TP REG_ACC_06 updated (f0d8ffca) · Commits · INT - Core Network and Interoperability Testing / 5G Core / NAS

test_purposes/TP_AMF_NGNAS.tdltx

+56 −29

Original line number	Diff line number	Diff line
		@@ -938,7 +938,7 @@ Package TP_AMF_NGNAS {

		Objective: "Verify that, during the initial registration procedure, when the REGISTRATION_REQUEST message contains a Requested NSSAI IE with one S-NSSAI that is allowed by the IUT, then the IUT sends a REGISTRATION_ACCEPT message containing an Allowed NSSAI IE with the requested S-NSSAI."

		Reference: "ETSI TS 124 501 [1], Clauses 5.5.1.2.4 and 8.2.7"
		Reference: "ETSI TS 124 501 [1], Clauses 4.4.6, 5.4.2.4, 5.5.1.2.4, 8.2.7 and 8.2.26"

		Configuration: CF_AMF_N2N1

		@@ -947,19 +947,45 @@ Package TP_AMF_NGNAS {
		Initial conditions
		with {
		the UE entity isNotRegisteredToAMF and
		the UE entity hasSubscribedSNSSAIAllowedByAMF
		the UE entity hasNoValidNasSecurityContext and
		the IUT entity receives an INITIAL_UE_MESSAGE containing {
		UE_Context_Request_IE set to "requested", //reference ts_138413v171500p, clause 8.6.1.2: presence of this IE obliges the AMF to trigger the Initial Context Setup procedure
		NAS_PDU containing {
		extended_protocol_discriminator set to 5GS_MOBILITY_MANAGEMENT_MESSAGES,
		security_header_type set to NOT_SECURITY_PROTECTED,
		message_type set to REGISTRATION_REQUEST,
		5GS_registration_type containing {
		5GS_registration_type_value set to INITIAL_REGISTRATION,
		Follow_on_request_indicator set to FOLLOW_ON_REQUEST_PENDING}, //deliberately set to "pending" so that the connection-release condition of TS 123 502 [2], clause 4.2.2.2.2, bullet 22 does not apply; this TP verifies Allowed NSSAI only and is kept independent from any subsequent connection release behaviour
		5GS_mobile_identity containing {
		SUPI_format set to IMSI,
		Type_of_identity set to SUCI,
		MCC set to PX_MCC,
		MNC set to PX_MNC,
		Routing_indicator set to PX_ROUTING_INDICATOR,
		Protection_scheme_id set to PX_PROTECTION_SCHEME_ID,
		Home_network_public_key_identifier set to PX_HOME_NETWORK_PUBLIC_KEY_IDENTIFIER,
		MSIN set to PX_MSIN}}} //cleartext IEs only; Requested NSSAI is a non-cleartext IE and is therefore not present here (see TS 124 501 [1], clause 4.4.6)
		from the GNB entity and
		event SECURITY_MODE_COMMAND occurs
		}

		Expected behaviour
		ensure that {
		when {
		the IUT entity receives an INITIAL_UE_MESSAGE containing {
		the IUT entity receives an UPLINK_NAS_TRANSPORT containing {
		NAS_PDU containing {
		extended_protocol_discriminator set to 5GS_MOBILITY_MANAGEMENT_MESSAGES,
		security_header_type set to INTEGRITY_PROTECTED_AND_CIPHERED_WITH_NEW_5G_NAS_SECURITY_CONTEXT,
		message_type set to SECURITY_MODE_COMPLETE,
		NAS_message_container containing {
		NAS_PDU containing {
		extended_protocol_discriminator set to 5GS_MOBILITY_MANAGEMENT_MESSAGES,
		security_header_type set to NOT_SECURITY_PROTECTED,
		message_type set to REGISTRATION_REQUEST,
		5GS_registration_type containing {
		5GS_registration_type_value set to INITIAL_REGISTRATION},
		5GS_registration_type_value set to INITIAL_REGISTRATION,
		Follow_on_request_indicator set to FOLLOW_ON_REQUEST_PENDING},
		5GS_mobile_identity containing {
		SUPI_format set to IMSI,
		Type_of_identity set to SUCI,
		@@ -971,11 +997,12 @@ Package TP_AMF_NGNAS {
		MSIN set to PX_MSIN},
		Requested_NSSAI containing {
		S_NSSAI_1 containing {
		SST set to PX_SST_1, //S-NSSAI subscribed for the UE and allowed by the IUT in the current registration area.
		SD set to PX_SD_1}}}}
		SST set to PX_SST_1, //PX_SST_1/PX_SD_1 identify an S-NSSAI that must be provisioned as allowed in the UE's subscription data at the AMF/UDM (IXIT precondition, not modelled as an Event)
		SD set to PX_SD_1}}}}}}
		from the GNB entity
		}
		then {
		//NOTE: REGISTRATION_ACCEPT may be carried within INITIAL_CONTEXT_SETUP_REQUEST or within DOWNLINK_NAS_TRANSPORT, depending on IUT implementation; no explicit normative statement mandating one or the other has been identified in TS 138 413, TS 124 501 or TS 123 502. INITIAL_CONTEXT_SETUP_REQUEST is used here, consistent with TP_5GNAS_AMF_REG_ACC_01/04/05 and with the UE_Context_Request_IE set to "requested" in the Initial conditions above; pending confirmation with interoperability partners, this may be revised to allow both alternatives.
		the IUT entity sends a INITIAL_CONTEXT_SETUP_REQUEST containing {
		NAS_PDU containing {
		extended_protocol_discriminator set to 5GS_MOBILITY_MANAGEMENT_MESSAGES,
		@@ -991,7 +1018,7 @@ Package TP_AMF_NGNAS {
		5G_TMSI set to RV_5G_TMSI},
		Allowed_NSSAI containing {
		S_NSSAI_1 containing {
		SST set to PX_SST_1, //S-NSSAI subscribed for the UE and allowed by the IUT in the current registration area.
		SST set to PX_SST_1,
		SD set to PX_SD_1}}}}
		to the GNB entity
		}