+
+int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;
+ struct ifreq ifrr;
+ int err = -EOPNOTSUPP;
+
+ strncpy(ifrr.ifr_name, real_dev->name, IFNAMSIZ);
+ ifrr.ifr_ifru = ifr->ifr_ifru;
+
+ switch(cmd) {
+ case SIOCGMIIPHY:
+ case SIOCGMIIREG:
+ case SIOCSMIIREG:
+ if (real_dev->do_ioctl && netif_device_present(real_dev))
+ err = real_dev->do_ioctl(dev, &ifrr, cmd);
+ break;
+
+ case SIOCETHTOOL:
+ err = dev_ethtool(&ifrr);
+ }
+
+ if (!err)
+ ifr->ifr_ifru = ifrr.ifr_ifru;
+
+ return err;
+}
+