-Index: linux-2.6.23-rc7/include/net/xfrmudp.h
-===================================================================
---- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23-rc7/include/net/xfrmudp.h 2007-10-02 00:58:05.000000000 +0800
+--- /dev/null
++++ b/include/net/xfrmudp.h
@@ -0,0 +1,10 @@
+/*
+ * pointer to function for type that xfrm4_input wants, to permit
+extern int udp4_register_esp_rcvencap(xfrm4_rcv_encap_t func
+ , xfrm4_rcv_encap_t *oldfunc);
+extern int udp4_unregister_esp_rcvencap(xfrm4_rcv_encap_t func);
-Index: linux-2.6.23-rc7/net/ipv4/Kconfig
-===================================================================
---- linux-2.6.23-rc7.orig/net/ipv4/Kconfig 2007-10-02 00:58:02.000000000 +0800
-+++ linux-2.6.23-rc7/net/ipv4/Kconfig 2007-10-02 00:58:05.000000000 +0800
+--- a/net/ipv4/Kconfig
++++ b/net/ipv4/Kconfig
@@ -224,6 +224,12 @@
Network), but can be distributed all over the Internet. If you want
to do that, say Y here and to "IP multicast routing" below.
config IP_MROUTE
bool "IP: multicast routing"
depends on IP_MULTICAST
-Index: linux-2.6.23-rc7/net/ipv4/xfrm4_input.c
-===================================================================
---- linux-2.6.23-rc7.orig/net/ipv4/xfrm4_input.c 2007-10-02 00:58:02.000000000 +0800
-+++ linux-2.6.23-rc7/net/ipv4/xfrm4_input.c 2007-10-02 00:58:33.000000000 +0800
+--- a/net/ipv4/xfrm4_input.c
++++ b/net/ipv4/xfrm4_input.c
@@ -15,6 +15,7 @@
#include <linux/netfilter_ipv4.h>
#include <net/ip.h>