#include "du_mgr.h"
#include "du_utils.h"
#include "du_cell_mgr.h"
+#include "PCCH-Config.h"
+#include "PagingUE-Identity.h"
+#include "PagingRecord.h"
+#include "PagingRecordList.h"
+#include "PagingRrc.h"
+#include "PCCH-MessageType.h"
+#include "PCCH-Message.h"
+#include "odu_common_codec.h"
#ifdef O1_ENABLE
-
+
#include "AlarmInterface.h"
-
+#include "CmInterface.h"
+
#endif
+DuMacCellDeleteReq packMacCellDeleteReqOpts[] =
+{
+ packDuMacCellDeleteReq, /* Loose coupling */
+ MacProcCellDeleteReq, /* TIght coupling */
+ packDuMacCellDeleteReq /* Light weight-loose coupling */
+};
+
+DuMacDlPcchInd packMacDlPcchIndOpts[] =
+{
+ packDuMacDlPcchInd, /* Loose coupling */
+ MacProcDlPcchInd, /* TIght coupling */
+ packDuMacDlPcchInd /* Light weight-loose coupling */
+};
+
/*******************************************************************
*
* @brief Processes cells to be activated
memset(tmpPlmn, 0, 4);
buildPlmnId(duCb.cfgCellLst[cfgIdx]->cellInfo.nrEcgi.plmn, tmpPlmn);
if(duCb.cfgCellLst[cfgIdx]->cellInfo.nrEcgi.cellId == nci &&
- (strcmp((const char*)tmpPlmn, (const char*)plmnStr) == 0))
+ (strcmp((const char*)tmpPlmn, (const char*)plmnStr) == 0))
{
- cellCb = duCb.cfgCellLst[cfgIdx];
- break;
+ cellCb = duCb.cfgCellLst[cfgIdx];
+ break;
}
else
{
- DU_LOG("\nERROR --> DU APP : No Cell found for NCI %d", nci);
- return RFAILED;
+ DU_LOG("\nERROR --> DU APP : No Cell found for NCI %d", nci);
+ return RFAILED;
}
}
cellCb->cellStatus = ACTIVATION_IN_PROGRESS;
cellCb->cellInfo.nrPci = nRPci;
- duCb.actvCellLst[duCb.numActvCells++] = cellCb;
+ if((cmHashListInit(&(cellCb->pagingInfoMap), MAX_SFN, sizeof(DuPagInfoList),\
+ FALSE, CM_HASH_KEYTYPE_CONID, DU_APP_MEM_REGION, DU_POOL)) != ROK)
+ {
+ DU_LOG("ERROR --> DU APP: Failed to Initialize the Paging Hash Map");
+ return RFAILED;
+ }
+ duCb.actvCellLst[cellCb->cellId -1] = cellCb;
+ duCb.numActvCells++;
if(duBuildAndSendMacCellCfg(cellCb->cellId) != ROK)
{
DU_LOG("\nERROR --> DU APP : macCellCfg build and send failed");
/* Delete cell from actvCellList */
- duCb.actvCellLst[--(duCb.numActvCells)] = NULLP;
+ duCb.actvCellLst[cellCb->cellId -1] = NULLP;
+ --(duCb.numActvCells);
ret = RFAILED;
}
return ret;
duCb.f1Status = TRUE; //Set F1 status as true
}
-/*******************************************************************
- *
- * @brief Handles GNB DU Cfg Update Ack received in F1AP
- *
- * @details
- *
- * Function : duProcGnbDuCfgUpdAckMsg
- *
- * Functionality:
- * - Handles GNB DU Cfg Update Ack received in F1AP
- *
- * @params[in] Pointer to F1GnbDuCfgUpdAck
- * @return void
- *
- ******************************************************************/
-void duProcGnbDuCfgUpdAckMsg()
-{
- DU_LOG("\nINFO --> DU APP: GNB-DU config update Ack received ");
-}
/*******************************************************************
*
* @brief Returns cellCb based on cell ID
uint8_t duGetCellCb(uint16_t cellId, DuCellCb **cellCb)
{
uint8_t cellIdx = 0;
- for(cellIdx=0; cellIdx<duCb.numActvCells; cellIdx++)
+
+ for(cellIdx=0; cellIdx < MAX_NUM_CELL; cellIdx++)
{
- if(duCb.actvCellLst[cellIdx]->cellId == cellId)
+ if(duCb.actvCellLst[cellIdx] && (duCb.actvCellLst[cellIdx]->cellId == cellId))
+ {
*cellCb = duCb.actvCellLst[cellIdx];
- break;
+ break;
+ }
}
if(!*cellCb)
return ROK;
}
+/******************************************************************************
+* @brief Check Paging Record for a Particular Paging Frame
+*
+* @details
+*
+* Function : checkPagingRecord
+*
+* Functionality:
+* Check Paging Record for a Particular Paging Frame
+*
+* @params[in] DuCellCb *cellCb
+*
+* @return void
+*
+*
+******************************************************************************/
+uint8_t checkPagingRecord(DuCellCb *cellCb)
+{
+ uint16_t pf = 0;
+ DuPagInfoList *pagInfoLLFromPF = NULLP;
+ DuPagUeList *pagInfo = NULLP;
+
+ /*DUAPP may send PagingReq to MAC for future SFN so that Schedular can
+ * schedule Paging on the exact occurence of the Slot.*/
+ pf = (cellCb->currSlotInfo.sfn + PAGING_SCHED_DELTA) % MAX_SFN;
+
+ pagInfoLLFromPF = findPagingInfoFromMap(pf, &(cellCb->pagingInfoMap));
+ if(pagInfoLLFromPF == NULLP)
+ {
+ /*No Page is present for pf thus exiting*/
+ return ROK;
+ }
+
+ do
+ {
+ pagInfo = handlePageInfoLL(pf, NULLD, &(pagInfoLLFromPF->pagInfoList), TRAVERSE_ALL);
+ if(pagInfo != NULLP)
+ {
+ if(BuildAndSendDlPcchIndToMac(cellCb->cellId, pf, pagInfo->i_s, &(pagInfo->pagUeList)) != ROK)
+ {
+ DU_LOG("\nERROR --> DU APP: Issue in Building Page RRC PDU i_s:%d",pagInfo->i_s);
+ return RFAILED;
+ }
+ handlePageInfoLL(pf, pagInfo->i_s, &(pagInfoLLFromPF->pagInfoList), DELETE);
+ }
+ }while(pagInfo != NULLP);
+
+ cmHashListDelete(&(cellCb->pagingInfoMap), (PTR)pagInfoLLFromPF);
+ DU_FREE(pagInfoLLFromPF, sizeof(DuPagInfoList));
+ return ROK;
+}
+
+/******************************************************************
+ *
+ * @brief Send pcch indication to MAC
+ *
+ * @details
+ *
+ * Function : sendDlPcchIndToMac
+ *
+ * Functionality: Send pcch indication to MAC
+ *
+ * @Params[in] MacPcchInd *pcchInd
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t sendDlPcchIndToMac(MacPcchInd *pcchInd)
+{
+ uint8_t ret = ROK;
+ Pst pst;
+
+ if(pcchInd)
+ {
+ /* Fill Pst */
+ FILL_PST_DUAPP_TO_MAC(pst, EVENT_MAC_DL_PCCH_IND);
+
+ DU_LOG("\nDEBUG --> DU_APP: Sending DL PCCH indication to MAC for cellId[%d]", pcchInd->cellId);
+ ret = (*packMacDlPcchIndOpts[pst.selector])(&pst, pcchInd);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\nERROR --> DU APP : sendDlPcchIndToMac(): Failed to DL PCCH indication to MAC");
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> DU_APP: sendDlPcchIndToMac(): Received pcchInd is NULLP");
+ ret = RFAILED;
+ }
+ return ret;
+}
+
+
+/*****************************************************************
+* @brief Handles slot indication from MAC
+*
+* @details
+*
+* Function : duHandleSlotInd
+*
+* Functionality:
+* Handles slot indication from MAC
+*
+* @params[in] Post structure pointer
+* SlotTimingInfo *slotIndInfo
+* @return ROK - success
+* RFAILED - failure
+*
+*
+*****************************************************************/
+uint8_t duHandleSlotInd(Pst *pst, SlotTimingInfo *slotIndInfo)
+{
+ uint8_t cellIdx = 0, ret = ROK;
+ DuCellCb *duCellCb = NULLP;
+
+ if(slotIndInfo)
+ {
+ GET_CELL_IDX(slotIndInfo->cellId, cellIdx);
+ duCellCb = duCb.actvCellLst[cellIdx];
+
+ if(duCellCb)
+ {
+ duCellCb->currSlotInfo.sfn = slotIndInfo->sfn;
+ duCellCb->currSlotInfo.slot = slotIndInfo->slot;
+ checkPagingRecord(duCellCb);
+ }
+ else
+ {
+ DU_LOG("\nERROR --> DU APP : CellId[%d] doesnot exist", slotIndInfo->cellId);
+ ret = RFAILED;
+ }
+ DU_FREE_SHRABL_BUF(pst->region, pst->pool, slotIndInfo, sizeof(SlotTimingInfo));
+ }
+ else
+ {
+ DU_LOG("\nERROR --> DU APP : Recevied null pointer from MAC");
+ ret = RFAILED;
+ }
+ return(ret);
+}
/*******************************************************************
*
* @brief Handles cell up indication from MAC
* ****************************************************************/
uint8_t duHandleCellUpInd(Pst *pst, OduCellId *cellId)
{
- DuCellCb *cellCb = NULLP;
+ DuCellCb *cellCb = NULLP;
if(cellId->cellId <=0 || cellId->cellId > MAX_NUM_CELL)
{
{
DU_LOG("\nINFO --> DU APP : 5G-NR Cell %d is UP", cellId->cellId);
cellCb->cellStatus = ACTIVATED;
+ gCellStatus = CELL_UP;
+ if(duCfgParam.tempSliceCfg.rrmPolicy)
+ BuildAndSendSliceConfigReq(duCfgParam.tempSliceCfg.rrmPolicy, duCfgParam.tempSliceCfg.totalRrmPolicy, duCfgParam.tempSliceCfg.totalSliceCount);
#ifdef O1_ENABLE
DU_LOG("\nINFO --> DU APP : Raise cell UP alarm for cell id=%d", cellId->cellId);
raiseCellAlrm(CELL_UP_ALARM_ID, cellId->cellId);
+ setCellOpState(cellId->cellId, ENABLED, ACTIVE);
#endif
+
}
if((pst->selector == ODU_SELECTOR_LWLC) || (pst->selector == ODU_SELECTOR_TC))
return ROK;
}
+/*******************************************************************
+ *
+ * @brief Handle Cell delete response from MAC
+ *
+ * @details
+ *
+ * Function : DuProcMacCellDeleteRsp
+ *
+ * Functionality: Handle Cell delete response from MAC
+ *
+ * @params[in] Pointer to MacCellDeleteRsp and Pst
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t DuProcMacCellDeleteRsp(Pst *pst, MacCellDeleteRsp *deleteRsp)
+{
+ uint8_t ret = ROK;
+ uint16_t cellIdx=0, pfIdx=0;
+ DuPagInfoList *pagInfoLLFromPF=NULLP;
+
+ if(deleteRsp)
+ {
+ if(deleteRsp->result == SUCCESSFUL_RSP)
+ {
+ GET_CELL_IDX(deleteRsp->cellId, cellIdx);
+ DU_LOG("\nINFO --> DU APP : MAC CELL Delete Response : SUCCESS [CELL IDX : %d]", deleteRsp->cellId);
+ if(duCb.actvCellLst[cellIdx] && (duCb.actvCellLst[cellIdx]->cellId == deleteRsp->cellId))
+ {
+ for(pfIdx =0; pfIdx < MAX_SFN; pfIdx++)
+ {
+ pagInfoLLFromPF = findPagingInfoFromMap(pfIdx, &(duCb.actvCellLst[cellIdx]->pagingInfoMap));
+ if(pagInfoLLFromPF)
+ {
+ cmHashListDelete(&(duCb.actvCellLst[cellIdx]->pagingInfoMap), (PTR)pagInfoLLFromPF);
+ DU_FREE(pagInfoLLFromPF, sizeof(DuPagInfoList));
+ }
+ }
+
+ memset(duCb.actvCellLst[cellIdx], 0, sizeof(DuCellCb));
+ gCellStatus = CELL_DOWN;
+
+#ifdef O1_ENABLE
+ DU_LOG("\nINFO --> DU APP : Raise cell down alarm for cell id=%d", deleteRsp->cellId);
+ raiseCellAlrm(CELL_DOWN_ALARM_ID, deleteRsp->cellId);
+ setCellOpState(deleteRsp->cellId, DISABLED, INACTIVE);
+#endif
+
+ duCb.numActvCells--;
+ duCb.numCfgCells--;
+ DU_FREE(duCb.actvCellLst[cellIdx], sizeof(DuCellCb));
+
+ }
+ else
+ {
+ DU_LOG("\nERROR --> DU APP : DuProcMacCellDeleteRsp(): CellId [%d] doesnot exist", deleteRsp->cellId);
+ ret = RFAILED;
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> DU APP : DuProcMacCellDeleteRsp(): MAC CELL Delete Response : FAILED\
+ [CELL IDX : %d]", deleteRsp->cellId);
+ ret = RFAILED;
+ }
+ DU_FREE_SHRABL_BUF(pst->region, pst->pool, deleteRsp, sizeof(MacCellDeleteRsp));
+ }
+ else
+ {
+ DU_LOG("\nERROR --> DU APP : DuProcMacCellDeleteRsp(): Received MAC cell delete response is NULL");
+ ret = RFAILED;
+ }
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Sending Cell Delete Req To Mac
+ *
+ * @details
+ *
+ * Function : sendCellDeleteReqToMac
+ *
+ * Functionality:
+ * sending Cell Delete Req To Mac
+ *
+ * @params[in] uint16_t cellId
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ *
+ *****************************************************************/
+
+uint8_t sendCellDeleteReqToMac(uint16_t cellId)
+{
+ Pst pst;
+ uint8_t ret=ROK;
+ MacCellDelete *cellDelete = NULLP;
+
+ DU_ALLOC_SHRABL_BUF(cellDelete, sizeof(MacCellDelete));
+ if(cellDelete)
+ {
+ cellDelete->cellId = cellId;
+ FILL_PST_DUAPP_TO_MAC(pst, EVENT_MAC_CELL_DELETE_REQ);
+
+ DU_LOG("\nINFO --> DU APP : Sending Cell Delete Request to MAC");
+ /* Processing one Cell at a time to MAC */
+ ret = (*packMacCellDeleteReqOpts[pst.selector])(&pst, cellDelete);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\nERROR --> DU APP : sendCellDeleteReqToMac(): Failed to send Cell delete Req to MAC");
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, cellDelete, sizeof(MacCellDelete));
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> DU APP : sendCellDeleteReqToMac(): Failed to allocate memory");
+ ret = RFAILED;
+ }
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief DU preocess Cell Delete Req to MAC
+ *
+ * @details
+ *
+ * Function : duSendCellDeletReq
+ *
+ * Functionality: DU process Cell Delete Req to MAC
+ *
+ * @params[in] uint16_t cellId
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t duSendCellDeletReq(uint16_t cellId)
+{
+ uint16_t cellIdx = 0;
+ DU_LOG("\nINFO --> DU APP : Processing Cell Delete Request ");
+ GET_CELL_IDX(cellId, cellIdx);
+
+ if(duCb.actvCellLst[cellIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP : duSendCellDeletReq(): CellId[%d] is not found", cellId);
+ return RFAILED;
+ }
+
+ if(duCb.actvCellLst[cellIdx]->cellId != cellId)
+ {
+ DU_LOG("\nERROR --> DU APP : duSendCellDeletReq(): CellId[%d] is not found", cellId);
+ return RFAILED;
+
+ }
+
+ if(duCb.actvCellLst[cellIdx]->cellStatus != DELETION_IN_PROGRESS)
+ {
+ DU_LOG("\nERROR --> DU APP : duSendCellDeletReq(): CellStatus[%d] of cellId[%d] is not correct.\
+ Expected CellStatus is DELETION_IN_PROGRESS",duCb.actvCellLst[cellIdx]->cellStatus, cellId);
+ return RFAILED;
+ }
+
+ if(duBuildAndSendMacCellStop(cellId) == RFAILED)
+ {
+ DU_LOG("\nERROR --> DU APP : duSendCellDeletReq(): Failed to build and send cell stop request to MAC for\
+ cellId[%d]",cellId);
+ return RFAILED;
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ * @brief Free PCCH PDU structure
+ *
+ * @details
+ *
+ * Function : freePcchPdu
+ *
+ * Functionality: Free PCCH PDU structure
+ *
+ * @params[in] PCCH_Message_t *pcchMsg
+ *
+ * @return void
+ *
+ * ****************************************************************/
+void freePcchPdu(PCCH_Message_t *pcchMsg)
+{
+ PagingRrc_t *pagingMsg = NULLP;
+ uint8_t recordIdx = 0;
+
+ if(pcchMsg != NULLP)
+ {
+ if(pcchMsg->message.choice.c1 != NULLP)
+ {
+ pagingMsg = pcchMsg->message.choice.c1->choice.paging;
+ if(pagingMsg != NULLP)
+ {
+ if(pagingMsg->pagingRecordList)
+ {
+ if(pagingMsg->pagingRecordList->list.array != NULLP)
+ {
+ for(recordIdx = 0; recordIdx < pagingMsg->pagingRecordList->list.count; recordIdx++)
+ {
+ if(pagingMsg->pagingRecordList->list.array[recordIdx] != NULLP)
+ {
+ DU_FREE(pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI.buf,\
+ pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI.size);
+ DU_FREE(pagingMsg->pagingRecordList->list.array[recordIdx], sizeof(PagingRecord_t));
+ }
+ }
+ DU_FREE(pagingMsg->pagingRecordList->list.array, pagingMsg->pagingRecordList->list.size);
+ }
+ DU_FREE(pagingMsg->pagingRecordList, sizeof(PagingRecordList_t));
+ }
+ DU_FREE(pcchMsg->message.choice.c1->choice.paging, sizeof(PagingRrc_t));
+ }
+ DU_FREE(pcchMsg->message.choice.c1 , sizeof(PCCH_MessageType_t));
+ }
+ DU_FREE(pcchMsg , sizeof(PCCH_Message_t));
+ }
+}
+
+/*******************************************************************
+ * @brief Builds the Pcch RRC PDU and forwards it to MAC
+ *
+ * @details
+ *
+ * Function : BuildAndSendDlPcchIndToMac
+ *
+ * Functionality: Builds the Pcch RRC PDU[As per Spec 38.331, Annexure A]
+ * and forwards it to MAC as Buffer along with PF and i_s
+ *
+ * @params[in] uint16_t cellId, uint16_t pf, uint8_t i_s,CmLListCp *pageUeLL
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t BuildAndSendDlPcchIndToMac(uint16_t cellId, uint16_t pf, uint8_t i_s, CmLListCp *pageUeLL)
+{
+ CmLList *node = NULLP, *next = NULLP;
+ DuPagUeRecord *ueRecord = NULLP;
+ PCCH_Message_t *pcchMsg = NULLP;
+ asn_enc_rval_t encRetVal;
+ PagingRrc_t *pagingMsg = NULLP;
+ MacPcchInd *macPcchInd = NULLP;
+ uint8_t recordIdx = 0, ret = RFAILED;
+
+ /*As per 38.473 Sec 9.3.1.39,5G-S-TMSI :48 Bits >> Bytes and 0 UnusedBits */
+ uint8_t totalByteInTmsi = 6, unusedBitsInTmsi = 0;
+
+ if(pageUeLL == NULLP || pageUeLL->count == 0)
+ {
+ DU_LOG("\nERROR --> DU APP: UE Page Record LL is empty");
+ return RFAILED;
+ }
+
+ while(true)
+ {
+ memset(&encRetVal, 0, sizeof(asn_enc_rval_t));
+ DU_ALLOC(pcchMsg , sizeof(PCCH_Message_t));
+ if(pcchMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(): (pccchMsg) Memory Alloction failed!");
+ break;
+ }
+ pcchMsg->message.present = PCCH_MessageType_PR_c1;
+ DU_ALLOC(pcchMsg->message.choice.c1 , sizeof(PCCH_MessageType_t));
+ if(pcchMsg->message.choice.c1 == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (C1) Memory Alloction failed!");
+ break;
+ }
+ pcchMsg->message.choice.c1->present = PCCH_MessageType__c1_PR_paging;
+ DU_ALLOC(pcchMsg->message.choice.c1->choice.paging, sizeof(PagingRrc_t));
+
+ pagingMsg = pcchMsg->message.choice.c1->choice.paging;
+ if(pagingMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (Paging) Memory Alloction failed!");
+ break;
+ }
+ DU_ALLOC(pagingMsg->pagingRecordList, sizeof(PagingRecordList_t));
+ if(pagingMsg->pagingRecordList == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (Paging Record List) Memory Alloction failed!");
+ break;
+ }
+
+ pagingMsg->pagingRecordList->list.count = pageUeLL->count;
+
+ /*As per Spec 38.331, maxNrofPageRec : 32 [Maximum number of page records]*/
+ if(pageUeLL->count > MAX_PAGING_UE_RECORDS)
+ {
+ pagingMsg->pagingRecordList->list.count = MAX_PAGING_UE_RECORDS;
+ }
+
+ pagingMsg->pagingRecordList->list.size = pageUeLL->count * (sizeof(PagingRecord_t *));
+ DU_ALLOC(pagingMsg->pagingRecordList->list.array, pagingMsg->pagingRecordList->list.size);
+ if(pagingMsg->pagingRecordList->list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (Array) Memory Alloction failed!");
+ break;
+ }
+ for(recordIdx = 0; recordIdx < pageUeLL->count; recordIdx++)
+ {
+ DU_ALLOC(pagingMsg->pagingRecordList->list.array[recordIdx], sizeof(PagingRecord_t));
+ if(pagingMsg->pagingRecordList->list.array[recordIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (Record) Memory Alloction failed!");
+ break;
+ }
+ }
+ recordIdx = 0;
+ node = pageUeLL->first;
+ while(node && (recordIdx < MAX_PAGING_UE_RECORDS))
+ {
+ next = node->next;
+ ueRecord = (DuPagUeRecord *)node->node;
+ if(ueRecord)
+ {
+ /*TODO : When Connected Mode Paging will be supported then I_RNTI will be introduced*/
+ pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.present = PagingUE_Identity_PR_ng_5G_S_TMSI;
+ pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI.size = totalByteInTmsi*sizeof(uint8_t);
+ DU_ALLOC(pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI.buf,\
+ pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI.size);
+ if(pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI.buf == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (5gsTmsi buffer) Memory Allocation failed!");
+ break;
+ }
+ fillBitString(&pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI,\
+ unusedBitsInTmsi, totalByteInTmsi, ueRecord->sTmsi);
+ recordIdx++;
+ }
+
+ if(duDelNodeFromLList(pageUeLL, node) == ROK)
+ DU_FREE(ueRecord, sizeof(DuPagUeRecord));
+ node = next;
+ }
+ if(node != NULLP && (recordIdx < MAX_PAGING_UE_RECORDS))
+ {
+ /*This leg is hit because Whole UE REcord List was not traversed as
+ * some issue happened thus exiting the main while*/
+ break;
+ }
+ xer_fprint(stdout, &asn_DEF_PCCH_Message, pcchMsg);
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ /* Encode the PCCH RRC PDU as APER */
+ encRetVal = aper_encode(&asn_DEF_PCCH_Message, 0, pcchMsg, PrepFinalEncBuf,\
+ encBuf);
+
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> F1AP : Could not encode Paging structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> F1AP : Created APER encoded buffer for RRC PDU for Pcch indication \n");
+
+ DU_ALLOC_SHRABL_BUF(macPcchInd, sizeof(MacPcchInd));
+ if(macPcchInd == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (macPcchInd) Memory Alloction failed!");
+ break;
+ }
+
+ macPcchInd->cellId = cellId;
+ macPcchInd->pf = pf;
+ macPcchInd->i_s = i_s;
+ macPcchInd->pduLen = encBufSize;
+ DU_ALLOC_SHRABL_BUF(macPcchInd->pcchPdu, macPcchInd->pduLen);
+ if(macPcchInd->pcchPdu == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: BuildAndSendDlPcchIndToMac(); (PcchPDU) Memory Alloction failed!");
+ break;
+ }
+ memcpy(macPcchInd->pcchPdu, encBuf, macPcchInd->pduLen);
+ ret = sendDlPcchIndToMac(macPcchInd);
+ if(ret != ROK)
+ {
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, macPcchInd->pcchPdu, macPcchInd->pduLen);
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, macPcchInd, sizeof(MacPcchInd));
+ break;
+ }
+ }
+ ret = ROK;
+ break;
+ }
+ freePcchPdu(pcchMsg);
+ return ret;
+}
+
+/*******************************************************************
+ * @brief Keeping the record of Paging having a particular SFN and index associated
+ *
+ * @details
+ *
+ * Function : insertPagingRecord
+ *
+ * Functionality: Insert record of Paging assoc with particular SFN and index associated
+ *
+ * @params[in] DuCellCb* cellCb, uint16_t iterations
+ * DuPagingMsg rcvdF1apPagingParam
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t insertPagingRecord(DuCellCb* cellCb, DuPagingMsg *rcvdF1apPagingParam, uint16_t iterations)
+{
+ uint16_t maxIterations = 0;
+ DuPagInfoList *pagInfoLLFromPF = NULLP;
+ DuPagUeList *pageUeLL = NULLP;
+ DuPagUeRecord *ueRecord = NULLP;
+
+#if 0
+ printPageList(&(cellCb->pagingInfoMap));
+#endif
+
+ /*MAX Iteration : A UE can be paged at every T frames thus MAX determines
+ *how many Paging Frame(s) can be considered for Paging this UE*/
+ maxIterations = MAX_SFN/rcvdF1apPagingParam->T;
+ if(iterations >= maxIterations)
+ {
+ DU_LOG("\nERROR --> DU APP: MAX Iterations reached for UEID:%d, thus Paging is dropped!", rcvdF1apPagingParam->pagUeId);
+ return RFAILED;
+ }
+
+ /*[Step1]: Extracting the PF from the HasMap between PF and PagingInfoList*/
+ pagInfoLLFromPF = findPagingInfoFromMap(rcvdF1apPagingParam->pagingFrame, &(cellCb->pagingInfoMap));
+ if(pagInfoLLFromPF != NULLP)
+ {
+ /*[Step2]: Extracting the PageInfo List for the Paging Indices(i_s)*/
+ pageUeLL = handlePageInfoLL(rcvdF1apPagingParam->pagingFrame, rcvdF1apPagingParam->i_s, \
+ &(pagInfoLLFromPF->pagInfoList), CREATE);
+
+ if(pageUeLL != NULLP)
+ {
+ /*[Step3]: Check whether MAX UE Record against this PF and i_s has reached(Spec 38.331, Annexure A)*/
+ if(pageUeLL->pagUeList.count < MAX_PAGING_UE_RECORDS)
+ {
+ /*[Step4]: Insert the Paging Record to the end of the UE record List*/
+ ueRecord = handlePageUeLL(rcvdF1apPagingParam->pagUeId, rcvdF1apPagingParam->sTmsi,\
+ &(pageUeLL->pagUeList), CREATE);
+
+ if(ueRecord == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: Unable to create UE Record in PagingList");
+ return RFAILED;
+ }
+ DU_LOG("\nDEBUG --> DU APP: UE Record created successfully in PagingList");
+ return ROK;
+ }
+ else
+ {
+ /*Since MAX Page record has reached for this PF thus calculating and
+ *moving this UE to next Paging Cycle*/
+ DU_LOG("\nINFO --> DU APP: Max Page Record reached for PagingFrame:%d",rcvdF1apPagingParam->pagingFrame);
+ rcvdF1apPagingParam->pagingFrame = ((rcvdF1apPagingParam->pagingFrame + rcvdF1apPagingParam->T) % MAX_SFN);
+ iterations++;
+
+ return insertPagingRecord(cellCb, rcvdF1apPagingParam, iterations);
+ }
+ }
+ }
+ /*Reaching here means that PF has no entry in the PageLists,
+ *Thus creating, Updating and inseritng the Paging Map, List and UE record.*/
+
+ DU_ALLOC(pagInfoLLFromPF, sizeof(DuPagInfoList));
+
+ if(pagInfoLLFromPF == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: PageInfo Map allocation failed.");
+ return RFAILED;
+ }
+ pagInfoLLFromPF->pf = rcvdF1apPagingParam->pagingFrame;
+ pageUeLL = handlePageInfoLL(rcvdF1apPagingParam->pagingFrame, rcvdF1apPagingParam->i_s, &(pagInfoLLFromPF->pagInfoList), CREATE);
+ ueRecord = handlePageUeLL(rcvdF1apPagingParam->pagUeId, rcvdF1apPagingParam->sTmsi, &(pageUeLL->pagUeList), CREATE);
+ if(cmHashListInsert(&(cellCb->pagingInfoMap), (PTR)pagInfoLLFromPF, (uint8_t *)&(pagInfoLLFromPF->pf), sizeof(uint16_t)) == RFAILED)
+ {
+ DU_LOG("\nERROR --> DU APP: Hash Map Insertion Failed for PF:%d.",rcvdF1apPagingParam->pagingFrame);
+ }
+
+#if 0
+ printPageList(&(cellCb->pagingInfoMap));
+#endif
+
+ return ROK;
+
+
+}
+
+/*******************************************************************
+ * @brief Calculate and fill paging information of a UE belongs to a particular cell
+ *
+ * @details
+ *
+ * Function : calcAndFillPagingInfoInCellCb
+ *
+ * Functionality: Calculate PO and i_s and
+ * fill paging information of a UE in DuCellCb
+ *
+ * @params[in] DuCellCb* cellCb, uint8_t pagUeId,
+ * DuPagingMsg rcvdF1apPagingParam
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t calcAndFillPagingInfoInCellCb(DuCellCb* cellCb, DuPagingMsg *rcvdF1apPagingParam)
+{
+ uint8_t ns = 0;
+ uint16_t T=0, N=0, pagingFrame = 0, n = 0;
+ uint16_t currentSfn = 0, sfn = 0, newSfn = 0;
+ PcchCfg duPcchCfg;
+
+ if(cellCb)
+ {
+ /* calculate paging frame and paging offset */
+ duPcchCfg = duCfgParam.sib1Params.srvCellCfgCommSib.dlCfg.pcchCfg;
+ rcvdF1apPagingParam->pagingFrameOffset = duPcchCfg.pageFrameOffset;
+ ns = duPcchCfg.ns;
+
+ /*
+ * Fill the Value of T (DRX cycle of the UE)
+ * T = min(UE Specific DRX value allocated by upper layers, default DRX
+ * broadcast in System Information) */
+ if((rcvdF1apPagingParam->pagingDrxPres) && (duPcchCfg.dfltPagingCycle > rcvdF1apPagingParam->pagingDrx))
+ {
+ T = rcvdF1apPagingParam->pagingDrx;
+ }
+ else
+ {
+ T = duPcchCfg.dfltPagingCycle;
+ }
+ rcvdF1apPagingParam->T = T;
+
+ /* N= number of total paging frames in T */
+
+ switch(duPcchCfg.nAndPagingFrmOffsetType)
+ {
+ case PCCH_Config__nAndPagingFrameOffset_PR_oneT:
+ N = T;
+ break;
+ case PCCH_Config__nAndPagingFrameOffset_PR_halfT:
+ N = T/2;
+ break;
+ case PCCH_Config__nAndPagingFrameOffset_PR_quarterT:
+ N = T/4;
+ break;
+ case PCCH_Config__nAndPagingFrameOffset_PR_oneEighthT:
+ N = T/8;
+ break;
+ case PCCH_Config__nAndPagingFrameOffset_PR_oneSixteenthT:
+ N = T/16;
+ break;
+ default:
+ N = T;
+ break;
+ }
+
+ /* calculate the Value of pagingFrame */
+ /*Refer: 38.304 Sec 7.1: (SFN + PF_offset) mod T = (T div N)*(UE_ID mod N)*/
+ //RHS of above formula
+ pagingFrame = (T / N) * ((rcvdF1apPagingParam->pagUeId) % N);
+
+ //LHS of above formula
+ if(pagingFrame)
+ {
+ pagingFrame = (pagingFrame - rcvdF1apPagingParam->pagingFrameOffset)%T;
+ }
+ else /*Paging Frame = 0 so thus PF will be calculated on Paging Cycle*/
+ {
+ pagingFrame = (T - rcvdF1apPagingParam->pagingFrameOffset)%T;
+ }
+
+ /*Paging Frame(SFN for Paging) has to be determined from current SFN. */
+ /*For eg: If T =128, PF(Calculated above) = 20; SFN can be 20,148,276,...
+ * If currSFN is running as 200 then (newSFN % T) == (T/N)*(UE_ID%N)
+ *Thus SFN at which paging has to be sent needs to be delayed and newSFN = 276*/
+
+ currentSfn = cellCb->currSlotInfo.sfn;
+
+ /*Multiplication Factor(x) to find the next best SFN to process paging*/
+
+ /*Below calculation will determine in which nth cycle of T (DRX cycle),new PF
+ * may fall(Delayed one)*/
+ if(currentSfn > pagingFrame)
+ {
+ n = ((currentSfn - pagingFrame) / T) + 1;
+ }
+ else
+ {
+ n = ((pagingFrame - currentSfn) / T) + 1;
+ }
+
+ newSfn = pagingFrame + T * n;
+
+ /*When pagingFrame is future from currSFN then pagingFrame will be used
+ * else pagingFrame is delayed thus newSFN will be used.*/
+ if(currentSfn <= pagingFrame)
+ {
+ if(pagingFrame > currentSfn + PAGING_SCHED_DELTA)
+ {
+ sfn = pagingFrame;
+ }
+ else
+ {
+ sfn = newSfn;
+ }
+ }
+ else
+ {
+
+ if(newSfn > currentSfn + PAGING_SCHED_DELTA)
+ {
+ sfn = newSfn;
+ }
+ else /*If newSFN is near to currSFN then delay it more by T*/
+ {
+ newSfn = newSfn + T;
+ sfn = newSfn;
+ }
+ }
+ rcvdF1apPagingParam->pagingFrame = (sfn % MAX_SFN);
+ rcvdF1apPagingParam->i_s = ((uint32_t)(floor(rcvdF1apPagingParam->pagUeId / N)) % ns);
+
+ DU_LOG("\nINFO --> DU APP : Successfully filled paging parameter in DuCellCb");
+ memcpy(&cellCb->tmpPagingInfoOfUe, rcvdF1apPagingParam, sizeof(DuPagingMsg));
+ }
+ else
+ {
+ DU_LOG("\nINFO --> DU APP : calcAndFillPagingInfoInCellCb(): Received null pointer");
+ return RFAILED;
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ * @brief Paging Processing on a particular cell
+ *
+ * @details
+ *
+ * Function : processPagingMsg
+ *
+ * Functionality: Process Paging on a particular cell
+ *
+ * @params[in] uint16_t cellId
+ * DuPagingMsg rcvdF1apPagingParam
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t processPagingMsg(uint16_t cellId, DuPagingMsg *rcvdF1apPagingParam)
+{
+ uint16_t cellIdx = 0, iteration = 0;
+
+ GET_CELL_IDX(cellId, cellIdx);
+
+ if(duCb.actvCellLst[cellIdx] == NULLP || duCb.actvCellLst[cellIdx]->cellId != cellId)
+ {
+ DU_LOG("\nERROR --> DU APP : processPagingMsg(): CellId[%d] is not found", cellId);
+ return RFAILED;
+ }
+
+ if(calcAndFillPagingInfoInCellCb(duCb.actvCellLst[cellIdx], rcvdF1apPagingParam) != ROK)
+ {
+ DU_LOG("\nERROR --> DU APP : CellCb:%d not present to fill UE Paging Information",cellId);
+ return RFAILED;
+ }
+ if(insertPagingRecord(duCb.actvCellLst[cellIdx], rcvdF1apPagingParam, iteration) != ROK)
+ {
+ DU_LOG("\nERROR --> DU APP : Insertion Failed ofUE Paging Information");
+ return RFAILED;
+ }
+ return ROK;
+
+}
/**********************************************************************
End of file
**********************************************************************/
Code Review / o-du / l2.git / blobdiff