pcuif_proto: protocol 9: add missing fields

The protocol 9 was extended (compatible) with
* app info request
* suspend request (ETWS)
* rach indition (add fields ts / trx)

Only copy the relevant parts but no implementation.

Related: OS#4766, OS#4767, OS#4768
Change-Id: Ia81310326b093a8e473b6c69045304667b3b60f1

1 files changed, 22 insertions, 0 deletions

diff --git a/include/osmocom/bsc/pcuif_proto.h b/include/osmocom/bsc/pcuif_proto.h
index b9f61b6f1..e88607e6b 100644
--- a/include/osmocom/bsc/pcuif_proto.h
+++ b/include/osmocom/bsc/pcuif_proto.h
@@ -3,6 +3,8 @@
 
 #include <osmocom/gsm/l1sap.h>
 
+#define PCU_SOCK_DEFAULT	"/tmp/pcu_bts"
+
 #define PCU_IF_VERSION		0x09
 #define TXT_MAX_LEN	128
 
@@ -10,6 +12,8 @@
 #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_SUSP_REQ	0x03	/* BTS forwards GPRS SUSP REQ to PCU */
+#define PCU_IF_MSG_APP_INFO_REQ	0x04	/* BTS asks PCU to transmit APP INFO via PACCH */
 #define PCU_IF_MSG_RTS_REQ	0x10	/* ready to send request */
 #define PCU_IF_MSG_DATA_CNF_DT	0x11	/* confirm (with direct tlli) */
 #define PCU_IF_MSG_RACH_IND	0x22	/* receive RACH */
@@ -104,6 +108,8 @@ struct gsm_pcu_if_rach_ind {
 	uint16_t	arfcn;
 	uint8_t		is_11bit;
 	uint8_t		burst_type;
+	uint8_t		trx_nr;
+	uint8_t		ts_nr;
 } __attribute__ ((packed));
 
 struct gsm_pcu_if_info_trx {
@@ -169,6 +175,20 @@ struct gsm_pcu_if_pag_req {
 	uint8_t		identity_lv[9];
 } __attribute__ ((packed));
 
+/* BTS tells PCU to [once] send given application data via PACCH to all UE with active TBF */
+struct gsm_pcu_if_app_info_req {
+	uint8_t		application_type; /* 4bit field, see TS 44.060 11.2.47 */
+	uint8_t		len;		  /* length of data */
+	uint8_t		data[162];	  /* random size choice; ETWS needs 56 bytes */
+} __attribute__ ((packed));
+
+/* BTS tells PCU about a GPRS SUSPENSION REQUEST received on DCCH */
+struct gsm_pcu_if_susp_req {
+	uint32_t	tlli;
+	uint8_t		ra_id[6];
+	uint8_t		cause;
+} __attribute__ ((packed));
+
 struct gsm_pcu_if {
 	/* context based information */
 	uint8_t		msg_type;	/* message type */
@@ -180,6 +200,7 @@ struct gsm_pcu_if {
 		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_susp_req	susp_req;
 		struct gsm_pcu_if_rts_req	rts_req;
 		struct gsm_pcu_if_rach_ind	rach_ind;
 		struct gsm_pcu_if_txt_ind	txt_ind;
@@ -187,6 +208,7 @@ struct gsm_pcu_if {
 		struct gsm_pcu_if_act_req	act_req;
 		struct gsm_pcu_if_time_ind	time_ind;
 		struct gsm_pcu_if_pag_req	pag_req;
+		struct gsm_pcu_if_app_info_req	app_info_req;
 	} u;
 } __attribute__ ((packed));