int (*get_ifindex)(const struct netdev *netdev);
/* Sets 'carrier' to true if carrier is active (link light is on) on
- * 'netdev'. */
+ * 'netdev'.
+ *
+ * May be null if device does not provide carrier status (will be always
+ * up as long as device is up).
+ */
int (*get_carrier)(const struct netdev *netdev, bool *carrier);
/* Retrieves current device stats for 'netdev' into 'stats'.
int netdev_register_provider(const struct netdev_class *);
int netdev_unregister_provider(const char *type);
+const struct netdev_class *netdev_lookup_provider(const char *type);
extern const struct netdev_class netdev_linux_class;
+extern const struct netdev_class netdev_internal_class;
extern const struct netdev_class netdev_tap_class;
#ifdef __cplusplus