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Implementation of RRC NR_Paging message at gNB

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This commit is contained in:
luis_pereira87
2022-12-20 15:37:26 +01:00
committed by laurent
parent cfe698eb70
commit 44d309a69d
19 changed files with 463 additions and 15 deletions
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openair2/F1AP/f1ap_cu_paging.c
+93 -3
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@@ -19,8 +19,8 @@
* contact@openairinterface.org
*/
/*! \file f1ap_du_interface_management.h
* \brief f1ap interface management for DU
/*! \file f1ap_cu_paging.c
* \brief f1ap interface paging for CU
* \author EURECOM/NTUST
* \date 2018
* \version 0.1
@@ -28,4 +28,94 @@
* \email: navid.nikaein@eurecom.fr, bing-kai.hong@eurecom.fr
* \note
* \warning
*/
*/
#include "f1ap_common.h"
#include "f1ap_encoder.h"
#include "f1ap_itti_messaging.h"
#include "f1ap_cu_paging.h"
extern f1ap_setup_req_t *f1ap_du_data_from_du;
int CU_send_Paging(instance_t instance, f1ap_paging_ind_t *paging) {
F1AP_F1AP_PDU_t pdu;
F1AP_Paging_t *out;
F1AP_PagingIEs_t *ie;
uint8_t *buffer;
uint32_t len;
memset(&pdu, 0, sizeof(pdu));
pdu.present = F1AP_F1AP_PDU_PR_initiatingMessage;
pdu.choice.initiatingMessage = (F1AP_InitiatingMessage_t *)calloc(1, sizeof(F1AP_InitiatingMessage_t));
pdu.choice.initiatingMessage->procedureCode = F1AP_ProcedureCode_id_Paging;
pdu.choice.initiatingMessage->criticality = F1AP_Criticality_reject;
pdu.choice.initiatingMessage->value.present = F1AP_InitiatingMessage__value_PR_Paging;
out = &pdu.choice.initiatingMessage->value.choice.Paging;
/* mandatory */
/* UEIdentityIndexValue */
ie = (F1AP_PagingIEs_t *)calloc(1, sizeof(F1AP_PagingIEs_t));
ie->id = F1AP_ProtocolIE_ID_id_UEIdentityIndexValue;
ie->criticality = F1AP_Criticality_reject;
ie->value.present = F1AP_PagingIEs__value_PR_UEIdentityIndexValue;
ie->value.choice.UEIdentityIndexValue.present = F1AP_UEIdentityIndexValue_PR_indexLength10;
UEIDENTITYINDEX_TO_BIT_STRING(paging->ueidentityindexvalue, &ie->value.choice.UEIdentityIndexValue.choice.indexLength10);
//LOG_D(F1AP, "indexLength10 %d \n", BIT_STRING_to_uint32(&ie->value.choice.UEIdentityIndexValue.choice.indexLength10));
ASN_SEQUENCE_ADD(&out->protocolIEs.list, ie);
/* mandatory */
/* PagingIdentity */
ie = (F1AP_PagingIEs_t *)calloc(1, sizeof(F1AP_PagingIEs_t));
ie->id = F1AP_ProtocolIE_ID_id_PagingIdentity;
ie->criticality = F1AP_Criticality_reject;
ie->value.present = F1AP_PagingIEs__value_PR_PagingIdentity;
ie->value.choice.PagingIdentity.present = F1AP_PagingIdentity_PR_cNUEPagingIdentity;
ie->value.choice.PagingIdentity.choice.cNUEPagingIdentity = (F1AP_CNUEPagingIdentity_t*)calloc(1, sizeof(F1AP_CNUEPagingIdentity_t));
ie->value.choice.PagingIdentity.choice.cNUEPagingIdentity->present = F1AP_CNUEPagingIdentity_PR_fiveG_S_TMSI;
FIVEG_S_TMSI_TO_BIT_STRING(paging->fiveg_s_tmsi,
&ie->value.choice.PagingIdentity.choice.cNUEPagingIdentity->choice.fiveG_S_TMSI);
ASN_SEQUENCE_ADD(&out->protocolIEs.list, ie);
/* optional */
/* PagingDRX */
ie = (F1AP_PagingIEs_t *)calloc(1, sizeof(F1AP_PagingIEs_t));
ie->id = F1AP_ProtocolIE_ID_id_PagingDRX;
ie->criticality = F1AP_Criticality_ignore;
ie->value.present = F1AP_PagingIEs__value_PR_PagingDRX;
ie->value.choice.PagingDRX = paging->paging_drx;
ASN_SEQUENCE_ADD(&out->protocolIEs.list, ie);
/* mandatory */
/* PagingCell_list */
ie = (F1AP_PagingIEs_t *)calloc(1, sizeof(F1AP_PagingIEs_t));
ie->id = F1AP_ProtocolIE_ID_id_PagingCell_List;
ie->criticality = F1AP_Criticality_reject;
ie->value.present = F1AP_PagingIEs__value_PR_PagingCell_list;
F1AP_PagingCell_ItemIEs_t *itemies;
F1AP_PagingCell_Item_t item;
memset((void *)&item, 0, sizeof(F1AP_PagingCell_Item_t));
itemies = (F1AP_PagingCell_ItemIEs_t *)calloc(1, sizeof(F1AP_PagingCell_ItemIEs_t));
itemies->id = F1AP_ProtocolIE_ID_id_PagingCell_Item;
itemies->criticality = F1AP_Criticality_reject;
itemies->value.present = F1AP_PagingCell_ItemIEs__value_PR_PagingCell_Item;
F1AP_NRCGI_t nRCGI;
MCC_MNC_TO_PLMNID(paging->mcc,
paging->mnc,
paging->mnc_digit_length,
&nRCGI.pLMN_Identity);
NR_CELL_ID_TO_BIT_STRING(paging->nr_cellid, &nRCGI.nRCellIdentity);
item.nRCGI = nRCGI;
itemies->value.choice.PagingCell_Item = item;
ASN_SEQUENCE_ADD(&ie->value.choice.PagingCell_list, itemies);
ASN_SEQUENCE_ADD(&out->protocolIEs.list, ie);
/* encode */
if (f1ap_encode_pdu(&pdu, &buffer, &len) < 0) {
LOG_E(F1AP, "Failed to encode F1 Paging failure\n");
return -1;
}
f1ap_itti_send_sctp_data_req(true, instance, buffer, len, 0);
return 0;
}