diff --git a/include/uapi/linux/tipc.h b/include/uapi/linux/tipc.h
index 5f7b2c4..ef41c11 100644
--- a/include/uapi/linux/tipc.h
+++ b/include/uapi/linux/tipc.h
@@ -238,6 +238,7 @@ struct sockaddr_tipc {
  * Flag values
  */
 #define TIPC_GROUP_LOOPBACK     0x1  /* Receive copy of sent msg when match */
+#define TIPC_GROUP_MEMBER_EVTS  0x2  /* Receive membership events in socket */
 
 struct tipc_group_req {
 	__u32 type;      /* group id */
diff --git a/net/tipc/group.c b/net/tipc/group.c
index beb214a..1bfa934 100644
--- a/net/tipc/group.c
+++ b/net/tipc/group.c
@@ -59,6 +59,7 @@ enum mbr_state {
 struct tipc_member {
 	struct rb_node tree_node;
 	struct list_head list;
+	struct sk_buff *event_msg;
 	u32 node;
 	u32 port;
 	u32 instance;
@@ -79,6 +80,7 @@ struct tipc_group {
 	u16 member_cnt;
 	u16 bc_snd_nxt;
 	bool loopback;
+	bool events;
 };
 
 static void tipc_group_proto_xmit(struct tipc_group *grp, struct tipc_member *m,
@@ -117,6 +119,7 @@ struct tipc_group *tipc_group_create(struct net *net, u32 portid,
 	grp->instance = mreq->instance;
 	grp->scope = mreq->scope;
 	grp->loopback = mreq->flags & TIPC_GROUP_LOOPBACK;
+	grp->events = mreq->flags & TIPC_GROUP_MEMBER_EVTS;
 	if (tipc_topsrv_kern_subscr(net, portid, type, 0, ~0, &grp->subid))
 		return grp;
 	kfree(grp);
@@ -279,6 +282,13 @@ void tipc_group_filter_msg(struct tipc_group *grp, struct sk_buff_head *inputq,
 	if (!msg_in_group(hdr))
 		goto drop;
 
+	if (mtyp == TIPC_GRP_MEMBER_EVT) {
+		if (!grp->events)
+			goto drop;
+		__skb_queue_tail(inputq, skb);
+		return;
+	}
+
 	m = tipc_group_find_member(grp, node, port);
 	if (!tipc_group_is_receiver(m))
 		goto drop;
@@ -311,6 +321,7 @@ static void tipc_group_proto_xmit(struct tipc_group *grp, struct tipc_member *m,
 }
 
 void tipc_group_proto_rcv(struct tipc_group *grp, struct tipc_msg *hdr,
+			  struct sk_buff_head *inputq,
 			  struct sk_buff_head *xmitq)
 {
 	u32 node = msg_orignode(hdr);
@@ -332,10 +343,12 @@ void tipc_group_proto_rcv(struct tipc_group *grp, struct tipc_msg *hdr,
 		m->bc_rcv_nxt = msg_grp_bc_syncpt(hdr);
 
 		/* Wait until PUBLISH event is received */
-		if (m->state == MBR_DISCOVERED)
+		if (m->state == MBR_DISCOVERED) {
 			m->state = MBR_JOINING;
-		else if (m->state == MBR_PUBLISHED)
+		} else if (m->state == MBR_PUBLISHED) {
 			m->state = MBR_JOINED;
+			__skb_queue_tail(inputq, m->event_msg);
+		}
 		return;
 	case GRP_LEAVE_MSG:
 		if (!m)
@@ -347,6 +360,7 @@ void tipc_group_proto_rcv(struct tipc_group *grp, struct tipc_msg *hdr,
 			return;
 		}
 		/* Otherwise deliver already received WITHDRAW event */
+		__skb_queue_tail(inputq, m->event_msg);
 		tipc_group_delete_member(grp, m);
 		return;
 	default:
@@ -354,16 +368,17 @@ void tipc_group_proto_rcv(struct tipc_group *grp, struct tipc_msg *hdr,
 	}
 }
 
-/* tipc_group_member_evt() - receive and handle a member up/down event
- */
 void tipc_group_member_evt(struct tipc_group *grp,
 			   struct sk_buff *skb,
+			   struct sk_buff_head *inputq,
 			   struct sk_buff_head *xmitq)
 {
 	struct tipc_msg *hdr = buf_msg(skb);
 	struct tipc_event *evt = (void *)msg_data(hdr);
+	u32 instance = evt->found_lower;
 	u32 node = evt->port.node;
 	u32 port = evt->port.ref;
+	int event = evt->event;
 	struct tipc_member *m;
 	struct net *net;
 	u32 self;
@@ -376,32 +391,51 @@ void tipc_group_member_evt(struct tipc_group *grp,
 	if (!grp->loopback && node == self && port == grp->portid)
 		goto drop;
 
+	/* Convert message before delivery to user */
+	msg_set_hdr_sz(hdr, GROUP_H_SIZE);
+	msg_set_user(hdr, TIPC_CRITICAL_IMPORTANCE);
+	msg_set_type(hdr, TIPC_GRP_MEMBER_EVT);
+	msg_set_origport(hdr, port);
+	msg_set_orignode(hdr, node);
+	msg_set_nametype(hdr, grp->type);
+	msg_set_grp_evt(hdr, event);
+
 	m = tipc_group_find_member(grp, node, port);
 
-	if (evt->event == TIPC_PUBLISHED) {
+	if (event == TIPC_PUBLISHED) {
 		if (!m)
 			m = tipc_group_create_member(grp, node, port,
 						     MBR_DISCOVERED);
 		if (!m)
 			goto drop;
 
-		/* Wait if JOIN message not yet received */
-		if (m->state == MBR_DISCOVERED)
+		/* Hold back event if JOIN message not yet received */
+		if (m->state == MBR_DISCOVERED) {
+			m->event_msg = skb;
 			m->state = MBR_PUBLISHED;
-		else
+		} else {
+			__skb_queue_tail(inputq, skb);
 			m->state = MBR_JOINED;
-		m->instance = evt->found_lower;
+		}
+		m->instance = instance;
+		TIPC_SKB_CB(skb)->orig_member = m->instance;
 		tipc_group_proto_xmit(grp, m, GRP_JOIN_MSG, xmitq);
-	} else if (evt->event == TIPC_WITHDRAWN) {
+	} else if (event == TIPC_WITHDRAWN) {
 		if (!m)
 			goto drop;
 
-		/* Keep back event if more messages might be expected */
-		if (m->state != MBR_LEAVING && tipc_node_is_up(net, node))
+		TIPC_SKB_CB(skb)->orig_member = m->instance;
+
+		/* Hold back event if more messages might be expected */
+		if (m->state != MBR_LEAVING && tipc_node_is_up(net, node)) {
+			m->event_msg = skb;
 			m->state = MBR_LEAVING;
-		else
+		} else {
+			__skb_queue_tail(inputq, skb);
 			tipc_group_delete_member(grp, m);
+		}
 	}
+	return;
 drop:
 	kfree_skb(skb);
 }
diff --git a/net/tipc/group.h b/net/tipc/group.h
index 9bdf447..5d3f10d 100644
--- a/net/tipc/group.h
+++ b/net/tipc/group.h
@@ -54,9 +54,11 @@ void tipc_group_filter_msg(struct tipc_group *grp,
 			   struct sk_buff_head *xmitq);
 void tipc_group_member_evt(struct tipc_group *grp,
 			   struct sk_buff *skb,
+			   struct sk_buff_head *inputq,
 			   struct sk_buff_head *xmitq);
 void tipc_group_proto_rcv(struct tipc_group *grp,
 			  struct tipc_msg *hdr,
+			  struct sk_buff_head *inputq,
 			  struct sk_buff_head *xmitq);
 void tipc_group_update_bc_members(struct tipc_group *grp);
 u16 tipc_group_bc_snd_nxt(struct tipc_group *grp);
diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index e438716..1b527b1 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -65,7 +65,8 @@ struct plist;
 #define TIPC_MCAST_MSG          1
 #define TIPC_NAMED_MSG          2
 #define TIPC_DIRECT_MSG         3
-#define TIPC_GRP_BCAST_MSG      4
+#define TIPC_GRP_MEMBER_EVT     4
+#define TIPC_GRP_BCAST_MSG      5
 
 /*
  * Internal message users
@@ -258,7 +259,14 @@ static inline void msg_set_type(struct tipc_msg *m, u32 n)
 
 static inline int msg_in_group(struct tipc_msg *m)
 {
-	return (msg_type(m) == TIPC_GRP_BCAST_MSG);
+	int mtyp = msg_type(m);
+
+	return (mtyp == TIPC_GRP_BCAST_MSG) || (mtyp == TIPC_GRP_MEMBER_EVT);
+}
+
+static inline bool msg_is_grp_evt(struct tipc_msg *m)
+{
+	return msg_type(m) == TIPC_GRP_MEMBER_EVT;
 }
 
 static inline u32 msg_named(struct tipc_msg *m)
@@ -824,6 +832,16 @@ static inline void msg_set_grp_bc_syncpt(struct tipc_msg *m, u16 n)
 
 /* Word 10
  */
+static inline u16 msg_grp_evt(struct tipc_msg *m)
+{
+	return msg_bits(m, 10, 0, 0x3);
+}
+
+static inline void msg_set_grp_evt(struct tipc_msg *m, int n)
+{
+	msg_set_bits(m, 10, 0, 0x3, n);
+}
+
 static inline u16 msg_grp_bc_seqno(struct tipc_msg *m)
 {
 	return msg_bits(m, 10, 16, 0xffff);
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 25ecf12..0a2eac30 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -709,41 +709,43 @@ static unsigned int tipc_poll(struct file *file, struct socket *sock,
 			      poll_table *wait)
 {
 	struct sock *sk = sock->sk;
+	struct sk_buff *skb = skb_peek(&sk->sk_receive_queue);
 	struct tipc_sock *tsk = tipc_sk(sk);
 	struct tipc_group *grp = tsk->group;
-	u32 mask = 0;
+	u32 revents = 0;
 
 	sock_poll_wait(file, sk_sleep(sk), wait);
 
 	if (sk->sk_shutdown & RCV_SHUTDOWN)
-		mask |= POLLRDHUP | POLLIN | POLLRDNORM;
+		revents |= POLLRDHUP | POLLIN | POLLRDNORM;
 	if (sk->sk_shutdown == SHUTDOWN_MASK)
-		mask |= POLLHUP;
+		revents |= POLLHUP;
 
 	switch (sk->sk_state) {
 	case TIPC_ESTABLISHED:
 		if (!tsk->cong_link_cnt && !tsk_conn_cong(tsk))
-			mask |= POLLOUT;
+			revents |= POLLOUT;
 		/* fall thru' */
 	case TIPC_LISTEN:
 	case TIPC_CONNECTING:
-		if (!skb_queue_empty(&sk->sk_receive_queue))
-			mask |= (POLLIN | POLLRDNORM);
+		if (skb)
+			revents |= POLLIN | POLLRDNORM;
 		break;
 	case TIPC_OPEN:
 		if (!grp || tipc_group_size(grp))
 			if (!tsk->cong_link_cnt)
-				mask |= POLLOUT;
-		if (tipc_sk_type_connectionless(sk) &&
-		    (!skb_queue_empty(&sk->sk_receive_queue)))
-			mask |= (POLLIN | POLLRDNORM);
+				revents |= POLLOUT;
+		if (!tipc_sk_type_connectionless(sk))
+			break;
+		if (!skb)
+			break;
+		revents |= POLLIN | POLLRDNORM;
 		break;
 	case TIPC_DISCONNECTING:
-		mask = (POLLIN | POLLRDNORM | POLLHUP);
+		revents = POLLIN | POLLRDNORM | POLLHUP;
 		break;
 	}
-
-	return mask;
+	return revents;
 }
 
 /**
@@ -1415,11 +1417,12 @@ static int tipc_recvmsg(struct socket *sock, struct msghdr *m,
 			size_t buflen,	int flags)
 {
 	struct sock *sk = sock->sk;
-	struct tipc_sock *tsk = tipc_sk(sk);
-	struct sk_buff *skb;
-	struct tipc_msg *hdr;
 	bool connected = !tipc_sk_type_connectionless(sk);
+	struct tipc_sock *tsk = tipc_sk(sk);
 	int rc, err, hlen, dlen, copy;
+	struct tipc_msg *hdr;
+	struct sk_buff *skb;
+	bool grp_evt;
 	long timeout;
 
 	/* Catch invalid receive requests */
@@ -1443,6 +1446,7 @@ static int tipc_recvmsg(struct socket *sock, struct msghdr *m,
 		dlen = msg_data_sz(hdr);
 		hlen = msg_hdr_sz(hdr);
 		err = msg_errcode(hdr);
+		grp_evt = msg_is_grp_evt(hdr);
 		if (likely(dlen || err))
 			break;
 		tsk_advance_rx_queue(sk);
@@ -1469,11 +1473,20 @@ static int tipc_recvmsg(struct socket *sock, struct msghdr *m,
 	if (unlikely(rc))
 		goto exit;
 
+	/* Mark message as group event if applicable */
+	if (unlikely(grp_evt)) {
+		if (msg_grp_evt(hdr) == TIPC_WITHDRAWN)
+			m->msg_flags |= MSG_EOR;
+		m->msg_flags |= MSG_OOB;
+		copy = 0;
+	}
+
 	/* Caption of data or error code/rejected data was successful */
 	if (unlikely(flags & MSG_PEEK))
 		goto exit;
 
 	tsk_advance_rx_queue(sk);
+
 	if (likely(!connected))
 		goto exit;
 
@@ -1648,10 +1661,10 @@ static void tipc_sk_proto_rcv(struct sock *sk,
 		sk->sk_write_space(sk);
 		break;
 	case GROUP_PROTOCOL:
-		tipc_group_proto_rcv(grp, hdr, xmitq);
+		tipc_group_proto_rcv(grp, hdr, inputq, xmitq);
 		break;
 	case TOP_SRV:
-		tipc_group_member_evt(tsk->group, skb, xmitq);
+		tipc_group_member_evt(tsk->group, skb, inputq, xmitq);
 		skb = NULL;
 		break;
 	default: