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[AMF] Handle N1N2MessageTransfer sess. est. reject from SMF

This commit is contained in:
mitmitmitm 2023-07-10 11:43:07 +02:00 committed by Sukchan Lee
parent a7898cb26c
commit bae6444262
1 changed files with 30 additions and 0 deletions
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30
src/amf/namf-handler.c
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@ -402,6 +402,36 @@ int amf_namf_comm_handle_n1_n2_message_transfer(
}
break;
case OpenAPI_ngap_ie_type_NULL:
/*
* No n2InfoContainer. According to TS23.502, this means that SMF has
* encountered an error and is rejecting the session.
*
* TS23.502
* 6.3.1.7 4.3.2.2 UE Requested PDU Session Establishment
* p100
* 11. ...
* If the PDU session establishment failed anywhere between step 5
* and step 11, then the Namf_Communication_N1N2MessageTransfer
* request shall include the N1 SM container with a PDU Session
* Establishment Reject message ...
*/
if (!n1buf) {
ogs_error("[%s] No N1 SM Content", amf_ue->supi);
return OGS_ERROR;
}
ogs_warn("[%d:%d] PDU session establishment reject",
sess->psi, sess->pti);
r = nas_5gs_send_gsm_reject(sess,
OGS_NAS_PAYLOAD_CONTAINER_N1_SM_INFORMATION, n1buf);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
amf_sess_remove(sess);
break;
default:
ogs_error("Not implemented ngapIeType[%d]", ngapIeType);
ogs_assert_if_reached();