wip: ike-sa: Add extension that indicates support for optimized rekeying

wip: draft/rfc ref

diff --git a/src/libcharon/sa/ike_sa.h b/src/libcharon/sa/ike_sa.h
index 3b6306007b6a060ad2af91d2329bdb3929c476bf..a742ddd6c1e0aec1eede8a585abaafe23870ba6e 100644 (file)
--- a/src/libcharon/sa/ike_sa.h
+++ b/src/libcharon/sa/ike_sa.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2020 Tobias Brunner
+ * Copyright (C) 2006-2023 Tobias Brunner
  * Copyright (C) 2006 Daniel Roethlisberger
  * Copyright (C) 2005-2009 Martin Willi
  * Copyright (C) 2005 Jan Hutter
@@ -174,6 +174,11 @@ enum ike_extension_t {
         * IKEv2 Intermediate Exchange, RFC 9242
         */
        EXT_IKE_INTERMEDIATE = (1<<17),
+
+       /**
+        * Peer supports optimized rekeying, draft-ietf-ipsecme-ikev2-sa-ts-payloads-opt
+        */
+       EXT_OPTIMIZED_REKEY = (1<<18),
 };
 
 /**