X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fnetdev-provider.h;h=d955bb17af59ff26050c973c9348f06cd8e77112;hb=406e37ecf554529e9380ef06863d85ccc94009d1;hp=d4ff6200fe733d441865cfd87282beb84861994a;hpb=2b9d65898426b2e15d05dc6a9ffdbcb92933398f;p=openvswitch

diff --git a/lib/netdev-provider.h b/lib/netdev-provider.h
index d4ff6200..d955bb17 100644
--- a/lib/netdev-provider.h
+++ b/lib/netdev-provider.h
@@ -259,7 +259,11 @@ struct netdev_class {
     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'.
@@ -548,8 +552,10 @@ struct netdev_class {
 
 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