31 Aug
2023
31 Aug
'23
6:05 p.m.
dexter has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/34266 )
Change subject: MME_Tests: Add S11/GTPv2 interface
......................................................................
MME_Tests: Add S11/GTPv2 interface
The S11 interface is used by the MME to talk to the SGW-C. At the moment
we do not simulate the S11 interface in our testcases. This is in particular
a problem for TC_s1ap_attach, which needs to answer the Create Session
Request, comming from the MME in order to continue.
As a first step, lets add evrything that is required to run an S11
interface in the testsuite.
Change-Id: I545dd6cef3cef7283f2e04c2406a2703c2fdd01a
Related: OS#5760
---
M mme/MME_Tests.ttcn
M mme/gen_links.sh
M mme/regen_makefile.sh
3 files changed, 67 insertions(+), 5 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/66/34266/1
diff --git a/mme/MME_Tests.ttcn b/mme/MME_Tests.ttcn
index cc75377..7a709fd 100644
--- a/mme/MME_Tests.ttcn
+++ b/mme/MME_Tests.ttcn
@@ -44,6 +44,10 @@
import from Osmocom_Types all;
import from Osmocom_Gb_Types all;
+import from GTPv2_Types all;
+import from GTPv2_Templates all;
+import from GTPv2_Emulation all;
+
friend module MME_Tests_SGsAP;
/* (maximum) number of emulated eNBs */
@@ -84,6 +88,10 @@
/* Gn interface (GTPv1C) of emulated SGSN (Rel. 7) */
var GTP_Emulation_CT vc_GTP;
+ /* S11 interface (GTPv2C) of emulated SGW-C */
+ var GTPv2_Emulation_CT vc_GTP2;
+ port GTP2EM_PT TEID0;
+
var UeParams g_ue_pars[NUM_UE];
}
@@ -116,7 +124,7 @@
return substr(encoded, 11, global_enb_id_len);
}
-type component ConnHdlr extends S1AP_ConnHdlr, SGsAP_ConnHdlr, DIAMETER_ConnHdlr,
GTP_ConnHdlr {
+type component ConnHdlr extends S1AP_ConnHdlr, SGsAP_ConnHdlr, DIAMETER_ConnHdlr,
GTP_ConnHdlr, GTP2_ConnHdlr {
var ConnHdlrPars g_pars;
timer g_Tguard := 30.0;
@@ -153,6 +161,12 @@
charstring mp_gn_local_ip := "127.0.0.22";
integer mp_gn_local_port := 2123;
charstring mp_gn_remote_ip := "127.0.0.2";
+
+ /* S11 interface (GTPv2C, interface between MME and SGW) */
+ charstring mp_s11_local_ip := "127.0.0.3";
+ integer mp_s11_local_port := 2123;
+ charstring mp_s11_remote_ip := "127.0.0.2";
+ integer mp_s11_remote_port := 2123;
}
/* send incoming unit data messages (like reset) to global SGsAP_UNIT port */
@@ -290,7 +304,25 @@
vc_GTP.start(GTP_Emulation.main(gtp_cfg));
}
-friend template (value) TAI ts_enb_S1AP_TAI(EnbParams enb) := {
+friend function f_init_gtpv2_s11(charstring id) runs on MTC_CT {
+ id := id & "-GTPV2";
+
+ var Gtp2EmulationCfg cfg := {
+ gtpc_bind_ip := mp_s11_local_ip,
+ gtpc_bind_port := mp_s11_local_port,
+ gtpc_remote_ip := mp_s11_remote_ip,
+ gtpc_remote_port := mp_s11_remote_port,
+ sgw_role := true,
+ use_gtpu_daemon := false
+ };
+
+ vc_GTP2 := GTPv2_Emulation_CT.create(id);
+ map(vc_GTP2:GTP2C, system:GTP2C);
+ connect(vc_GTP2:TEID0, self:TEID0);
+ vc_GTP2.start(GTPv2_Emulation.main(cfg));
+}
+
+friend template (value) S1AP_IEs.TAI ts_enb_S1AP_TAI(EnbParams enb) := {
pLMNidentity := enb.global_enb_id.pLMNidentity,
tAC := enb.supported_tas[0].tAC,
iE_Extensions := omit
@@ -371,8 +403,8 @@
-friend function f_s1ap_setup(integer idx := 0, template Cause cause := omit) runs on
MTC_CT {
- var template (present) Cause exp_cause;
+friend function f_s1ap_setup(integer idx := 0, template S1AP_IEs.Cause cause := omit)
runs on MTC_CT {
+ var template (present) S1AP_IEs.Cause exp_cause;
var boolean exp_fail := false;
timer T := 5.0;
if (not istemplatekind(cause, "omit")) {
@@ -911,7 +943,7 @@
f_init_s1ap(id, 3);
f_s1ap_setup(0);
- var template (value) Cause reset_cause := {misc := om_intervention};
+ var template (value) S1AP_IEs.Cause reset_cause := {misc := om_intervention};
var template (value) ResetType reset_type := {s1_Interface := reset_all};
timer T := 5.0;
diff --git a/mme/gen_links.sh b/mme/gen_links.sh
index e0a038b..f10a161 100755
--- a/mme/gen_links.sh
+++ b/mme/gen_links.sh
@@ -51,6 +51,14 @@
FILES="BSSGP_EncDec.cc BSSGP_Types.ttcn"
gen_links $DIR $FILES
+DIR=$BASEDIR/titan.ProtocolModules.GTPv2_v13.7.0/src
+FILES="GTPv2_Types.ttcn"
+gen_links $DIR $FILES
+
+DIR=$BASEDIR/osmo-uecups/ttcn3
+FILES="UECUPS_CodecPort.ttcn UECUPS_CodecPort_CtrlFunct.ttcn
UECUPS_CodecPort_CtrlFunctDef.cc UECUPS_Types.ttcn "
+gen_links $DIR $FILES
+
DIR=$BASEDIR/titan.ProtocolModules.DIAMETER_ProtocolModule_Generator/src
FILES="DIAMETER_EncDec.cc"
gen_links $DIR $FILES
@@ -69,6 +77,8 @@
FILES+="NAS_Templates.ttcn GTPv2_PrivateExtensions.ttcn GTPv2_Templates.ttcn "
FILES+="DIAMETER_Types.ttcn DIAMETER_CodecPort.ttcn
DIAMETER_CodecPort_CtrlFunct.ttcn DIAMETER_CodecPort_CtrlFunctDef.cc
DIAMETER_Emulation.ttcn DIAMETER_Templates.ttcn "
FILES+="GTP_CodecPort.ttcn GTP_CodecPort_CtrlFunct.ttcn
GTP_CodecPort_CtrlFunctDef.cc GTP_Emulation.ttcn GTP_Templates.ttcn Osmocom_Gb_Types.ttcn
"
+FILES+="GTPv2_PrivateExtensions.ttcn GTPv2_Templates.ttcn "
+FILES+="GTPv2_CodecPort.ttcn GTPv2_CodecPort_CtrlFunctDef.cc
GTPv2_CodecPort_CtrlFunct.ttcn GTPv2_Emulation.ttcn "
FILES+="BSSGP_Emulation.ttcnpp Osmocom_Gb_Types.ttcn "
gen_links $DIR $FILES
diff --git a/mme/regen_makefile.sh b/mme/regen_makefile.sh
index df5151e..e153d35 100755
--- a/mme/regen_makefile.sh
+++ b/mme/regen_makefile.sh
@@ -12,6 +12,7 @@
GTPC_EncDec.cc
GTPU_EncDec.cc
GTP_CodecPort_CtrlFunctDef.cc
+ GTPv2_CodecPort_CtrlFunctDef.cc
IPL4asp_PT.cc
IPL4asp_discovery.cc
LTE_CryptoFunctionDefs.cc
@@ -23,6 +24,7 @@
TCCEncoding.cc
TCCInterface.cc
TELNETasp_PT.cc
+ UECUPS_CodecPort_CtrlFunctDef.cc
"
--
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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: I545dd6cef3cef7283f2e04c2406a2703c2fdd01a
Gerrit-Change-Number: 34266
Gerrit-PatchSet: 1
Gerrit-Owner: dexter <pmaier(a)sysmocom.de>
Gerrit-MessageType: newchange