Lines Matching +full:ether +full:- +full:link +full:- +full:active +full:- +full:low
1 // SPDX-License-Identifier: GPL-1.0+
97 /*---------------------------- Module parameters ----------------------------*/
137 MODULE_PARM_DESC(miimon, "Link check interval in milliseconds");
139 MODULE_PARM_DESC(updelay, "Delay before considering link up, in milliseconds");
141 MODULE_PARM_DESC(downdelay, "Delay before considering link down, "
147 MODULE_PARM_DESC(mode, "Mode of operation; 0 for balance-rr, "
148 "1 for active-backup, 2 for balance-xor, "
149 "3 for broadcast, 4 for 802.3ad, 5 for balance-tlb, "
150 "6 for balance-alb");
159 "2 for only on active slave "
172 MODULE_PARM_DESC(xmit_hash_policy, "balance-alb, balance-tlb, balance-xor, 802.3ad hashing method; "
182 "0 for none (default), 1 for active, "
187 MODULE_PARM_DESC(fail_over_mac, "For active-backup, do not set all slaves to "
189 "1 for active, 2 for follow");
192 "by setting active flag for all slaves; "
196 "link failure");
198 MODULE_PARM_DESC(packets_per_slave, "Packets to send per slave in balance-rr "
206 /*----------------------------- Global variables ----------------------------*/
259 /*-------------------------- Forward declarations ---------------------------*/
270 /*---------------------------- General routines -----------------------------*/
275 [BOND_MODE_ROUNDROBIN] = "load balancing (round-robin)", in bond_mode_name()
276 [BOND_MODE_ACTIVEBACKUP] = "fault-tolerance (active-backup)", in bond_mode_name()
278 [BOND_MODE_BROADCAST] = "fault-tolerance (broadcast)", in bond_mode_name()
279 [BOND_MODE_8023AD] = "IEEE 802.3ad Dynamic link aggregation", in bond_mode_name()
291 * bond_dev_queue_xmit - Prepare skb for xmit.
300 skb->dev = slave_dev; in bond_dev_queue_xmit()
302 BUILD_BUG_ON(sizeof(skb->queue_mapping) != in bond_dev_queue_xmit()
303 sizeof(qdisc_skb_cb(skb)->slave_dev_queue_mapping)); in bond_dev_queue_xmit()
304 skb_set_queue_mapping(skb, qdisc_skb_cb(skb)->slave_dev_queue_mapping); in bond_dev_queue_xmit()
306 if (unlikely(netpoll_tx_running(bond->dev))) in bond_dev_queue_xmit()
317 if (bond->params.xmit_policy == BOND_XMIT_POLICY_LAYER34) in bond_sk_check()
336 if (bond->params.xmit_policy != BOND_XMIT_POLICY_VLAN_SRCMAC) in bond_xdp_check()
344 /*---------------------------------- VLAN -----------------------------------*/
363 * bond_vlan_rx_add_vid - Propagates adding an id to slaves
377 res = vlan_vid_add(slave->dev, proto, vid); in bond_vlan_rx_add_vid()
390 vlan_vid_del(rollback_slave->dev, proto, vid); in bond_vlan_rx_add_vid()
397 * bond_vlan_rx_kill_vid - Propagates deleting an id to slaves
410 vlan_vid_del(slave->dev, proto, vid); in bond_vlan_rx_kill_vid()
418 /*---------------------------------- XFRM -----------------------------------*/
422 * bond_ipsec_add_sa - program device with a security association
429 struct net_device *bond_dev = xs->xso.dev; in bond_ipsec_add_sa()
436 return -EINVAL; in bond_ipsec_add_sa()
440 slave = rcu_dereference(bond->curr_active_slave); in bond_ipsec_add_sa()
443 return -ENODEV; in bond_ipsec_add_sa()
446 if (!slave->dev->xfrmdev_ops || in bond_ipsec_add_sa()
447 !slave->dev->xfrmdev_ops->xdo_dev_state_add || in bond_ipsec_add_sa()
448 netif_is_bond_master(slave->dev)) { in bond_ipsec_add_sa()
451 return -EINVAL; in bond_ipsec_add_sa()
457 return -ENOMEM; in bond_ipsec_add_sa()
459 xs->xso.real_dev = slave->dev; in bond_ipsec_add_sa()
461 err = slave->dev->xfrmdev_ops->xdo_dev_state_add(xs, extack); in bond_ipsec_add_sa()
463 ipsec->xs = xs; in bond_ipsec_add_sa()
464 INIT_LIST_HEAD(&ipsec->list); in bond_ipsec_add_sa()
465 spin_lock_bh(&bond->ipsec_lock); in bond_ipsec_add_sa()
466 list_add(&ipsec->list, &bond->ipsec_list); in bond_ipsec_add_sa()
467 spin_unlock_bh(&bond->ipsec_lock); in bond_ipsec_add_sa()
477 struct net_device *bond_dev = bond->dev; in bond_ipsec_add_sa_all()
482 slave = rcu_dereference(bond->curr_active_slave); in bond_ipsec_add_sa_all()
486 if (!slave->dev->xfrmdev_ops || in bond_ipsec_add_sa_all()
487 !slave->dev->xfrmdev_ops->xdo_dev_state_add || in bond_ipsec_add_sa_all()
488 netif_is_bond_master(slave->dev)) { in bond_ipsec_add_sa_all()
489 spin_lock_bh(&bond->ipsec_lock); in bond_ipsec_add_sa_all()
490 if (!list_empty(&bond->ipsec_list)) in bond_ipsec_add_sa_all()
491 slave_warn(bond_dev, slave->dev, in bond_ipsec_add_sa_all()
494 spin_unlock_bh(&bond->ipsec_lock); in bond_ipsec_add_sa_all()
498 spin_lock_bh(&bond->ipsec_lock); in bond_ipsec_add_sa_all()
499 list_for_each_entry(ipsec, &bond->ipsec_list, list) { in bond_ipsec_add_sa_all()
500 ipsec->xs->xso.real_dev = slave->dev; in bond_ipsec_add_sa_all()
501 if (slave->dev->xfrmdev_ops->xdo_dev_state_add(ipsec->xs, NULL)) { in bond_ipsec_add_sa_all()
502 slave_warn(bond_dev, slave->dev, "%s: failed to add SA\n", __func__); in bond_ipsec_add_sa_all()
503 ipsec->xs->xso.real_dev = NULL; in bond_ipsec_add_sa_all()
506 spin_unlock_bh(&bond->ipsec_lock); in bond_ipsec_add_sa_all()
512 * bond_ipsec_del_sa - clear out this specific SA
517 struct net_device *bond_dev = xs->xso.dev; in bond_ipsec_del_sa()
527 slave = rcu_dereference(bond->curr_active_slave); in bond_ipsec_del_sa()
532 if (!xs->xso.real_dev) in bond_ipsec_del_sa()
535 WARN_ON(xs->xso.real_dev != slave->dev); in bond_ipsec_del_sa()
537 if (!slave->dev->xfrmdev_ops || in bond_ipsec_del_sa()
538 !slave->dev->xfrmdev_ops->xdo_dev_state_delete || in bond_ipsec_del_sa()
539 netif_is_bond_master(slave->dev)) { in bond_ipsec_del_sa()
540 slave_warn(bond_dev, slave->dev, "%s: no slave xdo_dev_state_delete\n", __func__); in bond_ipsec_del_sa()
544 slave->dev->xfrmdev_ops->xdo_dev_state_delete(xs); in bond_ipsec_del_sa()
546 spin_lock_bh(&bond->ipsec_lock); in bond_ipsec_del_sa()
547 list_for_each_entry(ipsec, &bond->ipsec_list, list) { in bond_ipsec_del_sa()
548 if (ipsec->xs == xs) { in bond_ipsec_del_sa()
549 list_del(&ipsec->list); in bond_ipsec_del_sa()
554 spin_unlock_bh(&bond->ipsec_lock); in bond_ipsec_del_sa()
560 struct net_device *bond_dev = bond->dev; in bond_ipsec_del_sa_all()
565 slave = rcu_dereference(bond->curr_active_slave); in bond_ipsec_del_sa_all()
571 spin_lock_bh(&bond->ipsec_lock); in bond_ipsec_del_sa_all()
572 list_for_each_entry(ipsec, &bond->ipsec_list, list) { in bond_ipsec_del_sa_all()
573 if (!ipsec->xs->xso.real_dev) in bond_ipsec_del_sa_all()
576 if (!slave->dev->xfrmdev_ops || in bond_ipsec_del_sa_all()
577 !slave->dev->xfrmdev_ops->xdo_dev_state_delete || in bond_ipsec_del_sa_all()
578 netif_is_bond_master(slave->dev)) { in bond_ipsec_del_sa_all()
579 slave_warn(bond_dev, slave->dev, in bond_ipsec_del_sa_all()
583 slave->dev->xfrmdev_ops->xdo_dev_state_delete(ipsec->xs); in bond_ipsec_del_sa_all()
585 ipsec->xs->xso.real_dev = NULL; in bond_ipsec_del_sa_all()
587 spin_unlock_bh(&bond->ipsec_lock); in bond_ipsec_del_sa_all()
592 * bond_ipsec_offload_ok - can this packet use the xfrm hw offload
598 struct net_device *bond_dev = xs->xso.dev; in bond_ipsec_offload_ok()
606 curr_active = rcu_dereference(bond->curr_active_slave); in bond_ipsec_offload_ok()
607 real_dev = curr_active->dev; in bond_ipsec_offload_ok()
614 if (!xs->xso.real_dev) { in bond_ipsec_offload_ok()
619 if (!real_dev->xfrmdev_ops || in bond_ipsec_offload_ok()
620 !real_dev->xfrmdev_ops->xdo_dev_offload_ok || in bond_ipsec_offload_ok()
626 err = real_dev->xfrmdev_ops->xdo_dev_offload_ok(skb, xs); in bond_ipsec_offload_ok()
639 /*------------------------------- Link status -------------------------------*/
659 if (slave->link == BOND_LINK_UP) { in bond_set_carrier()
660 if (!netif_carrier_ok(bond->dev)) { in bond_set_carrier()
661 netif_carrier_on(bond->dev); in bond_set_carrier()
669 if (netif_carrier_ok(bond->dev)) { in bond_set_carrier()
670 netif_carrier_off(bond->dev); in bond_set_carrier()
676 /* Get link speed and duplex from the slave's base driver
678 * values are invalid, set speed and duplex to -1,
684 struct net_device *slave_dev = slave->dev; in bond_update_speed_duplex()
688 slave->speed = SPEED_UNKNOWN; in bond_update_speed_duplex()
689 slave->duplex = DUPLEX_UNKNOWN; in bond_update_speed_duplex()
694 if (ecmd.base.speed == 0 || ecmd.base.speed == ((__u32)-1)) in bond_update_speed_duplex()
704 slave->speed = ecmd.base.speed; in bond_update_speed_duplex()
705 slave->duplex = ecmd.base.duplex; in bond_update_speed_duplex()
710 const char *bond_slave_link_status(s8 link) in bond_slave_link_status() argument
712 switch (link) { in bond_slave_link_status()
726 /* if <dev> supports MII link status reporting, check its link status.
731 * Return either BMSR_LSTATUS, meaning that the link is up (or we
732 * can't tell and just pretend it is), or 0, meaning that the link is
735 * If reporting is non-zero, instead of faking link up, return -1 if
744 const struct net_device_ops *slave_ops = slave_dev->netdev_ops; in bond_check_dev_link()
752 if (bond->params.use_carrier) in bond_check_dev_link()
755 /* Try to get link status using Ethtool first. */ in bond_check_dev_link()
756 if (slave_dev->ethtool_ops->get_link) in bond_check_dev_link()
757 return slave_dev->ethtool_ops->get_link(slave_dev) ? in bond_check_dev_link()
761 ioctl = slave_ops->ndo_eth_ioctl; in bond_check_dev_link()
776 strscpy_pad(ifr.ifr_name, slave_dev->name, IFNAMSIZ); in bond_check_dev_link()
779 mii->reg_num = MII_BMSR; in bond_check_dev_link()
781 return mii->val_out & BMSR_LSTATUS; in bond_check_dev_link()
787 * cannot report link status). If not reporting, pretend in bond_check_dev_link()
790 return reporting ? -1 : BMSR_LSTATUS; in bond_check_dev_link()
793 /*----------------------------- Multicast list ------------------------------*/
802 struct slave *curr_active = rtnl_dereference(bond->curr_active_slave); in bond_set_promiscuity()
805 err = dev_set_promiscuity(curr_active->dev, inc); in bond_set_promiscuity()
810 err = dev_set_promiscuity(slave->dev, inc); in bond_set_promiscuity()
825 struct slave *curr_active = rtnl_dereference(bond->curr_active_slave); in bond_set_allmulti()
828 err = dev_set_allmulti(curr_active->dev, inc); in bond_set_allmulti()
833 err = dev_set_allmulti(slave->dev, inc); in bond_set_allmulti()
842 * device and retransmit an IGMP JOIN request to the current active
851 queue_delayed_work(bond->wq, &bond->mcast_work, 1); in bond_resend_igmp_join_requests_delayed()
854 call_netdevice_notifiers(NETDEV_RESEND_IGMP, bond->dev); in bond_resend_igmp_join_requests_delayed()
856 if (bond->igmp_retrans > 1) { in bond_resend_igmp_join_requests_delayed()
857 bond->igmp_retrans--; in bond_resend_igmp_join_requests_delayed()
858 queue_delayed_work(bond->wq, &bond->mcast_work, HZ/5); in bond_resend_igmp_join_requests_delayed()
876 /*--------------------------- Active slave change ---------------------------*/
879 * old active slaves (if any). Modes that are not using primary keep all
887 if (bond->dev->flags & IFF_PROMISC) in bond_hw_addr_swap()
888 dev_set_promiscuity(old_active->dev, -1); in bond_hw_addr_swap()
890 if (bond->dev->flags & IFF_ALLMULTI) in bond_hw_addr_swap()
891 dev_set_allmulti(old_active->dev, -1); in bond_hw_addr_swap()
893 if (bond->dev->flags & IFF_UP) in bond_hw_addr_swap()
894 bond_hw_addr_flush(bond->dev, old_active->dev); in bond_hw_addr_swap()
899 if (bond->dev->flags & IFF_PROMISC) in bond_hw_addr_swap()
900 dev_set_promiscuity(new_active->dev, 1); in bond_hw_addr_swap()
902 if (bond->dev->flags & IFF_ALLMULTI) in bond_hw_addr_swap()
903 dev_set_allmulti(new_active->dev, 1); in bond_hw_addr_swap()
905 if (bond->dev->flags & IFF_UP) { in bond_hw_addr_swap()
906 netif_addr_lock_bh(bond->dev); in bond_hw_addr_swap()
907 dev_uc_sync(new_active->dev, bond->dev); in bond_hw_addr_swap()
908 dev_mc_sync(new_active->dev, bond->dev); in bond_hw_addr_swap()
909 netif_addr_unlock_bh(bond->dev); in bond_hw_addr_swap()
915 * bond_set_dev_addr - clone slave's address to bond
926 slave_dbg(bond_dev, slave_dev, "bond_dev=%p slave_dev=%p slave_dev->addr_len=%d\n", in bond_set_dev_addr()
927 bond_dev, slave_dev, slave_dev->addr_len); in bond_set_dev_addr()
928 err = dev_pre_changeaddr_notify(bond_dev, slave_dev->dev_addr, NULL); in bond_set_dev_addr()
932 __dev_addr_set(bond_dev, slave_dev->dev_addr, slave_dev->addr_len); in bond_set_dev_addr()
933 bond_dev->addr_assign_type = NET_ADDR_STOLEN; in bond_set_dev_addr()
948 if (ether_addr_equal(bond->dev->dev_addr, slave->dev->dev_addr)) in bond_get_old_active()
969 switch (bond->params.fail_over_mac) { in bond_do_fail_over_mac()
972 rv = bond_set_dev_addr(bond->dev, new_active->dev); in bond_do_fail_over_mac()
974 slave_err(bond->dev, new_active->dev, "Error %d setting bond MAC from slave\n", in bond_do_fail_over_mac()
975 -rv); in bond_do_fail_over_mac()
980 * if just old_active, do nothing (going to no active slave) in bond_do_fail_over_mac()
990 bond_hw_addr_copy(tmp_mac, new_active->dev->dev_addr, in bond_do_fail_over_mac()
991 new_active->dev->addr_len); in bond_do_fail_over_mac()
993 old_active->dev->dev_addr, in bond_do_fail_over_mac()
994 old_active->dev->addr_len); in bond_do_fail_over_mac()
995 ss.ss_family = new_active->dev->type; in bond_do_fail_over_mac()
997 bond_hw_addr_copy(ss.__data, bond->dev->dev_addr, in bond_do_fail_over_mac()
998 bond->dev->addr_len); in bond_do_fail_over_mac()
999 ss.ss_family = bond->dev->type; in bond_do_fail_over_mac()
1002 rv = dev_set_mac_address(new_active->dev, in bond_do_fail_over_mac()
1005 slave_err(bond->dev, new_active->dev, "Error %d setting MAC of new active slave\n", in bond_do_fail_over_mac()
1006 -rv); in bond_do_fail_over_mac()
1014 new_active->dev->addr_len); in bond_do_fail_over_mac()
1015 ss.ss_family = old_active->dev->type; in bond_do_fail_over_mac()
1017 rv = dev_set_mac_address(old_active->dev, in bond_do_fail_over_mac()
1020 slave_err(bond->dev, old_active->dev, "Error %d setting MAC of old active slave\n", in bond_do_fail_over_mac()
1021 -rv); in bond_do_fail_over_mac()
1025 netdev_err(bond->dev, "bond_do_fail_over_mac impossible: bad policy %d\n", in bond_do_fail_over_mac()
1026 bond->params.fail_over_mac); in bond_do_fail_over_mac()
1033 * bond_choose_primary_or_current - select the primary or high priority slave
1036 * - Check if there is a primary link. If the primary link was set and is up,
1037 * go on and do link reselection.
1039 * - If primary link is not set or down, find the highest priority link.
1040 * If the highest priority link is not current slave, set it as primary
1041 * link and do link reselection.
1045 struct slave *prim = rtnl_dereference(bond->primary_slave); in bond_choose_primary_or_current()
1046 struct slave *curr = rtnl_dereference(bond->curr_active_slave); in bond_choose_primary_or_current()
1050 if (!prim || prim->link != BOND_LINK_UP) { in bond_choose_primary_or_current()
1052 if (slave->link == BOND_LINK_UP) { in bond_choose_primary_or_current()
1054 if (slave->prio > hprio->prio) in bond_choose_primary_or_current()
1064 if (!curr || curr->link != BOND_LINK_UP) in bond_choose_primary_or_current()
1069 if (bond->force_primary) { in bond_choose_primary_or_current()
1070 bond->force_primary = false; in bond_choose_primary_or_current()
1075 if (!curr || curr->link != BOND_LINK_UP) in bond_choose_primary_or_current()
1079 switch (bond->params.primary_reselect) { in bond_choose_primary_or_current()
1083 if (prim->speed < curr->speed) in bond_choose_primary_or_current()
1085 if (prim->speed == curr->speed && prim->duplex <= curr->duplex) in bond_choose_primary_or_current()
1091 netdev_err(bond->dev, "impossible primary_reselect %d\n", in bond_choose_primary_or_current()
1092 bond->params.primary_reselect); in bond_choose_primary_or_current()
1098 * bond_find_best_slave - select the best available slave to be the active one
1105 int mintime = bond->params.updelay; in bond_find_best_slave()
1112 if (slave->link == BOND_LINK_UP) in bond_find_best_slave()
1114 if (slave->link == BOND_LINK_BACK && bond_slave_is_up(slave) && in bond_find_best_slave()
1115 slave->delay < mintime) { in bond_find_best_slave()
1116 mintime = slave->delay; in bond_find_best_slave()
1129 slave = rcu_dereference(bond->curr_active_slave); in bond_should_notify_peers()
1132 if (!slave || !bond->send_peer_notif || in bond_should_notify_peers()
1133 bond->send_peer_notif % in bond_should_notify_peers()
1134 max(1, bond->params.peer_notif_delay) != 0 || in bond_should_notify_peers()
1135 !netif_carrier_ok(bond->dev) || in bond_should_notify_peers()
1136 test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state)) in bond_should_notify_peers()
1139 netdev_dbg(bond->dev, "bond_should_notify_peers: slave %s\n", in bond_should_notify_peers()
1140 slave ? slave->dev->name : "NULL"); in bond_should_notify_peers()
1146 * bond_change_active_slave - change the active slave into the specified one
1148 * @new_active: the new slave to make the active one
1152 * Setting include flags, mc-list, promiscuity, allmulti, etc.
1154 * If @new's link state is %BOND_LINK_BACK we'll set it to %BOND_LINK_UP,
1166 old_active = rtnl_dereference(bond->curr_active_slave); in bond_change_active_slave()
1176 new_active->last_link_up = jiffies; in bond_change_active_slave()
1178 if (new_active->link == BOND_LINK_BACK) { in bond_change_active_slave()
1180 slave_info(bond->dev, new_active->dev, "making interface the new active one %d ms earlier\n", in bond_change_active_slave()
1181 (bond->params.updelay - new_active->delay) * bond->params.miimon); in bond_change_active_slave()
1184 new_active->delay = 0; in bond_change_active_slave()
1195 slave_info(bond->dev, new_active->dev, "making interface the new active one\n"); in bond_change_active_slave()
1211 rcu_assign_pointer(bond->curr_active_slave, new_active); in bond_change_active_slave()
1225 if (bond->params.fail_over_mac) in bond_change_active_slave()
1229 if (netif_running(bond->dev)) { in bond_change_active_slave()
1230 bond->send_peer_notif = in bond_change_active_slave()
1231 bond->params.num_peer_notif * in bond_change_active_slave()
1232 max(1, bond->params.peer_notif_delay); in bond_change_active_slave()
1237 call_netdevice_notifiers(NETDEV_BONDING_FAILOVER, bond->dev); in bond_change_active_slave()
1239 bond->send_peer_notif--; in bond_change_active_slave()
1241 bond->dev); in bond_change_active_slave()
1250 /* resend IGMP joins since active slave has changed or in bond_change_active_slave()
1255 if (netif_running(bond->dev) && (bond->params.resend_igmp > 0) && in bond_change_active_slave()
1258 bond->igmp_retrans = bond->params.resend_igmp; in bond_change_active_slave()
1259 queue_delayed_work(bond->wq, &bond->mcast_work, 1); in bond_change_active_slave()
1264 * bond_select_active_slave - select a new active slave, if needed
1268 * - The old curr_active_slave has been released or lost its link.
1269 * - The primary_slave has got its link back.
1270 * - A slave has got its link back and there's no old curr_active_slave.
1282 if (best_slave != rtnl_dereference(bond->curr_active_slave)) { in bond_select_active_slave()
1288 if (netif_carrier_ok(bond->dev)) in bond_select_active_slave()
1289 netdev_info(bond->dev, "active interface up!\n"); in bond_select_active_slave()
1291 netdev_info(bond->dev, "now running without any active interface!\n"); in bond_select_active_slave()
1302 err = -ENOMEM; in slave_enable_netpoll()
1306 err = __netpoll_setup(np, slave->dev); in slave_enable_netpoll()
1311 slave->np = np; in slave_enable_netpoll()
1317 struct netpoll *np = slave->np; in slave_disable_netpoll()
1322 slave->np = NULL; in slave_disable_netpoll()
1344 SLAVE_AD_INFO(slave)->port.aggregator; in bond_poll_controller()
1347 agg->aggregator_identifier != ad_info.aggregator_id) in bond_poll_controller()
1351 netpoll_poll_dev(slave->dev); in bond_poll_controller()
1395 /*---------------------------------- IOCTL ----------------------------------*/
1412 slave->dev->features, in bond_fix_features()
1441 struct net_device *bond_dev = bond->dev; in bond_compute_features()
1455 slave->dev->vlan_features, BOND_VLAN_FEATURES); in bond_compute_features()
1458 slave->dev->hw_enc_features, in bond_compute_features()
1463 slave->dev->hw_enc_features, in bond_compute_features()
1468 slave->dev->mpls_features, in bond_compute_features()
1471 dst_release_flag &= slave->dev->priv_flags; in bond_compute_features()
1472 if (slave->dev->hard_header_len > max_hard_header_len) in bond_compute_features()
1473 max_hard_header_len = slave->dev->hard_header_len; in bond_compute_features()
1475 tso_max_size = min(tso_max_size, slave->dev->tso_max_size); in bond_compute_features()
1476 tso_max_segs = min(tso_max_segs, slave->dev->tso_max_segs); in bond_compute_features()
1478 bond_dev->hard_header_len = max_hard_header_len; in bond_compute_features()
1481 bond_dev->vlan_features = vlan_features; in bond_compute_features()
1482 bond_dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL | in bond_compute_features()
1486 bond_dev->hw_enc_features |= xfrm_features; in bond_compute_features()
1488 bond_dev->mpls_features = mpls_features; in bond_compute_features()
1492 bond_dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; in bond_compute_features()
1493 if ((bond_dev->priv_flags & IFF_XMIT_DST_RELEASE_PERM) && in bond_compute_features()
1495 bond_dev->priv_flags |= IFF_XMIT_DST_RELEASE; in bond_compute_features()
1503 bool was_up = !!(bond_dev->flags & IFF_UP); in bond_setup_by_slave()
1507 bond_dev->header_ops = slave_dev->header_ops; in bond_setup_by_slave()
1509 bond_dev->type = slave_dev->type; in bond_setup_by_slave()
1510 bond_dev->hard_header_len = slave_dev->hard_header_len; in bond_setup_by_slave()
1511 bond_dev->needed_headroom = slave_dev->needed_headroom; in bond_setup_by_slave()
1512 bond_dev->addr_len = slave_dev->addr_len; in bond_setup_by_slave()
1514 memcpy(bond_dev->broadcast, slave_dev->broadcast, in bond_setup_by_slave()
1515 slave_dev->addr_len); in bond_setup_by_slave()
1517 if (slave_dev->flags & IFF_POINTOPOINT) { in bond_setup_by_slave()
1518 bond_dev->flags &= ~(IFF_BROADCAST | IFF_MULTICAST); in bond_setup_by_slave()
1519 bond_dev->flags |= (IFF_POINTOPOINT | IFF_NOARP); in bond_setup_by_slave()
1525 /* On bonding slaves other than the currently active slave, suppress
1526 * duplicates except for alb non-mcast/bcast.
1534 skb->pkt_type != PACKET_BROADCAST && in bond_should_deliver_exact_match()
1535 skb->pkt_type != PACKET_MULTICAST) in bond_should_deliver_exact_match()
1557 slave = bond_slave_get_rcu(skb->dev); in bond_handle_frame()
1558 bond = slave->bond; in bond_handle_frame()
1560 recv_probe = READ_ONCE(bond->recv_probe); in bond_handle_frame()
1571 * be suppressed we want to make an exception for link-local packets. in bond_handle_frame()
1577 * (including link-local ones) can have their originating interface in bond_handle_frame()
1581 if (is_link_local_ether_addr(eth_hdr(skb)->h_dest)) in bond_handle_frame()
1586 skb->dev = bond->dev; in bond_handle_frame()
1589 netif_is_bridge_port(bond->dev) && in bond_handle_frame()
1590 skb->pkt_type == PACKET_HOST) { in bond_handle_frame()
1593 skb->data - skb_mac_header(skb)))) { in bond_handle_frame()
1597 bond_hw_addr_copy(eth_hdr(skb)->h_dest, bond->dev->dev_addr, in bond_handle_frame()
1598 bond->dev->addr_len); in bond_handle_frame()
1627 switch (bond->params.xmit_policy) { in bond_lag_hash_type()
1656 err = netdev_master_upper_dev_link(slave->dev, bond->dev, slave, in bond_master_upper_dev_link()
1661 slave->dev->flags |= IFF_SLAVE; in bond_master_upper_dev_link()
1667 netdev_upper_dev_unlink(slave->dev, bond->dev); in bond_upper_dev_unlink()
1668 slave->dev->flags &= ~IFF_SLAVE; in bond_upper_dev_unlink()
1676 cancel_delayed_work_sync(&slave->notify_work); in slave_kobj_release()
1694 err = kobject_init_and_add(&slave->kobj, &slave_ktype, in bond_kobj_init()
1695 &(slave->dev->dev.kobj), "bonding_slave"); in bond_kobj_init()
1697 kobject_put(&slave->kobj); in bond_kobj_init()
1711 slave->bond = bond; in bond_alloc_slave()
1712 slave->dev = slave_dev; in bond_alloc_slave()
1713 INIT_DELAYED_WORK(&slave->notify_work, bond_netdev_notify_work); in bond_alloc_slave()
1722 kobject_put(&slave->kobj); in bond_alloc_slave()
1732 info->bond_mode = BOND_MODE(bond); in bond_fill_ifbond()
1733 info->miimon = bond->params.miimon; in bond_fill_ifbond()
1734 info->num_slaves = bond->slave_cnt; in bond_fill_ifbond()
1739 strcpy(info->slave_name, slave->dev->name); in bond_fill_ifslave()
1740 info->link = slave->link; in bond_fill_ifslave()
1741 info->state = bond_slave_state(slave); in bond_fill_ifslave()
1742 info->link_failure_count = slave->link_failure_count; in bond_fill_ifslave()
1754 bond_fill_ifbond(slave->bond, &binfo.master); in bond_netdev_notify_work()
1755 netdev_bonding_info_change(slave->dev, &binfo); in bond_netdev_notify_work()
1758 queue_delayed_work(slave->bond->wq, &slave->notify_work, 1); in bond_netdev_notify_work()
1764 queue_delayed_work(slave->bond->wq, &slave->notify_work, 0); in bond_queue_slave_event()
1771 info.link_up = slave->link == BOND_LINK_UP || in bond_lower_state_changed()
1772 slave->link == BOND_LINK_FAIL; in bond_lower_state_changed()
1774 netdev_lower_state_changed(slave->dev, &info); in bond_lower_state_changed()
1798 unsigned int flags = bond_dev->flags & (IFF_SLAVE | IFF_UP); in bond_ether_setup()
1801 bond_dev->flags |= IFF_MASTER | flags; in bond_ether_setup()
1802 bond_dev->priv_flags &= ~IFF_TX_SKB_SHARING; in bond_ether_setup()
1820 val &= slave->dev->xdp_features; in bond_xdp_set_features()
1832 const struct net_device_ops *slave_ops = slave_dev->netdev_ops; in bond_enslave()
1838 if (slave_dev->flags & IFF_MASTER && in bond_enslave()
1842 return -EPERM; in bond_enslave()
1845 if (!bond->params.use_carrier && in bond_enslave()
1846 slave_dev->ethtool_ops->get_link == NULL && in bond_enslave()
1847 slave_ops->ndo_eth_ioctl == NULL) { in bond_enslave()
1848 slave_warn(bond_dev, slave_dev, "no link monitoring support\n"); in bond_enslave()
1851 /* already in-use? */ in bond_enslave()
1855 return -EBUSY; in bond_enslave()
1860 return -EPERM; in bond_enslave()
1865 if (slave_dev->features & NETIF_F_VLAN_CHALLENGED) { in bond_enslave()
1870 return -EPERM; in bond_enslave()
1878 if (slave_dev->features & NETIF_F_HW_ESP) in bond_enslave()
1879 slave_dbg(bond_dev, slave_dev, "is esp-hw-offload capable\n"); in bond_enslave()
1886 if (slave_dev->flags & IFF_UP) { in bond_enslave()
1889 return -EPERM; in bond_enslave()
1892 /* set bonding device ether type by slave - bonding netdevices are in bond_enslave()
1896 * bond ether type mutual exclusion - don't allow slaves of dissimilar in bond_enslave()
1897 * ether type (eg ARPHRD_ETHER and ARPHRD_INFINIBAND) share the same bond in bond_enslave()
1900 if (bond_dev->type != slave_dev->type) { in bond_enslave()
1902 bond_dev->type, slave_dev->type); in bond_enslave()
1909 return -EBUSY; in bond_enslave()
1916 if (slave_dev->type != ARPHRD_ETHER) in bond_enslave()
1924 } else if (bond_dev->type != slave_dev->type) { in bond_enslave()
1927 return -EINVAL; in bond_enslave()
1930 if (slave_dev->type == ARPHRD_INFINIBAND && in bond_enslave()
1933 "Only active-backup mode is supported for infiniband slaves"); in bond_enslave()
1934 res = -EOPNOTSUPP; in bond_enslave()
1938 if (!slave_ops->ndo_set_mac_address || in bond_enslave()
1939 slave_dev->type == ARPHRD_INFINIBAND) { in bond_enslave()
1942 bond->params.fail_over_mac != BOND_FOM_ACTIVE) { in bond_enslave()
1944 bond->params.fail_over_mac = BOND_FOM_ACTIVE; in bond_enslave()
1945 slave_warn(bond_dev, slave_dev, "Setting fail_over_mac to active for active-backup mode\n"); in bond_enslave()
1948 … "Slave device does not support setting the MAC address, but fail_over_mac is not set to active"); in bond_enslave()
1949 res = -EOPNOTSUPP; in bond_enslave()
1961 bond->dev->addr_assign_type == NET_ADDR_RANDOM) { in bond_enslave()
1962 res = bond_set_dev_addr(bond->dev, slave_dev); in bond_enslave()
1969 res = -ENOMEM; in bond_enslave()
1976 new_slave->queue_id = 0; in bond_enslave()
1979 new_slave->original_mtu = slave_dev->mtu; in bond_enslave()
1980 res = dev_set_mtu(slave_dev, bond->dev->mtu); in bond_enslave()
1990 bond_hw_addr_copy(new_slave->perm_hwaddr, slave_dev->dev_addr, in bond_enslave()
1991 slave_dev->addr_len); in bond_enslave()
1993 if (!bond->params.fail_over_mac || in bond_enslave()
1998 memcpy(ss.__data, bond_dev->dev_addr, bond_dev->addr_len); in bond_enslave()
1999 ss.ss_family = slave_dev->type; in bond_enslave()
2009 slave_dev->priv_flags |= IFF_NO_ADDRCONF; in bond_enslave()
2018 slave_dev->priv_flags |= IFF_BONDING; in bond_enslave()
2020 dev_get_stats(new_slave->dev, &new_slave->slave_stats); in bond_enslave()
2039 new_slave->delay = 0; in bond_enslave()
2040 new_slave->link_failure_count = 0; in bond_enslave()
2044 new_slave->link = BOND_LINK_DOWN; in bond_enslave()
2046 new_slave->last_rx = jiffies - in bond_enslave()
2047 (msecs_to_jiffies(bond->params.arp_interval) + 1); in bond_enslave()
2049 new_slave->target_last_arp_rx[i] = new_slave->last_rx; in bond_enslave()
2051 new_slave->last_tx = new_slave->last_rx; in bond_enslave()
2053 if (bond->params.miimon && !bond->params.use_carrier) { in bond_enslave()
2056 if ((link_reporting == -1) && !bond->params.arp_interval) { in bond_enslave()
2065 …p_ip_target module parameters not specified, thus bonding will not detect link failures! see bondi… in bond_enslave()
2066 } else if (link_reporting == -1) { in bond_enslave()
2067 /* unable get link status using mii/ethtool */ in bond_enslave()
2068 …lave_dev, "can't get link status from slave; the network driver associated with this interface doe… in bond_enslave()
2073 new_slave->link = BOND_LINK_NOCHANGE; in bond_enslave()
2074 if (bond->params.miimon) { in bond_enslave()
2076 if (bond->params.updelay) { in bond_enslave()
2080 new_slave->delay = bond->params.updelay; in bond_enslave()
2090 } else if (bond->params.arp_interval) { in bond_enslave()
2100 if (new_slave->link != BOND_LINK_DOWN) in bond_enslave()
2101 new_slave->last_link_up = jiffies; in bond_enslave()
2103 new_slave->link == BOND_LINK_DOWN ? "DOWN" : in bond_enslave()
2104 (new_slave->link == BOND_LINK_UP ? "UP" : "BACK")); in bond_enslave()
2106 if (bond_uses_primary(bond) && bond->params.primary[0]) { in bond_enslave()
2108 if (strcmp(bond->params.primary, new_slave->dev->name) == 0) { in bond_enslave()
2109 rcu_assign_pointer(bond->primary_slave, new_slave); in bond_enslave()
2110 bond->force_primary = true; in bond_enslave()
2127 SLAVE_AD_INFO(new_slave)->id = 1; in bond_enslave()
2133 SLAVE_AD_INFO(new_slave)->id = in bond_enslave()
2134 SLAVE_AD_INFO(prev_slave)->id + 1; in bond_enslave()
2145 slave_dbg(bond_dev, slave_dev, "This slave is always active in trunk mode\n"); in bond_enslave()
2147 /* always active in trunk mode */ in bond_enslave()
2154 if (!rcu_access_pointer(bond->curr_active_slave) && in bond_enslave()
2155 new_slave->link == BOND_LINK_UP) in bond_enslave()
2156 rcu_assign_pointer(bond->curr_active_slave, new_slave); in bond_enslave()
2162 if (bond->dev->npinfo) { in bond_enslave()
2165 res = -EBUSY; in bond_enslave()
2171 if (!(bond_dev->features & NETIF_F_LRO)) in bond_enslave()
2200 if (bond_dev->flags & IFF_PROMISC) { in bond_enslave()
2207 if (bond_dev->flags & IFF_ALLMULTI) { in bond_enslave()
2210 if (bond_dev->flags & IFF_PROMISC) in bond_enslave()
2211 dev_set_promiscuity(slave_dev, -1); in bond_enslave()
2216 if (bond_dev->flags & IFF_UP) { in bond_enslave()
2227 bond->slave_cnt++; in bond_enslave()
2241 if (!slave_dev->netdev_ops->ndo_bpf || in bond_enslave()
2242 !slave_dev->netdev_ops->ndo_xdp_xmit) { in bond_enslave()
2243 if (bond->xdp_prog) { in bond_enslave()
2246 res = -EOPNOTSUPP; in bond_enslave()
2249 } else if (bond->xdp_prog) { in bond_enslave()
2253 .prog = bond->xdp_prog, in bond_enslave()
2260 res = -EOPNOTSUPP; in bond_enslave()
2264 res = slave_dev->netdev_ops->ndo_bpf(slave_dev, &xdp); in bond_enslave()
2270 if (bond->xdp_prog) in bond_enslave()
2271 bpf_prog_inc(bond->xdp_prog); in bond_enslave()
2276 slave_info(bond_dev, slave_dev, "Enslaving as %s interface with %s link\n", in bond_enslave()
2277 bond_is_active_slave(new_slave) ? "an active" : "a backup", in bond_enslave()
2278 new_slave->link != BOND_LINK_DOWN ? "an up" : "a down"); in bond_enslave()
2296 if (rcu_access_pointer(bond->primary_slave) == new_slave) in bond_enslave()
2297 RCU_INIT_POINTER(bond->primary_slave, NULL); in bond_enslave()
2298 if (rcu_access_pointer(bond->curr_active_slave) == new_slave) { in bond_enslave()
2310 slave_dev->priv_flags &= ~IFF_BONDING; in bond_enslave()
2314 slave_dev->priv_flags &= ~IFF_NO_ADDRCONF; in bond_enslave()
2315 if (!bond->params.fail_over_mac || in bond_enslave()
2317 /* XXX TODO - fom follow mode needs to change master's in bond_enslave()
2321 bond_hw_addr_copy(ss.__data, new_slave->perm_hwaddr, in bond_enslave()
2322 new_slave->dev->addr_len); in bond_enslave()
2323 ss.ss_family = slave_dev->type; in bond_enslave()
2328 dev_set_mtu(slave_dev, new_slave->original_mtu); in bond_enslave()
2331 kobject_put(&new_slave->kobj); in bond_enslave()
2336 if (ether_addr_equal_64bits(bond_dev->dev_addr, in bond_enslave()
2337 slave_dev->dev_addr)) in bond_enslave()
2339 if (bond_dev->type != ARPHRD_ETHER) { in bond_enslave()
2350 * is RTNL-locked. If "all" is true it means that the function is being called
2354 * for Active/Backup:
2355 * Active stays on all backups go down
2366 int old_flags = bond_dev->flags; in __bond_release_one()
2367 netdev_features_t old_features = bond_dev->features; in __bond_release_one()
2370 if (!(slave_dev->flags & IFF_SLAVE) || in __bond_release_one()
2373 return -EINVAL; in __bond_release_one()
2383 return -EINVAL; in __bond_release_one()
2391 bond_get_stats(bond->dev, &bond->bond_stats); in __bond_release_one()
2393 if (bond->xdp_prog) { in __bond_release_one()
2400 if (slave_dev->netdev_ops->ndo_bpf(slave_dev, &xdp)) in __bond_release_one()
2418 bond_is_active_slave(slave) ? "active" : "backup"); in __bond_release_one()
2420 oldcurrent = rcu_access_pointer(bond->curr_active_slave); in __bond_release_one()
2422 RCU_INIT_POINTER(bond->current_arp_slave, NULL); in __bond_release_one()
2424 if (!all && (!bond->params.fail_over_mac || in __bond_release_one()
2426 if (ether_addr_equal_64bits(bond_dev->dev_addr, slave->perm_hwaddr) && in __bond_release_one()
2428 …slave_warn(bond_dev, slave_dev, "the permanent HWaddr of slave - %pM - is still in use by bond - s… in __bond_release_one()
2429 slave->perm_hwaddr); in __bond_release_one()
2432 if (rtnl_dereference(bond->primary_slave) == slave) in __bond_release_one()
2433 RCU_INIT_POINTER(bond->primary_slave, NULL); in __bond_release_one()
2442 * but before a new active slave is selected. in __bond_release_one()
2448 RCU_INIT_POINTER(bond->curr_active_slave, NULL); in __bond_release_one()
2463 bond->slave_cnt--; in __bond_release_one()
2466 call_netdevice_notifiers(NETDEV_CHANGEADDR, bond->dev); in __bond_release_one()
2467 call_netdevice_notifiers(NETDEV_RELEASE, bond->dev); in __bond_release_one()
2471 if (!(bond_dev->features & NETIF_F_VLAN_CHALLENGED) && in __bond_release_one()
2473 …slave_info(bond_dev, slave_dev, "last VLAN challenged slave left bond - VLAN blocking is removed\n… in __bond_release_one()
2489 dev_set_promiscuity(slave_dev, -1); in __bond_release_one()
2493 dev_set_allmulti(slave_dev, -1); in __bond_release_one()
2504 slave_dev->priv_flags &= ~IFF_NO_ADDRCONF; in __bond_release_one()
2506 if (bond->params.fail_over_mac != BOND_FOM_ACTIVE || in __bond_release_one()
2509 bond_hw_addr_copy(ss.__data, slave->perm_hwaddr, in __bond_release_one()
2510 slave->dev->addr_len); in __bond_release_one()
2511 ss.ss_family = slave_dev->type; in __bond_release_one()
2516 __dev_set_mtu(slave_dev, slave->original_mtu); in __bond_release_one()
2518 dev_set_mtu(slave_dev, slave->original_mtu); in __bond_release_one()
2521 slave_dev->priv_flags &= ~IFF_BONDING; in __bond_release_one()
2524 kobject_put(&slave->kobj); in __bond_release_one()
2546 bond_dev->reg_state != NETREG_UNREGISTERING) { in bond_release_and_destroy()
2547 bond_dev->priv_flags |= IFF_DISABLE_NETPOLL; in bond_release_and_destroy()
2566 int i = 0, res = -ENODEV; in bond_slave_info_query()
2570 if (i++ == (int)info->slave_id) { in bond_slave_info_query()
2580 /*-------------------------------- Monitoring -------------------------------*/
2591 ignore_updelay = !rcu_dereference(bond->curr_active_slave); in bond_miimon_inspect()
2595 usable_slaves = rcu_dereference(bond->usable_slaves); in bond_miimon_inspect()
2597 if (usable_slaves && usable_slaves->count == 0) in bond_miimon_inspect()
2604 link_state = bond_check_dev_link(bond, slave->dev, 0); in bond_miimon_inspect()
2606 switch (slave->link) { in bond_miimon_inspect()
2613 slave->delay = bond->params.downdelay; in bond_miimon_inspect()
2614 if (slave->delay) { in bond_miimon_inspect()
2615 slave_info(bond->dev, slave->dev, "link status down for %sinterface, disabling it in %d ms\n", in bond_miimon_inspect()
2619 "active " : "backup ") : "", in bond_miimon_inspect()
2620 bond->params.downdelay * bond->params.miimon); in bond_miimon_inspect()
2627 slave->last_link_up = jiffies; in bond_miimon_inspect()
2628 slave_info(bond->dev, slave->dev, "link status up again after %d ms\n", in bond_miimon_inspect()
2629 (bond->params.downdelay - slave->delay) * in bond_miimon_inspect()
2630 bond->params.miimon); in bond_miimon_inspect()
2635 if (slave->delay <= 0) { in bond_miimon_inspect()
2641 slave->delay--; in bond_miimon_inspect()
2650 slave->delay = bond->params.updelay; in bond_miimon_inspect()
2652 if (slave->delay) { in bond_miimon_inspect()
2653 slave_info(bond->dev, slave->dev, "link status up, enabling it in %d ms\n", in bond_miimon_inspect()
2655 bond->params.updelay * in bond_miimon_inspect()
2656 bond->params.miimon); in bond_miimon_inspect()
2662 slave_info(bond->dev, slave->dev, "link status down again after %d ms\n", in bond_miimon_inspect()
2663 (bond->params.updelay - slave->delay) * in bond_miimon_inspect()
2664 bond->params.miimon); in bond_miimon_inspect()
2670 slave->delay = 0; in bond_miimon_inspect()
2672 if (slave->delay <= 0) { in bond_miimon_inspect()
2679 slave->delay--; in bond_miimon_inspect()
2689 char link) in bond_miimon_link_change() argument
2693 bond_3ad_handle_link_change(slave, link); in bond_miimon_link_change()
2697 bond_alb_handle_link_change(bond, slave, link); in bond_miimon_link_change()
2707 struct slave *slave, *primary, *active; in bond_miimon_commit() local
2714 switch (slave->link_new_state) { in bond_miimon_commit()
2719 * link monitoring could make a decision on the actual in bond_miimon_commit()
2720 * link status in bond_miimon_commit()
2723 slave->link == BOND_LINK_UP) in bond_miimon_commit()
2730 slave->link = BOND_LINK_DOWN; in bond_miimon_commit()
2732 slave_warn(bond->dev, slave->dev, in bond_miimon_commit()
2733 "failed to get link speed/duplex\n"); in bond_miimon_commit()
2738 slave->last_link_up = jiffies; in bond_miimon_commit()
2740 primary = rtnl_dereference(bond->primary_slave); in bond_miimon_commit()
2742 /* prevent it from being the active one */ in bond_miimon_commit()
2745 /* make it immediately active */ in bond_miimon_commit()
2749 slave_info(bond->dev, slave->dev, "link status definitely up, %u Mbps %s duplex\n", in bond_miimon_commit()
2750 slave->speed == SPEED_UNKNOWN ? 0 : slave->speed, in bond_miimon_commit()
2751 slave->duplex ? "full" : "half"); in bond_miimon_commit()
2755 active = rtnl_dereference(bond->curr_active_slave); in bond_miimon_commit()
2756 if (!active || slave == primary || slave->prio > active->prio) in bond_miimon_commit()
2762 if (slave->link_failure_count < UINT_MAX) in bond_miimon_commit()
2763 slave->link_failure_count++; in bond_miimon_commit()
2773 slave_info(bond->dev, slave->dev, "link status definitely down, disabling slave\n"); in bond_miimon_commit()
2777 if (slave == rcu_access_pointer(bond->curr_active_slave)) in bond_miimon_commit()
2783 slave_err(bond->dev, slave->dev, "invalid new link %d on slave\n", in bond_miimon_commit()
2784 slave->link_new_state); in bond_miimon_commit()
2805 * implement whatever link state changes are indicated.
2817 delay = msecs_to_jiffies(bond->params.miimon); in bond_mii_monitor()
2825 if (bond->send_peer_notif) { in bond_mii_monitor()
2828 bond->send_peer_notif--; in bond_mii_monitor()
2852 if (bond->params.miimon) in bond_mii_monitor()
2853 queue_delayed_work(bond->wq, &bond->mii_work, delay); in bond_mii_monitor()
2858 call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, bond->dev); in bond_mii_monitor()
2866 __be32 ip = *(__be32 *)priv->data; in bond_upper_dev_walk()
2878 if (ip == bond_confirm_addr(bond->dev, 0, ip)) in bond_has_this_ip()
2882 if (netdev_walk_all_upper_dev_rcu(bond->dev, bond_upper_dev_walk, &priv)) in bond_has_this_ip()
2894 struct net_device *bond_dev = slave->bond->dev; in bond_handle_vlan()
2895 struct net_device *slave_dev = slave->dev; in bond_handle_vlan()
2898 if (!tags || tags->vlan_proto == BOND_VLAN_PROTO_NONE) in bond_handle_vlan()
2904 while (tags->vlan_proto != BOND_VLAN_PROTO_NONE) { in bond_handle_vlan()
2905 if (!tags->vlan_id) { in bond_handle_vlan()
2911 ntohs(outer_tag->vlan_proto), tags->vlan_id); in bond_handle_vlan()
2912 skb = vlan_insert_tag_set_proto(skb, tags->vlan_proto, in bond_handle_vlan()
2913 tags->vlan_id); in bond_handle_vlan()
2922 if (outer_tag->vlan_id) { in bond_handle_vlan()
2924 ntohs(outer_tag->vlan_proto), outer_tag->vlan_id); in bond_handle_vlan()
2925 __vlan_hwaccel_put_tag(skb, outer_tag->vlan_proto, in bond_handle_vlan()
2926 outer_tag->vlan_id); in bond_handle_vlan()
2934 * "native" to a VLAN) might not pass non-tagged frames.
2939 struct net_device *bond_dev = slave->bond->dev; in bond_arp_send()
2940 struct net_device *slave_dev = slave->dev; in bond_arp_send()
2947 NULL, slave_dev->dev_addr, NULL); in bond_arp_send()
2979 return ERR_PTR(-ENOMEM); in bond_verify_device_path()
3006 __be32 *targets = bond->params.arp_targets, addr; in bond_arp_send_all()
3010 slave_dbg(bond->dev, slave->dev, "%s: target %pI4\n", in bond_arp_send_all()
3015 rt = ip_route_output(dev_net(bond->dev), targets[i], 0, in bond_arp_send_all()
3018 /* there's no route to target - try to send arp in bond_arp_send_all()
3021 if (bond->params.arp_validate) in bond_arp_send_all()
3023 bond->dev->name, in bond_arp_send_all()
3031 if (rt->dst.dev == bond->dev) in bond_arp_send_all()
3035 tags = bond_verify_device_path(bond->dev, rt->dst.dev, 0); in bond_arp_send_all()
3041 /* Not our device - skip */ in bond_arp_send_all()
3042 slave_dbg(bond->dev, slave->dev, "no path to arp_ip_target %pI4 via rt.dev %s\n", in bond_arp_send_all()
3043 &targets[i], rt->dst.dev ? rt->dst.dev->name : "NULL"); in bond_arp_send_all()
3049 addr = bond_confirm_addr(rt->dst.dev, targets[i], 0); in bond_arp_send_all()
3061 slave_dbg(bond->dev, slave->dev, "%s: sip %pI4 tip %pI4 not found\n", in bond_validate_arp()
3066 i = bond_get_targets_ip(bond->params.arp_targets, sip); in bond_validate_arp()
3067 if (i == -1) { in bond_validate_arp()
3068 slave_dbg(bond->dev, slave->dev, "%s: sip %pI4 not found in targets\n", in bond_validate_arp()
3072 slave->last_rx = jiffies; in bond_validate_arp()
3073 slave->target_last_arp_rx[i] = jiffies; in bond_validate_arp()
3079 struct arphdr *arp = (struct arphdr *)skb->data; in bond_arp_rcv()
3085 alen = arp_hdr_len(bond->dev); in bond_arp_rcv()
3095 if (arp->ar_hln != bond->dev->addr_len || in bond_arp_rcv()
3096 skb->pkt_type == PACKET_OTHERHOST || in bond_arp_rcv()
3097 skb->pkt_type == PACKET_LOOPBACK || in bond_arp_rcv()
3098 arp->ar_hrd != htons(ARPHRD_ETHER) || in bond_arp_rcv()
3099 arp->ar_pro != htons(ETH_P_IP) || in bond_arp_rcv()
3100 arp->ar_pln != 4) in bond_arp_rcv()
3104 arp_ptr += bond->dev->addr_len; in bond_arp_rcv()
3106 arp_ptr += 4 + bond->dev->addr_len; in bond_arp_rcv()
3109 slave_dbg(bond->dev, slave->dev, "%s: %s/%d av %d sv %d sip %pI4 tip %pI4\n", in bond_arp_rcv()
3110 __func__, slave->dev->name, bond_slave_state(slave), in bond_arp_rcv()
3111 bond->params.arp_validate, slave_do_arp_validate(bond, slave), in bond_arp_rcv()
3114 curr_active_slave = rcu_dereference(bond->curr_active_slave); in bond_arp_rcv()
3115 curr_arp_slave = rcu_dereference(bond->current_arp_slave); in bond_arp_rcv()
3119 * (a) the slave receiving the ARP is active (which includes the in bond_arp_rcv()
3122 * (b) the receiving slave isn't active, but there is a currently in bond_arp_rcv()
3123 * active slave and it received valid arp reply(s) after it became in bond_arp_rcv()
3124 * the currently active slave, or in bond_arp_rcv()
3144 curr_active_slave->last_link_up)) in bond_arp_rcv()
3146 else if (curr_arp_slave && (arp->ar_op == htons(ARPOP_REPLY)) && in bond_arp_rcv()
3151 if (arp != (struct arphdr *)skb->data) in bond_arp_rcv()
3160 struct net_device *bond_dev = slave->bond->dev; in bond_ns_send()
3161 struct net_device *slave_dev = slave->dev; in bond_ns_send()
3183 struct in6_addr *targets = bond->params.ns_targets; in bond_ns_send_all()
3191 slave_dbg(bond->dev, slave->dev, "%s: target %pI6c\n", in bond_ns_send_all()
3198 fl6.flowi6_oif = bond->dev->ifindex; in bond_ns_send_all()
3200 dst = ip6_route_output(dev_net(bond->dev), NULL, &fl6); in bond_ns_send_all()
3201 if (dst->error) { in bond_ns_send_all()
3203 /* there's no route to target - try to send arp in bond_ns_send_all()
3206 if (bond->params.arp_validate) in bond_ns_send_all()
3208 bond->dev->name, in bond_ns_send_all()
3215 if (dst->dev == bond->dev) in bond_ns_send_all()
3219 tags = bond_verify_device_path(bond->dev, dst->dev, 0); in bond_ns_send_all()
3225 /* Not our device - skip */ in bond_ns_send_all()
3226 slave_dbg(bond->dev, slave->dev, "no path to ns_ip6_target %pI6c via dst->dev %s\n", in bond_ns_send_all()
3227 &targets[i], dst->dev ? dst->dev->name : "NULL"); in bond_ns_send_all()
3233 if (!ipv6_dev_get_saddr(dev_net(dst->dev), dst->dev, &targets[i], 0, &saddr)) in bond_ns_send_all()
3246 struct in6_addr *addr = (struct in6_addr *)priv->data; in bond_confirm_addr6()
3258 if (bond_confirm_addr6(bond->dev, &priv)) in bond_has_this_ip6()
3262 if (netdev_walk_all_upper_dev_rcu(bond->dev, bond_confirm_addr6, &priv)) in bond_has_this_ip6()
3276 * 2. Dest address is neither all-nodes multicast address nor in bond_validate_na()
3282 slave_dbg(bond->dev, slave->dev, "%s: sip %pI6c tip %pI6c not found\n", in bond_validate_na()
3287 i = bond_get_targets_ip6(bond->params.ns_targets, saddr); in bond_validate_na()
3288 if (i == -1) { in bond_validate_na()
3289 slave_dbg(bond->dev, slave->dev, "%s: sip %pI6c not found in targets\n", in bond_validate_na()
3293 slave->last_rx = jiffies; in bond_validate_na()
3294 slave->target_last_arp_rx[i] = jiffies; in bond_validate_na()
3307 if (skb->pkt_type == PACKET_OTHERHOST || in bond_na_rcv()
3308 skb->pkt_type == PACKET_LOOPBACK) in bond_na_rcv()
3312 if (!combined || combined->ip6.nexthdr != NEXTHDR_ICMP || in bond_na_rcv()
3313 (combined->icmp6.icmp6_type != NDISC_NEIGHBOUR_SOLICITATION && in bond_na_rcv()
3314 combined->icmp6.icmp6_type != NDISC_NEIGHBOUR_ADVERTISEMENT)) in bond_na_rcv()
3317 saddr = &combined->ip6.saddr; in bond_na_rcv()
3318 daddr = &combined->ip6.daddr; in bond_na_rcv()
3320 slave_dbg(bond->dev, slave->dev, "%s: %s/%d av %d sv %d sip %pI6c tip %pI6c\n", in bond_na_rcv()
3321 __func__, slave->dev->name, bond_slave_state(slave), in bond_na_rcv()
3322 bond->params.arp_validate, slave_do_arp_validate(bond, slave), in bond_na_rcv()
3325 curr_active_slave = rcu_dereference(bond->curr_active_slave); in bond_na_rcv()
3326 curr_arp_slave = rcu_dereference(bond->current_arp_slave); in bond_na_rcv()
3335 curr_active_slave->last_link_up)) in bond_na_rcv()
3350 bool is_ipv6 = skb->protocol == __cpu_to_be16(ETH_P_IPV6); in bond_rcv_validate()
3352 bool is_arp = skb->protocol == __cpu_to_be16(ETH_P_ARP); in bond_rcv_validate()
3354 slave_dbg(bond->dev, slave->dev, "%s: skb->dev %s\n", in bond_rcv_validate()
3355 __func__, skb->dev->name); in bond_rcv_validate()
3364 slave->last_rx = jiffies; in bond_rcv_validate()
3386 * (last_act - arp_interval) <= jiffies <= (last_act + mod * arp_interval +
3392 int delta_in_ticks = msecs_to_jiffies(bond->params.arp_interval); in bond_time_in_interval()
3395 last_act - delta_in_ticks, in bond_time_in_interval()
3399 /* This function is called regularly to monitor each slave's link
3401 * is used in load-balancing mode. if the adapter has been dormant, then an
3403 * arp monitoring in active backup mode.
3416 oldcurrent = rcu_dereference(bond->curr_active_slave); in bond_loadbalance_arp_mon()
3419 * the picture unless it is null. also, slave->last_link_up is not in bond_loadbalance_arp_mon()
3430 if (slave->link != BOND_LINK_UP) { in bond_loadbalance_arp_mon()
3432 bond_time_in_interval(bond, slave->last_rx, 1)) { in bond_loadbalance_arp_mon()
3437 /* primary_slave has no meaning in round-robin in bond_loadbalance_arp_mon()
3443 slave_info(bond->dev, slave->dev, "link status definitely up\n"); in bond_loadbalance_arp_mon()
3446 slave_info(bond->dev, slave->dev, "interface is now up\n"); in bond_loadbalance_arp_mon()
3450 /* slave->link == BOND_LINK_UP */ in bond_loadbalance_arp_mon()
3453 * when the source ip is 0, so don't take the link down in bond_loadbalance_arp_mon()
3456 if (!bond_time_in_interval(bond, last_tx, bond->params.missed_max) || in bond_loadbalance_arp_mon()
3457 !bond_time_in_interval(bond, slave->last_rx, bond->params.missed_max)) { in bond_loadbalance_arp_mon()
3462 if (slave->link_failure_count < UINT_MAX) in bond_loadbalance_arp_mon()
3463 slave->link_failure_count++; in bond_loadbalance_arp_mon()
3465 slave_info(bond->dev, slave->dev, "interface is now down\n"); in bond_loadbalance_arp_mon()
3472 /* note: if switch is in round-robin mode, all links in bond_loadbalance_arp_mon()
3473 * must tx arp to ensure all links rx an arp - otherwise in bond_loadbalance_arp_mon()
3476 * do - all replies will be rx'ed on same link causing slaves in bond_loadbalance_arp_mon()
3477 * to be unstable during low/no traffic periods in bond_loadbalance_arp_mon()
3490 if (slave->link_new_state != BOND_LINK_NOCHANGE) in bond_loadbalance_arp_mon()
3491 slave->link = slave->link_new_state; in bond_loadbalance_arp_mon()
3508 if (bond->params.arp_interval) in bond_loadbalance_arp_mon()
3509 queue_delayed_work(bond->wq, &bond->arp_work, in bond_loadbalance_arp_mon()
3510 msecs_to_jiffies(bond->params.arp_interval)); in bond_loadbalance_arp_mon()
3513 /* Called to inspect slaves for active-backup mode ARP monitor link state
3514 * changes. Sets proposed link state in slaves to specify what action
3516 * if changes to link states must be committed.
3531 if (slave->link != BOND_LINK_UP) { in bond_ab_arp_inspect()
3535 } else if (slave->link == BOND_LINK_BACK) { in bond_ab_arp_inspect()
3543 * active. This avoids bouncing, as the last receive in bond_ab_arp_inspect()
3546 if (bond_time_in_interval(bond, slave->last_link_up, 2)) in bond_ab_arp_inspect()
3550 * - No current_arp_slave AND in bond_ab_arp_inspect()
3551 * - more than (missed_max+1)*delta since last receive AND in bond_ab_arp_inspect()
3552 * - the bond has an IP address in bond_ab_arp_inspect()
3554 * Note: a non-null current_arp_slave indicates in bond_ab_arp_inspect()
3557 * we only take the curr_active_slave down - this in bond_ab_arp_inspect()
3562 !rcu_access_pointer(bond->current_arp_slave) && in bond_ab_arp_inspect()
3563 !bond_time_in_interval(bond, last_rx, bond->params.missed_max + 1)) { in bond_ab_arp_inspect()
3568 /* Active slave is down if: in bond_ab_arp_inspect()
3569 * - more than missed_max*delta since transmitting OR in bond_ab_arp_inspect()
3570 * - (more than missed_max*delta since receive AND in bond_ab_arp_inspect()
3575 (!bond_time_in_interval(bond, last_tx, bond->params.missed_max) || in bond_ab_arp_inspect()
3576 !bond_time_in_interval(bond, last_rx, bond->params.missed_max))) { in bond_ab_arp_inspect()
3585 /* Called to commit link state changes noted by inspection step of
3586 * active-backup mode ARP monitor.
3598 switch (slave->link_new_state) { in bond_ab_arp_commit()
3604 if (rtnl_dereference(bond->curr_active_slave) != slave || in bond_ab_arp_commit()
3605 (!rtnl_dereference(bond->curr_active_slave) && in bond_ab_arp_commit()
3609 current_arp_slave = rtnl_dereference(bond->current_arp_slave); in bond_ab_arp_commit()
3616 RCU_INIT_POINTER(bond->current_arp_slave, NULL); in bond_ab_arp_commit()
3619 slave_info(bond->dev, slave->dev, "link status definitely up\n"); in bond_ab_arp_commit()
3621 if (!rtnl_dereference(bond->curr_active_slave) || in bond_ab_arp_commit()
3622 slave == rtnl_dereference(bond->primary_slave) || in bond_ab_arp_commit()
3623 slave->prio > rtnl_dereference(bond->curr_active_slave)->prio) in bond_ab_arp_commit()
3631 if (slave->link_failure_count < UINT_MAX) in bond_ab_arp_commit()
3632 slave->link_failure_count++; in bond_ab_arp_commit()
3639 slave_info(bond->dev, slave->dev, "link status definitely down, disabling slave\n"); in bond_ab_arp_commit()
3641 if (slave == rtnl_dereference(bond->curr_active_slave)) { in bond_ab_arp_commit()
3642 RCU_INIT_POINTER(bond->current_arp_slave, NULL); in bond_ab_arp_commit()
3655 * the current active slave. in bond_ab_arp_commit()
3657 if (rtnl_dereference(bond->curr_active_slave)) in bond_ab_arp_commit()
3658 RCU_INIT_POINTER(bond->current_arp_slave, NULL); in bond_ab_arp_commit()
3662 slave_err(bond->dev, slave->dev, in bond_ab_arp_commit()
3664 slave->link_new_state); in bond_ab_arp_commit()
3678 /* Send ARP probes for active-backup mode ARP monitor.
3685 *curr_arp_slave = rcu_dereference(bond->current_arp_slave), in bond_ab_arp_probe()
3686 *curr_active_slave = rcu_dereference(bond->curr_active_slave); in bond_ab_arp_probe()
3692 netdev_info(bond->dev, "PROBE: c_arp %s && cas %s BAD\n", in bond_ab_arp_probe()
3693 curr_arp_slave->dev->name, in bond_ab_arp_probe()
3694 curr_active_slave->dev->name); in bond_ab_arp_probe()
3718 /* if the link state is up at this point, we in bond_ab_arp_probe()
3719 * mark it down - this can happen if we have in bond_ab_arp_probe()
3720 * simultaneous link failures and in bond_ab_arp_probe()
3725 if (!bond_slave_is_up(slave) && slave->link == BOND_LINK_UP) { in bond_ab_arp_probe()
3728 if (slave->link_failure_count < UINT_MAX) in bond_ab_arp_probe()
3729 slave->link_failure_count++; in bond_ab_arp_probe()
3734 slave_info(bond->dev, slave->dev, "backup interface is now down\n"); in bond_ab_arp_probe()
3750 new_slave->last_link_up = jiffies; in bond_ab_arp_probe()
3751 rcu_assign_pointer(bond->current_arp_slave, new_slave); in bond_ab_arp_probe()
3755 if (slave->should_notify || slave->should_notify_link) { in bond_ab_arp_probe()
3769 delta_in_ticks = msecs_to_jiffies(bond->params.arp_interval); in bond_activebackup_arp_mon()
3798 if (bond->params.arp_interval) in bond_activebackup_arp_mon()
3799 queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks); in bond_activebackup_arp_mon()
3806 bond->send_peer_notif--; in bond_activebackup_arp_mon()
3808 bond->dev); in bond_activebackup_arp_mon()
3830 /*-------------------------- netdev event handling --------------------------*/
3885 bond_dev = slave->bond->dev; in bond_slave_netdev_event()
3886 bond = slave->bond; in bond_slave_netdev_event()
3887 primary = rtnl_dereference(bond->primary_slave); in bond_slave_netdev_event()
3893 if (bond_dev->type != ARPHRD_ETHER) in bond_slave_netdev_event()
3902 * in weird state. Mark it as link-fail if the link was in bond_slave_netdev_event()
3903 * previously up or link-down if it hasn't yet come up, and in bond_slave_netdev_event()
3904 * let link-monitoring (miimon) set it right when correct in bond_slave_netdev_event()
3909 if (slave->last_link_up) in bond_slave_netdev_event()
3910 slave->link = BOND_LINK_FAIL; in bond_slave_netdev_event()
3912 slave->link = BOND_LINK_DOWN; in bond_slave_netdev_event()
3919 /* Refresh slave-array if applicable! in bond_slave_netdev_event()
3920 * If the setup does not use miimon or arpmon (mode-specific!), in bond_slave_netdev_event()
3921 * then these events will not cause the slave-array to be in bond_slave_netdev_event()
3933 * an active-backup bond, slaves need in bond_slave_netdev_event()
3946 !bond->params.primary[0]) in bond_slave_netdev_event()
3950 /* slave's name changed - he's no longer primary */ in bond_slave_netdev_event()
3951 RCU_INIT_POINTER(bond->primary_slave, NULL); in bond_slave_netdev_event()
3952 } else if (!strcmp(slave_dev->name, bond->params.primary)) { in bond_slave_netdev_event()
3954 rcu_assign_pointer(bond->primary_slave, slave); in bond_slave_netdev_event()
3955 } else { /* we didn't change primary - exit */ in bond_slave_netdev_event()
3959 netdev_info(bond->dev, "Primary slave changed to %s, reselecting active slave\n", in bond_slave_netdev_event()
3960 primary ? slave_dev->name : "none"); in bond_slave_netdev_event()
3967 if (!bond->notifier_ctx) { in bond_slave_netdev_event()
3968 bond->notifier_ctx = true; in bond_slave_netdev_event()
3970 bond->notifier_ctx = false; in bond_slave_netdev_event()
3975 call_netdevice_notifiers(event, slave->bond->dev); in bond_slave_netdev_event()
4002 if (!(event_dev->priv_flags & IFF_BONDING)) in bond_netdev_event()
4005 if (event_dev->flags & IFF_MASTER) { in bond_netdev_event()
4013 if (event_dev->flags & IFF_SLAVE) in bond_netdev_event()
4023 /*---------------------------- Hashing Policies -----------------------------*/
4034 return skb->data; in bond_pull_data()
4049 return ep->h_dest[5] ^ ep->h_source[5] ^ be16_to_cpu(ep->h_proto); in bond_eth_hash()
4065 *nhoff += iph->ihl << 2; in bond_flow_ip()
4067 *ip_proto = iph->protocol; in bond_flow_ip()
4076 *ip_proto = iph6->nexthdr; in bond_flow_ip()
4082 fk->ports.ports = __skb_flow_get_ports(skb, *nhoff, *ip_proto, data, hlen); in bond_flow_ip()
4100 srcmac_vendor = (srcmac_vendor << 8) | mac_hdr->h_source[i]; in bond_vlan_srcmac_hash()
4103 srcmac_dev = (srcmac_dev << 8) | mac_hdr->h_source[i]; in bond_vlan_srcmac_hash()
4115 bool l34 = bond->params.xmit_policy == BOND_XMIT_POLICY_LAYER34; in bond_flow_dissect()
4116 int ip_proto = -1; in bond_flow_dissect()
4118 switch (bond->params.xmit_policy) { in bond_flow_dissect()
4128 fk->ports.ports = 0; in bond_flow_dissect()
4129 memset(&fk->icmp, 0, sizeof(fk->icmp)); in bond_flow_dissect()
4139 skb_flow_get_icmp_tci(skb, &fk->icmp, data, nhoff, hlen); in bond_flow_dissect()
4141 if (!icmp_is_err(fk->icmp.type)) in bond_flow_dissect()
4146 if (!icmpv6_is_err(fk->icmp.type)) in bond_flow_dissect()
4182 if (bond->params.xmit_policy == BOND_XMIT_POLICY_VLAN_SRCMAC) in __bond_xmit_hash()
4185 if (bond->params.xmit_policy == BOND_XMIT_POLICY_LAYER2 || in __bond_xmit_hash()
4189 if (bond->params.xmit_policy == BOND_XMIT_POLICY_LAYER23 || in __bond_xmit_hash()
4190 bond->params.xmit_policy == BOND_XMIT_POLICY_ENCAP23) { in __bond_xmit_hash()
4199 return bond_ip_hash(hash, &flow, bond->params.xmit_policy); in __bond_xmit_hash()
4203 * bond_xmit_hash - generate a hash value based on the xmit policy
4212 if (bond->params.xmit_policy == BOND_XMIT_POLICY_ENCAP34 && in bond_xmit_hash()
4213 skb->l4_hash) in bond_xmit_hash()
4214 return skb->hash; in bond_xmit_hash()
4216 return __bond_xmit_hash(bond, skb, skb->data, skb->protocol, in bond_xmit_hash()
4222 * bond_xmit_hash_xdp - generate a hash value based on the xmit policy
4232 if (xdp->data + sizeof(struct ethhdr) > xdp->data_end) in bond_xmit_hash_xdp()
4235 eth = (struct ethhdr *)xdp->data; in bond_xmit_hash_xdp()
4237 return __bond_xmit_hash(bond, NULL, xdp->data, eth->h_proto, 0, in bond_xmit_hash_xdp()
4238 sizeof(struct ethhdr), xdp->data_end - xdp->data); in bond_xmit_hash_xdp()
4241 /*-------------------------- Device entry points ----------------------------*/
4245 INIT_DELAYED_WORK(&bond->mcast_work, in bond_work_init_all()
4247 INIT_DELAYED_WORK(&bond->alb_work, bond_alb_monitor); in bond_work_init_all()
4248 INIT_DELAYED_WORK(&bond->mii_work, bond_mii_monitor); in bond_work_init_all()
4249 INIT_DELAYED_WORK(&bond->arp_work, bond_arp_monitor); in bond_work_init_all()
4250 INIT_DELAYED_WORK(&bond->ad_work, bond_3ad_state_machine_handler); in bond_work_init_all()
4251 INIT_DELAYED_WORK(&bond->slave_arr_work, bond_slave_arr_handler); in bond_work_init_all()
4256 cancel_delayed_work_sync(&bond->mii_work); in bond_work_cancel_all()
4257 cancel_delayed_work_sync(&bond->arp_work); in bond_work_cancel_all()
4258 cancel_delayed_work_sync(&bond->alb_work); in bond_work_cancel_all()
4259 cancel_delayed_work_sync(&bond->ad_work); in bond_work_cancel_all()
4260 cancel_delayed_work_sync(&bond->mcast_work); in bond_work_cancel_all()
4261 cancel_delayed_work_sync(&bond->slave_arr_work); in bond_work_cancel_all()
4270 if (BOND_MODE(bond) == BOND_MODE_ROUNDROBIN && !bond->rr_tx_counter) { in bond_open()
4271 bond->rr_tx_counter = alloc_percpu(u32); in bond_open()
4272 if (!bond->rr_tx_counter) in bond_open()
4273 return -ENOMEM; in bond_open()
4276 /* reset slave->backup and slave->inactive */ in bond_open()
4280 slave != rcu_access_pointer(bond->curr_active_slave)) { in bond_open()
4295 return -ENOMEM; in bond_open()
4296 if (bond->params.tlb_dynamic_lb || BOND_MODE(bond) == BOND_MODE_ALB) in bond_open()
4297 queue_delayed_work(bond->wq, &bond->alb_work, 0); in bond_open()
4300 if (bond->params.miimon) /* link check interval, in milliseconds. */ in bond_open()
4301 queue_delayed_work(bond->wq, &bond->mii_work, 0); in bond_open()
4303 if (bond->params.arp_interval) { /* arp interval, in milliseconds. */ in bond_open()
4304 queue_delayed_work(bond->wq, &bond->arp_work, 0); in bond_open()
4305 bond->recv_probe = bond_rcv_validate; in bond_open()
4309 queue_delayed_work(bond->wq, &bond->ad_work, 0); in bond_open()
4311 bond->recv_probe = bond_3ad_lacpdu_recv; in bond_open()
4315 dev_mc_add(slave->dev, lacpdu_mcast_addr); in bond_open()
4330 bond->send_peer_notif = 0; in bond_close()
4333 bond->recv_probe = NULL; in bond_close()
4337 slave = rcu_dereference(bond->curr_active_slave); in bond_close()
4339 bond_hw_addr_flush(bond_dev, slave->dev); in bond_close()
4345 bond_hw_addr_flush(bond_dev, slave->dev); in bond_close()
4366 s64 delta = nv - ov; in bond_fold_stats()
4370 delta = (s64)(s32)((u32)nv - (u32)ov); in bond_fold_stats()
4388 iter = &dev->adj_list.lower; in bond_get_lowest_level_rcu()
4398 niter = &ldev->adj_list.lower; in bond_get_lowest_level_rcu()
4409 next = dev_stack[--cur]; in bond_get_lowest_level_rcu()
4436 spin_lock_nested(&bond->stats_lock, nest_level); in bond_get_stats()
4437 memcpy(stats, &bond->bond_stats, sizeof(*stats)); in bond_get_stats()
4441 dev_get_stats(slave->dev, &temp); in bond_get_stats()
4443 bond_fold_stats(stats, new, &slave->slave_stats); in bond_get_stats()
4446 memcpy(&slave->slave_stats, new, sizeof(*new)); in bond_get_stats()
4449 memcpy(&bond->bond_stats, stats, sizeof(*stats)); in bond_get_stats()
4450 spin_unlock(&bond->stats_lock); in bond_get_stats()
4465 return -EINVAL; in bond_eth_ioctl()
4467 mii->phy_id = 0; in bond_eth_ioctl()
4475 return -EINVAL; in bond_eth_ioctl()
4477 if (mii->reg_num == 1) { in bond_eth_ioctl()
4478 mii->val_out = 0; in bond_eth_ioctl()
4479 if (netif_carrier_ok(bond->dev)) in bond_eth_ioctl()
4480 mii->val_out = BMSR_LSTATUS; in bond_eth_ioctl()
4485 return -EOPNOTSUPP; in bond_eth_ioctl()
4507 u_binfo = (struct ifbond __user *)ifr->ifr_data; in bond_do_ioctl()
4510 return -EFAULT; in bond_do_ioctl()
4514 return -EFAULT; in bond_do_ioctl()
4518 u_sinfo = (struct ifslave __user *)ifr->ifr_data; in bond_do_ioctl()
4521 return -EFAULT; in bond_do_ioctl()
4526 return -EFAULT; in bond_do_ioctl()
4535 if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) in bond_do_ioctl()
4536 return -EPERM; in bond_do_ioctl()
4538 slave_dev = __dev_get_by_name(net, ifr->ifr_slave); in bond_do_ioctl()
4543 return -ENODEV; in bond_do_ioctl()
4556 bond_opt_initstr(&newval, slave_dev->name); in bond_do_ioctl()
4561 res = -EOPNOTSUPP; in bond_do_ioctl()
4587 return -EOPNOTSUPP; in bond_siocdevprivate()
4596 bond_dev->flags & IFF_PROMISC ? 1 : -1); in bond_change_rx_flags()
4600 bond_dev->flags & IFF_ALLMULTI ? 1 : -1); in bond_change_rx_flags()
4611 slave = rcu_dereference(bond->curr_active_slave); in bond_set_rx_mode()
4613 dev_uc_sync(slave->dev, bond_dev); in bond_set_rx_mode()
4614 dev_mc_sync(slave->dev, bond_dev); in bond_set_rx_mode()
4618 dev_uc_sync_multiple(slave->dev, bond_dev); in bond_set_rx_mode()
4619 dev_mc_sync_multiple(slave->dev, bond_dev); in bond_set_rx_mode()
4627 struct bonding *bond = netdev_priv(n->dev); in bond_neigh_init()
4637 slave_ops = slave->dev->netdev_ops; in bond_neigh_init()
4638 if (!slave_ops->ndo_neigh_setup) in bond_neigh_init()
4650 ret = slave_ops->ndo_neigh_setup(slave->dev, &parms); in bond_neigh_init()
4667 * underlying devices. In that case - do nothing, we're already set up from
4674 if (parms->dev == dev) in bond_neigh_setup()
4675 parms->neigh_setup = bond_neigh_init; in bond_neigh_setup()
4691 slave_dbg(bond_dev, slave->dev, "s %p c_m %p\n", in bond_change_mtu()
4692 slave, slave->dev->netdev_ops->ndo_change_mtu); in bond_change_mtu()
4694 res = dev_set_mtu(slave->dev, new_mtu); in bond_change_mtu()
4700 * different mtu values than the active slave we'll in bond_change_mtu()
4705 slave_dbg(bond_dev, slave->dev, "err %d setting mtu to %d\n", in bond_change_mtu()
4711 bond_dev->mtu = new_mtu; in bond_change_mtu()
4723 tmp_res = dev_set_mtu(rollback_slave->dev, bond_dev->mtu); in bond_change_mtu()
4725 slave_dbg(bond_dev, rollback_slave->dev, "unwind err %d\n", in bond_change_mtu()
4755 if (bond->params.fail_over_mac && in bond_set_mac_address()
4759 if (!is_valid_ether_addr(ss->__data)) in bond_set_mac_address()
4760 return -EADDRNOTAVAIL; in bond_set_mac_address()
4763 slave_dbg(bond_dev, slave->dev, "%s: slave=%p\n", in bond_set_mac_address()
4765 res = dev_set_mac_address(slave->dev, addr, NULL); in bond_set_mac_address()
4773 slave_dbg(bond_dev, slave->dev, "%s: err %d\n", in bond_set_mac_address()
4780 dev_addr_set(bond_dev, ss->__data); in bond_set_mac_address()
4784 memcpy(tmp_ss.__data, bond_dev->dev_addr, bond_dev->addr_len); in bond_set_mac_address()
4785 tmp_ss.ss_family = bond_dev->type; in bond_set_mac_address()
4794 tmp_res = dev_set_mac_address(rollback_slave->dev, in bond_set_mac_address()
4797 slave_dbg(bond_dev, rollback_slave->dev, "%s: unwind err %d\n", in bond_set_mac_address()
4806 * bond_get_slave_by_id - get xmit slave with slave_id
4808 * @slave_id: slave id up to slave_cnt-1 through which to transmit
4822 if (--i < 0) { in bond_get_slave_by_id()
4831 if (--i < 0) in bond_get_slave_by_id()
4841 * bond_rr_gen_slave_id - generate slave id based on packets_per_slave
4852 int packets_per_slave = bond->params.packets_per_slave; in bond_rr_gen_slave_id()
4859 slave_id = this_cpu_inc_return(*bond->rr_tx_counter); in bond_rr_gen_slave_id()
4863 bond->params.reciprocal_packets_per_slave; in bond_rr_gen_slave_id()
4864 slave_id = this_cpu_inc_return(*bond->rr_tx_counter); in bond_rr_gen_slave_id()
4886 if (skb->protocol == htons(ETH_P_IP)) { in bond_xmit_roundrobin_slave_get()
4894 if (iph->protocol == IPPROTO_IGMP) { in bond_xmit_roundrobin_slave_get()
4895 slave = rcu_dereference(bond->curr_active_slave); in bond_xmit_roundrobin_slave_get()
4903 slave_cnt = READ_ONCE(bond->slave_cnt); in bond_xmit_roundrobin_slave_get()
4918 void *data = xdp->data; in bond_xdp_xmit_roundrobin_slave_get()
4920 if (data + sizeof(struct ethhdr) > xdp->data_end) in bond_xdp_xmit_roundrobin_slave_get()
4927 if (eth->h_proto == htons(ETH_P_IP)) { in bond_xdp_xmit_roundrobin_slave_get()
4930 if (data + sizeof(struct iphdr) > xdp->data_end) in bond_xdp_xmit_roundrobin_slave_get()
4935 if (iph->protocol == IPPROTO_IGMP) { in bond_xdp_xmit_roundrobin_slave_get()
4936 slave = rcu_dereference(bond->curr_active_slave); in bond_xdp_xmit_roundrobin_slave_get()
4944 slave_cnt = READ_ONCE(bond->slave_cnt); in bond_xdp_xmit_roundrobin_slave_get()
4960 return bond_dev_queue_xmit(bond, skb, slave->dev); in bond_xmit_roundrobin()
4967 return rcu_dereference(bond->curr_active_slave); in bond_xmit_activebackup_slave_get()
4970 /* In active-backup mode, we know that bond->curr_active_slave is always valid if
4981 return bond_dev_queue_xmit(bond, skb, slave->dev); in bond_xmit_activebackup()
4992 queue_delayed_work(bond->wq, &bond->slave_arr_work, delay); in bond_slave_arr_work_rearm()
5028 * this to-be-skipped slave to send a packet out. in bond_skip_slave()
5030 for (idx = 0; slaves && idx < slaves->count; idx++) { in bond_skip_slave()
5031 if (skipslave == slaves->arr[idx]) { in bond_skip_slave()
5032 slaves->arr[idx] = in bond_skip_slave()
5033 slaves->arr[slaves->count - 1]; in bond_skip_slave()
5034 slaves->count--; in bond_skip_slave()
5046 usable = rtnl_dereference(bond->usable_slaves); in bond_set_slave_arr()
5047 rcu_assign_pointer(bond->usable_slaves, usable_slaves); in bond_set_slave_arr()
5050 all = rtnl_dereference(bond->all_slaves); in bond_set_slave_arr()
5051 rcu_assign_pointer(bond->all_slaves, all_slaves); in bond_set_slave_arr()
5060 /* Build the usable slaves array in control path for modes that use xmit-hash
5061 * to determine the slave interface -
5079 bond->slave_cnt), GFP_KERNEL); in bond_update_slave_arr()
5081 bond->slave_cnt), GFP_KERNEL); in bond_update_slave_arr()
5083 ret = -ENOMEM; in bond_update_slave_arr()
5089 spin_lock_bh(&bond->mode_lock); in bond_update_slave_arr()
5091 spin_unlock_bh(&bond->mode_lock); in bond_update_slave_arr()
5093 /* No active aggragator means it's not safe to use in bond_update_slave_arr()
5099 spin_unlock_bh(&bond->mode_lock); in bond_update_slave_arr()
5106 all_slaves->arr[all_slaves->count++] = slave; in bond_update_slave_arr()
5110 agg = SLAVE_AD_INFO(slave)->port.aggregator; in bond_update_slave_arr()
5111 if (!agg || agg->aggregator_identifier != agg_id) in bond_update_slave_arr()
5117 slave_dbg(bond->dev, slave->dev, "Adding slave to tx hash array[%d]\n", in bond_update_slave_arr()
5118 usable_slaves->count); in bond_update_slave_arr()
5120 usable_slaves->arr[usable_slaves->count++] = slave; in bond_update_slave_arr()
5127 bond_skip_slave(rtnl_dereference(bond->all_slaves), in bond_update_slave_arr()
5129 bond_skip_slave(rtnl_dereference(bond->usable_slaves), in bond_update_slave_arr()
5147 count = slaves ? READ_ONCE(slaves->count) : 0; in bond_xmit_3ad_xor_slave_get()
5151 slave = slaves->arr[hash % count]; in bond_xmit_3ad_xor_slave_get()
5163 slaves = rcu_dereference(bond->usable_slaves); in bond_xdp_xmit_3ad_xor_slave_get()
5164 count = slaves ? READ_ONCE(slaves->count) : 0; in bond_xdp_xmit_3ad_xor_slave_get()
5168 return slaves->arr[hash % count]; in bond_xdp_xmit_3ad_xor_slave_get()
5182 slaves = rcu_dereference(bond->usable_slaves); in bond_3ad_xor_xmit()
5185 return bond_dev_queue_xmit(bond, skb, slave->dev); in bond_3ad_xor_xmit()
5203 if (!(bond_slave_is_up(slave) && slave->link == BOND_LINK_UP)) in bond_xmit_broadcast()
5213 bond_dev->name, __func__); in bond_xmit_broadcast()
5218 if (bond_dev_queue_xmit(bond, skb2, slave->dev) == NETDEV_TX_OK) in bond_xmit_broadcast()
5232 /*------------------------- Device initialization ---------------------------*/
5246 if (slave->queue_id == skb_get_queue_mapping(skb)) { in bond_slave_override()
5248 slave->link == BOND_LINK_UP) { in bond_slave_override()
5249 bond_dev_queue_xmit(bond, skb, slave->dev); in bond_slave_override()
5272 qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb_get_queue_mapping(skb); in bond_select_queue()
5274 if (unlikely(txq >= dev->real_num_tx_queues)) { in bond_select_queue()
5276 txq -= dev->real_num_tx_queues; in bond_select_queue()
5277 } while (txq >= dev->real_num_tx_queues); in bond_select_queue()
5300 slaves = rcu_dereference(bond->all_slaves); in bond_xmit_get_slave()
5302 slaves = rcu_dereference(bond->usable_slaves); in bond_xmit_get_slave()
5320 return slave->dev; in bond_xmit_get_slave()
5326 switch (sk->sk_family) { in bond_sk_to_flow()
5330 ipv6_addr_type(&sk->sk_v6_daddr) != IPV6_ADDR_MAPPED) { in bond_sk_to_flow()
5331 flow->control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS; in bond_sk_to_flow()
5332 flow->addrs.v6addrs.src = inet6_sk(sk)->saddr; in bond_sk_to_flow()
5333 flow->addrs.v6addrs.dst = sk->sk_v6_daddr; in bond_sk_to_flow()
5339 flow->control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS; in bond_sk_to_flow()
5340 flow->addrs.v4addrs.src = inet_sk(sk)->inet_rcv_saddr; in bond_sk_to_flow()
5341 flow->addrs.v4addrs.dst = inet_sk(sk)->inet_daddr; in bond_sk_to_flow()
5345 flow->ports.src = inet_sk(sk)->inet_sport; in bond_sk_to_flow()
5346 flow->ports.dst = inet_sk(sk)->inet_dport; in bond_sk_to_flow()
5350 * bond_sk_hash_l34 - generate a hash value based on the socket's L3 and L4 fields
5378 slaves = rcu_dereference(bond->usable_slaves); in __bond_sk_get_lower_dev()
5379 count = slaves ? READ_ONCE(slaves->count) : 0; in __bond_sk_get_lower_dev()
5384 slave = slaves->arr[hash % count]; in __bond_sk_get_lower_dev()
5386 return slave->dev; in __bond_sk_get_lower_dev()
5407 struct net_device *tls_netdev = rcu_dereference(tls_get_ctx(skb->sk)->netdev); in bond_tls_device_xmit()
5505 return slave->dev; in bond_xdp_get_xmit_slave()
5513 int nxmit, err = -ENXIO; in bond_xdp_xmit()
5527 err = -ENXIO; in bond_xdp_xmit()
5531 err = slave_dev->netdev_ops->ndo_xdp_xmit(slave_dev, 1, frames1, flags); in bond_xdp_xmit()
5565 return -EOPNOTSUPP; in bond_xdp_set()
5567 old_prog = bond->xdp_prog; in bond_xdp_set()
5568 bond->xdp_prog = prog; in bond_xdp_set()
5571 struct net_device *slave_dev = slave->dev; in bond_xdp_set()
5573 if (!slave_dev->netdev_ops->ndo_bpf || in bond_xdp_set()
5574 !slave_dev->netdev_ops->ndo_xdp_xmit) { in bond_xdp_set()
5577 err = -EOPNOTSUPP; in bond_xdp_set()
5584 err = -EOPNOTSUPP; in bond_xdp_set()
5588 err = slave_dev->netdev_ops->ndo_bpf(slave_dev, &xdp); in bond_xdp_set()
5609 bond->xdp_prog = old_prog; in bond_xdp_set()
5614 struct net_device *slave_dev = rollback_slave->dev; in bond_xdp_set()
5620 err_unwind = slave_dev->netdev_ops->ndo_bpf(slave_dev, &xdp); in bond_xdp_set()
5632 switch (xdp->command) { in bond_xdp()
5634 return bond_xdp_set(dev, xdp->prog, xdp->extack); in bond_xdp()
5636 return -EINVAL; in bond_xdp()
5643 speed = slave->speed; in bond_mode_bcast_speed()
5645 speed = min(speed, slave->speed); in bond_mode_bcast_speed()
5653 struct ifreq *ifr = kernel_cfg->ifr; in bond_set_phc_index_flag()
5656 if (kernel_cfg->copied_to_user) { in bond_set_phc_index_flag()
5658 if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg))) in bond_set_phc_index_flag()
5659 return -EFAULT; in bond_set_phc_index_flag()
5662 if (copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg))) in bond_set_phc_index_flag()
5663 return -EFAULT; in bond_set_phc_index_flag()
5665 kernel_cfg->flags |= HWTSTAMP_FLAG_BONDED_PHC_INDEX; in bond_set_phc_index_flag()
5680 return -EOPNOTSUPP; in bond_hwtstamp_get()
5697 if (!(cfg->flags & HWTSTAMP_FLAG_BONDED_PHC_INDEX)) in bond_hwtstamp_set()
5698 return -EOPNOTSUPP; in bond_hwtstamp_set()
5702 return -EOPNOTSUPP; in bond_hwtstamp_set()
5719 cmd->base.duplex = DUPLEX_UNKNOWN; in bond_ethtool_get_link_ksettings()
5720 cmd->base.port = PORT_OTHER; in bond_ethtool_get_link_ksettings()
5723 * do not need to check mode. Though link speed might not represent in bond_ethtool_get_link_ksettings()
5730 if (slave->speed != SPEED_UNKNOWN) { in bond_ethtool_get_link_ksettings()
5735 speed += slave->speed; in bond_ethtool_get_link_ksettings()
5737 if (cmd->base.duplex == DUPLEX_UNKNOWN && in bond_ethtool_get_link_ksettings()
5738 slave->duplex != DUPLEX_UNKNOWN) in bond_ethtool_get_link_ksettings()
5739 cmd->base.duplex = slave->duplex; in bond_ethtool_get_link_ksettings()
5742 cmd->base.speed = speed ? : SPEED_UNKNOWN; in bond_ethtool_get_link_ksettings()
5750 strscpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); in bond_ethtool_get_drvinfo()
5751 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d", in bond_ethtool_get_drvinfo()
5777 ret = ethtool_get_ts_info_by_layer(slave->dev, &ts_info); in bond_ethtool_get_ts_info()
5790 info->so_timestamping |= SOF_TIMESTAMPING_TX_SOFTWARE; in bond_ethtool_get_ts_info()
5847 if (bond->wq) in bond_destructor()
5848 destroy_workqueue(bond->wq); in bond_destructor()
5850 free_percpu(bond->rr_tx_counter); in bond_destructor()
5857 spin_lock_init(&bond->mode_lock); in bond_setup()
5858 bond->params = bonding_defaults; in bond_setup()
5861 bond->dev = bond_dev; in bond_setup()
5865 bond_dev->max_mtu = ETH_MAX_MTU; in bond_setup()
5866 bond_dev->netdev_ops = &bond_netdev_ops; in bond_setup()
5867 bond_dev->ethtool_ops = &bond_ethtool_ops; in bond_setup()
5869 bond_dev->needs_free_netdev = true; in bond_setup()
5870 bond_dev->priv_destructor = bond_destructor; in bond_setup()
5875 bond_dev->flags |= IFF_MASTER; in bond_setup()
5876 bond_dev->priv_flags |= IFF_BONDING | IFF_UNICAST_FLT | IFF_NO_QUEUE; in bond_setup()
5877 bond_dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); in bond_setup()
5880 /* set up xfrm device ops (only supported in active-backup right now) */ in bond_setup()
5881 bond_dev->xfrmdev_ops = &bond_xfrmdev_ops; in bond_setup()
5882 INIT_LIST_HEAD(&bond->ipsec_list); in bond_setup()
5883 spin_lock_init(&bond->ipsec_lock); in bond_setup()
5887 bond_dev->features |= NETIF_F_LLTX; in bond_setup()
5897 bond_dev->features |= NETIF_F_NETNS_LOCAL; in bond_setup()
5899 bond_dev->hw_features = BOND_VLAN_FEATURES | in bond_setup()
5905 bond_dev->hw_features |= NETIF_F_GSO_ENCAP_ALL; in bond_setup()
5906 bond_dev->features |= bond_dev->hw_features; in bond_setup()
5907 bond_dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; in bond_setup()
5909 bond_dev->hw_features |= BOND_XFRM_FEATURES; in bond_setup()
5910 /* Only enable XFRM features if this is an active-backup config */ in bond_setup()
5912 bond_dev->features |= BOND_XFRM_FEATURES; in bond_setup()
5929 __bond_release_one(bond_dev, slave->dev, true, true); in bond_uninit()
5934 list_del(&bond->bond_list); in bond_uninit()
5939 /*------------------------- Module initialization ---------------------------*/
5962 return -EINVAL; in bond_check_params()
5964 bond_mode = valptr->value; in bond_check_params()
5980 return -EINVAL; in bond_check_params()
5982 xmit_hashtype = valptr->value; in bond_check_params()
5997 return -EINVAL; in bond_check_params()
5999 lacp_fast = valptr->value; in bond_check_params()
6009 return -EINVAL; in bond_check_params()
6011 params->ad_select = valptr->value; in bond_check_params()
6015 params->ad_select = BOND_AD_STABLE; in bond_check_params()
6019 …pr_warn("Warning: max_bonds (%d) not in range %d-%d, so it was reset to BOND_DEFAULT_MAX_BONDS (%d… in bond_check_params()
6025 pr_warn("Warning: miimon module parameter (%d), not in range 0-%d, so it was reset to 0\n", in bond_check_params()
6031 pr_warn("Warning: updelay module parameter (%d), not in range 0-%d, so it was reset to 0\n", in bond_check_params()
6037 pr_warn("Warning: downdelay module parameter (%d), not in range 0-%d, so it was reset to 0\n", in bond_check_params()
6049 pr_warn("Warning: num_grat_arp/num_unsol_na (%d) not in range 0-255 so it was reset to 1\n", in bond_check_params()
6057 …pr_warn("Warning: miimon must be specified, otherwise bonding will not detect link failure, speed … in bond_check_params()
6089 …pr_notice("In ALB mode you might experience client disconnections upon reconnection of a link if t… in bond_check_params()
6126 pr_warn("Warning: arp_interval module parameter (%d), not in range 0-%d, so it was reset to 0\n", in bond_check_params()
6136 if (!in4_pton(arp_ip_target[i], -1, (u8 *)&ip, -1, NULL) || in bond_check_params()
6142 if (bond_get_targets_ip(arp_target, ip) == -1) in bond_check_params()
6160 return -EINVAL; in bond_check_params()
6169 return -EINVAL; in bond_check_params()
6171 arp_validate_value = valptr->value; in bond_check_params()
6185 arp_all_targets_value = valptr->value; in bond_check_params()
6190 pr_info("MII link monitoring set to %d ms\n", miimon); in bond_check_params()
6195 arp_interval, valptr->string, arp_ip_count); in bond_check_params()
6206 …et module parameters must be specified, otherwise bonding will not detect link failures! see bondi… in bond_check_params()
6211 * in active backup, TLB or ALB modes in bond_check_params()
6225 return -EINVAL; in bond_check_params()
6227 primary_reselect_value = valptr->value; in bond_check_params()
6239 return -EINVAL; in bond_check_params()
6241 fail_over_mac_value = valptr->value; in bond_check_params()
6243 pr_warn("Warning: fail_over_mac only affects active-backup mode\n"); in bond_check_params()
6254 return -EINVAL; in bond_check_params()
6256 ad_actor_sys_prio = valptr->value; in bond_check_params()
6262 return -EINVAL; in bond_check_params()
6264 ad_user_port_key = valptr->value; in bond_check_params()
6270 return -EINVAL; in bond_check_params()
6272 tlb_dynamic_lb = valptr->value; in bond_check_params()
6281 params->mode = bond_mode; in bond_check_params()
6282 params->xmit_policy = xmit_hashtype; in bond_check_params()
6283 params->miimon = miimon; in bond_check_params()
6284 params->num_peer_notif = num_peer_notif; in bond_check_params()
6285 params->arp_interval = arp_interval; in bond_check_params()
6286 params->arp_validate = arp_validate_value; in bond_check_params()
6287 params->arp_all_targets = arp_all_targets_value; in bond_check_params()
6288 params->missed_max = 2; in bond_check_params()
6289 params->updelay = updelay; in bond_check_params()
6290 params->downdelay = downdelay; in bond_check_params()
6291 params->peer_notif_delay = 0; in bond_check_params()
6292 params->use_carrier = use_carrier; in bond_check_params()
6293 params->lacp_active = 1; in bond_check_params()
6294 params->lacp_fast = lacp_fast; in bond_check_params()
6295 params->primary[0] = 0; in bond_check_params()
6296 params->primary_reselect = primary_reselect_value; in bond_check_params()
6297 params->fail_over_mac = fail_over_mac_value; in bond_check_params()
6298 params->tx_queues = tx_queues; in bond_check_params()
6299 params->all_slaves_active = all_slaves_active; in bond_check_params()
6300 params->resend_igmp = resend_igmp; in bond_check_params()
6301 params->min_links = min_links; in bond_check_params()
6302 params->lp_interval = lp_interval; in bond_check_params()
6303 params->packets_per_slave = packets_per_slave; in bond_check_params()
6304 params->tlb_dynamic_lb = tlb_dynamic_lb; in bond_check_params()
6305 params->ad_actor_sys_prio = ad_actor_sys_prio; in bond_check_params()
6306 eth_zero_addr(params->ad_actor_system); in bond_check_params()
6307 params->ad_user_port_key = ad_user_port_key; in bond_check_params()
6309 params->reciprocal_packets_per_slave = in bond_check_params()
6315 params->reciprocal_packets_per_slave = in bond_check_params()
6320 strscpy_pad(params->primary, primary, sizeof(params->primary)); in bond_check_params()
6322 memcpy(params->arp_targets, arp_target, sizeof(arp_target)); in bond_check_params()
6324 memset(params->ns_targets, 0, sizeof(struct in6_addr) * BOND_MAX_NS_TARGETS); in bond_check_params()
6338 bond->wq = alloc_ordered_workqueue(bond_dev->name, WQ_MEM_RECLAIM); in bond_init()
6339 if (!bond->wq) in bond_init()
6340 return -ENOMEM; in bond_init()
6342 bond->notifier_ctx = false; in bond_init()
6344 spin_lock_init(&bond->stats_lock); in bond_init()
6347 list_add_tail(&bond->bond_list, &bn->dev_list); in bond_init()
6354 if (is_zero_ether_addr(bond_dev->dev_addr) && in bond_init()
6355 bond_dev->addr_assign_type == NET_ADDR_PERM) in bond_init()
6375 int res = -ENOMEM; in bond_create()
6387 bond_dev->rtnl_link_ops = &bond_link_ops; in bond_create()
6408 bn->net = net; in bond_net_init()
6409 INIT_LIST_HEAD(&bn->dev_list); in bond_net_init()
6434 list_for_each_entry_safe(bond, tmp_bond, &bn->dev_list, bond_list) in bond_net_exit_batch()
6435 unregister_netdevice_queue(bond->dev, &list); in bond_net_exit_batch()