diff options
Diffstat (limited to 'net/bridge/br_if.c')
| -rw-r--r-- | net/bridge/br_if.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index f3aef22931ab..9ba4ed65c52b 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -271,7 +271,7 @@ static void del_nbp(struct net_bridge_port *p) br_stp_disable_port(p); spin_unlock_bh(&br->lock); - br_ifinfo_notify(RTM_DELLINK, p); + br_ifinfo_notify(RTM_DELLINK, NULL, p); list_del_rcu(&p->list); if (netdev_get_fwd_headroom(dev) == br->dev->needed_headroom) @@ -310,6 +310,8 @@ void br_dev_delete(struct net_device *dev, struct list_head *head) del_nbp(p); } + br_recalculate_neigh_suppress_enabled(br); + br_fdb_delete_by_port(br, NULL, 0, 1); cancel_delayed_work_sync(&br->gc_work); @@ -480,7 +482,8 @@ netdev_features_t br_features_recompute(struct net_bridge *br, } /* called with RTNL */ -int br_add_if(struct net_bridge *br, struct net_device *dev) +int br_add_if(struct net_bridge *br, struct net_device *dev, + struct netlink_ext_ack *extack) { struct net_bridge_port *p; int err = 0; @@ -500,16 +503,22 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) return -EINVAL; /* No bridging of bridges */ - if (dev->netdev_ops->ndo_start_xmit == br_dev_xmit) + if (dev->netdev_ops->ndo_start_xmit == br_dev_xmit) { + NL_SET_ERR_MSG(extack, + "Can not enslave a bridge to a bridge"); return -ELOOP; + } /* Device is already being bridged */ if (br_port_exists(dev)) return -EBUSY; /* No bridging devices that dislike that (e.g. wireless) */ - if (dev->priv_flags & IFF_DONT_BRIDGE) + if (dev->priv_flags & IFF_DONT_BRIDGE) { + NL_SET_ERR_MSG(extack, + "Device does not allow enslaving to a bridge"); return -EOPNOTSUPP; + } p = new_nbp(br, dev); if (IS_ERR(p)) @@ -540,7 +549,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) dev->priv_flags |= IFF_BRIDGE_PORT; - err = netdev_master_upper_dev_link(dev, br->dev, NULL, NULL); + err = netdev_master_upper_dev_link(dev, br->dev, NULL, NULL, extack); if (err) goto err5; @@ -580,7 +589,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) br_stp_enable_port(p); spin_unlock_bh(&br->lock); - br_ifinfo_notify(RTM_NEWLINK, p); + br_ifinfo_notify(RTM_NEWLINK, NULL, p); if (changed_addr) call_netdevice_notifiers(NETDEV_CHANGEADDR, br->dev); @@ -653,4 +662,7 @@ void br_port_flags_change(struct net_bridge_port *p, unsigned long mask) if (mask & BR_AUTO_MASK) nbp_update_port_count(br); + + if (mask & BR_NEIGH_SUPPRESS) + br_recalculate_neigh_suppress_enabled(br); } |