diff --git a/net/tipc/link.c b/net/tipc/link.c
index 2ccdb6ffd5c8..d5f4005f388f 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -48,7 +48,7 @@
 /*
  * Error message prefixes
  */
-static const char *link_co_err = "Link changeover error, ";
+static const char *link_co_err = "Link tunneling error, ";
 static const char *link_rst_msg = "Resetting link ";
 static const char *link_unk_evt = "Unknown link event ";
 
@@ -139,24 +139,6 @@ static void tipc_link_build_bcast_sync_msg(struct tipc_link *l,
 static void tipc_link_sync_rcv(struct tipc_node *n, struct sk_buff *buf);
 static int tipc_link_input(struct tipc_link *l, struct sk_buff *skb);
 static bool tipc_data_input(struct tipc_link *l, struct sk_buff *skb);
-static int tipc_link_failover_rcv(struct tipc_link *l, struct sk_buff **skb);
-
-/*
- *  Simple link routines
- */
-static unsigned int align(unsigned int i)
-{
-	return (i + 3) & ~3u;
-}
-
-static struct tipc_link *tipc_parallel_link(struct tipc_link *l)
-{
-	struct tipc_node *n = l->owner;
-
-	if (node_active_link(n, 0) != l)
-		return node_active_link(n, 0);
-	return node_active_link(n, 1);
-}
 
 /*
  *  Simple non-static link routines (i.e. referenced outside this file)
@@ -394,12 +376,10 @@ static int tipc_link_fsm_evt(struct tipc_link *l, int evt,
 	/* Perform actions as decided by FSM */
 	if (actions & LINK_RESET) {
 		l->exec_mode = TIPC_LINK_BLOCKED;
-		rc |= TIPC_LINK_DOWN_EVT;
-	}
-	if (actions & LINK_ACTIVATE) {
-		l->exec_mode = TIPC_LINK_OPEN;
-		rc |= TIPC_LINK_UP_EVT;
+		rc = TIPC_LINK_DOWN_EVT;
 	}
+	if (actions & LINK_ACTIVATE)
+		rc = TIPC_LINK_UP_EVT;
 	if (actions & (SND_STATE | SND_PROBE))
 		mtyp = STATE_MSG;
 	if (actions & SND_RESET)
@@ -461,6 +441,9 @@ int tipc_link_timeout(struct tipc_link *l, struct sk_buff_head *xmitq)
 {
 	int rc = 0;
 
+	if (l->exec_mode == TIPC_LINK_BLOCKED)
+		return rc;
+
 	link_profile_stats(l);
 	if (l->silent_intv_cnt)
 		rc = tipc_link_fsm_evt(l, SILENCE_EVT, xmitq);
@@ -563,52 +546,42 @@ void tipc_link_purge_queues(struct tipc_link *l_ptr)
 	tipc_link_reset_fragments(l_ptr);
 }
 
-void tipc_link_reset(struct tipc_link *l_ptr)
+void tipc_link_reset(struct tipc_link *l)
 {
-	u32 prev_state = l_ptr->state;
-	struct tipc_node *owner = l_ptr->owner;
-	struct tipc_link *pl = tipc_parallel_link(l_ptr);
+	struct tipc_node *owner = l->owner;
 
-	msg_set_session(l_ptr->pmsg, ((msg_session(l_ptr->pmsg) + 1) & 0xffff));
+	l->state = TIPC_LINK_RESETTING;
 
 	/* Link is down, accept any session */
-	l_ptr->peer_session = WILDCARD_SESSION;
+	l->peer_session = WILDCARD_SESSION;
+
+	/* If peer is up, it only accepts an incremented session number */
+	msg_set_session(l->pmsg, msg_session(l->pmsg) + 1);
 
 	/* Prepare for renewed mtu size negotiation */
-	l_ptr->mtu = l_ptr->advertised_mtu;
+	l->mtu = l->advertised_mtu;
 
-	l_ptr->state = TIPC_LINK_RESETTING;
-
-	if ((prev_state == TIPC_LINK_RESETTING) ||
-	    (prev_state == TIPC_LINK_ESTABLISHING))
-		return;
-
-	if (tipc_node_is_up(l_ptr->owner) && (pl != l_ptr)) {
-		l_ptr->exec_mode = TIPC_LINK_BLOCKED;
-		l_ptr->failover_checkpt = l_ptr->rcv_nxt;
-		pl->failover_pkts = FIRST_FAILOVER;
-		pl->failover_checkpt = l_ptr->rcv_nxt;
-		pl->failover_skb = l_ptr->reasm_buf;
-	} else {
-		kfree_skb(l_ptr->reasm_buf);
-	}
 	/* Clean up all queues, except inputq: */
-	__skb_queue_purge(&l_ptr->transmq);
-	__skb_queue_purge(&l_ptr->deferdq);
+	__skb_queue_purge(&l->transmq);
+	__skb_queue_purge(&l->deferdq);
 	if (!owner->inputq)
-		owner->inputq = l_ptr->inputq;
-	skb_queue_splice_init(&l_ptr->wakeupq, owner->inputq);
+		owner->inputq = l->inputq;
+	skb_queue_splice_init(&l->wakeupq, owner->inputq);
 	if (!skb_queue_empty(owner->inputq))
 		owner->action_flags |= TIPC_MSG_EVT;
-	tipc_link_purge_backlog(l_ptr);
-	l_ptr->reasm_buf = NULL;
-	l_ptr->rcv_unacked = 0;
-	l_ptr->snd_nxt = 1;
-	l_ptr->rcv_nxt = 1;
-	l_ptr->silent_intv_cnt = 0;
-	l_ptr->stats.recv_info = 0;
-	l_ptr->stale_count = 0;
-	link_reset_statistics(l_ptr);
+
+	tipc_link_purge_backlog(l);
+	kfree_skb(l->reasm_buf);
+	kfree_skb(l->failover_reasm_skb);
+	l->reasm_buf = NULL;
+	l->failover_reasm_skb = NULL;
+	l->rcv_unacked = 0;
+	l->snd_nxt = 1;
+	l->rcv_nxt = 1;
+	l->silent_intv_cnt = 0;
+	l->stats.recv_info = 0;
+	l->stale_count = 0;
+	link_reset_statistics(l);
 }
 
 /**
@@ -751,20 +724,6 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
 	return 0;
 }
 
-static void skb2list(struct sk_buff *skb, struct sk_buff_head *list)
-{
-	skb_queue_head_init(list);
-	__skb_queue_tail(list, skb);
-}
-
-static int __tipc_link_xmit_skb(struct tipc_link *link, struct sk_buff *skb)
-{
-	struct sk_buff_head head;
-
-	skb2list(skb, &head);
-	return __tipc_link_xmit(link->owner->net, link, &head);
-}
-
 /*
  * tipc_link_sync_rcv - synchronize broadcast link endpoints.
  * Receive the sequence number where we should start receiving and
@@ -955,32 +914,6 @@ static int tipc_link_retransm(struct tipc_link *l, int retransm,
 	return 0;
 }
 
-/* link_synch(): check if all packets arrived before the synch
- *               point have been consumed
- * Returns true if the parallel links are synched, otherwise false
- */
-static bool link_synch(struct tipc_link *l)
-{
-	unsigned int post_synch;
-	struct tipc_link *pl;
-
-	pl  = tipc_parallel_link(l);
-	if (pl == l)
-		goto synched;
-
-	/* Was last pre-synch packet added to input queue ? */
-	if (less_eq(pl->rcv_nxt, l->synch_point))
-		return false;
-
-	/* Is it still in the input queue ? */
-	post_synch = mod(pl->rcv_nxt - l->synch_point) - 1;
-	if (skb_queue_len(pl->inputq) > post_synch)
-		return false;
-synched:
-	l->exec_mode = TIPC_LINK_OPEN;
-	return true;
-}
-
 /* tipc_data_input - deliver data and name distr msgs to upper layer
  *
  * Consumes buffer if message is of right type
@@ -1025,54 +958,59 @@ static bool tipc_data_input(struct tipc_link *link, struct sk_buff *skb)
 /* tipc_link_input - process packet that has passed link protocol check
  *
  * Consumes buffer
- * Node lock must be held
  */
-static int tipc_link_input(struct tipc_link *link, struct sk_buff *skb)
+static int tipc_link_input(struct tipc_link *l, struct sk_buff *skb)
 {
-	struct tipc_node *node = link->owner;
-	struct tipc_msg *msg = buf_msg(skb);
+	struct tipc_node *node = l->owner;
+	struct tipc_msg *hdr = buf_msg(skb);
+	struct sk_buff **reasm_skb = &l->reasm_buf;
 	struct sk_buff *iskb;
-	int pos = 0;
+	int usr = msg_user(hdr);
 	int rc = 0;
+	int pos = 0;
+	int ipos = 0;
 
-	switch (msg_user(msg)) {
-	case TUNNEL_PROTOCOL:
-		if (msg_dup(msg)) {
-			link->exec_mode = TIPC_LINK_TUNNEL;
-			link->synch_point = msg_seqno(msg_get_wrapped(msg));
-			kfree_skb(skb);
-			break;
+	if (unlikely(usr == TUNNEL_PROTOCOL)) {
+		if (msg_type(hdr) == SYNCH_MSG) {
+			__skb_queue_purge(&l->deferdq);
+			goto drop;
 		}
-		rc |= tipc_link_failover_rcv(link, &skb);
-		if (!skb)
-			break;
-		if (msg_user(buf_msg(skb)) != MSG_BUNDLER) {
-			tipc_data_input(link, skb);
-			break;
-		}
-	case MSG_BUNDLER:
-		link->stats.recv_bundles++;
-		link->stats.recv_bundled += msg_msgcnt(msg);
+		if (!tipc_msg_extract(skb, &iskb, &ipos))
+			return rc;
+		kfree_skb(skb);
+		skb = iskb;
+		hdr = buf_msg(skb);
+		if (less(msg_seqno(hdr), l->drop_point))
+			goto drop;
+		if (tipc_data_input(l, skb))
+			return rc;
+		usr = msg_user(hdr);
+		reasm_skb = &l->failover_reasm_skb;
+	}
 
+	if (usr == MSG_BUNDLER) {
+		l->stats.recv_bundles++;
+		l->stats.recv_bundled += msg_msgcnt(hdr);
 		while (tipc_msg_extract(skb, &iskb, &pos))
-			tipc_data_input(link, iskb);
-		break;
-	case MSG_FRAGMENTER:
-		link->stats.recv_fragments++;
-		if (tipc_buf_append(&link->reasm_buf, &skb)) {
-			link->stats.recv_fragmented++;
-			tipc_data_input(link, skb);
-		} else if (!link->reasm_buf) {
-			link->exec_mode = TIPC_LINK_BLOCKED;
-			rc |= TIPC_LINK_DOWN_EVT;
+			tipc_data_input(l, iskb);
+		return rc;
+	} else if (usr == MSG_FRAGMENTER) {
+		l->stats.recv_fragments++;
+		if (tipc_buf_append(reasm_skb, &skb)) {
+			l->stats.recv_fragmented++;
+			tipc_data_input(l, skb);
+		} else if (!*reasm_skb) {
+			l->exec_mode = TIPC_LINK_BLOCKED;
+			l->state = TIPC_LINK_RESETTING;
+			rc = TIPC_LINK_DOWN_EVT;
 		}
-		break;
-	case BCAST_PROTOCOL:
+		return rc;
+	} else if (usr == BCAST_PROTOCOL) {
 		tipc_link_sync_rcv(node, skb);
-		break;
-	default:
-		break;
-	};
+		return rc;
+	}
+drop:
+	kfree_skb(skb);
 	return rc;
 }
 
@@ -1100,7 +1038,6 @@ int tipc_link_rcv(struct tipc_link *l, struct sk_buff *skb,
 		  struct sk_buff_head *xmitq)
 {
 	struct sk_buff_head *arrvq = &l->deferdq;
-	struct sk_buff *tmp;
 	struct tipc_msg *hdr;
 	u16 seqno, rcv_nxt;
 	int rc = 0;
@@ -1112,18 +1049,18 @@ int tipc_link_rcv(struct tipc_link *l, struct sk_buff *skb,
 		return rc;
 	}
 
-	skb_queue_walk_safe(arrvq, skb, tmp) {
+	while ((skb = skb_peek(arrvq))) {
 		hdr = buf_msg(skb);
 
 		/* Verify and update link state */
 		if (unlikely(msg_user(hdr) == LINK_PROTOCOL)) {
 			__skb_dequeue(arrvq);
-			rc |= tipc_link_proto_rcv(l, skb, xmitq);
+			rc = tipc_link_proto_rcv(l, skb, xmitq);
 			continue;
 		}
 
 		if (unlikely(!link_working(l))) {
-			rc |= tipc_link_fsm_evt(l, TRAFFIC_EVT, xmitq);
+			rc = tipc_link_fsm_evt(l, TRAFFIC_EVT, xmitq);
 			if (!link_working(l)) {
 				kfree_skb(__skb_dequeue(arrvq));
 				return rc;
@@ -1156,18 +1093,11 @@ int tipc_link_rcv(struct tipc_link *l, struct sk_buff *skb,
 			return rc;
 		}
 
-		/* Synchronize with parallel link if applicable */
-		if (unlikely(l->exec_mode == TIPC_LINK_TUNNEL))
-			if (!msg_dup(hdr) && !link_synch(l)) {
-				kfree_skb(skb);
-				return rc;
-			}
-
 		/* Packet can be delivered */
 		l->rcv_nxt++;
 		l->stats.recv_info++;
 		if (unlikely(!tipc_data_input(l, skb)))
-			rc |= tipc_link_input(l, skb);
+			rc = tipc_link_input(l, skb);
 
 		/* Ack at regular intervals */
 		if (unlikely(++l->rcv_unacked >= TIPC_MIN_LINK_WIN)) {
@@ -1288,7 +1218,7 @@ static void tipc_link_build_proto_msg(struct tipc_link *l, int mtyp, bool probe,
 	} else {
 		/* RESET_MSG or ACTIVATE_MSG */
 		msg_set_max_pkt(hdr, l->advertised_mtu);
-		msg_set_ack(hdr, l->failover_checkpt - 1);
+		msg_set_ack(hdr, l->rcv_nxt - 1);
 		msg_set_next_sent(hdr, 1);
 	}
 	skb = tipc_buf_acquire(msg_size(hdr));
@@ -1296,223 +1226,75 @@ static void tipc_link_build_proto_msg(struct tipc_link *l, int mtyp, bool probe,
 		return;
 	skb_copy_to_linear_data(skb, hdr, msg_size(hdr));
 	skb->priority = TC_PRIO_CONTROL;
-	__skb_queue_head(xmitq, skb);
+	__skb_queue_tail(xmitq, skb);
 }
 
-/* tipc_link_tunnel_xmit(): Tunnel one packet via a link belonging to
- * a different bearer. Owner node is locked.
+/* tipc_link_tnl_prepare(): prepare and return a list of tunnel packets
+ * with contents of the link's tranmsit and backlog queues.
  */
-static void tipc_link_tunnel_xmit(struct tipc_link *l_ptr,
-				  struct tipc_msg *tunnel_hdr,
-				  struct tipc_msg *msg,
-				  u32 selector)
+void tipc_link_tnl_prepare(struct tipc_link *l, struct tipc_link *tnl,
+			   int mtyp, struct sk_buff_head *xmitq)
 {
-	struct tipc_link *tunnel;
-	struct sk_buff *skb;
-	u32 length = msg_size(msg);
+	struct sk_buff *skb, *tnlskb;
+	struct tipc_msg *hdr, tnlhdr;
+	struct sk_buff_head *queue = &l->transmq;
+	struct sk_buff_head tmpxq, tnlq;
+	u16 pktlen, pktcnt, seqno = l->snd_nxt;
 
-	tunnel = node_active_link(l_ptr->owner, selector & 1);
-	if (!tipc_link_is_up(tunnel)) {
-		pr_warn("%stunnel link no longer available\n", link_co_err);
+	if (!tnl)
 		return;
-	}
-	msg_set_size(tunnel_hdr, length + INT_H_SIZE);
-	skb = tipc_buf_acquire(length + INT_H_SIZE);
+
+	skb_queue_head_init(&tnlq);
+	skb_queue_head_init(&tmpxq);
+
+	/* At least one packet required for safe algorithm => add dummy */
+	skb = tipc_msg_create(TIPC_LOW_IMPORTANCE, TIPC_DIRECT_MSG,
+			      BASIC_H_SIZE, 0, l->addr, link_own_addr(l),
+			      0, 0, TIPC_ERR_NO_PORT);
 	if (!skb) {
-		pr_warn("%sunable to send tunnel msg\n", link_co_err);
+		pr_warn("%sunable to create tunnel packet\n", link_co_err);
 		return;
 	}
-	skb_copy_to_linear_data(skb, tunnel_hdr, INT_H_SIZE);
-	skb_copy_to_linear_data_offset(skb, INT_H_SIZE, msg, length);
-	__tipc_link_xmit_skb(tunnel, skb);
-}
+	skb_queue_tail(&tnlq, skb);
+	tipc_link_xmit(l, &tnlq, &tmpxq);
+	__skb_queue_purge(&tmpxq);
 
-
-/* tipc_link_failover_send_queue(): A link has gone down, but a second
- * link is still active. We can do failover. Tunnel the failing link's
- * whole send queue via the remaining link. This way, we don't lose
- * any packets, and sequence order is preserved for subsequent traffic
- * sent over the remaining link. Owner node is locked.
- */
-void tipc_link_failover_send_queue(struct tipc_link *l_ptr)
-{
-	int msgcount;
-	struct tipc_link *tunnel = node_active_link(l_ptr->owner, 0);
-	struct tipc_msg tunnel_hdr;
-	struct sk_buff *skb;
-	int split_bundles;
-
-	if (!tunnel)
-		return;
-
-	tipc_msg_init(link_own_addr(l_ptr), &tunnel_hdr, TUNNEL_PROTOCOL,
-		      FAILOVER_MSG, INT_H_SIZE, l_ptr->addr);
-
-	skb_queue_walk(&l_ptr->backlogq, skb) {
-		msg_set_seqno(buf_msg(skb), l_ptr->snd_nxt);
-		l_ptr->snd_nxt = mod(l_ptr->snd_nxt + 1);
-	}
-	skb_queue_splice_tail_init(&l_ptr->backlogq, &l_ptr->transmq);
-	tipc_link_purge_backlog(l_ptr);
-	msgcount = skb_queue_len(&l_ptr->transmq);
-	msg_set_bearer_id(&tunnel_hdr, l_ptr->peer_bearer_id);
-	msg_set_msgcnt(&tunnel_hdr, msgcount);
-
-	if (skb_queue_empty(&l_ptr->transmq)) {
-		skb = tipc_buf_acquire(INT_H_SIZE);
-		if (skb) {
-			skb_copy_to_linear_data(skb, &tunnel_hdr, INT_H_SIZE);
-			msg_set_size(&tunnel_hdr, INT_H_SIZE);
-			__tipc_link_xmit_skb(tunnel, skb);
-		} else {
-			pr_warn("%sunable to send changeover msg\n",
-				link_co_err);
-		}
-		return;
-	}
-
-	split_bundles = (node_active_link(l_ptr->owner, 0) !=
-			 node_active_link(l_ptr->owner, 0));
-
-	skb_queue_walk(&l_ptr->transmq, skb) {
-		struct tipc_msg *msg = buf_msg(skb);
-
-		if ((msg_user(msg) == MSG_BUNDLER) && split_bundles) {
-			struct tipc_msg *m = msg_get_wrapped(msg);
-			unchar *pos = (unchar *)m;
-
-			msgcount = msg_msgcnt(msg);
-			while (msgcount--) {
-				msg_set_seqno(m, msg_seqno(msg));
-				tipc_link_tunnel_xmit(l_ptr, &tunnel_hdr, m,
-						      msg_link_selector(m));
-				pos += align(msg_size(m));
-				m = (struct tipc_msg *)pos;
-			}
-		} else {
-			tipc_link_tunnel_xmit(l_ptr, &tunnel_hdr, msg,
-					      msg_link_selector(msg));
-		}
-	}
-}
-
-/* tipc_link_dup_queue_xmit(): A second link has become active. Tunnel a
- * duplicate of the first link's send queue via the new link. This way, we
- * are guaranteed that currently queued packets from a socket are delivered
- * before future traffic from the same socket, even if this is using the
- * new link. The last arriving copy of each duplicate packet is dropped at
- * the receiving end by the regular protocol check, so packet cardinality
- * and sequence order is preserved per sender/receiver socket pair.
- * Owner node is locked.
- */
-void tipc_link_dup_queue_xmit(struct tipc_link *link,
-			      struct tipc_link *tnl)
-{
-	struct sk_buff *skb;
-	struct tipc_msg tnl_hdr;
-	struct sk_buff_head *queue = &link->transmq;
-	int mcnt;
-	u16 seqno;
-
-	tipc_msg_init(link_own_addr(link), &tnl_hdr, TUNNEL_PROTOCOL,
-		      SYNCH_MSG, INT_H_SIZE, link->addr);
-	mcnt = skb_queue_len(&link->transmq) + skb_queue_len(&link->backlogq);
-	msg_set_msgcnt(&tnl_hdr, mcnt);
-	msg_set_bearer_id(&tnl_hdr, link->peer_bearer_id);
-
-tunnel_queue:
+	/* Initialize reusable tunnel packet header */
+	tipc_msg_init(link_own_addr(l), &tnlhdr, TUNNEL_PROTOCOL,
+		      mtyp, INT_H_SIZE, l->addr);
+	pktcnt = skb_queue_len(&l->transmq) + skb_queue_len(&l->backlogq);
+	msg_set_msgcnt(&tnlhdr, pktcnt);
+	msg_set_bearer_id(&tnlhdr, l->peer_bearer_id);
+tnl:
+	/* Wrap each packet into a tunnel packet */
 	skb_queue_walk(queue, skb) {
-		struct sk_buff *outskb;
-		struct tipc_msg *msg = buf_msg(skb);
-		u32 len = msg_size(msg);
-
-		msg_set_ack(msg, mod(link->rcv_nxt - 1));
-		msg_set_bcast_ack(msg, link->owner->bclink.last_in);
-		msg_set_size(&tnl_hdr, len + INT_H_SIZE);
-		outskb = tipc_buf_acquire(len + INT_H_SIZE);
-		if (outskb == NULL) {
-			pr_warn("%sunable to send duplicate msg\n",
-				link_co_err);
+		hdr = buf_msg(skb);
+		if (queue == &l->backlogq)
+			msg_set_seqno(hdr, seqno++);
+		pktlen = msg_size(hdr);
+		msg_set_size(&tnlhdr, pktlen + INT_H_SIZE);
+		tnlskb = tipc_buf_acquire(pktlen + INT_H_SIZE);
+		if (!tnlskb) {
+			pr_warn("%sunable to send packet\n", link_co_err);
 			return;
 		}
-		skb_copy_to_linear_data(outskb, &tnl_hdr, INT_H_SIZE);
-		skb_copy_to_linear_data_offset(outskb, INT_H_SIZE,
-					       skb->data, len);
-		__tipc_link_xmit_skb(tnl, outskb);
-		if (!tipc_link_is_up(link))
-			return;
+		skb_copy_to_linear_data(tnlskb, &tnlhdr, INT_H_SIZE);
+		skb_copy_to_linear_data_offset(tnlskb, INT_H_SIZE, hdr, pktlen);
+		__skb_queue_tail(&tnlq, tnlskb);
 	}
-	if (queue == &link->backlogq)
-		return;
-	seqno = link->snd_nxt;
-	skb_queue_walk(&link->backlogq, skb) {
-		msg_set_seqno(buf_msg(skb), seqno);
-		seqno = mod(seqno + 1);
+	if (queue != &l->backlogq) {
+		queue = &l->backlogq;
+		goto tnl;
 	}
-	queue = &link->backlogq;
-	goto tunnel_queue;
-}
 
-/*  tipc_link_failover_rcv(): Receive a tunnelled FAILOVER_MSG packet
- *  Owner node is locked.
- */
-static int tipc_link_failover_rcv(struct tipc_link *link,
-				  struct sk_buff **skb)
-{
-	struct tipc_msg *msg = buf_msg(*skb);
-	struct sk_buff *iskb = NULL;
-	struct tipc_link *pl = NULL;
-	int bearer_id = msg_bearer_id(msg);
-	int pos = 0;
-	int rc = 0;
+	tipc_link_xmit(tnl, &tnlq, xmitq);
 
-	if (msg_type(msg) != FAILOVER_MSG) {
-		pr_warn("%sunknown tunnel pkt received\n", link_co_err);
-		goto exit;
+	if (mtyp == FAILOVER_MSG) {
+		tnl->drop_point = l->rcv_nxt;
+		tnl->failover_reasm_skb = l->reasm_buf;
+		l->reasm_buf = NULL;
+		l->exec_mode = TIPC_LINK_BLOCKED;
 	}
-	if (bearer_id >= MAX_BEARERS)
-		goto exit;
-
-	if (bearer_id == link->bearer_id)
-		goto exit;
-
-	pl = link->owner->links[bearer_id].link;
-
-	if (link->failover_pkts == FIRST_FAILOVER)
-		link->failover_pkts = msg_msgcnt(msg);
-
-	/* Should we expect an inner packet? */
-	if (!link->failover_pkts)
-		goto exit;
-
-	if (!tipc_msg_extract(*skb, &iskb, &pos)) {
-		pr_warn("%sno inner failover pkt\n", link_co_err);
-		*skb = NULL;
-		goto exit;
-	}
-	link->failover_pkts--;
-	*skb = NULL;
-
-	/* Was this packet already delivered? */
-	if (less(buf_seqno(iskb), link->failover_checkpt)) {
-		kfree_skb(iskb);
-		iskb = NULL;
-		goto exit;
-	}
-	if (msg_user(buf_msg(iskb)) == MSG_FRAGMENTER) {
-		link->stats.recv_fragments++;
-		if (!tipc_buf_append(&link->failover_skb, &iskb) &&
-		    !link->failover_skb) {
-			link->exec_mode = TIPC_LINK_BLOCKED;
-			rc |= TIPC_LINK_DOWN_EVT;
-		}
-	}
-exit:
-	if (!link->failover_pkts && pl)
-		pl->exec_mode = TIPC_LINK_OPEN;
-	kfree_skb(*skb);
-	*skb = iskb;
-	return rc;
 }
 
 /* tipc_link_proto_rcv(): receive link level protocol message :
@@ -1593,7 +1375,7 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
 
 		/* If NACK, retransmit will now start at right position */
 		if (nacked_gap) {
-			rc |= tipc_link_retransm(l, nacked_gap, xmitq);
+			rc = tipc_link_retransm(l, nacked_gap, xmitq);
 			l->stats.recv_nacks++;
 		}
 		tipc_link_advance_backlog(l, xmitq);
diff --git a/net/tipc/link.h b/net/tipc/link.h
index bb1378b7cb59..e377d9ba41c5 100644
--- a/net/tipc/link.h
+++ b/net/tipc/link.h
@@ -164,13 +164,11 @@ struct tipc_link {
 	struct tipc_msg *pmsg;
 	u32 priority;
 	char net_plane;
-	u8 exec_mode;
-	u16 synch_point;
 
-	/* Failover */
-	u16 failover_pkts;
-	u16 failover_checkpt;
-	struct sk_buff *failover_skb;
+	/* Failover/synch */
+	u8 exec_mode;
+	u16 drop_point;
+	struct sk_buff *failover_reasm_skb;
 
 	/* Max packet negotiation */
 	u16 mtu;
@@ -212,8 +210,8 @@ struct tipc_link *tipc_link_create(struct tipc_node *n,
 				   const struct tipc_media_addr *maddr,
 				   struct sk_buff_head *inputq,
 				   struct sk_buff_head *namedq);
-void tipc_link_failover_send_queue(struct tipc_link *l_ptr);
-void tipc_link_dup_queue_xmit(struct tipc_link *l_ptr, struct tipc_link *dest);
+void tipc_link_tnl_prepare(struct tipc_link *l, struct tipc_link *tnl,
+			   int mtyp, struct sk_buff_head *xmitq);
 void tipc_link_reset_fragments(struct tipc_link *l_ptr);
 int tipc_link_is_up(struct tipc_link *l_ptr);
 int tipc_link_is_active(struct tipc_link *l_ptr);
diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index 234fb0531d1d..115bb2aa6bed 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -110,7 +110,6 @@ struct tipc_skb_cb {
 	struct sk_buff *tail;
 	bool validated;
 	bool wakeup_pending;
-	bool bundling;
 	u16 chain_sz;
 	u16 chain_imp;
 };
@@ -559,15 +558,6 @@ static inline void msg_set_node_capabilities(struct tipc_msg *m, u32 n)
 	msg_set_bits(m, 1, 15, 0x1fff, n);
 }
 
-static inline bool msg_dup(struct tipc_msg *m)
-{
-	if (likely(msg_user(m) != TUNNEL_PROTOCOL))
-		return false;
-	if (msg_type(m) != SYNCH_MSG)
-		return false;
-	return true;
-}
-
 /*
  * Word 2
  */
@@ -621,12 +611,12 @@ static inline void msg_set_fragm_no(struct tipc_msg *m, u32 n)
 }
 
 
-static inline u32 msg_next_sent(struct tipc_msg *m)
+static inline u16 msg_next_sent(struct tipc_msg *m)
 {
 	return msg_bits(m, 4, 0, 0xffff);
 }
 
-static inline void msg_set_next_sent(struct tipc_msg *m, u32 n)
+static inline void msg_set_next_sent(struct tipc_msg *m, u16 n)
 {
 	msg_set_bits(m, 4, 0, 0xffff, n);
 }
@@ -727,12 +717,12 @@ static inline char *msg_media_addr(struct tipc_msg *m)
 /*
  * Word 9
  */
-static inline u32 msg_msgcnt(struct tipc_msg *m)
+static inline u16 msg_msgcnt(struct tipc_msg *m)
 {
 	return msg_bits(m, 9, 16, 0xffff);
 }
 
-static inline void msg_set_msgcnt(struct tipc_msg *m, u32 n)
+static inline void msg_set_msgcnt(struct tipc_msg *m, u16 n)
 {
 	msg_set_bits(m, 9, 16, 0xffff, n);
 }
@@ -767,19 +757,19 @@ static inline void msg_set_link_tolerance(struct tipc_msg *m, u32 n)
 	msg_set_bits(m, 9, 0, 0xffff, n);
 }
 
-static inline bool msg_is_traffic(struct tipc_msg *m)
+static inline bool msg_peer_link_is_up(struct tipc_msg *m)
 {
 	if (likely(msg_user(m) != LINK_PROTOCOL))
 		return true;
-	if ((msg_type(m) == RESET_MSG) || (msg_type(m) == ACTIVATE_MSG))
-		return false;
-	return true;
+	if (msg_type(m) == STATE_MSG)
+		return true;
+	return false;
 }
 
-static inline bool msg_peer_is_up(struct tipc_msg *m)
+static inline bool msg_peer_node_is_up(struct tipc_msg *m)
 {
-	if (likely(msg_is_traffic(m)))
-		return false;
+	if (msg_peer_link_is_up(m))
+		return true;
 	return msg_redundant_link(m);
 }
 
diff --git a/net/tipc/node.c b/net/tipc/node.c
index 6b18d73830ca..b0372bb107f6 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -42,6 +42,31 @@
 #include "bcast.h"
 #include "discover.h"
 
+/* Node FSM states and events:
+ */
+enum {
+	SELF_DOWN_PEER_DOWN    = 0xdd,
+	SELF_UP_PEER_UP        = 0xaa,
+	SELF_DOWN_PEER_LEAVING = 0xd1,
+	SELF_UP_PEER_COMING    = 0xac,
+	SELF_COMING_PEER_UP    = 0xca,
+	SELF_LEAVING_PEER_DOWN = 0x1d,
+	NODE_FAILINGOVER       = 0xf0,
+	NODE_SYNCHING          = 0xcc
+};
+
+enum {
+	SELF_ESTABL_CONTACT_EVT = 0xece,
+	SELF_LOST_CONTACT_EVT   = 0x1ce,
+	PEER_ESTABL_CONTACT_EVT = 0x9ece,
+	PEER_LOST_CONTACT_EVT   = 0x91ce,
+	NODE_FAILOVER_BEGIN_EVT = 0xfbe,
+	NODE_FAILOVER_END_EVT   = 0xfee,
+	NODE_SYNCH_BEGIN_EVT    = 0xcbe,
+	NODE_SYNCH_END_EVT      = 0xcee
+};
+
+static void tipc_node_link_down(struct tipc_node *n, int bearer_id);
 static void node_lost_contact(struct tipc_node *n_ptr);
 static void node_established_contact(struct tipc_node *n_ptr);
 static void tipc_node_delete(struct tipc_node *node);
@@ -281,69 +306,75 @@ static void tipc_node_timeout(unsigned long data)
  *
  * Link becomes active (alone or shared) or standby, depending on its priority.
  */
-void tipc_node_link_up(struct tipc_node *n, int bearer_id)
+static void tipc_node_link_up(struct tipc_node *n, int bearer_id,
+			      struct sk_buff_head *xmitq)
 {
 	int *slot0 = &n->active_links[0];
 	int *slot1 = &n->active_links[1];
-	struct tipc_link_entry *links = n->links;
-	struct tipc_link *l = n->links[bearer_id].link;
-
-	/* Leave room for tunnel header when returning 'mtu' to users: */
-	links[bearer_id].mtu = l->mtu - INT_H_SIZE;
+	struct tipc_link *ol = node_active_link(n, 0);
+	struct tipc_link *nl = n->links[bearer_id].link;
 
+	if (n->working_links > 1) {
+		pr_warn("Attempt to establish 3rd link to %x\n", n->addr);
+		return;
+	}
 	n->working_links++;
 	n->action_flags |= TIPC_NOTIFY_LINK_UP;
-	n->link_id = l->peer_bearer_id << 16 | l->bearer_id;
+	n->link_id = nl->peer_bearer_id << 16 | bearer_id;
+
+	/* Leave room for tunnel header when returning 'mtu' to users: */
+	n->links[bearer_id].mtu = nl->mtu - INT_H_SIZE;
 
 	tipc_bearer_add_dest(n->net, bearer_id, n->addr);
 
 	pr_debug("Established link <%s> on network plane %c\n",
-		 l->name, l->net_plane);
+		 nl->name, nl->net_plane);
 
-	/* No active links ? => take both active slots */
-	if (!tipc_node_is_up(n)) {
+	/* First link? => give it both slots */
+	if (!ol) {
 		*slot0 = bearer_id;
 		*slot1 = bearer_id;
+		nl->exec_mode = TIPC_LINK_OPEN;
 		node_established_contact(n);
 		return;
 	}
 
-	/* Lower prio than current active ? => no slot */
-	if (l->priority < links[*slot0].link->priority) {
-		pr_debug("New link <%s> becomes standby\n", l->name);
-		return;
-	}
-	tipc_link_dup_queue_xmit(links[*slot0].link, l);
-
-	/* Same prio as current active ? => take one slot */
-	if (l->priority == links[*slot0].link->priority) {
+	/* Second link => redistribute slots */
+	if (nl->priority > ol->priority) {
+		pr_debug("Old link <%s> becomes standby\n", ol->name);
 		*slot0 = bearer_id;
-		return;
+		*slot1 = bearer_id;
+	} else if (nl->priority == ol->priority) {
+		*slot0 = bearer_id;
+	} else {
+		pr_debug("New link <%s> is standby\n", nl->name);
 	}
 
-	/* Higher prio than current active => take both active slots */
-	pr_debug("Old link <%s> now standby\n", links[*slot0].link->name);
-	*slot0 = bearer_id;
-	*slot1 = bearer_id;
+	/* Prepare synchronization with first link */
+	tipc_link_tnl_prepare(ol, nl, SYNCH_MSG, xmitq);
 }
 
 /**
  * tipc_node_link_down - handle loss of link
  */
-void tipc_node_link_down(struct tipc_node *n, int bearer_id)
+static void tipc_node_link_down(struct tipc_node *n, int bearer_id)
 {
 	int *slot0 = &n->active_links[0];
 	int *slot1 = &n->active_links[1];
+	struct tipc_media_addr *maddr = &n->links[bearer_id].maddr;
 	int i, highest = 0;
-	struct tipc_link *l, *_l;
+	struct tipc_link *l, *_l, *tnl;
+	struct sk_buff_head xmitq;
 
 	l = n->links[bearer_id].link;
 	if (!l || !tipc_link_is_up(l))
 		return;
 
+	__skb_queue_head_init(&xmitq);
+
 	n->working_links--;
 	n->action_flags |= TIPC_NOTIFY_LINK_DOWN;
-	n->link_id = l->peer_bearer_id << 16 | l->bearer_id;
+	n->link_id = l->peer_bearer_id << 16 | bearer_id;
 
 	tipc_bearer_remove_dest(n->net, l->bearer_id, n->addr);
 
@@ -370,13 +401,19 @@ void tipc_node_link_down(struct tipc_node *n, int bearer_id)
 		*slot1 = i;
 	}
 
-	if (tipc_node_is_up(n))
-		tipc_link_failover_send_queue(l);
-
-	tipc_link_reset(l);
-
-	if (!tipc_node_is_up(n))
+	if (!tipc_node_is_up(n)) {
+		tipc_link_reset(l);
 		node_lost_contact(n);
+		return;
+	}
+
+	/* There is still a working link => initiate failover */
+	tnl = node_active_link(n, 0);
+	tipc_node_fsm_evt(n, NODE_FAILOVER_BEGIN_EVT);
+	n->sync_point = tnl->rcv_nxt + (U16_MAX / 2 - 1);
+	tipc_link_tnl_prepare(l, tnl, FAILOVER_MSG, &xmitq);
+	tipc_link_reset(l);
+	tipc_bearer_xmit(n->net, tnl->bearer_id, &xmitq, maddr);
 }
 
 bool tipc_node_is_up(struct tipc_node *n)
@@ -652,37 +689,22 @@ illegal_evt:
 	pr_err("Illegal node fsm evt %x in state %x\n", evt, state);
 }
 
-bool tipc_node_filter_skb(struct tipc_node *n, struct tipc_link *l,
-			  struct tipc_msg *hdr)
+bool tipc_node_filter_pkt(struct tipc_node *n, struct tipc_msg *hdr)
 {
 	int state = n->state;
 
 	if (likely(state == SELF_UP_PEER_UP))
 		return true;
 
-	if (state == SELF_DOWN_PEER_DOWN)
-		return true;
-
-	if (state == SELF_UP_PEER_COMING) {
-		/* If not traffic msg, peer may still be ESTABLISHING */
-		if (tipc_link_is_up(l) && msg_is_traffic(hdr))
-			tipc_node_fsm_evt(n, PEER_ESTABL_CONTACT_EVT);
-		return true;
-	}
-
-	if (state == SELF_COMING_PEER_UP)
-		return true;
-
 	if (state == SELF_LEAVING_PEER_DOWN)
 		return false;
 
 	if (state == SELF_DOWN_PEER_LEAVING) {
-		if (msg_peer_is_up(hdr))
+		if (msg_peer_node_is_up(hdr))
 			return false;
-		tipc_node_fsm_evt(n, PEER_LOST_CONTACT_EVT);
-		return true;
 	}
-	return false;
+
+	return true;
 }
 
 static void node_established_contact(struct tipc_node *n_ptr)
@@ -727,10 +749,8 @@ static void node_lost_contact(struct tipc_node *n_ptr)
 		if (!l_ptr)
 			continue;
 		l_ptr->exec_mode = TIPC_LINK_OPEN;
-		l_ptr->failover_checkpt = 0;
-		l_ptr->failover_pkts = 0;
-		kfree_skb(l_ptr->failover_skb);
-		l_ptr->failover_skb = NULL;
+		kfree_skb(l_ptr->failover_reasm_skb);
+		l_ptr->failover_reasm_skb = NULL;
 		tipc_link_reset_fragments(l_ptr);
 	}
 	/* Prevent re-contact with node until cleanup is done */
@@ -961,38 +981,111 @@ int tipc_node_xmit_skb(struct net *net, struct sk_buff *skb, u32 dnode,
 	return 0;
 }
 
-/* tipc_node_tnl_init(): handle a received TUNNEL_PROTOCOL packet,
- * in order to control parallel link failover or synchronization
+/**
+ * tipc_node_check_state - check and if necessary update node state
+ * @skb: TIPC packet
+ * @bearer_id: identity of bearer delivering the packet
+ * Returns true if state is ok, otherwise consumes buffer and returns false
  */
-static void tipc_node_tnl_init(struct tipc_node *n, int bearer_id,
-			       struct sk_buff *skb)
+static bool tipc_node_check_state(struct tipc_node *n, struct sk_buff *skb,
+				  int bearer_id)
 {
-	struct tipc_link *tnl, *pl;
 	struct tipc_msg *hdr = buf_msg(skb);
+	int usr = msg_user(hdr);
+	int mtyp = msg_type(hdr);
 	u16 oseqno = msg_seqno(hdr);
-	int pb_id = msg_bearer_id(hdr);
+	u16 iseqno = msg_seqno(msg_get_wrapped(hdr));
+	u16 exp_pkts = msg_msgcnt(hdr);
+	u16 rcv_nxt, syncpt, dlv_nxt;
+	int state = n->state;
+	struct tipc_link *l, *pl = NULL;
+	struct sk_buff_head;
+	int i;
 
-	if (pb_id >= MAX_BEARERS)
-		return;
+	l = n->links[bearer_id].link;
+	if (!l)
+		return false;
+	rcv_nxt = l->rcv_nxt;
 
-	tnl = n->links[bearer_id].link;
-	if (!tnl)
-		return;
 
-	/* Ignore if duplicate */
-	if (less(oseqno, tnl->rcv_nxt))
-		return;
+	if (likely((state == SELF_UP_PEER_UP) && (usr != TUNNEL_PROTOCOL)))
+		return true;
 
-	pl = n->links[pb_id].link;
-	if (!pl)
-		return;
-
-	if (msg_type(hdr) == FAILOVER_MSG) {
-		if (tipc_link_is_up(pl)) {
-			tipc_node_link_down(n, pb_id);
-			pl->exec_mode = TIPC_LINK_BLOCKED;
+	/* Find parallel link, if any */
+	for (i = 0; i < MAX_BEARERS; i++) {
+		if ((i != bearer_id) && n->links[i].link) {
+			pl = n->links[i].link;
+			break;
 		}
 	}
+
+	/* Update node accesibility if applicable */
+	if (state == SELF_UP_PEER_COMING) {
+		if (!tipc_link_is_up(l))
+			return true;
+		if (!msg_peer_link_is_up(hdr))
+			return true;
+		tipc_node_fsm_evt(n, PEER_ESTABL_CONTACT_EVT);
+	}
+
+	if (state == SELF_DOWN_PEER_LEAVING) {
+		if (msg_peer_node_is_up(hdr))
+			return false;
+		tipc_node_fsm_evt(n, PEER_LOST_CONTACT_EVT);
+	}
+
+	/* Ignore duplicate packets */
+	if (less(oseqno, rcv_nxt))
+		return true;
+
+	/* Initiate or update failover mode if applicable */
+	if ((usr == TUNNEL_PROTOCOL) && (mtyp == FAILOVER_MSG)) {
+		syncpt = oseqno + exp_pkts - 1;
+		if (pl && tipc_link_is_up(pl)) {
+			tipc_node_link_down(n, pl->bearer_id);
+			pl->exec_mode = TIPC_LINK_BLOCKED;
+		}
+		/* If pkts arrive out of order, use lowest calculated syncpt */
+		if (less(syncpt, n->sync_point))
+			n->sync_point = syncpt;
+	}
+
+	/* Open parallel link when tunnel link reaches synch point */
+	if ((n->state == NODE_FAILINGOVER) && (more(rcv_nxt, n->sync_point))) {
+		tipc_node_fsm_evt(n, NODE_FAILOVER_END_EVT);
+		if (pl)
+			pl->exec_mode = TIPC_LINK_OPEN;
+		return true;
+	}
+
+	/* Initiate or update synch mode if applicable */
+	if ((usr == TUNNEL_PROTOCOL) && (mtyp == SYNCH_MSG)) {
+		syncpt = iseqno + exp_pkts - 1;
+		if (n->state == SELF_UP_PEER_UP) {
+			n->sync_point = syncpt;
+			tipc_node_fsm_evt(n, NODE_SYNCH_BEGIN_EVT);
+		}
+		l->exec_mode = TIPC_LINK_TUNNEL;
+		if (less(syncpt, n->sync_point))
+			n->sync_point = syncpt;
+	}
+
+	/* Open tunnel link when parallel link reaches synch point */
+	if ((n->state == NODE_SYNCHING) && (l->exec_mode == TIPC_LINK_TUNNEL)) {
+		if (pl)
+			dlv_nxt = mod(pl->rcv_nxt - skb_queue_len(pl->inputq));
+		if (!pl || more(dlv_nxt, n->sync_point)) {
+			tipc_node_fsm_evt(n, NODE_SYNCH_END_EVT);
+			l->exec_mode = TIPC_LINK_OPEN;
+			return true;
+		}
+		if ((usr == TUNNEL_PROTOCOL) && (mtyp == SYNCH_MSG))
+			return true;
+		if (usr == LINK_PROTOCOL)
+			return true;
+		return false;
+	}
+	return true;
 }
 
 /**
@@ -1008,12 +1101,11 @@ void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b)
 {
 	struct sk_buff_head xmitq;
 	struct tipc_node *n;
-	struct tipc_link *l;
-	struct tipc_msg *hdr;
-	struct tipc_media_addr *maddr;
+	struct tipc_msg *hdr = buf_msg(skb);
+	int usr = msg_user(hdr);
 	int bearer_id = b->identity;
+	struct tipc_link_entry *le;
 	int rc = 0;
-	int usr;
 
 	__skb_queue_head_init(&xmitq);
 
@@ -1022,8 +1114,6 @@ void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b)
 		goto discard;
 
 	/* Handle arrival of a non-unicast link packet */
-	hdr = buf_msg(skb);
-	usr = msg_user(hdr);
 	if (unlikely(msg_non_seq(hdr))) {
 		if (usr ==  LINK_CONFIG)
 			tipc_disc_rcv(net, skb, b);
@@ -1036,42 +1126,41 @@ void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b)
 	n = tipc_node_find(net, msg_prevnode(hdr));
 	if (unlikely(!n))
 		goto discard;
+	le = &n->links[bearer_id];
+
 	tipc_node_lock(n);
 
-	/* Prepare links for tunneled reception if applicable */
-	if (unlikely(usr == TUNNEL_PROTOCOL))
-		tipc_node_tnl_init(n, bearer_id, skb);
-
-	/* Locate link endpoint that should handle packet */
-	l = n->links[bearer_id].link;
-	if (unlikely(!l))
+	/* Is reception permitted at the moment ? */
+	if (!tipc_node_filter_pkt(n, hdr))
 		goto unlock;
 
-	/* Is reception of this packet permitted at the moment ? */
-	if (unlikely(n->state != SELF_UP_PEER_UP))
-		if (!tipc_node_filter_skb(n, l, hdr))
-			goto unlock;
-
-	if (unlikely(usr == LINK_PROTOCOL))
+	if (unlikely(msg_user(hdr) == LINK_PROTOCOL))
 		tipc_bclink_sync_state(n, hdr);
 
 	/* Release acked broadcast messages */
 	if (unlikely(n->bclink.acked != msg_bcast_ack(hdr)))
 		tipc_bclink_acknowledge(n, msg_bcast_ack(hdr));
 
-	/* Check protocol and update link state */
-	rc = tipc_link_rcv(l, skb, &xmitq);
+	/* Check and if necessary update node state */
+	if (likely(tipc_node_check_state(n, skb, bearer_id))) {
+		rc = tipc_link_rcv(le->link, skb, &xmitq);
+		skb = NULL;
+	}
 
 	if (unlikely(rc & TIPC_LINK_UP_EVT))
-		tipc_node_link_up(n, bearer_id);
+		tipc_node_link_up(n, bearer_id, &xmitq);
+
 	if (unlikely(rc & TIPC_LINK_DOWN_EVT))
 		tipc_node_link_down(n, bearer_id);
-	skb = NULL;
 unlock:
 	tipc_node_unlock(n);
-	tipc_sk_rcv(net, &n->links[bearer_id].inputq);
-	maddr = &n->links[bearer_id].maddr;
-	tipc_bearer_xmit(net, bearer_id, &xmitq, maddr);
+
+	if (!skb_queue_empty(&le->inputq))
+		tipc_sk_rcv(net, &le->inputq);
+
+	if (!skb_queue_empty(&xmitq))
+		tipc_bearer_xmit(net, bearer_id, &xmitq, &le->maddr);
+
 	tipc_node_put(n);
 discard:
 	kfree_skb(skb);
diff --git a/net/tipc/node.h b/net/tipc/node.h
index 65e2728f66a6..406c6fe0dbb2 100644
--- a/net/tipc/node.h
+++ b/net/tipc/node.h
@@ -47,33 +47,7 @@
 
 #define INVALID_BEARER_ID -1
 
-/* Node FSM states and events:
- */
-enum {
-	SELF_DOWN_PEER_DOWN    = 0xdd,
-	SELF_UP_PEER_UP        = 0xaa,
-	SELF_DOWN_PEER_LEAVING = 0xd1,
-	SELF_UP_PEER_COMING    = 0xac,
-	SELF_COMING_PEER_UP    = 0xca,
-	SELF_LEAVING_PEER_DOWN = 0x1d,
-	NODE_FAILINGOVER       = 0xf0,
-	NODE_SYNCHING          = 0xcc
-};
-
-enum {
-	SELF_ESTABL_CONTACT_EVT = 0xece,
-	SELF_LOST_CONTACT_EVT   = 0x1ce,
-	PEER_ESTABL_CONTACT_EVT = 0xfece,
-	PEER_LOST_CONTACT_EVT   = 0xf1ce,
-	NODE_FAILOVER_BEGIN_EVT = 0xfbe,
-	NODE_FAILOVER_END_EVT   = 0xfee,
-	NODE_SYNCH_BEGIN_EVT    = 0xcbe,
-	NODE_SYNCH_END_EVT      = 0xcee
-};
-
 /* Flags used to take different actions according to flag type
- * TIPC_WAIT_PEER_LINKS_DOWN: wait to see that peer's links are down
- * TIPC_WAIT_OWN_LINKS_DOWN: wait until peer node is declared down
  * TIPC_NOTIFY_NODE_DOWN: notify node is down
  * TIPC_NOTIFY_NODE_UP: notify node is up
  * TIPC_DISTRIBUTE_NAME: publish or withdraw link state name type
@@ -133,6 +107,8 @@ struct tipc_link_entry {
  * @links: array containing references to all links to node
  * @action_flags: bit mask of different types of node actions
  * @bclink: broadcast-related info
+ * @state: connectivity state vs peer node
+ * @sync_point: sequence number where synch/failover is finished
  * @list: links to adjacent nodes in sorted list of cluster's nodes
  * @working_links: number of working links to node (both active and standby)
  * @link_cnt: number of links to node
@@ -156,6 +132,7 @@ struct tipc_node {
 	struct tipc_node_bclink bclink;
 	struct list_head list;
 	int state;
+	u16 sync_point;
 	int link_cnt;
 	u16 working_links;
 	u16 capabilities;
@@ -180,8 +157,6 @@ bool tipc_node_update_dest(struct tipc_node *n, struct tipc_bearer *bearer,
 void tipc_node_delete_links(struct net *net, int bearer_id);
 void tipc_node_attach_link(struct tipc_node *n_ptr, struct tipc_link *l_ptr);
 void tipc_node_detach_link(struct tipc_node *n_ptr, struct tipc_link *l_ptr);
-void tipc_node_link_down(struct tipc_node *n_ptr, int bearer_id);
-void tipc_node_link_up(struct tipc_node *n_ptr, int bearer_id);
 bool tipc_node_is_up(struct tipc_node *n);
 int tipc_node_get_linkname(struct net *net, u32 bearer_id, u32 node,
 			   char *linkname, size_t len);