* RFAILED - failure
*
* ****************************************************************/
-uint8_t schDlRsrcAllocMsg4(SchCellCb *cell, SlotTimingInfo msg4Time, uint8_t ueId, DlMsgAlloc *msg4Alloc, uint8_t k0Idx)
+uint8_t schDlRsrcAllocMsg4(SchCellCb *cell, SlotTimingInfo msg4Time, uint8_t ueId, DlMsgAlloc *dlMsgAlloc,\
+uint8_t pdschStartSymbol, uint8_t pdschNumSymbols)
{
uint8_t coreset0Idx = 0;
uint8_t firstSymbol = 0;
PdcchCfg *pdcch = NULLP;
PdschCfg *pdsch = NULLP;
BwpCfg *bwp = NULLP;
+ DlMsgSchInfo *msg4Alloc = NULLP;
if(cell == NULL)
{
return RFAILED;
}
- if(msg4Alloc == NULL)
+ if(dlMsgAlloc == NULL)
{
- DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : msg4Alloc is NULL");
+ DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : dlMsgAlloc is NULL");
return RFAILED;
}
+ msg4Alloc = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo];
initialBwp = &cell->cellCfg.schInitialDlBwp;
pdcch = &msg4Alloc->dlMsgPdcchCfg;
pdsch = &msg4Alloc->dlMsgPdschCfg;
bwp = &msg4Alloc->bwp;
coreset0Idx = initialBwp->pdcchCommon.commonSearchSpace.coresetId;
- msg4Alloc->dlMsgInfo = cell->raCb[ueId-1].dlMsgInfo;
- msg4Alloc->dlMsgInfo.isMsg4Pdu = true;
+ fillDlMsgInfo(&msg4Alloc->dlMsgInfo, cell->raCb[ueId-1].tcrnti);
+ msg4Alloc->dlMsgInfo.dlMsgPduLen = cell->raCb[ueId-1].dlMsgPduLen;
+
/* derive the sib1 coreset0 params from table 13-1 spec 38.213 */
numRbs = coresetIdxTable[coreset0Idx][1];
numSymbols = coresetIdxTable[coreset0Idx][2];
pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
pdsch->dmrs.dmrsAddPos = DMRS_ADDITIONAL_POS;
- pdsch->pdschTimeAlloc.timeAlloc.startSymb =initialBwp->pdschCommon.timeDomRsrcAllocList[k0Idx].startSymbol;
- pdsch->pdschTimeAlloc.timeAlloc.numSymb = initialBwp->pdschCommon.timeDomRsrcAllocList[k0Idx].lengthSymbol;
+ pdsch->pdschTimeAlloc.timeAlloc.startSymb = pdschStartSymbol;
+ pdsch->pdschTimeAlloc.timeAlloc.numSymb = pdschNumSymbols;
pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */
pdsch->pdschFreqAlloc.freqAlloc.startPrb = MAX_NUM_RB;
- pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize, mcs, \
- initialBwp->pdschCommon.timeDomRsrcAllocList[k0Idx].lengthSymbol);
+ pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize, mcs, pdschNumSymbols);
pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */
/* Find total symbols occupied including DMRS */
pdsch->txPdschPower.powerControlOffset = 0;
pdsch->txPdschPower.powerControlOffsetSS = 0;
+ msg4Alloc->dlMsgInfo.isMsg4Pdu = true;
return ROK;
}
*
* ****************************************************************/
uint8_t schDlRsrcAllocDlMsg(SchCellCb *cell, SlotTimingInfo slotTime, uint16_t crnti,
- uint32_t tbSize, DlMsgAlloc *dlMsgAlloc, uint16_t startPRB)
+ uint32_t tbSize, DlMsgAlloc *dlMsgAlloc, uint16_t startPRB, uint8_t pdschStartSymbol, uint8_t pdschNumSymbols)
{
uint8_t ueIdx;
PdcchCfg *pdcch = NULLP;
SchPdschConfig pdschCfg;
uint8_t dmrsStartSymbol, startSymbol, numSymbol;
- pdcch = &dlMsgAlloc->dlMsgPdcchCfg;
- pdsch = &dlMsgAlloc->dlMsgPdschCfg;
- bwp = &dlMsgAlloc->bwp;
+ pdcch = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].dlMsgPdcchCfg;
+ pdsch = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].dlMsgPdschCfg;
+ bwp = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].bwp;
GET_UE_IDX(crnti, ueIdx);
ueCb = cell->ueCb[ueIdx-1];
pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
pdsch->dmrs.dmrsAddPos = pdschCfg.dmrsDlCfgForPdschMapTypeA.addPos;
- pdsch->pdschTimeAlloc.timeAlloc.startSymb = pdschCfg.timeDomRsrcAllociList[0].startSymbol;
- pdsch->pdschTimeAlloc.timeAlloc.numSymb = pdschCfg.timeDomRsrcAllociList[0].symbolLength;
+ pdsch->pdschTimeAlloc.timeAlloc.startSymb = pdschStartSymbol;
+ pdsch->pdschTimeAlloc.timeAlloc.numSymb = pdschNumSymbols;
pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */
pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */
pdsch->pdschFreqAlloc.freqAlloc.startPrb = startPRB; /*Start PRB will be already known*/
- pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize, ueCb.ueCfg.dlModInfo.mcsIndex, \
- pdschCfg.timeDomRsrcAllociList[0].symbolLength);
+ pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize, ueCb.ueCfg.dlModInfo.mcsIndex, pdschNumSymbols);
/* Find total symbols occupied including DMRS */
dmrsStartSymbol = findDmrsStartSymbol(pdsch->dmrs.dlDmrsSymbPos);
* 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;
+ DlMsgSchInfo *dlMsgSchInfo = NULLP;
if(lcLL == NULLP)
{
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*/
- dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc].lcId = lcNode->lcId;
- dlMsgAlloc->lcSchInfo[dlMsgAlloc->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 += dlMsgAlloc->lcSchInfo[dlMsgAlloc->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, dlMsgAlloc->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);
- dlMsgAlloc->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;
return;
}
+/*******************************************************************
+*
+* @brief fill DL message information for MSG4 and Dedicated DL Msg
+*
+* @details
+*
+* Function : fillDlMsgInfo
+*
+* Functionality:
+* fill DL message information for MSG4 and Dedicated DL Msg
+*
+* @params[in] DlMsgInfo *dlMsgInfo, uint8_t crnti
+* @return void
+*
+*******************************************************************/
+void fillDlMsgInfo(DlMsgInfo *dlMsgInfo, uint8_t crnti)
+{
+ dlMsgInfo->crnti = crnti;
+ dlMsgInfo->ndi = 1;
+ dlMsgInfo->harqProcNum = 0;
+ dlMsgInfo->dlAssignIdx = 0;
+ dlMsgInfo->pucchTpc = 0;
+ dlMsgInfo->pucchResInd = 0;
+ dlMsgInfo->harqFeedbackInd = 0;
+ dlMsgInfo->dciFormatId = 1;
+}
+
/*******************************************************************
*
* @brief sch Process pending Msg4 Req
bool schProcessMsg4Req(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId)
{
- bool k1Found = FALSE;
- uint16_t pdcchSlot = 0, pdschSlot = 0;
- uint8_t numK0 = 0, k0TblIdx = 0, k0Index = 0, k0Val = 0;
- uint8_t k1TblIdx = 0, k1Index = 0, k1Val = 0, numK1 = 0;
- SchK0K1TimingInfoTbl *k0K1InfoTbl;
+ uint8_t pdschStartSymbol = 0, pdschNumSymbols = 0;
SlotTimingInfo pdcchTime, pdschTime, pucchTime;
DlMsgAlloc *dciSlotAlloc = NULLP; /* Stores info for transmission of PDCCH for Msg4 */
DlMsgAlloc *msg4SlotAlloc = NULLP; /* Stores info for transmission of PDSCH for Msg4 */
DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : Cell is NULL");
return false;
}
-
- ADD_DELTA_TO_TIME(currTime, pdcchTime, PHY_DELTA_DL + SCHED_DELTA);
- pdcchSlot = pdcchTime.slot;
-#ifdef NR_TDD
- if(schGetSlotSymbFrmt(pdcchSlot, cell->slotFrmtBitMap) != DL_SLOT)
+
+ if(findValidK0K1Value(cell, currTime, ueId, false, &pdschStartSymbol, &pdschNumSymbols, &pdcchTime, &pdschTime,\
+ &pucchTime) != true )
{
return false;
}
-#endif
- /* If PDCCH is already scheduled on this slot, cannot schedule PDSCH for
- * another UE here. */
- if(cell->schDlSlotInfo[pdcchSlot]->pdcchUe != 0)
+
+ if(cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1] == NULL)
+ {
+ SCH_ALLOC(dciSlotAlloc, sizeof(DlMsgAlloc));
+ if(dciSlotAlloc == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : Memory Allocation failed for dciSlotAlloc");
+ return false;
+ }
+ cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1] = dciSlotAlloc;
+ memset(dciSlotAlloc, 0, sizeof(DlMsgAlloc));
+ GET_CRNTI(dciSlotAlloc->crnti, ueId);
+ }
+ else
+ dciSlotAlloc = cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1];
+
+ /* Fill PDCCH and PDSCH scheduling information for Msg4 */
+ if((schDlRsrcAllocMsg4(cell, pdschTime, ueId, dciSlotAlloc, pdschStartSymbol, pdschNumSymbols)) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH: Scheduling of Msg4 failed in slot [%d]", pdschTime.slot);
+ if(dciSlotAlloc->numSchedInfo == 0)
+ {
+ SCH_FREE(dciSlotAlloc, sizeof(DlMsgAlloc));
+ cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1] = NULLP;
+ }
+ else
+ memset(&dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo], 0, sizeof(DlMsgSchInfo));
return false;
+ }
- k0K1InfoTbl = &cell->cellCfg.schInitialDlBwp.k0K1InfoTbl;
- numK0 = k0K1InfoTbl->k0k1TimingInfo[pdcchSlot].numK0;
- for(k0TblIdx = 0; k0TblIdx < numK0; k0TblIdx++)
+ /* Check if both DCI and RAR are sent in the same slot.
+ * If not, allocate memory RAR PDSCH slot to store RAR info
+ */
+ if(pdcchTime.slot == pdschTime.slot)
+ {
+ dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo].pduPres = BOTH;
+ dciSlotAlloc->numSchedInfo++;
+ }
+ else
{
- k0Index = k0K1InfoTbl->k0k1TimingInfo[pdcchSlot].k0Indexes[k0TblIdx].k0Index;
- k0Val = cell->cellCfg.schInitialDlBwp.pdschCommon.timeDomRsrcAllocList[k0Index].k0;
+ /* Allocate memory to schedule rarSlot to send RAR, pointer will be checked at schProcessSlotInd() */
+ if(cell->schDlSlotInfo[pdschTime.slot]->dlMsgAlloc[ueId-1] == NULL)
+ {
+ SCH_ALLOC(msg4SlotAlloc, sizeof(DlMsgAlloc));
+ if(msg4SlotAlloc == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : Memory Allocation failed for msg4SlotAlloc");
+ if(dciSlotAlloc->numSchedInfo == 0)
+ {
+ SCH_FREE(dciSlotAlloc, sizeof(DlMsgAlloc));
+ cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1] = NULLP;
+ }
+ else
+ memset(&dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo], 0, sizeof(DlMsgSchInfo));
+ return false;
+ }
+ cell->schDlSlotInfo[pdschTime.slot]->dlMsgAlloc[ueId-1] = msg4SlotAlloc;
+ memset(msg4SlotAlloc, 0, sizeof(DlMsgAlloc));
+ msg4SlotAlloc->crnti = dciSlotAlloc->crnti;
+ }
+ else
+ msg4SlotAlloc = cell->schDlSlotInfo[pdschTime.slot]->dlMsgAlloc[ueId-1];
- ADD_DELTA_TO_TIME(pdcchTime, pdschTime, k0Val);
- pdschSlot = pdschTime.slot;
+ /* Copy all RAR info */
+ memcpy(&msg4SlotAlloc->dlMsgSchedInfo[msg4SlotAlloc->numSchedInfo], \
+ &dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo], sizeof(DlMsgSchInfo));
+ msg4SlotAlloc->dlMsgSchedInfo[msg4SlotAlloc->numSchedInfo].dlMsgPdcchCfg.dci.pdschCfg = \
+ &msg4SlotAlloc->dlMsgSchedInfo[msg4SlotAlloc->numSchedInfo].dlMsgPdschCfg;
-#ifdef NR_TDD
- if(schGetSlotSymbFrmt(pdschSlot, cell->slotFrmtBitMap) != DL_SLOT)
+ /* Assign correct PDU types in corresponding slots */
+ msg4SlotAlloc->dlMsgSchedInfo[msg4SlotAlloc->numSchedInfo].pduPres = PDSCH_PDU;
+ dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo].pduPres = PDCCH_PDU;
+ dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo].pdschSlot = pdschTime.slot;
+
+ dciSlotAlloc->numSchedInfo++;
+ msg4SlotAlloc->numSchedInfo++;
+ }
+
+ /* PUCCH resource */
+ schAllocPucchResource(cell, pucchTime, cell->raCb[ueId-1].tcrnti);
+
+ cell->schDlSlotInfo[pdcchTime.slot]->pdcchUe = ueId;
+ cell->schDlSlotInfo[pdschTime.slot]->pdschUe = 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;
}
-#endif
- /* If PDSCH is already scheduled on this slot, cannot schedule PDSCH for
- * another UE here. */
- if(cell->schDlSlotInfo[pdschSlot]->pdschUe != 0)
- continue;
- numK1 = k0K1InfoTbl->k0k1TimingInfo[pdcchSlot].k0Indexes[k0TblIdx].k1TimingInfo.numK1;
- for(k1TblIdx = 0; k1TblIdx < numK1; k1TblIdx++)
+ /*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)
{
- k1Index = k0K1InfoTbl->k0k1TimingInfo[pdcchSlot].k0Indexes[k0TblIdx].k1TimingInfo.k1Indexes[k1TblIdx];
- k1Val = defaultUlAckTbl[k1Index];
+ DU_LOG("\nERROR --> SCH: LcgId:%d updation failed",lcId);
+ return false;
+ }
+ }
- ADD_DELTA_TO_TIME(pdschTime, pucchTime, k1Val);
-#ifdef NR_TDD
- if(schGetSlotSymbFrmt(pucchTime.slot, cell->slotFrmtBitMap) == DL_SLOT)
- {
- continue;
- }
-#endif
- /* If PUCCH is already scheduled on this slot, another PUCCH
- * pdu cannot be scheduled here */
- if(cell->schUlSlotInfo[pucchTime.slot]->pucchUe != 0)
- continue;
+ 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);
+ }
- k1Found = true;
- break;
+ /*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));
}
- if(k1Found)
- break;
}
+ /*[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);
- /* If K0-K1 combination not found, no scheduling happens */
- if(!k1Found)
- return false;
+ updateGrantSizeForBoRpt(&(ueCb->ulLcPrbEst.defLcList), NULLP, ueCb->bsrInfo, totTBS);
- SCH_ALLOC(dciSlotAlloc, sizeof(DlMsgAlloc));
- if(dciSlotAlloc == NULLP)
+ /*Below case will hit if NO LC(s) are allocated due to resource crunch*/
+ if (*totTBS == 0)
{
- DU_LOG("\nERROR --> SCH : Memory Allocation failed for dciSlotAlloc");
+ 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;
}
- cell->schDlSlotInfo[pdcchSlot]->dlMsgAlloc[ueId-1] = dciSlotAlloc;
- /* Fill PDCCH and PDSCH scheduling information for Msg4 */
- if((schDlRsrcAllocMsg4(cell, pdschTime, ueId, dciSlotAlloc, k0Index)) != ROK)
+ ueCb = &cell->ueCb[ueId-1];
+
+ if(ueCb == NULLP)
{
- DU_LOG("\nERROR --> SCH: Scheduling of Msg4 failed in slot [%d]", pdschSlot);
- SCH_FREE(dciSlotAlloc, sizeof(DlMsgAlloc));
- cell->schDlSlotInfo[pdcchSlot]->dlMsgAlloc[ueId-1] = 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;
- /* Check if both DCI and RAR are sent in the same slot.
- * If not, allocate memory RAR PDSCH slot to store RAR info
- */
- if(pdcchSlot == pdschSlot)
- dciSlotAlloc->pduPres = BOTH;
- else
+ 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)
{
- /* Allocate memory to schedule rarSlot to send RAR, pointer will be checked at schProcessSlotInd() */
- SCH_ALLOC(msg4SlotAlloc, sizeof(DlMsgAlloc));
- if(msg4SlotAlloc == NULLP)
+ ret = schCalculateUlTbs(ueCb, puschTime, symbLen, &startPrb, &totDataReq);
+ if(totDataReq > 0 && ret == TRUE)
{
- DU_LOG("\nERROR --> SCH : Memory Allocation failed for msg4SlotAlloc");
- SCH_FREE(dciSlotAlloc, sizeof(DlMsgAlloc));
- cell->schDlSlotInfo[pdcchSlot]->dlMsgAlloc[ueId-1] = NULLP;
- return false;
+ 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);
}
- cell->schDlSlotInfo[pdschSlot]->dlMsgAlloc[ueId-1] = msg4SlotAlloc;
+ }
+ return (ret);
+}
- /* Copy all RAR info */
- memcpy(msg4SlotAlloc, dciSlotAlloc, sizeof(DlMsgAlloc));
- msg4SlotAlloc->dlMsgPdcchCfg.dci.pdschCfg = &msg4SlotAlloc->dlMsgPdschCfg;
- /* Assign correct PDU types in corresponding slots */
- msg4SlotAlloc->pduPres = PDSCH_PDU;
- dciSlotAlloc->pduPres = PDCCH_PDU;
- dciSlotAlloc->pdschSlot = pdschSlot;
+/*******************************************************************
+ *
+ * @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;
}
- /* PUCCH resource */
- schAllocPucchResource(cell, pucchTime, cell->raCb[ueId-1].tcrnti);
+ if(lcLL->count)
+ {
+ node = lcLL->first;
+ }
+ else
+ {
+ /*lcLL is empty*/
+ return;
+ }
- cell->schDlSlotInfo[pdcchSlot]->pdcchUe = ueId;
- cell->schDlSlotInfo[pdschSlot]->pdschUe = ueId;
- cell->schUlSlotInfo[pucchTime.slot]->puschUe = ueId;
- cell->raCb[ueId-1].msg4recvd = FALSE;
- return true;
-}
+ 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
**********************************************************************/
Code Review / o-du / l2.git / blobdiff