Lines Matching +full:xs +full:- +full:phy
75 #include <linux/phy.h>
95 /*---------------------------- Module parameters ----------------------------*/
145 MODULE_PARM_DESC(mode, "Mode of operation; 0 for balance-rr, "
146 "1 for active-backup, 2 for balance-xor, "
147 "3 for broadcast, 4 for 802.3ad, 5 for balance-tlb, "
148 "6 for balance-alb");
170 MODULE_PARM_DESC(xmit_hash_policy, "balance-alb, balance-tlb, balance-xor, 802.3ad hashing method; "
185 MODULE_PARM_DESC(fail_over_mac, "For active-backup, do not set all slaves to "
196 MODULE_PARM_DESC(packets_per_slave, "Packets to send per slave in balance-rr "
204 /*----------------------------- Global variables ----------------------------*/
257 /*-------------------------- Forward declarations ---------------------------*/
268 /*---------------------------- General routines -----------------------------*/
273 [BOND_MODE_ROUNDROBIN] = "load balancing (round-robin)", in bond_mode_name()
274 [BOND_MODE_ACTIVEBACKUP] = "fault-tolerance (active-backup)", in bond_mode_name()
276 [BOND_MODE_BROADCAST] = "fault-tolerance (broadcast)", in bond_mode_name()
289 * bond_dev_queue_xmit - Prepare skb for xmit.
298 skb->dev = slave_dev; in bond_dev_queue_xmit()
300 BUILD_BUG_ON(sizeof(skb->queue_mapping) != in bond_dev_queue_xmit()
301 sizeof(qdisc_skb_cb(skb)->slave_dev_queue_mapping)); in bond_dev_queue_xmit()
302 skb_set_queue_mapping(skb, qdisc_skb_cb(skb)->slave_dev_queue_mapping); in bond_dev_queue_xmit()
304 if (unlikely(netpoll_tx_running(bond->dev))) in bond_dev_queue_xmit()
315 if (bond->params.xmit_policy == BOND_XMIT_POLICY_LAYER34) in bond_sk_check()
334 if (bond->params.xmit_policy != BOND_XMIT_POLICY_VLAN_SRCMAC) in bond_xdp_check()
342 /*---------------------------------- VLAN -----------------------------------*/
361 * bond_vlan_rx_add_vid - Propagates adding an id to slaves
375 res = vlan_vid_add(slave->dev, proto, vid); in bond_vlan_rx_add_vid()
388 vlan_vid_del(rollback_slave->dev, proto, vid); in bond_vlan_rx_add_vid()
395 * bond_vlan_rx_kill_vid - Propagates deleting an id to slaves
408 vlan_vid_del(slave->dev, proto, vid); in bond_vlan_rx_kill_vid()
416 /*---------------------------------- XFRM -----------------------------------*/
420 * bond_ipsec_add_sa - program device with a security association
421 * @xs: pointer to transformer state struct
423 static int bond_ipsec_add_sa(struct xfrm_state *xs) in bond_ipsec_add_sa() argument
425 struct net_device *bond_dev = xs->xso.dev; in bond_ipsec_add_sa()
432 return -EINVAL; in bond_ipsec_add_sa()
436 slave = rcu_dereference(bond->curr_active_slave); in bond_ipsec_add_sa()
439 return -ENODEV; in bond_ipsec_add_sa()
442 if (!slave->dev->xfrmdev_ops || in bond_ipsec_add_sa()
443 !slave->dev->xfrmdev_ops->xdo_dev_state_add || in bond_ipsec_add_sa()
444 netif_is_bond_master(slave->dev)) { in bond_ipsec_add_sa()
445 slave_warn(bond_dev, slave->dev, "Slave does not support ipsec offload\n"); in bond_ipsec_add_sa()
447 return -EINVAL; in bond_ipsec_add_sa()
453 return -ENOMEM; in bond_ipsec_add_sa()
455 xs->xso.real_dev = slave->dev; in bond_ipsec_add_sa()
457 err = slave->dev->xfrmdev_ops->xdo_dev_state_add(xs); in bond_ipsec_add_sa()
459 ipsec->xs = xs; in bond_ipsec_add_sa()
460 INIT_LIST_HEAD(&ipsec->list); in bond_ipsec_add_sa()
461 spin_lock_bh(&bond->ipsec_lock); in bond_ipsec_add_sa()
462 list_add(&ipsec->list, &bond->ipsec_list); in bond_ipsec_add_sa()
463 spin_unlock_bh(&bond->ipsec_lock); in bond_ipsec_add_sa()
473 struct net_device *bond_dev = bond->dev; in bond_ipsec_add_sa_all()
478 slave = rcu_dereference(bond->curr_active_slave); in bond_ipsec_add_sa_all()
482 if (!slave->dev->xfrmdev_ops || in bond_ipsec_add_sa_all()
483 !slave->dev->xfrmdev_ops->xdo_dev_state_add || in bond_ipsec_add_sa_all()
484 netif_is_bond_master(slave->dev)) { in bond_ipsec_add_sa_all()
485 spin_lock_bh(&bond->ipsec_lock); in bond_ipsec_add_sa_all()
486 if (!list_empty(&bond->ipsec_list)) in bond_ipsec_add_sa_all()
487 slave_warn(bond_dev, slave->dev, in bond_ipsec_add_sa_all()
490 spin_unlock_bh(&bond->ipsec_lock); in bond_ipsec_add_sa_all()
494 spin_lock_bh(&bond->ipsec_lock); in bond_ipsec_add_sa_all()
495 list_for_each_entry(ipsec, &bond->ipsec_list, list) { in bond_ipsec_add_sa_all()
496 ipsec->xs->xso.real_dev = slave->dev; in bond_ipsec_add_sa_all()
497 if (slave->dev->xfrmdev_ops->xdo_dev_state_add(ipsec->xs)) { in bond_ipsec_add_sa_all()
498 slave_warn(bond_dev, slave->dev, "%s: failed to add SA\n", __func__); in bond_ipsec_add_sa_all()
499 ipsec->xs->xso.real_dev = NULL; in bond_ipsec_add_sa_all()
502 spin_unlock_bh(&bond->ipsec_lock); in bond_ipsec_add_sa_all()
508 * bond_ipsec_del_sa - clear out this specific SA
509 * @xs: pointer to transformer state struct
511 static void bond_ipsec_del_sa(struct xfrm_state *xs) in bond_ipsec_del_sa() argument
513 struct net_device *bond_dev = xs->xso.dev; in bond_ipsec_del_sa()
523 slave = rcu_dereference(bond->curr_active_slave); in bond_ipsec_del_sa()
528 if (!xs->xso.real_dev) in bond_ipsec_del_sa()
531 WARN_ON(xs->xso.real_dev != slave->dev); in bond_ipsec_del_sa()
533 if (!slave->dev->xfrmdev_ops || in bond_ipsec_del_sa()
534 !slave->dev->xfrmdev_ops->xdo_dev_state_delete || in bond_ipsec_del_sa()
535 netif_is_bond_master(slave->dev)) { in bond_ipsec_del_sa()
536 slave_warn(bond_dev, slave->dev, "%s: no slave xdo_dev_state_delete\n", __func__); in bond_ipsec_del_sa()
540 slave->dev->xfrmdev_ops->xdo_dev_state_delete(xs); in bond_ipsec_del_sa()
542 spin_lock_bh(&bond->ipsec_lock); in bond_ipsec_del_sa()
543 list_for_each_entry(ipsec, &bond->ipsec_list, list) { in bond_ipsec_del_sa()
544 if (ipsec->xs == xs) { in bond_ipsec_del_sa()
545 list_del(&ipsec->list); in bond_ipsec_del_sa()
550 spin_unlock_bh(&bond->ipsec_lock); in bond_ipsec_del_sa()
556 struct net_device *bond_dev = bond->dev; in bond_ipsec_del_sa_all()
561 slave = rcu_dereference(bond->curr_active_slave); in bond_ipsec_del_sa_all()
567 spin_lock_bh(&bond->ipsec_lock); in bond_ipsec_del_sa_all()
568 list_for_each_entry(ipsec, &bond->ipsec_list, list) { in bond_ipsec_del_sa_all()
569 if (!ipsec->xs->xso.real_dev) in bond_ipsec_del_sa_all()
572 if (!slave->dev->xfrmdev_ops || in bond_ipsec_del_sa_all()
573 !slave->dev->xfrmdev_ops->xdo_dev_state_delete || in bond_ipsec_del_sa_all()
574 netif_is_bond_master(slave->dev)) { in bond_ipsec_del_sa_all()
575 slave_warn(bond_dev, slave->dev, in bond_ipsec_del_sa_all()
579 slave->dev->xfrmdev_ops->xdo_dev_state_delete(ipsec->xs); in bond_ipsec_del_sa_all()
581 ipsec->xs->xso.real_dev = NULL; in bond_ipsec_del_sa_all()
583 spin_unlock_bh(&bond->ipsec_lock); in bond_ipsec_del_sa_all()
588 * bond_ipsec_offload_ok - can this packet use the xfrm hw offload
590 * @xs: pointer to transformer state struct
592 static bool bond_ipsec_offload_ok(struct sk_buff *skb, struct xfrm_state *xs) in bond_ipsec_offload_ok() argument
594 struct net_device *bond_dev = xs->xso.dev; in bond_ipsec_offload_ok()
602 curr_active = rcu_dereference(bond->curr_active_slave); in bond_ipsec_offload_ok()
603 real_dev = curr_active->dev; in bond_ipsec_offload_ok()
610 if (!xs->xso.real_dev) { in bond_ipsec_offload_ok()
615 if (!real_dev->xfrmdev_ops || in bond_ipsec_offload_ok()
616 !real_dev->xfrmdev_ops->xdo_dev_offload_ok || in bond_ipsec_offload_ok()
622 err = real_dev->xfrmdev_ops->xdo_dev_offload_ok(skb, xs); in bond_ipsec_offload_ok()
635 /*------------------------------- Link status -------------------------------*/
655 if (slave->link == BOND_LINK_UP) { in bond_set_carrier()
656 if (!netif_carrier_ok(bond->dev)) { in bond_set_carrier()
657 netif_carrier_on(bond->dev); in bond_set_carrier()
665 if (netif_carrier_ok(bond->dev)) { in bond_set_carrier()
666 netif_carrier_off(bond->dev); in bond_set_carrier()
674 * values are invalid, set speed and duplex to -1,
680 struct net_device *slave_dev = slave->dev; in bond_update_speed_duplex()
684 slave->speed = SPEED_UNKNOWN; in bond_update_speed_duplex()
685 slave->duplex = DUPLEX_UNKNOWN; in bond_update_speed_duplex()
690 if (ecmd.base.speed == 0 || ecmd.base.speed == ((__u32)-1)) in bond_update_speed_duplex()
700 slave->speed = ecmd.base.speed; in bond_update_speed_duplex()
701 slave->duplex = ecmd.base.duplex; in bond_update_speed_duplex()
731 * If reporting is non-zero, instead of faking link up, return -1 if
740 const struct net_device_ops *slave_ops = slave_dev->netdev_ops; in bond_check_dev_link()
748 if (bond->params.use_carrier) in bond_check_dev_link()
752 if (slave_dev->ethtool_ops->get_link) in bond_check_dev_link()
753 return slave_dev->ethtool_ops->get_link(slave_dev) ? in bond_check_dev_link()
757 ioctl = slave_ops->ndo_eth_ioctl; in bond_check_dev_link()
772 strscpy_pad(ifr.ifr_name, slave_dev->name, IFNAMSIZ); in bond_check_dev_link()
775 mii->reg_num = MII_BMSR; in bond_check_dev_link()
777 return mii->val_out & BMSR_LSTATUS; in bond_check_dev_link()
786 return reporting ? -1 : BMSR_LSTATUS; in bond_check_dev_link()
789 /*----------------------------- Multicast list ------------------------------*/
798 struct slave *curr_active = rtnl_dereference(bond->curr_active_slave); in bond_set_promiscuity()
801 err = dev_set_promiscuity(curr_active->dev, inc); in bond_set_promiscuity()
806 err = dev_set_promiscuity(slave->dev, inc); in bond_set_promiscuity()
821 struct slave *curr_active = rtnl_dereference(bond->curr_active_slave); in bond_set_allmulti()
824 err = dev_set_allmulti(curr_active->dev, inc); in bond_set_allmulti()
829 err = dev_set_allmulti(slave->dev, inc); in bond_set_allmulti()
847 queue_delayed_work(bond->wq, &bond->mcast_work, 1); in bond_resend_igmp_join_requests_delayed()
850 call_netdevice_notifiers(NETDEV_RESEND_IGMP, bond->dev); in bond_resend_igmp_join_requests_delayed()
852 if (bond->igmp_retrans > 1) { in bond_resend_igmp_join_requests_delayed()
853 bond->igmp_retrans--; in bond_resend_igmp_join_requests_delayed()
854 queue_delayed_work(bond->wq, &bond->mcast_work, HZ/5); in bond_resend_igmp_join_requests_delayed()
872 /*--------------------------- Active slave change ---------------------------*/
883 if (bond->dev->flags & IFF_PROMISC) in bond_hw_addr_swap()
884 dev_set_promiscuity(old_active->dev, -1); in bond_hw_addr_swap()
886 if (bond->dev->flags & IFF_ALLMULTI) in bond_hw_addr_swap()
887 dev_set_allmulti(old_active->dev, -1); in bond_hw_addr_swap()
889 if (bond->dev->flags & IFF_UP) in bond_hw_addr_swap()
890 bond_hw_addr_flush(bond->dev, old_active->dev); in bond_hw_addr_swap()
895 if (bond->dev->flags & IFF_PROMISC) in bond_hw_addr_swap()
896 dev_set_promiscuity(new_active->dev, 1); in bond_hw_addr_swap()
898 if (bond->dev->flags & IFF_ALLMULTI) in bond_hw_addr_swap()
899 dev_set_allmulti(new_active->dev, 1); in bond_hw_addr_swap()
901 if (bond->dev->flags & IFF_UP) { in bond_hw_addr_swap()
902 netif_addr_lock_bh(bond->dev); in bond_hw_addr_swap()
903 dev_uc_sync(new_active->dev, bond->dev); in bond_hw_addr_swap()
904 dev_mc_sync(new_active->dev, bond->dev); in bond_hw_addr_swap()
905 netif_addr_unlock_bh(bond->dev); in bond_hw_addr_swap()
911 * bond_set_dev_addr - clone slave's address to bond
922 slave_dbg(bond_dev, slave_dev, "bond_dev=%p slave_dev=%p slave_dev->addr_len=%d\n", in bond_set_dev_addr()
923 bond_dev, slave_dev, slave_dev->addr_len); in bond_set_dev_addr()
924 err = dev_pre_changeaddr_notify(bond_dev, slave_dev->dev_addr, NULL); in bond_set_dev_addr()
928 __dev_addr_set(bond_dev, slave_dev->dev_addr, slave_dev->addr_len); in bond_set_dev_addr()
929 bond_dev->addr_assign_type = NET_ADDR_STOLEN; in bond_set_dev_addr()
944 if (ether_addr_equal(bond->dev->dev_addr, slave->dev->dev_addr)) in bond_get_old_active()
965 switch (bond->params.fail_over_mac) { in bond_do_fail_over_mac()
968 rv = bond_set_dev_addr(bond->dev, new_active->dev); in bond_do_fail_over_mac()
970 slave_err(bond->dev, new_active->dev, "Error %d setting bond MAC from slave\n", in bond_do_fail_over_mac()
971 -rv); in bond_do_fail_over_mac()
986 bond_hw_addr_copy(tmp_mac, new_active->dev->dev_addr, in bond_do_fail_over_mac()
987 new_active->dev->addr_len); in bond_do_fail_over_mac()
989 old_active->dev->dev_addr, in bond_do_fail_over_mac()
990 old_active->dev->addr_len); in bond_do_fail_over_mac()
991 ss.ss_family = new_active->dev->type; in bond_do_fail_over_mac()
993 bond_hw_addr_copy(ss.__data, bond->dev->dev_addr, in bond_do_fail_over_mac()
994 bond->dev->addr_len); in bond_do_fail_over_mac()
995 ss.ss_family = bond->dev->type; in bond_do_fail_over_mac()
998 rv = dev_set_mac_address(new_active->dev, in bond_do_fail_over_mac()
1001 slave_err(bond->dev, new_active->dev, "Error %d setting MAC of new active slave\n", in bond_do_fail_over_mac()
1002 -rv); in bond_do_fail_over_mac()
1010 new_active->dev->addr_len); in bond_do_fail_over_mac()
1011 ss.ss_family = old_active->dev->type; in bond_do_fail_over_mac()
1013 rv = dev_set_mac_address(old_active->dev, in bond_do_fail_over_mac()
1016 slave_err(bond->dev, old_active->dev, "Error %d setting MAC of old active slave\n", in bond_do_fail_over_mac()
1017 -rv); in bond_do_fail_over_mac()
1021 netdev_err(bond->dev, "bond_do_fail_over_mac impossible: bad policy %d\n", in bond_do_fail_over_mac()
1022 bond->params.fail_over_mac); in bond_do_fail_over_mac()
1029 * bond_choose_primary_or_current - select the primary or high priority slave
1032 * - Check if there is a primary link. If the primary link was set and is up,
1035 * - If primary link is not set or down, find the highest priority link.
1041 struct slave *prim = rtnl_dereference(bond->primary_slave); in bond_choose_primary_or_current()
1042 struct slave *curr = rtnl_dereference(bond->curr_active_slave); in bond_choose_primary_or_current()
1046 if (!prim || prim->link != BOND_LINK_UP) { in bond_choose_primary_or_current()
1048 if (slave->link == BOND_LINK_UP) { in bond_choose_primary_or_current()
1050 if (slave->prio > hprio->prio) in bond_choose_primary_or_current()
1060 if (!curr || curr->link != BOND_LINK_UP) in bond_choose_primary_or_current()
1065 if (bond->force_primary) { in bond_choose_primary_or_current()
1066 bond->force_primary = false; in bond_choose_primary_or_current()
1071 if (!curr || curr->link != BOND_LINK_UP) in bond_choose_primary_or_current()
1075 switch (bond->params.primary_reselect) { in bond_choose_primary_or_current()
1079 if (prim->speed < curr->speed) in bond_choose_primary_or_current()
1081 if (prim->speed == curr->speed && prim->duplex <= curr->duplex) in bond_choose_primary_or_current()
1087 netdev_err(bond->dev, "impossible primary_reselect %d\n", in bond_choose_primary_or_current()
1088 bond->params.primary_reselect); in bond_choose_primary_or_current()
1094 * bond_find_best_slave - select the best available slave to be the active one
1101 int mintime = bond->params.updelay; in bond_find_best_slave()
1108 if (slave->link == BOND_LINK_UP) in bond_find_best_slave()
1110 if (slave->link == BOND_LINK_BACK && bond_slave_is_up(slave) && in bond_find_best_slave()
1111 slave->delay < mintime) { in bond_find_best_slave()
1112 mintime = slave->delay; in bond_find_best_slave()
1125 slave = rcu_dereference(bond->curr_active_slave); in bond_should_notify_peers()
1128 if (!slave || !bond->send_peer_notif || in bond_should_notify_peers()
1129 bond->send_peer_notif % in bond_should_notify_peers()
1130 max(1, bond->params.peer_notif_delay) != 0 || in bond_should_notify_peers()
1131 !netif_carrier_ok(bond->dev) || in bond_should_notify_peers()
1132 test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state)) in bond_should_notify_peers()
1135 netdev_dbg(bond->dev, "bond_should_notify_peers: slave %s\n", in bond_should_notify_peers()
1136 slave ? slave->dev->name : "NULL"); in bond_should_notify_peers()
1142 * bond_change_active_slave - change the active slave into the specified one
1148 * Setting include flags, mc-list, promiscuity, allmulti, etc.
1162 old_active = rtnl_dereference(bond->curr_active_slave); in bond_change_active_slave()
1172 new_active->last_link_up = jiffies; in bond_change_active_slave()
1174 if (new_active->link == BOND_LINK_BACK) { in bond_change_active_slave()
1176 slave_info(bond->dev, new_active->dev, "making interface the new active one %d ms earlier\n", in bond_change_active_slave()
1177 (bond->params.updelay - new_active->delay) * bond->params.miimon); in bond_change_active_slave()
1180 new_active->delay = 0; in bond_change_active_slave()
1191 slave_info(bond->dev, new_active->dev, "making interface the new active one\n"); in bond_change_active_slave()
1207 rcu_assign_pointer(bond->curr_active_slave, new_active); in bond_change_active_slave()
1221 if (bond->params.fail_over_mac) in bond_change_active_slave()
1225 if (netif_running(bond->dev)) { in bond_change_active_slave()
1226 bond->send_peer_notif = in bond_change_active_slave()
1227 bond->params.num_peer_notif * in bond_change_active_slave()
1228 max(1, bond->params.peer_notif_delay); in bond_change_active_slave()
1233 call_netdevice_notifiers(NETDEV_BONDING_FAILOVER, bond->dev); in bond_change_active_slave()
1235 bond->send_peer_notif--; in bond_change_active_slave()
1237 bond->dev); in bond_change_active_slave()
1251 if (netif_running(bond->dev) && (bond->params.resend_igmp > 0) && in bond_change_active_slave()
1254 bond->igmp_retrans = bond->params.resend_igmp; in bond_change_active_slave()
1255 queue_delayed_work(bond->wq, &bond->mcast_work, 1); in bond_change_active_slave()
1260 * bond_select_active_slave - select a new active slave, if needed
1264 * - The old curr_active_slave has been released or lost its link.
1265 * - The primary_slave has got its link back.
1266 * - A slave has got its link back and there's no old curr_active_slave.
1278 if (best_slave != rtnl_dereference(bond->curr_active_slave)) { in bond_select_active_slave()
1284 if (netif_carrier_ok(bond->dev)) in bond_select_active_slave()
1285 netdev_info(bond->dev, "active interface up!\n"); in bond_select_active_slave()
1287 netdev_info(bond->dev, "now running without any active interface!\n"); in bond_select_active_slave()
1298 err = -ENOMEM; in slave_enable_netpoll()
1302 err = __netpoll_setup(np, slave->dev); in slave_enable_netpoll()
1307 slave->np = np; in slave_enable_netpoll()
1313 struct netpoll *np = slave->np; in slave_disable_netpoll()
1318 slave->np = NULL; in slave_disable_netpoll()
1340 SLAVE_AD_INFO(slave)->port.aggregator; in bond_poll_controller()
1343 agg->aggregator_identifier != ad_info.aggregator_id) in bond_poll_controller()
1347 netpoll_poll_dev(slave->dev); in bond_poll_controller()
1391 /*---------------------------------- IOCTL ----------------------------------*/
1415 slave->dev->features, in bond_fix_features()
1444 struct net_device *bond_dev = bond->dev; in bond_compute_features()
1458 slave->dev->vlan_features, BOND_VLAN_FEATURES); in bond_compute_features()
1461 slave->dev->hw_enc_features, in bond_compute_features()
1466 slave->dev->hw_enc_features, in bond_compute_features()
1471 slave->dev->mpls_features, in bond_compute_features()
1474 dst_release_flag &= slave->dev->priv_flags; in bond_compute_features()
1475 if (slave->dev->hard_header_len > max_hard_header_len) in bond_compute_features()
1476 max_hard_header_len = slave->dev->hard_header_len; in bond_compute_features()
1478 tso_max_size = min(tso_max_size, slave->dev->tso_max_size); in bond_compute_features()
1479 tso_max_segs = min(tso_max_segs, slave->dev->tso_max_segs); in bond_compute_features()
1481 bond_dev->hard_header_len = max_hard_header_len; in bond_compute_features()
1484 bond_dev->vlan_features = vlan_features; in bond_compute_features()
1485 bond_dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL | in bond_compute_features()
1489 bond_dev->hw_enc_features |= xfrm_features; in bond_compute_features()
1491 bond_dev->mpls_features = mpls_features; in bond_compute_features()
1495 bond_dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; in bond_compute_features()
1496 if ((bond_dev->priv_flags & IFF_XMIT_DST_RELEASE_PERM) && in bond_compute_features()
1498 bond_dev->priv_flags |= IFF_XMIT_DST_RELEASE; in bond_compute_features()
1506 bond_dev->header_ops = slave_dev->header_ops; in bond_setup_by_slave()
1508 bond_dev->type = slave_dev->type; in bond_setup_by_slave()
1509 bond_dev->hard_header_len = slave_dev->hard_header_len; in bond_setup_by_slave()
1510 bond_dev->needed_headroom = slave_dev->needed_headroom; in bond_setup_by_slave()
1511 bond_dev->addr_len = slave_dev->addr_len; in bond_setup_by_slave()
1513 memcpy(bond_dev->broadcast, slave_dev->broadcast, in bond_setup_by_slave()
1514 slave_dev->addr_len); in bond_setup_by_slave()
1518 * duplicates except for alb non-mcast/bcast.
1526 skb->pkt_type != PACKET_BROADCAST && in bond_should_deliver_exact_match()
1527 skb->pkt_type != PACKET_MULTICAST) in bond_should_deliver_exact_match()
1549 slave = bond_slave_get_rcu(skb->dev); in bond_handle_frame()
1550 bond = slave->bond; in bond_handle_frame()
1552 recv_probe = READ_ONCE(bond->recv_probe); in bond_handle_frame()
1563 * be suppressed we want to make an exception for link-local packets. in bond_handle_frame()
1569 * (including link-local ones) can have their originating interface in bond_handle_frame()
1573 if (is_link_local_ether_addr(eth_hdr(skb)->h_dest)) in bond_handle_frame()
1578 skb->dev = bond->dev; in bond_handle_frame()
1581 netif_is_bridge_port(bond->dev) && in bond_handle_frame()
1582 skb->pkt_type == PACKET_HOST) { in bond_handle_frame()
1585 skb->data - skb_mac_header(skb)))) { in bond_handle_frame()
1589 bond_hw_addr_copy(eth_hdr(skb)->h_dest, bond->dev->dev_addr, in bond_handle_frame()
1590 bond->dev->addr_len); in bond_handle_frame()
1619 switch (bond->params.xmit_policy) { in bond_lag_hash_type()
1647 return netdev_master_upper_dev_link(slave->dev, bond->dev, slave, in bond_master_upper_dev_link()
1653 netdev_upper_dev_unlink(slave->dev, bond->dev); in bond_upper_dev_unlink()
1654 slave->dev->flags &= ~IFF_SLAVE; in bond_upper_dev_unlink()
1662 cancel_delayed_work_sync(&slave->notify_work); in slave_kobj_release()
1680 err = kobject_init_and_add(&slave->kobj, &slave_ktype, in bond_kobj_init()
1681 &(slave->dev->dev.kobj), "bonding_slave"); in bond_kobj_init()
1683 kobject_put(&slave->kobj); in bond_kobj_init()
1697 slave->bond = bond; in bond_alloc_slave()
1698 slave->dev = slave_dev; in bond_alloc_slave()
1699 INIT_DELAYED_WORK(&slave->notify_work, bond_netdev_notify_work); in bond_alloc_slave()
1708 kobject_put(&slave->kobj); in bond_alloc_slave()
1718 info->bond_mode = BOND_MODE(bond); in bond_fill_ifbond()
1719 info->miimon = bond->params.miimon; in bond_fill_ifbond()
1720 info->num_slaves = bond->slave_cnt; in bond_fill_ifbond()
1725 strcpy(info->slave_name, slave->dev->name); in bond_fill_ifslave()
1726 info->link = slave->link; in bond_fill_ifslave()
1727 info->state = bond_slave_state(slave); in bond_fill_ifslave()
1728 info->link_failure_count = slave->link_failure_count; in bond_fill_ifslave()
1740 bond_fill_ifbond(slave->bond, &binfo.master); in bond_netdev_notify_work()
1741 netdev_bonding_info_change(slave->dev, &binfo); in bond_netdev_notify_work()
1744 queue_delayed_work(slave->bond->wq, &slave->notify_work, 1); in bond_netdev_notify_work()
1750 queue_delayed_work(slave->bond->wq, &slave->notify_work, 0); in bond_queue_slave_event()
1757 info.link_up = slave->link == BOND_LINK_UP || in bond_lower_state_changed()
1758 slave->link == BOND_LINK_FAIL; in bond_lower_state_changed()
1760 netdev_lower_state_changed(slave->dev, &info); in bond_lower_state_changed()
1782 const struct net_device_ops *slave_ops = slave_dev->netdev_ops; in bond_enslave()
1788 if (slave_dev->flags & IFF_MASTER && in bond_enslave()
1792 return -EPERM; in bond_enslave()
1795 if (!bond->params.use_carrier && in bond_enslave()
1796 slave_dev->ethtool_ops->get_link == NULL && in bond_enslave()
1797 slave_ops->ndo_eth_ioctl == NULL) { in bond_enslave()
1801 /* already in-use? */ in bond_enslave()
1805 return -EBUSY; in bond_enslave()
1810 return -EPERM; in bond_enslave()
1815 if (slave_dev->features & NETIF_F_VLAN_CHALLENGED) { in bond_enslave()
1820 return -EPERM; in bond_enslave()
1828 if (slave_dev->features & NETIF_F_HW_ESP) in bond_enslave()
1829 slave_dbg(bond_dev, slave_dev, "is esp-hw-offload capable\n"); in bond_enslave()
1836 if (slave_dev->flags & IFF_UP) { in bond_enslave()
1839 return -EPERM; in bond_enslave()
1842 /* set bonding device ether type by slave - bonding netdevices are in bond_enslave()
1846 * bond ether type mutual exclusion - don't allow slaves of dissimilar in bond_enslave()
1850 if (bond_dev->type != slave_dev->type) { in bond_enslave()
1852 bond_dev->type, slave_dev->type); in bond_enslave()
1859 return -EBUSY; in bond_enslave()
1866 if (slave_dev->type != ARPHRD_ETHER) in bond_enslave()
1870 bond_dev->priv_flags &= ~IFF_TX_SKB_SHARING; in bond_enslave()
1876 } else if (bond_dev->type != slave_dev->type) { in bond_enslave()
1879 return -EINVAL; in bond_enslave()
1882 if (slave_dev->type == ARPHRD_INFINIBAND && in bond_enslave()
1885 "Only active-backup mode is supported for infiniband slaves"); in bond_enslave()
1886 res = -EOPNOTSUPP; in bond_enslave()
1890 if (!slave_ops->ndo_set_mac_address || in bond_enslave()
1891 slave_dev->type == ARPHRD_INFINIBAND) { in bond_enslave()
1894 bond->params.fail_over_mac != BOND_FOM_ACTIVE) { in bond_enslave()
1896 bond->params.fail_over_mac = BOND_FOM_ACTIVE; in bond_enslave()
1897 slave_warn(bond_dev, slave_dev, "Setting fail_over_mac to active for active-backup mode\n"); in bond_enslave()
1901 res = -EOPNOTSUPP; in bond_enslave()
1913 bond->dev->addr_assign_type == NET_ADDR_RANDOM) { in bond_enslave()
1914 res = bond_set_dev_addr(bond->dev, slave_dev); in bond_enslave()
1921 res = -ENOMEM; in bond_enslave()
1928 new_slave->queue_id = 0; in bond_enslave()
1931 new_slave->original_mtu = slave_dev->mtu; in bond_enslave()
1932 res = dev_set_mtu(slave_dev, bond->dev->mtu); in bond_enslave()
1942 bond_hw_addr_copy(new_slave->perm_hwaddr, slave_dev->dev_addr, in bond_enslave()
1943 slave_dev->addr_len); in bond_enslave()
1945 if (!bond->params.fail_over_mac || in bond_enslave()
1950 memcpy(ss.__data, bond_dev->dev_addr, bond_dev->addr_len); in bond_enslave()
1951 ss.ss_family = slave_dev->type; in bond_enslave()
1961 slave_dev->flags |= IFF_SLAVE; in bond_enslave()
1970 slave_dev->priv_flags |= IFF_BONDING; in bond_enslave()
1972 dev_get_stats(new_slave->dev, &new_slave->slave_stats); in bond_enslave()
1991 new_slave->delay = 0; in bond_enslave()
1992 new_slave->link_failure_count = 0; in bond_enslave()
1996 new_slave->link = BOND_LINK_DOWN; in bond_enslave()
1998 new_slave->last_rx = jiffies - in bond_enslave()
1999 (msecs_to_jiffies(bond->params.arp_interval) + 1); in bond_enslave()
2001 new_slave->target_last_arp_rx[i] = new_slave->last_rx; in bond_enslave()
2003 new_slave->last_tx = new_slave->last_rx; in bond_enslave()
2005 if (bond->params.miimon && !bond->params.use_carrier) { in bond_enslave()
2008 if ((link_reporting == -1) && !bond->params.arp_interval) { in bond_enslave()
2018 } else if (link_reporting == -1) { in bond_enslave()
2025 new_slave->link = BOND_LINK_NOCHANGE; in bond_enslave()
2026 if (bond->params.miimon) { in bond_enslave()
2028 if (bond->params.updelay) { in bond_enslave()
2032 new_slave->delay = bond->params.updelay; in bond_enslave()
2042 } else if (bond->params.arp_interval) { in bond_enslave()
2052 if (new_slave->link != BOND_LINK_DOWN) in bond_enslave()
2053 new_slave->last_link_up = jiffies; in bond_enslave()
2055 new_slave->link == BOND_LINK_DOWN ? "DOWN" : in bond_enslave()
2056 (new_slave->link == BOND_LINK_UP ? "UP" : "BACK")); in bond_enslave()
2058 if (bond_uses_primary(bond) && bond->params.primary[0]) { in bond_enslave()
2060 if (strcmp(bond->params.primary, new_slave->dev->name) == 0) { in bond_enslave()
2061 rcu_assign_pointer(bond->primary_slave, new_slave); in bond_enslave()
2062 bond->force_primary = true; in bond_enslave()
2079 SLAVE_AD_INFO(new_slave)->id = 1; in bond_enslave()
2085 SLAVE_AD_INFO(new_slave)->id = in bond_enslave()
2086 SLAVE_AD_INFO(prev_slave)->id + 1; in bond_enslave()
2106 if (!rcu_access_pointer(bond->curr_active_slave) && in bond_enslave()
2107 new_slave->link == BOND_LINK_UP) in bond_enslave()
2108 rcu_assign_pointer(bond->curr_active_slave, new_slave); in bond_enslave()
2114 if (bond->dev->npinfo) { in bond_enslave()
2117 res = -EBUSY; in bond_enslave()
2123 if (!(bond_dev->features & NETIF_F_LRO)) in bond_enslave()
2152 if (bond_dev->flags & IFF_PROMISC) { in bond_enslave()
2159 if (bond_dev->flags & IFF_ALLMULTI) { in bond_enslave()
2162 if (bond_dev->flags & IFF_PROMISC) in bond_enslave()
2163 dev_set_promiscuity(slave_dev, -1); in bond_enslave()
2168 if (bond_dev->flags & IFF_UP) { in bond_enslave()
2179 bond->slave_cnt++; in bond_enslave()
2193 if (!slave_dev->netdev_ops->ndo_bpf || in bond_enslave()
2194 !slave_dev->netdev_ops->ndo_xdp_xmit) { in bond_enslave()
2195 if (bond->xdp_prog) { in bond_enslave()
2198 res = -EOPNOTSUPP; in bond_enslave()
2201 } else if (bond->xdp_prog) { in bond_enslave()
2205 .prog = bond->xdp_prog, in bond_enslave()
2212 res = -EOPNOTSUPP; in bond_enslave()
2216 res = slave_dev->netdev_ops->ndo_bpf(slave_dev, &xdp); in bond_enslave()
2222 if (bond->xdp_prog) in bond_enslave()
2223 bpf_prog_inc(bond->xdp_prog); in bond_enslave()
2228 new_slave->link != BOND_LINK_DOWN ? "an up" : "a down"); in bond_enslave()
2246 if (rcu_access_pointer(bond->primary_slave) == new_slave) in bond_enslave()
2247 RCU_INIT_POINTER(bond->primary_slave, NULL); in bond_enslave()
2248 if (rcu_access_pointer(bond->curr_active_slave) == new_slave) { in bond_enslave()
2260 slave_dev->priv_flags &= ~IFF_BONDING; in bond_enslave()
2264 slave_dev->flags &= ~IFF_SLAVE; in bond_enslave()
2265 if (!bond->params.fail_over_mac || in bond_enslave()
2267 /* XXX TODO - fom follow mode needs to change master's in bond_enslave()
2271 bond_hw_addr_copy(ss.__data, new_slave->perm_hwaddr, in bond_enslave()
2272 new_slave->dev->addr_len); in bond_enslave()
2273 ss.ss_family = slave_dev->type; in bond_enslave()
2278 dev_set_mtu(slave_dev, new_slave->original_mtu); in bond_enslave()
2281 kobject_put(&new_slave->kobj); in bond_enslave()
2286 if (ether_addr_equal_64bits(bond_dev->dev_addr, in bond_enslave()
2287 slave_dev->dev_addr)) in bond_enslave()
2289 if (bond_dev->type != ARPHRD_ETHER) { in bond_enslave()
2292 bond_dev->flags |= IFF_MASTER; in bond_enslave()
2293 bond_dev->priv_flags &= ~IFF_TX_SKB_SHARING; in bond_enslave()
2302 * is RTNL-locked. If "all" is true it means that the function is being called
2318 int old_flags = bond_dev->flags; in __bond_release_one()
2319 netdev_features_t old_features = bond_dev->features; in __bond_release_one()
2322 if (!(slave_dev->flags & IFF_SLAVE) || in __bond_release_one()
2325 return -EINVAL; in __bond_release_one()
2335 return -EINVAL; in __bond_release_one()
2343 bond_get_stats(bond->dev, &bond->bond_stats); in __bond_release_one()
2345 if (bond->xdp_prog) { in __bond_release_one()
2352 if (slave_dev->netdev_ops->ndo_bpf(slave_dev, &xdp)) in __bond_release_one()
2372 oldcurrent = rcu_access_pointer(bond->curr_active_slave); in __bond_release_one()
2374 RCU_INIT_POINTER(bond->current_arp_slave, NULL); in __bond_release_one()
2376 if (!all && (!bond->params.fail_over_mac || in __bond_release_one()
2378 if (ether_addr_equal_64bits(bond_dev->dev_addr, slave->perm_hwaddr) && in __bond_release_one()
2380 …slave_warn(bond_dev, slave_dev, "the permanent HWaddr of slave - %pM - is still in use by bond - s… in __bond_release_one()
2381 slave->perm_hwaddr); in __bond_release_one()
2384 if (rtnl_dereference(bond->primary_slave) == slave) in __bond_release_one()
2385 RCU_INIT_POINTER(bond->primary_slave, NULL); in __bond_release_one()
2400 RCU_INIT_POINTER(bond->curr_active_slave, NULL); in __bond_release_one()
2415 bond->slave_cnt--; in __bond_release_one()
2418 call_netdevice_notifiers(NETDEV_CHANGEADDR, bond->dev); in __bond_release_one()
2419 call_netdevice_notifiers(NETDEV_RELEASE, bond->dev); in __bond_release_one()
2423 if (!(bond_dev->features & NETIF_F_VLAN_CHALLENGED) && in __bond_release_one()
2425 …slave_info(bond_dev, slave_dev, "last VLAN challenged slave left bond - VLAN blocking is removed\n… in __bond_release_one()
2441 dev_set_promiscuity(slave_dev, -1); in __bond_release_one()
2445 dev_set_allmulti(slave_dev, -1); in __bond_release_one()
2456 if (bond->params.fail_over_mac != BOND_FOM_ACTIVE || in __bond_release_one()
2459 bond_hw_addr_copy(ss.__data, slave->perm_hwaddr, in __bond_release_one()
2460 slave->dev->addr_len); in __bond_release_one()
2461 ss.ss_family = slave_dev->type; in __bond_release_one()
2466 __dev_set_mtu(slave_dev, slave->original_mtu); in __bond_release_one()
2468 dev_set_mtu(slave_dev, slave->original_mtu); in __bond_release_one()
2471 slave_dev->priv_flags &= ~IFF_BONDING; in __bond_release_one()
2473 kobject_put(&slave->kobj); in __bond_release_one()
2495 bond_dev->reg_state != NETREG_UNREGISTERING) { in bond_release_and_destroy()
2496 bond_dev->priv_flags |= IFF_DISABLE_NETPOLL; in bond_release_and_destroy()
2515 int i = 0, res = -ENODEV; in bond_slave_info_query()
2519 if (i++ == (int)info->slave_id) { in bond_slave_info_query()
2529 /*-------------------------------- Monitoring -------------------------------*/
2539 ignore_updelay = !rcu_dereference(bond->curr_active_slave); in bond_miimon_inspect()
2544 link_state = bond_check_dev_link(bond, slave->dev, 0); in bond_miimon_inspect()
2546 switch (slave->link) { in bond_miimon_inspect()
2553 slave->delay = bond->params.downdelay; in bond_miimon_inspect()
2554 if (slave->delay) { in bond_miimon_inspect()
2555 slave_info(bond->dev, slave->dev, "link status down for %sinterface, disabling it in %d ms\n", in bond_miimon_inspect()
2560 bond->params.downdelay * bond->params.miimon); in bond_miimon_inspect()
2567 slave->last_link_up = jiffies; in bond_miimon_inspect()
2568 slave_info(bond->dev, slave->dev, "link status up again after %d ms\n", in bond_miimon_inspect()
2569 (bond->params.downdelay - slave->delay) * in bond_miimon_inspect()
2570 bond->params.miimon); in bond_miimon_inspect()
2575 if (slave->delay <= 0) { in bond_miimon_inspect()
2581 slave->delay--; in bond_miimon_inspect()
2590 slave->delay = bond->params.updelay; in bond_miimon_inspect()
2592 if (slave->delay) { in bond_miimon_inspect()
2593 slave_info(bond->dev, slave->dev, "link status up, enabling it in %d ms\n", in bond_miimon_inspect()
2595 bond->params.updelay * in bond_miimon_inspect()
2596 bond->params.miimon); in bond_miimon_inspect()
2602 slave_info(bond->dev, slave->dev, "link status down again after %d ms\n", in bond_miimon_inspect()
2603 (bond->params.updelay - slave->delay) * in bond_miimon_inspect()
2604 bond->params.miimon); in bond_miimon_inspect()
2610 slave->delay = 0; in bond_miimon_inspect()
2612 if (slave->delay <= 0) { in bond_miimon_inspect()
2619 slave->delay--; in bond_miimon_inspect()
2651 switch (slave->link_new_state) { in bond_miimon_commit()
2660 slave->link == BOND_LINK_UP) in bond_miimon_commit()
2667 slave->link = BOND_LINK_DOWN; in bond_miimon_commit()
2669 slave_warn(bond->dev, slave->dev, in bond_miimon_commit()
2675 slave->last_link_up = jiffies; in bond_miimon_commit()
2677 primary = rtnl_dereference(bond->primary_slave); in bond_miimon_commit()
2686 slave_info(bond->dev, slave->dev, "link status definitely up, %u Mbps %s duplex\n", in bond_miimon_commit()
2687 slave->speed == SPEED_UNKNOWN ? 0 : slave->speed, in bond_miimon_commit()
2688 slave->duplex ? "full" : "half"); in bond_miimon_commit()
2692 if (!bond->curr_active_slave || slave == primary) in bond_miimon_commit()
2698 if (slave->link_failure_count < UINT_MAX) in bond_miimon_commit()
2699 slave->link_failure_count++; in bond_miimon_commit()
2709 slave_info(bond->dev, slave->dev, "link status definitely down, disabling slave\n"); in bond_miimon_commit()
2713 if (slave == rcu_access_pointer(bond->curr_active_slave)) in bond_miimon_commit()
2719 slave_err(bond->dev, slave->dev, "invalid new link %d on slave\n", in bond_miimon_commit()
2720 slave->link_new_state); in bond_miimon_commit()
2752 delay = msecs_to_jiffies(bond->params.miimon); in bond_mii_monitor()
2760 if (bond->send_peer_notif) { in bond_mii_monitor()
2763 bond->send_peer_notif--; in bond_mii_monitor()
2787 if (bond->params.miimon) in bond_mii_monitor()
2788 queue_delayed_work(bond->wq, &bond->mii_work, delay); in bond_mii_monitor()
2793 call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, bond->dev); in bond_mii_monitor()
2801 __be32 ip = *(__be32 *)priv->data; in bond_upper_dev_walk()
2813 if (ip == bond_confirm_addr(bond->dev, 0, ip)) in bond_has_this_ip()
2817 if (netdev_walk_all_upper_dev_rcu(bond->dev, bond_upper_dev_walk, &priv)) in bond_has_this_ip()
2827 struct net_device *bond_dev = slave->bond->dev; in bond_handle_vlan()
2828 struct net_device *slave_dev = slave->dev; in bond_handle_vlan()
2831 if (!tags || tags->vlan_proto == VLAN_N_VID) in bond_handle_vlan()
2837 while (tags->vlan_proto != VLAN_N_VID) { in bond_handle_vlan()
2838 if (!tags->vlan_id) { in bond_handle_vlan()
2844 ntohs(outer_tag->vlan_proto), tags->vlan_id); in bond_handle_vlan()
2845 skb = vlan_insert_tag_set_proto(skb, tags->vlan_proto, in bond_handle_vlan()
2846 tags->vlan_id); in bond_handle_vlan()
2855 if (outer_tag->vlan_id) { in bond_handle_vlan()
2857 ntohs(outer_tag->vlan_proto), outer_tag->vlan_id); in bond_handle_vlan()
2858 __vlan_hwaccel_put_tag(skb, outer_tag->vlan_proto, in bond_handle_vlan()
2859 outer_tag->vlan_id); in bond_handle_vlan()
2867 * "native" to a VLAN) might not pass non-tagged frames.
2872 struct net_device *bond_dev = slave->bond->dev; in bond_arp_send()
2873 struct net_device *slave_dev = slave->dev; in bond_arp_send()
2880 NULL, slave_dev->dev_addr, NULL); in bond_arp_send()
2912 return ERR_PTR(-ENOMEM); in bond_verify_device_path()
2939 __be32 *targets = bond->params.arp_targets, addr; in bond_arp_send_all()
2943 slave_dbg(bond->dev, slave->dev, "%s: target %pI4\n", in bond_arp_send_all()
2948 rt = ip_route_output(dev_net(bond->dev), targets[i], 0, in bond_arp_send_all()
2951 /* there's no route to target - try to send arp in bond_arp_send_all()
2954 if (bond->params.arp_validate) in bond_arp_send_all()
2956 bond->dev->name, in bond_arp_send_all()
2964 if (rt->dst.dev == bond->dev) in bond_arp_send_all()
2968 tags = bond_verify_device_path(bond->dev, rt->dst.dev, 0); in bond_arp_send_all()
2974 /* Not our device - skip */ in bond_arp_send_all()
2975 slave_dbg(bond->dev, slave->dev, "no path to arp_ip_target %pI4 via rt.dev %s\n", in bond_arp_send_all()
2976 &targets[i], rt->dst.dev ? rt->dst.dev->name : "NULL"); in bond_arp_send_all()
2982 addr = bond_confirm_addr(rt->dst.dev, targets[i], 0); in bond_arp_send_all()
2994 slave_dbg(bond->dev, slave->dev, "%s: sip %pI4 tip %pI4 not found\n", in bond_validate_arp()
2999 i = bond_get_targets_ip(bond->params.arp_targets, sip); in bond_validate_arp()
3000 if (i == -1) { in bond_validate_arp()
3001 slave_dbg(bond->dev, slave->dev, "%s: sip %pI4 not found in targets\n", in bond_validate_arp()
3005 slave->last_rx = jiffies; in bond_validate_arp()
3006 slave->target_last_arp_rx[i] = jiffies; in bond_validate_arp()
3012 struct arphdr *arp = (struct arphdr *)skb->data; in bond_arp_rcv()
3018 alen = arp_hdr_len(bond->dev); in bond_arp_rcv()
3028 if (arp->ar_hln != bond->dev->addr_len || in bond_arp_rcv()
3029 skb->pkt_type == PACKET_OTHERHOST || in bond_arp_rcv()
3030 skb->pkt_type == PACKET_LOOPBACK || in bond_arp_rcv()
3031 arp->ar_hrd != htons(ARPHRD_ETHER) || in bond_arp_rcv()
3032 arp->ar_pro != htons(ETH_P_IP) || in bond_arp_rcv()
3033 arp->ar_pln != 4) in bond_arp_rcv()
3037 arp_ptr += bond->dev->addr_len; in bond_arp_rcv()
3039 arp_ptr += 4 + bond->dev->addr_len; in bond_arp_rcv()
3042 slave_dbg(bond->dev, slave->dev, "%s: %s/%d av %d sv %d sip %pI4 tip %pI4\n", in bond_arp_rcv()
3043 __func__, slave->dev->name, bond_slave_state(slave), in bond_arp_rcv()
3044 bond->params.arp_validate, slave_do_arp_validate(bond, slave), in bond_arp_rcv()
3047 curr_active_slave = rcu_dereference(bond->curr_active_slave); in bond_arp_rcv()
3048 curr_arp_slave = rcu_dereference(bond->current_arp_slave); in bond_arp_rcv()
3077 curr_active_slave->last_link_up)) in bond_arp_rcv()
3079 else if (curr_arp_slave && (arp->ar_op == htons(ARPOP_REPLY)) && in bond_arp_rcv()
3084 if (arp != (struct arphdr *)skb->data) in bond_arp_rcv()
3093 struct net_device *bond_dev = slave->bond->dev; in bond_ns_send()
3094 struct net_device *slave_dev = slave->dev; in bond_ns_send()
3116 struct in6_addr *targets = bond->params.ns_targets; in bond_ns_send_all()
3124 slave_dbg(bond->dev, slave->dev, "%s: target %pI6c\n", in bond_ns_send_all()
3131 fl6.flowi6_oif = bond->dev->ifindex; in bond_ns_send_all()
3133 dst = ip6_route_output(dev_net(bond->dev), NULL, &fl6); in bond_ns_send_all()
3134 if (dst->error) { in bond_ns_send_all()
3136 /* there's no route to target - try to send arp in bond_ns_send_all()
3139 if (bond->params.arp_validate) in bond_ns_send_all()
3141 bond->dev->name, in bond_ns_send_all()
3148 if (dst->dev == bond->dev) in bond_ns_send_all()
3152 tags = bond_verify_device_path(bond->dev, dst->dev, 0); in bond_ns_send_all()
3158 /* Not our device - skip */ in bond_ns_send_all()
3159 slave_dbg(bond->dev, slave->dev, "no path to ns_ip6_target %pI6c via dst->dev %s\n", in bond_ns_send_all()
3160 &targets[i], dst->dev ? dst->dev->name : "NULL"); in bond_ns_send_all()
3166 if (!ipv6_dev_get_saddr(dev_net(dst->dev), dst->dev, &targets[i], 0, &saddr)) in bond_ns_send_all()
3179 struct in6_addr *addr = (struct in6_addr *)priv->data; in bond_confirm_addr6()
3191 if (bond_confirm_addr6(bond->dev, &priv)) in bond_has_this_ip6()
3195 if (netdev_walk_all_upper_dev_rcu(bond->dev, bond_confirm_addr6, &priv)) in bond_has_this_ip6()
3209 * 2. Dest address is neither all-nodes multicast address nor in bond_validate_na()
3215 slave_dbg(bond->dev, slave->dev, "%s: sip %pI6c tip %pI6c not found\n", in bond_validate_na()
3220 i = bond_get_targets_ip6(bond->params.ns_targets, saddr); in bond_validate_na()
3221 if (i == -1) { in bond_validate_na()
3222 slave_dbg(bond->dev, slave->dev, "%s: sip %pI6c not found in targets\n", in bond_validate_na()
3226 slave->last_rx = jiffies; in bond_validate_na()
3227 slave->target_last_arp_rx[i] = jiffies; in bond_validate_na()
3240 if (skb->pkt_type == PACKET_OTHERHOST || in bond_na_rcv()
3241 skb->pkt_type == PACKET_LOOPBACK) in bond_na_rcv()
3245 if (!combined || combined->ip6.nexthdr != NEXTHDR_ICMP || in bond_na_rcv()
3246 combined->icmp6.icmp6_type != NDISC_NEIGHBOUR_ADVERTISEMENT) in bond_na_rcv()
3249 saddr = &combined->ip6.saddr; in bond_na_rcv()
3250 daddr = &combined->ip6.daddr; in bond_na_rcv()
3252 slave_dbg(bond->dev, slave->dev, "%s: %s/%d av %d sv %d sip %pI6c tip %pI6c\n", in bond_na_rcv()
3253 __func__, slave->dev->name, bond_slave_state(slave), in bond_na_rcv()
3254 bond->params.arp_validate, slave_do_arp_validate(bond, slave), in bond_na_rcv()
3257 curr_active_slave = rcu_dereference(bond->curr_active_slave); in bond_na_rcv()
3258 curr_arp_slave = rcu_dereference(bond->current_arp_slave); in bond_na_rcv()
3267 curr_active_slave->last_link_up)) in bond_na_rcv()
3282 bool is_ipv6 = skb->protocol == __cpu_to_be16(ETH_P_IPV6); in bond_rcv_validate()
3284 bool is_arp = skb->protocol == __cpu_to_be16(ETH_P_ARP); in bond_rcv_validate()
3286 slave_dbg(bond->dev, slave->dev, "%s: skb->dev %s\n", in bond_rcv_validate()
3287 __func__, skb->dev->name); in bond_rcv_validate()
3296 slave->last_rx = jiffies; in bond_rcv_validate()
3318 * (last_act - arp_interval) <= jiffies <= (last_act + mod * arp_interval +
3324 int delta_in_ticks = msecs_to_jiffies(bond->params.arp_interval); in bond_time_in_interval()
3327 last_act - delta_in_ticks, in bond_time_in_interval()
3333 * is used in load-balancing mode. if the adapter has been dormant, then an
3348 oldcurrent = rcu_dereference(bond->curr_active_slave); in bond_loadbalance_arp_mon()
3351 * the picture unless it is null. also, slave->last_link_up is not in bond_loadbalance_arp_mon()
3362 if (slave->link != BOND_LINK_UP) { in bond_loadbalance_arp_mon()
3364 bond_time_in_interval(bond, slave->last_rx, 1)) { in bond_loadbalance_arp_mon()
3369 /* primary_slave has no meaning in round-robin in bond_loadbalance_arp_mon()
3375 slave_info(bond->dev, slave->dev, "link status definitely up\n"); in bond_loadbalance_arp_mon()
3378 slave_info(bond->dev, slave->dev, "interface is now up\n"); in bond_loadbalance_arp_mon()
3382 /* slave->link == BOND_LINK_UP */ in bond_loadbalance_arp_mon()
3388 if (!bond_time_in_interval(bond, last_tx, bond->params.missed_max) || in bond_loadbalance_arp_mon()
3389 !bond_time_in_interval(bond, slave->last_rx, bond->params.missed_max)) { in bond_loadbalance_arp_mon()
3394 if (slave->link_failure_count < UINT_MAX) in bond_loadbalance_arp_mon()
3395 slave->link_failure_count++; in bond_loadbalance_arp_mon()
3397 slave_info(bond->dev, slave->dev, "interface is now down\n"); in bond_loadbalance_arp_mon()
3404 /* note: if switch is in round-robin mode, all links in bond_loadbalance_arp_mon()
3405 * must tx arp to ensure all links rx an arp - otherwise in bond_loadbalance_arp_mon()
3408 * do - all replies will be rx'ed on same link causing slaves in bond_loadbalance_arp_mon()
3422 if (slave->link_new_state != BOND_LINK_NOCHANGE) in bond_loadbalance_arp_mon()
3423 slave->link = slave->link_new_state; in bond_loadbalance_arp_mon()
3440 if (bond->params.arp_interval) in bond_loadbalance_arp_mon()
3441 queue_delayed_work(bond->wq, &bond->arp_work, in bond_loadbalance_arp_mon()
3442 msecs_to_jiffies(bond->params.arp_interval)); in bond_loadbalance_arp_mon()
3445 /* Called to inspect slaves for active-backup mode ARP monitor link state
3463 if (slave->link != BOND_LINK_UP) { in bond_ab_arp_inspect()
3467 } else if (slave->link == BOND_LINK_BACK) { in bond_ab_arp_inspect()
3478 if (bond_time_in_interval(bond, slave->last_link_up, 2)) in bond_ab_arp_inspect()
3482 * - No current_arp_slave AND in bond_ab_arp_inspect()
3483 * - more than (missed_max+1)*delta since last receive AND in bond_ab_arp_inspect()
3484 * - the bond has an IP address in bond_ab_arp_inspect()
3486 * Note: a non-null current_arp_slave indicates in bond_ab_arp_inspect()
3489 * we only take the curr_active_slave down - this in bond_ab_arp_inspect()
3494 !rcu_access_pointer(bond->current_arp_slave) && in bond_ab_arp_inspect()
3495 !bond_time_in_interval(bond, last_rx, bond->params.missed_max + 1)) { in bond_ab_arp_inspect()
3501 * - more than missed_max*delta since transmitting OR in bond_ab_arp_inspect()
3502 * - (more than missed_max*delta since receive AND in bond_ab_arp_inspect()
3507 (!bond_time_in_interval(bond, last_tx, bond->params.missed_max) || in bond_ab_arp_inspect()
3508 !bond_time_in_interval(bond, last_rx, bond->params.missed_max))) { in bond_ab_arp_inspect()
3518 * active-backup mode ARP monitor.
3529 switch (slave->link_new_state) { in bond_ab_arp_commit()
3535 if (rtnl_dereference(bond->curr_active_slave) != slave || in bond_ab_arp_commit()
3536 (!rtnl_dereference(bond->curr_active_slave) && in bond_ab_arp_commit()
3540 current_arp_slave = rtnl_dereference(bond->current_arp_slave); in bond_ab_arp_commit()
3547 RCU_INIT_POINTER(bond->current_arp_slave, NULL); in bond_ab_arp_commit()
3550 slave_info(bond->dev, slave->dev, "link status definitely up\n"); in bond_ab_arp_commit()
3552 if (!rtnl_dereference(bond->curr_active_slave) || in bond_ab_arp_commit()
3553 slave == rtnl_dereference(bond->primary_slave)) in bond_ab_arp_commit()
3561 if (slave->link_failure_count < UINT_MAX) in bond_ab_arp_commit()
3562 slave->link_failure_count++; in bond_ab_arp_commit()
3569 slave_info(bond->dev, slave->dev, "link status definitely down, disabling slave\n"); in bond_ab_arp_commit()
3571 if (slave == rtnl_dereference(bond->curr_active_slave)) { in bond_ab_arp_commit()
3572 RCU_INIT_POINTER(bond->current_arp_slave, NULL); in bond_ab_arp_commit()
3587 if (rtnl_dereference(bond->curr_active_slave)) in bond_ab_arp_commit()
3588 RCU_INIT_POINTER(bond->current_arp_slave, NULL); in bond_ab_arp_commit()
3592 slave_err(bond->dev, slave->dev, in bond_ab_arp_commit()
3594 slave->link_new_state); in bond_ab_arp_commit()
3607 /* Send ARP probes for active-backup mode ARP monitor.
3614 *curr_arp_slave = rcu_dereference(bond->current_arp_slave), in bond_ab_arp_probe()
3615 *curr_active_slave = rcu_dereference(bond->curr_active_slave); in bond_ab_arp_probe()
3621 netdev_info(bond->dev, "PROBE: c_arp %s && cas %s BAD\n", in bond_ab_arp_probe()
3622 curr_arp_slave->dev->name, in bond_ab_arp_probe()
3623 curr_active_slave->dev->name); in bond_ab_arp_probe()
3648 * mark it down - this can happen if we have in bond_ab_arp_probe()
3654 if (!bond_slave_is_up(slave) && slave->link == BOND_LINK_UP) { in bond_ab_arp_probe()
3657 if (slave->link_failure_count < UINT_MAX) in bond_ab_arp_probe()
3658 slave->link_failure_count++; in bond_ab_arp_probe()
3663 slave_info(bond->dev, slave->dev, "backup interface is now down\n"); in bond_ab_arp_probe()
3679 new_slave->last_link_up = jiffies; in bond_ab_arp_probe()
3680 rcu_assign_pointer(bond->current_arp_slave, new_slave); in bond_ab_arp_probe()
3684 if (slave->should_notify || slave->should_notify_link) { in bond_ab_arp_probe()
3698 delta_in_ticks = msecs_to_jiffies(bond->params.arp_interval); in bond_activebackup_arp_mon()
3727 if (bond->params.arp_interval) in bond_activebackup_arp_mon()
3728 queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks); in bond_activebackup_arp_mon()
3735 bond->send_peer_notif--; in bond_activebackup_arp_mon()
3737 bond->dev); in bond_activebackup_arp_mon()
3759 /*-------------------------- netdev event handling --------------------------*/
3814 bond_dev = slave->bond->dev; in bond_slave_netdev_event()
3815 bond = slave->bond; in bond_slave_netdev_event()
3816 primary = rtnl_dereference(bond->primary_slave); in bond_slave_netdev_event()
3822 if (bond_dev->type != ARPHRD_ETHER) in bond_slave_netdev_event()
3831 * in weird state. Mark it as link-fail if the link was in bond_slave_netdev_event()
3832 * previously up or link-down if it hasn't yet come up, and in bond_slave_netdev_event()
3833 * let link-monitoring (miimon) set it right when correct in bond_slave_netdev_event()
3838 if (slave->last_link_up) in bond_slave_netdev_event()
3839 slave->link = BOND_LINK_FAIL; in bond_slave_netdev_event()
3841 slave->link = BOND_LINK_DOWN; in bond_slave_netdev_event()
3848 /* Refresh slave-array if applicable! in bond_slave_netdev_event()
3849 * If the setup does not use miimon or arpmon (mode-specific!), in bond_slave_netdev_event()
3850 * then these events will not cause the slave-array to be in bond_slave_netdev_event()
3862 * an active-backup bond, slaves need in bond_slave_netdev_event()
3875 !bond->params.primary[0]) in bond_slave_netdev_event()
3879 /* slave's name changed - he's no longer primary */ in bond_slave_netdev_event()
3880 RCU_INIT_POINTER(bond->primary_slave, NULL); in bond_slave_netdev_event()
3881 } else if (!strcmp(slave_dev->name, bond->params.primary)) { in bond_slave_netdev_event()
3883 rcu_assign_pointer(bond->primary_slave, slave); in bond_slave_netdev_event()
3884 } else { /* we didn't change primary - exit */ in bond_slave_netdev_event()
3888 netdev_info(bond->dev, "Primary slave changed to %s, reselecting active slave\n", in bond_slave_netdev_event()
3889 primary ? slave_dev->name : "none"); in bond_slave_netdev_event()
3900 call_netdevice_notifiers(event, slave->bond->dev); in bond_slave_netdev_event()
3924 if (!(event_dev->priv_flags & IFF_BONDING)) in bond_netdev_event()
3927 if (event_dev->flags & IFF_MASTER) { in bond_netdev_event()
3935 if (event_dev->flags & IFF_SLAVE) in bond_netdev_event()
3945 /*---------------------------- Hashing Policies -----------------------------*/
3956 return skb->head; in bond_pull_data()
3971 return ep->h_dest[5] ^ ep->h_source[5] ^ be16_to_cpu(ep->h_proto); in bond_eth_hash()
3987 *nhoff += iph->ihl << 2; in bond_flow_ip()
3989 *ip_proto = iph->protocol; in bond_flow_ip()
3998 *ip_proto = iph6->nexthdr; in bond_flow_ip()
4004 fk->ports.ports = __skb_flow_get_ports(skb, *nhoff, *ip_proto, data, hlen); in bond_flow_ip()
4022 srcmac_vendor = (srcmac_vendor << 8) | mac_hdr->h_source[i]; in bond_vlan_srcmac_hash()
4025 srcmac_dev = (srcmac_dev << 8) | mac_hdr->h_source[i]; in bond_vlan_srcmac_hash()
4037 bool l34 = bond->params.xmit_policy == BOND_XMIT_POLICY_LAYER34; in bond_flow_dissect()
4038 int ip_proto = -1; in bond_flow_dissect()
4040 switch (bond->params.xmit_policy) { in bond_flow_dissect()
4050 fk->ports.ports = 0; in bond_flow_dissect()
4051 memset(&fk->icmp, 0, sizeof(fk->icmp)); in bond_flow_dissect()
4061 skb_flow_get_icmp_tci(skb, &fk->icmp, data, nhoff, hlen); in bond_flow_dissect()
4063 if (!icmp_is_err(fk->icmp.type)) in bond_flow_dissect()
4068 if (!icmpv6_is_err(fk->icmp.type)) in bond_flow_dissect()
4104 if (bond->params.xmit_policy == BOND_XMIT_POLICY_VLAN_SRCMAC) in __bond_xmit_hash()
4107 if (bond->params.xmit_policy == BOND_XMIT_POLICY_LAYER2 || in __bond_xmit_hash()
4111 if (bond->params.xmit_policy == BOND_XMIT_POLICY_LAYER23 || in __bond_xmit_hash()
4112 bond->params.xmit_policy == BOND_XMIT_POLICY_ENCAP23) { in __bond_xmit_hash()
4121 return bond_ip_hash(hash, &flow, bond->params.xmit_policy); in __bond_xmit_hash()
4125 * bond_xmit_hash - generate a hash value based on the xmit policy
4134 if (bond->params.xmit_policy == BOND_XMIT_POLICY_ENCAP34 && in bond_xmit_hash()
4135 skb->l4_hash) in bond_xmit_hash()
4136 return skb->hash; in bond_xmit_hash()
4138 return __bond_xmit_hash(bond, skb, skb->data, skb->protocol, in bond_xmit_hash()
4144 * bond_xmit_hash_xdp - generate a hash value based on the xmit policy
4154 if (xdp->data + sizeof(struct ethhdr) > xdp->data_end) in bond_xmit_hash_xdp()
4157 eth = (struct ethhdr *)xdp->data; in bond_xmit_hash_xdp()
4159 return __bond_xmit_hash(bond, NULL, xdp->data, eth->h_proto, 0, in bond_xmit_hash_xdp()
4160 sizeof(struct ethhdr), xdp->data_end - xdp->data); in bond_xmit_hash_xdp()
4163 /*-------------------------- Device entry points ----------------------------*/
4167 INIT_DELAYED_WORK(&bond->mcast_work, in bond_work_init_all()
4169 INIT_DELAYED_WORK(&bond->alb_work, bond_alb_monitor); in bond_work_init_all()
4170 INIT_DELAYED_WORK(&bond->mii_work, bond_mii_monitor); in bond_work_init_all()
4171 INIT_DELAYED_WORK(&bond->arp_work, bond_arp_monitor); in bond_work_init_all()
4172 INIT_DELAYED_WORK(&bond->ad_work, bond_3ad_state_machine_handler); in bond_work_init_all()
4173 INIT_DELAYED_WORK(&bond->slave_arr_work, bond_slave_arr_handler); in bond_work_init_all()
4178 cancel_delayed_work_sync(&bond->mii_work); in bond_work_cancel_all()
4179 cancel_delayed_work_sync(&bond->arp_work); in bond_work_cancel_all()
4180 cancel_delayed_work_sync(&bond->alb_work); in bond_work_cancel_all()
4181 cancel_delayed_work_sync(&bond->ad_work); in bond_work_cancel_all()
4182 cancel_delayed_work_sync(&bond->mcast_work); in bond_work_cancel_all()
4183 cancel_delayed_work_sync(&bond->slave_arr_work); in bond_work_cancel_all()
4192 if (BOND_MODE(bond) == BOND_MODE_ROUNDROBIN && !bond->rr_tx_counter) { in bond_open()
4193 bond->rr_tx_counter = alloc_percpu(u32); in bond_open()
4194 if (!bond->rr_tx_counter) in bond_open()
4195 return -ENOMEM; in bond_open()
4198 /* reset slave->backup and slave->inactive */ in bond_open()
4202 slave != rcu_access_pointer(bond->curr_active_slave)) { in bond_open()
4217 return -ENOMEM; in bond_open()
4218 if (bond->params.tlb_dynamic_lb || BOND_MODE(bond) == BOND_MODE_ALB) in bond_open()
4219 queue_delayed_work(bond->wq, &bond->alb_work, 0); in bond_open()
4222 if (bond->params.miimon) /* link check interval, in milliseconds. */ in bond_open()
4223 queue_delayed_work(bond->wq, &bond->mii_work, 0); in bond_open()
4225 if (bond->params.arp_interval) { /* arp interval, in milliseconds. */ in bond_open()
4226 queue_delayed_work(bond->wq, &bond->arp_work, 0); in bond_open()
4227 bond->recv_probe = bond_rcv_validate; in bond_open()
4231 queue_delayed_work(bond->wq, &bond->ad_work, 0); in bond_open()
4233 bond->recv_probe = bond_3ad_lacpdu_recv; in bond_open()
4237 dev_mc_add(slave->dev, lacpdu_mcast_addr); in bond_open()
4252 bond->send_peer_notif = 0; in bond_close()
4255 bond->recv_probe = NULL; in bond_close()
4259 slave = rcu_dereference(bond->curr_active_slave); in bond_close()
4261 bond_hw_addr_flush(bond_dev, slave->dev); in bond_close()
4267 bond_hw_addr_flush(bond_dev, slave->dev); in bond_close()
4288 s64 delta = nv - ov; in bond_fold_stats()
4292 delta = (s64)(s32)((u32)nv - (u32)ov); in bond_fold_stats()
4310 iter = &dev->adj_list.lower; in bond_get_lowest_level_rcu()
4320 niter = &ldev->adj_list.lower; in bond_get_lowest_level_rcu()
4331 next = dev_stack[--cur]; in bond_get_lowest_level_rcu()
4358 spin_lock_nested(&bond->stats_lock, nest_level); in bond_get_stats()
4359 memcpy(stats, &bond->bond_stats, sizeof(*stats)); in bond_get_stats()
4363 dev_get_stats(slave->dev, &temp); in bond_get_stats()
4365 bond_fold_stats(stats, new, &slave->slave_stats); in bond_get_stats()
4368 memcpy(&slave->slave_stats, new, sizeof(*new)); in bond_get_stats()
4371 memcpy(&bond->bond_stats, stats, sizeof(*stats)); in bond_get_stats()
4372 spin_unlock(&bond->stats_lock); in bond_get_stats()
4392 return -EINVAL; in bond_eth_ioctl()
4394 mii->phy_id = 0; in bond_eth_ioctl()
4402 return -EINVAL; in bond_eth_ioctl()
4404 if (mii->reg_num == 1) { in bond_eth_ioctl()
4405 mii->val_out = 0; in bond_eth_ioctl()
4406 if (netif_carrier_ok(bond->dev)) in bond_eth_ioctl()
4407 mii->val_out = BMSR_LSTATUS; in bond_eth_ioctl()
4412 if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg))) in bond_eth_ioctl()
4413 return -EFAULT; in bond_eth_ioctl()
4416 return -EOPNOTSUPP; in bond_eth_ioctl()
4422 return -EOPNOTSUPP; in bond_eth_ioctl()
4424 strscpy_pad(ifrr.ifr_name, real_dev->name, IFNAMSIZ); in bond_eth_ioctl()
4425 ifrr.ifr_ifru = ifr->ifr_ifru; in bond_eth_ioctl()
4427 ops = real_dev->netdev_ops; in bond_eth_ioctl()
4428 if (netif_device_present(real_dev) && ops->ndo_eth_ioctl) { in bond_eth_ioctl()
4429 res = ops->ndo_eth_ioctl(real_dev, &ifrr, cmd); in bond_eth_ioctl()
4433 ifr->ifr_ifru = ifrr.ifr_ifru; in bond_eth_ioctl()
4434 if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg))) in bond_eth_ioctl()
4435 return -EFAULT; in bond_eth_ioctl()
4440 return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? in bond_eth_ioctl()
4441 -EFAULT : 0; in bond_eth_ioctl()
4445 res = -EOPNOTSUPP; in bond_eth_ioctl()
4467 u_binfo = (struct ifbond __user *)ifr->ifr_data; in bond_do_ioctl()
4470 return -EFAULT; in bond_do_ioctl()
4474 return -EFAULT; in bond_do_ioctl()
4478 u_sinfo = (struct ifslave __user *)ifr->ifr_data; in bond_do_ioctl()
4481 return -EFAULT; in bond_do_ioctl()
4486 return -EFAULT; in bond_do_ioctl()
4495 if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) in bond_do_ioctl()
4496 return -EPERM; in bond_do_ioctl()
4498 slave_dev = __dev_get_by_name(net, ifr->ifr_slave); in bond_do_ioctl()
4503 return -ENODEV; in bond_do_ioctl()
4516 bond_opt_initstr(&newval, slave_dev->name); in bond_do_ioctl()
4521 res = -EOPNOTSUPP; in bond_do_ioctl()
4547 return -EOPNOTSUPP; in bond_siocdevprivate()
4556 bond_dev->flags & IFF_PROMISC ? 1 : -1); in bond_change_rx_flags()
4560 bond_dev->flags & IFF_ALLMULTI ? 1 : -1); in bond_change_rx_flags()
4571 slave = rcu_dereference(bond->curr_active_slave); in bond_set_rx_mode()
4573 dev_uc_sync(slave->dev, bond_dev); in bond_set_rx_mode()
4574 dev_mc_sync(slave->dev, bond_dev); in bond_set_rx_mode()
4578 dev_uc_sync_multiple(slave->dev, bond_dev); in bond_set_rx_mode()
4579 dev_mc_sync_multiple(slave->dev, bond_dev); in bond_set_rx_mode()
4587 struct bonding *bond = netdev_priv(n->dev); in bond_neigh_init()
4597 slave_ops = slave->dev->netdev_ops; in bond_neigh_init()
4598 if (!slave_ops->ndo_neigh_setup) in bond_neigh_init()
4610 ret = slave_ops->ndo_neigh_setup(slave->dev, &parms); in bond_neigh_init()
4627 * underlying devices. In that case - do nothing, we're already set up from
4634 if (parms->dev == dev) in bond_neigh_setup()
4635 parms->neigh_setup = bond_neigh_init; in bond_neigh_setup()
4651 slave_dbg(bond_dev, slave->dev, "s %p c_m %p\n", in bond_change_mtu()
4652 slave, slave->dev->netdev_ops->ndo_change_mtu); in bond_change_mtu()
4654 res = dev_set_mtu(slave->dev, new_mtu); in bond_change_mtu()
4665 slave_dbg(bond_dev, slave->dev, "err %d setting mtu to %d\n", in bond_change_mtu()
4671 bond_dev->mtu = new_mtu; in bond_change_mtu()
4683 tmp_res = dev_set_mtu(rollback_slave->dev, bond_dev->mtu); in bond_change_mtu()
4685 slave_dbg(bond_dev, rollback_slave->dev, "unwind err %d\n", in bond_change_mtu()
4715 if (bond->params.fail_over_mac && in bond_set_mac_address()
4719 if (!is_valid_ether_addr(ss->__data)) in bond_set_mac_address()
4720 return -EADDRNOTAVAIL; in bond_set_mac_address()
4723 slave_dbg(bond_dev, slave->dev, "%s: slave=%p\n", in bond_set_mac_address()
4725 res = dev_set_mac_address(slave->dev, addr, NULL); in bond_set_mac_address()
4733 slave_dbg(bond_dev, slave->dev, "%s: err %d\n", in bond_set_mac_address()
4740 dev_addr_set(bond_dev, ss->__data); in bond_set_mac_address()
4744 memcpy(tmp_ss.__data, bond_dev->dev_addr, bond_dev->addr_len); in bond_set_mac_address()
4745 tmp_ss.ss_family = bond_dev->type; in bond_set_mac_address()
4754 tmp_res = dev_set_mac_address(rollback_slave->dev, in bond_set_mac_address()
4757 slave_dbg(bond_dev, rollback_slave->dev, "%s: unwind err %d\n", in bond_set_mac_address()
4766 * bond_get_slave_by_id - get xmit slave with slave_id
4768 * @slave_id: slave id up to slave_cnt-1 through which to transmit
4782 if (--i < 0) { in bond_get_slave_by_id()
4791 if (--i < 0) in bond_get_slave_by_id()
4801 * bond_rr_gen_slave_id - generate slave id based on packets_per_slave
4812 int packets_per_slave = bond->params.packets_per_slave; in bond_rr_gen_slave_id()
4819 slave_id = this_cpu_inc_return(*bond->rr_tx_counter); in bond_rr_gen_slave_id()
4823 bond->params.reciprocal_packets_per_slave; in bond_rr_gen_slave_id()
4824 slave_id = this_cpu_inc_return(*bond->rr_tx_counter); in bond_rr_gen_slave_id()
4846 if (skb->protocol == htons(ETH_P_IP)) { in bond_xmit_roundrobin_slave_get()
4854 if (iph->protocol == IPPROTO_IGMP) { in bond_xmit_roundrobin_slave_get()
4855 slave = rcu_dereference(bond->curr_active_slave); in bond_xmit_roundrobin_slave_get()
4863 slave_cnt = READ_ONCE(bond->slave_cnt); in bond_xmit_roundrobin_slave_get()
4878 void *data = xdp->data; in bond_xdp_xmit_roundrobin_slave_get()
4880 if (data + sizeof(struct ethhdr) > xdp->data_end) in bond_xdp_xmit_roundrobin_slave_get()
4887 if (eth->h_proto == htons(ETH_P_IP)) { in bond_xdp_xmit_roundrobin_slave_get()
4890 if (data + sizeof(struct iphdr) > xdp->data_end) in bond_xdp_xmit_roundrobin_slave_get()
4895 if (iph->protocol == IPPROTO_IGMP) { in bond_xdp_xmit_roundrobin_slave_get()
4896 slave = rcu_dereference(bond->curr_active_slave); in bond_xdp_xmit_roundrobin_slave_get()
4904 slave_cnt = READ_ONCE(bond->slave_cnt); in bond_xdp_xmit_roundrobin_slave_get()
4920 return bond_dev_queue_xmit(bond, skb, slave->dev); in bond_xmit_roundrobin()
4927 return rcu_dereference(bond->curr_active_slave); in bond_xmit_activebackup_slave_get()
4930 /* In active-backup mode, we know that bond->curr_active_slave is always valid if
4941 return bond_dev_queue_xmit(bond, skb, slave->dev); in bond_xmit_activebackup()
4952 queue_delayed_work(bond->wq, &bond->slave_arr_work, delay); in bond_slave_arr_work_rearm()
4988 * this to-be-skipped slave to send a packet out. in bond_skip_slave()
4990 for (idx = 0; slaves && idx < slaves->count; idx++) { in bond_skip_slave()
4991 if (skipslave == slaves->arr[idx]) { in bond_skip_slave()
4992 slaves->arr[idx] = in bond_skip_slave()
4993 slaves->arr[slaves->count - 1]; in bond_skip_slave()
4994 slaves->count--; in bond_skip_slave()
5006 usable = rtnl_dereference(bond->usable_slaves); in bond_set_slave_arr()
5007 rcu_assign_pointer(bond->usable_slaves, usable_slaves); in bond_set_slave_arr()
5010 all = rtnl_dereference(bond->all_slaves); in bond_set_slave_arr()
5011 rcu_assign_pointer(bond->all_slaves, all_slaves); in bond_set_slave_arr()
5019 usable = rtnl_dereference(bond->usable_slaves); in bond_reset_slave_arr()
5021 RCU_INIT_POINTER(bond->usable_slaves, NULL); in bond_reset_slave_arr()
5025 all = rtnl_dereference(bond->all_slaves); in bond_reset_slave_arr()
5027 RCU_INIT_POINTER(bond->all_slaves, NULL); in bond_reset_slave_arr()
5032 /* Build the usable slaves array in control path for modes that use xmit-hash
5033 * to determine the slave interface -
5051 bond->slave_cnt), GFP_KERNEL); in bond_update_slave_arr()
5053 bond->slave_cnt), GFP_KERNEL); in bond_update_slave_arr()
5055 ret = -ENOMEM; in bond_update_slave_arr()
5061 spin_lock_bh(&bond->mode_lock); in bond_update_slave_arr()
5063 spin_unlock_bh(&bond->mode_lock); in bond_update_slave_arr()
5071 spin_unlock_bh(&bond->mode_lock); in bond_update_slave_arr()
5078 all_slaves->arr[all_slaves->count++] = slave; in bond_update_slave_arr()
5082 agg = SLAVE_AD_INFO(slave)->port.aggregator; in bond_update_slave_arr()
5083 if (!agg || agg->aggregator_identifier != agg_id) in bond_update_slave_arr()
5089 slave_dbg(bond->dev, slave->dev, "Adding slave to tx hash array[%d]\n", in bond_update_slave_arr()
5090 usable_slaves->count); in bond_update_slave_arr()
5092 usable_slaves->arr[usable_slaves->count++] = slave; in bond_update_slave_arr()
5099 bond_skip_slave(rtnl_dereference(bond->all_slaves), in bond_update_slave_arr()
5101 bond_skip_slave(rtnl_dereference(bond->usable_slaves), in bond_update_slave_arr()
5119 count = slaves ? READ_ONCE(slaves->count) : 0; in bond_xmit_3ad_xor_slave_get()
5123 slave = slaves->arr[hash % count]; in bond_xmit_3ad_xor_slave_get()
5135 slaves = rcu_dereference(bond->usable_slaves); in bond_xdp_xmit_3ad_xor_slave_get()
5136 count = slaves ? READ_ONCE(slaves->count) : 0; in bond_xdp_xmit_3ad_xor_slave_get()
5140 return slaves->arr[hash % count]; in bond_xdp_xmit_3ad_xor_slave_get()
5154 slaves = rcu_dereference(bond->usable_slaves); in bond_3ad_xor_xmit()
5157 return bond_dev_queue_xmit(bond, skb, slave->dev); in bond_3ad_xor_xmit()
5175 if (!(bond_slave_is_up(slave) && slave->link == BOND_LINK_UP)) in bond_xmit_broadcast()
5185 bond_dev->name, __func__); in bond_xmit_broadcast()
5190 if (bond_dev_queue_xmit(bond, skb2, slave->dev) == NETDEV_TX_OK) in bond_xmit_broadcast()
5204 /*------------------------- Device initialization ---------------------------*/
5218 if (slave->queue_id == skb_get_queue_mapping(skb)) { in bond_slave_override()
5220 slave->link == BOND_LINK_UP) { in bond_slave_override()
5221 bond_dev_queue_xmit(bond, skb, slave->dev); in bond_slave_override()
5244 qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb_get_queue_mapping(skb); in bond_select_queue()
5246 if (unlikely(txq >= dev->real_num_tx_queues)) { in bond_select_queue()
5248 txq -= dev->real_num_tx_queues; in bond_select_queue()
5249 } while (txq >= dev->real_num_tx_queues); in bond_select_queue()
5272 slaves = rcu_dereference(bond->all_slaves); in bond_xmit_get_slave()
5274 slaves = rcu_dereference(bond->usable_slaves); in bond_xmit_get_slave()
5292 return slave->dev; in bond_xmit_get_slave()
5298 switch (sk->sk_family) { in bond_sk_to_flow()
5302 ipv6_addr_type(&sk->sk_v6_daddr) != IPV6_ADDR_MAPPED) { in bond_sk_to_flow()
5303 flow->control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS; in bond_sk_to_flow()
5304 flow->addrs.v6addrs.src = inet6_sk(sk)->saddr; in bond_sk_to_flow()
5305 flow->addrs.v6addrs.dst = sk->sk_v6_daddr; in bond_sk_to_flow()
5311 flow->control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS; in bond_sk_to_flow()
5312 flow->addrs.v4addrs.src = inet_sk(sk)->inet_rcv_saddr; in bond_sk_to_flow()
5313 flow->addrs.v4addrs.dst = inet_sk(sk)->inet_daddr; in bond_sk_to_flow()
5317 flow->ports.src = inet_sk(sk)->inet_sport; in bond_sk_to_flow()
5318 flow->ports.dst = inet_sk(sk)->inet_dport; in bond_sk_to_flow()
5322 * bond_sk_hash_l34 - generate a hash value based on the socket's L3 and L4 fields
5350 slaves = rcu_dereference(bond->usable_slaves); in __bond_sk_get_lower_dev()
5351 count = slaves ? READ_ONCE(slaves->count) : 0; in __bond_sk_get_lower_dev()
5356 slave = slaves->arr[hash % count]; in __bond_sk_get_lower_dev()
5358 return slave->dev; in __bond_sk_get_lower_dev()
5379 struct net_device *tls_netdev = rcu_dereference(tls_get_ctx(skb->sk)->netdev); in bond_tls_device_xmit()
5400 if (skb->sk && tls_is_sk_tx_device_offloaded(skb->sk)) in __bond_start_xmit()
5477 return slave->dev; in bond_xdp_get_xmit_slave()
5485 int nxmit, err = -ENXIO; in bond_xdp_xmit()
5499 err = -ENXIO; in bond_xdp_xmit()
5503 err = slave_dev->netdev_ops->ndo_xdp_xmit(slave_dev, 1, frames1, flags); in bond_xdp_xmit()
5537 return -EOPNOTSUPP; in bond_xdp_set()
5539 old_prog = bond->xdp_prog; in bond_xdp_set()
5540 bond->xdp_prog = prog; in bond_xdp_set()
5543 struct net_device *slave_dev = slave->dev; in bond_xdp_set()
5545 if (!slave_dev->netdev_ops->ndo_bpf || in bond_xdp_set()
5546 !slave_dev->netdev_ops->ndo_xdp_xmit) { in bond_xdp_set()
5549 err = -EOPNOTSUPP; in bond_xdp_set()
5556 err = -EOPNOTSUPP; in bond_xdp_set()
5560 err = slave_dev->netdev_ops->ndo_bpf(slave_dev, &xdp); in bond_xdp_set()
5581 bond->xdp_prog = old_prog; in bond_xdp_set()
5586 struct net_device *slave_dev = rollback_slave->dev; in bond_xdp_set()
5592 err_unwind = slave_dev->netdev_ops->ndo_bpf(slave_dev, &xdp); in bond_xdp_set()
5604 switch (xdp->command) { in bond_xdp()
5606 return bond_xdp_set(dev, xdp->prog, xdp->extack); in bond_xdp()
5608 return -EINVAL; in bond_xdp()
5615 speed = slave->speed; in bond_mode_bcast_speed()
5617 speed = min(speed, slave->speed); in bond_mode_bcast_speed()
5630 cmd->base.duplex = DUPLEX_UNKNOWN; in bond_ethtool_get_link_ksettings()
5631 cmd->base.port = PORT_OTHER; in bond_ethtool_get_link_ksettings()
5640 if (slave->speed != SPEED_UNKNOWN) { in bond_ethtool_get_link_ksettings()
5645 speed += slave->speed; in bond_ethtool_get_link_ksettings()
5647 if (cmd->base.duplex == DUPLEX_UNKNOWN && in bond_ethtool_get_link_ksettings()
5648 slave->duplex != DUPLEX_UNKNOWN) in bond_ethtool_get_link_ksettings()
5649 cmd->base.duplex = slave->duplex; in bond_ethtool_get_link_ksettings()
5652 cmd->base.speed = speed ? : SPEED_UNKNOWN; in bond_ethtool_get_link_ksettings()
5660 strscpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); in bond_ethtool_get_drvinfo()
5661 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d", in bond_ethtool_get_drvinfo()
5680 ops = real_dev->ethtool_ops; in bond_ethtool_get_ts_info()
5681 phydev = real_dev->phydev; in bond_ethtool_get_ts_info()
5686 } else if (ops->get_ts_info) { in bond_ethtool_get_ts_info()
5687 ret = ops->get_ts_info(real_dev, info); in bond_ethtool_get_ts_info()
5692 info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | in bond_ethtool_get_ts_info()
5694 info->phc_index = -1; in bond_ethtool_get_ts_info()
5750 if (bond->wq) in bond_destructor()
5751 destroy_workqueue(bond->wq); in bond_destructor()
5753 if (bond->rr_tx_counter) in bond_destructor()
5754 free_percpu(bond->rr_tx_counter); in bond_destructor()
5761 spin_lock_init(&bond->mode_lock); in bond_setup()
5762 bond->params = bonding_defaults; in bond_setup()
5765 bond->dev = bond_dev; in bond_setup()
5769 bond_dev->max_mtu = ETH_MAX_MTU; in bond_setup()
5770 bond_dev->netdev_ops = &bond_netdev_ops; in bond_setup()
5771 bond_dev->ethtool_ops = &bond_ethtool_ops; in bond_setup()
5773 bond_dev->needs_free_netdev = true; in bond_setup()
5774 bond_dev->priv_destructor = bond_destructor; in bond_setup()
5779 bond_dev->flags |= IFF_MASTER; in bond_setup()
5780 bond_dev->priv_flags |= IFF_BONDING | IFF_UNICAST_FLT | IFF_NO_QUEUE; in bond_setup()
5781 bond_dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); in bond_setup()
5784 /* set up xfrm device ops (only supported in active-backup right now) */ in bond_setup()
5785 bond_dev->xfrmdev_ops = &bond_xfrmdev_ops; in bond_setup()
5786 INIT_LIST_HEAD(&bond->ipsec_list); in bond_setup()
5787 spin_lock_init(&bond->ipsec_lock); in bond_setup()
5791 bond_dev->features |= NETIF_F_LLTX; in bond_setup()
5801 bond_dev->features |= NETIF_F_NETNS_LOCAL; in bond_setup()
5803 bond_dev->hw_features = BOND_VLAN_FEATURES | in bond_setup()
5807 bond_dev->hw_features |= NETIF_F_GSO_ENCAP_ALL; in bond_setup()
5808 bond_dev->features |= bond_dev->hw_features; in bond_setup()
5809 bond_dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; in bond_setup()
5811 bond_dev->hw_features |= BOND_XFRM_FEATURES; in bond_setup()
5812 /* Only enable XFRM features if this is an active-backup config */ in bond_setup()
5814 bond_dev->features |= BOND_XFRM_FEATURES; in bond_setup()
5818 bond_dev->features |= BOND_TLS_FEATURES; in bond_setup()
5836 __bond_release_one(bond_dev, slave->dev, true, true); in bond_uninit()
5839 usable = rtnl_dereference(bond->usable_slaves); in bond_uninit()
5841 RCU_INIT_POINTER(bond->usable_slaves, NULL); in bond_uninit()
5845 all = rtnl_dereference(bond->all_slaves); in bond_uninit()
5847 RCU_INIT_POINTER(bond->all_slaves, NULL); in bond_uninit()
5851 list_del(&bond->bond_list); in bond_uninit()
5856 /*------------------------- Module initialization ---------------------------*/
5879 return -EINVAL; in bond_check_params()
5881 bond_mode = valptr->value; in bond_check_params()
5897 return -EINVAL; in bond_check_params()
5899 xmit_hashtype = valptr->value; in bond_check_params()
5914 return -EINVAL; in bond_check_params()
5916 lacp_fast = valptr->value; in bond_check_params()
5926 return -EINVAL; in bond_check_params()
5928 params->ad_select = valptr->value; in bond_check_params()
5932 params->ad_select = BOND_AD_STABLE; in bond_check_params()
5936 …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()
5942 pr_warn("Warning: miimon module parameter (%d), not in range 0-%d, so it was reset to 0\n", in bond_check_params()
5948 pr_warn("Warning: updelay module parameter (%d), not in range 0-%d, so it was reset to 0\n", in bond_check_params()
5954 pr_warn("Warning: downdelay module parameter (%d), not in range 0-%d, so it was reset to 0\n", in bond_check_params()
5966 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()
6043 pr_warn("Warning: arp_interval module parameter (%d), not in range 0-%d, so it was reset to 0\n", in bond_check_params()
6053 if (!in4_pton(arp_ip_target[i], -1, (u8 *)&ip, -1, NULL) || in bond_check_params()
6059 if (bond_get_targets_ip(arp_target, ip) == -1) in bond_check_params()
6077 return -EINVAL; in bond_check_params()
6086 return -EINVAL; in bond_check_params()
6088 arp_validate_value = valptr->value; in bond_check_params()
6102 arp_all_targets_value = valptr->value; in bond_check_params()
6112 arp_interval, valptr->string, arp_ip_count); in bond_check_params()
6142 return -EINVAL; in bond_check_params()
6144 primary_reselect_value = valptr->value; in bond_check_params()
6156 return -EINVAL; in bond_check_params()
6158 fail_over_mac_value = valptr->value; in bond_check_params()
6160 pr_warn("Warning: fail_over_mac only affects active-backup mode\n"); in bond_check_params()
6171 return -EINVAL; in bond_check_params()
6173 ad_actor_sys_prio = valptr->value; in bond_check_params()
6179 return -EINVAL; in bond_check_params()
6181 ad_user_port_key = valptr->value; in bond_check_params()
6187 return -EINVAL; in bond_check_params()
6189 tlb_dynamic_lb = valptr->value; in bond_check_params()
6198 params->mode = bond_mode; in bond_check_params()
6199 params->xmit_policy = xmit_hashtype; in bond_check_params()
6200 params->miimon = miimon; in bond_check_params()
6201 params->num_peer_notif = num_peer_notif; in bond_check_params()
6202 params->arp_interval = arp_interval; in bond_check_params()
6203 params->arp_validate = arp_validate_value; in bond_check_params()
6204 params->arp_all_targets = arp_all_targets_value; in bond_check_params()
6205 params->missed_max = 2; in bond_check_params()
6206 params->updelay = updelay; in bond_check_params()
6207 params->downdelay = downdelay; in bond_check_params()
6208 params->peer_notif_delay = 0; in bond_check_params()
6209 params->use_carrier = use_carrier; in bond_check_params()
6210 params->lacp_active = 1; in bond_check_params()
6211 params->lacp_fast = lacp_fast; in bond_check_params()
6212 params->primary[0] = 0; in bond_check_params()
6213 params->primary_reselect = primary_reselect_value; in bond_check_params()
6214 params->fail_over_mac = fail_over_mac_value; in bond_check_params()
6215 params->tx_queues = tx_queues; in bond_check_params()
6216 params->all_slaves_active = all_slaves_active; in bond_check_params()
6217 params->resend_igmp = resend_igmp; in bond_check_params()
6218 params->min_links = min_links; in bond_check_params()
6219 params->lp_interval = lp_interval; in bond_check_params()
6220 params->packets_per_slave = packets_per_slave; in bond_check_params()
6221 params->tlb_dynamic_lb = tlb_dynamic_lb; in bond_check_params()
6222 params->ad_actor_sys_prio = ad_actor_sys_prio; in bond_check_params()
6223 eth_zero_addr(params->ad_actor_system); in bond_check_params()
6224 params->ad_user_port_key = ad_user_port_key; in bond_check_params()
6226 params->reciprocal_packets_per_slave = in bond_check_params()
6232 params->reciprocal_packets_per_slave = in bond_check_params()
6237 strscpy_pad(params->primary, primary, sizeof(params->primary)); in bond_check_params()
6239 memcpy(params->arp_targets, arp_target, sizeof(arp_target)); in bond_check_params()
6241 memset(params->ns_targets, 0, sizeof(struct in6_addr) * BOND_MAX_NS_TARGETS); in bond_check_params()
6255 bond->wq = alloc_ordered_workqueue(bond_dev->name, WQ_MEM_RECLAIM); in bond_init()
6256 if (!bond->wq) in bond_init()
6257 return -ENOMEM; in bond_init()
6259 spin_lock_init(&bond->stats_lock); in bond_init()
6262 list_add_tail(&bond->bond_list, &bn->dev_list); in bond_init()
6269 if (is_zero_ether_addr(bond_dev->dev_addr) && in bond_init()
6270 bond_dev->addr_assign_type == NET_ADDR_PERM) in bond_init()
6290 int res = -ENOMEM; in bond_create()
6302 bond_dev->rtnl_link_ops = &bond_link_ops; in bond_create()
6323 bn->net = net; in bond_net_init()
6324 INIT_LIST_HEAD(&bn->dev_list); in bond_net_init()
6349 list_for_each_entry_safe(bond, tmp_bond, &bn->dev_list, bond_list) in bond_net_exit_batch()
6350 unregister_netdevice_queue(bond->dev, &list); in bond_net_exit_batch()