diff --git a/openbsc/include/openbsc/gprs_sgsn.h b/openbsc/include/openbsc/gprs_sgsn.h
index baa2d78..7a429cd 100644
--- a/openbsc/include/openbsc/gprs_sgsn.h
+++ b/openbsc/include/openbsc/gprs_sgsn.h
@@ -294,6 +294,8 @@
 	unsigned int		context_id;
 	uint16_t		pdp_type;
 	char			apn_str[GSM_APN_LENGTH];
+	uint8_t			qos_subscribed[20];
+	size_t			qos_subscribed_len;
 };
 
 struct sgsn_subscriber_data {
diff --git a/openbsc/include/openbsc/gsm_04_08_gprs.h b/openbsc/include/openbsc/gsm_04_08_gprs.h
index 3eec983..f35d11b 100644
--- a/openbsc/include/openbsc/gsm_04_08_gprs.h
+++ b/openbsc/include/openbsc/gsm_04_08_gprs.h
@@ -100,6 +100,7 @@
 	 * but which we use to simplify internal APIs */
 	OSMO_IE_GSM_REQ_QOS		= 0xfd,
 	OSMO_IE_GSM_REQ_PDP_ADDR	= 0xfe,
+	OSMO_IE_GSM_SUB_QOS		= 0xff,
 };
 
 /* Chapter 9.4.15 / Table 9.4.15 */