pcu_sock: Forward imm.ass PCU originated messages

The PCU sends imm.ass messages in response to a rach request. Those
messages need to be forwarded to RSL in order to get them send. This
commit introduces the required functionality for that

Change-Id: Ice099c4ed7008200ed179e581aba1899c6c29455

2 files changed, 21 insertions, 0 deletions

diff --git a/openbsc/include/openbsc/pcu_if.h b/openbsc/include/openbsc/pcu_if.h
index 68d417411..0c355b7a6 100644
--- a/openbsc/include/openbsc/pcu_if.h
+++ b/openbsc/include/openbsc/pcu_if.h
@@ -24,6 +24,10 @@ int pcu_tx_rach_ind(struct gsm_bts *bts, int16_t qta, uint16_t ra, uint32_t fn,
 /* Confirm the sending of an immediate assignment to the pcu */
 int pcu_tx_imm_ass_sent(struct gsm_bts *bts, uint32_t tlli);
 
+
+/* Confirm the sending of an immediate assignment to the pcu */
+int pcu_tx_imm_ass_sent(struct gsm_bts *bts, uint32_t tlli);
+
 /* Open connection to PCU */
 int pcu_sock_init(const char *path, struct gsm_bts *bts);
 
diff --git a/openbsc/include/openbsc/pcuif_proto.h b/openbsc/include/openbsc/pcuif_proto.h
index 3fc500b5a..eb28d66bc 100644
--- a/openbsc/include/openbsc/pcuif_proto.h
+++ b/openbsc/include/openbsc/pcuif_proto.h
@@ -7,6 +7,7 @@
 #define PCU_IF_MSG_DATA_REQ	0x00	/* send data to given channel */
 #define PCU_IF_MSG_DATA_CNF	0x01	/* confirm (e.g. transmission on PCH) */
 #define PCU_IF_MSG_DATA_IND	0x02	/* receive data from given channel */
+#define PCU_IF_MSG_DATA_CNF_DT	0x11	/* confirm (with direct tlli) */
 #define PCU_IF_MSG_RTS_REQ	0x10	/* ready to send request */
 #define PCU_IF_MSG_RACH_IND	0x22	/* receive RACH */
 #define PCU_IF_MSG_INFO_IND	0x32	/* retrieve BTS info */
@@ -56,6 +57,21 @@ struct gsm_pcu_if_data {
 	int16_t		lqual_cb;	/* !< \brief Link quality in centiBel */
 } __attribute__ ((packed));
 
+/* data confirmation with direct tlli (instead of raw mac block with tlli) */
+struct gsm_pcu_if_data_cnf_dt {
+	uint8_t		sapi;
+	uint32_t	tlli;
+	uint32_t	fn;
+	uint16_t	arfcn;
+	uint8_t		trx_nr;
+	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 {
 	uint8_t		sapi;
 	uint8_t		spare[3];
@@ -146,6 +162,7 @@ struct gsm_pcu_if {
 	union {
 		struct gsm_pcu_if_data		data_req;
 		struct gsm_pcu_if_data		data_cnf;
+		struct gsm_pcu_if_data_cnf_dt	data_cnf_dt;
 		struct gsm_pcu_if_data		data_ind;
 		struct gsm_pcu_if_rts_req	rts_req;
 		struct gsm_pcu_if_rach_ind	rach_ind;