diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 7b4cc5b..fb94cf1 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -584,6 +584,13 @@
 	struct list_head	chan_l;
 	struct mutex		chan_lock;
 	struct kref		ref;
+	struct list_head	users;
+};
+
+struct l2cap_user {
+	struct list_head list;
+	int (*probe) (struct l2cap_conn *conn, struct l2cap_user *user);
+	void (*remove) (struct l2cap_conn *conn, struct l2cap_user *user);
 };
 
 #define L2CAP_INFO_CL_MTU_REQ_SENT	0x01
@@ -817,4 +824,7 @@
 void l2cap_conn_get(struct l2cap_conn *conn);
 void l2cap_conn_put(struct l2cap_conn *conn);
 
+int l2cap_register_user(struct l2cap_conn *conn, struct l2cap_user *user);
+void l2cap_unregister_user(struct l2cap_conn *conn, struct l2cap_user *user);
+
 #endif /* __L2CAP_H */