* @return void
**/
-uint8_t fillUlSchedPucchDedicatedCfg(uint16_t numSlots, SchPucchCfg *pucchDedCfg,\
+uint8_t fillUlSchedPucchDedicatedCfg(SchCellCb *cell, SchPucchCfg *pucchDedCfg,\
SlotTimingInfo *slotInfo, SchPucchInfo *ulSchedPucch)
{
uint8_t ret, resrcSetIdx, resrcIdx, schedReqIdx, srPeriodicity = 0;
uint16_t srOffset = 0;
-
+ uint16_t numSlots = cell->numSlots;
+ bool isAllocated = false;
+ uint16_t pucchStartPrb;
ret = ROK;
if(pucchDedCfg->resrcSet && pucchDedCfg->resrc)
{
for(resrcIdx = 0; resrcIdx < pucchDedCfg->resrc->resrcToAddModListCount; resrcIdx++)
{
if(pucchDedCfg->resrcSet->resrcSetToAddModList[resrcSetIdx].resrcList[resrcSetIdx] ==\
- pucchDedCfg->resrc->resrcToAddModList[resrcIdx].resrcId)
- {
+ pucchDedCfg->resrc->resrcToAddModList[resrcIdx].resrcId)
+ {
ulSchedPucch->intraFreqHop = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].intraFreqHop;
ulSchedPucch->secondPrbHop = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].secondPrbHop;
ulSchedPucch->fdAlloc.startPrb = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].startPrb;
- ulSchedPucch->pucchFormat = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].pucchFormat;
- ret = fillUlSchedPucchFormat(ulSchedPucch->pucchFormat, ulSchedPucch,\
- &pucchDedCfg->resrc->resrcToAddModList[resrcIdx], NULLP);
- if(ret == RFAILED)
- return ret;
- }
+ ulSchedPucch->pucchFormat = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].pucchFormat;
+ ret = fillUlSchedPucchFormat(ulSchedPucch->pucchFormat, ulSchedPucch,\
+ &pucchDedCfg->resrc->resrcToAddModList[resrcIdx], NULLP);
+ if(ret == RFAILED)
+ return ret;
+
+ pucchStartPrb = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].startPrb;
+ ret = allocatePrbUl(cell, *slotInfo, ulSchedPucch->tdAlloc.startSymb, ulSchedPucch->tdAlloc.numSymb, &pucchStartPrb, PUCCH_NUM_PRB_FORMAT_0_1_4);
+ if(ret == ROK)
+ {
+ isAllocated = true;
+ break;
+ }
+ }
}
+ if(isAllocated)
+ break;
}
}
+
if(pucchDedCfg->format1)
{
memset(&ulSchedPucch->cmnFormatCfg, 0, sizeof(SchPucchFormatCfg));
if(ret == RFAILED)
return ret;
}
-
+
+ if(!isAllocated)
+ {
+ return RFAILED;
+ }
+
/* setting SR and UCI flag */
if(pucchDedCfg->schedReq)
{
* @return ROK/RFAILED
**/
-uint16_t fillPucchResourceInfo(SchPucchInfo *schPucchInfo, Inst inst)
+uint16_t fillPucchResourceInfo(SchPucchInfo *schPucchInfo, Inst inst, SlotTimingInfo slotInfo)
{
- uint8_t ret = ROK, ueIdx = 0, pucchIdx = 0;
+ uint8_t ret = ROK, ueId = 0, ueIdx = 0, pucchIdx = 0;
SchCellCb *cell = schCb[inst].cells[inst];
SchPucchCfgCmn *pucchCfg = NULLP;
SchBwpParams *ulBwp = NULLP;
+ uint16_t startPrb;
- GET_UE_IDX(schPucchInfo->rnti, ueIdx);
+ GET_UE_ID(schPucchInfo->rnti, ueId);
+ ueIdx = ueId -1;
if(cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfgPres)
{
/* fill pucch dedicated cfg */
- ret = fillUlSchedPucchDedicatedCfg(cell->numSlots,\
- &cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfg, &cell->slotInfo, schPucchInfo);
+ ret = fillUlSchedPucchDedicatedCfg(cell,\
+ &cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfg, &slotInfo, schPucchInfo);
if(ret == RFAILED)
{
memset(schPucchInfo, 0, sizeof(SchPucchInfo));
pucchCfg = &cell->cellCfg.schInitialUlBwp.pucchCommon;
pucchIdx = pucchCfg->pucchResourceCommon;
ulBwp = &cell->cellCfg.schInitialUlBwp.bwp;
- schPucchInfo->fdAlloc.startPrb = ulBwp->freqAlloc.startPrb + pucchResourceSet[pucchIdx][3];
- schPucchInfo->fdAlloc.numPrb = PUCCH_NUM_PRB_FORMAT_0_1_4;
- schPucchInfo->tdAlloc.startSymb = pucchResourceSet[pucchIdx][1];
- schPucchInfo->tdAlloc.numSymb = pucchResourceSet[pucchIdx][2];
- schPucchInfo->pucchFormat = pucchResourceSet[pucchIdx][0];
-
- /* set SR and UCI flag to false */
- schPucchInfo->srFlag = true;
- schPucchInfo->uciFlag = true;
+ startPrb = ulBwp->freqAlloc.startPrb + pucchResourceSet[pucchIdx][3];
+ ret = allocatePrbUl(cell, slotInfo, pucchResourceSet[pucchIdx][1], pucchResourceSet[pucchIdx][2],\
+ &startPrb, PUCCH_NUM_PRB_FORMAT_0_1_4);
+ if (ret == ROK)
+ {
+ schPucchInfo->fdAlloc.startPrb = ulBwp->freqAlloc.startPrb + pucchResourceSet[pucchIdx][3];
+ schPucchInfo->fdAlloc.numPrb = PUCCH_NUM_PRB_FORMAT_0_1_4;
+ schPucchInfo->tdAlloc.startSymb = pucchResourceSet[pucchIdx][1];
+ schPucchInfo->tdAlloc.numSymb = pucchResourceSet[pucchIdx][2];
+ schPucchInfo->pucchFormat = pucchResourceSet[pucchIdx][0];
+
+ /* set SR and UCI flag to false */
+ schPucchInfo->srFlag = true;
+ schPucchInfo->uciFlag = true;
+ }
}
/* set HARQ flag to true */
schPucchInfo->harqFlag = true;
if(schUlSlotInfo->pucchPres)
{
- ulSchedInfo.dataType |= SCH_DATATYPE_UCI;
- fillPucchResourceInfo(&schUlSlotInfo->schPucchInfo, schInst);
- memcpy(&ulSchedInfo.schPucchInfo, &schUlSlotInfo->schPucchInfo,
- sizeof(SchPucchInfo));
+ ret = fillPucchResourceInfo(&schUlSlotInfo->schPucchInfo, schInst, ulTimingInfo);
+ if (ret == ROK)
+ {
+ ulSchedInfo.dataType |= SCH_DATATYPE_UCI;
+ memcpy(&ulSchedInfo.schPucchInfo, &schUlSlotInfo->schPucchInfo,
+ sizeof(SchPucchInfo));
+ }
memset(&schUlSlotInfo->schPucchInfo, 0, sizeof(SchPucchInfo));
}
uint8_t schDlRsrcAllocDlMsg(SchCellCb *cell, SlotTimingInfo slotTime, uint16_t crnti,
uint32_t tbSize, DlMsgAlloc *dlMsgAlloc, uint16_t startPRB, uint8_t pdschStartSymbol, uint8_t pdschNumSymbols)
{
- uint8_t ueIdx;
+ uint8_t ueId=0;
PdcchCfg *pdcch = NULLP;
PdschCfg *pdsch = NULLP;
BwpCfg *bwp = NULLP;
pdsch = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].dlMsgPdschCfg;
bwp = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].bwp;
- GET_UE_IDX(crnti, ueIdx);
- ueCb = cell->ueCb[ueIdx-1];
+ GET_UE_ID(crnti, ueId);
+ ueCb = cell->ueCb[ueId-1];
coreset1 = ueCb.ueCfg.spCellCfg.servCellCfg.initDlBwp.pdcchCfg.cRSetToAddModList[0];
pdschCfg = ueCb.ueCfg.spCellCfg.servCellCfg.initDlBwp.pdschCfg;
* I/P > mcsIdx and PDSCH symbols count
* I/P & O/P > Shared PRB , reserved PRB Count
* I/P & O/P > Total TBS size accumulated
- * I/P & O/P > isTxPayloadLenAdded : Decision flag to add the TX_PAYLOAD_HDR_LEN
+ * I/P & O/P > isTxPayloadLenAdded[For DL] : Decision flag to add the TX_PAYLOAD_HDR_LEN
+ * I/P & O/P > srRcvd Flag[For UL] : Decision flag to add UL_GRANT_SIZE
*
* @return void
*
* *******************************************************************************************/
void prbAllocUsingRRMPolicy(CmLListCp *lcLL, bool isDedicatedPRB, uint16_t mcsIdx,uint8_t numSymbols,\
- uint16_t *sharedPRB, uint16_t *reservedPRB, bool *isTxPayloadLenAdded)
+ uint16_t *sharedPRB, uint16_t *reservedPRB, bool *isTxPayloadLenAdded, bool *srRcvd)
{
CmLList *node = NULLP;
LcInfo *lcNode = NULLP;
/*[Exit1]: All LCs are allocated(allocBO = 0 for fully unallocated LC)*/
if(lcNode->allocBO != 0)
{
- DU_LOG("\nWARNING --> SCH: All LC are allocated [SharedPRB:%d]",*sharedPRB);
+ DU_LOG("\nDEBUG --> SCH: All LC are allocated [SharedPRB:%d]",*sharedPRB);
return;
}
/*Loop Exit: All resources exhausted*/
if(remReservedPRB == 0 && *sharedPRB == 0)
{
- DU_LOG("\nWARNING --> SCH: Dedicated resources exhausted for LC:%d",lcNode->lcId);
+ DU_LOG("\nDEBUG --> SCH: Dedicated resources exhausted for LC:%d",lcNode->lcId);
return;
}
}
/*Loop Exit: All resources exhausted*/
if(*sharedPRB == 0)
{
- DU_LOG("\nWARNING --> SCH: Default resources exhausted for LC:%d",lcNode->lcId);
+ DU_LOG("\nDEBUG --> SCH: Default resources exhausted for LC:%d",lcNode->lcId);
return;
}
}
maxPRB = remReservedPRB + *sharedPRB;
/*[Step4]*/
- if(!(*isTxPayloadLenAdded))
+ if((isTxPayloadLenAdded != NULLP) && (*isTxPayloadLenAdded == FALSE))
{
- DU_LOG("\nINFO --> SCH: LC:%d is the First node to be allocated which includes TX_PAYLOAD_HDR_LEN",\
+ DU_LOG("\nDEBUG --> SCH: LC:%d is the First node to be allocated which includes TX_PAYLOAD_HDR_LEN",\
lcNode->lcId);
*isTxPayloadLenAdded = TRUE;
lcNode->allocBO = calculateEstimateTBSize((lcNode->reqBO + TX_PAYLOAD_HDR_LEN),\
mcsIdx, numSymbols, maxPRB, &estPrb);
lcNode->allocBO -=TX_PAYLOAD_HDR_LEN;
}
+ else if((srRcvd != NULLP) && (*srRcvd == TRUE))
+ {
+ DU_LOG("\nDEBUG --> SCH: LC:%d is the First node to be allocated which includes UL_GRANT_SIZE",\
+ lcNode->lcId);
+ *srRcvd = FALSE;
+ lcNode->reqBO += UL_GRANT_SIZE;
+ lcNode->allocBO = calculateEstimateTBSize(lcNode->reqBO, mcsIdx, numSymbols, maxPRB, &estPrb);
+ }
else
{
/*[Step4]*/
{
if(*sharedPRB <= (estPrb - remReservedPRB))
{
- DU_LOG("\nINFO --> SCH: SharedPRB is less");
+ DU_LOG("\nDEBUG --> SCH: SharedPRB is less");
*sharedPRB = 0;
}
else
* BO Report in dlMsgAlloc Pointer
*
* @params[in] I/P > lcLinkList pointer (LcInfo list)
- * I/P & O/P > dlMsgAlloc(Pending LC to be added in this context)
+ * I/P & O/P > dlMsgAlloc[for DL](Pending LC to be added in this context)
+ * I/P & O/P > BsrInfo (applicable for UL)
* I/P & O/P > accumalatedBOSize
* @return void
*
* *******************************************************************************************/
-void updateGrantSizeForBoRpt(CmLListCp *lcLL, DlMsgAlloc *dlMsgAlloc, uint32_t *accumalatedBOSize)
+void updateGrantSizeForBoRpt(CmLListCp *lcLL, DlMsgAlloc *dlMsgAlloc,\
+ BsrInfo *bsrInfo, uint32_t *accumalatedBOSize)
{
CmLList *node = NULLP, *next = NULLP;
LcInfo *lcNode = NULLP;
return;
}
- dlMsgSchInfo = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo];
-
/*Traverse List*/
while(node)
{
lcNode = (LcInfo *)node->node;
if(lcNode != NULLP)
{
- DU_LOG("\nINFO --> SCH : LcID:%d, [reqBO, allocBO, allocPRB]:[%d,%d,%d]",\
+ DU_LOG("\nINFO --> SCH : LcID:%d, [reqBO, allocBO, allocPRB]:[%d,%d,%d]",\
lcNode->lcId, lcNode->reqBO, lcNode->allocBO, lcNode->allocPRB);
+ if(dlMsgAlloc != NULLP)
+ {
+ dlMsgSchInfo = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo];
- /*Add this LC to dlMsgAlloc so that if this LC gets allocated, BO
- * report for allocation can be sent to MAC*/
- dlMsgSchInfo->lcSchInfo[dlMsgSchInfo->numLc].lcId = lcNode->lcId;
- dlMsgSchInfo->lcSchInfo[dlMsgSchInfo->numLc].schBytes = lcNode->allocBO;
+ /*Add this LC to dlMsgAlloc so that if this LC gets allocated, BO
+ * report for allocation can be sent to MAC*/
+ dlMsgSchInfo->lcSchInfo[dlMsgSchInfo->numLc].lcId = lcNode->lcId;
+ dlMsgSchInfo->lcSchInfo[dlMsgSchInfo->numLc].schBytes = lcNode->allocBO;
- /*Calculate the Total Payload/BO size allocated*/
- *accumalatedBOSize += dlMsgSchInfo->lcSchInfo[dlMsgSchInfo->numLc].schBytes;
+ /*Calculate the Total Payload/BO size allocated*/
+ *accumalatedBOSize += dlMsgSchInfo->lcSchInfo[dlMsgSchInfo->numLc].schBytes;
- DU_LOG("\nINFO --> SCH: Added in MAC BO report: LCID:%d,reqBO:%d,Idx:%d, TotalBO Size:%d",\
- lcNode->lcId,lcNode->reqBO, dlMsgSchInfo->numLc, *accumalatedBOSize);
+ DU_LOG("\nINFO --> SCH: Added in MAC BO report: LCID:%d,reqBO:%d,Idx:%d, TotalBO Size:%d",\
+ lcNode->lcId,lcNode->reqBO, dlMsgSchInfo->numLc, *accumalatedBOSize);
- dlMsgSchInfo->numLc++;
- /*The LC has been fully allocated, clean it*/
- if(lcNode->reqBO == 0)
+ dlMsgSchInfo->numLc++;
+ /*The LC has been fully allocated, clean it*/
+ if(lcNode->reqBO == 0)
+ {
+ handleLcLList(lcLL, lcNode->lcId, DELETE);
+ }
+ }
+ else if(bsrInfo != NULLP)
{
- handleLcLList(lcLL, lcNode->lcId, DELETE);
+ *accumalatedBOSize += lcNode->allocBO;
+ DU_LOG("\nINFO --> SCH: UL : LCID:%d,reqBO:%d, TotalBO Size:%d",\
+ lcNode->lcId,lcNode->reqBO, *accumalatedBOSize);
}
}
node = next;
cell->schDlSlotInfo[pdcchTime.slot]->pdcchUe = ueId;
cell->schDlSlotInfo[pdschTime.slot]->pdschUe = ueId;
- cell->schUlSlotInfo[pucchTime.slot]->puschUe = ueId;
+ cell->schUlSlotInfo[pucchTime.slot]->pucchUe = ueId;
cell->raCb[ueId-1].msg4recvd = FALSE;
return true;
}
+
+/*******************************************************************
+ *
+ * @brief Handler to calculate TBS size for BSR requested
+ *
+ * @details
+ *
+ * Function : schCalculateUlTbs
+ *
+ * Functionality: Function will note the required TBS for each LCGIDX and use
+ * the Priority LCG List and RRM policy to allocate the TBS size
+ *
+ * @params [in] ueCb (Pointer to UE CB)
+ * [in] puschTime (Time slot where PUSCH will be sent)
+ * [in] symbLen (No of Symbols used for PUSCH transmission)
+ * [out] startPrb(Pointer to startPRB which will be calculated while
+ * finding the best Free Block)
+ * [out] totTBS(Pointer to total TBS size)
+ *
+ * @return bool : true > Scheduling of UL grant is successful
+ * false > vice versa
+ *
+ * ****************************************************************/
+bool schCalculateUlTbs(SchUeCb *ueCb, SlotTimingInfo puschTime, uint8_t symbLen,\
+ uint16_t *startPrb, uint32_t *totTBS)
+{
+ uint16_t mcsIdx = 0;
+ CmLListCp *lcLL = NULLP;
+ uint16_t lcgIdx = 0, lcId =0, maxFreePRB = 0;
+
+ *startPrb = 0;
+ *totTBS = 0;
+
+ /* check for BSR */
+ for(lcgIdx=0; lcgIdx<MAX_NUM_LOGICAL_CHANNEL_GROUPS; lcgIdx++)
+ {
+ if(ueCb->bsrInfo[lcgIdx].dataVol == 0)
+ {
+ continue;
+ }
+
+ /*TODO: lcgIdx and LCID has been implemented as one to one mapping.
+ * Need to check the mapping to figure out the LCID and lcgIdx once L2
+ * spec specifies any logic*/
+ lcId = lcgIdx;
+ if(ueCb->ulInfo.ulLcCtxt[lcId].isDedicated)
+ {
+ lcLL = &(ueCb->ulLcPrbEst.dedLcInfo->dedLcList);
+ }
+ else
+ {
+ lcLL = &(ueCb->ulLcPrbEst.defLcList);
+ }
+
+ /*[Step2]: Update the reqPRB and Payloadsize for this LC in the appropriate List*/
+ if(updateLcListReqPRB(lcLL, lcId, ueCb->bsrInfo[lcgIdx].dataVol) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH: LcgId:%d updation failed",lcId);
+ return false;
+ }
+ }
+
+ if ((ueCb->ulLcPrbEst.defLcList.count == 0) && \
+ ((ueCb->ulLcPrbEst.dedLcInfo == NULL) || (ueCb->ulLcPrbEst.dedLcInfo->dedLcList.count == 0)))
+ {
+ if(ueCb->srRcvd)
+ {
+ *startPrb = MAX_NUM_RB;
+ *totTBS = schCalcTbSize(UL_GRANT_SIZE);
+ }
+
+ /*Returning true when NO Grant is there for UE as this is not scheduling
+ * error*/
+ return (true);
+ }
+
+ maxFreePRB = searchLargestFreeBlock(ueCb->cellCb, puschTime, startPrb, DIR_UL);
+
+ /*[Step4]: Estimation of PRB and BO which can be allocated to each LC in
+ * the list based on RRM policy*/
+
+ /*Either this UE contains no reservedPRB pool fir dedicated S-NSSAI or
+ * Num of Free PRB available is not enough to reserve Dedicated PRBs*/
+ if(maxFreePRB != 0)
+ {
+ mcsIdx = ueCb->ueCfg.ulModInfo.mcsIndex;
+ if((ueCb->ulLcPrbEst.dedLcInfo == NULLP)
+ || ((maxFreePRB < ueCb->ulLcPrbEst.dedLcInfo->rsvdDedicatedPRB)))
+ {
+ ueCb->ulLcPrbEst.sharedNumPrb = maxFreePRB;
+ DU_LOG("\nDEBUG --> SCH : UL Only Default Slice is scheduled, sharedPRB Count:%d",\
+ ueCb->ulLcPrbEst.sharedNumPrb);
+
+ /*PRB Alloc for Default LCs*/
+ prbAllocUsingRRMPolicy(&(ueCb->ulLcPrbEst.defLcList), FALSE, mcsIdx, symbLen,\
+ &(ueCb->ulLcPrbEst.sharedNumPrb), NULLP, NULLP,&(ueCb->srRcvd));
+ }
+ else
+ {
+ ueCb->ulLcPrbEst.sharedNumPrb = maxFreePRB - ueCb->ulLcPrbEst.dedLcInfo->rsvdDedicatedPRB;
+
+ /*PRB Alloc for Dedicated LCs*/
+ prbAllocUsingRRMPolicy(&(ueCb->ulLcPrbEst.dedLcInfo->dedLcList), TRUE, mcsIdx, symbLen,\
+ &(ueCb->ulLcPrbEst.sharedNumPrb), &(ueCb->ulLcPrbEst.dedLcInfo->rsvdDedicatedPRB),\
+ NULLP,&(ueCb->srRcvd));
+
+ /*PRB Alloc for Default LCs*/
+ prbAllocUsingRRMPolicy(&(ueCb->ulLcPrbEst.defLcList), FALSE, mcsIdx, symbLen, \
+ &(ueCb->ulLcPrbEst.sharedNumPrb), &(ueCb->ulLcPrbEst.dedLcInfo->rsvdDedicatedPRB),\
+ NULLP,&(ueCb->srRcvd));
+ }
+ }
+ /*[Step5]:Traverse each LCID in LcList to calculate the exact Scheduled Bytes
+ * using allocated BO per LC and Update dlMsgAlloc(BO report for MAC*/
+ if(ueCb->ulLcPrbEst.dedLcInfo != NULLP)
+ updateGrantSizeForBoRpt(&(ueCb->ulLcPrbEst.dedLcInfo->dedLcList), NULLP, ueCb->bsrInfo, totTBS);
+
+ updateGrantSizeForBoRpt(&(ueCb->ulLcPrbEst.defLcList), NULLP, ueCb->bsrInfo, totTBS);
+
+ /*Below case will hit if NO LC(s) are allocated due to resource crunch*/
+ if (*totTBS == 0)
+ {
+ if(maxFreePRB == 0)
+ {
+ DU_LOG("\nERROR --> SCH : NO FREE PRB!!");
+ }
+ else
+ {
+ /*Schedule the LC for next slot*/
+ DU_LOG("\nDEBUG --> SCH : No LC has been scheduled");
+ }
+ return (false);
+ }
+ return (true);
+}
+
+/*******************************************************************
+ *
+ * @brief sch Process pending Sr or Bsr Req
+ *
+ * @details
+ *
+ * Function : schProcessSrOrBsrReq
+ *
+ * Functionality:
+ * sch Process pending Sr or Bsr Req
+ *
+ * @params[in] SchCellCb *cell, SlotTimingInfo currTime
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ *******************************************************************/
+bool schProcessSrOrBsrReq(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId)
+{
+ bool k2Found = FALSE, ret = FALSE;
+ uint8_t startSymb = 0, symbLen = 0;
+ uint8_t k2TblIdx = 0, k2Index = 0, k2Val = 0;
+ uint16_t startPrb = 0;
+ uint32_t totDataReq = 0; /* in bytes */
+ SchUeCb *ueCb;
+ SchPuschInfo *puschInfo;
+ DciInfo *dciInfo = NULLP;
+ SchK2TimingInfoTbl *k2InfoTbl=NULLP;
+ SlotTimingInfo dciTime, puschTime;
+
+ if(cell == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : Cell is NULL");
+ return false;
+ }
+
+ ueCb = &cell->ueCb[ueId-1];
+
+ if(ueCb == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : UE is NULL");
+ return false;
+ }
+ /* Calculating time frame to send DCI for SR */
+ ADD_DELTA_TO_TIME(currTime, dciTime, PHY_DELTA_DL + SCHED_DELTA);
+#ifdef NR_TDD
+ if(schGetSlotSymbFrmt(dciTime.slot, cell->slotFrmtBitMap) == DL_SLOT)
+#endif
+ {
+ if(ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.k2TblPrsnt)
+ k2InfoTbl = &ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.k2InfoTbl;
+ else
+ k2InfoTbl = &cell->cellCfg.schInitialUlBwp.k2InfoTbl;
+
+ for(k2TblIdx = 0; k2TblIdx < k2InfoTbl->k2TimingInfo[dciTime.slot].numK2; k2TblIdx++)
+ {
+ k2Index = k2InfoTbl->k2TimingInfo[dciTime.slot].k2Indexes[k2TblIdx];
+
+ if(!ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.k2TblPrsnt)
+ {
+ k2Val = cell->cellCfg.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].k2;
+ startSymb = cell->cellCfg.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].startSymbol;
+ symbLen = cell->cellCfg.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].symbolLength;
+ }
+ else
+ {
+ k2Val = ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.puschCfg.timeDomRsrcAllocList[k2Index].k2;
+ startSymb = ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.puschCfg.timeDomRsrcAllocList[k2Index].startSymbol;
+ symbLen = ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.puschCfg.timeDomRsrcAllocList[k2Index].symbolLength;
+ }
+
+ /* Calculating time frame to send PUSCH for SR */
+ ADD_DELTA_TO_TIME(dciTime, puschTime, k2Val);
+#ifdef NR_TDD
+ if(schGetSlotSymbFrmt(puschTime.slot, cell->slotFrmtBitMap) == DL_SLOT)
+ continue;
+#endif
+ if(cell->schUlSlotInfo[puschTime.slot]->puschUe != 0)
+ {
+ continue;
+ }
+ k2Found = true;
+ break;
+ }
+ }
+
+ if(k2Found == true)
+ {
+ ret = schCalculateUlTbs(ueCb, puschTime, symbLen, &startPrb, &totDataReq);
+ if(totDataReq > 0 && ret == TRUE)
+ {
+ SCH_ALLOC(dciInfo, sizeof(DciInfo));
+ if(!dciInfo)
+ {
+ DU_LOG("\nERROR --> SCH : Memory Allocation failed for dciInfo alloc");
+
+ if(ueCb->ulLcPrbEst.dedLcInfo != NULLP)
+ updateBsrAndLcList(&(ueCb->ulLcPrbEst.dedLcInfo->dedLcList), ueCb->bsrInfo, RFAILED);
+
+ updateBsrAndLcList(&(ueCb->ulLcPrbEst.defLcList), ueCb->bsrInfo, RFAILED);
+ return false;
+ }
+ cell->schDlSlotInfo[dciTime.slot]->ulGrant = dciInfo;
+ memset(dciInfo,0,sizeof(DciInfo));
+
+ /* Update PUSCH allocation */
+ if(schFillPuschAlloc(ueCb, puschTime, totDataReq, startSymb, symbLen, startPrb) == ROK)
+ {
+ if(cell->schUlSlotInfo[puschTime.slot]->schPuschInfo)
+ {
+ puschInfo = cell->schUlSlotInfo[puschTime.slot]->schPuschInfo;
+ if(puschInfo != NULLP)
+ {
+ /* Fill DCI for UL grant */
+ schFillUlDci(ueCb, puschInfo, dciInfo);
+ memcpy(&dciInfo->slotIndInfo, &dciTime, sizeof(SlotTimingInfo));
+ ueCb->srRcvd = false;
+ ueCb->bsrRcvd = false;
+ cell->schUlSlotInfo[puschTime.slot]->puschUe = ueId;
+ if(ueCb->ulLcPrbEst.dedLcInfo != NULLP)
+ updateBsrAndLcList(&(ueCb->ulLcPrbEst.dedLcInfo->dedLcList), ueCb->bsrInfo, ROK);
+
+ updateBsrAndLcList(&(ueCb->ulLcPrbEst.defLcList), ueCb->bsrInfo, ROK);
+ return true;
+ }
+ }
+ }
+
+ if(ueCb->ulLcPrbEst.dedLcInfo != NULLP)
+ updateBsrAndLcList(&(ueCb->ulLcPrbEst.dedLcInfo->dedLcList), ueCb->bsrInfo, RFAILED);
+
+ updateBsrAndLcList(&(ueCb->ulLcPrbEst.defLcList), ueCb->bsrInfo, RFAILED);
+ }
+ }
+ return (ret);
+}
+
+
+/*******************************************************************
+ *
+ * @brief sch Process pending Sr or Bsr Req
+ *
+ * @details
+ *
+ * Function : updateBsrAndLcList
+ *
+ * Functionality:
+ * Updating the BSRInfo in UECB and Lclist
+ *
+ * @params[in] SchCellCb *cell, SlotTimingInfo currTime
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ *******************************************************************/
+void updateBsrAndLcList(CmLListCp *lcLL, BsrInfo *bsrInfo, uint8_t status)
+{
+ CmLList *node = NULLP, *next = NULLP;
+ LcInfo *lcNode = NULLP;
+
+ if(lcLL == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH: LcList not present");
+ return;
+ }
+
+ if(lcLL->count)
+ {
+ node = lcLL->first;
+ }
+ else
+ {
+ /*lcLL is empty*/
+ return;
+ }
+
+ while(node)
+ {
+ next = node->next;
+ lcNode = (LcInfo *)node->node;
+ if(lcNode != NULLP)
+ {
+ /*Only when Status is OK then allocation is marked as ZERO and reqBO
+ * is updated in UE's DB. If Failure, then allocation is added to reqBO
+ * and same is updated in Ue's DB inside BSR Info structure*/
+ if(status == ROK)
+ {
+ lcNode->allocBO = 0;
+ }
+
+ lcNode->reqBO += lcNode->allocBO;
+ bsrInfo[lcNode->lcId].dataVol = lcNode->reqBO;
+ if(lcNode->reqBO == 0)
+ {
+ handleLcLList(lcLL, lcNode->lcId, DELETE);
+ }
+ }
+ node = next;
+ }
+}
/**********************************************************************
End of file
**********************************************************************/