struct dp_netdev_port *port;
struct netdev *netdev;
struct netdev_rx *rx;
+ enum netdev_flags flags;
const char *open_type;
int mtu;
int error;
if (error) {
return error;
}
- /* XXX reject loopback devices */
/* XXX reject non-Ethernet devices */
+ netdev_get_flags(netdev, &flags);
+ if (flags & NETDEV_LOOPBACK) {
+ VLOG_ERR("%s: cannot add a loopback device", devname);
+ netdev_close(netdev);
+ return EINVAL;
+ }
+
error = netdev_rx_open(netdev, &rx);
if (error
&& !(error == EOPNOTSUPP && dpif_netdev_class_is_dummy(dp->class))) {