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;
}
--
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Gerrit-MessageType: newchange
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I6da2571518a9b50369fa8e0dd19e447137ea20c6
Gerrit-Change-Number: 42144
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <[email protected]>
