diff options
| author | Jiri Pirko <jiri@resnulli.us> | 2013-05-25 04:12:10 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-05-25 23:12:19 -0700 |
| commit | 42e52bf9e3ae80fd44b21ddfcd64c54e6db2ff76 (patch) | |
| tree | 4d395ed55ed5e36d0b54ea49329e797c06783f9f | |
| parent | 8513fbd880093f00a47e85a552f14ca2de8d84d6 (diff) | |
net: add netnotifier event for upper device change
Now when upper device is changed, event is not propagated via RT Netlink
to userspace. Userspace might never now about the change. Fix this by
adding upper-device-change notifier event.
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/netdevice.h | 1 | ||||
| -rw-r--r-- | net/core/dev.c | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 0ebd63ae2cc..ea7b6bce9ea 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1593,6 +1593,7 @@ struct packet_offload { #define NETDEV_RELEASE 0x0012 #define NETDEV_NOTIFY_PEERS 0x0013 #define NETDEV_JOIN 0x0014 +#define NETDEV_CHANGEUPPER 0x0015 extern int register_netdevice_notifier(struct notifier_block *nb); extern int unregister_netdevice_notifier(struct notifier_block *nb); diff --git a/net/core/dev.c b/net/core/dev.c index 7229bc30e50..50c02ded1d6 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4411,7 +4411,7 @@ static int __netdev_upper_dev_link(struct net_device *dev, else list_add_tail_rcu(&upper->list, &dev->upper_dev_list); dev_hold(upper_dev); - + call_netdevice_notifiers(NETDEV_CHANGEUPPER, dev); return 0; } @@ -4471,6 +4471,7 @@ void netdev_upper_dev_unlink(struct net_device *dev, list_del_rcu(&upper->list); dev_put(upper_dev); kfree_rcu(upper, rcu); + call_netdevice_notifiers(NETDEV_CHANGEUPPER, dev); } EXPORT_SYMBOL(netdev_upper_dev_unlink); |