[M] Change in osmo-ttcn3-hacks[master]: 5gc: Initial ConnHdlr support

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/40376?usp=email ) Change subject: 5gc: Initial ConnHdlr support ...................................................................... 5gc: Initial ConnHdlr support With this we can already send an InitialUEMessage(Registration Request) to the 5GC and see if everything is configured properly there. Change-Id: I094b6775198dfcbf4041c3af423baa6f5072b97d --- M 5gc/C5G_Tests.ttcn M 5gc/expected-results.xml M library/NGAP_Functions.ttcn 3 files changed, 54 insertions(+), 40 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/76/40376/1 diff --git a/5gc/C5G_Tests.ttcn b/5gc/C5G_Tests.ttcn index 70bb0d9..823d216 100644 --- a/5gc/C5G_Tests.ttcn +++ b/5gc/C5G_Tests.ttcn @@ -56,18 +56,7 @@ /* parameters of emulated UE */ type record UeParams { hexstring imsi, - charstring ue_ip, - //NAS_EPS_Types.GUTI guti optional, - octetstring kasme optional, - - /* TEI (Control) local side, S11 (SGW) */ - OCT4 s11_teic_local, - /* TEI (Control) remote side, S11 (SGW) */ - OCT4 s11_teic_remote optional, - /* TEI (Control) local side, S5c (PGW) */ - OCT4 s5c_teic_local, - /* TEI (Control) remote side, S5c (PGW) */ - OCT4 s5c_teic_remote optional//, + charstring ue_ip } type component MTC_CT { @@ -80,11 +69,9 @@ var UeParams g_ue_pars[NUM_UE]; } -type component ConnHdlr /* extends GTP2_ConnHdlr */ { +type component ConnHdlr extends NGAP_ConnHdlr { var ConnHdlrPars g_pars; timer g_Tguard := 30.0; - - //var Gtp1cPeer g_gn_iface_peer := { connId := 1, remName := mp_gn_remote_ip, remPort := mp_gn_remote_port }; } type record ConnHdlrPars { @@ -141,25 +128,11 @@ NGAP_UNIT[num].receive(NGAPEM_Event:{up_down:=NGAPEM_EVENT_UP}); } friend function f_init_one_ue(inout UeParams uep, integer imsi_suffix) { -/* + uep := { imsi := f_gen_imsi(imsi_suffix), - ue_ip := "192.168.123.50", - guti := omit, - kasme := omit, - s11_teic_local := '00000000'O, - s11_teic_remote := omit, - s5c_teic_local := '00000000'O, - s5c_teic_remote := omit, - bearer := { - ebi := omit, - s11_teid_local := omit, - s11_teid_remote := omit, - s5c_teid_local := omit, - s5c_teid_remote := omit - } + ue_ip := "192.168.123.50" } -*/ } friend function f_init_ngap(integer imsi_suffix) runs on MTC_CT { var integer i; @@ -193,8 +166,8 @@ vc_conn := ConnHdlr.create(id); /* NGAP part */ -// connect(vc_conn:NGAP, vc_NGAP[ngap_idx]:NGAP_CLIENT); -// connect(vc_conn:NGAP_PROC, vc_NGAP[ngap_idx]:NGAP_PROC); + connect(vc_conn:NGAP, vc_NGAP[ngap_idx]:NGAP_CLIENT); + connect(vc_conn:NGAP_PROC, vc_NGAP[ngap_idx]:NGAP_PROC); /* We cannot use vc_conn.start(f_init_handler(fn, id, pars)); as we cannot have * a stand-alone 'derefers()' call, see https://www.eclipse.org/forums/index.php/t/1091364/ */ @@ -218,9 +191,13 @@ activate(as_Tguard()); } +private template (value) NGAP_IEs.TAI ts_ngran_NGAP_TAI(NGRANParams ngran_pars) := { + pLMNIdentity := ngran_pars.global_ngran_id.globalGNB_ID.pLMNIdentity, + tAC := ngran_pars.supported_ta_list[0].tAC, + iE_Extensions := omit +} - -friend function f_ngap_setup(integer idx := 0, template NGAP_IEs.Cause cause := omit) runs on MTC_CT { +friend function f_ngap_setup(integer idx := 0, template (omit) NGAP_IEs.Cause cause := omit) runs on MTC_CT { var template (present) NGAP_IEs.Cause exp_cause := ?; var boolean exp_fail := false; timer T := 5.0; @@ -259,6 +236,30 @@ } } } + +private function f_register() runs on ConnHdlr { + var template (value) UserLocationInformation p_ueLocInf; + var template (value) NGAP_PDU tx_pdu; + + p_ueLocInf := m_uPTransportLayerInformation_userLocationInformationNR( + m_userLocationInformationNR( + g_pars.ngran_pars[g_pars.c5g_idx].cell_identity.nR_CGI, + ts_ngran_NGAP_TAI(g_pars.ngran_pars[g_pars.c5g_idx]) + + )); + + + tx_pdu := m_ngap_initMsg(m_n2_initialUeMessage(g_pars.c5g_idx, + '7e004179000d0109f1500000000079890040642e02f070'O, /* Registration request */ + p_ueLocInf, + mo_Signalling)); + + NGAP.send(tx_pdu); + f_sleep(5.0); + + /* TODO: handle Auth, SecurityModeCommand, InitialContextSetup, PDUSessionresource, */ +} + /* NG Setup procedure to 5GC using a Global gNB ID containing unknown/foreign PLMN. * Related: https://github.com/open5gs/open5gs/issues/3544 */ testcase TC_ng_setup_unknown_global_gnb_id_plmn() runs on MTC_CT { @@ -280,11 +281,25 @@ f_ngap_setup(0); } +private function f_TC_register(ConnHdlrPars pars) runs on ConnHdlr { + f_init_handler(pars); + f_register(); +} +testcase TC_ng_register() runs on MTC_CT { + f_init_ngap(4); + f_ngap_setup(0); + + var ConnHdlrPars pars := f_init_pars(ue_idx := 0); + var ConnHdlr vc_conn; + vc_conn := f_start_handler_with_pars(refers(f_TC_register), pars); + vc_conn.done; +} control { execute( TC_ng_setup() ); execute( TC_ng_setup_unknown_global_gnb_id_plmn() ); execute( TC_ng_setup_wrong_tac() ); + execute( TC_ng_register() ); } diff --git a/5gc/expected-results.xml b/5gc/expected-results.xml index 3652aab..2120ba4 100644 --- a/5gc/expected-results.xml +++ b/5gc/expected-results.xml @@ -3,4 +3,5 @@ <testcase classname='C5G_Tests' name='TC_ng_setup_unknown_global_gnb_id_plmn' time='MASKED'/> <testcase classname='C5G_Tests' name='TC_ng_setup_wrong_tac' time='MASKED'/> <testcase classname='C5G_Tests' name='TC_ng_setup' time='MASKED'/> + <testcase classname='C5G_Tests' name='TC_ng_register' time='MASKED'/> </testsuite> diff --git a/library/NGAP_Functions.ttcn b/library/NGAP_Functions.ttcn index a35ccf3..7ab2f5a 100644 --- a/library/NGAP_Functions.ttcn +++ b/library/NGAP_Functions.ttcn @@ -57,11 +57,9 @@ { if (ischosen(ngap.initiatingMessage)) { var InitiatingMessage im := ngap.initiatingMessage; - select (ngap) { - case (?) { - return omit; - /* TODO */ - /* return im.value_.InitialUEMessage.protocolIEs[0].value_.RAN_UE_NGAP_ID; */ + select (im) { + case (mw_n2_initialUeMessage) { + return im.value_.InitialUEMessage.protocolIEs[0].value_.RAN_UE_NGAP_ID; } /* TODO */ } -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/40376?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newchange Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: I094b6775198dfcbf4041c3af423baa6f5072b97d Gerrit-Change-Number: 40376 Gerrit-PatchSet: 1 Gerrit-Owner: pespin &lt;pespin(a)sysmocom.de&gt;