sgsn: Add new TC_attach_rau: Attach followed by RA Update

Change-Id: I8f71bf83f4e6504f1cfbdc55a57e3ed62b3e5f25
This commit is contained in:
Harald Welte 2018-02-17 10:16:14 +01:00
parent f70997db90
commit 91636de6d5
2 changed files with 90 additions and 0 deletions

View File

@ -1514,6 +1514,45 @@ template PDU_L3_SGSN_MS tr_GMM_RAU_REJECT(template OCT1 cause := ?) := {
}
}
template PDU_L3_SGSN_MS tr_GMM_RAU_ACCEPT(template BIT3 res := ?,
template RoutingAreaIdentificationV ra := ?,
template OCT4 ptmsi := *) := {
discriminator := '1000'B,
tiOrSkip := {
skipIndicator := '0000'B
},
msgs := {
gprs_mm := {
routingAreaUpdateAccept := {
messageType := '00001001'B,
forceToStandby := ?,
updateResult := { res, ? },
raUpdateTimer := ?,
routingAreaId := ra,
ptmsiSignature := *,
allocatedPTMSI := tr_MI_TMSI_TLV(ptmsi),
msIdentity := *,
receiveNPDUNumbers := *,
readyTimer := *,
gmmCause := *,
t3302 := *,
cellNotification := *,
equivalentPLMNs := *,
pdpContextStatus := *,
networkFeatureSupport := *,
emergencyNumberList := *,
mBMS_ContextStatus := *,
requestedMSInformation := *,
t3319 := *,
t3323 := *,
t3312_ExtendedValue := *,
additionalNetworkFeatureSupport := *,
t3324 := *,
extendedDRXParameters := *
}
}
}
}
template (value) PDU_L3_MS_SGSN ts_GMM_RAU_COMPL := {
discriminator := '0000'B, /* overwritten */

View File

@ -311,6 +311,30 @@ function f_process_attach_accept(PDU_GMM_AttachAccept aa) runs on BSSGP_ConnHdlr
/* T3302, T3319, T3323, T3312_ext, T3324 */
}
function f_process_rau_accept(PDU_GMM_RoutingAreaUpdateAccept ra) runs on BSSGP_ConnHdlr {
/* mandatory IE */
g_pars.ra := ra.routingAreaId;
if (ispresent(ra.allocatedPTMSI)) {
if (not g_pars.net.expect_ptmsi) {
setverdict(fail, "unexpected P-TMSI allocation");
self.stop;
}
f_upd_ptmsi_and_tlli(ra.allocatedPTMSI.mobileIdentityLV.mobileIdentityV.oddEvenInd_identity.tmsi_ptmsi.octets);
}
if (ispresent(ra.msIdentity)) {
setverdict(fail, "unexpected TMSI allocation in non-combined attach");
self.stop;
}
/* P-TMSI.sig */
if (ispresent(ra.ptmsiSignature)) {
g_pars.p_tmsi_sig := ra.ptmsiSignature.valueField;
}
/* updateTimer */
// aa.readyTimer
/* T3302, T3319, T3323, T3312_ext, T3324 */
}
function f_random_RAI(HEX0_3n mcc := '262'H, HEX0_3n mnc := '42'H) return RoutingAreaIdentificationV {
return f_RAI(mcc, mnc, f_rnd_octstring(2), f_rnd_octstring(1));
}
@ -584,6 +608,32 @@ testcase TC_rau_unknown() runs on test_CT {
vc_conn.done;
}
private function f_TC_attach_rau(charstring id) runs on BSSGP_ConnHdlr {
var BssgpDecoded bd;
/* first perform regular attach */
f_TC_attach(id);
/* then send RAU */
BSSGP.send(ts_GMM_RAU_REQ(f_mi_get_lv(), GPRS_UPD_T_RA, g_pars.ra, false, omit, omit));
alt {
[] BSSGP.receive(tr_BD_L3_MT(tr_GMM_RAU_ACCEPT)) -> value bd {
f_process_rau_accept(bd.l3_mt.msgs.gprs_mm.routingAreaUpdateAccept);
setverdict(pass);
}
[] BSSGP.receive(tr_BD_L3_MT(tr_GMM_RAU_REJECT)) {
setverdict(fail, "Unexpected RAU Reject");
}
[] BSSGP.receive { repeat; }
}
}
testcase TC_attach_rau() runs on test_CT {
var BSSGP_ConnHdlr vc_conn;
f_init();
f_sleep(1.0);
vc_conn := f_start_handler(refers(f_TC_attach_rau), testcasename(), g_gb[0], 12);
vc_conn.done;
}
@ -598,6 +648,7 @@ control {
execute( TC_attach_accept_all() );
execute( TC_attach_closed() );
execute( TC_rau_unknown() );
execute( TC_attach_rau() );
}