diff -r 28b7fb13e35d -r 406d4f7eb00d applib/dtn_types.x
--- a/applib/dtn_types.x	Thu Jun 30 15:32:09 2011 +0100
+++ b/applib/dtn_types.x	Wed Aug 03 14:35:09 2011 +0100
@@ -221,6 +221,26 @@
     BLOCK_FLAG_UNPROCESSED   = 32
 };
 
+%/**
+% * BPQ Extension block kind. 
+% *
+% *     BPQ_BLOCK_KIND_QUERY
+% *     BPQ_BLOCK_KIND_RESPONSE
+% */
+enum dtn_bpq_extension_block_kind_t {
+    BPQ_BLOCK_KIND_QUERY = 0, 
+    BPQ_BLOCK_KIND_RESPONSE = 1
+};
+
+%/**
+% * BPQ Extension block matching rule. (More may be added later)
+% *
+% *     BPQ_MATCHING_RULE_EXACT
+% */
+enum dtn_bpq_extension_block_matching_rule_t {
+    BPQ_MATCHING_RULE_EXACT = 1
+};
+
 %
 %/**
 % * Extension block.