vswitchd: New column "link_resets".

[sliver-openvswitch.git] / lib / netdev-provider.h

diff --git a/lib/netdev-provider.h b/lib/netdev-provider.h
index b8f6529..921c397 100644 (file)
--- a/lib/netdev-provider.h
+++ b/lib/netdev-provider.h
@@ -144,16 +144,6 @@ struct netdev_class {
 
     /* Closes 'netdev'. */
     void (*close)(struct netdev *netdev);
-
-    /* Enumerates the names of all network devices of this class.
-     *
-     * The caller has already initialized 'all_names' and might already have
-     * added some names to it.  This function should not disturb any existing
-     * names in 'all_names'.
-     *
-     * If this netdev class does not support enumeration, this may be a null
-     * pointer. */
-    int (*enumerate)(struct sset *all_names);
 \f
 /* ## ----------------- ## */
 /* ## Receiving Packets ## */
@@ -248,13 +238,15 @@ struct netdev_class {
      * bytes for Ethernet devices.
      *
      * If 'netdev' does not have an MTU (e.g. as some tunnels do not), then
-     * this function should return EOPNOTSUPP. */
+     * this function should return EOPNOTSUPP.  This function may be set to
+     * null if it would always return EOPNOTSUPP. */
     int (*get_mtu)(const struct netdev *netdev, int *mtup);
 
     /* Sets 'netdev''s MTU to 'mtu'.
      *
      * If 'netdev' does not have an MTU (e.g. as some tunnels do not), then
-     * this function should return EOPNOTSUPP. */
+     * this function should return EOPNOTSUPP.  This function may be set to
+     * null if it would always return EOPNOTSUPP. */
     int (*set_mtu)(const struct netdev *netdev, int mtu);
 
     /* Returns the ifindex of 'netdev', if successful, as a positive number.
@@ -278,6 +270,12 @@ struct netdev_class {
      */
     int (*get_carrier)(const struct netdev *netdev, bool *carrier);
 
+    /* Returns the number of times 'netdev''s carrier has changed since being
+     * initialized.
+     *
+     * If null, callers will assume the number of carrier resets is zero. */
+    long long int (*get_carrier_resets)(const struct netdev *netdev);
+
     /* Forces ->get_carrier() to poll 'netdev''s MII registers for link status
      * instead of checking 'netdev''s carrier.  'netdev''s MII registers will
      * be polled once ever 'interval' milliseconds.  If 'netdev' does not