diff --git a/package/libs/libnl-tiny/src/genl_ctrl.c b/package/libs/libnl-tiny/src/genl_ctrl.c
index 13016420d1..0045459b2f 100644
--- a/package/libs/libnl-tiny/src/genl_ctrl.c
+++ b/package/libs/libnl-tiny/src/genl_ctrl.c
@@ -45,6 +45,7 @@ static struct nla_policy ctrl_policy[CTRL_ATTR_MAX+1] = {
 	[CTRL_ATTR_HDRSIZE]	= { .type = NLA_U32 },
 	[CTRL_ATTR_MAXATTR]	= { .type = NLA_U32 },
 	[CTRL_ATTR_OPS]		= { .type = NLA_NESTED },
+	[CTRL_ATTR_MCAST_GROUPS] = { .type = NLA_NESTED },
 };
 
 static struct nla_policy family_op_policy[CTRL_ATTR_OP_MAX+1] = {
@@ -52,6 +53,11 @@ static struct nla_policy family_op_policy[CTRL_ATTR_OP_MAX+1] = {
 	[CTRL_ATTR_OP_FLAGS]	= { .type = NLA_U32 },
 };
 
+static struct nla_policy family_grp_policy[CTRL_ATTR_MCAST_GRP_MAX+1] = {
+	[CTRL_ATTR_MCAST_GRP_NAME] = { .type = NLA_STRING },
+	[CTRL_ATTR_MCAST_GRP_ID]   = { .type = NLA_U32 },
+};
+
 static int ctrl_msg_parser(struct nl_cache_ops *ops, struct genl_cmd *cmd,
 			   struct genl_info *info, void *arg)
 {
@@ -127,6 +133,40 @@ static int ctrl_msg_parser(struct nl_cache_ops *ops, struct genl_cmd *cmd,
 		}
 	}
 
+	if (info->attrs[CTRL_ATTR_MCAST_GROUPS]) {
+		struct nlattr *nla, *nla_grps;
+		int remaining;
+
+		nla_grps = info->attrs[CTRL_ATTR_MCAST_GROUPS];
+		nla_for_each_nested(nla, nla_grps, remaining) {
+			struct nlattr *tb[CTRL_ATTR_MCAST_GRP_MAX+1];
+			int id;
+			const char * name;
+
+			err = nla_parse_nested(tb, CTRL_ATTR_MCAST_GRP_MAX, nla,
+					       family_grp_policy);
+			if (err < 0)
+				goto errout;
+
+			if (tb[CTRL_ATTR_MCAST_GRP_ID] == NULL) {
+				err = -NLE_MISSING_ATTR;
+				goto errout;
+			}
+			id = nla_get_u32(tb[CTRL_ATTR_MCAST_GRP_ID]);
+
+			if (tb[CTRL_ATTR_MCAST_GRP_NAME] == NULL) {
+				err = -NLE_MISSING_ATTR;
+				goto errout;
+			}
+			name = nla_get_string(tb[CTRL_ATTR_MCAST_GRP_NAME]);
+
+			err = genl_family_add_grp(family, id, name);
+			if (err < 0)
+				goto errout;
+		}
+
+	}
+
 	err = pp->pp_cb((struct nl_object *) family, pp);
 errout:
 	genl_family_put(family);
@@ -242,6 +282,44 @@ errout:
 	return err;
 }
 
+static int genl_ctrl_grp_by_name(const struct genl_family *family,
+				const char *grp_name)
+{
+	struct genl_family_grp *grp;
+
+	nl_list_for_each_entry(grp, &family->gf_mc_grps, list) {
+		if (!strcmp(grp->name, grp_name)) {
+			return grp->id;
+		}
+	}
+
+	return -NLE_OBJ_NOTFOUND;
+}
+
+int genl_ctrl_resolve_grp(struct nl_sock *sk, const char *family_name,
+	const char *grp_name)
+{
+	struct nl_cache *cache;
+	struct genl_family *family;
+	int err;
+
+	if ((err = genl_ctrl_alloc_cache(sk, &cache)) < 0)
+		return err;
+
+	family = genl_ctrl_search_by_name(cache, family_name);
+	if (family == NULL) {
+		err = -NLE_OBJ_NOTFOUND;
+		goto errout;
+	}
+
+	err = genl_ctrl_grp_by_name(family, grp_name);
+	genl_family_put(family);
+errout:
+	nl_cache_free(cache);
+
+	return err;
+}
+
 /** @} */
 
 static struct genl_cmd genl_cmds[] = {
diff --git a/package/libs/libnl-tiny/src/genl_family.c b/package/libs/libnl-tiny/src/genl_family.c
index 88aaad9b77..221acfa1a7 100644
--- a/package/libs/libnl-tiny/src/genl_family.c
+++ b/package/libs/libnl-tiny/src/genl_family.c
@@ -31,12 +31,14 @@ static void family_constructor(struct nl_object *c)
 	struct genl_family *family = (struct genl_family *) c;
 
 	nl_init_list_head(&family->gf_ops);
+	nl_init_list_head(&family->gf_mc_grps);
 }
 
 static void family_free_data(struct nl_object *c)
 {
 	struct genl_family *family = (struct genl_family *) c;
 	struct genl_family_op *ops, *tmp;
+	struct genl_family_grp *grp, *t_grp;
 
 	if (family == NULL)
 		return;
@@ -45,6 +47,12 @@ static void family_free_data(struct nl_object *c)
 		nl_list_del(&ops->o_list);
 		free(ops);
 	}
+
+	nl_list_for_each_entry_safe(grp, t_grp, &family->gf_mc_grps, list) {
+		nl_list_del(&grp->list);
+		free(grp);
+	}
+
 }
 
 static int family_clone(struct nl_object *_dst, struct nl_object *_src)
@@ -52,6 +60,7 @@ static int family_clone(struct nl_object *_dst, struct nl_object *_src)
 	struct genl_family *dst = nl_object_priv(_dst);
 	struct genl_family *src = nl_object_priv(_src);
 	struct genl_family_op *ops;
+	struct genl_family_grp *grp;
 	int err;
 
 	nl_list_for_each_entry(ops, &src->gf_ops, o_list) {
@@ -59,6 +68,13 @@ static int family_clone(struct nl_object *_dst, struct nl_object *_src)
 		if (err < 0)
 			return err;
 	}
+
+	nl_list_for_each_entry(grp, &src->gf_mc_grps, list) {
+		err = genl_family_add_grp(dst, grp->id, grp->name);
+		if (err < 0)
+			return err;
+	}
+
 	
 	return 0;
 }
@@ -119,6 +135,23 @@ int genl_family_add_op(struct genl_family *family, int id, int flags)
 	return 0;
 }
 
+int genl_family_add_grp(struct genl_family *family, uint32_t id,
+			const char *name)
+{
+	struct genl_family_grp *grp;
+
+	grp = calloc(1, sizeof(*grp));
+	if (grp == NULL)
+		return -NLE_NOMEM;
+
+	grp->id = id;
+	strncpy(grp->name, name, GENL_NAMSIZ - 1);
+
+	nl_list_add_tail(&grp->list, &family->gf_mc_grps);
+
+	return 0;
+}
+
 /** @} */
 
 /** @cond SKIP */
diff --git a/package/libs/libnl-tiny/src/include/netlink-types.h b/package/libs/libnl-tiny/src/include/netlink-types.h
index 0d005935c3..65f7f6c0b8 100644
--- a/package/libs/libnl-tiny/src/include/netlink-types.h
+++ b/package/libs/libnl-tiny/src/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/package/libs/libnl-tiny/src/include/netlink/genl/ctrl.h b/package/libs/libnl-tiny/src/include/netlink/genl/ctrl.h
index 1ae62f4480..26a0a9967b 100644
--- a/package/libs/libnl-tiny/src/include/netlink/genl/ctrl.h
+++ b/package/libs/libnl-tiny/src/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/package/libs/libnl-tiny/src/include/netlink/genl/family.h b/package/libs/libnl-tiny/src/include/netlink/genl/family.h
index 0257cbe273..b7cf48fb78 100644
--- a/package/libs/libnl-tiny/src/include/netlink/genl/family.h
+++ b/package/libs/libnl-tiny/src/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/package/libs/libnl-tiny/src/include/netlink/socket.h b/package/libs/libnl-tiny/src/include/netlink/socket.h
index 9f7f4220aa..bcb934c50b 100644
--- a/package/libs/libnl-tiny/src/include/netlink/socket.h
+++ b/package/libs/libnl-tiny/src/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
  * @{
diff --git a/package/libs/libnl-tiny/src/nl.c b/package/libs/libnl-tiny/src/nl.c
index ea7d96898b..2fb866eca9 100644
--- a/package/libs/libnl-tiny/src/nl.c
+++ b/package/libs/libnl-tiny/src/nl.c
@@ -366,7 +366,7 @@ errout:
  * Receives a netlink message, allocates a buffer in \c *buf and
  * stores the message content. The peer's netlink address is stored
  * in \c *nla. The caller is responsible for freeing the buffer allocated
- * in \c *buf if a positive value is returned.  Interruped system calls
+ * in \c *buf if a positive value is returned.  Interrupted system calls
  * are handled by repeating the read. The input buffer size is determined
  * by peeking before the actual read is done.
  *