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update: Cause of UEContextReleaseCommand (#789) 

When AMF receives UEContextReleaseRequest,
AMF sends UEContextReleaseCommand with Cause received from gNB.
This commit is contained in:
Sukchan Lee 2021-02-17 12:19:20 -05:00
parent b6bcbac3e3
commit d1400897e0
3 changed files with 18 additions and 4 deletions
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6
src/amf/context.h
View File

@ -392,6 +392,12 @@ struct amf_ue_s {
/* UE Radio Capability */
OCTET_STRING_t ueRadioCapability;
/* UEContextReleaseRequest or InitialContextSetupFailure */
struct {
NGAP_Cause_PR group;
long cause;
} deactivation;
/* Handover Info */
struct {
NGAP_HandoverType_t type;

10
src/amf/ngap-handler.c
View File

@ -980,6 +980,9 @@ void ngap_handle_initial_context_setup_failure(
if (amf_ue) {
old_xact_count = amf_sess_xact_count(amf_ue);
amf_ue->deactivation.group = NGAP_Cause_PR_nas;
amf_ue->deactivation.cause = NGAP_CauseNas_normal_release;
amf_sbi_send_deactivate_all_sessions(
amf_ue, AMF_UPDATE_SM_CONTEXT_DEACTIVATED,
Cause->present, (int)Cause->choice.radioNetwork);
@ -1109,11 +1112,14 @@ void ngap_handle_ue_context_release_request(
ogs_error("Cannot find AMF-UE Context [%lld]",
(long long)amf_ue_ngap_id);
ngap_send_ran_ue_context_release_command(ran_ue,
NGAP_Cause_PR_nas, NGAP_CauseNas_normal_release,
Cause->present, (int)Cause->choice.radioNetwork,
NGAP_UE_CTX_REL_NG_CONTEXT_REMOVE, 0);
} else {
int xact_count = amf_sess_xact_count(amf_ue);
amf_ue->deactivation.group = Cause->present;
amf_ue->deactivation.cause = (int)Cause->choice.radioNetwork;
if (!PDUSessionList) {
amf_sbi_send_deactivate_all_sessions(
amf_ue, AMF_UPDATE_SM_CONTEXT_DEACTIVATED,
@ -1152,7 +1158,7 @@ void ngap_handle_ue_context_release_request(
if (amf_sess_xact_count(amf_ue) == xact_count)
ngap_send_amf_ue_context_release_command(amf_ue,
NGAP_Cause_PR_nas, NGAP_CauseNas_normal_release,
Cause->present, (int)Cause->choice.radioNetwork,
NGAP_UE_CTX_REL_NG_REMOVE_AND_UNLINK, 0);
}
}

6
src/amf/nsmf-handler.c
View File

@ -346,9 +346,11 @@ int amf_nsmf_pdusession_handle_update_sm_context(
*/
if (SESSION_SYNC_DONE(amf_ue, state)) {
ogs_assert(amf_ue->deactivation.group);
ngap_send_amf_ue_context_release_command(amf_ue,
NGAP_Cause_PR_nas, NGAP_CauseNas_normal_release,
NGAP_UE_CTX_REL_NG_REMOVE_AND_UNLINK, 0);
amf_ue->deactivation.group, amf_ue->deactivation.cause,
NGAP_UE_CTX_REL_NG_REMOVE_AND_UNLINK, 0);
}
} else if (state == AMF_UPDATE_SM_CONTEXT_REGISTRATION_REQUEST) {