diff options
Diffstat (limited to 'net/core/dev.c')
-rw-r--r-- | net/core/dev.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 1f06df8..5defcf9 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1106,6 +1106,24 @@ void netdev_state_change(struct net_device *dev) } EXPORT_SYMBOL(netdev_state_change); +/** + * netdev_notify_peers - notify network peers about existence of @dev + * @dev: network device + * + * Generate traffic such that interested network peers are aware of + * @dev, such as by generating a gratuitous ARP. This may be used when + * a device wants to inform the rest of the network about some sort of + * reconfiguration such as a failover event or virtual machine + * migration. + */ +void netdev_notify_peers(struct net_device *dev) +{ + rtnl_lock(); + call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, dev); + rtnl_unlock(); +} +EXPORT_SYMBOL(netdev_notify_peers); + int netdev_bonding_change(struct net_device *dev, unsigned long event) { return call_netdevice_notifiers(event, dev); |