/** @file sch_common.c
@brief This module performs common scheduling
*/
-#include "stdbool.h"
-#include "envopt.h" /* environment options */
-#include "envdep.h" /* environment dependent */
-#include "envind.h" /* environment independent */
-#include "gen.h" /* general layer */
-#include "ssi.h" /* system service interface */
-#include "cm_tkns.h" /* Common Token Defines */
-#include "cm_llist.h" /* Common Link List Defines */
-#include "cm_hash.h" /* Common Hash List Defines */
-#include "cm_mblk.h" /* common memory link list library */
-#include "cm_lte.h" /* Common LTE Defines */
+#include "common_def.h"
#include "tfu.h"
#include "lrg.h"
-#include "gen.x" /* general layer typedefs */
-#include "ssi.x" /* system services typedefs */
-#include "cm5.x" /* system services */
-#include "cm_tkns.x" /* Common Token Definitions */
-#include "cm_llist.x" /* Common Link List Definitions */
-#include "cm_lib.x" /* Common Library Definitions */
-#include "cm_hash.x" /* Common Hash List Definitions */
-#include "cm_mblk.x" /* common memory link list library */
-#include "cm_lte.x" /* Common LTE Defines */
#include "tfu.x"
#include "lrg.x"
#include "du_log.h"
#include "sch.h"
#include "sch_utils.h"
-extern SchCb schCb[SCH_MAX_INST];
-extern uint16_t prachCfgIdxTable[MAX_PRACH_CONFIG_IDX][8];
-extern uint16_t numRbForPrachTable[MAX_RACH_NUM_RB_IDX][5];
-
SchMacUlSchInfoFunc schMacUlSchInfoOpts[] =
{
- packSchMacUlSchInfo,
- MacProcUlSchInfo,
- packSchMacUlSchInfo
+ packSchMacUlSchInfo,
+ MacProcUlSchInfo,
+ packSchMacUlSchInfo
};
/**
- * @brief Time domain allocation for SSB
+ * @brief common resource allocation for SSB
*
* @details
*
- * Function : ssbDlTdAlloc
+ * Function : schBroadcastSsbAlloc
*
- * This function handles common scheduling for DL
+ * This function handles common scheduling for SSB
*
- * @param[in] uint8_t scs, uint8_t *ssbStartSym
+ * @param[in] SchCellCb *cell, cell cb
+ * @param[in] DlBrdcstAlloc *dlBrdcstAlloc, DL brdcst allocation
* @return void
**/
-void ssbDlTdAlloc(uint8_t scs, uint8_t *ssbStartSymb)
+uint8_t schBroadcastSsbAlloc(SchCellCb *cell, SlotTimingInfo slotTime, DlBrdcstAlloc *dlBrdcstAlloc)
{
- uint8_t n;
- /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */
- switch(scs)
- {
- case SCH_SCS_15KHZ:
- {
- uint8_t symbIdx=0;
- n = 2;/* n = 0, 1 for SCS = 15KHz */
- for(uint8_t idx=0; idx<n; idx++)
- {
- /* start symbol determined using {2, 8} + 14n */
- ssbStartSymb[symbIdx++] = 2 + SCH_SYMBOL_PER_SLOT*idx;
- ssbStartSymb[symbIdx++] = 8 + SCH_SYMBOL_PER_SLOT*idx;
- }
- }
- break;
- default:
- DU_LOG("\nSCS %d is currently not supported", scs);
- }
+ /* schedule SSB */
+ uint8_t ssbStartSymb, idx;
+ uint16_t ssbStartPrb;
+ SchDlSlotInfo *schDlSlotInfo;
+ SsbInfo ssbInfo;
+
+ if(cell == NULL)
+ {
+ DU_LOG("\nERROR --> SCH: schBroadcastSsbAlloc() : Cell is NULL");
+ return RFAILED;
+ }
+
+ if(dlBrdcstAlloc == NULL)
+ {
+ DU_LOG("\nERROR --> SCH: schBroadcastSsbAlloc() : dlBrdcstAlloc is NULL");
+ return RFAILED;
+ }
+
+ schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot];
+ ssbStartPrb = cell->cellCfg.ssbSchCfg.ssbOffsetPointA; //+Kssb
+ ssbStartSymb = cell->ssbStartSymbArr[dlBrdcstAlloc->ssbIdxSupported-1]; /*since we are supporting only 1 ssb beam */
+
+ /* Assign interface structure */
+ for(idx=0; idx<dlBrdcstAlloc->ssbIdxSupported; idx++)
+ {
+ ssbInfo.ssbIdx = idx;
+ ssbInfo.fdAlloc.startPrb = ssbStartPrb;
+ ssbInfo.fdAlloc.numPrb = SCH_SSB_NUM_PRB;
+ ssbInfo.tdAlloc.startSymb = ssbStartSymb;
+ ssbInfo.tdAlloc.numSymb = SCH_SSB_NUM_SYMB;
+ dlBrdcstAlloc->ssbInfo[idx] = ssbInfo;
+ schDlSlotInfo->ssbInfo[idx] = ssbInfo;
+ }
+
+ if((allocatePrbDl(cell, slotTime, ssbStartSymb, SCH_SSB_NUM_SYMB, &ssbInfo.fdAlloc.startPrb, ssbInfo.fdAlloc.numPrb)) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH: PRB allocation failed for SSB in SFN:SLOT [%d : %d]", slotTime.sfn, slotTime.slot);
+ return RFAILED;
+ }
+
+
+ schDlSlotInfo->ssbPres = true;
+ schDlSlotInfo->ssbIdxSupported = dlBrdcstAlloc->ssbIdxSupported;
+ return ROK;
}
/**
- * @brief common resource allocation for SSB
+ * @brief common resource allocation for SIB1
*
* @details
*
- * Function : schBroadcastAlloc
+ * Function : schBroadcastSib1Alloc
*
- * This function handles common scheduling for DL
+ * This function handles common scheduling for SIB1
*
* @param[in] SchCellCb *cell, cell cb
* @param[in] DlBrdcstAlloc *dlBrdcstAlloc, DL brdcst allocation
* @return void
**/
-uint8_t schBroadcastAlloc(SchCellCb *cell, DlBrdcstAlloc *dlBrdcstAlloc,
- uint16_t slot)
+uint8_t schBroadcastSib1Alloc(SchCellCb *cell, SlotTimingInfo slotTime, DlBrdcstAlloc *dlBrdcstAlloc)
{
- /* schedule SSB */
- uint8_t scs, ssbStartPrb, ssbStartSymb, idx;
- uint8_t ssbStartSymbArr[SCH_MAX_SSB_BEAM];
- SchDlAlloc *dlAlloc;
- SsbInfo ssbInfo;
-
- dlAlloc = cell->dlAlloc[slot];
- if(dlBrdcstAlloc->ssbTrans)
- {
- scs = cell->cellCfg.ssbSchCfg.scsCommon;
- ssbStartPrb = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
-
- memset(ssbStartSymbArr, 0, SCH_MAX_SSB_BEAM);
- ssbDlTdAlloc(scs, ssbStartSymbArr);
- ssbStartSymb = ssbStartSymbArr[dlBrdcstAlloc->ssbIdxSupported-1]; /*since we are supporting only 1 ssb beam */
- /* Assign interface structure */
- for(idx=0; idx<dlBrdcstAlloc->ssbIdxSupported; idx++)
- {
- ssbInfo.ssbIdx = idx;
- ssbInfo.fdAlloc.startPrb = ssbStartPrb;
- ssbInfo.fdAlloc.numPrb = SCH_SSB_PRB_DURATION;
- ssbInfo.tdAlloc.startSymb = ssbStartSymb;
- ssbInfo.tdAlloc.numSymb = SCH_SSB_SYMB_DURATION;
- dlBrdcstAlloc->ssbInfo[idx] = ssbInfo;
- dlAlloc->ssbInfo[idx] = ssbInfo;
-
- }
-
- dlAlloc->ssbPres = true;
- dlAlloc->ssbIdxSupported = dlBrdcstAlloc->ssbIdxSupported;
- for(idx=ssbStartSymb; idx<ssbStartSymb+SCH_SSB_SYMB_DURATION; idx++)
- {
- dlAlloc->assignedPrb[idx] = ssbStartPrb + SCH_SSB_PRB_DURATION + 1; /* +1 for kSsb */
- }
-
- }
-
- /* SIB1 allocation */
- if(dlBrdcstAlloc->sib1Trans)
- {
- dlAlloc->sib1Pres = true;
- for(idx=0; idx<SCH_SYMBOL_PER_SLOT; idx++)
- {
- dlAlloc->assignedPrb[idx] = ssbStartPrb + SCH_SSB_PRB_DURATION + 1 + 10; /* 10 PRBs for sib1 */
- }
- memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg, &cell->cellCfg.sib1SchCfg.sib1PdcchCfg, sizeof(PdcchCfg));
- memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdschCfg, &cell->cellCfg.sib1SchCfg.sib1PdschCfg, sizeof(PdschCfg));
- }
- return ROK;
+ uint8_t dmrsStartSymbol, startSymbol, numSymbol ;
+ DmrsInfo dmrs;
+ FreqDomainAlloc freqAlloc;
+ TimeDomainAlloc timeAlloc;
+ SchDlSlotInfo *schDlSlotInfo = NULLP;
+
+ if(cell == NULL)
+ {
+ DU_LOG("\nERROR --> SCH: schBroadcastSsbAlloc() : Cell is NULL");
+ return RFAILED;
+ }
+
+ if(dlBrdcstAlloc == NULL)
+ {
+ DU_LOG("\nERROR --> SCH: schBroadcastSsbAlloc() : dlBrdcstAlloc is NULL");
+ return RFAILED;
+ }
+
+ dmrs = cell->cellCfg.sib1SchCfg.sib1PdschCfg.dmrs;
+ freqAlloc = cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc;
+ timeAlloc = cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschTimeAlloc.timeAlloc;
+ schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot];
+
+ /* Find total symbols used including DMRS */
+ /* If there are no DRMS symbols, findDmrsStartSymbol() returns MAX_SYMB_PER_SLOT,
+ * in that case only PDSCH symbols are marked as occupied */
+ dmrsStartSymbol = findDmrsStartSymbol(dmrs.dlDmrsSymbPos);
+ if(dmrsStartSymbol == MAX_SYMB_PER_SLOT)
+ {
+ startSymbol = timeAlloc.startSymb;
+ numSymbol = timeAlloc.numSymb;
+ }
+ /* If DMRS symbol is found, mark DMRS and PDSCH symbols as occupied */
+ else
+ {
+ startSymbol = dmrsStartSymbol;
+ numSymbol = dmrs.nrOfDmrsSymbols + timeAlloc.numSymb;
+ }
+
+ /* Allocate PRB */
+ if((allocatePrbDl(cell, slotTime, startSymbol, numSymbol, &freqAlloc.startPrb, freqAlloc.numPrb)) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH: PRB allocation failed for SIB1 in SFN:Slot [%d : %d]", slotTime.sfn, slotTime.slot);
+ return RFAILED;
+ }
+
+ memcpy(&dlBrdcstAlloc->sib1Alloc.bwp, &cell->cellCfg.sib1SchCfg.bwp, sizeof(BwpCfg));
+ memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg, &cell->cellCfg.sib1SchCfg.sib1PdcchCfg, sizeof(PdcchCfg));
+ memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdschCfg, &cell->cellCfg.sib1SchCfg.sib1PdschCfg, sizeof(PdschCfg));
+ dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg.dci.pdschCfg = &dlBrdcstAlloc->sib1Alloc.sib1PdschCfg;
+ schDlSlotInfo->sib1Pres = true;
+ return ROK;
}
/*******************************************************************
* RFAILED - failure
*
* ****************************************************************/
-int sendUlSchInfoToMac(UlSchInfo *ulSchInfo, Inst inst)
+int sendUlSchInfoToMac(UlSchedInfo *ulSchedInfo, Inst inst)
{
- Pst pst;
+ Pst pst;
memset(&pst, 0, sizeof(Pst));
- SCH_FILL_RSP_PST(pst, inst);
- pst.event = EVENT_UL_SCH_INFO;
+ FILL_PST_SCH_TO_MAC(pst, inst);
+ pst.event = EVENT_UL_SCH_INFO;
+
+ return(*schMacUlSchInfoOpts[pst.selector])(&pst, ulSchedInfo);
+}
- return(*schMacUlSchInfoOpts[pst.selector])(&pst, ulSchInfo);
+/**
+ * @brief Function to fill Pucch Format 0
+ *
+ * @details
+ *
+ * Function : fillPucchFormat0
+ *
+ * Function to fill Pucch format 0
+ *
+ * @param[in] SchPucchInfo pointer, SchPucchResrcInfo pointer
+ * @return void
+ **/
+void fillPucchFormat0(SchPucchInfo *ulSchedPucch, SchPucchResrcInfo *resrcInfo)
+{
+ if(resrcInfo->SchPucchFormat.format0)
+ {
+ ulSchedPucch->fdAlloc.numPrb = PUCCH_NUM_PRB_FORMAT_0_1_4;
+ ulSchedPucch->pucchFormat = PUCCH_FORMAT_0;
+ ulSchedPucch->initialCyclicShift = resrcInfo->SchPucchFormat.format0->initialCyclicShift;
+ ulSchedPucch->tdAlloc.numSymb = resrcInfo->SchPucchFormat.format0->numSymbols;
+ ulSchedPucch->tdAlloc.startSymb = resrcInfo->SchPucchFormat.format0->startSymbolIdx;
+ }
}
+
/**
- * @brief resource allocation for PRACH
+ * @brief Function to fill Pucch Format 1
*
* @details
*
- * Function : schPrachResAlloc
+ * Function : fillPucchFormat1
*
- * This function handles PRACH allocation
+ * Function to fill Pucch format 1
*
- * @param[in] SchCellCb *cell, cell cb
- * @param[in] UlSchInfo *ulSchInfo, UL scheduling info
+ * @param[in] SchPucchInfo pointer, SchPucchResrcInfo pointer
+ * @return void
+ **/
+
+void fillPucchFormat1(SchPucchInfo *ulSchedPucch, SchPucchResrcInfo *resrcInfo)
+{
+ if(resrcInfo->SchPucchFormat.format1)
+ {
+ ulSchedPucch->fdAlloc.numPrb = PUCCH_NUM_PRB_FORMAT_0_1_4;
+ ulSchedPucch->pucchFormat = PUCCH_FORMAT_1;
+ ulSchedPucch->initialCyclicShift = resrcInfo->SchPucchFormat.format1->initialCyclicShift;
+ ulSchedPucch->tdAlloc.numSymb = resrcInfo->SchPucchFormat.format1->numSymbols;
+ ulSchedPucch->tdAlloc.startSymb = resrcInfo->SchPucchFormat.format1->startSymbolIdx;
+ ulSchedPucch->timeDomOCC = resrcInfo->SchPucchFormat.format1->timeDomOCC;
+ }
+}
+
+/**
+ * @brief Function to fill Pucch format for UL Sched Info
+ *
+ * @details
+ *
+ * Function : fillUlSchedPucchFormat
+ *
+ * Function to fill Pucch format for UL Sched Info
+ *
+ * @param[in] pucchFormat , SchPucchInfo pointer,
+ * @param[in] SchPucchFormatCfg pointer, SchPucchResrcInfo pointer
+ * @return void
+ **/
+
+uint8_t fillUlSchedPucchFormat(uint8_t pucchFormat, SchPucchInfo *ulSchedPucch,\
+ SchPucchResrcInfo *resrcInfo, SchPucchFormatCfg *formatCfg)
+{
+ uint8_t ret = ROK;
+
+ switch(pucchFormat)
+ {
+ case PUCCH_FORMAT_0:
+ {
+ if(resrcInfo)
+ fillPucchFormat0(ulSchedPucch, resrcInfo);
+ return ret;
+ }
+ case PUCCH_FORMAT_1:
+ {
+ if(resrcInfo)
+ {
+ fillPucchFormat1(ulSchedPucch, resrcInfo);
+ }
+ if(formatCfg)
+ {
+ memcpy(&ulSchedPucch->cmnFormatCfg, formatCfg, sizeof(SchPucchFormatCfg));
+ }
+ return ret;
+ }/* To Add support for more Pucch Format */
+
+ default:
+ DU_LOG("\nERROR --> SCH : Invalid PUCCH format[%d] in fillUlSchedPucchFormatCfg()", pucchFormat);
+ ret = RFAILED;
+ return ret;
+ }
+ return ret;
+}
+
+/**
+ * @brief Function to fill Pucch Dedicated Cfg for UL Sched Info
+ *
+ * @details
+ *
+ * Function : fillUlSchedPucchDedicatedCfg
+ *
+ * Function to fill Pucch Dedicated Cfg for UL Sched Info
+ *
+ * @param[in] pucchFormat to be filled
+ * @param[in] SchPucchFormatCfg pointer, SchPucchCfg pointer
* @return void
**/
-int schPrachResAlloc(SchCellCb *cell, UlSchInfo *ulSchInfo)
+
+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)
+ {
+ //Assuming one entry in the list
+ for(resrcSetIdx = 0; resrcSetIdx < pucchDedCfg->resrcSet->resrcSetToAddModListCount; resrcSetIdx++)
+ {
+ for(resrcIdx = 0; resrcIdx < pucchDedCfg->resrc->resrcToAddModListCount; resrcIdx++)
+ {
+ if(pucchDedCfg->resrcSet->resrcSetToAddModList[resrcSetIdx].resrcList[resrcSetIdx] ==\
+ 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;
+
+ 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));
+ ret = fillUlSchedPucchFormat(ulSchedPucch->pucchFormat, ulSchedPucch, NULLP, pucchDedCfg->format1);
+ if(ret == RFAILED)
+ return ret;
+ }
+
+ if(!isAllocated)
+ {
+ return RFAILED;
+ }
+
+ /* setting SR and UCI flag */
+ if(pucchDedCfg->schedReq)
+ {
+ for(schedReqIdx = 0; schedReqIdx < pucchDedCfg->schedReq->schedAddModListCount; schedReqIdx++)
+ {
+ srPeriodicity = pucchDedCfg->schedReq->schedAddModList[schedReqIdx].periodicity;
+ srOffset = pucchDedCfg->schedReq->schedAddModList[schedReqIdx].offset;
+ break;
+ }
+ if(((numSlots * slotInfo->sfn + slotInfo->slot - srOffset) % srPeriodicity) == 0)
+ {
+ ulSchedPucch->srFlag = true;
+ ulSchedPucch->uciFlag = true;
+ }
+ }
+ return ret;
+}
+
+/**
+ * @brief Function to fill Pucch Resource Info
+ *
+ * @details
+ *
+ * Function : fillPucchResourceInfo
+ *
+ * Function to fill Pucch Resource Info
+ *
+ * @param[in] SchPucchInfo *schPucchInfo, Inst inst
+ * @return ROK/RFAILED
+ **/
+
+uint16_t fillPucchResourceInfo(SchPucchInfo *schPucchInfo, Inst inst, SlotTimingInfo slotInfo)
{
- uint8_t numPrachRb = 0;
- uint8_t numRa = 0;
- uint8_t freqStart = 0;
- uint16_t sfn = 0;
- uint16_t slot = 0;
- uint8_t prachCfgIdx = 0;
- uint8_t prachFormat = 0;
- uint8_t x = 0;
- uint8_t y = 0;
- uint16_t prachSubframe = 0;
- uint8_t prachStartSymbol = 0;
- uint8_t prachOcas = 0;
- uint8_t dataType = 0;
- uint8_t idx = 0;
- SchUlAlloc *ulAlloc = NULLP;
-
- sfn = cell->slotInfo.sfn;
- slot = cell->slotInfo.slot;
- ulAlloc = cell->ulAlloc[cell->slotInfo.slot];
- prachCfgIdx = cell->cellCfg.schRachCfg.prachCfgIdx;
-
- /* derive the prachCfgIdx table paramters */
- x = prachCfgIdxTable[prachCfgIdx][1];
- y = prachCfgIdxTable[prachCfgIdx][2];
- prachSubframe = prachCfgIdxTable[prachCfgIdx][3];
-
- if((sfn%x) != y)
- {
- /* prach occasion does not lie in this SFN */
- DU_LOG("\nPRACH ocassion doesn't lie in this SFN");
- return RFAILED;
- }
- /* check for subFrame number */
- if ((1 << slot) & prachSubframe)
- {
- /* prach ocassion present in this subframe */
-
- prachFormat = prachCfgIdxTable[prachCfgIdx][0];
- prachStartSymbol = prachCfgIdxTable[prachCfgIdx][4];
- prachOcas = prachCfgIdxTable[prachCfgIdx][6];
-
- /* freq domain resource determination for RACH*/
- freqStart = cell->cellCfg.schRachCfg.msg1FreqStart;
- /* numRa determined as 𝑛 belonging {0,1,.., M − 1},
- * where M is given by msg1Fdm */
- numRa = (cell->cellCfg.schRachCfg.msg1Fdm - 1);
- for(idx=0; idx<MAX_RACH_NUM_RB_IDX; idx++)
- {
- if(numRbForPrachTable[idx][0] == cell->cellCfg.schRachCfg.rootSeqIdx)
- break;
- }
- numPrachRb = numRbForPrachTable[idx][3];
- dataType |= SCH_DATATYPE_PRACH;
- /* Considering first slot in the frame for PRACH */
- idx = 0;
- ulAlloc->assignedPrb[idx] = freqStart+numPrachRb;
- }
-
- /* Fill UL SCH Info */
- ulSchInfo->cellId = cell->cellId;
- ulSchInfo->slotIndInfo.sfn = sfn;
- ulSchInfo->slotIndInfo.slot = slot;
- ulSchInfo->dataType = dataType;
- /* prach info */
- ulSchInfo->prachSchInfo.numPrachOcas = prachOcas;
- ulSchInfo->prachSchInfo.prachFormat = prachFormat;
- ulSchInfo->prachSchInfo.numRa = numRa;
- ulSchInfo->prachSchInfo.prachStartSymb = prachStartSymbol;
-
- return ROK;
+ 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_ID(schPucchInfo->rnti, ueId);
+ ueIdx = ueId -1;
+ if(cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfgPres)
+ {
+ /* fill pucch dedicated cfg */
+ ret = fillUlSchedPucchDedicatedCfg(cell,\
+ &cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfg, &slotInfo, schPucchInfo);
+ if(ret == RFAILED)
+ {
+ memset(schPucchInfo, 0, sizeof(SchPucchInfo));
+ DU_LOG("\nERROR --> SCH : Filling PUCCH dedicated cfg failed at fillPucchResourceInfo()");
+ return ret;
+ }
+ }
+ else
+ {
+ /* fill pucch common cfg */
+ /* derive pucchResourceSet from schCellCfg */
+ pucchCfg = &cell->cellCfg.schInitialUlBwp.pucchCommon;
+ pucchIdx = pucchCfg->pucchResourceCommon;
+ ulBwp = &cell->cellCfg.schInitialUlBwp.bwp;
+ 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;
+ schPucchInfo->numHarqBits = 1; /* 1 bit for HARQ */
+
+ return ROK;
}
/**
uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst)
{
int ret = ROK;
- UlSchInfo ulSchInfo;
- SchUlAlloc *ulAlloc;
+ UlSchedInfo ulSchedInfo;
+ SchUlSlotInfo *schUlSlotInfo = NULLP;
+ SlotTimingInfo ulTimingInfo;
+ memset(&ulSchedInfo, 0, sizeof(UlSchedInfo));
+
+ /* add PHY delta */
+ ADD_DELTA_TO_TIME(cell->slotInfo,ulTimingInfo,PHY_DELTA_UL+SCHED_DELTA);
+
+ ulSchedInfo.cellId = cell->cellId;
+ ulSchedInfo.slotIndInfo.cellId = ulSchedInfo.cellId;
+ ulSchedInfo.slotIndInfo.sfn = ulTimingInfo.sfn;
+ ulSchedInfo.slotIndInfo.slot = ulTimingInfo.slot;
/* Schedule resources for PRACH */
- schPrachResAlloc(cell, &ulSchInfo);
-
- ulAlloc = cell->ulAlloc[cell->slotInfo.slot];
-
- if(ulAlloc->schPuschInfo)
- {
- ulSchInfo.dataType |= SCH_DATATYPE_PUSCH;
- memcpy(&ulSchInfo.schPuschInfo, ulAlloc->schPuschInfo,
- sizeof(SchPuschInfo));
- SCH_FREE(ulAlloc->schPuschInfo, sizeof(SchPuschInfo));
- }
-
- //send msg to MAC
- ret = sendUlSchInfoToMac(&ulSchInfo, schInst);
+ if(cell->firstSib1Transmitted)
+ schPrachResAlloc(cell, &ulSchedInfo, ulTimingInfo);
+
+ schUlSlotInfo = cell->schUlSlotInfo[ulTimingInfo.slot];
+ if(schUlSlotInfo->schPuschInfo)
+ {
+ ulSchedInfo.crnti = schUlSlotInfo->schPuschInfo->crnti;
+ ulSchedInfo.dataType |= SCH_DATATYPE_PUSCH;
+ memcpy(&ulSchedInfo.schPuschInfo, schUlSlotInfo->schPuschInfo,
+ sizeof(SchPuschInfo));
+ SCH_FREE(schUlSlotInfo->schPuschInfo, sizeof(SchPuschInfo));
+ schUlSlotInfo->schPuschInfo = NULL;
+ }
+
+ if(schUlSlotInfo->pucchPres)
+ {
+ 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));
+ }
+
+ //send msg to MAC
+ ret = sendUlSchInfoToMac(&ulSchedInfo, schInst);
if(ret != ROK)
{
- DU_LOG("\nSending UL Sch info from SCH to MAC failed");
+ DU_LOG("\nERROR --> SCH : Sending UL Sch info from SCH to MAC failed");
}
-
- return ret;
+
+ schInitUlSlot(schUlSlotInfo);
+ return ret;
}
/*******************************************************************
* RFAILED - failure
*
* ****************************************************************/
-uint8_t schDlRsrcAllocMsg4(Msg4Alloc *msg4Alloc, SchCellCb *cell, uint16_t slot)
+uint8_t schDlRsrcAllocMsg4(SchCellCb *cell, SlotTimingInfo msg4Time, uint8_t ueId, DlMsgAlloc *dlMsgAlloc,\
+uint8_t pdschStartSymbol, uint8_t pdschNumSymbols)
{
uint8_t coreset0Idx = 0;
- uint8_t numRbs = 0;
uint8_t firstSymbol = 0;
uint8_t numSymbols = 0;
- uint8_t offset = 0;
- uint8_t offsetPointA;
- uint8_t FreqDomainResource[6] = {0};
- SchBwpDlCfg *initialBwp;
+ uint8_t mcs = DEFAULT_MCS; /* MCS fixed to 4 */
+ uint8_t dmrsStartSymbol = 0, startSymbol = 0, numSymbol = 0;
+ uint16_t tbSize = 0;
+ uint16_t numRbs;
+ SchBwpDlCfg *initialBwp = NULLP;
+ PdcchCfg *pdcch = NULLP;
+ PdschCfg *pdsch = NULLP;
+ BwpCfg *bwp = NULLP;
+ DlMsgSchInfo *msg4Alloc = NULLP;
- PdcchCfg *pdcch = &msg4Alloc->msg4PdcchCfg;
- PdschCfg *pdsch = &msg4Alloc->msg4PdschCfg;
+ if(cell == NULL)
+ {
+ DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : Cell is NULL");
+ return RFAILED;
+ }
+
+ if(dlMsgAlloc == NULL)
+ {
+ DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : dlMsgAlloc is NULL");
+ return RFAILED;
+ }
+ msg4Alloc = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo];
initialBwp = &cell->cellCfg.schInitialDlBwp;
- offsetPointA = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
- coreset0Idx = initialBwp->pdcchCommon.raSearchSpace.coresetId;
+ pdcch = &msg4Alloc->dlMsgPdcchCfg;
+ pdsch = &msg4Alloc->dlMsgPdschCfg;
+ bwp = &msg4Alloc->bwp;
+ coreset0Idx = initialBwp->pdcchCommon.commonSearchSpace.coresetId;
+
+ 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];
- offset = coresetIdxTable[coreset0Idx][3];
+ numRbs = coresetIdxTable[coreset0Idx][1];
+ numSymbols = coresetIdxTable[coreset0Idx][2];
/* calculate time domain parameters */
uint16_t mask = 0x2000;
- for(firstSymbol=0; firstSymbol<14;firstSymbol++)
+ for(firstSymbol=0; firstSymbol<MAX_SYMB_PER_SLOT; firstSymbol++)
{
- if(initialBwp->pdcchCommon.raSearchSpace.monitoringSymbol & mask)
- break;
+ if(initialBwp->pdcchCommon.commonSearchSpace.monitoringSymbol & mask)
+ break;
else
- mask = mask>>1;
+ mask = mask>>1;
}
- /* calculate the PRBs */
- calculatePRB( ((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource);
+ /* fill BWP */
+ bwp->freqAlloc.numPrb = initialBwp->bwp.freqAlloc.numPrb;
+ bwp->freqAlloc.startPrb = initialBwp->bwp.freqAlloc.startPrb;
+ bwp->subcarrierSpacing = initialBwp->bwp.scs;
+ bwp->cyclicPrefix = initialBwp->bwp.cyclicPrefix;
/* fill the PDCCH PDU */
- pdcch->pdcchBwpCfg.BWPSize = initialBwp->bwp.numPrb;
- pdcch->pdcchBwpCfg.BWPStart = initialBwp->bwp.firstPrb;
- pdcch->pdcchBwpCfg.subcarrierSpacing = initialBwp->bwp.scs;
- pdcch->pdcchBwpCfg.cyclicPrefix = initialBwp->bwp.cyclicPrefix;
- pdcch->coreset0Cfg.startSymbolIndex = firstSymbol;
- pdcch->coreset0Cfg.durationSymbols = numSymbols;
- memcpy(pdcch->coreset0Cfg.freqDomainResource,FreqDomainResource,6);
- pdcch->coreset0Cfg.cceRegMappingType = 1; /* coreset0 is always interleaved */
- pdcch->coreset0Cfg.regBundleSize = 6; /* spec-38.211 sec 7.3.2.2 */
- pdcch->coreset0Cfg.interleaverSize = 2; /* spec-38.211 sec 7.3.2.2 */
- pdcch->coreset0Cfg.coreSetType = 0;
- pdcch->coreset0Cfg.coreSet0Size = numRbs;
- pdcch->coreset0Cfg.shiftIndex = cell->cellCfg.phyCellId;
- pdcch->coreset0Cfg.precoderGranularity = 0; /* sameAsRegBundle */
+ pdcch->coresetCfg.startSymbolIndex = firstSymbol;
+ pdcch->coresetCfg.durationSymbols = numSymbols;
+ memcpy(pdcch->coresetCfg.freqDomainResource, \
+ cell->cellCfg.schInitialDlBwp.pdcchCommon.commonSearchSpace.freqDomainRsrc, FREQ_DOM_RSRC_SIZE);
+
+ pdcch->coresetCfg.cceRegMappingType = 1; /* coreset0 is always interleaved */
+ pdcch->coresetCfg.regBundleSize = 6; /* spec-38.211 sec 7.3.2.2 */
+ pdcch->coresetCfg.interleaverSize = 2; /* spec-38.211 sec 7.3.2.2 */
+ pdcch->coresetCfg.coreSetType = 0;
+ pdcch->coresetCfg.coreSetSize = numRbs;
+ pdcch->coresetCfg.shiftIndex = cell->cellCfg.phyCellId;
+ pdcch->coresetCfg.precoderGranularity = 0; /* sameAsRegBundle */
pdcch->numDlDci = 1;
- pdcch->dci.rnti = cell->dlAlloc[slot]->msg4Info->crnti;
+ pdcch->dci.rnti = cell->raCb[ueId-1].tcrnti;
pdcch->dci.scramblingId = cell->cellCfg.phyCellId;
pdcch->dci.scramblingRnti = 0;
pdcch->dci.cceIndex = 4; /* considering SIB1 is sent at cce 0-1-2-3 */
pdcch->dci.beamPdcchInfo.prg[0].beamIdx[0] = 0;
pdcch->dci.txPdcchPower.powerValue = 0;
pdcch->dci.txPdcchPower.powerControlOffsetSS = 0;
+ pdcch->dci.pdschCfg = pdsch;
/* fill the PDSCH PDU */
uint8_t cwCount = 0;
pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */
- pdsch->rnti = cell->dlAlloc[slot]->msg4Info->crnti;
+ pdsch->rnti = cell->raCb[ueId-1].tcrnti;
pdsch->pduIndex = 0;
- pdsch->pdschBwpCfg.BWPSize = initialBwp->bwp.numPrb;
- pdsch->pdschBwpCfg.BWPStart = initialBwp->bwp.firstPrb;
pdsch->numCodewords = 1;
for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
{
pdsch->codeword[cwCount].targetCodeRate = 308;
pdsch->codeword[cwCount].qamModOrder = 2;
- pdsch->codeword[cwCount].mcsIndex = 4; /* mcs configured to 4 */
+ pdsch->codeword[cwCount].mcsIndex = mcs; /* mcs configured to 4 */
pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */
pdsch->codeword[cwCount].rvIndex = 0;
- /* 38.214: Table 5.1.3.2-1, divided by 8 to get the value in bytes */
- /* TODO : Calculate tbSize based of DL CCCH msg size */
- pdsch->codeword[cwCount].tbSize = 2664/8;
+ tbSize = schCalcTbSize(msg4Alloc->dlMsgInfo.dlMsgPduLen + TX_PAYLOAD_HDR_LEN); /* MSG4 size + FAPI header size*/
+ pdsch->codeword[cwCount].tbSize = tbSize;
}
pdsch->dataScramblingId = cell->cellCfg.phyCellId;
pdsch->numLayers = 1;
pdsch->transmissionScheme = 0;
pdsch->refPoint = 0;
- pdsch->dmrs.dlDmrsSymbPos = 2;
+ pdsch->dmrs.dlDmrsSymbPos = 4; /* Bitmap value 00000000000100 i.e. using 3rd symbol for PDSCH DMRS */
pdsch->dmrs.dmrsConfigType = 0; /* type-1 */
pdsch->dmrs.dlDmrsScramblingId = cell->cellCfg.phyCellId;
pdsch->dmrs.scid = 0;
pdsch->dmrs.numDmrsCdmGrpsNoData = 1;
pdsch->dmrs.dmrsPorts = 0;
- pdsch->freqAlloc.resourceAlloc = 1; /* RAT type-1 RIV format */
- /* the RB numbering starts from coreset0, and PDSCH is always above SSB */
- pdsch->freqAlloc.rbStart = offset + SCH_SSB_PRB_DURATION;
- /* formula used for calculation of rbSize, 38.213 section 5.1.3.2 *
- * Ninfo = S . Nre . R . Qm . v *
- * Nre' = Nsc . NsymPdsch - NdmrsSymb - Noh *
- * Nre = min(156,Nre') . nPrb */
- /* TODO : Calculate rbSize based on tbSize calculated */
- pdsch->freqAlloc.rbSize = 34;
- pdsch->freqAlloc.vrbPrbMapping = 0; /* non-interleaved */
- pdsch->timeAlloc.startSymbolIndex = 2; /* spec-38.214, Table 5.1.2.1-1 */
- pdsch->timeAlloc.numSymbols = 12;
+ pdsch->dmrs.mappingType = DMRS_MAP_TYPE_A; /* Setting to Type-A */
+ pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
+ pdsch->dmrs.dmrsAddPos = DMRS_ADDITIONAL_POS;
+
+ 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, pdschNumSymbols);
+ pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */
+
+ /* Find total symbols occupied including DMRS */
+ dmrsStartSymbol = findDmrsStartSymbol(pdsch->dmrs.dlDmrsSymbPos);
+ /* If there are no DRMS symbols, findDmrsStartSymbol() returns MAX_SYMB_PER_SLOT,
+ * in that case only PDSCH symbols are marked as occupied */
+ if(dmrsStartSymbol == MAX_SYMB_PER_SLOT)
+ {
+ startSymbol = pdsch->pdschTimeAlloc.timeAlloc.startSymb;
+ numSymbol = pdsch->pdschTimeAlloc.timeAlloc.numSymb;
+ }
+ /* If DMRS symbol is found, mark DMRS and PDSCH symbols as occupied */
+ else
+ {
+ startSymbol = dmrsStartSymbol;
+ numSymbol = pdsch->dmrs.nrOfDmrsSymbols + pdsch->pdschTimeAlloc.timeAlloc.numSymb;
+ }
+
+ /* Allocate the number of PRBs required for RAR PDSCH */
+ if((allocatePrbDl(cell, msg4Time, startSymbol, numSymbol,\
+ &pdsch->pdschFreqAlloc.freqAlloc.startPrb, pdsch->pdschFreqAlloc.freqAlloc.numPrb)) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : Resource allocation failed for MSG4");
+ return RFAILED;
+ }
+
pdsch->beamPdschInfo.numPrgs = 1;
pdsch->beamPdschInfo.prgSize = 1;
pdsch->beamPdschInfo.digBfInterfaces = 0;
pdsch->beamPdschInfo.prg[0].beamIdx[0] = 0;
pdsch->txPdschPower.powerControlOffset = 0;
pdsch->txPdschPower.powerControlOffsetSS = 0;
+
+ msg4Alloc->dlMsgInfo.isMsg4Pdu = true;
+ return ROK;
+}
+/*******************************************************************
+ *
+ * @brief Scheduling for Pucch Resource
+ *
+ * @details
+ *
+ * Function : schAllocPucchResource
+ *
+ * Functionality:
+ * Scheduling for Pucch Resource
+ *
+ * @params[in] SchCellCb *cell, SlotTimingInfo pucchTime, crnti
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ *******************************************************************/
+
+uint16_t schAllocPucchResource(SchCellCb *cell, SlotTimingInfo pucchTime, uint16_t crnti)
+{
+ uint16_t pucchSlot = 0;
+ SchUlSlotInfo *schUlSlotInfo = NULLP;
+
+ pucchSlot = pucchTime.slot;
+ schUlSlotInfo = cell->schUlSlotInfo[pucchSlot];
+ memset(&schUlSlotInfo->schPucchInfo, 0, sizeof(SchPucchInfo));
+
+ schUlSlotInfo->pucchPres = true;
+ schUlSlotInfo->schPucchInfo.rnti = crnti;
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Fills pdcch and pdsch info for dedicated DL msg
+ *
+ * @details
+ *
+ * Function : schDlRsrcAllocDlMsg
+ *
+ * Functionality:
+ * Fills pdcch and pdsch info for dl msg
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+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 ueId=0;
+ PdcchCfg *pdcch = NULLP;
+ PdschCfg *pdsch = NULLP;
+ BwpCfg *bwp = NULLP;
+ SchUeCb ueCb;
+ SchControlRsrcSet coreset1;
+ SchPdschConfig pdschCfg;
+ uint8_t dmrsStartSymbol, startSymbol, numSymbol;
+
+ pdcch = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].dlMsgPdcchCfg;
+ pdsch = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].dlMsgPdschCfg;
+ bwp = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].bwp;
+
+ 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;
+
+ /* fill BWP */
+ bwp->freqAlloc.numPrb = MAX_NUM_RB;
+ bwp->freqAlloc.startPrb = 0;
+ bwp->subcarrierSpacing = cell->cellCfg.sib1SchCfg.bwp.subcarrierSpacing;
+ bwp->cyclicPrefix = cell->cellCfg.sib1SchCfg.bwp.cyclicPrefix;
+
+ /* fill the PDCCH PDU */
+ //Considering coreset1 also starts from same symbol as coreset0
+ pdcch->coresetCfg.startSymbolIndex = coresetIdxTable[0][3];
+ pdcch->coresetCfg.durationSymbols = coreset1.duration;
+ memcpy(pdcch->coresetCfg.freqDomainResource, coreset1.freqDomainRsrc, FREQ_DOM_RSRC_SIZE);
+ pdcch->coresetCfg.cceRegMappingType = coreset1.cceRegMappingType; /* non-interleaved */
+ pdcch->coresetCfg.regBundleSize = 6; /* must be 6 for non-interleaved */
+ pdcch->coresetCfg.interleaverSize = 0; /* NA for non-interleaved */
+ pdcch->coresetCfg.coreSetType = 1; /* non PBCH coreset */
+ //Considering number of RBs in coreset1 is same as coreset0
+ pdcch->coresetCfg.coreSetSize = coresetIdxTable[0][1];
+ pdcch->coresetCfg.shiftIndex = cell->cellCfg.phyCellId;
+ pdcch->coresetCfg.precoderGranularity = coreset1.precoderGranularity;
+ pdcch->numDlDci = 1;
+ pdcch->dci.rnti = ueCb.crnti;
+ pdcch->dci.scramblingId = cell->cellCfg.phyCellId;
+ pdcch->dci.scramblingRnti = 0;
+ pdcch->dci.cceIndex = 0; /* 0-3 for UL and 4-7 for DL */
+ pdcch->dci.aggregLevel = 4;
+ pdcch->dci.beamPdcchInfo.numPrgs = 1;
+ pdcch->dci.beamPdcchInfo.prgSize = 1;
+ pdcch->dci.beamPdcchInfo.digBfInterfaces = 0;
+ pdcch->dci.beamPdcchInfo.prg[0].pmIdx = 0;
+ pdcch->dci.beamPdcchInfo.prg[0].beamIdx[0] = 0;
+ pdcch->dci.txPdcchPower.powerValue = 0;
+ pdcch->dci.txPdcchPower.powerControlOffsetSS = 0;
+
+ /* fill the PDSCH PDU */
+ uint8_t cwCount = 0;
+ pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */
+ pdsch->rnti = ueCb.crnti;
+ pdsch->pduIndex = 0;
+ pdsch->numCodewords = 1;
+ for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
+ {
+ pdsch->codeword[cwCount].targetCodeRate = 308;
+ pdsch->codeword[cwCount].qamModOrder = ueCb.ueCfg.dlModInfo.modOrder;
+ pdsch->codeword[cwCount].mcsIndex = ueCb.ueCfg.dlModInfo.mcsIndex;
+ pdsch->codeword[cwCount].mcsTable = ueCb.ueCfg.dlModInfo.mcsTable;
+ pdsch->codeword[cwCount].rvIndex = 0;
+
+ tbSize +=TX_PAYLOAD_HDR_LEN;
+ pdsch->codeword[cwCount].tbSize = tbSize;
+ }
+ pdsch->dataScramblingId = cell->cellCfg.phyCellId;
+ pdsch->numLayers = 1;
+ pdsch->transmissionScheme = 0;
+ pdsch->refPoint = 0;
+ pdsch->dmrs.dlDmrsSymbPos = 4; /* Bitmap value 00000000000100 i.e. using 3rd symbol for PDSCH DMRS */
+ pdsch->dmrs.dmrsConfigType = 0; /* type-1 */
+ pdsch->dmrs.dlDmrsScramblingId = cell->cellCfg.phyCellId;
+ pdsch->dmrs.scid = 0;
+ pdsch->dmrs.numDmrsCdmGrpsNoData = 1;
+ pdsch->dmrs.dmrsPorts = 0;
+ pdsch->dmrs.mappingType = DMRS_MAP_TYPE_A; /* Setting to Type-A */
+ pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
+ pdsch->dmrs.dmrsAddPos = pdschCfg.dmrsDlCfgForPdschMapTypeA.addPos;
+
+ 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, pdschNumSymbols);
+
+ /* Find total symbols occupied including DMRS */
+ dmrsStartSymbol = findDmrsStartSymbol(pdsch->dmrs.dlDmrsSymbPos);
+ /* If there are no DRMS symbols, findDmrsStartSymbol() returns MAX_SYMB_PER_SLOT,
+ * in that case only PDSCH symbols are marked as occupied */
+ if(dmrsStartSymbol == MAX_SYMB_PER_SLOT)
+ {
+ startSymbol = pdsch->pdschTimeAlloc.timeAlloc.startSymb;
+ numSymbol = pdsch->pdschTimeAlloc.timeAlloc.numSymb;
+ }
+ /* If DMRS symbol is found, mark DMRS and PDSCH symbols as occupied */
+ else
+ {
+ startSymbol = dmrsStartSymbol;
+ numSymbol = pdsch->dmrs.nrOfDmrsSymbols + pdsch->pdschTimeAlloc.timeAlloc.numSymb;
+ }
+
+ /* Allocate the number of PRBs required for DL PDSCH */
+ if((allocatePrbDl(cell, slotTime, startSymbol, numSymbol,\
+ &pdsch->pdschFreqAlloc.freqAlloc.startPrb, pdsch->pdschFreqAlloc.freqAlloc.numPrb)) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : allocatePrbDl() failed for DL MSG");
+ return RFAILED;
+ }
+
+ pdsch->beamPdschInfo.numPrgs = 1;
+ pdsch->beamPdschInfo.prgSize = 1;
+ pdsch->beamPdschInfo.digBfInterfaces = 0;
+ pdsch->beamPdschInfo.prg[0].pmIdx = 0;
+ pdsch->beamPdschInfo.prg[0].beamIdx[0] = 0;
+ pdsch->txPdschPower.powerControlOffset = 0;
+ pdsch->txPdschPower.powerControlOffsetSS = 0;
+
pdcch->dci.pdschCfg = pdsch;
return ROK;
}
+/*******************************************************************
+ *
+ * @brief Fills k0 and k1 information table for FDD
+ *
+ * @details
+ *
+ * Function : BuildK0K1TableForFdd
+ *
+ * Functionality:
+ * Fills k0 and k1 information table for FDD
+ *
+ * @params[in] SchCellCb *cell,SchK0K1TimingInfoTbl *k0K1InfoTbl,bool
+ * pdschCfgCmnPres,uint8_t numTimeDomAlloc, SchPdschCfgCmnTimeDomRsrcAlloc
+ * cmnTimeDomRsrcAllocList[], SchPdschTimeDomRsrcAlloc
+ * dedTimeDomRsrcAllocList[], uint8_t ulAckListCount, uint8_t *UlAckTbl
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void BuildK0K1TableForFdd(SchCellCb *cell, SchK0K1TimingInfoTbl *k0K1InfoTbl, bool pdschCfgCmnPres,SchPdschCfgCmn pdschCmnCfg,\
+SchPdschConfig pdschDedCfg, uint8_t ulAckListCount, uint8_t *UlAckTbl)
+{
+
+ uint8_t k1TmpVal =0, cfgIdx=0;
+ uint8_t slotIdx=0, k0Index=0, k1Index=0, numK0=0, numK1=0, numTimeDomAlloc=0;
+
+ /* TODO Commented these below lines for resolving warnings. Presently these variable are not
+ * required but this will require for harq processing */
+ // uint8_t k0TmpVal = 0;
+ // SchPdschCfgCmnTimeDomRsrcAlloc cmnTimeDomRsrcAllocList[MAX_NUM_DL_ALLOC];
+ // SchPdschTimeDomRsrcAlloc dedTimeDomRsrcAllocList[MAX_NUM_DL_ALLOC];
+
+ /* Initialization the structure and storing the total slot values. */
+ memset(k0K1InfoTbl, 0, sizeof(SchK0K1TimingInfoTbl));
+ k0K1InfoTbl->tblSize = cell->numSlots;
+
+ /* Storing time domain resource allocation list based on common or dedicated configuration. */
+ if(pdschCfgCmnPres == true)
+ {
+ numTimeDomAlloc = pdschCmnCfg.numTimeDomAlloc;
+ for(cfgIdx = 0; cfgIdx<numTimeDomAlloc; cfgIdx++)
+ {
+ /*TODO uncomment this line during harq processing */
+ //cmnTimeDomRsrcAllocList[cfgIdx] = pdschCmnCfg.timeDomRsrcAllocList[cfgIdx];
+ }
+ }
+ else
+ {
+ numTimeDomAlloc = pdschDedCfg.numTimeDomRsrcAlloc;
+ for(cfgIdx = 0; cfgIdx<numTimeDomAlloc; cfgIdx++)
+ {
+ /*TODO uncomment this line during harq processing */
+ //dedTimeDomRsrcAllocList[cfgIdx] = pdschDedCfg.timeDomRsrcAllociList[cfgIdx];
+ }
+ }
+
+ /* Checking all the slots for K0 and K1 values. */
+ for(slotIdx = 0; slotIdx < cell->numSlots; slotIdx++)
+ {
+ numK0 = 0;
+ /* Storing the values of k0 based on time domain resource
+ * allocation list. If the value is unavailable then fill default values,
+ * As per 38.331 PDSCH-TimeDomainResourceAllocation field descriptions. */
+ for(k0Index = 0; ((k0Index < numTimeDomAlloc) && (k0Index < MAX_NUM_K0_IDX)); k0Index++)
+ {
+ /* TODO These if 0 we will remove during harq processing */
+#if 0
+ if(pdschCfgCmnPres == true)
+ {
+ k0TmpVal = cmnTimeDomRsrcAllocList[k0Index].k0;
+ }
+ else
+ {
+ if(dedTimeDomRsrcAllocList[k0Index].k0 != NULLP)
+ {
+ k0TmpVal = *(dedTimeDomRsrcAllocList[k0Index].k0);
+ }
+ else
+ {
+ k0TmpVal = DEFAULT_K0_VALUE;
+ }
+ }
+#endif
+ /* Checking all the Ul Alloc values. If value is less than MIN_NUM_K1_IDX
+ * then skip else continue storing the values. */
+ numK1 = 0;
+ for(k1Index = 0; k1Index < ulAckListCount; k1Index++)
+ {
+ k1TmpVal = UlAckTbl[k1Index];
+ if(k1TmpVal <= MIN_NUM_K1_IDX)
+ {
+ continue;
+ }
+
+ k0K1InfoTbl->k0k1TimingInfo[slotIdx].k0Indexes[numK0].k1TimingInfo.k1Indexes[numK1++] = k1Index;
+ /* TODO Store K1 index where harq feedback will be received in harq table. */
+ }
+ if(numK1)
+ {
+ k0K1InfoTbl->k0k1TimingInfo[slotIdx].k0Indexes[numK0].k1TimingInfo.numK1 = numK1;
+ k0K1InfoTbl->k0k1TimingInfo[slotIdx].k0Indexes[numK0].k0Index = k0Index;
+ numK0++;
+ }
+ }
+ if(numK0)
+ {
+ k0K1InfoTbl->k0k1TimingInfo[slotIdx].numK0 = numK0;
+ }
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Fills k0 and k1 information table
+ *
+ * @details
+ *
+ * Function : BuildK0K1Table
+ *
+ * Functionality:
+ * Fills K0 and k1 information table
+ *
+ * @params[in] SchCellCb *cell,SchK0K1TimingInfoTbl *k0K1InfoTbl,bool
+ * pdschCfgCmnPres,uint8_t numTimeDomAlloc, SchPdschCfgCmnTimeDomRsrcAlloc
+ * cmnTimeDomRsrcAllocList[], SchPdschTimeDomRsrcAlloc
+ * dedTimeDomRsrcAllocList[], uint8_t ulAckListCount, uint8_t *UlAckTbl
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void BuildK0K1Table(SchCellCb *cell, SchK0K1TimingInfoTbl *k0K1InfoTbl, bool pdschCfgCmnPres, SchPdschCfgCmn pdschCmnCfg,\
+SchPdschConfig pdschDedCfg, uint8_t ulAckListCount, uint8_t *UlAckTbl)
+{
+
+#ifdef NR_TDD
+ SlotConfig slotCfg;
+ bool ulSlotPresent = false;
+ uint8_t k0TmpVal = 0, k1TmpVal =0, tmpSlot=0, startSymbol=0, endSymbol=0, checkSymbol=0;
+ uint8_t slotIdx=0, k0Index=0, k1Index=0, numK0=0, numK1=0, cfgIdx=0, numTimeDomAlloc =0, totalCfgSlot =0;
+ SchPdschCfgCmnTimeDomRsrcAlloc cmnTimeDomRsrcAllocList[MAX_NUM_DL_ALLOC];
+ SchPdschTimeDomRsrcAlloc dedTimeDomRsrcAllocList[MAX_NUM_DL_ALLOC];
+#endif
+
+ if(cell->cellCfg.dupMode == DUPLEX_MODE_FDD)
+ {
+ BuildK0K1TableForFdd(cell, k0K1InfoTbl, pdschCfgCmnPres, pdschCmnCfg, pdschDedCfg, ulAckListCount, UlAckTbl);
+ }
+ else
+ {
+#ifdef NR_TDD
+
+ /* Initialization the K0K1 structure, total num of slot and calculating the slot pattern length. */
+ memset(k0K1InfoTbl, 0, sizeof(SchK0K1TimingInfoTbl));
+ k0K1InfoTbl->tblSize = cell->numSlots;
+ totalCfgSlot = calculateSlotPatternLength(cell->cellCfg.ssbSchCfg.scsCommon, cell->cellCfg.tddCfg.tddPeriod);
+
+ /* Storing time domain resource allocation list based on common or
+ * dedicated configuration availability. */
+ if(pdschCfgCmnPres == true)
+ {
+ numTimeDomAlloc = pdschCmnCfg.numTimeDomAlloc;
+ for(cfgIdx = 0; cfgIdx<numTimeDomAlloc; cfgIdx++)
+ {
+ cmnTimeDomRsrcAllocList[cfgIdx] = pdschCmnCfg.timeDomRsrcAllocList[cfgIdx];
+ }
+ }
+ else
+ {
+ numTimeDomAlloc = pdschDedCfg.numTimeDomRsrcAlloc;
+ for(cfgIdx = 0; cfgIdx<numTimeDomAlloc; cfgIdx++)
+ {
+ dedTimeDomRsrcAllocList[cfgIdx] = pdschDedCfg.timeDomRsrcAllociList[cfgIdx];
+ }
+ }
+
+ /* Checking all possible indexes for K0 and K1 values. */
+ for(slotIdx = 0; slotIdx < cell->numSlots; slotIdx++)
+ {
+ /* If current slot is UL or FLEXI then Skip because PDCCH is sent only in DL slots. */
+ slotCfg = schGetSlotSymbFrmt(slotIdx%totalCfgSlot, cell->slotFrmtBitMap);
+ if(slotCfg == UL_SLOT || slotCfg == FLEXI_SLOT)
+ {
+ continue;
+ }
+
+ /* Storing K0 , start symbol and length symbol for further processing.
+ * If K0 value is not available then we can fill the default values
+ * given in spec 38.331. */
+ numK0 = 0;
+ for(k0Index = 0; ((k0Index < numTimeDomAlloc) && (k0Index < MAX_NUM_K0_IDX)); k0Index++)
+ {
+ if(pdschCfgCmnPres == true)
+ {
+ k0TmpVal = cmnTimeDomRsrcAllocList[k0Index].k0;
+ startSymbol = cmnTimeDomRsrcAllocList[k0Index].startSymbol;
+ endSymbol = startSymbol + cmnTimeDomRsrcAllocList[k0Index].lengthSymbol;
+ }
+ else
+ {
+ if(dedTimeDomRsrcAllocList[k0Index].k0 != NULLP)
+ {
+ k0TmpVal = *(dedTimeDomRsrcAllocList[k0Index].k0);
+ }
+ else
+ {
+ k0TmpVal = DEFAULT_K0_VALUE;
+ }
+ startSymbol = dedTimeDomRsrcAllocList[k0Index].startSymbol;
+ endSymbol = startSymbol + dedTimeDomRsrcAllocList[k0Index].symbolLength;
+ }
+
+ /* If current slot + k0 is UL then skip the slot
+ * else if it is DL slot then continue the next steps
+ * else if it is a FLEXI slot then check symbols of slot, It should not
+ * contain any UL slot. */
+ tmpSlot = (slotIdx+k0TmpVal) % totalCfgSlot;
+ slotCfg = schGetSlotSymbFrmt(tmpSlot, cell->slotFrmtBitMap);
+ if(slotCfg == UL_SLOT)
+ {
+ continue;
+ }
+ if(slotCfg == FLEXI_SLOT)
+ {
+ for(checkSymbol = startSymbol; checkSymbol<endSymbol; checkSymbol ++)
+ {
+ slotCfg = cell->cellCfg.tddCfg.slotCfg[tmpSlot][checkSymbol];
+ if(slotCfg == UL_SLOT)
+ {
+ continue;
+ }
+ }
+ }
+
+ /* If current slot + k0 + k1 is a DL slot then skip the slot
+ * else if it is UL slot then store the information
+ * else if it is FLEXI slot then check the symbols, it must have
+ * at least one UL symbol. */
+ numK1 = 0;
+ for(k1Index = 0; k1Index < ulAckListCount; k1Index++)
+ {
+ k1TmpVal = UlAckTbl[k1Index];
+ if(k1TmpVal > MIN_NUM_K1_IDX)
+ {
+ tmpSlot = (slotIdx+k0TmpVal+k1TmpVal) % totalCfgSlot;
+ slotCfg = schGetSlotSymbFrmt(tmpSlot, cell->slotFrmtBitMap);
+ if(slotCfg == DL_SLOT)
+ {
+ continue;
+ }
+ if(slotCfg == FLEXI_SLOT)
+ {
+ for(checkSymbol = 0; checkSymbol< MAX_SYMB_PER_SLOT;checkSymbol++)
+ {
+ if(cell->cellCfg.tddCfg.slotCfg[tmpSlot][checkSymbol] == UL_SLOT)
+ {
+ ulSlotPresent = true;
+ break;
+ }
+ }
+ }
+ if(ulSlotPresent == true || slotCfg == UL_SLOT)
+ {
+ k0K1InfoTbl->k0k1TimingInfo[slotIdx].k0Indexes[numK0].k1TimingInfo.k1Indexes[numK1++] = k1Index;
+ /* TODO Store K1 index where harq feedback will be received
+ * in harq table. */
+ }
+ }
+ }
+
+ /* Store all the values if all condition satisfies. */
+ if(numK1)
+ {
+ k0K1InfoTbl->k0k1TimingInfo[slotIdx].k0Indexes[numK0].k1TimingInfo.numK1 = numK1;
+ k0K1InfoTbl->k0k1TimingInfo[slotIdx].k0Indexes[numK0].k0Index = k0Index;
+ numK0++;
+ }
+ }
+ if(numK0)
+ {
+ k0K1InfoTbl->k0k1TimingInfo[slotIdx].numK0 = numK0;
+ }
+ }
+#endif
+ }
+}
+
+/*******************************************************************
+*
+* @brief Fills K2 information table for FDD
+*
+* @details
+*
+* Function : BuildK2InfoTableForFdd
+*
+* Functionality:
+* Fills K2 information table for FDD
+*
+* @params[in] SchCellCb *cell,SchPuschTimeDomRsrcAlloc timeDomRsrcAllocList[],
+* uint16_t puschSymTblSize,SchK2TimingInfoTbl *k2InfoTbl
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+void BuildK2InfoTableForFdd(SchCellCb *cell, SchPuschTimeDomRsrcAlloc timeDomRsrcAllocList[], uint16_t puschSymTblSize,\
+SchK2TimingInfoTbl *msg3K2InfoTbl, SchK2TimingInfoTbl *k2InfoTbl)
+{
+ uint16_t slotIdx=0, k2Index=0, k2TmpIdx=0, msg3K2TmpIdx=0;
+
+ /* Initialization the structure and storing the total slot values. */
+ memset(k2InfoTbl, 0, sizeof(SchK2TimingInfoTbl));
+ k2InfoTbl->tblSize = cell->numSlots;
+ if(msg3K2InfoTbl)
+ msg3K2InfoTbl->tblSize = cell->numSlots;
+
+ /* Checking all possible indexes for K2. */
+ for(slotIdx = 0; slotIdx < cell->numSlots; slotIdx++)
+ {
+ /* Storing K2 values. */
+ for(k2Index = 0; ((k2Index < puschSymTblSize) && (k2Index < MAX_NUM_K2_IDX)); k2Index++)
+ {
+ k2TmpIdx= k2InfoTbl->k2TimingInfo[slotIdx].numK2;
+ k2InfoTbl->k2TimingInfo[slotIdx].k2Indexes[k2TmpIdx] = k2Index;
+ k2InfoTbl->k2TimingInfo[slotIdx].numK2++;
+
+ /* Updating K2 values for MSG3 */
+ if(msg3K2InfoTbl)
+ {
+ msg3K2TmpIdx = msg3K2InfoTbl->k2TimingInfo[slotIdx].numK2;
+ msg3K2InfoTbl->k2TimingInfo[slotIdx].k2Indexes[msg3K2TmpIdx] = k2Index;
+ msg3K2InfoTbl->k2TimingInfo[slotIdx].numK2++;
+ }
+ }
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief Fills K2 information table
+ *
+ * @details
+ *
+ * Function : BuildK2InfoTable
+ *
+ * Functionality:
+ * Fills K2 information table
+ *
+ * @params[in] SchCellCb *cell,SchPuschTimeDomRsrcAlloc timeDomRsrcAllocList[],
+ * uint16_t puschSymTblSize, SchK2TimingInfoTbl *k2InfoTbl
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void BuildK2InfoTable(SchCellCb *cell, SchPuschTimeDomRsrcAlloc timeDomRsrcAllocList[], uint16_t puschSymTblSize,\
+SchK2TimingInfoTbl *msg3K2InfoTbl, SchK2TimingInfoTbl *k2InfoTbl)
+{
+
+#ifdef NR_TDD
+ bool dlSymbolPresent = false;
+ uint8_t slotIdx=0, k2Index=0, k2Val=0, k2TmpVal=0, msg3K2TmpVal=0, msg3Delta=0, numK2 =0, currentSymbol =0;
+ uint8_t startSymbol =0, endSymbol =0, checkSymbol=0, totalCfgSlot=0, slotCfg=0;
+ SlotConfig currentSlot;
+#endif
+
+ if(cell->cellCfg.dupMode == DUPLEX_MODE_FDD)
+ {
+ BuildK2InfoTableForFdd(cell, timeDomRsrcAllocList, puschSymTblSize, msg3K2InfoTbl, k2InfoTbl);
+ }
+ else
+ {
+#ifdef NR_TDD
+
+ /* Initialization the structure and storing the total slot values. */
+ memset(k2InfoTbl, 0, sizeof(SchK2TimingInfoTbl));
+ k2InfoTbl->tblSize = cell->numSlots;
+ if(msg3K2InfoTbl)
+ msg3K2InfoTbl->tblSize = cell->numSlots;
+ totalCfgSlot = calculateSlotPatternLength(cell->cellCfg.ssbSchCfg.scsCommon, cell->cellCfg.tddCfg.tddPeriod);
+
+ /* Checking all possible indexes for K2. */
+ for(slotIdx = 0; slotIdx < cell->numSlots; slotIdx++)
+ {
+ currentSlot = schGetSlotSymbFrmt(slotIdx % totalCfgSlot, cell->slotFrmtBitMap);
+
+ /* If current slot is UL then skip because PDCCH is sent only in DL slots */
+ if(currentSlot != UL_SLOT)
+ {
+ for(k2Index = 0; ((k2Index < puschSymTblSize) && (k2Index < MAX_NUM_K2_IDX)); k2Index++)
+ {
+ /* Storing k2, startSymbol, endSymbol information for further processing.
+ * If k2 is absent then fill the default values given in spec 38.331
+ * PUSCH-TimeDomainResourceAllocationList field descriptions */
+ k2Val = timeDomRsrcAllocList[k2Index].k2;
+ if(!k2Val)
+ {
+ switch(cell->cellCfg.ssbSchCfg.scsCommon)
+ {
+ case SCS_15KHZ:
+ k2Val = DEFAULT_K2_VALUE_FOR_SCS15;
+ break;
+ case SCS_30KHZ:
+ k2Val = DEFAULT_K2_VALUE_FOR_SCS30;
+ break;
+ case SCS_60KHZ:
+ k2Val = DEFAULT_K2_VALUE_FOR_SCS60;
+ break;
+ case SCS_120KHZ:
+ k2Val = DEFAULT_K2_VALUE_FOR_SCS120;
+ break;
+ }
+ }
+
+ /* Current slot + k2 should be either UL or FLEXI slot.
+ * If slot is FLEXI then check all the symbols of that slot,
+ * it should not contain any DL or FLEXI slot */
+ k2TmpVal = (slotIdx + k2Val) % totalCfgSlot;
+ slotCfg = schGetSlotSymbFrmt(k2TmpVal, cell->slotFrmtBitMap);
+ if(slotCfg != DL_SLOT)
+ {
+ if(slotCfg == FLEXI_SLOT)
+ {
+ startSymbol = timeDomRsrcAllocList[k2Index].startSymbol;
+ endSymbol = startSymbol+ timeDomRsrcAllocList[k2Index].symbolLength;
+ dlSymbolPresent = false;
+ for(checkSymbol= startSymbol; checkSymbol<endSymbol; checkSymbol++)
+ {
+ currentSymbol = cell->cellCfg.tddCfg.slotCfg[k2TmpVal][checkSymbol];
+ if(currentSymbol == DL_SLOT || currentSymbol == FLEXI_SLOT)
+ {
+ dlSymbolPresent = true;
+ break;
+ }
+ }
+ }
+ /* Store all the values if all condition satisfies. */
+ if(dlSymbolPresent != true || slotCfg == UL_SLOT)
+ {
+ numK2 = k2InfoTbl->k2TimingInfo[slotIdx].numK2;
+ k2InfoTbl->k2TimingInfo[slotIdx].k2Indexes[numK2] = k2Index;
+ k2InfoTbl->k2TimingInfo[slotIdx].numK2++;
+ }
+ }
+
+ if(msg3K2InfoTbl)
+ {
+ msg3Delta = puschDeltaTable[cell->cellCfg.numerology];
+
+ /* Check for K2 for MSG3 */
+ /* Current slot + k2 should be either UL or FLEXI slot.
+ * If slot is FLEXI then check all the symbols of that slot,
+ * it should not contain any DL or FLEXI slot */
+ msg3K2TmpVal = (slotIdx + k2Val + msg3Delta) % totalCfgSlot;
+ slotCfg = schGetSlotSymbFrmt(msg3K2TmpVal, cell->slotFrmtBitMap);
+ if(slotCfg != DL_SLOT)
+ {
+ if(slotCfg == FLEXI_SLOT)
+ {
+ startSymbol = timeDomRsrcAllocList[k2Index].startSymbol;
+ endSymbol = startSymbol+ timeDomRsrcAllocList[k2Index].symbolLength;
+ dlSymbolPresent = false;
+ for(checkSymbol= startSymbol; checkSymbol<endSymbol; checkSymbol++)
+ {
+ currentSymbol = cell->cellCfg.tddCfg.slotCfg[msg3K2TmpVal][checkSymbol];
+ if(currentSymbol == DL_SLOT || currentSymbol == FLEXI_SLOT)
+ {
+ dlSymbolPresent = true;
+ break;
+ }
+ }
+ }
+ /* Store all the values if all condition satisfies. */
+ if(dlSymbolPresent != true || slotCfg == UL_SLOT)
+ {
+ numK2 = msg3K2InfoTbl->k2TimingInfo[slotIdx].numK2;
+ msg3K2InfoTbl->k2TimingInfo[slotIdx].k2Indexes[numK2] = k2Index;
+ msg3K2InfoTbl->k2TimingInfo[slotIdx].numK2++;
+ }
+ }
+ }
+ }
+ }
+ }
+#endif
+ }
+}
+
+/*******************************************************************************************
+ *
+ * @brief Allocate the PRB using RRM policy
+ *
+ * @details
+ *
+ * Function : prbAllocUsingRRMPolicy
+ *
+ * Functionality:
+ * [Step1]: Traverse each Node in the LC list
+ * [Step2]: Check whether the LC has ZERO requirement then clean this LC
+ * [Step3]: Calcualte the maxPRB for this LC.
+ * a. For Dedicated LC, maxPRB = sum of remainingReservedPRB and
+ * sharedPRB
+ * b. For Default, just SharedPRB count
+ * [Step4]: If the LC is the First one to be allocated for this UE then add
+ * TX_PAYLODN_LEN to reqBO
+ * [Step5]: Calculate the estimate PRB and estimate BO to be allocated
+ * based on reqBO and maxPRB left.
+ * [Step6]: Based on calculated PRB, Update Reserved PRB and Shared PRB counts
+ * [Step7]: Deduce the reqBO based on allocBO and move the LC node to last.
+ * [Step8]: Continue the next loop from List->head
+ *
+ * [Loop Exit]:
+ * [Exit1]: If all the LCs are allocated in list
+ * [Exit2]: If PRBs are exhausted
+ *
+ * @params[in] I/P > lcLinkList pointer (LcInfo list)
+ * I/P > IsDedicatedPRB (Flag to indicate that RESERVED PRB to use
+ * 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[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, bool *srRcvd)
+{
+ CmLList *node = NULLP;
+ LcInfo *lcNode = NULLP;
+ uint16_t remReservedPRB = 0, estPrb = 0, maxPRB = 0;
+
+ if(lcLL == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH: LcList not present");
+ return;
+ }
+ node = lcLL->first;
+
+ /*Only for Dedicated LcList, Valid value will be assigned to remReservedPRB
+ * For Other LcList, remReservedPRB = 0*/
+ if(reservedPRB != NULLP && isDedicatedPRB == TRUE)
+ {
+ remReservedPRB = *reservedPRB;
+ }
+
+ /*[Step1]*/
+ while(node)
+ {
+#if 0
+ /*For Debugging purpose*/
+ printLcLL(lcLL);
+#endif
+ lcNode = (LcInfo *)node->node;
+
+ /* [Step2]: Below condition will hit in rare case as it has been taken care during the cleaning
+ * process of LCID which was fully allocated. Check is just for safety purpose*/
+ if(lcNode->reqBO == 0 && lcNode->allocBO == 0)
+ {
+ DU_LOG("\nERROR --> SCH: LCID:%d has no requirement, clearing this node",\
+ lcNode->lcId);
+ deleteNodeFromLList(lcLL, node);
+ SCH_FREE(lcNode, sizeof(LcInfo));
+ node = lcLL->first;
+ continue;
+ }
+
+ /*[Exit1]: All LCs are allocated(allocBO = 0 for fully unallocated LC)*/
+ if(lcNode->allocBO != 0)
+ {
+ DU_LOG("\nDEBUG --> SCH: All LC are allocated [SharedPRB:%d]",*sharedPRB);
+ return;
+ }
+
+ /*[Exit2]: If PRBs are exhausted*/
+ if(isDedicatedPRB)
+ {
+ /*Loop Exit: All resources exhausted*/
+ if(remReservedPRB == 0 && *sharedPRB == 0)
+ {
+ DU_LOG("\nDEBUG --> SCH: Dedicated resources exhausted for LC:%d",lcNode->lcId);
+ return;
+ }
+ }
+ else
+ {
+ /*Loop Exit: All resources exhausted*/
+ if(*sharedPRB == 0)
+ {
+ DU_LOG("\nDEBUG --> SCH: Default resources exhausted for LC:%d",lcNode->lcId);
+ return;
+ }
+ }
+
+ /*[Step3]*/
+ maxPRB = remReservedPRB + *sharedPRB;
+
+ /*[Step4]*/
+ if((isTxPayloadLenAdded != NULLP) && (*isTxPayloadLenAdded == FALSE))
+ {
+ 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]*/
+ lcNode->allocBO = calculateEstimateTBSize(lcNode->reqBO,\
+ mcsIdx, numSymbols, maxPRB, &estPrb);
+ }
+
+ /*[Step6]:Re-adjust the reservedPRB pool count and *SharedPRB Count based on
+ * estimated PRB allocated*/
+ if((isDedicatedPRB == TRUE) && (estPrb <= remReservedPRB))
+ {
+ remReservedPRB = remReservedPRB - estPrb;
+ }
+ else /*LC requirement need PRB share from SharedPRB*/
+ {
+ if(*sharedPRB <= (estPrb - remReservedPRB))
+ {
+ DU_LOG("\nDEBUG --> SCH: SharedPRB is less");
+ *sharedPRB = 0;
+ }
+ else
+ {
+ *sharedPRB = *sharedPRB - (estPrb - remReservedPRB);
+ }
+ remReservedPRB = 0;
+ }
+
+ /*[Step7]*/
+ lcNode->reqBO -= lcNode->allocBO; /*Update the reqBO with remaining bytes unallocated*/
+ lcNode->allocPRB = estPrb;
+ cmLListAdd2Tail(lcLL, cmLListDelFrm(lcLL, node));
+
+ /*[Step8]:Next loop: First LC to be picked from the list
+ * because Allocated Nodes are moved to the last*/
+ node = lcLL->first;
+
+ }
+ return;
+}
+
+/*******************************************************************************************
+ *
+ * @brief Check the LC List and fill the LC and GrantSize to be sent to MAC as
+ * BO Report
+ *
+ * @details
+ *
+ * Function : updateGrantSizeForBoRpt
+ *
+ * Functionality:
+ * Check the LC List and fill the LC and GrantSize to be sent to MAC as
+ * BO Report in dlMsgAlloc Pointer
+ *
+ * @params[in] I/P > lcLinkList pointer (LcInfo list)
+ * 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,\
+ BsrInfo *bsrInfo, uint32_t *accumalatedBOSize)
+{
+ CmLList *node = NULLP, *next = NULLP;
+ LcInfo *lcNode = NULLP;
+ DlMsgSchInfo *dlMsgSchInfo = NULLP;
+
+ if(lcLL == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH: LcList not present");
+ return;
+ }
+
+ if(lcLL->count)
+ {
+ node = lcLL->first;
+ }
+ else
+ {
+ /*lcLL is empty*/
+ return;
+ }
+
+ /*Traverse List*/
+ while(node)
+ {
+ next = node->next;
+ lcNode = (LcInfo *)node->node;
+ if(lcNode != NULLP)
+ {
+ 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;
+
+ /*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);
+
+ dlMsgSchInfo->numLc++;
+ /*The LC has been fully allocated, clean it*/
+ if(lcNode->reqBO == 0)
+ {
+ handleLcLList(lcLL, lcNode->lcId, DELETE);
+ }
+ }
+ else if(bsrInfo != NULLP)
+ {
+ *accumalatedBOSize += lcNode->allocBO;
+ DU_LOG("\nINFO --> SCH: UL : LCID:%d,reqBO:%d, TotalBO Size:%d",\
+ lcNode->lcId,lcNode->reqBO, *accumalatedBOSize);
+ }
+ }
+ node = next;
+ }/*End of while*/
+ 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
+ *
+ * @details
+ *
+ * Function : schProcessMsg4Req
+ *
+ * Functionality:
+ * sch Process pending Msg4 Req
+ *
+ * @params[in] SchCellCb *cell, SlotTimingInfo currTime
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ *******************************************************************/
+
+bool schProcessMsg4Req(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId)
+{
+ 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 */
+
+ if(cell == NULL)
+ {
+ DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : Cell is NULL");
+ return false;
+ }
+
+ if(findValidK0K1Value(cell, currTime, ueId, false, &pdschStartSymbol, &pdschNumSymbols, &pdcchTime, &pdschTime,\
+ &pucchTime) != true )
+ {
+ return false;
+ }
+
+ 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;
+ }
+
+ /* 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
+ {
+ /* 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];
+
+ /* 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;
+
+ /* 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;
+ }
+
+ /*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
**********************************************************************/