int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg);
int system_vlandev_del(struct device *vlandev);
+void system_if_get_settings(struct device *dev, struct device_settings *s);
void system_if_clear_state(struct device *dev);
int system_if_up(struct device *dev);
int system_if_down(struct device *dev);