diff -up busybox-1.10.3/networking/libiproute/iptunnel.c.iptunnel busybox-1.10.3/networking/libiproute/iptunnel.c
--- busybox-1.10.3/networking/libiproute/iptunnel.c.iptunnel	2008-04-19 05:50:26.000000000 +0200
+++ busybox-1.10.3/networking/libiproute/iptunnel.c	2008-07-24 09:34:44.000000000 +0200
@@ -21,6 +21,7 @@
 #ifndef __constant_htons
 #define __constant_htons htons
 #endif
+#include <linux/types.h>
 #include <linux/if_tunnel.h>
 
 #include "ip_common.h"  /* #include "libbb.h" is inside */