+ struct netdev_dev_dummy *dev
+ = netdev_dev_dummy_cast(netdev_get_dev(netdev_));
+ struct netdev_rx_dummy *rx;
+
+ rx = xmalloc(sizeof *rx);
+ netdev_rx_init(&rx->up, &dev->netdev_dev, &netdev_rx_dummy_class);
+ list_push_back(&dev->rxes, &rx->node);
+ list_init(&rx->recv_queue);
+
+ *rxp = &rx->up;