diff --git a/include/linux/netfilter_ipv4/ipt_state.h b/include/linux/netfilter_ipv4/ipt_state.h
new file mode 100644
index 0000000..5df3786
--- /dev/null
+++ b/include/linux/netfilter_ipv4/ipt_state.h
@@ -0,0 +1,13 @@
+#ifndef _IPT_STATE_H
+#define _IPT_STATE_H
+
+#define IPT_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1))
+#define IPT_STATE_INVALID (1 << 0)
+
+#define IPT_STATE_UNTRACKED (1 << (IP_CT_NUMBER + 1))
+
+struct ipt_state_info
+{
+	unsigned int statemask;
+};
+#endif /*_IPT_STATE_H*/