--- a/include/linux/in.h.orig	2006-12-27 11:34:46.000000000 -0500
+++ b/include/linux/in.h	2007-02-06 08:40:40.000000000 -0500
@@ -74,6 +74,7 @@
 #define IP_IPSEC_POLICY	16
 #define IP_XFRM_POLICY	17
 #define IP_PASSSEC	18
+#define IP_IPSEC_REFINFO 22
 
 /* BSD compatibility */
 #define IP_RECVRETOPTS	IP_RETOPTS