98 lines
3.3 KiB
C
98 lines
3.3 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file f1ap_du_interface_management.h
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* \brief f1ap interface management for DU
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* \author EURECOM/NTUST
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* \date 2018
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* \version 0.1
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* \company Eurecom
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* \email: navid.nikaein@eurecom.fr, bing-kai.hong@eurecom.fr
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* \note
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* \warning
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*/
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#include "f1ap_common.h"
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#include "f1ap_du_paging.h"
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#include "conversions.h"
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#include "oai_asn1.h"
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#include "openair2/RRC/LTE/rrc_proto.h"
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int DU_handle_Paging(instance_t instance,
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uint32_t assoc_id,
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uint32_t stream,
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F1AP_F1AP_PDU_t *pdu) {
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F1AP_Paging_t *paging;
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F1AP_PagingIEs_t *ie;
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long tmsi;
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uint8_t pagingdrx;
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uint8_t *fiveg_tmsi_buf = NULL;
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DevAssert(pdu);
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if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
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xer_fprint(stdout, &asn_DEF_F1AP_F1AP_PDU, pdu);
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}
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paging = &pdu->choice.initiatingMessage->value.choice.Paging;
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// get UEIdentityIndexValue
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F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_PagingIEs_t, ie, paging,
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F1AP_ProtocolIE_ID_id_UEIdentityIndexValue, true);
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LOG_D(F1AP, "indexLength10 %d\n", BIT_STRING_to_uint32(&ie->value.choice.UEIdentityIndexValue.choice.indexLength10));
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// get PagingIdentity
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F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_PagingIEs_t, ie, paging,
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F1AP_ProtocolIE_ID_id_PagingIdentity, true);
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if(ie != NULL){
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fiveg_tmsi_buf = ie->value.choice.PagingIdentity.choice.cNUEPagingIdentity->choice.fiveG_S_TMSI.buf;
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tmsi = ((long)fiveg_tmsi_buf[0] << 40) +
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((long)fiveg_tmsi_buf[1] << 32) +
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(fiveg_tmsi_buf[2] << 24) +
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(fiveg_tmsi_buf[3] << 16) +
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(fiveg_tmsi_buf[4] << 8) +
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fiveg_tmsi_buf[5];
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LOG_D(F1AP, "tmsi %ld\n", tmsi);
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}
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// get PagingDRX
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F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_PagingIEs_t, ie, paging,
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F1AP_ProtocolIE_ID_id_PagingDRX, true);
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if(ie != NULL) {
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pagingdrx = (uint8_t)ie->value.choice.PagingDRX;
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}
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LOG_D(F1AP, "pagingdrx %u\n", pagingdrx);
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// get PagingCell_List
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F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_PagingIEs_t, ie, paging,
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F1AP_ProtocolIE_ID_id_PagingCell_List, true);
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for (uint8_t CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
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rrc_gNB_generate_pcch_msg((uint32_t)tmsi, pagingdrx, instance, CC_id);
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}
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return 0;
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}
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