* more RSL and 04.08 constant defines
* initialize some data structures before using them in RSL
* DATA_REQ is a transparent message
* more elaborate DEBUGP statements here and there
* don't call 04.08 with zero-length RSL DATA INDICATION
* reject 04.08 CC HOLD and RETRIEVE, as we don't support them yet

diff --git a/include/openbsc/abis_rsl.h b/include/openbsc/abis_rsl.h
index 3109454..b6d9a9d 100644
--- a/include/openbsc/abis_rsl.h
+++ b/include/openbsc/abis_rsl.h
@@ -55,6 +55,7 @@
 #define ABIS_RSL_MDISC_TRX		0x10
 #define ABIS_RSL_MDISC_LOC		0x20
 #define ABIS_RSL_MDISC_IPACCESS		0x7e
+#define ABIS_RSL_MDISC_TRANSP		0x01
 
 #define ABIS_RSL_MDISC_IS_TRANSP(x)	(x & 0x01)