pespin has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/34883?usp=email )

Change subject: epdg: Include BearerContext in CreateSessionResponse ......................................................................

epdg: Include BearerContext in CreateSessionResponse

Change-Id: I89e364a5be68105ae8811e8bc917f32511f9e6ef --- M epdg/EPDG_Tests.ttcn M library/GTPv2_Templates.ttcn 2 files changed, 49 insertions(+), 5 deletions(-)

Approvals: Jenkins Builder: Verified pespin: Looks good to me, approved osmith: Looks good to me, but someone else must approve laforge: Looks good to me, but someone else must approve

diff --git a/epdg/EPDG_Tests.ttcn b/epdg/EPDG_Tests.ttcn index 580d4d4..e7c8633 100644 --- a/epdg/EPDG_Tests.ttcn +++ b/epdg/EPDG_Tests.ttcn @@ -393,9 +393,12 @@ var PDU_GTPCv2 rx_msg; var template (value) FullyQualifiedTEID fteid_c_ie, fteid_u_ie; var template (value) PDN_AddressAllocation paa; + var uint4_t bid; + var template (value) BearerContextIEs bctx_ies;

[] GTP2.receive(tr_GTP2C_CreateSessionReq(g_pars.imsi)) -> value rx_msg { /* TODO: parse TEIC and TEID and store it in g_pars.remote_tei{c,d} */ + bid := rx_msg.gtpcv2_pdu.createSessionRequest.bearerContextGrouped[0].bearerContextIEs.ePS_Bearer_ID.ePS_Bearer_ID_Value;

/* allocate + register TEID-C on local side */ g_pars.teic := f_gtp2_allocate_teid(); @@ -409,8 +412,11 @@ fteid_u_ie := ts_GTP2C_FTEID(FTEID_IF_S2bU_ePDG_GTPU, g_pars.teid, 2, f_inet_addr(mp_s2b_local_ip), omit); paa := ts_GTP2C_PdnAddrAlloc_v4(f_inet_addr(g_pars.ue_ip)); - - GTP2.send(ts_GTP2C_CreateSessionResp({ fteid_c_ie }, paa)); + bctx_ies := ts_GTP2C_BcContextIE(bid := bid, + teid_list := { fteid_u_ie }, + qos := ts_GTP2C_BearerQos('09'O, 0,0,0,0), + charging_id := ts_GTP2C_ChargingID(g_pars.teic)); + GTP2.send(ts_GTP2C_CreateSessionResp({ fteid_c_ie }, paa, { ts_GTP2C_BcGrouped(bctx_ies) } )); setverdict(pass); } [] GTP2.receive(PDU_GTPCv2:?) -> value rx_msg { diff --git a/library/GTPv2_Templates.ttcn b/library/GTPv2_Templates.ttcn index 6bd3ba6..e1e71f0 100644 --- a/library/GTPv2_Templates.ttcn +++ b/library/GTPv2_Templates.ttcn @@ -505,6 +505,25 @@ }

/* 8.28 */ +template (value) BearerContextIEs +ts_GTP2C_BcContextIE(template (value) uint4_t bid, + template (omit) FullyQualifiedTEID_List teid_list := omit, + template (omit) Bearer_QoS qos := ts_GTP2C_BearerQos('09'O, 0,0,0,0), + template (omit) ChargingID charging_id := omit) := { + ePS_Bearer_ID := ts_GTP2C_EpsBearerId(bid), + cause := ts_GTP2C_Cause(Request_accepted, '0'B), + ePS_Bearer_TFT := omit, + fullyQualifiedTEID := teid_list, + bearerLevel_QoS := qos, + chargingID := charging_id, + bearerFlags := omit, + transactionIdentifier := omit, + protocolConfigOptions := omit, + rAN_NASCause := omit, + additionalProtocolConfigOptions := omit, + extendedProtocolConfigOptions := omit +} + template (value) BearerContextGrouped ts_GTP2C_BcGrouped(template (value) BearerContextIEs ies) := { elementIdentifier := '5D'O, @@ -522,7 +541,16 @@ bearerContextIEs := ies }

- +/* 8.29 */ +template (value) ChargingID +ts_GTP2C_ChargingID(template (value) OCT4 chargingID_Value) := { + elementIdentifier := '5D'O, + lengthIndicator := 0, /* overwritten */ + instance := '0000'B, + spare := '0000'B, + chargingID_Value := chargingID_Value, + additionalOctets := omit +}

/* 8.30 */ template (value) ChargingCharacteristics @@ -811,7 +839,8 @@

template (value) PDU_GTPCv2 ts_GTP2C_CreateSessionResp(template (value) FullyQualifiedTEID_List fteids, - template (value) PDN_AddressAllocation addr) := + template (value) PDN_AddressAllocation addr, + template (omit) BearerContextGrouped_List bearerContextGrouped := omit) := ts_PDU_GTP2C('00000000'O, '000000'O, '21'O, { createSessionResponse := { cause := ts_GTP2C_Cause(Request_accepted, '0'B), @@ -824,7 +853,7 @@ ambr := omit, linkedEPS_Bearer_ID := omit, protocolConfigOptions := omit, - bearerContextGrouped := omit, + bearerContextGrouped := bearerContextGrouped, recovery := omit, chargingGatewayName := omit, chargingGatewayAddress := omit,