1 files changed, 51 insertions, 0 deletions
diff --git a/release/src/linux/linux/include/linux/netfilter_ipv4/ip_conntrack_core.h b/release/src/linux/linux/include/linux/netfilter_ipv4/ip_conntrack_core.h
new file mode 100644
index 00000000..c46f0e86
--- /dev/null
+++ b/release/src/linux/linux/include/linux/netfilter_ipv4/ip_conntrack_core.h
@@ -0,0 +1,51 @@
+#ifndef _IP_CONNTRACK_CORE_H
+#define _IP_CONNTRACK_CORE_H
+#include <linux/netfilter_ipv4/lockhelp.h>
+
+/* This header is used to share core functionality between the
+   standalone connection tracking module, and the compatibility layer's use
+   of connection tracking. */
+extern unsigned int ip_conntrack_in(unsigned int hooknum,
+				    struct sk_buff **pskb,
+				    const struct net_device *in,
+				    const struct net_device *out,
+				    int (*okfn)(struct sk_buff *));
+
+extern int ip_conntrack_init(void);
+extern void ip_conntrack_cleanup(void);
+
+struct ip_conntrack_protocol;
+extern struct ip_conntrack_protocol *ip_ct_find_proto(u_int8_t protocol);
+/* Like above, but you already have conntrack read lock. */
+extern struct ip_conntrack_protocol *__ip_ct_find_proto(u_int8_t protocol);
+extern struct list_head protocol_list;
+
+/* Returns conntrack if it dealt with ICMP, and filled in skb->nfct */
+extern struct ip_conntrack *icmp_error_track(struct sk_buff *skb,
+					     enum ip_conntrack_info *ctinfo,
+					     unsigned int hooknum);
+extern int get_tuple(const struct iphdr *iph, size_t len,
+		     struct ip_conntrack_tuple *tuple,
+		     struct ip_conntrack_protocol *protocol);
+
+/* Find a connection corresponding to a tuple. */
+struct ip_conntrack_tuple_hash *
+ip_conntrack_find_get(const struct ip_conntrack_tuple *tuple,
+		      const struct ip_conntrack *ignored_conntrack);
+
+extern int __ip_conntrack_confirm(struct nf_ct_info *nfct);
+
+/* Confirm a connection: returns NF_DROP if packet must be dropped. */
+static inline int ip_conntrack_confirm(struct sk_buff *skb)
+{
+	if (skb->nfct
+	    && !is_confirmed((struct ip_conntrack *)skb->nfct->master))
+		return __ip_conntrack_confirm(skb->nfct);
+	return NF_ACCEPT;
+}
+
+extern struct list_head *ip_conntrack_hash;
+extern struct list_head ip_conntrack_expect_list;
+DECLARE_RWLOCK_EXTERN(ip_conntrack_lock);
+#endif /* _IP_CONNTRACK_CORE_H */
+