int system_if_up(struct device *dev);
int system_if_down(struct device *dev);
int system_if_check(struct device *dev);
+int system_if_dump_info(struct device *dev, struct blob_buf *b);
int system_if_dump_stats(struct device *dev, struct blob_buf *b);
struct device *system_if_get_parent(struct device *dev);