--- zzzz-none-000/linux-2.4.17/include/linux/netfilter_ipv4/ip_conntrack_protocol.h	2001-04-27 21:15:01.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/include/linux/netfilter_ipv4/ip_conntrack_protocol.h	2004-11-24 13:21:45.000000000 +0000
@@ -42,6 +42,13 @@
 	int (*new)(struct ip_conntrack *conntrack, struct iphdr *iph,
 		   size_t len);
 
+	/* Called when a conntrack entry is destroyed */
+	void (*destroy)(struct ip_conntrack *conntrack);
+
+	/* Has to decide if a expectation matches one packet or not */
+	int (*exp_matches_pkt)(struct ip_conntrack_expect *exp,
+			       struct sk_buff **pskb);
+
 	/* Module (if any) which this is connected to. */
 	struct module *me;
 };