diff --git a/include/net/datalink.h b/include/net/datalink.h
new file mode 100644
index 0000000..5797ba3
--- /dev/null
+++ b/include/net/datalink.h
@@ -0,0 +1,18 @@
+#ifndef _NET_INET_DATALINK_H_
+#define _NET_INET_DATALINK_H_
+
+struct datalink_proto {
+        unsigned char   type[8];
+
+	struct llc_sap   *sap;
+
+        unsigned short  header_length;
+
+        int     (*rcvfunc)(struct sk_buff *, struct net_device *,
+                                struct packet_type *);
+	int     (*request)(struct datalink_proto *, struct sk_buff *,
+                                        unsigned char *);
+	struct list_head node;
+};
+
+#endif