--- zzzz-none-000/linux-2.6.32.61/include/net/netfilter/nf_nat_core.h	2013-06-10 09:43:48.000000000 +0000
+++ virian-300e-630/linux-2.6.32.61/include/net/netfilter/nf_nat_core.h	2010-04-09 11:41:39.000000000 +0000
@@ -33,4 +33,8 @@
 				  enum nf_nat_manip_type manip,
 				  const struct nlattr *attr);
 
+#ifndef CONFIG_ATH_HW_NAT
+#define athrs_hw_nat_add_entry(a,b,c,d,e,f)
+#endif
+
 #endif /* _NF_NAT_CORE_H */