4 files changed, 24 insertions, 0 deletions
diff --git a/include/netlink-types.h b/include/netlink-types.h
index 0d00593..65f7f6c 100644
--- a/include/netlink-types.h
+++ b/include/netlink-types.h
@@ -69,6 +69,13 @@ struct nl_addr
 #define GENL_OP_HAS_DOIT	2
 #define GENL_OP_HAS_DUMPIT	4
 
+struct genl_family_grp {
+	struct genl_family	*family;	/* private */
+	struct nl_list_head	list;		/* private */
+	char			name[GENL_NAMSIZ];
+	u_int32_t		id;
+};
+
 struct genl_family_op
 {
 	uint32_t		o_id;
diff --git a/include/netlink/genl/ctrl.h b/include/netlink/genl/ctrl.h
index 1ae62f4..26a0a99 100644
--- a/include/netlink/genl/ctrl.h
+++ b/include/netlink/genl/ctrl.h
@@ -29,6 +29,9 @@ extern struct genl_family *	genl_ctrl_search_by_name(struct nl_cache *,
 							 const char *);
 extern int			genl_ctrl_resolve(struct nl_sock *,
 						  const char *);
+extern int 			genl_ctrl_resolve_grp(struct nl_sock *sk,
+						      const char *family,
+						      const char *grp);
 
 #ifdef __cplusplus
 }
diff --git a/include/netlink/genl/family.h b/include/netlink/genl/family.h
index bdce09d..777c16e 100644
--- a/include/netlink/genl/family.h
+++ b/include/netlink/genl/family.h
@@ -39,6 +39,7 @@ struct genl_family
 	uint32_t		gf_maxattr;
 
 	struct nl_list_head	gf_ops;
+	struct nl_list_head	gf_mc_grps;
 };
 
 
@@ -47,6 +48,9 @@ extern void			genl_family_put(struct genl_family *);
 
 extern int			genl_family_add_op(struct genl_family *,
 						   int, int);
+extern int 			genl_family_add_grp(struct genl_family *,
+					uint32_t , const char *);
+
 
 /**
  * @name Attributes
diff --git a/include/netlink/socket.h b/include/netlink/socket.h
index 9f7f422..bcb934c 100644
--- a/include/netlink/socket.h
+++ b/include/netlink/socket.h
@@ -166,6 +166,16 @@ static inline void nl_socket_disable_msg_peek(struct nl_sock *sk)
 	sk->s_flags &= ~NL_MSG_PEEK;
 }
 
+static inline uint32_t nl_socket_get_peer_groups(struct nl_sock *sk)
+{
+	return sk->s_peer.nl_groups;
+}
+
+static inline void nl_socket_set_peer_groups(struct nl_sock *sk, uint32_t groups)
+{
+	sk->s_peer.nl_groups = groups;
+}
+
 /**
  * @name Callback Handler
  * @{