diff options
Diffstat (limited to 'net/bridge/br_if.c')
| -rw-r--r-- | net/bridge/br_if.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 9b46d2dc4c22..41f0a696a65f 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -650,7 +650,16 @@ int br_add_if(struct net_bridge *br, struct net_device *dev, if (br_fdb_insert(br, p, dev->dev_addr, 0)) netdev_err(dev, "failed insert local address bridge forwarding table\n"); - err = nbp_vlan_init(p); + if (br->dev->addr_assign_type != NET_ADDR_SET) { + /* Ask for permission to use this MAC address now, even if we + * don't end up choosing it below. + */ + err = dev_pre_changeaddr_notify(br->dev, dev->dev_addr, extack); + if (err) + goto err7; + } + + err = nbp_vlan_init(p, extack); if (err) { netdev_err(dev, "failed to initialize vlan filtering on this port\n"); goto err7; @@ -741,3 +750,15 @@ void br_port_flags_change(struct net_bridge_port *p, unsigned long mask) if (mask & BR_NEIGH_SUPPRESS) br_recalculate_neigh_suppress_enabled(br); } + +bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag) +{ + struct net_bridge_port *p; + + p = br_port_get_rtnl_rcu(dev); + if (!p) + return false; + + return p->flags & flag; +} +EXPORT_SYMBOL_GPL(br_port_flag_is_set); |