-/* Packet send and receive. */
-int netdev_listen(struct netdev *);
-int netdev_recv(struct netdev *, struct ofpbuf *);
-void netdev_recv_wait(struct netdev *);
-int netdev_drain(struct netdev *);
+/* Packet reception. */
+int netdev_rx_open(struct netdev *, struct netdev_rx **);
+void netdev_rx_close(struct netdev_rx *);
+
+const char *netdev_rx_get_name(const struct netdev_rx *);
+
+int netdev_rx_recv(struct netdev_rx *, struct ofpbuf *);
+void netdev_rx_wait(struct netdev_rx *);
+int netdev_rx_drain(struct netdev_rx *);