Change in osmo-ttcn3-hacks[master]: library/L1CTL_Types.ttcn: add L1CTL_EXT_RACH_REQ message

Vadim Yanitskiy gerrit-no-reply at lists.osmocom.org
Mon Apr 22 00:02:01 UTC 2019


Vadim Yanitskiy has uploaded this change for review. ( https://gerrit.osmocom.org/13734


Change subject: library/L1CTL_Types.ttcn: add L1CTL_EXT_RACH_REQ message
......................................................................

library/L1CTL_Types.ttcn: add L1CTL_EXT_RACH_REQ message

According to 3GPP TS 04.60, section 11.2.5a, the extended (11-bit)
Access Burst on RACH/PRACH is used by the MS to indicate its EGPRS
capability. One of the alternative synch. sequences (see 3GPP TS
05.02, TS1 and TS2) shall be used.

Change-Id: If037cb2f2687697f168d10a033eeb20d20183328
Related: OS#1854
---
M library/L1CTL_Types.ttcn
1 file changed, 42 insertions(+), 1 deletion(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/34/13734/1

diff --git a/library/L1CTL_Types.ttcn b/library/L1CTL_Types.ttcn
index ae800b0..6ffbbb8 100644
--- a/library/L1CTL_Types.ttcn
+++ b/library/L1CTL_Types.ttcn
@@ -47,7 +47,8 @@
 		L1CTL_TBF_CFG_CONF,
 		L1CTL_DATA_TBF_REQ,
 		L1CTL_DATA_TBF_CONF,
-		L1CTL_DATA_ABS_REQ
+		L1CTL_EXT_RACH_REQ,
+		L1CTL_DATA_ABS_REQ /*!< FIXME: no such message in OsmocomBB */
 	} with { variant "FIELDLENGTH(8)" };
 
 	type enumerated L1ctlCcchMode {
@@ -256,6 +257,19 @@
 		uint16_t	offset
 	} with { variant "" };
 
+	type enumerated L1ctlRachSynchSeq {
+		RACH_SYNCH_SEQ_TS0 (0),
+		RACH_SYNCH_SEQ_TS1,
+		RACH_SYNCH_SEQ_TS2
+	} with { variant "FIELDLENGTH(8)" };
+
+	type record L1ctlExtRachReq {
+		uint16_t		ra11,
+		L1ctlRachSynchSeq	synch_seq,
+		uint8_t			combined,
+		uint16_t		offset
+	} with { variant "" };
+
 	type record L1ctlParReq {
 		int8_t		ta,
 		uint8_t		tx_power,
@@ -317,6 +331,7 @@
 		L1ctlCcchModeReq	ccch_mode_req,
 		L1ctlTchModeReq		tch_mode_req,
 		L1ctlRachReq		rach_req,
+		L1ctlExtRachReq		ext_rach_req,
 		L1ctlParReq		par_req,
 		L1ctlDmEstReq		dm_est_req,
 		L1ctlReset		reset_req,
@@ -337,6 +352,7 @@
 		L1ctlUlAbsInfo	ul_info_abs optional,
 		L1ctlUlPayload	payload
 	} with { variant (ul_info) "PRESENCE(header.msg_type = L1CTL_RACH_REQ,
+					     header.msg_type = L1CTL_EXT_RACH_REQ,
 					     header.msg_type = L1CTL_PARAM_REQ,
 					     header.msg_type = L1CTL_CRYPTO_REQ,
 					     header.msg_type = L1CTL_DATA_REQ,
@@ -350,6 +366,7 @@
 					     ccch_mode_req, header.msg_type = L1CTL_CCCH_MODE_REQ;
 					     tch_mode_req, header.msg_type = L1CTL_TCH_MODE_REQ;
 					     rach_req, header.msg_type = L1CTL_RACH_REQ;
+					     ext_rach_req, header.msg_type = L1CTL_EXT_RACH_REQ;
 					     par_req, header.msg_type = L1CTL_PARAM_REQ;
 					     dm_est_req, header.msg_type = L1CTL_DM_EST_REQ;
 					     reset_req, header.msg_type = L1CTL_RESET_REQ;
@@ -464,6 +481,7 @@
 	template L1ctlUlMessage ts_L1CTL_RACH_REQ(uint8_t ra, uint8_t combined, uint16_t offset) := {
 		header := ts_L1ctlHeader(L1CTL_RACH_REQ),
 		ul_info := {
+			/* FIXME: both RSL chan_nr and link_id should be configurable */
 			chan_nr := t_RslChanNr_RACH(0),
 			link_id := ts_RslLinkID_DCCH(0),
 			padding := '0000'O
@@ -479,6 +497,29 @@
 		}
 	}
 
+	template L1ctlUlMessage ts_L1CTL_EXT_RACH_REQ(
+		uint16_t ra11, L1ctlRachSynchSeq seq,
+		uint8_t combined, uint16_t offset
+	) := {
+		header := ts_L1ctlHeader(L1CTL_EXT_RACH_REQ),
+		ul_info := {
+			/* FIXME: both RSL chan_nr and link_id should be configurable */
+			chan_nr := t_RslChanNr_RACH(0),
+			link_id := ts_RslLinkID_DCCH(0),
+			padding := '0000'O
+		},
+		ul_info_tbf := omit,
+		ul_info_abs := omit,
+		payload := {
+			ext_rach_req := {
+				ra11 := ra11,
+				synch_seq := seq,
+				combined := combined,
+				offset := offset
+			}
+		}
+	}
+
 	template L1ctlUlMessage ts_L1CTL_PAR_REQ(uint8_t ta, uint8_t tx_power) := {
 		header := ts_L1ctlHeader(L1CTL_PARAM_REQ),
 		ul_info := {

-- 
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: If037cb2f2687697f168d10a033eeb20d20183328
Gerrit-Change-Number: 13734
Gerrit-PatchSet: 1
Gerrit-Owner: Vadim Yanitskiy <axilirator at gmail.com>
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