diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 268b10058ef5..3f1c0ff7d4b6 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -116,6 +116,19 @@ extern struct percpu_counter sctp_sockets_allocated;
 int sctp_asconf_mgmt(struct sctp_sock *, struct sctp_sockaddr_entry *);
 struct sk_buff *sctp_skb_recv_datagram(struct sock *, int, int, int *);
 
+int sctp_transport_walk_start(struct rhashtable_iter *iter);
+void sctp_transport_walk_stop(struct rhashtable_iter *iter);
+struct sctp_transport *sctp_transport_get_next(struct net *net,
+			struct rhashtable_iter *iter);
+struct sctp_transport *sctp_transport_get_idx(struct net *net,
+			struct rhashtable_iter *iter, int pos);
+int sctp_transport_lookup_process(int (*cb)(struct sctp_transport *, void *),
+				  struct net *net,
+				  const union sctp_addr *laddr,
+				  const union sctp_addr *paddr, void *p);
+int sctp_for_each_transport(int (*cb)(struct sctp_transport *, void *),
+			    struct net *net, int pos, void *p);
+int sctp_for_each_endpoint(int (*cb)(struct sctp_endpoint *, void *), void *p);
 int sctp_get_sctp_info(struct sock *sk, struct sctp_association *asoc,
 		       struct sctp_info *info);
 
diff --git a/net/sctp/proc.c b/net/sctp/proc.c
index 6d45d53321e6..dd8492f0037d 100644
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -282,81 +282,31 @@ struct sctp_ht_iter {
 	struct rhashtable_iter hti;
 };
 
-static struct sctp_transport *sctp_transport_get_next(struct seq_file *seq)
-{
-	struct sctp_ht_iter *iter = seq->private;
-	struct sctp_transport *t;
-
-	t = rhashtable_walk_next(&iter->hti);
-	for (; t; t = rhashtable_walk_next(&iter->hti)) {
-		if (IS_ERR(t)) {
-			if (PTR_ERR(t) == -EAGAIN)
-				continue;
-			break;
-		}
-
-		if (net_eq(sock_net(t->asoc->base.sk), seq_file_net(seq)) &&
-		    t->asoc->peer.primary_path == t)
-			break;
-	}
-
-	return t;
-}
-
-static struct sctp_transport *sctp_transport_get_idx(struct seq_file *seq,
-						     loff_t pos)
-{
-	void *obj = SEQ_START_TOKEN;
-
-	while (pos && (obj = sctp_transport_get_next(seq)) && !IS_ERR(obj))
-		pos--;
-
-	return obj;
-}
-
-static int sctp_transport_walk_start(struct seq_file *seq)
-{
-	struct sctp_ht_iter *iter = seq->private;
-	int err;
-
-	err = rhashtable_walk_init(&sctp_transport_hashtable, &iter->hti,
-				   GFP_KERNEL);
-	if (err)
-		return err;
-
-	err = rhashtable_walk_start(&iter->hti);
-
-	return err == -EAGAIN ? 0 : err;
-}
-
-static void sctp_transport_walk_stop(struct seq_file *seq)
-{
-	struct sctp_ht_iter *iter = seq->private;
-
-	rhashtable_walk_stop(&iter->hti);
-	rhashtable_walk_exit(&iter->hti);
-}
-
 static void *sctp_assocs_seq_start(struct seq_file *seq, loff_t *pos)
 {
-	int err = sctp_transport_walk_start(seq);
+	struct sctp_ht_iter *iter = seq->private;
+	int err = sctp_transport_walk_start(&iter->hti);
 
 	if (err)
 		return ERR_PTR(err);
 
-	return sctp_transport_get_idx(seq, *pos);
+	return sctp_transport_get_idx(seq_file_net(seq), &iter->hti, *pos);
 }
 
 static void sctp_assocs_seq_stop(struct seq_file *seq, void *v)
 {
-	sctp_transport_walk_stop(seq);
+	struct sctp_ht_iter *iter = seq->private;
+
+	sctp_transport_walk_stop(&iter->hti);
 }
 
 static void *sctp_assocs_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
+	struct sctp_ht_iter *iter = seq->private;
+
 	++*pos;
 
-	return sctp_transport_get_next(seq);
+	return sctp_transport_get_next(seq_file_net(seq), &iter->hti);
 }
 
 /* Display sctp associations (/proc/net/sctp/assocs). */
@@ -458,24 +408,29 @@ void sctp_assocs_proc_exit(struct net *net)
 
 static void *sctp_remaddr_seq_start(struct seq_file *seq, loff_t *pos)
 {
-	int err = sctp_transport_walk_start(seq);
+	struct sctp_ht_iter *iter = seq->private;
+	int err = sctp_transport_walk_start(&iter->hti);
 
 	if (err)
 		return ERR_PTR(err);
 
-	return sctp_transport_get_idx(seq, *pos);
+	return sctp_transport_get_idx(seq_file_net(seq), &iter->hti, *pos);
 }
 
 static void *sctp_remaddr_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
+	struct sctp_ht_iter *iter = seq->private;
+
 	++*pos;
 
-	return sctp_transport_get_next(seq);
+	return sctp_transport_get_next(seq_file_net(seq), &iter->hti);
 }
 
 static void sctp_remaddr_seq_stop(struct seq_file *seq, void *v)
 {
-	sctp_transport_walk_stop(seq);
+	struct sctp_ht_iter *iter = seq->private;
+
+	sctp_transport_walk_stop(&iter->hti);
 }
 
 static int sctp_remaddr_seq_show(struct seq_file *seq, void *v)
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index cd0fb3bb493c..5e5bc08d2b25 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4288,6 +4288,131 @@ int sctp_get_sctp_info(struct sock *sk, struct sctp_association *asoc,
 }
 EXPORT_SYMBOL_GPL(sctp_get_sctp_info);
 
+/* use callback to avoid exporting the core structure */
+int sctp_transport_walk_start(struct rhashtable_iter *iter)
+{
+	int err;
+
+	err = rhashtable_walk_init(&sctp_transport_hashtable, iter,
+				   GFP_KERNEL);
+	if (err)
+		return err;
+
+	err = rhashtable_walk_start(iter);
+
+	return err == -EAGAIN ? 0 : err;
+}
+
+void sctp_transport_walk_stop(struct rhashtable_iter *iter)
+{
+	rhashtable_walk_stop(iter);
+	rhashtable_walk_exit(iter);
+}
+
+struct sctp_transport *sctp_transport_get_next(struct net *net,
+					       struct rhashtable_iter *iter)
+{
+	struct sctp_transport *t;
+
+	t = rhashtable_walk_next(iter);
+	for (; t; t = rhashtable_walk_next(iter)) {
+		if (IS_ERR(t)) {
+			if (PTR_ERR(t) == -EAGAIN)
+				continue;
+			break;
+		}
+
+		if (net_eq(sock_net(t->asoc->base.sk), net) &&
+		    t->asoc->peer.primary_path == t)
+			break;
+	}
+
+	return t;
+}
+
+struct sctp_transport *sctp_transport_get_idx(struct net *net,
+					      struct rhashtable_iter *iter,
+					      int pos)
+{
+	void *obj = SEQ_START_TOKEN;
+
+	while (pos && (obj = sctp_transport_get_next(net, iter)) &&
+	       !IS_ERR(obj))
+		pos--;
+
+	return obj;
+}
+
+int sctp_for_each_endpoint(int (*cb)(struct sctp_endpoint *, void *),
+			   void *p) {
+	int err = 0;
+	int hash = 0;
+	struct sctp_ep_common *epb;
+	struct sctp_hashbucket *head;
+
+	for (head = sctp_ep_hashtable; hash < sctp_ep_hashsize;
+	     hash++, head++) {
+		read_lock(&head->lock);
+		sctp_for_each_hentry(epb, &head->chain) {
+			err = cb(sctp_ep(epb), p);
+			if (err)
+				break;
+		}
+		read_unlock(&head->lock);
+	}
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(sctp_for_each_endpoint);
+
+int sctp_transport_lookup_process(int (*cb)(struct sctp_transport *, void *),
+				  struct net *net,
+				  const union sctp_addr *laddr,
+				  const union sctp_addr *paddr, void *p)
+{
+	struct sctp_transport *transport;
+	int err = 0;
+
+	rcu_read_lock();
+	transport = sctp_addrs_lookup_transport(net, laddr, paddr);
+	if (!transport || !sctp_transport_hold(transport))
+		goto out;
+	err = cb(transport, p);
+	sctp_transport_put(transport);
+
+out:
+	rcu_read_unlock();
+	return err;
+}
+EXPORT_SYMBOL_GPL(sctp_transport_lookup_process);
+
+int sctp_for_each_transport(int (*cb)(struct sctp_transport *, void *),
+			    struct net *net, int pos, void *p) {
+	struct rhashtable_iter hti;
+	int err = 0;
+	void *obj;
+
+	if (sctp_transport_walk_start(&hti))
+		goto out;
+
+	sctp_transport_get_idx(net, &hti, pos);
+	obj = sctp_transport_get_next(net, &hti);
+	for (; obj && !IS_ERR(obj); obj = sctp_transport_get_next(net, &hti)) {
+		struct sctp_transport *transport = obj;
+
+		if (!sctp_transport_hold(transport))
+			continue;
+		err = cb(transport, p);
+		sctp_transport_put(transport);
+		if (err)
+			break;
+	}
+out:
+	sctp_transport_walk_stop(&hti);
+	return err;
+}
+EXPORT_SYMBOL_GPL(sctp_for_each_transport);
+
 /* 7.2.1 Association Status (SCTP_STATUS)
 
  * Applications can retrieve current status information about an