lynxis lazus has uploaded this change for review.

View Change

ePDG: add echo request/response tests on GTPv2/S2b (ePDG <> P-GW)

Change-Id: I7d4fc45c72adef6db86d75f7fec3e43b86c32f2f
---
M epdg/EPDG_Tests.ttcn
M epdg/expected-results.xml
2 files changed, 35 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/89/41589/1

diff --git a/epdg/EPDG_Tests.ttcn b/epdg/EPDG_Tests.ttcn
index e4aed42..05c089c 100644
--- a/epdg/EPDG_Tests.ttcn
+++ b/epdg/EPDG_Tests.ttcn
@@ -873,6 +873,25 @@
 	as_GTP2C_DeleteBearer_success();
 }
 
+private function f_GTP2C_echo_request_response(integer recovery := 23) runs on EPDG_ConnHdlr {
+	timer T := 5.0;
+	var PDU_GTPCv2 rx_msg;
+
+	GTP2.send(ts_GTP2C_EchoReq(recovery));
+	T.start;
+	alt {
+	[] GTP2.receive(tr_GTP2C_EchoResp) -> value rx_msg {
+		setverdict(pass);
+		}
+	[] GTP2.receive {
+		repeat;
+		}
+	[] T.timeout {
+		Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "timeout waiting for Echo Response");
+		}
+	}
+}
+
 private template (value) Gtp1uPeer ts_GtpPeerU(octetstring ip) := {
 	connId := 1,
 	remName := f_inet_ntoa(ip),
@@ -1188,6 +1207,20 @@
 	setverdict(pass);
 }
 
+private function f_TC_s2b_echo_requests(charstring id) runs on EPDG_ConnHdlr {
+	f_initial_attach();
+	/* Transmit Echo Request from the P-GW towards ePDG on s2b */
+	f_GTP2C_echo_request_response();
+}
+testcase TC_s2b_echo_request() runs on MTC_CT {
+	var EPDG_ConnHdlrPars pars := f_init_pars();
+	var EPDG_ConnHdlr vc_conn;
+	f_init();
+	vc_conn := f_start_handler(refers(f_TC_s2b_echo_requests), pars);
+	vc_conn.done;
+	setverdict(pass);
+}
+
 /* 3GPP TS 29.273 Network Initiated De-Registration by HSS, Administrative */
 private function f_TC_hss_initiated_deregister_new_server_assigned(charstring id) runs on EPDG_ConnHdlr {
 	f_initial_attach();
@@ -1356,6 +1389,7 @@
 	execute ( TC_ho_lte_to_wifi() );
 	execute ( TC_ho_wifi_to_lte() );
 	execute ( TC_s2b_CreateSession_rejected() );
+	execute ( TC_s2b_echo_request() );
 	execute ( TC_hss_initiated_deregister_new_server_assigned() );
 	execute ( TC_hss_initiated_deregister_permanent_termination() );
 	execute ( TC_hss_initiated_update_user_profile() );
diff --git a/epdg/expected-results.xml b/epdg/expected-results.xml
index 6b37b8d..7c37609 100644
--- a/epdg/expected-results.xml
+++ b/epdg/expected-results.xml
@@ -7,6 +7,7 @@
   <testcase classname='EPDG_Tests' name='TC_ho_lte_to_wifi' time='MASKED'/>
   <testcase classname='EPDG_Tests' name='TC_ho_wifi_to_lte' time='MASKED'/>
   <testcase classname='EPDG_Tests' name='TC_s2b_CreateSession_rejected' time='MASKED'/>
+  <testcase classname='EPDG_Tests' name='TC_s2b_echo_request' time='MASKED'/>
   <testcase classname='EPDG_Tests' name='TC_hss_initiated_deregister_new_server_assigned' time='MASKED'/>
   <testcase classname='EPDG_Tests' name='TC_hss_initiated_deregister_permanent_termination' time='MASKED'/>
   <testcase classname='EPDG_Tests' name='TC_hss_initiated_update_user_profile' time='MASKED'/>

To view, visit change 41589. To unsubscribe, or for help writing mail filters, visit settings.