Change in osmo-ttcn3-hacks[master]: pcu: Introduce test TC_nacc_outbound_rac_ci_resolve_conn_refused

[pespin]

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/22488 )


Change subject: pcu: Introduce test TC_nacc_outbound_rac_ci_resolve_conn_refused
......................................................................

pcu: Introduce test TC_nacc_outbound_rac_ci_resolve_conn_refused

Change-Id: Ia0452879edb958098598e9e1c943f4e1e458a9bf
---
M pcu/PCU_Tests.ttcn
1 file changed, 57 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/88/22488/1

diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index 316ab65..6a78975 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -3837,6 +3837,62 @@
 }
 
 /* Verify PCU transmits Pkt Cell Change Continue if RAC+CI resolution fails during outbound NACC procedure */
+testcase TC_nacc_outbound_rac_ci_resolve_conn_refused() runs on RAW_PCU_Test_CT {
+	var RlcmacDlBlock dl_block;
+	var PollFnCtx pollctx;
+	var uint32_t sched_fn;
+	var GprsMS ms;
+	var template (value) RlcmacUlCtrlMsg cell_chf_notif;
+	var PCUIF_info_ind info_ind := valueof(ts_PCUIF_INFO_default);
+	var MultislotCap_GPRS mscap_gprs := {
+		gprsmultislotclass := '00011'B,
+		gprsextendeddynalloccap := '0'B
+	};
+	var MSRadioAccessCapabilityV ms_racap := { valueof(ts_RaCapRec('0001'B /* E-GSM */, mscap_gprs, omit)) };
+	var GsmArfcn req_arfcn := 862;
+	var uint6_t req_bsic := 43;
+
+	/* In here we explicitly avoid starting osmo-bsc emulation neighbor
+	 * resolution CTRL port, to trigger Conn Refused by socket:
+	 * f_ipa_ctrl_start_server(mp_ctrl_neigh_ip, mp_ctrl_neigh_port);
+	 */
+
+	/* Initialize NS/BSSGP side */
+	f_init_bssgp();
+	/* Initialize GPRS MS side */
+	f_init_gprs_ms();
+	ms := g_ms[0]; /* We only use first MS in this test */
+
+	/* Initialize the PCU interface abstraction */
+	f_init_raw(testcasename(), info_ind);
+
+	/* Make sure we are not affected by full cache from previous tests */
+	f_pcuvty_flush_neigh_caches();
+
+	/* Establish BSSGP connection to the PCU */
+	f_bssgp_establish();
+	f_bssgp_client_llgmm_assign(TLLI_UNUSED, ms.tlli);
+
+	/* Send PACKET RESOURCE REQUEST */
+	pollctx := f_ms_establish_ul_tbf_2phase_access(ms, ts_RlcMacUlCtrl_PKT_RES_REQ(ms.tlli, ms_racap));
+	/* Pkt Uplink Assignment above sets poll+rrbp requesting PACKET CONTROL ACK */
+	f_ms_tx_ul_block(ms, ts_RLCMAC_CTRL_ACK(ms.tlli), pollctx.fn, nr := pollctx.tstrxbts);
+
+	/* Start NACC from MS side */
+	cell_chf_notif := ts_RlcMacUlCtrl_PKT_CELL_CHG_NOTIF(ms.ul_tbf.tfi, req_arfcn, req_bsic);
+	f_ms_tx_ul_block(ms, ts_RLC_UL_CTRL_ACK(cell_chf_notif), 0, nr := f_ms_tx_TsTrxBtsNum(ms));
+
+	/* Wait until we receive something non-dummy */
+	dl_block := f_skip_dummy(0);
+	/* Make sure it is a Pkt Cell Chg Continue */
+	if (not match(dl_block, tr_RLCMAC_DL_CTRL(?, tr_RlcMacDlCtrl_PKT_CELL_CHG_CONTINUE))) {
+		setverdict(fail, "Rx unexpected DL block: ", dl_block);
+	}
+
+	f_shutdown(__BFILE__, __LINE__, final := true);
+}
+
+/* Verify PCU transmits Pkt Cell Change Continue if RAC+CI resolution fails during outbound NACC procedure */
 testcase TC_nacc_outbound_rac_ci_resolve_timeout() runs on RAW_PCU_Test_CT {
 	var RlcmacDlBlock dl_block;
 	var PollFnCtx pollctx;
@@ -4118,6 +4174,7 @@
 	execute( TC_pcuif_info_ind_subsequent() );
 	execute( TC_nacc_outbound_success() );
 	execute( TC_nacc_outbound_success_twice() );
+	execute( TC_nacc_outbound_rac_ci_resolve_conn_refused() );
 	execute( TC_nacc_outbound_rac_ci_resolve_timeout() );
 	execute( TC_nacc_outbound_rac_ci_resolve_fail_parse_response() );
 	execute( TC_nacc_outbound_si_resolve_timeout() );

-- 
To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/22488
To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings

Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: Ia0452879edb958098598e9e1c943f4e1e458a9bf
Gerrit-Change-Number: 22488
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newchange
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210127/25abb46e/attachment.htm>