X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fnetdev-provider.h;h=d5a30c809a01daf3f48d93b01c218e4b03b1aec6;hb=efb80167f7ebf51456df2940e3b42376ecbceb61;hp=b8f65291927c2d334d988c4788c96f31d9dac288;hpb=9b02078077b62e4277e84c7f39382ce09986cf6b;p=openvswitch

diff --git a/lib/netdev-provider.h b/lib/netdev-provider.h
index b8f65291..d5a30c80 100644
--- 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);
 
 /* ## ----------------- ## */
 /* ## Receiving Packets ## */
@@ -182,6 +172,9 @@ struct netdev_class {
      * packet, otherwise a negative errno value.  Returns -EAGAIN immediately
      * if no packet is ready to be received.
      *
+     * Returns -EMSGSIZE, and discards the packet, if the received packet is
+     * longer than 'size' bytes.
+     *
      * This function can only be expected to return a packet if ->listen() has
      * been called successfully.
      *
@@ -248,13 +241,15 @@ 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 +273,12 @@ 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
@@ -322,17 +323,6 @@ struct netdev_class {
      * support configuring advertisements. */
     int (*set_advertisements)(struct netdev *netdev, uint32_t advertise);
 
-    /* If 'netdev' is a VLAN network device (e.g. one created with vconfig(8)),
-     * sets '*vlan_vid' to the VLAN VID associated with that device and returns
-     * 0.
-     *
-     * Returns ENOENT if 'netdev' is a network device that is not a
-     * VLAN device.
-     *
-     * This function should be set to null if it doesn't make any sense for
-     * your network device (it probably doesn't). */
-    int (*get_vlan_vid)(const struct netdev *netdev, int *vlan_vid);
-
     /* Attempts to set input rate limiting (policing) policy, such that up to
      * 'kbits_rate' kbps of traffic is accepted, with a maximum accumulative
      * burst size of 'kbits' kb.