pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/42144?usp=email )
Change subject: 5gc: Introduce test TC_connection_suspend ......................................................................
5gc: Introduce test TC_connection_suspend
The test is expected to fail because open5gs (as of v2.7.3) doesn't implement such features; see open5gs ticket referenced below.
Related: SYS#7073 Related: open5gs GH#4322
Change-Id: I6da2571518a9b50369fa8e0dd19e447137ea20c6 --- M 5gc/C5G_Tests.ttcn M 5gc/ConnHdlr.ttcn M 5gc/expected-results.xml M library/ngap/NGAP_EncDec.cc M library/ngap/NGAP_Types.ttcn 5 files changed, 95 insertions(+), 2 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/44/42144/1
diff --git a/5gc/C5G_Tests.ttcn b/5gc/C5G_Tests.ttcn index 5f1516d..5a35b5a 100644 --- a/5gc/C5G_Tests.ttcn +++ b/5gc/C5G_Tests.ttcn @@ -572,6 +572,35 @@ vc_conn.done; }
+/* 3GPP TS 23.502 4.8.1.2 Connection Suspend procedure, + * 3GPP TS 23.502 4.8.2.3 Connection Resume procedure */ +private function f_TC_connection_suspend() runs on ConnHdlr { + f_register(); + f_pdu_sess_establish(false); + + f_ue_context_suspend(); + f_ue_context_resume(); + f_sleep(1.0); + f_ue_context_release(); +} +testcase TC_connection_suspend() runs on MTC_CT { + var ConnHdlr vc_conn; + var ConnHdlrPars pars; + + /* TODO: 3GPP TS 23.501 5.31.18 "User Plane CIoT 5GS Optimisation": + * - UE and AMF negotiated support User Plane CIoT 5GS Optimisation (see clause 5.31.2) over NAS, + * - the UE has indicated support of User Plane CIoT 5GS Optimisation in the UE radio capabilities as defined in TS 36.331 [51] + * AMF has indicated User Plane CIoT 5GS Optimisation support for the UE to NG-RAN + */ + f_init(); + f_ngap_setup(0); + + pars := f_init_pars(ue_idx := 0); + + vc_conn := f_start_handler_with_pars(refers(f_TC_connection_suspend), pars); + vc_conn.done; +} + control { execute( TC_ng_setup() ); execute( TC_ng_setup_unknown_global_gnb_id_plmn() ); @@ -611,8 +640,8 @@ * - 3GPP TS 23.502 4.5.2 Session Management Subscriber Data Update Notification to SMF: open5gs-udm supports sotring subscriptions, but never triggers notifications whenever subscriber data is changed. open5gs-smfd registers to UDM but doesn't implement receiving a notification. * - 3GPP TS 23.502 4.7 ME Identity check procedure: N5g-eir (OGS_SBI_SERVICE_NAME_N5G_EIR_EIC) not implemented * - 3GPP TS 23.502 4.8.1.1(a) Connection Inactive procedure: Not supported by open5gs (https://github.com/open5gs/open5gs/issues/4319) - * - 3GPP TS 23.502 4.8.1.2 Connection Suspend procedure - * - 3GPP TS 23.502 4.8.2 Connection Resume procedure + * - 3GPP TS 23.502 4.8.1.2 Connection Suspend procedure: Not supported by open5gs (https://github.com/open5gs/open5gs/issues/4322) + * - 3GPP TS 23.502 4.8.2 Connection Resume procedure: Not supported by open5gs (https://github.com/open5gs/open5gs/issues/4322) * - 3GPP TS 23.502 4.9 Handover procedures * - 3GPP TS 23.502 4.12 Procedures for Untrusted non-3GPP access * - 3GPP TS 23.502 4.12a Procedures for Trusted non-3GPP access diff --git a/5gc/ConnHdlr.ttcn b/5gc/ConnHdlr.ttcn index d31aaa7..ce7d38f 100644 --- a/5gc/ConnHdlr.ttcn +++ b/5gc/ConnHdlr.ttcn @@ -845,6 +845,42 @@ g_pars.ue_pars.ran_id))); }
+/* 3GPP TS 38.413 9.2.2.16 UE CONTEXT SUSPEND REQUEST + * 3GPP TS 23.502 4.8.1.2 Connection Suspend procedure */ +function f_ue_context_suspend() runs on ConnHdlr +{ + var template (value) UEContextSuspendRequestTransfer transfer; + var octetstring transfer_enc; + var template (value) NGAP_PDU tx_pdu; + + transfer := m_uEContextSuspendRequestTransfer(p_suspendIndicator := m_suspendIndicator); + transfer_enc := enc_NGAP_UEContextSuspendRequestTransfer(valueof(transfer)); + tx_pdu := m_ngap_initMsg(m_n2_UEContextSuspendRequest( + g_pars.ue_pars.amf_id, + g_pars.ue_pars.ran_id, + {m_pDUSessionResourceSuspendItemSUSReq(g_pars.ue_pars.sess_pars.id, transfer_enc)})); + NGAP.send(tx_pdu); + NGAP.receive(mw_ngap_succMsg(mw_n2_UEContextSuspendResponse( + g_pars.ue_pars.amf_id, + g_pars.ue_pars.ran_id))); +} + +/* 3GPP TS 38.413 9.2.2.16 9.2.2.19 UE CONTEXT RESUME REQUEST + * 3GPP TS 23.502 4.8.2.3 Connection Resume procedure */ +function f_ue_context_resume() runs on ConnHdlr +{ + var template (value) NGAP_PDU tx_pdu; + + tx_pdu := m_ngap_initMsg(m_n2_UEContextResumeRequest( + g_pars.ue_pars.amf_id, + g_pars.ue_pars.ran_id, + m_rRCEstablishmentCause)); + NGAP.send(tx_pdu); + NGAP.receive(mw_ngap_succMsg(mw_n2_UEContextResumeResponse( + g_pars.ue_pars.amf_id, + g_pars.ue_pars.ran_id))); +} + /* Handle a PDUSessionResourceSetupRequestTransfer contained inside NGAP InitialContextSetupRequest and return a Result for InitialContextSetupResponse */ private function f_pdu_handle_session_resource_released_item(PDUSessionResourceToReleaseItemRelCmd cmd) runs on ConnHdlr return PDUSessionResourceReleasedItemRelRes { diff --git a/5gc/expected-results.xml b/5gc/expected-results.xml index 0472dc7..78d5a11 100644 --- a/5gc/expected-results.xml +++ b/5gc/expected-results.xml @@ -18,4 +18,9 @@ <testcase classname='C5G_Tests' name='TC_connection_inactive' time='MASKED'> <error type='DTE'></error> </testcase> + <testcase classname='C5G_Tests' name='TC_connection_suspend' time='MASKED'> + <failure type='fail-verdict'>"C5G_Tests.ttcn:MASKED : Tguard timeout" + C5G_Tests.ttcn:601 TC_connection_suspend testcase + </failure> + </testcase> </testsuite> diff --git a/library/ngap/NGAP_EncDec.cc b/library/ngap/NGAP_EncDec.cc index b81591d..8b825d5 100644 --- a/library/ngap/NGAP_EncDec.cc +++ b/library/ngap/NGAP_EncDec.cc @@ -109,4 +109,24 @@ return ret; }
+OCTETSTRING enc__NGAP__UEContextSuspendRequestTransfer(const NGAP__IEs::UEContextSuspendRequestTransfer &p) +{ + TTCN_Buffer TTCN_buf; + TTCN_buf.clear(); + p.encode(NGAP__IEs::UEContextSuspendRequestTransfer_descr_, TTCN_buf, + TTCN_EncDec::CT_PER, PER_ALIGNED); + return OCTETSTRING(TTCN_buf.get_len(), TTCN_buf.get_data()); +} + +NGAP__IEs::UEContextSuspendRequestTransfer dec__NGAP__UEContextSuspendRequestTransfer(const OCTETSTRING &stream) +{ + NGAP__IEs::UEContextSuspendRequestTransfer ret; + TTCN_Buffer TTCN_buf; + TTCN_buf.clear(); + TTCN_buf.put_os(stream); + ret.decode(NGAP__IEs::UEContextSuspendRequestTransfer_descr_, TTCN_buf, + TTCN_EncDec::CT_PER, PER_ALIGNED); + return ret; +} + } diff --git a/library/ngap/NGAP_Types.ttcn b/library/ngap/NGAP_Types.ttcn index 96ccea9..d9523b4 100644 --- a/library/ngap/NGAP_Types.ttcn +++ b/library/ngap/NGAP_Types.ttcn @@ -17,4 +17,7 @@
external function enc_NGAP_PDUSessionResourceModifyResponseTransfer(NGAP_IEs.PDUSessionResourceModifyResponseTransfer p) return octetstring; external function dec_NGAP_PDUSessionResourceModifyResponseTransfer(in octetstring pdu) return NGAP_IEs.PDUSessionResourceModifyResponseTransfer; + + external function enc_NGAP_UEContextSuspendRequestTransfer(NGAP_IEs.UEContextSuspendRequestTransfer p) return octetstring; + external function dec_NGAP_UEContextSuspendRequestTransfer(in octetstring pdu) return NGAP_IEs.UEContextSuspendRequestTransfer; }
-
pespin