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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lynxis lazus