--- zzzz-none-000/linux-2.6.32.61/net/core/net-sysfs.c	2013-06-10 09:43:48.000000000 +0000
+++ virian-300e-630/linux-2.6.32.61/net/core/net-sysfs.c	2014-09-24 15:12:05.000000000 +0000
@@ -90,6 +90,10 @@
 }
 
 NETDEVICE_SHOW(dev_id, fmt_hex);
+/* AVM: backport: c1f79426e2df5ef96fe3e76de6c7606d15bf390b
+ *
+ * sysfs: add attribute to indicate hw address assignment type */
+NETDEVICE_SHOW(addr_assign_type, fmt_dec);
 NETDEVICE_SHOW(addr_len, fmt_dec);
 NETDEVICE_SHOW(iflink, fmt_dec);
 NETDEVICE_SHOW(ifindex, fmt_dec);
@@ -248,6 +252,10 @@
 }
 
 static struct device_attribute net_class_attributes[] = {
+	/* AVM: backport: c1f79426e2df5ef96fe3e76de6c7606d15bf390b
+	 *
+	 * sysfs: add attribute to indicate hw address assignment type */
+	__ATTR(addr_assign_type, S_IRUGO, show_addr_assign_type, NULL),
 	__ATTR(addr_len, S_IRUGO, show_addr_len, NULL),
 	__ATTR(dev_id, S_IRUGO, show_dev_id, NULL),
 	__ATTR(ifalias, S_IRUGO | S_IWUSR, show_ifalias, store_ifalias),