################################################################################
*******************************************************************************/
-/* This file contains message handling functionality for DU APP */
+/* This file contains message handling functionality for DU cell management */
+#include "common_def.h"
+#include "lrg.h"
+#include "legtp.h"
+#include "lrg.x"
+#include "lkw.x"
+#include "rgr.h"
+#include "rgr.x"
+#include "du_app_mac_inf.h"
+#include "du_app_rlc_inf.h"
+#include "du_cfg.h"
+#include "du_mgr.h"
+#include "du_utils.h"
#include "du_cell_mgr.h"
+#include "PCCH-Config.h"
-extern DuCfgParams duCfgParam;
+#ifdef O1_ENABLE
-extern S16 cmPkRgrCfgReq(Pst* pst, RgrCfgTransId transId, \
- RgrCfgReqInfo *cfgReqInfo);
+#include "AlarmInterface.h"
+#include "CmInterface.h"
-extern S16 duBuildAndSendMacCellCfg();
+#endif
+
+DuMacCellDeleteReq packMacCellDeleteReqOpts[] =
+{
+ packDuMacCellDeleteReq, /* Loose coupling */
+ MacProcCellDeleteReq, /* TIght coupling */
+ packDuMacCellDeleteReq /* Light weight-loose coupling */
+};
/*******************************************************************
*
*
* @details
*
- * Function : procCellsToBeActivated
+ * Function : duProcCellsToBeActivated
*
* Functionality:
* - Processes cells to be activated list received in F1SetupRsp
* RFAILED - failure
*
* ****************************************************************/
-S16 procCellsToBeActivated(Cells_to_be_Activated_List_t cellsToActivate)
+uint8_t duProcCellsToBeActivated(uint8_t *plmnStr, uint16_t nci, uint16_t nRPci)
{
- U16 idx;
- S16 ret;
+ uint8_t ret = ROK;
+ DuCellCb *cellCb = NULLP;
+ uint8_t cfgIdx, tmpPlmn[4];
- for(idx=0; idx<cellsToActivate.list.count; idx++)
+ for(cfgIdx=0; cfgIdx<duCb.numCfgCells; cfgIdx++)
{
- U16 nci = 0;
- U16 pci;
- DuCellCb *cellCb = NULLP;
-
- Cells_to_be_Activated_List_Item_t cell = cellsToActivate.list.array[idx]->\
- value.choice.Cells_to_be_Activated_List_Item;
-
- bitStringToInt(&cell.nRCGI.nRCellIdentity, &nci);
- if(nci <= 0 || nci > DU_MAX_CELLS)
- {
- DU_LOG("\nDU APP : Invalid NCI %d", nci);
- return RFAILED;
- }
-
- if(cell.nRPCI)
+ 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))
{
- pci = *cell.nRPCI;
+ cellCb = duCb.cfgCellLst[cfgIdx];
+ break;
}
-
- cellCb = duCb.cfgCellLst[nci-1];
-
- if(!cellCb)
+ else
{
- DU_LOG("\nDU APP : No Cell found for NCI %d", nci);
+ DU_LOG("\nERROR --> DU APP : No Cell found for NCI %d", nci);
return RFAILED;
}
- cellCb->cellStatus = ACTIVATION_IN_PROGRESS;
- cellCb->cellInfo.nrPci = pci;
+ }
- /* Now remove this cell from configured list and move to active list */
- duCb.cfgCellLst[nci-1] = NULLP;
- duCb.actvCellLst[nci-1] = cellCb;
+ cellCb->cellStatus = ACTIVATION_IN_PROGRESS;
+ cellCb->cellInfo.nrPci = nRPci;
+
+ 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++;
- /* Start sending scheduler config */
- if(ret == ROK)
+ if(duBuildAndSendMacCellCfg(cellCb->cellId) != ROK)
{
- //TODO: uncomment later duSendSchGnbCfg();
+ DU_LOG("\nERROR --> DU APP : macCellCfg build and send failed");
+ /* Delete cell from actvCellList */
+ duCb.actvCellLst[cellCb->cellId -1] = NULLP;
+ --(duCb.numActvCells);
+ ret = RFAILED;
}
+ return ret;
+}
- return ROK;
+/*******************************************************************
+ *
+ * @brief Handles DU F1Setup Rsp received in F1AP
+ *
+ * @details
+ *
+ * Function : duProcF1SetupRsp
+ *
+ * Functionality:
+ * - Handles DU F1Setup Rsp received in F1AP
+ *
+ * @params[in] Pointer to F1SetupRsp
+ * @return void
+ *
+ ******************************************************************/
+void duProcF1SetupRsp()
+{
+ DU_LOG("\nINFO --> DU_APP : F1 Setup Response received");
+ duCb.f1Status = TRUE; //Set F1 status as true
}
-/******************************************************************
+/*******************************************************************
*
-* @brief Processes F1 Setup Response sent by CU
+* @brief Returns cellCb based on cell ID
*
* @details
*
-* Function : procF1SetupRsp
+* Function : duGetCellCb
*
-* Functionality: Processes F1 Setup Response sent by CU
+* Functionality: Returns DU APP CellCb based on cell ID
*
* @params[in] F1AP_PDU_t ASN decoded F1AP message
* @return ROK - success
* RFAILED - failure
*
* ****************************************************************/
-S16 procF1SetupRsp(F1AP_PDU_t *f1apMsg)
+uint8_t duGetCellCb(uint16_t cellId, DuCellCb **cellCb)
{
- S16 ret = ROK;
+ uint8_t cellIdx = 0;
- F1SetupResponse_t *f1SetRspMsg;
- F1SetupRsp f1SetRspDb;
- GNB_CU_Name_t *cuName;
- RRC_Version_t *rrc_Ver;
- U16 idx;
+ for(cellIdx=0; cellIdx < MAX_NUM_CELL; cellIdx++)
+ {
+ if(duCb.actvCellLst[cellIdx] && (duCb.actvCellLst[cellIdx]->cellId == cellId))
+ {
+ *cellCb = duCb.actvCellLst[cellIdx];
+ break;
+ }
+ }
- DU_LOG("\nDU_APP : F1 Setup Response received");
- printf("\nDU_APP : F1 Setup Response received");
- duCb.f1Status = TRUE; //Set F1 status as true
- f1SetRspMsg = &f1apMsg->choice.successfulOutcome->value.choice.F1SetupResponse;
+ if(!*cellCb)
+ {
+ DU_LOG("\nERROR --> DU APP : Cell Id %d not found in DU APP", cellId);
+ return RFAILED;
+ }
+
+ return ROK;
+}
+
+/*****************************************************************
+* @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;
+
+ if(slotIndInfo)
+ {
+ GET_CELL_IDX(slotIndInfo->cellId, cellIdx);
+ duCellCb = duCb.actvCellLst[cellIdx];
+
+ if(duCellCb)
+ {
+ duCellCb->currSlotInfo.sfn = slotIndInfo->sfn;
+ duCellCb->currSlotInfo.slot = slotIndInfo->slot;
+ }
+ 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
+ *
+ * @details
+ *
+ * Function : duHandleCellUpInd
+ *
+ * Functionality:
+ * Handles cell up indication from MAC
+ *
+ * @params[in] Post structure pointer
+ * cell Up info
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t duHandleCellUpInd(Pst *pst, OduCellId *cellId)
+{
+ DuCellCb *cellCb = NULLP;
+
+ if(cellId->cellId <=0 || cellId->cellId > MAX_NUM_CELL)
+ {
+ DU_LOG("\nERROR --> DU APP : Invalid Cell Id %d in duHandleCellUpInd()", cellId->cellId);
+ return RFAILED;
+ }
+
+ if(duGetCellCb(cellId->cellId, &cellCb) != ROK)
+ return RFAILED;
+
+ if((cellCb != NULL) && (cellCb->cellStatus == ACTIVATION_IN_PROGRESS))
+ {
+ 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))
+ DU_FREE_SHRABL_BUF(pst->region, pst->pool, cellId, sizeof(OduCellId));
+ 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
+ *
+ * ****************************************************************/
- for(idx=0; idx<f1SetRspMsg->protocolIEs.list.count; idx++)
+uint8_t DuProcMacCellDeleteRsp(Pst *pst, MacCellDeleteRsp *deleteRsp)
+{
+ uint8_t ret = ROK;
+ uint16_t cellIdx=0;
+
+ if(deleteRsp)
{
-// F1SetupResponseIEs_t f1RspIe = f1SetRspMsg->protocolIEs.list.array[idx];
- switch(f1SetRspMsg->protocolIEs.list.array[idx]->id)
+ if(deleteRsp->result == SUCCESSFUL_RSP)
{
- case ProtocolIE_ID_id_Cells_to_be_Activated_List:
+ 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))
{
- procCellsToBeActivated(f1SetRspMsg->protocolIEs.list.array[idx]->\
- value.choice.Cells_to_be_Activated_List);
- break;
+ 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));
+
}
- //TODO: where to store and how to use below variables?can they be skipped
- case ProtocolIE_ID_id_TransactionID:
+ else
{
- f1SetRspDb.transId = f1SetRspMsg->protocolIEs.list.array[idx]->\
- value.choice.TransactionID;
- break;
+ 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 Find the PageInfo List from HashMap
+ *
+ * @details
+ *
+ * Function : findPagingInfoFromMap
+ *
+ * Functionality: Search for the PageInfoList for a PF from HashMap
+ *
+ * @params[in] uint16_t pf, CmHashListCp *pagingInfoMap
+ *
+ * @return DuPagInfoList
+ *
+ * ****************************************************************/
+DuPagInfoList* findPagingInfoFromMap(uint16_t pf, CmHashListCp *pagingInfoMap)
+{
+ DuPagInfoList *pagInfoLL = NULLP;
+
+ cmHashListFind(pagingInfoMap, (uint8_t *)&(pf), sizeof(uint16_t), 0, (PTR *)&pagInfoLL);
+ if(pagInfoLL == NULLP)
+ {
+ DU_LOG("\nDEBUG --> DU APP: PF:%d doesnt exist in Map",pf);
+ }
+ return pagInfoLL;
+}
+
+/*******************************************************************
+ * @brief Handle the PageInfo List
+ *
+ * @details
+ *
+ * Function : handlePageInfoLL
+ *
+ * Functionality: Handling the (SEARCH,CREATE,DELETE) PageInfoList
+ *
+ * @params[in] uint8_t i_s, CmLListCp *pagInfoLL, ActionTypeLL action
+ *
+ * @return DuPagUeList
+ *
+ * ****************************************************************/
+DuPagUeList* handlePageInfoLL(uint8_t i_s, CmLListCp *pagInfoLL, ActionTypeLL action)
+{
+ CmLList *node = NULLP;
+ DuPagUeList *pagInfo = NULLP;
+ bool found = FALSE;
+
+ if(pagInfoLL == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: PagInfo LL is empty");
+ return NULLP;
+ }
+ node = pagInfoLL->first;
+
+ while(node)
+ {
+ pagInfo = (DuPagUeList *)node->node;
+ if(pagInfo->i_s == i_s)
+ {
+ found = TRUE;
+ break;
+ }
+ node = node->next;
+ }
+
+ switch(action)
+ {
+ case SEARCH:
+ {
+ if(!found)
+ {
+ pagInfo = NULLP;
+ }
+ return pagInfo;
}
- case ProtocolIE_ID_id_gNB_CU_Name:
+
+ case CREATE:
{
- cuName = &f1SetRspMsg->protocolIEs.list.array[idx]->\
- value.choice.GNB_CU_Name;
- strcpy(f1SetRspDb.cuName, (const char*)cuName->buf);
- break;
+ if(node != NULLP)
+ return pagInfo;
+
+ /*Need to add a new node for this LC*/
+
+ /*List is empty; Initialize the LL ControlPointer*/
+ if(pagInfoLL->count == 0)
+ {
+ cmLListInit(pagInfoLL);
+ }
+
+ pagInfo = NULLP;
+ /*Allocate the List*/
+ DU_ALLOC(pagInfo, sizeof(DuPagUeList));
+ if(pagInfo)
+ {
+ pagInfo->i_s = i_s;
+ }
+ else
+ {
+ DU_LOG("\nERROR --> DU APP : Allocation of List failed,i_s:%d",i_s);
+ return NULLP;
+ }
+
+ if(duAddNodeToLList(pagInfoLL, pagInfo, NULLP) == RFAILED)
+ {
+ DU_LOG("\nERROR --> DU APP : failed to Add Node,i_s:%d",i_s);
+ DU_FREE(pagInfo, sizeof(DuPagUeList));
+ return NULLP;
+ }
+ return pagInfo;
}
- case ProtocolIE_ID_id_GNB_CU_RRC_Version:
+ case DELETE:
{
- rrc_Ver = &f1SetRspMsg->protocolIEs.list.array[idx]->\
- value.choice.RRC_Version;
- strcpy(f1SetRspDb.rrcVersion.rrcVer,
- (const char*)rrc_Ver->latest_RRC_Version.buf);
- break;
+ if(!found || pagInfo == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: i_s:%d not found; thus Deletion unsuccessful",i_s);
+ }
+ else
+ {
+ if(duDelNodeFromLList(pagInfoLL, node) == ROK)
+ DU_FREE(pagInfo, sizeof(DuPagUeList));
+
+ DU_LOG("\nDEBUG --> DU APP: i_s:%d Deleted successfully",i_s);
+ }
+ return NULLP;
}
- default:
- DU_LOG("\nDU_APP : Invalid IE received in F1SetupRsp:%ld",
- f1SetRspMsg->protocolIEs.list.array[idx]->id);
+ default:
+ {
+ DU_LOG("\nERROR --> DU APP: Incorrect ActionType:%d on PageInfo List",action);
+ }
+ }
+ return NULLP;
+}
+
+/*******************************************************************
+ * @brief Handle the PageUe List
+ *
+ * @details
+ *
+ * Function : handlePageUeLL
+ *
+ * Functionality: Handling the (SEARCH,CREATE,DELETE) PageUeList
+ *
+ * @params[in] DuPagingMsg *pagingParam, CmLListCp *pageUeLL, ActionTypeLL
+ * action
+ *
+ * @return DuPagUeRecord
+ *
+ * ****************************************************************/
+DuPagUeRecord* handlePageUeLL(DuPagingMsg *pagingParam, CmLListCp *pageUeLL, ActionTypeLL action)
+{
+ CmLList *node = NULLP;
+ DuPagUeRecord *ueRecord = NULLP;
+ bool found = FALSE;
+
+ if(pageUeLL == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: UE Page Record LL is empty");
+ return NULLP;
+ }
+ node = pageUeLL->first;
+
+ while(node)
+ {
+ ueRecord = (DuPagUeRecord *)node->node;
+ if(ueRecord && (ueRecord->pagUeId == pagingParam->pagUeId &&
+ ueRecord->sTmsi == pagingParam->sTmsi))
+ {
+ found = TRUE;
+ break;
}
+ node = node->next;
}
-
- /* TODO :Check the deallocation */
-#if 0
- SPutSBuf(DU_APP_MEM_REGION, DU_POOL,(Data *)&(f1SetupRsp->protocolIEs.list.array),\
- (Size)elementCnt * sizeof(F1SetupResponseIEs_t *));
- SPutSBuf(DU_APP_MEM_REGION, DU_POOL,(Data *)&(f1apMsg->choice.successfulOutcome),\
- (Size)sizeof(SuccessfulOutcome_t));
- SPutSBuf(DU_APP_MEM_REGION, DU_POOL,(Data *)&f1apMsg,(Size)sizeof(F1AP_PDU_t));
-#endif
-
- /* Build and send Mac Cell Cfg Paramaters */
- //ret = duBuildAndSendMacCellCfg();
- ret = BuildAndSendDUConfigUpdate();
- return ret;
+ switch(action)
+ {
+ case SEARCH:
+ {
+ if(!found)
+ {
+ ueRecord = NULLP;
+ }
+ return ueRecord;
+ }
+
+ case CREATE:
+ {
+ if(node != NULLP)
+ return ueRecord;
+
+ /*Need to add a new node for this LC*/
+
+ /*List is empty; Initialize the LL ControlPointer*/
+ if(pageUeLL->count == 0)
+ {
+ cmLListInit(pageUeLL);
+ }
+
+ ueRecord = NULLP;
+ /*Allocate the List*/
+ DU_ALLOC(ueRecord, sizeof(DuPagUeRecord));
+ if(ueRecord)
+ {
+ ueRecord->pagUeId = pagingParam->pagUeId;
+ ueRecord->sTmsi = pagingParam->sTmsi;
+ ueRecord->pagPriority = pagingParam->pagPriority;
+ }
+ else
+ {
+ DU_LOG("\nERROR --> DU APP : Allocation of UE Record failed,ueId:%d",pagingParam->pagUeId);
+ return NULLP;
+ }
+
+ if(duAddNodeToLList(pageUeLL, ueRecord, NULLP) == RFAILED)
+ {
+ DU_LOG("\nERROR --> DU APP : failed to Add Ue Record Node,ueId:%d",pagingParam->pagUeId);
+ DU_FREE(ueRecord, sizeof(DuPagUeRecord));
+ return NULLP;
+ }
+ return ueRecord;
+ }
+ case DELETE:
+ {
+ if(!found || ueRecord == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: UeId:%d not found; thus Deletion unsuccessful",pagingParam->pagUeId);
+ }
+ else
+ {
+ if(duDelNodeFromLList(pageUeLL, node) == ROK)
+ DU_FREE(ueRecord, sizeof(DuPagUeRecord));
+
+ DU_LOG("\nDEBUG --> DU APP: UeId:%d Deleted successfully",pagingParam->pagUeId);
+ }
+ return NULLP;
+ }
+ default:
+ {
+ DU_LOG("\nERROR --> DU APP: Incorrect ActionType:%d on UeRecord",action);
+ }
+ }
+ return NULLP;
}
-/******************************************************************
-*
-* @brief Send gNB cfg to scheduler via MAC
-*
-* @details
-*
-* Function : duSendSchGnbCfg
-*
-* Functionality: Send gNB cfg to scheduler via MAC
-*
-* @return ROK - success
-* RFAILED - failure
-*
-* ****************************************************************/
-S16 duSendSchGnbCfg()
+/*******************************************************************
+ * @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;
- RgrCfgReqInfo *cfgReq = NULLP;
- MacSchedGnbCfg *cfg = NULLP;
- U32 transId = 1;
+ //printPageList(&(cellCb->pagingInfoMap));
- DU_ALLOC(cfgReq, sizeof(RgrCfgReqInfo));
- if( cfgReq == NULLP)
+ /*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("\nDU_APP : Mem allocation failed in duSendSchGnbCfg");
+ DU_LOG("\nERROR --> DU APP: MAX Iterations reached for UEID:%d, thus Paging is dropped!", rcvdF1apPagingParam->pagUeId);
return RFAILED;
}
- cfgReq->action = SCH_CONFIG;
- cfgReq->u.cfgInfo.cfgType = MAC_GNB_CFG;
- cfg = &(cfgReq->u.cfgInfo.u.schedGnbCfg);
- cfg->numTxAntPorts = duCfgParam.schedCfg.numTxAntPorts;
- cfg->ulSchdType = duCfgParam.schedCfg.ulSchdType;
- cfg->dlSchdType = duCfgParam.schedCfg.dlSchdType;
- cfg->numCells = duCfgParam.schedCfg.numCells;
- cfg->maxUlUePerTti = duCfgParam.schedCfg.maxUlUePerTti;
- cfg->maxDlUePerTti = duCfgParam.schedCfg.maxDlUePerTti;
+ /*[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->i_s, &(pagInfoLLFromPF->pagInfoList), CREATE);
- if(ROK != duSendSchGnbCfgToMac(cfgReq, transId))
+ if(pageUeLL != NULLP)
+ {
+ /*[Step3]: Check whether MAX UE Record against this PF and i_s has reached*/
+ if(pageUeLL->pagUeList.count < MAX_PAGING_UE_RECORDS)
+ {
+ /*[Step4]: Insert the Paging Record to the end of the UE record List*/
+ ueRecord = handlePageUeLL(rcvdF1apPagingParam, &(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->i_s, &(pagInfoLLFromPF->pagInfoList), CREATE);
+ ueRecord = handlePageUeLL(rcvdF1apPagingParam, &(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);
+ }
+ //printPageList(&(cellCb->pagingInfoMap));
return ROK;
+
+
}
-/******************************************************************
-*
-* @brief Send gNB cfg to scheduler via MAC
-*
-* @details
-*
-* Function : duSendSchGnbCfgToMac
-*
-* Functionality: Send gNB cfg to scheduler via MAC
-*
-* @return ROK - success
-* RFAILED - failure
-*
-* ****************************************************************/
-S16 duSendSchGnbCfgToMac(RgrCfgReqInfo *cfgReq, U32 trans_id)
+/*******************************************************************
+ * @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)
{
- RgrCfgTransId transId;
- Pst pst;
+ uint8_t ns = 0;
+ uint16_t T=0, N=0, pagingFrame = 0, n = 0;
+ uint16_t currentSfn = 0, sfn = 0, newSfn = 0;
+ PcchCfg duPcchCfg;
+
+ DU_LOG("\nINFO --> DU APP : Start filling paging parameters in DuCellCb");
+ 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;
- DU_SET_ZERO(&pst, sizeof(Pst));
- DU_SET_ZERO(&transId, sizeof(RgrCfgTransId));
+ /*Multiplication Factor(x) to find the next best SFN to process paging*/
- transId.trans[0] = MAC_GNB_CFG;
- transId.trans[1] = cfgReq->action;
- transId.trans[7] = trans_id & 0x000000ff; trans_id >>= 8;
- transId.trans[6] = trans_id & 0x000000ff; trans_id >>= 8;
- transId.trans[5] = trans_id & 0x000000ff; trans_id >>= 8;
- transId.trans[4] = trans_id & 0x000000ff; trans_id >>= 8;
+ /*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;
+ }
- pst.selector = DU_SELECTOR_LC;
- pst.srcEnt = ENTDUAPP;
- pst.dstEnt = ENTRG;
- pst.dstInst = (Inst)0;
- pst.dstProcId = DU_PROC;
- pst.srcProcId = DU_PROC;
- pst.region = duCb.init.region;
- pst.event = (Event) EVTMACSCHCFGREQ;
+ newSfn = pagingFrame + T * n;
- cmPkRgrCfgReq(&pst, transId, cfgReq);
+ /*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