import gsm48_parse_ra() and gprs_tlli_type() from openbsc
diff --git a/include/osmocore/protocol/gsm_04_08.h b/include/osmocore/protocol/gsm_04_08.h
index 47b98b2..1a112a0 100644
--- a/include/osmocore/protocol/gsm_04_08.h
+++ b/include/osmocore/protocol/gsm_04_08.h
@@ -735,10 +735,17 @@
 	GSM48_BCAP_RRQ_DUAL_FR	= 3,
 };
 
-
 #define GSM48_TMSI_LEN	5
 #define GSM48_MID_TMSI_LEN	(GSM48_TMSI_LEN + 2)
 #define GSM48_MI_SIZE 32
 
+/* Chapter 10.4.4.15 */
+struct gsm48_ra_id {
+	uint8_t digits[3];	/* MCC + MNC BCD digits */
+	uint16_t lac;		/* Location Area Code */
+	uint8_t rac;		/* Routing Area Code */
+} __attribute__ ((packed));
+
+
 
 #endif /* PROTO_GSM_04_08_H */