ttcn3
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osmo-ttcn3-hacks
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ggsn: Submit RATType in CreatePDPContextReq 

According to TS 29.060, sec 7.3.1 Create PDP Context Request:
"The SGSN shall include the RAT Type IE during Primary PDP Context
Activation procedure."

Change-Id: Ibc57798e50ccd08ef6126f75f7c8134e56d2778a
This commit is contained in:
Pau Espin 2022-02-01 20:46:29 +01:00
parent 36ab797d46
commit 38aeffb9be
2 changed files with 26 additions and 8 deletions
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10
ggsn_tests/GGSN_Tests.ttcn
View File

@ -83,7 +83,8 @@ module GGSN_Tests {
/* TEI (Data) remote side */
OCT4 teid_remote,
/* TEI (Control) remote side */
OCT4 teic_remote
OCT4 teic_remote,
OCT1 ratType optional
}
type component GT_CT {
@ -236,7 +237,7 @@ module GGSN_Tests {
/* define an (internal) representation of a PDP context */
template PdpContext t_DefinePDP(hexstring imsi, octetstring msisdn, octetstring apn,
EndUserAddress eua) := {
EndUserAddress eua, OCT1 ratType := '02'O /* GERAN */) := {
imsi := imsi,
msisdn := msisdn,
nsapi := f_rnd_nsapi(),
@ -244,7 +245,8 @@ module GGSN_Tests {
pco_req := omit,
eua := eua,
teid := f_rnd_tei(),
teic := f_rnd_tei()
teic := f_rnd_tei(),
ratType := ratType
}
/* send GTP-C for a given context and increment sequence number */
@ -316,7 +318,7 @@ module GGSN_Tests {
log("sending CreatePDP");
f_send_gtpc(ts_GTPC_CreatePDP(g_peer_c, g_c_seq_nr, ctx.imsi, g_restart_ctr,
ctx.teid, ctx.teic, ctx.nsapi, ctx.eua, ctx.apn,
g_sgsn_ip_c, g_sgsn_ip_u, ctx.msisdn, ctx.pco_req));
g_sgsn_ip_c, g_sgsn_ip_u, ctx.msisdn, ctx.pco_req, ctx.ratType));
T_default.start;
d := activate(pingpong());
alt {

24
library/GTP_Templates.ttcn
View File

@ -287,10 +287,25 @@ module GTP_Templates {
padding := 'F'H
}
function f_ts_RATType(template (omit) OCT1 ratType := omit) return template (omit) RATType {
var template (omit) RATType rt;
if (istemplatekind(ratType, "omit")) {
rt := omit;
} else {
rt := {
type_gtpc := '97'O,
lengthf := 1,
ratTypeValue := ratType
};
}
return rt;
}
template GTPC_PDUs ts_CreatePdpPDU(hexstring imsi, OCT1 restart_ctr, OCT4 teid_data, OCT4 teid_ctrl,
BIT4 nsapi, EndUserAddress eua, octetstring apn,
octetstring sgsn_ip_sign, octetstring sgsn_ip_data,
octetstring msisdn, template ProtConfigOptions pco := omit) := {
octetstring msisdn, template ProtConfigOptions pco := omit,
template (omit) OCT1 ratType := omit) := {
createPDPContextRequest := {
imsi := ts_Imsi(imsi),
rai := omit,
@ -329,7 +344,7 @@ module GTP_Templates {
omcId := omit,
commonFlags := omit,
aPN_Restriction := omit,
ratType := omit,
ratType := f_ts_RATType(ratType),
userLocationInformation := omit,
mS_TimeZone := omit,
imeisv := omit,
@ -351,12 +366,13 @@ module GTP_Templates {
OCT4 teid_ctrl, BIT4 nsapi, EndUserAddress eua,
octetstring apn, octetstring sgsn_ip_sign,
octetstring sgsn_ip_data, octetstring msisdn,
template ProtConfigOptions pco := omit) := {
template ProtConfigOptions pco := omit,
template (omit) OCT1 ratType := omit) := {
peer := peer,
gtpc := ts_GTP1C_PDU(createPDPContextRequest, '00000000'O,
valueof(ts_CreatePdpPDU(imsi, restart_ctr, teid_data, teid_ctrl,
nsapi, eua, apn, sgsn_ip_sign,
sgsn_ip_data, msisdn, pco)), seq)
sgsn_ip_data, msisdn, pco, ratType)), seq)
}