: EOPNOTSUPP);
}
+/* Obtains ad IPv4 address from device name and save the address in
+ * in4. Returns 0 if successful, otherwise a positive errno value.
+ */
+int
+netdev_get_in4_by_name(const char *device_name, struct in_addr *in4)
+{
+ struct netdev *netdev;
+ int error;
+
+ error = netdev_open(device_name, "system", &netdev);
+ if (error) {
+ in4->s_addr = htonl(0);
+ return error;
+ }
+
+ error = netdev_get_in4(netdev, in4, NULL);
+ netdev_close(netdev);
+ return error;
+}
+
/* Adds 'router' as a default IP gateway for the TCP/IP stack that corresponds
* to 'netdev'. */
int
return carrier;
}
+/* Returns the number of times 'netdev''s carrier has changed. */
+long long int
+netdev_get_carrier_resets(const struct netdev *netdev)
+{
+ return (netdev_get_dev(netdev)->netdev_class->get_carrier_resets
+ ? netdev_get_dev(netdev)->netdev_class->get_carrier_resets(netdev)
+ : 0);
+}
+
/* Attempts to force netdev_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'
{
return netdev_get_dev(netdev)->netdev_class->change_seq(netdev);
}
-
-/* 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.
- * Otherwise returns a errno value (specifically ENOENT if 'netdev_name' is the
- * name of a network device that is not a VLAN device) and sets '*vlan_vid' to
- * -1. */
-int
-netdev_get_vlan_vid(const struct netdev *netdev, int *vlan_vid)
-{
- int error = (netdev_get_dev(netdev)->netdev_class->get_vlan_vid
- ? netdev_get_dev(netdev)->netdev_class->get_vlan_vid(netdev,
- vlan_vid)
- : ENOENT);
- if (error) {
- *vlan_vid = 0;
- }
- return error;
-}
\f
/* Initializes 'netdev_dev' as a netdev device named 'name' of the specified
* 'netdev_class'. This function is ordinarily called from a netdev provider's