ttcn3
/
osmo-ttcn3-hacks
mirror of https://gerrit.osmocom.org/osmo-ttcn3-hacks
10
0
Fork 1
Code Issues Releases Wiki Activity

sgsn: Add TC_attach_pdp_act_user_deact_mo 

Change-Id: I43cb7728658cae6590eb1bd31c7c285b942a265e
This commit is contained in:
Harald Welte 2018-02-18 22:04:55 +01:00
parent 5b5ca1b1e7
commit 6f20316985
3 changed files with 118 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
library/GTP_Templates.ttcn
View File

@ -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 */

55
library/L3_Templates.ttcn
View File

@ -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 {

45
sgsn/SGSN_Tests.ttcn
View File

@ -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() );
}