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-rw-r--r--library/GTP_Templates.ttcn21
-rw-r--r--library/L3_Templates.ttcn55
-rw-r--r--sgsn/SGSN_Tests.ttcn45
3 files changed, 118 insertions, 3 deletions
diff --git a/library/GTP_Templates.ttcn b/library/GTP_Templates.ttcn
index f071d04..ef7e97b 100644
--- a/library/GTP_Templates.ttcn
+++ b/library/GTP_Templates.ttcn
@@ -495,6 +495,27 @@ module GTP_Templates {
valueof(ts_DeletePdpPDU(nsapi, teardown_ind)), seq)
}
+ template GTPC_PDUs ts_DeletePdpRespPDU(OCT1 cause,
+ template ProtConfigOptions pco := omit) := {
+ deletePDPContextResponse := {
+ cause := { '00'O, cause },
+ protConfigOptions := pco,
+ userLocationInformation := omit,
+ mS_TimeZone := omit,
+ uLI_Timestamp := omit,
+ private_extension_gtpc := omit
+ }
+ }
+
+ template Gtp1cUnitdata ts_GTPC_DeletePdpResp(GtpPeer peer, uint16_t seq, OCT4 teid,
+ OCT1 cause,
+ template ProtConfigOptions pco := omit) := {
+ peer := peer,
+ gtpc := ts_GTP1C_PDU(deletePDPContextResponse, teid,
+ valueof(ts_DeletePdpRespPDU(cause, pco)), seq)
+ }
+
+
/* GTP-U */
diff --git a/library/L3_Templates.ttcn b/library/L3_Templates.ttcn
index ffabff4..e1947b2 100644
--- a/library/L3_Templates.ttcn
+++ b/library/L3_Templates.ttcn
@@ -1904,6 +1904,61 @@ template PDU_L3_SGSN_MS tr_SM_ACT_PDP_ACCEPT(template BIT3 tid := ?, template BI
}
}
+template (value) PDU_L3_MS_SGSN ts_SM_DEACT_PDP_REQ_MO(BIT3 tid, OCT1 cause, boolean tdown := false,
+ template (omit) ProtocolConfigOptionsV pco := omit
+ ) := {
+ discriminator := '0000'B, /* overwritten */
+ tiOrSkip := {
+ transactionId := {
+ tio := tid,
+ tiFlag := '0'B,
+ tIExtension := omit
+ }
+ },
+ msgs := {
+ gprs_sm := {
+ deactivatePDPContextRequest := {
+ messageType := '00000000'B, /* overwritten */
+ smCause := cause,
+ tearDownIndicator := {
+ tearDownIndicatorV := {
+ tdi_flag := bool2bit(tdown),
+ spare := '000'B
+ },
+ elementIdentifier := '1001'B
+ },
+ protocolConfigOpts := ts_PcoTLV(pco),
+ mBMSprotocolConfigOptions := omit,
+ t3396 := omit,
+ wLANOffloadIndication := omit,
+ nBIFOM_Container := omit
+ }
+ }
+ }
+}
+
+template PDU_L3_SGSN_MS tr_SM_DEACT_PDP_ACCEPT_MT(template BIT3 tid := ?)
+:= {
+ discriminator := '1010'B,
+ tiOrSkip := {
+ transactionId := {
+ tio := tid,
+ tiFlag := '1'B,
+ tIExtension := omit
+ }
+ },
+ msgs := {
+ gprs_sm := {
+ deactivatePDPContextAccept := {
+ messageType := '01000111'B,
+ protocolConfigOpts := *,
+ mBMSprotocolConfigOptions := *,
+ nBIFOM_Container := *
+ }
+ }
+ }
+}
+
private function f_concat_pad(integer tot_len, hexstring prefix, integer suffix) return hexstring {
diff --git a/sgsn/SGSN_Tests.ttcn b/sgsn/SGSN_Tests.ttcn
index 4369078..06ed56b 100644
--- a/sgsn/SGSN_Tests.ttcn
+++ b/sgsn/SGSN_Tests.ttcn
@@ -257,14 +257,12 @@ runs on BSSGP_ConnHdlr {
* ATTACH / RAU
** with / without authentication
** with / without P-TMSI allocation
- ** reject from HLR on SAI
- ** reject from HLR on UL
* re-transmissions of LLC frames
* PDP Context activation
** with different GGSN config in SGSN VTY
** with different PDP context type (v4/v6/v46)
** timeout from GGSN
- ** reject from GGSN
+ ** multiple / secondary PDP context
*/
testcase TC_wait_ns_up() runs on test_CT {
@@ -826,6 +824,25 @@ function f_pdp_ctx_act(inout PdpActPars apars) runs on BSSGP_ConnHdlr {
}
}
+function f_pdp_ctx_deact_mo(inout PdpActPars apars, OCT1 cause) runs on BSSGP_ConnHdlr {
+ var boolean exp_rej := ispresent(apars.exp_rej_cause);
+ var Gtp1cUnitdata g_ud;
+
+ BSSGP.send(ts_SM_DEACT_PDP_REQ_MO(apars.tid, cause, false, omit));
+ GTP.receive(tr_GTPC_MsgType(?, deletePDPContextRequest, apars.ggsn_tei_c)) -> value g_ud {
+ var integer seq_nr := oct2int(g_ud.gtpc.opt_part.sequenceNumber);
+ BSSGP.clear;
+ GTP.send(ts_GTPC_DeletePdpResp(g_ud.peer, seq_nr, apars.sgsn_tei_c, '7F'O));
+ }
+ alt {
+ [] BSSGP.receive(tr_BD_L3_MT(tr_SM_DEACT_PDP_ACCEPT_MT(apars.tid))) {
+ setverdict(pass);
+ }
+ [] as_xid(apars);
+ }
+}
+
+
/* Table 10.5.156/3GPP TS 24.008 */
template (value) QoSV t_QosDefault := {
reliabilityClass := '011'B, /* unacknowledged GTP+LLC, acknowledged RLC */
@@ -1057,6 +1074,27 @@ testcase TC_attach_pdp_act_ggsn_reject() runs on test_CT {
vc_conn.done;
}
+/* ATTACH + PDP CTX ACT + user plane traffic + PDP CTX DEACT in MO direction */
+private function f_TC_attach_pdp_act_user_deact_mo(charstring id) runs on BSSGP_ConnHdlr {
+ var PdpActPars apars := valueof(t_PdpActPars(mp_ggsn_ip));
+
+ /* first perform regular attach */
+ f_TC_attach(id);
+ /* then activate PDP context */
+ f_pdp_ctx_act(apars);
+ /* then transceive a downlink PDU */
+ f_gtpu_xceive_mt(apars, f_rnd_octstring(100));
+ f_gtpu_xceive_mo(apars, f_rnd_octstring(200));
+
+ f_pdp_ctx_deact_mo(apars, '00'O);
+}
+testcase TC_attach_pdp_act_user_deact_mo() runs on test_CT {
+ var BSSGP_ConnHdlr vc_conn;
+ f_init();
+ vc_conn := f_start_handler(refers(f_TC_attach_pdp_act_user_deact_mo), testcasename(), g_gb[0], 21);
+ vc_conn.done;
+}
+
control {
execute( TC_attach() );
@@ -1078,6 +1116,7 @@ control {
execute( TC_pdp_act_unattached() );
execute( TC_attach_pdp_act_user() );
execute( TC_attach_pdp_act_ggsn_reject() );
+ execute( TC_attach_pdp_act_user_deact_mo() );
}