genetlink: pass multicast bind/unbind to families

[firefly-linux-kernel-4.4.55.git] / include / net / genetlink.h

diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index 38620da4aa7a5b1d53892ade0f87961b7ccad0ad..3ed31e5a445b804830c5daaa063d1267665b5705 100644 (file)
--- 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)(int group);
+       void                    (*mcast_unbind)(int group);
        struct nlattr **        attrbuf;        /* private */
        const struct genl_ops * ops;            /* private */
        const struct genl_multicast_group *mcgrps; /* private */