diff options
| author | Petr Machata <petrm@mellanox.com> | 2018-12-13 11:54:39 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-12-13 18:41:38 -0800 |
| commit | b89df65c5e2ab2ce674997e44e87452f4d2e9b05 (patch) | |
| tree | 37594890d1b8abd758beabd4b31d5ba812ab893c /net/bridge | |
| parent | ca935da7f41bb2186f2a007ae183b27f37c8f5a3 (diff) | |
net: bridge: Handle NETDEV_PRE_CHANGEADDR from ports
When a port device seeks approval of a potential new MAC address, make
sure that should the bridge device end up using this address, all
interested parties would agree with it.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/bridge/br.c b/net/bridge/br.c index 4e7cd993ce94..a5174e5001d8 100644 --- a/net/bridge/br.c +++ b/net/bridge/br.c @@ -31,6 +31,8 @@ */ static int br_device_event(struct notifier_block *unused, unsigned long event, void *ptr) { + struct netlink_ext_ack *extack = netdev_notifier_info_to_extack(ptr); + struct netdev_notifier_pre_changeaddr_info *prechaddr_info; struct net_device *dev = netdev_notifier_info_to_dev(ptr); struct net_bridge_port *p; struct net_bridge *br; @@ -56,6 +58,17 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v br_mtu_auto_adjust(br); break; + case NETDEV_PRE_CHANGEADDR: + if (br->dev->addr_assign_type == NET_ADDR_SET) + break; + prechaddr_info = ptr; + err = dev_pre_changeaddr_notify(br->dev, + prechaddr_info->dev_addr, + extack); + if (err) + return notifier_from_errno(err); + break; + case NETDEV_CHANGEADDR: spin_lock_bh(&br->lock); br_fdb_changeaddr(p, dev->dev_addr); |