pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/38576?usp=email )

Change subject: hnbgw: Introduce test TC_cs_iu_release_req_rua_disconnect ......................................................................

hnbgw: Introduce test TC_cs_iu_release_req_rua_disconnect

Related: SYS#6602 Change-Id: I6782920c4a86d3311eb54239ab13a18e393c1ec0 --- M hnbgw/HNBGW_Tests.ttcn M library/ranap/RANAP_Templates.ttcn 2 files changed, 51 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/76/38576/1

diff --git a/hnbgw/HNBGW_Tests.ttcn b/hnbgw/HNBGW_Tests.ttcn index 5249b8a..9dc8449 100644 --- a/hnbgw/HNBGW_Tests.ttcn +++ b/hnbgw/HNBGW_Tests.ttcn @@ -1327,6 +1327,55 @@ f_tc_ranap_creq_cref(8, true); }

+private function f_tc_cs_iu_release_req_rua_disconnect(charstring id) runs on ConnHdlr { + var MgcpCommand mgcp_cmd; + var RANAP_PDU tx; + timer T := 5.0; + + f_create_mgcp_expect(ExpectCriteria:{omit,omit,omit}); + + tx := f_build_initial_ue(g_pars); + f_iuh2iu_connect(tx); + + f_create_rab(g_pars.mgcp_pars); + + RUA.send(ts_RANAP_IuReleaseRequest(ts_RanapCause_radio_rab_preempted)); + /* Leave small gap between Iu-Release Request and DISCONNECT: */ + f_sleep(0.1); + RUA.send(RUA_Disc_Req:{{misc:=unspecified}, omit}); + + /* Make sure RUA DISCONNECT arrives to HNBGW before Iu-ReleaseCmd from CN: */ + BSSAP.receive(tr_RANAP_IuReleaseRequest(ts_RanapCause_radio_rab_preempted)); + f_sleep(1.0); + BSSAP.send(ts_RANAP_IuReleaseCommand(ts_RanapCause_radio_rab_preempted)); + + T.start; + alt { + [] as_mgcp_dlcx() {} + [] T.timeout { + setverdict(fail, "Timeout waiting for DLCX"); + } + } + T.stop; + + /* TODO/FIXME: Should HNBGW consider the Iu conn in HNB to be already released? or Somehow get a RUA conn to it so it can either: + * - Tx Iu-ReleaseCommand + * - Tx Iu Reset Resource (IuSigConid) + */ + + BSSAP.receive(tr_RANAP_IuReleaseComplete()); +} +testcase TC_cs_iu_release_req_rua_disconnect() runs on test_CT { + var ConnHdlr vc_conn; + g_num_hnbs := 1; + f_init(); + + vc_conn := f_start_handler_with_pars(refers(f_tc_cs_iu_release_req_rua_disconnect), f_TestHdlrParams(9)); + vc_conn.done; + + f_shutdown_helper(); +} + type record FTeid { HostName addr, OCT4 teid @@ -2413,6 +2462,7 @@ execute(TC_ranap_ps_mo_disconnect()); execute(TC_ranap_cs_creq_cref()); execute(TC_ranap_ps_creq_cref()); + execute(TC_cs_iu_release_req_rua_disconnect());

if (mp_enable_pfcp_tests) { execute(TC_ps_rab_assignment_with_pfcp()); diff --git a/library/ranap/RANAP_Templates.ttcn b/library/ranap/RANAP_Templates.ttcn index 3f9c497..b09d23e 100644 --- a/library/ranap/RANAP_Templates.ttcn +++ b/library/ranap/RANAP_Templates.ttcn @@ -13,6 +13,7 @@

template (value) Cause ts_RanapCause_om_intervention := { misc := 113 }; template (value) Cause ts_RanapCause_nas_normal := { nAS := 83 }; +template (value) Cause ts_RanapCause_radio_rab_preempted := { radioNetwork := 1 }; template (value) Cause ts_RanapCause_radio_conn_release := { radioNetwork := 40 }; template (value) Cause ts_RanapCause_radio_conn_lost := { radioNetwork := 46 };