* Add support for multiple ip.access nanoBTS at one BSC
 * keep track of site_id/bts_id in struct gsm_bts
 * dynamically match incoming OML/RSL over TCP connections by BTS Unit ID
 * introduce new debug category DINP (separate from DMI for hexdumps)
 * remove ia_config() as it is no longer needed
 * 
* ensure that signalling links / E1 line information is correctly printed
* when bootstrapping RSL or OML, tell us for which BTS it is being doen
* separate bootstrap_bts() out from bootstrap_network()
* statically configure two ip.access BTS, one with unit id's 1800/0/0 and 1801/0/0

diff --git a/include/openbsc/gsm_data.h b/include/openbsc/gsm_data.h
index 6c08b03..8ad127a 100644
--- a/include/openbsc/gsm_data.h
+++ b/include/openbsc/gsm_data.h
@@ -296,6 +296,12 @@
 	struct {
 		struct gsm_nm_state nm_state;
 	} site_mgr;
+
+	/* ip.accesss Unit ID's have Site/BTS/TRX layout */
+	struct {
+		u_int16_t site_id;
+		u_int16_t bts_id;
+	} ip_access;
 	
 	/* transceivers */
 	int num_trx;