diff --git a/src/pcuif_proto.h b/src/pcuif_proto.h
index 9d740ac..d320380 100644
--- a/src/pcuif_proto.h
+++ b/src/pcuif_proto.h
@@ -1,7 +1,7 @@
 #ifndef _PCUIF_PROTO_H
 #define _PCUIF_PROTO_H
 
-#define PCU_IF_VERSION		0x05
+#define PCU_IF_VERSION		0x06
 
 /* msg_type */
 #define PCU_IF_MSG_DATA_REQ	0x00	/* send data to given channel */
@@ -50,6 +50,9 @@
 	uint8_t		ts_nr;
 	uint8_t		block_nr;
 	int8_t		rssi;
+	uint16_t ber10k;	/*!< \brief BER in units of 0.01% */
+	int16_t ta_offs_qbits;	/* !< \brief Burst TA Offset in quarter bits */
+	int16_t lqual_cb;	/* !< \brief Link quality in centiBel */
 } __attribute__ ((packed));
 
 struct gsm_pcu_if_rts_req {