lynxis lazus has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/39262?usp=email )
Change subject: SGSN: add testcases for PDP Context Status
......................................................................
SGSN: add testcases for PDP Context Status
Both the network and the UE can add a TLV which
describes the active PDPs from their perspective.
Change-Id: I5a29e667f53cc2834fbddd2c5dc901d3e6ae72c7
---
M library/L3_Templates.ttcn
M sgsn/SGSN_Tests.ttcn
2 files changed, 219 insertions(+), 9 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks
refs/changes/62/39262/1
diff --git a/library/L3_Templates.ttcn b/library/L3_Templates.ttcn
index 9551845..1f868db 100644
--- a/library/L3_Templates.ttcn
+++ b/library/L3_Templates.ttcn
@@ -341,12 +341,33 @@
};
/* TS 24.008 10.5.7.1 PDPContextStatus */
-template (value) PDPContextStatusTLV ts_PDPContextStatusTLV(template (value)
OCT2 status := '0000'O /* all inactive */) := {
- elementIdentifier := '32'O,
- lengthIndicator := 0, /* overwritten */
- valueField := status
-};
+function tr_PDPContextStatusTLV(template OCT2 status := *) return template
PDPContextStatusTLV {
+ if (istemplatekind(status, "omit")) {
+ return omit;
+ } else if (istemplatekind(status, "*")) {
+ return *;
+ } else {
+ var template PDPContextStatusTLV ret := {
+ elementIdentifier := '32'O,
+ lengthIndicator := ?,
+ valueField := status
+ };
+ return ret;
+ }
+}
+function ts_PDPContextStatusTLV(template (omit) OCT2 status := omit) return
template (omit) PDPContextStatusTLV {
+ if (istemplatekind(status, "omit")) {
+ return omit;
+ } else {
+ var template (omit) PDPContextStatusTLV ret := {
+ elementIdentifier := '32'O,
+ lengthIndicator := 0, /* overwritten */
+ valueField := status
+ };
+ return ret;
+ }
+}
/* Send template for LOCATION UPDATING REQUEST */
template (value) PDU_ML3_MS_NW ts_LU_REQ(template (value) LocationUpdatingType
lu_type,
@@ -2648,7 +2669,8 @@
template (omit) P_TMSI_TypeTV p_tmsi_type := omit,
template (omit) MobileIdentityTLV add_p_tmsi := omit,
template (omit) RoutingAreaIdentification2TLV add_rai
:= omit,
- template (omit) MSNetworkCapabilityV ms_network_cap
:= omit
+ template (omit) MSNetworkCapabilityV ms_network_cap
:= omit,
+ template (omit) OCT2 pdp_status := omit
) := {
discriminator := '0000'B, /* overwritten */
tiOrSkip := {
@@ -2668,7 +2690,7 @@
tmsiStatus := omit,
ptmsi := ts_MI_TMSI_TLV(p_tmsi),
mSNetworkCapability :=
ts_GMM_MsNetCapTLV(ms_network_cap),
- pdpContextStatus := omit, /* TODO */
+ pdpContextStatus :=
ts_PDPContextStatusTLV(pdp_status),
pC_LCSCapability := omit,
mBMS_ContextStatus := omit,
uENetworkCapability := omit,
@@ -2715,7 +2737,9 @@
template PDU_L3_SGSN_MS tr_GMM_RAU_ACCEPT(template BIT3 res := ?,
template RoutingAreaIdentificationV
ra := ?,
- template OCT4 ptmsi := *) := {
+ template OCT4 ptmsi := *,
+ template OCT2 pdp_status := *
+ ) := {
discriminator := '1000'B,
tiOrSkip := {
skipIndicator := '0000'B
@@ -2737,7 +2761,7 @@
t3302 := *,
cellNotification := *,
equivalentPLMNs := *,
- pdpContextStatus := *,
+ pdpContextStatus :=
tr_PDPContextStatusTLV(pdp_status),
networkFeatureSupport := *,
emergencyNumberList := *,
mBMS_ContextStatus := *,
diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index ca99a02..6efc446 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -2579,6 +2579,189 @@
f_cleanup();
}
+private function f_TC_attach_pdp_act_rau_pdp_ctx_status_same(charstring id)
runs on BSSGP_ConnHdlr {
+ var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip));
+ var PDU_L3_SGSN_MS l3_mt;
+ var integer ran_index := 0;
+
+ /* first perform regular attach */
+ f_TC_attach(id);
+ /* then activate PDP context */
+ f_pdp_ctx_act(apars);
+
+ f_send_l3(ts_GMM_RAU_REQ(f_mi_get_lv(), GPRS_UPD_T_RA, old_ra :=
g_pars.ra, pdp_status := '2000'O /* NSAPI 5 */), ran_index);
+
+ timer T := 2.0;
+ T.start;
+ alt {
+ [] BSSGP[ran_index].receive(tr_GMM_RAU_ACCEPT(pdp_status := '2000'O))
-> value l3_mt {
+
f_process_rau_accept(l3_mt.msgs.gprs_mm.routingAreaUpdateAccept, ran_index);
+ f_send_l3(ts_GMM_RAU_COMPL, ran_index);
+ setverdict(pass);
+ }
+ [] BSSGP[ran_index].receive(tr_GMM_RAU_ACCEPT) {
+ setverdict(fail, "Rx RAU ACCEPT with wrong PDP status");
+ mtc.stop;
+ }
+ [] BSSGP[ran_index].receive(tr_GMM_RAU_REJECT);
+ [] BSSGP[ran_index].receive(tr_LLC_XID_MT_CMD(?, ?)) {
+ /* Ignore XID Reset */
+ repeat;
+ }
+ [] as_gmm_auth(ran_index := ran_index, expect_sai := true) { repeat; };
+ [] T.timeout {
+ setverdict(fail, "Timeout rx RAU Reject");
+ mtc.stop;
+ }
+ }
+}
+
+/* Attach, RAU with PDP Ctx Status */
+testcase TC_attach_pdp_act_rau_pdp_ctx_status_same() runs on test_CT {
+ /* MS <-> SGSN: Attach Procedure
+ * MS <-> SGSN: PDP Activate
+ * MS -> SGSN: RAU Request with PDP Ctx status
+ * MS <-> SGSN: Auth...
+ * MS <- SGSN: RAU Accept with PDP Ctx status
+ * MS -> SGSN: RAU Complete
+ */
+ var BSSGP_ConnHdlr vc_conn;
+ f_init();
+ vc_conn :=
f_start_handler(refers(f_TC_attach_pdp_act_rau_pdp_ctx_status_same),
testcasename(), g_gb, 26);
+ vc_conn.done;
+ f_cleanup();
+}
+
+private function f_TC_attach_pdp_act_rau_pdp_ctx_status_ue_more(charstring id)
runs on BSSGP_ConnHdlr {
+ var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip));
+ var PDU_L3_SGSN_MS l3_mt;
+ var integer ran_index := 0;
+
+ /* first perform regular attach */
+ f_TC_attach(id);
+ /* then activate PDP context */
+ f_pdp_ctx_act(apars);
+
+ f_send_l3(ts_GMM_RAU_REQ(f_mi_get_lv(), GPRS_UPD_T_RA, old_ra :=
g_pars.ra, pdp_status := '6000'O /* NSAPI 5,6 */), ran_index);
+
+ timer T := 2.0;
+ T.start;
+ alt {
+ [] BSSGP[ran_index].receive(tr_GMM_RAU_ACCEPT(pdp_status := '2000'O))
-> value l3_mt {
+
f_process_rau_accept(l3_mt.msgs.gprs_mm.routingAreaUpdateAccept, ran_index);
+ f_send_l3(ts_GMM_RAU_COMPL, ran_index);
+ setverdict(pass);
+ }
+ [] BSSGP[ran_index].receive(tr_GMM_RAU_ACCEPT) {
+ setverdict(fail, "Rx RAU ACCEPT with wrong PDP status");
+ mtc.stop;
+ }
+ [] BSSGP[ran_index].receive(tr_SM_DEACT_PDP_REQ_MT(?, ?)) {
+ setverdict(fail, "Rx unexpected Deact PDP Req");
+ mtc.stop;
+ }
+ [] BSSGP[ran_index].receive(tr_GMM_RAU_REJECT);
+ [] BSSGP[ran_index].receive(tr_LLC_XID_MT_CMD(?, ?)) {
+ /* Ignore XID Reset */
+ repeat;
+ }
+ [] as_gmm_auth(ran_index := ran_index, expect_sai := true) { repeat; };
+ [] T.timeout {
+ setverdict(fail, "Timeout rx RAU Reject");
+ mtc.stop;
+ }
+ }
+}
+
+/* Attach, RAU with PDP Ctx Status */
+testcase TC_attach_pdp_act_rau_pdp_ctx_status_ue_more() runs on test_CT {
+ /* MS <-> SGSN: Attach Procedure
+ * MS <-> SGSN: PDP Activate
+ * MS -> SGSN: RAU Request with PDP Ctx status (more PDP Ctx than
expected)
+ * MS <-> SGSN: Auth...
+ * MS <- SGSN: RAU Accept with PDP Ctx status
+ * MS -> SGSN: RAU Complete
+ */
+ var BSSGP_ConnHdlr vc_conn;
+ f_init();
+ vc_conn :=
f_start_handler(refers(f_TC_attach_pdp_act_rau_pdp_ctx_status_ue_more),
testcasename(), g_gb, 26);
+ vc_conn.done;
+ f_cleanup();
+}
+
+private function f_TC_attach_pdp_act_rau_pdp_ctx_status_ue_less(charstring id)
runs on BSSGP_ConnHdlr {
+ var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip));
+ var PDU_L3_SGSN_MS l3_mt;
+ var integer ran_index := 0;
+
+ /* first perform regular attach */
+ f_TC_attach(id);
+ /* then activate PDP context */
+ f_pdp_ctx_act(apars);
+
+ f_send_l3(ts_GMM_RAU_REQ(f_mi_get_lv(), GPRS_UPD_T_RA, old_ra :=
g_pars.ra, pdp_status := '0000'O), ran_index);
+
+ timer T := 2.0;
+ T.start;
+ alt {
+ [] as_ggsn_gtp_ctx_del_req(apars) {}
+ [] as_gmm_auth(ran_index := ran_index, expect_sai := true) { repeat; };
+ [] BSSGP[ran_index].receive(tr_LLC_XID_MT_CMD(?, ?)) {
+ /* Ignore XID Reset */
+ repeat;
+ }
+ [] T.timeout {
+ setverdict(fail, "Timeout rx RAU Reject");
+ mtc.stop;
+ }
+ }
+
+ T.start;
+ alt {
+ [] BSSGP[ran_index].receive(tr_GMM_RAU_ACCEPT(pdp_status := '0000'O))
-> value l3_mt {
+
f_process_rau_accept(l3_mt.msgs.gprs_mm.routingAreaUpdateAccept, ran_index);
+ f_send_l3(ts_GMM_RAU_COMPL, ran_index);
+ setverdict(pass);
+ }
+ [] BSSGP[ran_index].receive(tr_GMM_RAU_ACCEPT) {
+ setverdict(fail, "Rx RAU ACCEPT with wrong PDP status");
+ mtc.stop;
+ }
+ [] BSSGP[ran_index].receive(tr_SM_DEACT_PDP_REQ_MT(?, ?)) {
+ setverdict(fail, "Rx unexpected Deact PDP Req");
+ mtc.stop;
+ }
+ [] BSSGP[ran_index].receive(tr_GMM_RAU_REJECT);
+ [] BSSGP[ran_index].receive(tr_LLC_XID_MT_CMD(?, ?)) {
+ /* Ignore XID Reset */
+ repeat;
+ }
+ [] as_gmm_auth(ran_index := ran_index, expect_sai := true) { repeat; };
+ [] T.timeout {
+ setverdict(fail, "Timeout rx RAU Reject");
+ mtc.stop;
+ }
+ }
+}
+
+/* Attach, RAU with PDP Ctx Status */
+testcase TC_attach_pdp_act_rau_pdp_ctx_status_ue_less() runs on test_CT {
+ /* MS <-> SGSN: Attach Procedure
+ * MS <-> SGSN: PDP Activate
+ * MS -> SGSN: RAU Request with PDP Ctx status (less PDP Ctx than
expected)
+ * MS <-> SGSN: Auth...
+ * SGSN -> GGSN: close PDP without notifing the MS
+ * MS <- SGSN: RAU Accept with PDP Ctx status
+ * MS -> SGSN: RAU Complete
+ */
+ var BSSGP_ConnHdlr vc_conn;
+ f_init();
+ vc_conn :=
f_start_handler(refers(f_TC_attach_pdp_act_rau_pdp_ctx_status_ue_less),
testcasename(), g_gb, 26);
+ vc_conn.done;
+ f_cleanup();
+}
+
+
private function f_TC_attach_req_id_req_ra_update(charstring id) runs on
BSSGP_ConnHdlr {
var RoutingAreaIdentificationV old_ra := f_random_RAI();
var RoutingAreaIdentificationV new_ra := f_random_RAI();
@@ -3475,6 +3658,9 @@
execute( TC_attach_pdp_act_deact_gtp_retrans_resp() );
execute( TC_attach_pdp_act_user_error_ind_ggsn() );
execute( TC_attach_pdp_act_gmm_detach() );
+ execute( TC_attach_pdp_act_rau_pdp_ctx_status_same() );
+ execute( TC_attach_pdp_act_rau_pdp_ctx_status_ue_more() );
+ execute( TC_attach_pdp_act_rau_pdp_ctx_status_ue_less() );
execute( TC_attach_gmm_attach_req_while_gmm_attach() );
execute( TC_attach_gmm_attach_req_while_gmm_attach_retransmit() );
execute( TC_attach_gmm_attach_req_while_gmm_attach_changed() );
--
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Gerrit-MessageType: newchange
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I5a29e667f53cc2834fbddd2c5dc901d3e6ae72c7
Gerrit-Change-Number: 39262
Gerrit-PatchSet: 1
Gerrit-Owner: lynxis lazus <[email protected]>
