--- zzzz-none-000/linux-3.10.107/include/uapi/linux/if.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/include/uapi/linux/if.h	2021-11-10 11:53:56.000000000 +0000
@@ -23,7 +23,15 @@
 #include <linux/socket.h>		/* for "struct sockaddr" et al	*/
 #include <linux/compiler.h>		/* for "__user" et al           */
 
+/* nsc@avm: gently define IFNAMSIZ is not yet done; check for consistency */
+#ifdef IFNAMSIZ
+# if IFNAMSIZ != 16
+#  error IFNAMSIZ has been defined != 16
+# endif
+#else
 #define	IFNAMSIZ	16
+#endif
+
 #define	IFALIASZ	256
 #include <linux/hdlc/ioctl.h>
 
@@ -83,6 +91,10 @@
 #define IFF_SUPP_NOFCS	0x80000		/* device supports sending custom FCS */
 #define IFF_LIVE_ADDR_CHANGE 0x100000	/* device supports hardware address
 					 * change when it's running */
+#define IFF_AVM_WLAN_OFFLOAD_DEVICE 0x200000 /* wlan offload devices need special handling in ioctrl code */
+#define IFF_MACVLAN 0x400000		/* Macvlan device */
+#define IFF_NO_IP_ALIGN	0x800000	/* do not ip-align allocated rx pkts */
+#define IFF_AVM_INTERNAL_VLAN_DEV 0x1000000 /* internal vlan tagging for switch port seperation */
 
 
 #define IF_GET_IFACE	0x0001		/* for querying only */