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-rw-r--r--include/net/genetlink.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index af10c2cf8a1d..84125088c309 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -31,6 +31,9 @@ struct genl_info;
* do additional, common, filtering and return an error
* @post_doit: called after an operation's doit callback, it may
* undo operations done by pre_doit, for example release locks
+ * @mcast_bind: a socket bound to the given multicast group (which
+ * is given as the offset into the groups array)
+ * @mcast_unbind: a socket was unbound from the given multicast group
* @attrbuf: buffer to store parsed attributes
* @family_list: family list
* @mcgrps: multicast groups used by this family (private)
@@ -53,6 +56,8 @@ struct genl_family {
void (*post_doit)(const struct genl_ops *ops,
struct sk_buff *skb,
struct genl_info *info);
+ int (*mcast_bind)(struct net *net, int group);
+ void (*mcast_unbind)(struct net *net, int group);
struct nlattr ** attrbuf; /* private */
const struct genl_ops * ops; /* private */
const struct genl_multicast_group *mcgrps; /* private */
@@ -395,11 +400,11 @@ static inline int genl_set_err(struct genl_family *family, struct net *net,
}
static inline int genl_has_listeners(struct genl_family *family,
- struct sock *sk, unsigned int group)
+ struct net *net, unsigned int group)
{
if (WARN_ON_ONCE(group >= family->n_mcgrps))
return -EINVAL;
group = family->mcgrp_offset + group;
- return netlink_has_listeners(sk, group);
+ return netlink_has_listeners(net->genl_sock, group);
}
#endif /* __NET_GENERIC_NETLINK_H */