bsc: TC_assignment_csd: expect BSC to handle CSD

Related: OS#4393
Change-Id: Iff19dc704af09d09d2265d8da38fc745a3936ce4

bsc/BSC_Tests.ttcn

@@ -1837,13 +1837,37 @@ runs on test_CT return DchanTuple {
 	}
 	return dt;
 }
-testcase TC_assignment_csd() runs on test_CT {
-	var template PDU_BSSAP exp_fail := tr_BSSMAP_AssignmentFail;
+
+private function f_tc_assignment_csd(charstring id) runs on MSC_ConnHdlr {
+	var template PDU_BSSAP exp_compl := f_gen_exp_compl();
 	var PDU_BSSAP ass_cmd := f_gen_ass_req();
+
 	ass_cmd.pdu.bssmap.assignmentRequest.channelType := valueof(ts_BSSMAP_IE_ChannelTypeCSD);
-	//exp_fail.pdu.bssmap.assignmentFailure.cause.causeValue := int2bit(enum2int(GSM0808_CAUSE_REQ_CODEC_TYPE_OR_CONFIG_UNAVAIL), 7);
-	var DchanTuple dt := f_assignment_exp(ass_cmd, exp_fail, "BSC accepted Assignment for CSD");
-	f_perform_clear_test_ct(dt);
+	ass_cmd.pdu.bssmap.assignmentRequest.codecList := valueof(ts_BSSMAP_IE_CodecList({ts_CodecCSData}));
+
+	ass_cmd.pdu.bssmap.assignmentRequest.channelType.speechId_DataIndicator := GSM0808_DATA_RATE_TRANSP_4k8;
+
+	f_establish_fully(ass_cmd, exp_compl);
+	f_perform_clear();
+}
+testcase TC_assignment_csd() runs on test_CT {
+	if (Misc_Helpers.f_osmo_repo_is("nightly")) { /* osmo-bsc > 1.10.0 */
+		var MSC_ConnHdlr vc_conn;
+		var TestHdlrParams pars := f_gen_test_hdlr_pars();
+		pars.encr := valueof(t_EncrParams('01'O, f_rnd_octstring(8)));
+
+		f_init(1, true);
+		f_sleep(1.0);
+		vc_conn := f_start_handler(refers(f_tc_assignment_csd), pars);
+		vc_conn.done;
+	} else {
+		var template PDU_BSSAP exp_fail := tr_BSSMAP_AssignmentFail;
+		var PDU_BSSAP ass_cmd := f_gen_ass_req();
+		ass_cmd.pdu.bssmap.assignmentRequest.channelType := valueof(ts_BSSMAP_IE_ChannelTypeCSD);
+		//exp_fail.pdu.bssmap.assignmentFailure.cause.causeValue := int2bit(enum2int(GSM0808_CAUSE_REQ_CODEC_TYPE_OR_CONFIG_UNAVAIL), 7);
+		var DchanTuple dt := f_assignment_exp(ass_cmd, exp_fail, "BSC accepted Assignment for CSD");
+		f_perform_clear_test_ct(dt);
+	}
 	f_shutdown_helper();
 }
 

library/BSSMAP_Templates.ttcn

@@ -112,6 +112,36 @@ type enumerated myBSSMAP_Cause {
 	GSM0808_CAUSE_DTM_HO_TIMER_EXPIRY				('1100010'B)
 } with { variant "FIELDLENGTH(7)" };
 
+/* 3GPP TS 48.008 3.2.2.11 Channel Type
+ * Transparent: Data Rate */
+const OCT1 GSM0808_DATA_RATE_TRANSP_32k0    := ('3a'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_28k8    := ('39'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_14k4    := ('18'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_9k6     := ('10'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_4k8     := ('11'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_2k4	    := ('12'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_1k2	    := ('13'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_600	    := ('14'O);
+const OCT1 GSM0808_DATA_RATE_TRANSP_1200_75 := ('15'O);
+
+/* 3GPP TS 48.008 3.2.2.11 Channel Type
+ * Non-Transparent: Radio Interface Data Rate (preferred) */
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_12000_6000 := ('00'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_43k5       := ('34'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_29k0       := ('31'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_14k5       := ('14'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_12k0       := ('10'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_6k0        := ('11'O);
+
+/* 3GPP TS 48.008 3.2.2.11 Channel Type
+ * Non-Transparent: Allowed Radio Interface Data Rate (all possible allowed) */
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_ALLOWED_43k5 := ('40'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_ALLOWED_32k0 := ('20'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_ALLOWED_29k0 := ('10'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_ALLOWED_14k5 := ('08'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_ALLOWED_12k0 := ('02'O);
+const OCT1 GSM0808_DATA_RATE_NON_TRANSP_ALLOWED_6k0  := ('01'O);
+
 type enumerated BSSMAP_LcsCause {
 	BSSMAP_LCS_CAUSE_UNSPECIFIED		('00000000'B),
 	BSSMAP_LCS_CAUSE_SYSTEM_FAILURE		('00000001'B),
@@ -603,6 +633,15 @@ template (value) BSSMAP_FIELD_CodecElement ts_CodecAMR_WB modifies ts_CodecBase
 	codecType := FR_AMR_WB,
 	s0_7 :=  '00000001'B
 }
+template (value) BSSMAP_FIELD_CodecElement ts_CodecCSData modifies ts_CodecBase := {
+	codecType := CodecExtension,
+	tF := '0'B, /* Spare */
+	pT := '0'B, /* CSDoTDM */
+	pI := '1'B, /* CSDoIP */
+	fI := '0'B, /* Spare */
+	extendedCodecType := 'FD'O, /* CSData */
+	s0_7 := '00000000'B /* R2, R3, Spare */
+}
 template BSSMAP_IE_SpeechCodecList ts_BSSMAP_IE_CodecList(template BSSMAP_FIELD_CodecElements elem) := {
 	elementIdentifier := '7D'O,
 	lengthIndicator := 0, /* overwritten */