1 files changed, 37 insertions, 0 deletions
diff --git a/include/external.h b/include/external.h
new file mode 100644
index 0000000..70f0c5c
--- /dev/null
+++ b/include/external.h
@@ -0,0 +1,37 @@
+#ifndef _EXTERNAL_H_
+#define _EXTERNAL_H_
+
+struct nf_conntrack;
+
+struct external_handler {
+	int	(*init)(void);
+	void	(*close)(void);
+
+	struct {
+		void	(*new)(struct nf_conntrack *ct);
+		void	(*upd)(struct nf_conntrack *ct);
+		void	(*del)(struct nf_conntrack *ct);
+
+		void	(*dump)(int fd, int type);
+		void	(*flush)(void);
+		int	(*commit)(struct nfct_handle *h, int fd);
+		void	(*stats)(int fd);
+		void	(*stats_ext)(int fd);
+	} ct;
+	struct {
+		void	(*new)(struct nf_expect *exp);
+		void	(*upd)(struct nf_expect *exp);
+		void	(*del)(struct nf_expect *exp);
+
+		void	(*dump)(int fd, int type);
+		void	(*flush)(void);
+		int	(*commit)(struct nfct_handle *h, int fd);
+		void	(*stats)(int fd);
+		void	(*stats_ext)(int fd);
+	} exp;
+};
+
+extern struct external_handler external_cache;
+extern struct external_handler external_inject;
+
+#endif