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[5GC] Service Request Race Condition(#1226) 

When UE-triggered and Network-triggered Service Request was occurred at
the same time, we need UPF deactivation and UEContextRelease
This commit is contained in:
Sukchan Lee 2021-11-28 20:54:51 +09:00
parent d8655e07c6
commit acd67c7aa6
9 changed files with 840 additions and 81 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

270
src/amf/ngap-handler.c
View File

@ -1473,6 +1473,10 @@ void ngap_handle_pdu_session_resource_setup_response(
NGAP_AMF_UE_NGAP_ID_t *AMF_UE_NGAP_ID = NULL;
NGAP_PDUSessionResourceSetupListSURes_t *PDUSessionList = NULL;
NGAP_PDUSessionResourceSetupItemSURes_t *PDUSessionItem = NULL;
NGAP_PDUSessionResourceFailedToSetupListSURes_t
*PDUSessionFailedList = NULL;
NGAP_PDUSessionResourceFailedToSetupItemSURes_t
*PDUSessionFailedItem = NULL;
OCTET_STRING_t *transfer = NULL;
ogs_assert(gnb);
@ -1501,6 +1505,10 @@ void ngap_handle_pdu_session_resource_setup_response(
PDUSessionList =
&ie->value.choice.PDUSessionResourceSetupListSURes;
break;
case NGAP_ProtocolIE_ID_id_PDUSessionResourceFailedToSetupListSURes:
PDUSessionFailedList =
&ie->value.choice.PDUSessionResourceFailedToSetupListSURes;
break;
default:
break;
}
@ -1553,78 +1561,202 @@ void ngap_handle_pdu_session_resource_setup_response(
return;
}
if (!PDUSessionList) {
ogs_error("No PDUSessionResourceSetupListSURes");
if (PDUSessionList) {
for (i = 0; i < PDUSessionList->list.count; i++) {
amf_sess_t *sess = NULL;
PDUSessionItem = (NGAP_PDUSessionResourceSetupItemSURes_t *)
PDUSessionList->list.array[i];
if (!PDUSessionItem) {
ogs_error("No PDUSessionResourceSetupItemSURes");
ogs_assert(OGS_OK ==
ngap_send_error_indication2(
amf_ue,
NGAP_Cause_PR_protocol,
NGAP_CauseProtocol_semantic_error));
return;
}
transfer = &PDUSessionItem->pDUSessionResourceSetupResponseTransfer;
if (!transfer) {
ogs_error("No PDUSessionResourceSetupResponseTransfer");
ogs_assert(OGS_OK ==
ngap_send_error_indication2(
amf_ue,
NGAP_Cause_PR_protocol,
NGAP_CauseProtocol_semantic_error));
return;
}
if (PDUSessionItem->pDUSessionID ==
OGS_NAS_PDU_SESSION_IDENTITY_UNASSIGNED) {
ogs_error("PDU Session Identity is unassigned");
ogs_assert(OGS_OK ==
ngap_send_error_indication2(
amf_ue,
NGAP_Cause_PR_protocol,
NGAP_CauseProtocol_semantic_error));
return;
}
sess = amf_sess_find_by_psi(amf_ue, PDUSessionItem->pDUSessionID);
if (!sess) {
ogs_error("Cannot find PDU Session ID [%d]",
(int)PDUSessionItem->pDUSessionID);
ogs_assert(OGS_OK ==
ngap_send_error_indication2(amf_ue,
NGAP_Cause_PR_radioNetwork,
NGAP_CauseRadioNetwork_unknown_PDU_session_ID));
return;
}
if (!SESSION_CONTEXT_IN_SMF(sess)) {
ogs_error("Session Context is not in SMF [%d]",
(int)PDUSessionItem->pDUSessionID);
ogs_assert(OGS_OK ==
ngap_send_error_indication2(amf_ue,
NGAP_Cause_PR_radioNetwork,
NGAP_CauseRadioNetwork_unknown_PDU_session_ID));
return;
}
memset(&param, 0, sizeof(param));
param.n2smbuf = ogs_pkbuf_alloc(NULL, OGS_MAX_SDU_LEN);
ogs_assert(param.n2smbuf);
param.n2SmInfoType = OpenAPI_n2_sm_info_type_PDU_RES_SETUP_RSP;
ogs_pkbuf_put_data(param.n2smbuf, transfer->buf, transfer->size);
ogs_assert(true ==
amf_sess_sbi_discover_and_send(OpenAPI_nf_type_SMF,
sess, AMF_UPDATE_SM_CONTEXT_ACTIVATED, &param,
amf_nsmf_pdusession_build_update_sm_context));
ogs_pkbuf_free(param.n2smbuf);
}
} else if (PDUSessionFailedList) {
for (i = 0; i < PDUSessionFailedList->list.count; i++) {
amf_sess_t *sess = NULL;
PDUSessionFailedItem =
(NGAP_PDUSessionResourceFailedToSetupItemSURes_t *)
PDUSessionFailedList->list.array[i];
if (!PDUSessionFailedItem) {
ogs_error("No PDUSessionResourceFailedToSetupItemSURes");
ogs_assert(OGS_OK ==
ngap_send_error_indication2(
amf_ue,
NGAP_Cause_PR_protocol,
NGAP_CauseProtocol_semantic_error));
return;
}
transfer =
&PDUSessionFailedItem->
pDUSessionResourceSetupUnsuccessfulTransfer;
if (!transfer) {
ogs_error("No PDUSessionResourceSetupUnsuccessfulTransfer");
ogs_assert(OGS_OK ==
ngap_send_error_indication2(
amf_ue,
NGAP_Cause_PR_protocol,
NGAP_CauseProtocol_semantic_error));
return;
}
if (PDUSessionFailedItem->pDUSessionID ==
OGS_NAS_PDU_SESSION_IDENTITY_UNASSIGNED) {
ogs_error("PDU Session Identity is unassigned");
ogs_assert(OGS_OK ==
ngap_send_error_indication2(
amf_ue,
NGAP_Cause_PR_protocol,
NGAP_CauseProtocol_semantic_error));
return;
}
sess = amf_sess_find_by_psi(
amf_ue, PDUSessionFailedItem->pDUSessionID);
if (!sess) {
ogs_error("Cannot find PDU Session ID [%d]",
(int)PDUSessionFailedItem->pDUSessionID);
ogs_assert(OGS_OK ==
ngap_send_error_indication2(
amf_ue,
NGAP_Cause_PR_radioNetwork,
NGAP_CauseRadioNetwork_unknown_PDU_session_ID));
return;
}
if (!SESSION_CONTEXT_IN_SMF(sess)) {
ogs_error("Session Context is not in SMF [%d]",
(int)PDUSessionFailedItem->pDUSessionID);
ogs_assert(OGS_OK ==
ngap_send_error_indication2(amf_ue,
NGAP_Cause_PR_radioNetwork,
NGAP_CauseRadioNetwork_unknown_PDU_session_ID));
return;
}
/*
* TS23.502
* 4.2.3 Service Request procedures
* 4.2.3.2 UE Triggered Service Request
*
* 15. ...
* If a PDU Session is rejected by the serving NG-RAN
* with an indication that the PDU Session was rejected
* because User Plane Security Enforcement is not supported
* in the serving NG-RAN and the User Plane Enforcement Policy
* indicates "Required" as described in clause 5.10.3
* of TS 23.501 [2], the SMF shall trigger the release
* of this PDU Session.
*
* In all other cases of PDU Session rejection,
* the SMF can decide whether to release the PDU Session
* or to deactivate the UP connection of this PDU Session.
*
*
* TS29.502
*
* 5.2.2.3.2
* Activation and Deactivation of the User Plane connection
* of a PDU session
* 5.2.2.3.2.2
* Activation of User Plane connectivity of a PDU session
*
* 3. ...
* N2 SM information received from the 5G-AN
* (see PDU Session Resource Setup Unsuccessful Transfer IE
* in clause 9.3.4.16 of 3GPP TS 38.413 [9]),
* including the Cause of the failure, if resources failed
* to be established for the PDU session.
*
* Upon receipt of this request, the SMF shall:
* - consider that the activation of the User Plane connection
* has failed and set the upCnxState attribute to DEACTIVATED"
* otherwise.
*/
memset(&param, 0, sizeof(param));
param.n2smbuf = ogs_pkbuf_alloc(NULL, OGS_MAX_SDU_LEN);
ogs_assert(param.n2smbuf);
param.n2SmInfoType = OpenAPI_n2_sm_info_type_PDU_RES_SETUP_FAIL;
ogs_pkbuf_put_data(param.n2smbuf, transfer->buf, transfer->size);
amf_ue->deactivation.group = NGAP_Cause_PR_nas;
amf_ue->deactivation.cause = NGAP_CauseNas_normal_release;
ogs_assert(true ==
amf_sess_sbi_discover_and_send(OpenAPI_nf_type_SMF,
sess, AMF_UPDATE_SM_CONTEXT_SETUP_FAIL, &param,
amf_nsmf_pdusession_build_update_sm_context));
ogs_pkbuf_free(param.n2smbuf);
}
} else {
ogs_error("No PDUSessionResourceList");
ogs_assert(OGS_OK ==
ngap_send_error_indication2(amf_ue,
NGAP_Cause_PR_protocol, NGAP_CauseProtocol_semantic_error));
return;
}
for (i = 0; i < PDUSessionList->list.count; i++) {
amf_sess_t *sess = NULL;
PDUSessionItem = (NGAP_PDUSessionResourceSetupItemSURes_t *)
PDUSessionList->list.array[i];
if (!PDUSessionItem) {
ogs_error("No PDUSessionResourceSetupItemSURes");
ogs_assert(OGS_OK ==
ngap_send_error_indication2(amf_ue,
NGAP_Cause_PR_protocol, NGAP_CauseProtocol_semantic_error));
return;
}
transfer = &PDUSessionItem->pDUSessionResourceSetupResponseTransfer;
if (!transfer) {
ogs_error("No PDUSessionResourceSetupResponseTransfer");
ogs_assert(OGS_OK ==
ngap_send_error_indication2(amf_ue,
NGAP_Cause_PR_protocol, NGAP_CauseProtocol_semantic_error));
return;
}
if (PDUSessionItem->pDUSessionID ==
OGS_NAS_PDU_SESSION_IDENTITY_UNASSIGNED) {
ogs_error("PDU Session Identity is unassigned");
ogs_assert(OGS_OK ==
ngap_send_error_indication2(amf_ue,
NGAP_Cause_PR_protocol, NGAP_CauseProtocol_semantic_error));
return;
}
sess = amf_sess_find_by_psi(amf_ue, PDUSessionItem->pDUSessionID);
if (!sess) {
ogs_error("Cannot find PDU Session ID [%d]",
(int)PDUSessionItem->pDUSessionID);
ogs_assert(OGS_OK ==
ngap_send_error_indication2(amf_ue,
NGAP_Cause_PR_radioNetwork,
NGAP_CauseRadioNetwork_unknown_PDU_session_ID));
return;
}
if (!SESSION_CONTEXT_IN_SMF(sess)) {
ogs_error("Session Context is not in SMF [%d]",
(int)PDUSessionItem->pDUSessionID);
ogs_assert(OGS_OK ==
ngap_send_error_indication2(amf_ue,
NGAP_Cause_PR_radioNetwork,
NGAP_CauseRadioNetwork_unknown_PDU_session_ID));
return;
}
memset(&param, 0, sizeof(param));
param.n2smbuf = ogs_pkbuf_alloc(NULL, OGS_MAX_SDU_LEN);
ogs_assert(param.n2smbuf);
param.n2SmInfoType = OpenAPI_n2_sm_info_type_PDU_RES_SETUP_RSP;
ogs_pkbuf_put_data(param.n2smbuf, transfer->buf, transfer->size);
ogs_assert(true ==
amf_sess_sbi_discover_and_send(OpenAPI_nf_type_SMF,
sess, AMF_UPDATE_SM_CONTEXT_ACTIVATED, &param,
amf_nsmf_pdusession_build_update_sm_context));
ogs_pkbuf_free(param.n2smbuf);
}
}

55
src/amf/nsmf-handler.c
View File

@ -398,6 +398,61 @@ int amf_nsmf_pdusession_handle_update_sm_context(
* 3. PFCP Session Modifcation Request (Apply: FORWARD)
* 4. PFCP Session Modifcation Response
*/
} else if (state == AMF_UPDATE_SM_CONTEXT_SETUP_FAIL) {
/*
* TS23.502
* 4.2.3 Service Request procedures
* 4.2.3.2 UE Triggered Service Request
*
* 15. ...
* If a PDU Session is rejected by the serving NG-RAN
* with an indication that the PDU Session was rejected
* because User Plane Security Enforcement is not supported
* in the serving NG-RAN and the User Plane Enforcement Policy
* indicates "Required" as described in clause 5.10.3
* of TS 23.501 [2], the SMF shall trigger the release
* of this PDU Session.
*
* In all other cases of PDU Session rejection,
* the SMF can decide whether to release the PDU Session
* or to deactivate the UP connection of this PDU Session.
*
*
* TS29.502
*
* 5.2.2.3.2
* Activation and Deactivation of the User Plane connection
* of a PDU session
* 5.2.2.3.2.2
* Activation of User Plane connectivity of a PDU session
*
* 3. ...
* N2 SM information received from the 5G-AN
* (see PDU Session Resource Setup Unsuccessful Transfer IE
* in clause 9.3.4.16 of 3GPP TS 38.413 [9]),
* including the Cause of the failure, if resources failed
* to be established for the PDU session.
*
* Upon receipt of this request, the SMF shall:
* - consider that the activation of the User Plane connection
* has failed and set the upCnxState attribute to DEACTIVATED"
* otherwise.
*
* 1. PDUSessionResourceSetupResponse(Unsuccessful)
* 2. /nsmf-pdusession/v1/sm-contexts/{smContextRef}/modify
* 3. PFCP Session Modifcation Request (Apply:Buff & NOCP)
* 4. PFCP Session Modifcation Response
* 5. UEContextReleaseCommand
* 6. UEContextReleaseComplete
*/
ogs_warn("PDUSessionResourceSetupResponse(Unsuccessful)");
ogs_assert(amf_ue->deactivation.group);
ogs_assert(OGS_OK ==
ngap_send_amf_ue_context_release_command(amf_ue,
amf_ue->deactivation.group,
amf_ue->deactivation.cause,
NGAP_UE_CTX_REL_NG_REMOVE_AND_UNLINK, 0));
} else if (state == AMF_UPDATE_SM_CONTEXT_MODIFIED) {
/*

25
src/amf/sbi-path.h
View File

@ -43,18 +43,19 @@ bool amf_ue_sbi_discover_and_send(OpenAPI_nf_type_e target_nf_type,
#define AMF_CREATE_SM_CONTEXT_NO_STATE 0
#define AMF_UPDATE_SM_CONTEXT_ACTIVATED 11
#define AMF_UPDATE_SM_CONTEXT_DEACTIVATED 12
#define AMF_UPDATE_SM_CONTEXT_REGISTRATION_REQUEST 13
#define AMF_UPDATE_SM_CONTEXT_SERVICE_REQUEST 14
#define AMF_UPDATE_SM_CONTEXT_MODIFIED 15
#define AMF_UPDATE_SM_CONTEXT_N2_RELEASED 16
#define AMF_UPDATE_SM_CONTEXT_N1_RELEASED 17
#define AMF_UPDATE_SM_CONTEXT_DUPLICATED_PDU_SESSION_ID 18
#define AMF_UPDATE_SM_CONTEXT_PATH_SWITCH_REQUEST 19
#define AMF_UPDATE_SM_CONTEXT_HANDOVER_REQUIRED 20
#define AMF_UPDATE_SM_CONTEXT_HANDOVER_REQ_ACK 21
#define AMF_UPDATE_SM_CONTEXT_HANDOVER_NOTIFY 22
#define AMF_UPDATE_SM_CONTEXT_HANDOVER_CANCEL 23
#define AMF_UPDATE_SM_CONTEXT_SETUP_FAIL 12
#define AMF_UPDATE_SM_CONTEXT_DEACTIVATED 13
#define AMF_UPDATE_SM_CONTEXT_REGISTRATION_REQUEST 14
#define AMF_UPDATE_SM_CONTEXT_SERVICE_REQUEST 15
#define AMF_UPDATE_SM_CONTEXT_MODIFIED 16
#define AMF_UPDATE_SM_CONTEXT_N2_RELEASED 17
#define AMF_UPDATE_SM_CONTEXT_N1_RELEASED 18
#define AMF_UPDATE_SM_CONTEXT_DUPLICATED_PDU_SESSION_ID 19
#define AMF_UPDATE_SM_CONTEXT_PATH_SWITCH_REQUEST 20
#define AMF_UPDATE_SM_CONTEXT_HANDOVER_REQUIRED 21
#define AMF_UPDATE_SM_CONTEXT_HANDOVER_REQ_ACK 22
#define AMF_UPDATE_SM_CONTEXT_HANDOVER_NOTIFY 23
#define AMF_UPDATE_SM_CONTEXT_HANDOVER_CANCEL 24
#define AMF_RELEASE_SM_CONTEXT_NO_STATE 31
#define AMF_RELEASE_SM_CONTEXT_NG_CONTEXT_REMOVE 32
#define AMF_RELEASE_SM_CONTEXT_REGISTRATION_ACCEPT 33

10
src/smf/gsm-sm.c
View File

@ -373,6 +373,16 @@ void smf_gsm_state_operational(ogs_fsm_t *s, smf_event_t *e)
}
break;
case OpenAPI_n2_sm_info_type_PDU_RES_SETUP_FAIL:
rv = ngap_handle_pdu_session_resource_setup_unsuccessful_transfer(
sess, stream, pkbuf);
if (rv != OGS_OK) {
ogs_error("[%s:%d] Cannot handle NGAP message",
smf_ue->supi, sess->psi);
OGS_FSM_TRAN(s, smf_gsm_state_exception);
}
break;
case OpenAPI_n2_sm_info_type_PDU_RES_MOD_RSP:
rv = ngap_handle_pdu_session_resource_modify_response_transfer(
sess, stream, pkbuf);

96
src/smf/ngap-handler.c
View File

@ -155,6 +155,102 @@ cleanup:
return rv;
}
int ngap_handle_pdu_session_resource_setup_unsuccessful_transfer(
smf_sess_t *sess, ogs_sbi_stream_t *stream, ogs_pkbuf_t *pkbuf)
{
smf_ue_t *smf_ue = NULL;
int rv;
NGAP_PDUSessionResourceSetupUnsuccessfulTransfer_t message;
NGAP_Cause_t *Cause = NULL;
ogs_assert(pkbuf);
ogs_assert(stream);
ogs_assert(sess);
smf_ue = sess->smf_ue;
ogs_assert(smf_ue);
ogs_debug("PDUSessionResourceSetupUnsuccessfulTransfer");
rv = ogs_asn_decode(
&asn_DEF_NGAP_PDUSessionResourceSetupUnsuccessfulTransfer,
&message, sizeof(message), pkbuf);
if (rv != OGS_OK) {
ogs_error("[%s:%d] Cannot decode NGAP message",
smf_ue->supi, sess->psi);
smf_sbi_send_sm_context_update_error(stream,
OGS_SBI_HTTP_STATUS_BAD_REQUEST,
"No N2 SM Info Type", smf_ue->supi, NULL, NULL);
goto cleanup;
}
rv = OGS_ERROR;
Cause = &message.cause;
if (Cause->present == NGAP_Cause_PR_radioNetwork &&
Cause->choice.radioNetwork ==
NGAP_CauseRadioNetwork_multiple_PDU_session_ID_instances) {
ogs_warn(" Cause[Group:%d Cause:%d]",
Cause->present, (int)Cause->choice.radioNetwork);
} else {
ogs_error(" Cause[Group:%d Cause:%d]",
Cause->present, (int)Cause->choice.radioNetwork);
}
/*
* TS23.502
* 4.2.3 Service Request procedures
* 4.2.3.2 UE Triggered Service Request
*
* 15. ...
* If a PDU Session is rejected by the serving NG-RAN
* with an indication that the PDU Session was rejected
* because User Plane Security Enforcement is not supported
* in the serving NG-RAN and the User Plane Enforcement Policy
* indicates "Required" as described in clause 5.10.3
* of TS 23.501 [2], the SMF shall trigger the release
* of this PDU Session.
*
* In all other cases of PDU Session rejection,
* the SMF can decide whether to release the PDU Session
* or to deactivate the UP connection of this PDU Session.
*
*
* TS29.502
*
* 5.2.2.3.2
* Activation and Deactivation of the User Plane connection
* of a PDU session
* 5.2.2.3.2.2
* Activation of User Plane connectivity of a PDU session
*
* 3. ...
* N2 SM information received from the 5G-AN
* (see PDU Session Resource Setup Unsuccessful Transfer IE
* in clause 9.3.4.16 of 3GPP TS 38.413 [9]),
* including the Cause of the failure, if resources failed
* to be established for the PDU session.
*
* Upon receipt of this request, the SMF shall:
* - consider that the activation of the User Plane connection
* has failed and set the upCnxState attribute to DEACTIVATED"
* otherwise.
*/
ogs_assert(OGS_OK ==
smf_5gc_pfcp_send_session_modification_request(
sess, stream,
OGS_PFCP_MODIFY_DL_ONLY|OGS_PFCP_MODIFY_DEACTIVATE, 0));
rv = OGS_OK;
cleanup:
ogs_asn_free(
&asn_DEF_NGAP_PDUSessionResourceSetupUnsuccessfulTransfer, &message);
return rv;
}
int ngap_handle_pdu_session_resource_modify_response_transfer(
smf_sess_t *sess, ogs_sbi_stream_t *stream, ogs_pkbuf_t *pkbuf)
{

2
src/smf/ngap-handler.h
View File

@ -28,6 +28,8 @@ extern "C" {
int ngap_handle_pdu_session_resource_setup_response_transfer(
smf_sess_t *sess, ogs_sbi_stream_t *stream, ogs_pkbuf_t *pkbuf);
int ngap_handle_pdu_session_resource_setup_unsuccessful_transfer(
smf_sess_t *sess, ogs_sbi_stream_t *stream, ogs_pkbuf_t *pkbuf);
int ngap_handle_pdu_session_resource_modify_response_transfer(
smf_sess_t *sess, ogs_sbi_stream_t *stream, ogs_pkbuf_t *pkbuf);
int ngap_handle_path_switch_request_transfer(

117
tests/common/ngap-build.c
View File

@ -21,6 +21,8 @@
static ogs_pkbuf_t *testngap_build_pdu_session_resource_setup_response_trasfer(
test_sess_t *sess);
static ogs_pkbuf_t *testngap_build_pdu_session_resource_setup_unsuccessful_trasfer(
test_sess_t *sess, NGAP_Cause_PR group, long cause);
static ogs_pkbuf_t *testngap_build_qos_flow_resource_modify_response_trasfer(
test_bearer_t *qos_flow);
static ogs_pkbuf_t *testngap_build_qos_flow_resource_release_response_trasfer(
@ -1069,6 +1071,100 @@ ogs_pkbuf_t *testngap_sess_build_pdu_session_resource_setup_response(
return ogs_ngap_encode(&pdu);
}
ogs_pkbuf_t *testngap_sess_build_pdu_session_resource_failed_to_setup(
test_sess_t *sess, NGAP_Cause_PR group, long cause)
{
int rv;
test_ue_t *test_ue = NULL;
ogs_pkbuf_t *n2smbuf = NULL;
ogs_pkbuf_t *ngapbuf = NULL;
NGAP_NGAP_PDU_t pdu;
NGAP_SuccessfulOutcome_t *successfulOutcome = NULL;
NGAP_PDUSessionResourceSetupResponse_t *PDUSessionResourceSetupResponse;
NGAP_PDUSessionResourceSetupResponseIEs_t *ie = NULL;
NGAP_AMF_UE_NGAP_ID_t *AMF_UE_NGAP_ID = NULL;
NGAP_RAN_UE_NGAP_ID_t *RAN_UE_NGAP_ID = NULL;
NGAP_PDUSessionResourceFailedToSetupListSURes_t
*PDUSessionFailedList = NULL;
NGAP_PDUSessionResourceFailedToSetupItemSURes_t
*PDUSessionFailedItem = NULL;
OCTET_STRING_t *transfer = NULL;
ogs_assert(sess);
test_ue = sess->test_ue;
ogs_assert(test_ue);
memset(&pdu, 0, sizeof (NGAP_NGAP_PDU_t));
pdu.present = NGAP_NGAP_PDU_PR_successfulOutcome;
pdu.choice.successfulOutcome = CALLOC(1, sizeof(NGAP_SuccessfulOutcome_t));
successfulOutcome = pdu.choice.successfulOutcome;
successfulOutcome->procedureCode =
NGAP_ProcedureCode_id_PDUSessionResourceSetup;
successfulOutcome->criticality = NGAP_Criticality_reject;
successfulOutcome->value.present =
NGAP_SuccessfulOutcome__value_PR_PDUSessionResourceSetupResponse;
PDUSessionResourceSetupResponse =
&successfulOutcome->value.choice.PDUSessionResourceSetupResponse;
ie = CALLOC(1, sizeof(NGAP_PDUSessionResourceSetupResponseIEs_t));
ASN_SEQUENCE_ADD(&PDUSessionResourceSetupResponse->protocolIEs, ie);
ie->id = NGAP_ProtocolIE_ID_id_AMF_UE_NGAP_ID;
ie->criticality = NGAP_Criticality_ignore;
ie->value.present =
NGAP_PDUSessionResourceSetupResponseIEs__value_PR_AMF_UE_NGAP_ID;
AMF_UE_NGAP_ID = &ie->value.choice.AMF_UE_NGAP_ID;
ie = CALLOC(1, sizeof(NGAP_PDUSessionResourceSetupResponseIEs_t));
ASN_SEQUENCE_ADD(&PDUSessionResourceSetupResponse->protocolIEs, ie);
ie->id = NGAP_ProtocolIE_ID_id_RAN_UE_NGAP_ID;
ie->criticality = NGAP_Criticality_ignore;
ie->value.present =
NGAP_PDUSessionResourceSetupResponseIEs__value_PR_RAN_UE_NGAP_ID;
RAN_UE_NGAP_ID = &ie->value.choice.RAN_UE_NGAP_ID;
ie = CALLOC(1, sizeof(NGAP_PDUSessionResourceSetupResponseIEs_t));
ASN_SEQUENCE_ADD(&PDUSessionResourceSetupResponse->protocolIEs, ie);
ie->id = NGAP_ProtocolIE_ID_id_PDUSessionResourceFailedToSetupListSURes;
ie->criticality = NGAP_Criticality_reject;
ie->value.present = NGAP_PDUSessionResourceSetupResponseIEs__value_PR_PDUSessionResourceFailedToSetupListSURes;
PDUSessionFailedList =
&ie->value.choice.PDUSessionResourceFailedToSetupListSURes;
asn_uint642INTEGER(AMF_UE_NGAP_ID, test_ue->amf_ue_ngap_id);
*RAN_UE_NGAP_ID = test_ue->ran_ue_ngap_id;
PDUSessionFailedItem =
CALLOC(1, sizeof(struct NGAP_PDUSessionResourceFailedToSetupItemSURes));
ASN_SEQUENCE_ADD(&PDUSessionFailedList->list, PDUSessionFailedItem);
PDUSessionFailedItem->pDUSessionID = sess->psi;
n2smbuf = testngap_build_pdu_session_resource_setup_unsuccessful_trasfer(
sess, group, cause);
ogs_assert(n2smbuf);
transfer =
&PDUSessionFailedItem->pDUSessionResourceSetupUnsuccessfulTransfer;
transfer->size = n2smbuf->len;
transfer->buf = CALLOC(transfer->size, sizeof(uint8_t));
memcpy(transfer->buf, n2smbuf->data, transfer->size);
ogs_pkbuf_free(n2smbuf);
return ogs_ngap_encode(&pdu);
}
ogs_pkbuf_t *testngap_build_qos_flow_resource_modify_response(
test_bearer_t *qos_flow)
{
@ -2260,6 +2356,27 @@ static ogs_pkbuf_t *testngap_build_pdu_session_resource_setup_response_trasfer(
&asn_DEF_NGAP_PDUSessionResourceSetupResponseTransfer, &message);
}
static ogs_pkbuf_t *testngap_build_pdu_session_resource_setup_unsuccessful_trasfer(
test_sess_t *sess, NGAP_Cause_PR group, long cause)
{
int rv;
ogs_assert(sess);
NGAP_PDUSessionResourceSetupUnsuccessfulTransfer_t message;
NGAP_Cause_t *Cause = NULL;
memset(&message, 0, sizeof(message));
Cause = &message.cause;
Cause->present = group;
Cause->choice.radioNetwork = cause;
return ogs_asn_encode(
&asn_DEF_NGAP_PDUSessionResourceSetupUnsuccessfulTransfer, &message);
}
static ogs_pkbuf_t *testngap_build_qos_flow_resource_modify_response_trasfer(
test_bearer_t *qos_flow)
{

2
tests/common/ngap-build.h
View File

@ -49,6 +49,8 @@ ogs_pkbuf_t *testngap_ue_build_pdu_session_resource_setup_response(
test_ue_t *test_ue);
ogs_pkbuf_t *testngap_sess_build_pdu_session_resource_setup_response(
test_sess_t *sess);
ogs_pkbuf_t *testngap_sess_build_pdu_session_resource_failed_to_setup(
test_sess_t *sess, NGAP_Cause_PR group, long cause);
ogs_pkbuf_t *testngap_build_qos_flow_resource_modify_response(
test_bearer_t *qos_flow);
ogs_pkbuf_t *testngap_build_qos_flow_resource_release_response(

344
tests/registration/paging-test.c
View File

@ -585,6 +585,349 @@ static void cm_idle_paging_func(abts_case *tc, void *data)
test_ue_remove(test_ue);
}
static void cm_connected_paging_func(abts_case *tc, void *data)
{
int rv;
ogs_socknode_t *ngap;
ogs_socknode_t *gtpu;
ogs_pkbuf_t *gmmbuf;
ogs_pkbuf_t *gsmbuf;
ogs_pkbuf_t *nasbuf;
ogs_pkbuf_t *sendbuf;
ogs_pkbuf_t *recvbuf;
ogs_ngap_message_t message;
int i;
ogs_nas_5gs_mobile_identity_suci_t mobile_identity_suci;
test_ue_t *test_ue = NULL;
test_sess_t *sess = NULL;
test_bearer_t *qos_flow = NULL;
bson_t *doc = NULL;
/* Setup Test UE & Session Context */
memset(&mobile_identity_suci, 0, sizeof(mobile_identity_suci));
mobile_identity_suci.h.supi_format = OGS_NAS_5GS_SUPI_FORMAT_IMSI;
mobile_identity_suci.h.type = OGS_NAS_5GS_MOBILE_IDENTITY_SUCI;
mobile_identity_suci.routing_indicator1 = 0;
mobile_identity_suci.routing_indicator2 = 0xf;
mobile_identity_suci.routing_indicator3 = 0xf;
mobile_identity_suci.routing_indicator4 = 0xf;
mobile_identity_suci.protection_scheme_id = OGS_NAS_5GS_NULL_SCHEME;
mobile_identity_suci.home_network_pki_value = 0;
mobile_identity_suci.scheme_output[0] = 0;
mobile_identity_suci.scheme_output[1] = 0;
mobile_identity_suci.scheme_output[2] = 0x20;
mobile_identity_suci.scheme_output[3] = 0x31;
mobile_identity_suci.scheme_output[4] = 0x90;
test_ue = test_ue_add_by_suci(&mobile_identity_suci, 13);
ogs_assert(test_ue);
test_ue->nr_cgi.cell_id = 0x40001;
test_ue->nas.registration.tsc = 0;
test_ue->nas.registration.ksi = OGS_NAS_KSI_NO_KEY_IS_AVAILABLE;
test_ue->nas.registration.follow_on_request = 1;
test_ue->nas.registration.value = OGS_NAS_5GS_REGISTRATION_TYPE_INITIAL;
test_ue->k_string = "465b5ce8b199b49faa5f0a2ee238a6bc";
test_ue->opc_string = "e8ed289deba952e4283b54e88e6183ca";
/* gNB connects to AMF */
ngap = testngap_client(AF_INET);
ABTS_PTR_NOTNULL(tc, ngap);
/* gNB connects to UPF */
gtpu = test_gtpu_server(1, AF_INET);
ABTS_PTR_NOTNULL(tc, gtpu);
/* Send NG-Setup Reqeust */
sendbuf = testngap_build_ng_setup_request(0x4000, 23);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive NG-Setup Response */
recvbuf = testgnb_ngap_read(ngap);
ABTS_PTR_NOTNULL(tc, recvbuf);
testngap_recv(test_ue, recvbuf);
/********** Insert Subscriber in Database */
doc = test_db_new_simple(test_ue);
ABTS_PTR_NOTNULL(tc, doc);
ABTS_INT_EQUAL(tc, OGS_OK, test_db_insert_ue(test_ue, doc));
/* Send Registration request */
gmmbuf = testgmm_build_registration_request(test_ue, NULL);
ABTS_PTR_NOTNULL(tc, gmmbuf);
test_ue->registration_request_param.gmm_capability = 1;
test_ue->registration_request_param.s1_ue_network_capability = 1;
test_ue->registration_request_param.requested_nssai = 1;
test_ue->registration_request_param.last_visited_registered_tai = 1;
test_ue->registration_request_param.ue_usage_setting = 1;
nasbuf = testgmm_build_registration_request(test_ue, NULL);
ABTS_PTR_NOTNULL(tc, nasbuf);
sendbuf = testngap_build_initial_ue_message(test_ue, gmmbuf, false, true);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Authentication request */
recvbuf = testgnb_ngap_read(ngap);
ABTS_PTR_NOTNULL(tc, recvbuf);
testngap_recv(test_ue, recvbuf);
/* Send Authentication response */
gmmbuf = testgmm_build_authentication_response(test_ue);
ABTS_PTR_NOTNULL(tc, gmmbuf);
sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Security mode command */
recvbuf = testgnb_ngap_read(ngap);
ABTS_PTR_NOTNULL(tc, recvbuf);
testngap_recv(test_ue, recvbuf);
/* Send Security mode complete */
gmmbuf = testgmm_build_security_mode_complete(test_ue, nasbuf);
ABTS_PTR_NOTNULL(tc, gmmbuf);
sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive InitialContextSetupRequest +
* Registration accept */
recvbuf = testgnb_ngap_read(ngap);
ABTS_PTR_NOTNULL(tc, recvbuf);
testngap_recv(test_ue, recvbuf);
ABTS_INT_EQUAL(tc,
NGAP_ProcedureCode_id_InitialContextSetup,
test_ue->ngap_procedure_code);
/* Send UERadioCapabilityInfoIndication */
sendbuf = testngap_build_ue_radio_capability_info_indication(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send InitialContextSetupResponse */
sendbuf = testngap_build_initial_context_setup_response(test_ue, false);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send Registration complete */
gmmbuf = testgmm_build_registration_complete(test_ue);
ABTS_PTR_NOTNULL(tc, gmmbuf);
sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Configuration update command */
recvbuf = testgnb_ngap_read(ngap);
ABTS_PTR_NOTNULL(tc, recvbuf);
testngap_recv(test_ue, recvbuf);
/* Send PDU session establishment request */
sess = test_sess_add_by_dnn_and_psi(test_ue, "internet", 5);
ogs_assert(sess);
sess->ul_nas_transport_param.request_type =
OGS_NAS_5GS_REQUEST_TYPE_INITIAL;
sess->ul_nas_transport_param.dnn = 1;
sess->ul_nas_transport_param.s_nssai = 1;
sess->pdu_session_establishment_param.ssc_mode = 1;
sess->pdu_session_establishment_param.epco = 1;
gsmbuf = testgsm_build_pdu_session_establishment_request(sess);
ABTS_PTR_NOTNULL(tc, gsmbuf);
gmmbuf = testgmm_build_ul_nas_transport(sess,
OGS_NAS_PAYLOAD_CONTAINER_N1_SM_INFORMATION, gsmbuf);
ABTS_PTR_NOTNULL(tc, gmmbuf);
sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive PDUSessionResourceSetupRequest +
* DL NAS transport +
* PDU session establishment accept */
recvbuf = testgnb_ngap_read(ngap);
ABTS_PTR_NOTNULL(tc, recvbuf);
testngap_recv(test_ue, recvbuf);
ABTS_INT_EQUAL(tc,
NGAP_ProcedureCode_id_PDUSessionResourceSetup,
test_ue->ngap_procedure_code);
/* Send PDUSessionResourceSetupResponse */
sendbuf = testngap_sess_build_pdu_session_resource_setup_response(sess);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Wait to setup N3 data connection
*
* Otherwise, the following case could occur:
*
* 1. PDUSessionResourceSetupResponse
* 2. UEContextReleaseRequest
* 3. /nsmf-pdusession/v1/sm-contexts/{smContextRef}/modify
* 4. /nsmf-pdusession/v1/sm-contexts/{smContextRef}/modify
* 5. PFCP Session Modifcation Request (Deactivated)
* 6. PFCP Session Modifcation Request (OuterHeaderCreation)
* 7. PFCP Session Modifcation Response
* 8. PFCP Session Modifcation Response
*
* As such, N3 status could be activated.
*
* To prevent this situation, we'll use ogs_msleep(100).
*/
ogs_msleep(100);
/* Send UEContextReleaseRequest */
sendbuf = testngap_build_ue_context_release_request(test_ue,
NGAP_Cause_PR_radioNetwork, NGAP_CauseRadioNetwork_user_inactivity,
true);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive UEContextReleaseCommand */
recvbuf = testgnb_ngap_read(ngap);
ABTS_PTR_NOTNULL(tc, recvbuf);
testngap_recv(test_ue, recvbuf);
ABTS_INT_EQUAL(tc,
NGAP_ProcedureCode_id_UEContextRelease,
test_ue->ngap_procedure_code);
/* Send UEContextReleaseComplete */
sendbuf = testngap_build_ue_context_release_complete(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/*
* Send InitialUEMessage +
* Service request
* - Type: High priority access(5)
* - Uplink Data Status
* - PDU Session Status
*/
test_ue->service_request_param.integrity_protected = 0;
test_ue->service_request_param.uplink_data_status = 1;
test_ue->service_request_param.psimask.uplink_data_status = 1 << sess->psi;
test_ue->service_request_param.pdu_session_status = 1;
test_ue->service_request_param.psimask.pdu_session_status = 1 << sess->psi;
nasbuf = testgmm_build_service_request(
test_ue, OGS_NAS_SERVICE_TYPE_HIGH_PRIORITY_ACCESS, NULL);
ABTS_PTR_NOTNULL(tc, nasbuf);
test_ue->service_request_param.integrity_protected = 1;
test_ue->service_request_param.uplink_data_status = 0;
test_ue->service_request_param.pdu_session_status = 0;
gmmbuf = testgmm_build_service_request(
test_ue, OGS_NAS_SERVICE_TYPE_HIGH_PRIORITY_ACCESS, nasbuf);
ABTS_PTR_NOTNULL(tc, gmmbuf);
sendbuf = testngap_build_initial_ue_message(test_ue, gmmbuf, true, true);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive InitialContextSetupRequest +
* Service accept */
recvbuf = testgnb_ngap_read(ngap);
ABTS_PTR_NOTNULL(tc, recvbuf);
testngap_recv(test_ue, recvbuf);
ABTS_INT_EQUAL(tc,
NGAP_ProcedureCode_id_InitialContextSetup,
test_ue->ngap_procedure_code);
ABTS_INT_EQUAL(tc, 0x2000, test_ue->pdu_session_status);
ABTS_INT_EQUAL(tc, 0x0000, test_ue->pdu_session_reactivation_result);
/* Send GTP-U ICMP Packet */
qos_flow = test_qos_flow_find_by_qfi(sess, 1);
ogs_assert(qos_flow);
rv = test_gtpu_send_ping(gtpu, qos_flow, TEST_PING_IPV4);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send InitialContextSetupResponse */
sendbuf = testngap_build_initial_context_setup_response(test_ue, true);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive PDUSessionResourceSetupRequest +
* DL NAS transport +
* PDU session establishment accept */
recvbuf = testgnb_ngap_read(ngap);
ABTS_PTR_NOTNULL(tc, recvbuf);
testngap_recv(test_ue, recvbuf);
ABTS_INT_EQUAL(tc,
NGAP_ProcedureCode_id_PDUSessionResourceSetup,
test_ue->ngap_procedure_code);
/* Receive GTP-U ICMP Packet */
recvbuf = testgnb_gtpu_read(gtpu);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send PDUSessionResourceSetupResponse(Unsuccessful) */
sendbuf = testngap_sess_build_pdu_session_resource_failed_to_setup(
sess,
NGAP_Cause_PR_radioNetwork,
NGAP_CauseRadioNetwork_multiple_PDU_session_ID_instances);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send GTP-U ICMP Packet */
rv = test_gtpu_send_ping(gtpu, qos_flow, TEST_PING_IPV4);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive GTP-U ICMP Packet */
recvbuf = testgnb_gtpu_read(gtpu);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Receive UEContextReleaseCommand */
recvbuf = testgnb_ngap_read(ngap);
ABTS_PTR_NOTNULL(tc, recvbuf);
testngap_recv(test_ue, recvbuf);
ABTS_INT_EQUAL(tc,
NGAP_ProcedureCode_id_UEContextRelease,
test_ue->ngap_procedure_code);
/* Send UEContextReleaseComplete */
sendbuf = testngap_build_ue_context_release_complete(test_ue);
ABTS_PTR_NOTNULL(tc, sendbuf);
rv = testgnb_ngap_send(ngap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
ogs_msleep(300);
/********** Remove Subscriber in Database */
ABTS_INT_EQUAL(tc, OGS_OK, test_db_remove_ue(test_ue));
/* gNB disonncect from UPF */
testgnb_gtpu_close(gtpu);
/* gNB disonncect from AMF */
testgnb_ngap_close(ngap);
/* Clear Test UE Context */
test_ue_remove(test_ue);
}
static void cm_idle_error_indication_func(abts_case *tc, void *data)
{
int rv;
@ -2935,6 +3278,7 @@ abts_suite *test_paging(abts_suite *suite)
suite = ADD_SUITE(suite)
abts_run_test(suite, cm_idle_paging_func, NULL);
abts_run_test(suite, cm_connected_paging_func, NULL);
abts_run_test(suite, cm_idle_error_indication_func, NULL);
abts_run_test(suite, cm_connected_error_indication_func, NULL);
abts_run_test(suite, vonr_qos_flow_test1_func, NULL);