diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index acdc4c9..7f976af 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1980,6 +1980,11 @@
 		hlist_nulls_entry(tw->tw_node.next, typeof(*tw), tw_node) : NULL;
 }
 
+/*
+ * Get next listener socket follow cur.  If cur is NULL, get first socket
+ * starting from bucket given in st->bucket; when st->bucket is zero the
+ * very first socket in the hash table is returned.
+ */
 static void *listening_get_next(struct seq_file *seq, void *cur)
 {
 	struct inet_connection_sock *icsk;
@@ -1990,14 +1995,15 @@
 	struct net *net = seq_file_net(seq);
 
 	if (!sk) {
-		st->bucket = 0;
-		ilb = &tcp_hashinfo.listening_hash[0];
+		ilb = &tcp_hashinfo.listening_hash[st->bucket];
 		spin_lock_bh(&ilb->lock);
 		sk = sk_nulls_head(&ilb->head);
+		st->offset = 0;
 		goto get_sk;
 	}
 	ilb = &tcp_hashinfo.listening_hash[st->bucket];
 	++st->num;
+	++st->offset;
 
 	if (st->state == TCP_SEQ_STATE_OPENREQ) {
 		struct request_sock *req = cur;
@@ -2012,6 +2018,7 @@
 				}
 				req = req->dl_next;
 			}
+			st->offset = 0;
 			if (++st->sbucket >= icsk->icsk_accept_queue.listen_opt->nr_table_entries)
 				break;
 get_req:
@@ -2047,6 +2054,7 @@
 		read_unlock_bh(&icsk->icsk_accept_queue.syn_wait_lock);
 	}
 	spin_unlock_bh(&ilb->lock);
+	st->offset = 0;
 	if (++st->bucket < INET_LHTABLE_SIZE) {
 		ilb = &tcp_hashinfo.listening_hash[st->bucket];
 		spin_lock_bh(&ilb->lock);
@@ -2060,7 +2068,12 @@
 
 static void *listening_get_idx(struct seq_file *seq, loff_t *pos)
 {
-	void *rc = listening_get_next(seq, NULL);
+	struct tcp_iter_state *st = seq->private;
+	void *rc;
+
+	st->bucket = 0;
+	st->offset = 0;
+	rc = listening_get_next(seq, NULL);
 
 	while (rc && *pos) {
 		rc = listening_get_next(seq, rc);
@@ -2075,13 +2088,18 @@
 		hlist_nulls_empty(&tcp_hashinfo.ehash[st->bucket].twchain);
 }
 
+/*
+ * Get first established socket starting from bucket given in st->bucket.
+ * If st->bucket is zero, the very first socket in the hash is returned.
+ */
 static void *established_get_first(struct seq_file *seq)
 {
 	struct tcp_iter_state *st = seq->private;
 	struct net *net = seq_file_net(seq);
 	void *rc = NULL;
 
-	for (st->bucket = 0; st->bucket <= tcp_hashinfo.ehash_mask; ++st->bucket) {
+	st->offset = 0;
+	for (; st->bucket <= tcp_hashinfo.ehash_mask; ++st->bucket) {
 		struct sock *sk;
 		struct hlist_nulls_node *node;
 		struct inet_timewait_sock *tw;
@@ -2126,6 +2144,7 @@
 	struct net *net = seq_file_net(seq);
 
 	++st->num;
+	++st->offset;
 
 	if (st->state == TCP_SEQ_STATE_TIME_WAIT) {
 		tw = cur;
@@ -2142,6 +2161,7 @@
 		st->state = TCP_SEQ_STATE_ESTABLISHED;
 
 		/* Look for next non empty bucket */
+		st->offset = 0;
 		while (++st->bucket <= tcp_hashinfo.ehash_mask &&
 				empty_bucket(st))
 			;
@@ -2169,7 +2189,11 @@
 
 static void *established_get_idx(struct seq_file *seq, loff_t pos)
 {
-	void *rc = established_get_first(seq);
+	struct tcp_iter_state *st = seq->private;
+	void *rc;
+
+	st->bucket = 0;
+	rc = established_get_first(seq);
 
 	while (rc && pos) {
 		rc = established_get_next(seq, rc);
@@ -2194,24 +2218,72 @@
 	return rc;
 }
 
+static void *tcp_seek_last_pos(struct seq_file *seq)
+{
+	struct tcp_iter_state *st = seq->private;
+	int offset = st->offset;
+	int orig_num = st->num;
+	void *rc = NULL;
+
+	switch (st->state) {
+	case TCP_SEQ_STATE_OPENREQ:
+	case TCP_SEQ_STATE_LISTENING:
+		if (st->bucket >= INET_LHTABLE_SIZE)
+			break;
+		st->state = TCP_SEQ_STATE_LISTENING;
+		rc = listening_get_next(seq, NULL);
+		while (offset-- && rc)
+			rc = listening_get_next(seq, rc);
+		if (rc)
+			break;
+		st->bucket = 0;
+		/* Fallthrough */
+	case TCP_SEQ_STATE_ESTABLISHED:
+	case TCP_SEQ_STATE_TIME_WAIT:
+		st->state = TCP_SEQ_STATE_ESTABLISHED;
+		if (st->bucket > tcp_hashinfo.ehash_mask)
+			break;
+		rc = established_get_first(seq);
+		while (offset-- && rc)
+			rc = established_get_next(seq, rc);
+	}
+
+	st->num = orig_num;
+
+	return rc;
+}
+
 static void *tcp_seq_start(struct seq_file *seq, loff_t *pos)
 {
 	struct tcp_iter_state *st = seq->private;
+	void *rc;
+
+	if (*pos && *pos == st->last_pos) {
+		rc = tcp_seek_last_pos(seq);
+		if (rc)
+			goto out;
+	}
+
 	st->state = TCP_SEQ_STATE_LISTENING;
 	st->num = 0;
-	return *pos ? tcp_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
+	st->bucket = 0;
+	st->offset = 0;
+	rc = *pos ? tcp_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
+
+out:
+	st->last_pos = *pos;
+	return rc;
 }
 
 static void *tcp_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
+	struct tcp_iter_state *st = seq->private;
 	void *rc = NULL;
-	struct tcp_iter_state *st;
 
 	if (v == SEQ_START_TOKEN) {
 		rc = tcp_get_idx(seq, 0);
 		goto out;
 	}
-	st = seq->private;
 
 	switch (st->state) {
 	case TCP_SEQ_STATE_OPENREQ:
@@ -2219,6 +2291,8 @@
 		rc = listening_get_next(seq, v);
 		if (!rc) {
 			st->state = TCP_SEQ_STATE_ESTABLISHED;
+			st->bucket = 0;
+			st->offset = 0;
 			rc	  = established_get_first(seq);
 		}
 		break;
@@ -2229,6 +2303,7 @@
 	}
 out:
 	++*pos;
+	st->last_pos = *pos;
 	return rc;
 }
 
@@ -2267,6 +2342,7 @@
 
 	s = ((struct seq_file *)file->private_data)->private;
 	s->family		= afinfo->family;
+	s->last_pos 		= 0;
 	return 0;
 }