X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fnetdev-provider.h;h=7bb4eac8386322ed95aeda2fb4e0e39a2c38bd62;hb=264ecd63860eaf705669edac1bdc7292d8da0843;hp=67690143ccad7dc015514bfde8678ba180411f26;hpb=943e5afe0b450fc665a4a162fe1bacafd34d18e8;p=openvswitch

diff --git a/lib/netdev-provider.h b/lib/netdev-provider.h
index 67690143..7bb4eac8 100644
--- a/lib/netdev-provider.h
+++ b/lib/netdev-provider.h
@@ -52,6 +52,8 @@ const char *netdev_dev_get_name(const struct netdev_dev *);
 struct netdev_dev *netdev_dev_from_name(const char *name);
 void netdev_dev_get_devices(const struct netdev_class *,
                             struct shash *device_list);
+bool netdev_dev_args_equal(const struct netdev_dev *netdev_dev,
+                           const struct shash *args);
 
 static inline void netdev_dev_assert_class(const struct netdev_dev *netdev_dev,
                                            const struct netdev_class *class_)
@@ -135,6 +137,15 @@ struct netdev_class {
      */
     int (*set_config)(struct netdev_dev *netdev_dev, const struct shash *args);
 
+    /* Returns true if 'args' is equivalent to the "args" field in
+     * 'netdev_dev', otherwise false.
+     *
+     * If no special processing needs to be done beyond a simple
+     * shash comparison, this may be a null pointer.
+     */
+    bool (*config_equal)(const struct netdev_dev *netdev_dev,
+                         const struct shash *args);
+
     /* Attempts to open a network device.  On success, sets 'netdevp'
      * to the new network device.
      *