--- linux-2.4.19/include/linux/netfilter.h	Wed Sep  4 22:28:54 2002
+++ linux-2.4.19-pom2patch/include/linux/netfilter.h	Thu Sep  5 05:22:09 2002
@@ -22,6 +22,7 @@
 /* Generic cache responses from hook functions. */
 #define NFC_ALTERED 0x8000
 #define NFC_UNKNOWN 0x4000
+#define NFC_TRACE   0x2000
 
 #ifdef __KERNEL__
 #include <linux/config.h>