@@ -219,6 +219,20 @@
 	return netdev_store(dev, attr, buf, len, change_tx_queue_len);
 }
 
+NETDEVICE_SHOW(ifgroup, fmt_hex);
+
+static int change_ifgroup(struct net_device *net, unsigned long new_ifgroup)
+{
+	net->ifgroup = new_ifgroup;
+	return 0;
+}
+
+static ssize_t store_ifgroup(struct device *dev, struct device_attribute *attr,
+			   const char *buf, size_t len)
+{
+	return netdev_store(dev, attr, buf, len, change_ifgroup);
+}
+
 static struct device_attribute net_class_attributes[] = {
 	__ATTR(addr_len, S_IRUGO, show_addr_len, NULL),
 	__ATTR(iflink, S_IRUGO, show_iflink, NULL),

@@ -235,6 +249,7 @@
 	__ATTR(flags, S_IRUGO | S_IWUSR, show_flags, store_flags),
 	__ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len,
 	       store_tx_queue_len),
+	__ATTR(ifgroup, S_IRUGO | S_IWUSR, show_ifgroup, store_ifgroup),
 	{}
 };