#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
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(buildAndSendPagingReqToMac(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);
+ return ROK;
+}
+
/*****************************************************************
* @brief Handles slot indication from MAC
*
uint8_t duHandleSlotInd(Pst *pst, SlotTimingInfo *slotIndInfo)
{
uint8_t cellIdx = 0, ret = ROK;
- DuCellCb *duCellCb;
+ DuCellCb *duCellCb = NULLP;
if(slotIndInfo)
{
{
duCellCb->currSlotInfo.sfn = slotIndInfo->sfn;
duCellCb->currSlotInfo.slot = slotIndInfo->slot;
+ checkPagingRecord(duCellCb);
}
else
{
}
/*******************************************************************
- * @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
+ * @brief Free PCCH PDU structure
*
* @details
*
- * Function : handlePageInfoLL
+ * Function : freePcchPdu
*
- * Functionality: Handling the (SEARCH,CREATE,DELETE) PageInfoList
+ * Functionality: Free PCCH PDU structure
*
- * @params[in] uint8_t i_s, CmLListCp *pagInfoLL, ActionTypeLL action
+ * @params[in] PCCH_Message_t *pcchMsg
*
- * @return DuPagUeList
+ * @return void
*
* ****************************************************************/
-DuPagUeList* handlePageInfoLL(uint8_t i_s, CmLListCp *pagInfoLL, ActionTypeLL action)
+void freePcchPdu(PCCH_Message_t *pcchMsg)
{
- CmLList *node = NULLP;
- DuPagUeList *pagInfo = NULLP;
- bool found = FALSE;
+ PagingRrc_t *pagingMsg = NULLP;
+ uint8_t recordIdx = 0;
- if(pagInfoLL == NULLP)
+ if(pcchMsg != 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)
+ if(pcchMsg->message.choice.c1 != NULLP)
{
- found = TRUE;
- break;
- }
- node = node->next;
- }
-
- switch(action)
- {
- case SEARCH:
- {
- if(!found)
- {
- pagInfo = NULLP;
- }
- return pagInfo;
- }
-
- case CREATE:
- {
- 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 DELETE:
+ pagingMsg = pcchMsg->message.choice.c1->choice.paging;
+ if(pagingMsg != NULLP)
{
- if(!found || pagInfo == NULLP)
+ if(pagingMsg->pagingRecordList)
{
- DU_LOG("\nERROR --> DU APP: i_s:%d not found; thus Deletion unsuccessful",i_s);
+ 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));
}
- 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("\nERROR --> DU APP: Incorrect ActionType:%d on PageInfo List",action);
+ 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));
}
- return NULLP;
}
/*******************************************************************
- * @brief Handle the PageUe List
+ * @brief Builds the Paging RRC PDU and forwards it to MAC
*
* @details
*
- * Function : handlePageUeLL
+ * Function : buildAndSendPagingReqToMac
*
- * Functionality: Handling the (SEARCH,CREATE,DELETE) PageUeList
+ * Functionality: Builds the Paging RRC PDU[As per Spec 38.331, Annexure A]
+ * and forwards it to MAC as Buffer along with PF and i_s
*
- * @params[in] DuPagingMsg *pagingParam, CmLListCp *pageUeLL, ActionTypeLL
- * action
+ * @params[in] uint16_t pf, uint8_t i_s,CmLListCp *pageUeLL
*
- * @return DuPagUeRecord
+ * @return ROK - success
+ * RFAILED - failure
*
* ****************************************************************/
-DuPagUeRecord* handlePageUeLL(DuPagingMsg *pagingParam, CmLListCp *pageUeLL, ActionTypeLL action)
+uint8_t buildAndSendPagingReqToMac(uint16_t pf, uint8_t i_s, CmLListCp *pageUeLL)
{
- CmLList *node = NULLP;
- DuPagUeRecord *ueRecord = NULLP;
- bool found = FALSE;
+ CmLList *node = NULLP, *next = NULLP;
+ DuPagUeRecord *ueRecord = NULLP;
+ PCCH_Message_t *pcchMsg = NULLP;
+ asn_enc_rval_t encRetVal;
+ PagingRrc_t *pagingMsg = NULLP;
+ MacPageReq *macPageReq = NULLP;
+ uint16_t bufIdx = 0;
+ 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)
+ if(pageUeLL == NULLP || pageUeLL->count == 0)
{
DU_LOG("\nERROR --> DU APP: UE Page Record LL is empty");
- return NULLP;
+ return RFAILED;
}
- node = pageUeLL->first;
- while(node)
+ while(true)
{
- ueRecord = (DuPagUeRecord *)node->node;
- if(ueRecord && (ueRecord->pagUeId == pagingParam->pagUeId &&
- ueRecord->sTmsi == pagingParam->sTmsi))
+ memset(&encRetVal, 0, sizeof(asn_enc_rval_t));
+ DU_ALLOC(pcchMsg , sizeof(PCCH_Message_t));
+ if(pcchMsg == NULLP)
{
- found = TRUE;
+ DU_LOG("\nERROR --> DU APP: buildAndSendPagingToMac(): (pccchMsg) Memory Alloction failed!");
break;
}
- node = node->next;
- }
-
- switch(action)
- {
- case SEARCH:
- {
- if(!found)
- {
- ueRecord = NULLP;
- }
- return ueRecord;
- }
-
- case CREATE:
- {
- if(node != NULLP)
- return ueRecord;
+ 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: buildAndSendPagingToMac(); (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));
- /*Need to add a new node for this LC*/
+ pagingMsg = pcchMsg->message.choice.c1->choice.paging;
+ if(pagingMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: buildAndSendPagingToMac(); (Paging) Memory Alloction failed!");
+ break;
+ }
+ DU_ALLOC(pagingMsg->pagingRecordList, sizeof(PagingRecordList_t));
+ if(pagingMsg->pagingRecordList == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: buildAndSendPagingToMac(); (Paging Record List) Memory Alloction failed!");
+ break;
+ }
- /*List is empty; Initialize the LL ControlPointer*/
- if(pageUeLL->count == 0)
- {
- cmLListInit(pageUeLL);
- }
+ pagingMsg->pagingRecordList->list.count = pageUeLL->count;
- 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;
- }
+ /*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;
+ }
- 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;
+ 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: buildAndSendPagingToMac(); (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: buildAndSendPagingToMac(); (Record) Memory Alloction failed!");
+ break;
}
- case DELETE:
+ }
+ recordIdx = 0;
+ node = pageUeLL->first;
+ while(node && (recordIdx < MAX_PAGING_UE_RECORDS))
+ {
+ next = node->next;
+ ueRecord = (DuPagUeRecord *)node->node;
+ if(ueRecord)
{
- if(!found || ueRecord == NULLP)
+ /*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: UeId:%d not found; thus Deletion unsuccessful",pagingParam->pagUeId);
+ DU_LOG("\nERROR --> DU APP: buildAndSendPagingToMac(); (5gsTmsi buffer) Memory Allocation failed!");
+ break;
}
- else
- {
- if(duDelNodeFromLList(pageUeLL, node) == ROK)
- DU_FREE(ueRecord, sizeof(DuPagUeRecord));
+ fillBitString(&pagingMsg->pagingRecordList->list.array[recordIdx]->ue_Identity.choice.ng_5G_S_TMSI,\
+ unusedBitsInTmsi, totalByteInTmsi, ueRecord->sTmsi);
+ recordIdx++;
+ }
- DU_LOG("\nDEBUG --> DU APP: UeId:%d Deleted successfully",pagingParam->pagUeId);
- }
- return NULLP;
+ 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 RRCPDU for PagingMsg \n");
+
+ DU_ALLOC_SHRABL_BUF(macPageReq, sizeof(MacPageReq));
+ if(macPageReq == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: buildAndSendPagingToMac(); (macPageReq) Memory Alloction failed!");
+ break;
}
- default:
+
+ macPageReq->pf = pf;
+ macPageReq->i_s = i_s;
+ macPageReq->pduLen = encBufSize;
+ DU_ALLOC_SHRABL_BUF(macPageReq->pagePdu, macPageReq->pduLen);
+ if(macPageReq->pagePdu == NULLP)
{
- DU_LOG("\nERROR --> DU APP: Incorrect ActionType:%d on UeRecord",action);
+ DU_LOG("\nERROR --> DU APP: buildAndSendPagingToMac(); (PagePDU) Memory Alloction failed!");
+ break;
}
+ memcpy(macPageReq->pagePdu, encBuf, macPageReq->pduLen);
+ }
+ ret = ROK;
+ break;
}
- return NULLP;
+ freePcchPdu(pcchMsg);
+ return ret;
}
/*******************************************************************
DuPagUeList *pageUeLL = NULLP;
DuPagUeRecord *ueRecord = NULLP;
- //printPageList(&(cellCb->pagingInfoMap));
+#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*/
if(pagInfoLLFromPF != NULLP)
{
/*[Step2]: Extracting the PageInfo List for the Paging Indices(i_s)*/
- pageUeLL = handlePageInfoLL(rcvdF1apPagingParam->i_s, &(pagInfoLLFromPF->pagInfoList), CREATE);
+ 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*/
+ /*[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, &(pageUeLL->pagUeList), CREATE);
+ ueRecord = handlePageUeLL(rcvdF1apPagingParam->pagUeId, rcvdF1apPagingParam->sTmsi,\
+ &(pageUeLL->pagUeList), CREATE);
if(ueRecord == NULLP)
{
return RFAILED;
}
pagInfoLLFromPF->pf = rcvdF1apPagingParam->pagingFrame;
- pageUeLL = handlePageInfoLL(rcvdF1apPagingParam->i_s, &(pagInfoLLFromPF->pagInfoList), CREATE);
- ueRecord = handlePageUeLL(rcvdF1apPagingParam, &(pageUeLL->pagUeList), CREATE);
+ 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);
}
- //printPageList(&(cellCb->pagingInfoMap));
+#if 0
+ printPageList(&(cellCb->pagingInfoMap));
+#endif
+
return ROK;
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 */
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");
+ DU_LOG("\nINFO --> DU APP : Successfully filled paging parameter in DuCellCb");
memcpy(&cellCb->tmpPagingInfoOfUe, rcvdF1apPagingParam, sizeof(DuPagingMsg));
}
else
Code Review / o-du / l2.git / blobdiff