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authorJohannes Berg <johannes@sipsolutions.net>2007-07-18 15:47:05 -0700
committerDavid S. Miller <davem@davemloft.net>2007-07-18 15:47:05 -0700
commit84659eb529b33572bb3f8c94e0978bd5d084bc7e (patch)
tree3eddcba4b7e4779a51480c3cc24384ff2046b287 /include
parentb4ff4f0419ae5db83553fab79d03a89c10d540a8 (diff)
[NETLIKN]: Allow removing multicast groups.
Allow kicking listeners out of a multicast group when necessary (for example if that group is going to be removed.) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Patrick McHardy <kaber@trash.net> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/netlink.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index b971ddd2409..83d8239f0cc 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -162,6 +162,7 @@ extern struct sock *netlink_kernel_create(int unit, unsigned int groups,
struct mutex *cb_mutex,
struct module *module);
extern int netlink_change_ngroups(struct sock *sk, unsigned int groups);
+extern void netlink_clear_multicast_users(struct sock *sk, unsigned int group);
extern void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err);
extern int netlink_has_listeners(struct sock *sk, unsigned int group);
extern int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 pid, int nonblock);