diff options
Diffstat (limited to 'include/net/genetlink.h')
| -rw-r--r-- | include/net/genetlink.h | 9 |
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 */ |