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[CSFB] Add MO in Active-mode

This commit is contained in:
Sukchan Lee 2019-07-10 22:04:52 +09:00
parent 9dbca85c1f
commit d9b7e966e1
13 changed files with 780 additions and 105 deletions
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29
src/mme/emm-sm.c
View File

@ -347,6 +347,7 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
}
if (procedureCode == S1AP_ProcedureCode_id_initialUEMessage) {
ogs_debug(" Initial UE Message");
if (mme_ue->nas_eps.service.service_type ==
NAS_SERVICE_TYPE_CS_FALLBACK_FROM_UE ||
mme_ue->nas_eps.service.service_type ==
@ -368,12 +369,34 @@ static void common_register_state(ogs_fsm_t *s, mme_event_t *e)
OGS_FSM_TRAN(s, &emm_state_exception);
return;
}
ogs_debug(" Iniital UE Message");
rv = s1ap_send_initial_context_setup_request(mme_ue);
ogs_assert(rv == OGS_OK);
} else if (procedureCode == S1AP_ProcedureCode_id_uplinkNASTransport) {
ogs_error(" Uplink NAS Transport : Not Implemented");
ogs_assert_if_reached();
ogs_debug(" Uplink NAS Transport");
if (mme_ue->nas_eps.service.service_type ==
NAS_SERVICE_TYPE_CS_FALLBACK_FROM_UE ||
mme_ue->nas_eps.service.service_type ==
NAS_SERVICE_TYPE_CS_FALLBACK_EMERGENCY_CALL_FROM_UE) {
ogs_debug(" MO-CSFB-INDICATION[%d]",
mme_ue->nas_eps.service.service_type);
sgsap_send_mo_csfb_indication(mme_ue);
} else if (mme_ue->nas_eps.service.service_type ==
NAS_SERVICE_TYPE_CS_FALLBACK_TO_UE) {
ogs_debug(" SERVICE_REQUEST[%d]",
mme_ue->nas_eps.service.service_type);
sgsap_send_service_request(mme_ue, SGSAP_EMM_CONNECTED_MODE);
} else {
ogs_warn(" Unknown CSFB Service Type[%d]",
mme_ue->nas_eps.service.service_type);
rv = nas_send_service_reject(mme_ue,
EMM_CAUSE_UE_IDENTITY_CANNOT_BE_DERIVED_BY_THE_NETWORK);
ogs_assert(rv == OGS_OK);
OGS_FSM_TRAN(s, &emm_state_exception);
return;
}
rv = s1ap_send_ue_context_modification_request(mme_ue);
ogs_assert(rv == OGS_OK);
} else {
ogs_fatal("Invalid Procedure Code[%d]", (int)procedureCode);
ogs_assert_if_reached();

309
src/mme/s1ap-build.c
View File

@ -559,6 +559,236 @@ int s1ap_build_initial_context_setup_request(
return OGS_OK;
}
int s1ap_build_ue_context_modification_request(
ogs_pkbuf_t **s1apbuf, mme_ue_t *mme_ue)
{
int rv;
S1AP_S1AP_PDU_t pdu;
S1AP_InitiatingMessage_t *initiatingMessage = NULL;
S1AP_UEContextModificationRequest_t *UEContextModificationRequest = NULL;
S1AP_UEContextModificationRequestIEs_t *ie = NULL;
S1AP_MME_UE_S1AP_ID_t *MME_UE_S1AP_ID = NULL;
S1AP_ENB_UE_S1AP_ID_t *ENB_UE_S1AP_ID = NULL;
S1AP_UESecurityCapabilities_t *UESecurityCapabilities = NULL;
S1AP_SecurityKey_t *SecurityKey = NULL;
S1AP_CSFallbackIndicator_t *CSFallbackIndicator = NULL;
S1AP_LAI_t *LAI = NULL;
enb_ue_t *enb_ue = NULL;
ogs_assert(mme_ue);
enb_ue = mme_ue->enb_ue;
ogs_assert(enb_ue);
ogs_debug("[MME] UE context modification request");
memset(&pdu, 0, sizeof (S1AP_S1AP_PDU_t));
pdu.present = S1AP_S1AP_PDU_PR_initiatingMessage;
pdu.choice.initiatingMessage =
ogs_calloc(1, sizeof(S1AP_InitiatingMessage_t));
initiatingMessage = pdu.choice.initiatingMessage;
initiatingMessage->procedureCode =
S1AP_ProcedureCode_id_UEContextModification;
initiatingMessage->criticality = S1AP_Criticality_reject;
initiatingMessage->value.present =
S1AP_InitiatingMessage__value_PR_UEContextModificationRequest;
UEContextModificationRequest =
&initiatingMessage->value.choice.UEContextModificationRequest;
ie = ogs_calloc(1, sizeof(S1AP_UEContextModificationRequestIEs_t));
ASN_SEQUENCE_ADD(&UEContextModificationRequest->protocolIEs, ie);
ie->id = S1AP_ProtocolIE_ID_id_MME_UE_S1AP_ID;
ie->criticality = S1AP_Criticality_reject;
ie->value.present =
S1AP_UEContextModificationRequestIEs__value_PR_MME_UE_S1AP_ID,
MME_UE_S1AP_ID = &ie->value.choice.MME_UE_S1AP_ID;
ie = ogs_calloc(1, sizeof(S1AP_UEContextModificationRequestIEs_t));
ASN_SEQUENCE_ADD(&UEContextModificationRequest->protocolIEs, ie);
ie->id = S1AP_ProtocolIE_ID_id_eNB_UE_S1AP_ID;
ie->criticality = S1AP_Criticality_reject;
ie->value.present =
S1AP_UEContextModificationRequestIEs__value_PR_ENB_UE_S1AP_ID,
ENB_UE_S1AP_ID = &ie->value.choice.ENB_UE_S1AP_ID;
ie = ogs_calloc(1, sizeof(S1AP_UEContextModificationRequestIEs_t));
ASN_SEQUENCE_ADD(&UEContextModificationRequest->protocolIEs, ie);
ie->id = S1AP_ProtocolIE_ID_id_UESecurityCapabilities;
ie->criticality = S1AP_Criticality_reject;
ie->value.present =
S1AP_UEContextModificationRequestIEs__value_PR_UESecurityCapabilities,
UESecurityCapabilities = &ie->value.choice.UESecurityCapabilities;
ie = ogs_calloc(1, sizeof(S1AP_UEContextModificationRequestIEs_t));
ASN_SEQUENCE_ADD(&UEContextModificationRequest->protocolIEs, ie);
ie->id = S1AP_ProtocolIE_ID_id_SecurityKey;
ie->criticality = S1AP_Criticality_reject;
ie->value.present =
S1AP_UEContextModificationRequestIEs__value_PR_SecurityKey,
SecurityKey = &ie->value.choice.SecurityKey;
ogs_debug(" ENB_UE_S1AP_ID[%d] MME_UE_S1AP_ID[%d]",
enb_ue->enb_ue_s1ap_id, enb_ue->mme_ue_s1ap_id);
*MME_UE_S1AP_ID = enb_ue->mme_ue_s1ap_id;
*ENB_UE_S1AP_ID = enb_ue->enb_ue_s1ap_id;
UESecurityCapabilities->encryptionAlgorithms.size = 2;
UESecurityCapabilities->encryptionAlgorithms.buf =
ogs_calloc(UESecurityCapabilities->encryptionAlgorithms.size,
sizeof(uint8_t));
UESecurityCapabilities->encryptionAlgorithms.bits_unused = 0;
UESecurityCapabilities->encryptionAlgorithms.buf[0] =
(mme_ue->ue_network_capability.eea << 1);
UESecurityCapabilities->integrityProtectionAlgorithms.size = 2;
UESecurityCapabilities->integrityProtectionAlgorithms.buf =
ogs_calloc(UESecurityCapabilities->
integrityProtectionAlgorithms.size, sizeof(uint8_t));
UESecurityCapabilities->integrityProtectionAlgorithms.bits_unused = 0;
UESecurityCapabilities->integrityProtectionAlgorithms.buf[0] =
(mme_ue->ue_network_capability.eia << 1);
SecurityKey->size = OGS_SHA256_DIGEST_SIZE;
SecurityKey->buf =
ogs_calloc(SecurityKey->size, sizeof(uint8_t));
SecurityKey->bits_unused = 0;
memcpy(SecurityKey->buf, mme_ue->kenb, SecurityKey->size);
ie = ogs_calloc(1, sizeof(S1AP_UEContextModificationRequestIEs_t));
ASN_SEQUENCE_ADD(&UEContextModificationRequest->protocolIEs, ie);
ie->id = S1AP_ProtocolIE_ID_id_CSFallbackIndicator;
ie->criticality = S1AP_Criticality_reject;
ie->value.present =
S1AP_UEContextModificationRequestIEs__value_PR_CSFallbackIndicator;
CSFallbackIndicator = &ie->value.choice.CSFallbackIndicator;
ogs_assert(CSFallbackIndicator);
*CSFallbackIndicator = S1AP_CSFallbackIndicator_cs_fallback_required;
ie = ogs_calloc(1, sizeof(S1AP_UEContextModificationRequestIEs_t));
ASN_SEQUENCE_ADD(&UEContextModificationRequest->protocolIEs, ie);
ie->id = S1AP_ProtocolIE_ID_id_RegisteredLAI;
ie->criticality = S1AP_Criticality_ignore;
ie->value.present =
S1AP_UEContextModificationRequestIEs__value_PR_LAI;
LAI = &ie->value.choice.LAI;
ogs_assert(LAI);
s1ap_buffer_to_OCTET_STRING(&mme_ue->tai.plmn_id, sizeof(plmn_id_t),
&LAI->pLMNidentity);
ogs_assert(mme_ue->vlr);
ogs_assert(mme_ue->p_tmsi);
s1ap_uint16_to_OCTET_STRING(mme_ue->vlr->lai.lac, &LAI->lAC);
rv = s1ap_encode_pdu(s1apbuf, &pdu);
s1ap_free_pdu(&pdu);
if (rv != OGS_OK) {
ogs_error("s1ap_encode_pdu() failed");
return OGS_ERROR;
}
return OGS_OK;
}
int s1ap_build_ue_context_release_command(
ogs_pkbuf_t **s1apbuf, enb_ue_t *enb_ue, S1AP_Cause_PR group, long cause)
{
int rv;
S1AP_S1AP_PDU_t pdu;
S1AP_InitiatingMessage_t *initiatingMessage = NULL;
S1AP_UEContextReleaseCommand_t *UEContextReleaseCommand = NULL;
S1AP_UEContextReleaseCommand_IEs_t *ie = NULL;
S1AP_UE_S1AP_IDs_t *UE_S1AP_IDs = NULL;
S1AP_Cause_t *Cause = NULL;
ogs_assert(enb_ue);
if (enb_ue->mme_ue_s1ap_id == 0) {
ogs_error("invalid mme ue s1ap id");
return OGS_ERROR;
}
memset(&pdu, 0, sizeof (S1AP_S1AP_PDU_t));
pdu.present = S1AP_S1AP_PDU_PR_initiatingMessage;
pdu.choice.initiatingMessage =
ogs_calloc(1, sizeof(S1AP_InitiatingMessage_t));
initiatingMessage = pdu.choice.initiatingMessage;
initiatingMessage->procedureCode = S1AP_ProcedureCode_id_UEContextRelease;
initiatingMessage->criticality = S1AP_Criticality_reject;
initiatingMessage->value.present =
S1AP_InitiatingMessage__value_PR_UEContextReleaseCommand;
UEContextReleaseCommand =
&initiatingMessage->value.choice.UEContextReleaseCommand;
ie = ogs_calloc(1, sizeof(S1AP_UEContextReleaseCommand_IEs_t));
ASN_SEQUENCE_ADD(&UEContextReleaseCommand->protocolIEs, ie);
ie->id = S1AP_ProtocolIE_ID_id_UE_S1AP_IDs;
ie->criticality = S1AP_Criticality_reject;
ie->value.present = S1AP_UEContextReleaseCommand_IEs__value_PR_UE_S1AP_IDs;
UE_S1AP_IDs = &ie->value.choice.UE_S1AP_IDs;
ie = ogs_calloc(1, sizeof(S1AP_UEContextReleaseCommand_IEs_t));
ASN_SEQUENCE_ADD(&UEContextReleaseCommand->protocolIEs, ie);
ie->id = S1AP_ProtocolIE_ID_id_Cause;
ie->criticality = S1AP_Criticality_ignore;
ie->value.present = S1AP_UEContextReleaseCommand_IEs__value_PR_Cause;
Cause = &ie->value.choice.Cause;
if (enb_ue->enb_ue_s1ap_id == INVALID_UE_S1AP_ID) {
UE_S1AP_IDs->present = S1AP_UE_S1AP_IDs_PR_mME_UE_S1AP_ID;
UE_S1AP_IDs->choice.mME_UE_S1AP_ID = enb_ue->mme_ue_s1ap_id;
} else {
UE_S1AP_IDs->present = S1AP_UE_S1AP_IDs_PR_uE_S1AP_ID_pair;
UE_S1AP_IDs->choice.uE_S1AP_ID_pair =
ogs_calloc(1, sizeof(S1AP_UE_S1AP_ID_pair_t));
UE_S1AP_IDs->choice.uE_S1AP_ID_pair->mME_UE_S1AP_ID =
enb_ue->mme_ue_s1ap_id;
UE_S1AP_IDs->choice.uE_S1AP_ID_pair->eNB_UE_S1AP_ID =
enb_ue->enb_ue_s1ap_id;
}
Cause->present = group;
Cause->choice.radioNetwork = cause;
rv = s1ap_encode_pdu(s1apbuf, &pdu);
s1ap_free_pdu(&pdu);
if (rv != OGS_OK) {
ogs_error("s1ap_encode_pdu() failed");
return OGS_ERROR;
}
return OGS_OK;
}
int s1ap_build_e_rab_setup_request(
ogs_pkbuf_t **s1apbuf, mme_bearer_t *bearer, ogs_pkbuf_t *esmbuf)
{
@ -986,85 +1216,6 @@ int s1ap_build_e_rab_release_command(ogs_pkbuf_t **s1apbuf,
return OGS_OK;
}
int s1ap_build_ue_context_release_command(
ogs_pkbuf_t **s1apbuf, enb_ue_t *enb_ue, S1AP_Cause_PR group, long cause)
{
int rv;
S1AP_S1AP_PDU_t pdu;
S1AP_InitiatingMessage_t *initiatingMessage = NULL;
S1AP_UEContextReleaseCommand_t *UEContextReleaseCommand = NULL;
S1AP_UEContextReleaseCommand_IEs_t *ie = NULL;
S1AP_UE_S1AP_IDs_t *UE_S1AP_IDs = NULL;
S1AP_Cause_t *Cause = NULL;
ogs_assert(enb_ue);
if (enb_ue->mme_ue_s1ap_id == 0) {
ogs_error("invalid mme ue s1ap id");
return OGS_ERROR;
}
memset(&pdu, 0, sizeof (S1AP_S1AP_PDU_t));
pdu.present = S1AP_S1AP_PDU_PR_initiatingMessage;
pdu.choice.initiatingMessage =
ogs_calloc(1, sizeof(S1AP_InitiatingMessage_t));
initiatingMessage = pdu.choice.initiatingMessage;
initiatingMessage->procedureCode = S1AP_ProcedureCode_id_UEContextRelease;
initiatingMessage->criticality = S1AP_Criticality_reject;
initiatingMessage->value.present =
S1AP_InitiatingMessage__value_PR_UEContextReleaseCommand;
UEContextReleaseCommand =
&initiatingMessage->value.choice.UEContextReleaseCommand;
ie = ogs_calloc(1, sizeof(S1AP_UEContextReleaseCommand_IEs_t));
ASN_SEQUENCE_ADD(&UEContextReleaseCommand->protocolIEs, ie);
ie->id = S1AP_ProtocolIE_ID_id_UE_S1AP_IDs;
ie->criticality = S1AP_Criticality_reject;
ie->value.present = S1AP_UEContextReleaseCommand_IEs__value_PR_UE_S1AP_IDs;
UE_S1AP_IDs = &ie->value.choice.UE_S1AP_IDs;
ie = ogs_calloc(1, sizeof(S1AP_UEContextReleaseCommand_IEs_t));
ASN_SEQUENCE_ADD(&UEContextReleaseCommand->protocolIEs, ie);
ie->id = S1AP_ProtocolIE_ID_id_Cause;
ie->criticality = S1AP_Criticality_ignore;
ie->value.present = S1AP_UEContextReleaseCommand_IEs__value_PR_Cause;
Cause = &ie->value.choice.Cause;
if (enb_ue->enb_ue_s1ap_id == INVALID_UE_S1AP_ID) {
UE_S1AP_IDs->present = S1AP_UE_S1AP_IDs_PR_mME_UE_S1AP_ID;
UE_S1AP_IDs->choice.mME_UE_S1AP_ID = enb_ue->mme_ue_s1ap_id;
} else {
UE_S1AP_IDs->present = S1AP_UE_S1AP_IDs_PR_uE_S1AP_ID_pair;
UE_S1AP_IDs->choice.uE_S1AP_ID_pair =
ogs_calloc(1, sizeof(S1AP_UE_S1AP_ID_pair_t));
UE_S1AP_IDs->choice.uE_S1AP_ID_pair->mME_UE_S1AP_ID =
enb_ue->mme_ue_s1ap_id;
UE_S1AP_IDs->choice.uE_S1AP_ID_pair->eNB_UE_S1AP_ID =
enb_ue->enb_ue_s1ap_id;
}
Cause->present = group;
Cause->choice.radioNetwork = cause;
rv = s1ap_encode_pdu(s1apbuf, &pdu);
s1ap_free_pdu(&pdu);
if (rv != OGS_OK) {
ogs_error("s1ap_encode_pdu() failed");
return OGS_ERROR;
}
return OGS_OK;
}
int s1ap_build_paging(ogs_pkbuf_t **s1apbuf,
mme_ue_t *mme_ue, S1AP_CNDomain_t cn_domain)
{

10
src/mme/s1ap-build.h
View File

@ -32,18 +32,24 @@ extern "C" {
int s1ap_build_setup_rsp(ogs_pkbuf_t **pkbuf);
int s1ap_build_setup_failure(
ogs_pkbuf_t **pkbuf, S1AP_Cause_PR group, long cause, long time_to_wait);
int s1ap_build_downlink_nas_transport(
ogs_pkbuf_t **s1apbuf, enb_ue_t *enb_ue, ogs_pkbuf_t *emmbuf);
int s1ap_build_initial_context_setup_request(
ogs_pkbuf_t **s1apbuf, mme_ue_t *mme_ue, ogs_pkbuf_t *emmbuf);
int s1ap_build_ue_context_modification_request(
ogs_pkbuf_t **s1apbuf, mme_ue_t *mme_ue);
int s1ap_build_ue_context_release_command(
ogs_pkbuf_t **s1apbuf, enb_ue_t *enb_ue, S1AP_Cause_PR group, long cause);
int s1ap_build_e_rab_setup_request(
ogs_pkbuf_t **s1apbuf, mme_bearer_t *bearer, ogs_pkbuf_t *esmbuf);
int s1ap_build_e_rab_modify_request(
ogs_pkbuf_t **s1apbuf, mme_bearer_t *bearer, ogs_pkbuf_t *esmbuf);
int s1ap_build_e_rab_release_command(ogs_pkbuf_t **s1apbuf,
mme_bearer_t *bearer, ogs_pkbuf_t *esmbuf, S1AP_Cause_PR group, long cause);
int s1ap_build_ue_context_release_command(
ogs_pkbuf_t **s1apbuf, enb_ue_t *enb_ue, S1AP_Cause_PR group, long cause);
int s1ap_build_paging(ogs_pkbuf_t **s1apbuf,
mme_ue_t *mme_ue, S1AP_CNDomain_t cn_domain);

117
src/mme/s1ap-handler.c
View File

@ -567,8 +567,8 @@ void s1ap_handle_initial_context_setup_failure(
enb_ue = enb_ue_find_by_enb_ue_s1ap_id(enb, *ENB_UE_S1AP_ID);
if (enb_ue == NULL) {
ogs_warn("Initial context setup failure : cannot find eNB-UE-S1AP-ID[%d]",
(int)*ENB_UE_S1AP_ID);
ogs_warn("Initial context setup failure : "
"cannot find eNB-UE-S1AP-ID[%d]", (int)*ENB_UE_S1AP_ID);
return;
}
mme_ue = enb_ue->mme_ue;
@ -600,6 +600,119 @@ void s1ap_handle_initial_context_setup_failure(
}
}
void s1ap_handle_ue_context_modification_response(
mme_enb_t *enb, s1ap_message_t *message)
{
char buf[OGS_ADDRSTRLEN];
int i;
S1AP_SuccessfulOutcome_t *successfulOutcome = NULL;
S1AP_UEContextModificationResponse_t *UEContextModificationResponse = NULL;
S1AP_UEContextModificationResponseIEs_t *ie = NULL;
S1AP_ENB_UE_S1AP_ID_t *ENB_UE_S1AP_ID = NULL;
mme_ue_t *mme_ue = NULL;
enb_ue_t *enb_ue = NULL;
ogs_assert(enb);
ogs_assert(enb->sock);
ogs_assert(message);
successfulOutcome = message->choice.successfulOutcome;
ogs_assert(successfulOutcome);
UEContextModificationResponse =
&successfulOutcome->value.choice.UEContextModificationResponse;
ogs_assert(UEContextModificationResponse);
ogs_debug("[MME] UE context modification response");
for (i = 0; i < UEContextModificationResponse->protocolIEs.list.count; i++) {
ie = UEContextModificationResponse->protocolIEs.list.array[i];
switch (ie->id) {
case S1AP_ProtocolIE_ID_id_eNB_UE_S1AP_ID:
ENB_UE_S1AP_ID = &ie->value.choice.ENB_UE_S1AP_ID;
break;
default:
break;
}
}
ogs_debug(" IP[%s] ENB_ID[%d]",
OGS_ADDR(enb->addr, buf), enb->enb_id);
ogs_assert(ENB_UE_S1AP_ID);
enb_ue = enb_ue_find_by_enb_ue_s1ap_id(enb, *ENB_UE_S1AP_ID);
ogs_assert(enb_ue);
mme_ue = enb_ue->mme_ue;
ogs_assert(mme_ue);
ogs_debug(" ENB_UE_S1AP_ID[%d] MME_UE_S1AP_ID[%d]",
enb_ue->enb_ue_s1ap_id, enb_ue->mme_ue_s1ap_id);
}
void s1ap_handle_ue_context_modification_failure(
mme_enb_t *enb, s1ap_message_t *message)
{
char buf[OGS_ADDRSTRLEN];
int i;
S1AP_UnsuccessfulOutcome_t *unsuccessfulOutcome = NULL;
S1AP_UEContextModificationFailure_t *UEContextModificationFailure = NULL;
S1AP_UEContextModificationFailureIEs_t *ie = NULL;
S1AP_ENB_UE_S1AP_ID_t *ENB_UE_S1AP_ID = NULL;
S1AP_Cause_t *Cause = NULL;
enb_ue_t *enb_ue = NULL;
ogs_assert(enb);
ogs_assert(enb->sock);
ogs_assert(message);
unsuccessfulOutcome = message->choice.unsuccessfulOutcome;
ogs_assert(unsuccessfulOutcome);
UEContextModificationFailure =
&unsuccessfulOutcome->value.choice.UEContextModificationFailure;
ogs_assert(UEContextModificationFailure);
ogs_warn("[MME] UE context modification failure");
for (i = 0; i < UEContextModificationFailure->protocolIEs.list.count; i++) {
ie = UEContextModificationFailure->protocolIEs.list.array[i];
switch (ie->id) {
case S1AP_ProtocolIE_ID_id_eNB_UE_S1AP_ID:
ENB_UE_S1AP_ID = &ie->value.choice.ENB_UE_S1AP_ID;
break;
case S1AP_ProtocolIE_ID_id_Cause:
Cause = &ie->value.choice.Cause;
break;
default:
break;
}
}
ogs_debug(" IP[%s] ENB_ID[%d]",
OGS_ADDR(enb->addr, buf), enb->enb_id);
ogs_assert(ENB_UE_S1AP_ID);
ogs_assert(Cause);
enb_ue = enb_ue_find_by_enb_ue_s1ap_id(enb, *ENB_UE_S1AP_ID);
if (enb_ue == NULL) {
ogs_warn("Initial context setup failure : "
"cannot find eNB-UE-S1AP-ID[%d]", (int)*ENB_UE_S1AP_ID);
return;
}
ogs_debug(" ENB_UE_S1AP_ID[%d] MME_UE_S1AP_ID[%d]",
enb_ue->enb_ue_s1ap_id, enb_ue->mme_ue_s1ap_id);
ogs_debug(" Cause[Group:%d Cause:%d]",
Cause->present, (int)Cause->choice.radioNetwork);
}
void s1ap_handle_e_rab_setup_response(
mme_enb_t *enb, s1ap_message_t *message)
{

8
src/mme/s1ap-handler.h
View File

@ -40,7 +40,10 @@ void s1ap_handle_initial_context_setup_response(
mme_enb_t *enb, s1ap_message_t *message);
void s1ap_handle_initial_context_setup_failure(
mme_enb_t *enb, s1ap_message_t *message);
void s1ap_handle_e_rab_setup_response(
void s1ap_handle_ue_context_modification_response(
mme_enb_t *enb, s1ap_message_t *message);
void s1ap_handle_ue_context_modification_failure(
mme_enb_t *enb, s1ap_message_t *message);
void s1ap_handle_ue_context_release_request(
@ -48,6 +51,9 @@ void s1ap_handle_ue_context_release_request(
void s1ap_handle_ue_context_release_complete(
mme_enb_t *enb, s1ap_message_t *message);
void s1ap_handle_e_rab_setup_response(
mme_enb_t *enb, s1ap_message_t *message);
void s1ap_handle_path_switch_request(
mme_enb_t *enb, s1ap_message_t *message);

16
src/mme/s1ap-path.c
View File

@ -257,6 +257,22 @@ int s1ap_send_initial_context_setup_request(mme_ue_t *mme_ue)
return OGS_OK;
}
int s1ap_send_ue_context_modification_request(mme_ue_t *mme_ue)
{
int rv;
ogs_pkbuf_t *s1apbuf = NULL;
ogs_assert(mme_ue);
rv = s1ap_build_ue_context_modification_request(&s1apbuf, mme_ue);
ogs_assert(rv == OGS_OK && s1apbuf);
rv = nas_send_to_enb(mme_ue, s1apbuf);
ogs_assert(rv == OGS_OK);
return OGS_OK;
}
int s1ap_send_ue_context_release_command(
enb_ue_t *enb_ue, S1AP_Cause_PR group, long cause,
uint8_t action, uint32_t delay)

4
src/mme/s1ap-path.h
View File

@ -50,8 +50,8 @@ int s1ap_send_to_nas(enb_ue_t *enb_ue,
S1AP_ProcedureCode_t procedureCode, S1AP_NAS_PDU_t *nasPdu);
int s1ap_send_to_esm(mme_ue_t *mme_ue, ogs_pkbuf_t *esmbuf);
int s1ap_send_initial_context_setup_request(
mme_ue_t *mme_ue);
int s1ap_send_initial_context_setup_request(mme_ue_t *mme_ue);
int s1ap_send_ue_context_modification_request(mme_ue_t *mme_ue);
int s1ap_send_ue_context_release_command(
enb_ue_t *enb_ue, S1AP_Cause_PR group, long cause,
uint8_t action, uint32_t delay);

22
src/mme/s1ap-sm.c
View File

@ -125,20 +125,23 @@ void s1ap_state_operational(ogs_fsm_t *s, mme_event_t *e)
ogs_assert(successfulOutcome);
switch (successfulOutcome->procedureCode) {
case S1AP_ProcedureCode_id_InitialContextSetup :
case S1AP_ProcedureCode_id_InitialContextSetup:
s1ap_handle_initial_context_setup_response(enb, pdu);
break;
case S1AP_ProcedureCode_id_E_RABSetup :
s1ap_handle_e_rab_setup_response(enb, pdu);
case S1AP_ProcedureCode_id_UEContextModification:
s1ap_handle_ue_context_modification_response(enb, pdu);
break;
case S1AP_ProcedureCode_id_E_RABModify :
break;
case S1AP_ProcedureCode_id_E_RABRelease :
break;
case S1AP_ProcedureCode_id_UEContextRelease :
case S1AP_ProcedureCode_id_UEContextRelease:
s1ap_handle_ue_context_release_complete(
enb, pdu);
break;
case S1AP_ProcedureCode_id_E_RABSetup:
s1ap_handle_e_rab_setup_response(enb, pdu);
break;
case S1AP_ProcedureCode_id_E_RABModify:
break;
case S1AP_ProcedureCode_id_E_RABRelease:
break;
case S1AP_ProcedureCode_id_HandoverResourceAllocation:
s1ap_handle_handover_request_ack(enb, pdu);
break;
@ -162,6 +165,9 @@ void s1ap_state_operational(ogs_fsm_t *s, mme_event_t *e)
case S1AP_ProcedureCode_id_InitialContextSetup :
s1ap_handle_initial_context_setup_failure(enb, pdu);
break;
case S1AP_ProcedureCode_id_UEContextModification:
s1ap_handle_ue_context_modification_failure(enb, pdu);
break;
case S1AP_ProcedureCode_id_HandoverResourceAllocation :
s1ap_handle_handover_failure(enb, pdu);
break;

1
tests/Makefile.am
View File

@ -44,6 +44,7 @@ testcsfb_SOURCES = \
common/test-app.h \
csfb/abts-main.c csfb/test-app.c \
csfb/mo-idle-test.c csfb/mt-idle-test.c \
csfb/mo-active-test.c \
$(NULL)
testcsfb_LDADD = $(top_srcdir)/src/libepc.la

91
tests/common/test-packet.c
View File

@ -1145,6 +1145,70 @@ int tests1ap_build_initial_context_setup_response(
return OGS_OK;
}
int tests1ap_build_ue_context_modification_response(
ogs_pkbuf_t **pkbuf,
uint32_t mme_ue_s1ap_id, uint32_t enb_ue_s1ap_id)
{
int rv;
S1AP_S1AP_PDU_t pdu;
S1AP_SuccessfulOutcome_t *successfulOutcome = NULL;
S1AP_UEContextModificationResponse_t *UEContextModificationResponse = NULL;
ogs_sockaddr_t *addr = NULL;
S1AP_UEContextModificationResponseIEs_t *ie = NULL;
S1AP_MME_UE_S1AP_ID_t *MME_UE_S1AP_ID = NULL;
S1AP_ENB_UE_S1AP_ID_t *ENB_UE_S1AP_ID = NULL;
memset(&pdu, 0, sizeof (S1AP_S1AP_PDU_t));
pdu.present = S1AP_S1AP_PDU_PR_successfulOutcome;
pdu.choice.successfulOutcome =
ogs_calloc(1, sizeof(S1AP_SuccessfulOutcome_t));
successfulOutcome = pdu.choice.successfulOutcome;
successfulOutcome->procedureCode =
S1AP_ProcedureCode_id_UEContextModification;
successfulOutcome->criticality = S1AP_Criticality_reject;
successfulOutcome->value.present =
S1AP_SuccessfulOutcome__value_PR_UEContextModificationResponse;
UEContextModificationResponse =
&successfulOutcome->value.choice.UEContextModificationResponse;
ie = ogs_calloc(1, sizeof(S1AP_UEContextModificationResponseIEs_t));
ASN_SEQUENCE_ADD(&UEContextModificationResponse->protocolIEs, ie);
ie->id = S1AP_ProtocolIE_ID_id_MME_UE_S1AP_ID;
ie->criticality = S1AP_Criticality_ignore;
ie->value.present =
S1AP_UEContextModificationResponseIEs__value_PR_MME_UE_S1AP_ID;
MME_UE_S1AP_ID = &ie->value.choice.MME_UE_S1AP_ID;
ie = ogs_calloc(1, sizeof(S1AP_UEContextModificationResponseIEs_t));
ASN_SEQUENCE_ADD(&UEContextModificationResponse->protocolIEs, ie);
ie->id = S1AP_ProtocolIE_ID_id_eNB_UE_S1AP_ID;
ie->criticality = S1AP_Criticality_ignore;
ie->value.present =
S1AP_UEContextModificationResponseIEs__value_PR_ENB_UE_S1AP_ID;
ENB_UE_S1AP_ID = &ie->value.choice.ENB_UE_S1AP_ID;
*MME_UE_S1AP_ID = mme_ue_s1ap_id;
*ENB_UE_S1AP_ID = enb_ue_s1ap_id;
rv = s1ap_encode_pdu(pkbuf, &pdu);
s1ap_free_pdu(&pdu);
if (rv != OGS_OK) {
ogs_error("s1ap_encode_pdu() failed");
return OGS_ERROR;
}
return OGS_OK;
}
int tests1ap_build_initial_context_setup_failure(ogs_pkbuf_t **pkbuf, int i)
{
char *payload[TESTS1AP_MAX_MESSAGE] = {
@ -1761,7 +1825,9 @@ int tests1ap_build_extended_service_request(ogs_pkbuf_t **pkbuf, int i,
"000c"
"4038000005000800 020002001a00100f 17b51a57a504074c 000504e900a25200"
"4300060009f10700 07006440080009f1 0707080140008640 0130",
"",
"000d403900000500 0000020001000800 020001001a00100f 17b51a57a504074c"
"000504e900a25200 6440080009f10700 19b0100043400600 09f1070007",
"",
/* 21 */
@ -1794,7 +1860,7 @@ int tests1ap_build_extended_service_request(ogs_pkbuf_t **pkbuf, int i,
0,
60,
0,
61,
0,
/* 21 */
@ -1807,13 +1873,22 @@ int tests1ap_build_extended_service_request(ogs_pkbuf_t **pkbuf, int i,
*pkbuf = ogs_pkbuf_alloc(NULL, MAX_SDU_LEN);
ogs_pkbuf_put_data(*pkbuf,
OGS_HEX(payload[i], strlen(payload[i]), hexbuf), len[i]);
memcpy((*pkbuf)->data + 26, &service_type, sizeof service_type);
m_tmsi = htonl(m_tmsi);
memcpy((*pkbuf)->data + 29, &m_tmsi, sizeof m_tmsi);
if (i == 18) {
memcpy((*pkbuf)->data + 26, &service_type, sizeof service_type);
m_tmsi = htonl(m_tmsi);
memcpy((*pkbuf)->data + 29, &m_tmsi, sizeof m_tmsi);
snow_3g_f9(knas_int, seq, (0 << 27), 0,
(*pkbuf)->data + 23, (10 << 3),
(*pkbuf)->data + 19);
snow_3g_f9(knas_int, seq, (0 << 27), 0,
(*pkbuf)->data + 23, (10 << 3),
(*pkbuf)->data + 19);
} else if (i == 19) {
memcpy((*pkbuf)->data + 32, &service_type, sizeof service_type);
m_tmsi = htonl(m_tmsi);
memcpy((*pkbuf)->data + 35, &m_tmsi, sizeof m_tmsi);
snow_3g_f9(knas_int, seq, (0 << 27), 0,
(*pkbuf)->data + 29, (10 << 3),
(*pkbuf)->data + 25);
}
return OGS_OK;
}

3
tests/common/test-packet.h
View File

@ -67,6 +67,9 @@ int tests1ap_build_initial_context_setup_response(
ogs_pkbuf_t **pkbuf,
uint32_t mme_ue_s1ap_id, uint32_t enb_ue_s1ap_id,
uint8_t ebi, uint32_t teid, const char *ipstr);
int tests1ap_build_ue_context_modification_response(
ogs_pkbuf_t **pkbuf,
uint32_t mme_ue_s1ap_id, uint32_t enb_ue_s1ap_id);
int tests1ap_build_initial_context_setup_failure(
ogs_pkbuf_t **pkbuf, int i);
int tests1ap_build_attach_complete(ogs_pkbuf_t **pkbuf, int i);

2
tests/csfb/abts-main.c
View File

@ -31,12 +31,14 @@
abts_suite *test_mo_idle(abts_suite *suite);
abts_suite *test_mt_idle(abts_suite *suite);
abts_suite *test_mo_active(abts_suite *suite);
const struct testlist {
abts_suite *(*func)(abts_suite *suite);
} alltests[] = {
{test_mo_idle},
{test_mt_idle},
{test_mo_active},
{NULL},
};

273
tests/csfb/mo-active-test.c Normal file
View File

@ -0,0 +1,273 @@
#include <mongoc.h>
#include "core/abts.h"
#include "app/context.h"
#include "mme/mme-context.h"
#include "mme/s1ap-build.h"
#include "asn1c/s1ap-message.h"
#include "test-packet.h"
extern ogs_socknode_t *sgsap;
static void test1_func(abts_case *tc, void *data)
{
int rv;
ogs_socknode_t *s1ap;
ogs_pkbuf_t *sendbuf;
ogs_pkbuf_t *recvbuf;
s1ap_message_t message;
int i;
int msgindex = 18;
enb_ue_t *enb_ue = NULL;
mme_ue_t *mme_ue = NULL;
uint32_t m_tmsi = 0;
mongoc_collection_t *collection = NULL;
bson_t *doc = NULL;
int64_t count = 0;
bson_error_t error;
const char *json =
"{"
"\"_id\" : { \"$oid\" : \"310014158b8861d7605378c6\" }, "
"\"imsi\" : \"262420000118139\", "
"\"pdn\" : ["
"{"
"\"apn\" : \"internet\", "
"\"_id\" : { \"$oid\" : \"310014158b8861d7605378c7\" }, "
"\"ambr\" : {"
"\"uplink\" : { \"$numberLong\" : \"1000000\" }, "
"\"downlink\" : { \"$numberLong\" : \"1000000\" } "
"},"
"\"qos\" : { "
"\"qci\" : 9, "
"\"arp\" : { "
"\"priority_level\" : 8,"
"\"pre_emption_vulnerability\" : 0, "
"\"pre_emption_capability\" : 0"
"} "
"}, "
"\"type\" : 2"
"}"
"],"
"\"ambr\" : { "
"\"uplink\" : { \"$numberLong\" : \"1000000\" }, "
"\"downlink\" : { \"$numberLong\" : \"1000000\" } "
"},"
"\"subscribed_rau_tau_timer\" : 12,"
"\"network_access_mode\" : 2, "
"\"subscriber_status\" : 0, "
"\"access_restriction_data\" : 32, "
"\"security\" : { "
"\"k\" : \"70D49A71DD1A2B806A25ABE0EF749F1E\", "
"\"opc\" : \"6F1BF53D624B3A43AF6592854E2444C7\", "
"\"amf\" : \"8000\", "
"\"sqn\" : { \"$numberLong\" : \"2374\" }, "
"\"rand\" : \"aa266700bc2887354e9f87368d5d0ae7\" "
"}, "
"\"__v\" : 0 "
"}";
/* eNB connects to MME */
s1ap = testenb_s1ap_client("127.0.0.1");
ABTS_PTR_NOTNULL(tc, s1ap);
/* Send S1-Setup Reqeust */
rv = tests1ap_build_setup_req(
&sendbuf, S1AP_ENB_ID_PR_macroENB_ID, 0x0019b0, 7, 901, 70, 2);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive S1-Setup Response */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
rv = s1ap_decode_pdu(&message, recvbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
s1ap_free_pdu(&message);
ogs_pkbuf_free(recvbuf);
collection = mongoc_client_get_collection(
context_self()->db.client,
context_self()->db.name, "subscribers");
ABTS_PTR_NOTNULL(tc, collection);
/********** Insert Subscriber in Database */
doc = bson_new_from_json((const uint8_t *)json, -1, &error);;
ABTS_PTR_NOTNULL(tc, doc);
ABTS_TRUE(tc, mongoc_collection_insert(collection,
MONGOC_INSERT_NONE, doc, NULL, &error));
bson_destroy(doc);
doc = BCON_NEW("imsi", BCON_UTF8("262420000118139"));
ABTS_PTR_NOTNULL(tc, doc);
do {
count = mongoc_collection_count (
collection, MONGOC_QUERY_NONE, doc, 0, 0, NULL, &error);
} while (count == 0);
bson_destroy(doc);
/* Send Attach Request */
mme_self()->mme_ue_s1ap_id = 0;
rv = tests1ap_build_initial_ue_msg(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Identity-Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send Identity Response */
rv = tests1ap_build_identity_response(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Authentication Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send Authentication Response */
rv = tests1ap_build_authentication_response(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Security mode Command */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send Security mode Complete */
rv = tests1ap_build_security_mode_complete(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive ESM Information Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send ESM Information Response */
rv = tests1ap_build_esm_information_response(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP-Location-Update-Request */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send SGsAP-Location-Update-Accept */
rv = testsgsap_location_update_accept(&sendbuf, 0);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testvlr_sgsap_send(sgsap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive Initial Context Setup Request +
* Attach Accept +
* Activate Default Bearer Context Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send Initial Context Setup Response */
rv = tests1ap_build_initial_context_setup_response(&sendbuf,
1, 1, 5, 0x00460003, "127.0.0.5");
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send Attach Complete + Activate default EPS bearer cotext accept */
rv = tests1ap_build_attach_complete(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive EMM information */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Receive SGsAP TMSI-REALLOCATION-COMPLETE */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Retreive M-TMSI */
enb_ue = enb_ue_find_by_mme_ue_s1ap_id(1);
ogs_assert(enb_ue);
mme_ue = enb_ue->mme_ue;
ogs_assert(mme_ue);
m_tmsi = mme_ue->guti.m_tmsi;
/* Send Extended Service Request */
rv = tests1ap_build_extended_service_request(&sendbuf, msgindex+1,
0, m_tmsi, 4, mme_ue->knas_int);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive SGsAP MO-CSFB-INDICATION */
recvbuf = testvlr_sgsap_read(sgsap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Receive UE Context Modification Request */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send UE Context Modification Response */
rv = tests1ap_build_ue_context_modification_response(&sendbuf, 1, 1);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Send UE Context Release Request */
rv = tests1ap_build_ue_context_release_request(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
/* Receive UE Context Release Command */
recvbuf = testenb_s1ap_read(s1ap);
ABTS_PTR_NOTNULL(tc, recvbuf);
ogs_pkbuf_free(recvbuf);
/* Send UE Context Release Complete */
rv = tests1ap_build_ue_context_release_complete(&sendbuf, msgindex);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
rv = testenb_s1ap_send(s1ap, sendbuf);
ABTS_INT_EQUAL(tc, OGS_OK, rv);
ogs_msleep(300);
/********** Remove Subscriber in Database */
doc = BCON_NEW("imsi", BCON_UTF8("262420000118139"));
ABTS_PTR_NOTNULL(tc, doc);
ABTS_TRUE(tc, mongoc_collection_remove(collection,
MONGOC_REMOVE_SINGLE_REMOVE, doc, NULL, &error))
bson_destroy(doc);
mongoc_collection_destroy(collection);
/* eNB disonncect from MME */
testenb_s1ap_close(s1ap);
}
abts_suite *test_mo_active(abts_suite *suite)
{
suite = ADD_SUITE(suite)
abts_run_test(suite, test1_func, NULL);
return suite;
}