1 files changed, 6 insertions, 0 deletions
diff --git a/lib/tunnel_encaps.h b/lib/tunnel_encaps.h
index 7358947e..12a905db 100644
--- a/lib/tunnel_encaps.h
+++ b/lib/tunnel_encaps.h
@@ -19,6 +19,7 @@
 /* Tunnel Encapsulation */
 struct tunnel_endpoint {
   u32 asn;
+  u16 af;
   ip_addr ip;
 };
 
@@ -32,8 +33,13 @@ struct tunnel_encap {
   u16 flags;
 };
 
+typedef int (*format_tunnel_encap_fn)(const struct tunnel_encap *, byte *buf, uint size);
+
 int decode_tunnel_encap(const eattr *e, struct tunnel_encap *encap, struct pool *pool);
 
 int format_tunnel_encap(const eattr *a, byte *buf, uint size);
 
+void register_format_tunnel_encap(int type, format_tunnel_encap_fn cb);
+void unregister_format_tunnel_encap(int type, format_tunnel_encap_fn cb);
+
 #endif	/* _BIRD_TUNNEL_ENCAPS_ */