Change in osmo-ttcn3-hacks[master]: BSC_Tests/hopping: add TC_fh_params_si4_cbch

[fixeria]

fixeria has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/19927 )


Change subject: BSC_Tests/hopping: add TC_fh_params_si4_cbch
......................................................................

BSC_Tests/hopping: add TC_fh_params_si4_cbch

Change-Id: Ibc3b73697a1d2c8dbb27274e48f5e5ba21fdd540
Related: SYS#4868, OS#4545
---
M bsc/BSC_Tests.ttcn
1 file changed, 69 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/27/19927/1

diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index 578b207..ff42f6a 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -7148,6 +7148,74 @@
 	setverdict(pass);
 }
 
+/* Verify the hopping parameters in System Information Type 4 */
+testcase TC_fh_params_si4_cbch() runs on test_CT {
+	var FHParamsTrx fhp := f_TC_fh_params_gen(tr_tn := 1);
+	var ASP_RSL_Unitdata rx_rsl_ud;
+	timer T := 5.0;
+
+	f_init_vty();
+
+	/* (Re)configure TS0 as BCCH and TS1 as SDCCH8+CBCH */
+	f_vty_enter_cfg_trx(BSCVTY, trx := 0);
+
+	f_vty_transceive(BSCVTY, "timeslot 0");
+	f_vty_transceive(BSCVTY, "phys_chan_config ccch");
+	f_vty_transceive(BSCVTY, "exit"); /* go back */
+
+	f_vty_transceive(BSCVTY, "timeslot 1");
+	f_vty_transceive(BSCVTY, "phys_chan_config sdcch8+cbch");
+	f_vty_transceive(BSCVTY, "end"); /* we're done */
+
+	f_TC_fh_params_set(fhp); /* Enable frequency hopping */
+	f_vty_transceive(BSCVTY, "drop bts connection 0 oml");
+
+	f_init(1);
+
+	T.start;
+	alt {
+	[] IPA_RSL[0].receive(tr_ASP_RSL_UD(tr_RSL_BCCH_INFO(RSL_SYSTEM_INFO_4))) -> value rx_rsl_ud {
+		var RSL_IE_Body ie := rx_rsl_ud.rsl.ies[2].body; /* FULL BCCH Information IE */
+		var SystemInformation si := dec_SystemInformation(ie.other.payload);
+
+		/* Make sure that what we decoded is System Information Type 4 */
+		if (si.header.message_type != SYSTEM_INFORMATION_TYPE_4) {
+			setverdict(fail, "RSL FULL BCCH Information IE contains: ", si);
+			repeat;
+		}
+
+		/* Make sure that CBCH Channel Description IE is present */
+		if (not ispresent(si.payload.si4.cbch_chan_desc)) {
+			setverdict(fail, "CBCH Channel Description IE is absent");
+			repeat;
+		}
+
+		/* Finally, check the hopping parameters (HSN, MAIO) */
+		f_TC_fh_params_match_chan_desc(fhp, si.payload.si4.cbch_chan_desc.v);
+		}
+	[] IPA_RSL[0].receive { repeat; }
+	[] T.timeout {
+		setverdict(fail, "Timeout waiting for RSL BCCH INFOrmation (SI4)");
+		}
+	}
+
+	/* Disable frequency hopping */
+	f_TC_fh_params_unset(fhp);
+
+	/* (Re)configure TS0 as CCCH+SDCCH4 and TS1 as TCH/F */
+	f_vty_enter_cfg_trx(BSCVTY, trx := 0);
+
+	f_vty_transceive(BSCVTY, "timeslot 0");
+	f_vty_transceive(BSCVTY, "phys_chan_config ccch+sdcch4");
+	f_vty_transceive(BSCVTY, "exit"); /* go back */
+
+	f_vty_transceive(BSCVTY, "timeslot 1");
+	f_vty_transceive(BSCVTY, "phys_chan_config tch/f");
+	f_vty_transceive(BSCVTY, "end"); /* we're done */
+
+	setverdict(pass);
+}
+
 /* Dyn PDCH todo:
    * activate OSMO as TCH/F
    * activate OSMO as TCH/H
@@ -7380,6 +7448,7 @@
 	execute( TC_fh_params_chan_activ() );
 	execute( TC_fh_params_imm_ass() );
 	execute( TC_fh_params_assignment_cmd() );
+	execute( TC_fh_params_si4_cbch() );
 }
 
 }

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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: Ibc3b73697a1d2c8dbb27274e48f5e5ba21fdd540
Gerrit-Change-Number: 19927
Gerrit-PatchSet: 1
Gerrit-Owner: fixeria <vyanitskiy at sysmocom.de>
Gerrit-MessageType: newchange
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