/* main interface that the interface is bound to */
struct device_user main_dev;
+ struct device_user ext_dev;
/* interface that layer 3 communication will go through */
struct device_user l3_dev;
void interface_add_user(struct interface_user *dep, struct interface *iface);
void interface_remove_user(struct interface_user *dep);
-int interface_add_link(struct interface *iface, struct device *dev);
int interface_remove_link(struct interface *iface, struct device *dev);
-int interface_handle_link(struct interface *iface, const char *name, bool add);
+int interface_handle_link(struct interface *iface, const char *name, bool add, bool link_ext);
void interface_add_error(struct interface *iface, const char *subsystem,
const char *code, const char **data, int n_data);