void schInitTddSlotCfg(SchCellCb *cell, SchCellCfg *schCellCfg)
{
uint16_t periodicityInMicroSec = 0;
- uint32_t slotBitPos, symbBitPos, bitMask;
int8_t slotIdx, symbIdx;
periodicityInMicroSec = schGetPeriodicityInMsec(schCellCfg->tddCfg.tddPeriod);
cell->numSlotsInPeriodicity = (periodicityInMicroSec * pow(2, schCellCfg->numerology))/1000;
-cell->slotFrmtBitMap = 0;
+ cell->slotFrmtBitMap = 0;
cell->symbFrmtBitMap = 0;
- slotBitPos = (cell->numSlotsInPeriodicity*2)-1; /* considering 2 bits to represent a slot */
- symbBitPos = (MAX_SYMB_PER_SLOT*2)-1; /* considering 2 bits to represent a symbol */
for(slotIdx = cell->numSlotsInPeriodicity-1; slotIdx >= 0; slotIdx--)
{
symbIdx = 0;
case DL_SLOT:
{
/*BitMap to be set to 00 */
- bitMask = 1<<slotBitPos;
- cell->slotFrmtBitMap = (cell->slotFrmtBitMap & ~(bitMask)) | ((0<<slotBitPos) & bitMask);
- slotBitPos--;
- bitMask = 1<<slotBitPos;
- cell->slotFrmtBitMap = (cell->slotFrmtBitMap & ~(bitMask)) | ((0<<slotBitPos) & bitMask);
- slotBitPos--;
+ cell->slotFrmtBitMap = (cell->slotFrmtBitMap<<2);
break;
}
case UL_SLOT:
{
/*BitMap to be set to 01 */
- bitMask = 1<<slotBitPos;
- cell->slotFrmtBitMap = (cell->slotFrmtBitMap & ~(bitMask)) | ((0<<slotBitPos) & bitMask);
- slotBitPos--;
- bitMask = 1<<slotBitPos;
- cell->slotFrmtBitMap = (cell->slotFrmtBitMap & ~(bitMask)) | ((1<<slotBitPos) & bitMask);
- slotBitPos--;
+ cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (UL_SLOT));
break;
}
default:
continue;
}
/* slot config is flexible. First set slotBitMap to 10 */
- bitMask = 1<<slotBitPos;
- cell->slotFrmtBitMap = (cell->slotFrmtBitMap & ~(bitMask)) | ((1<<slotBitPos) & bitMask);
- slotBitPos--;
- bitMask = 1<<slotBitPos;
- cell->slotFrmtBitMap = (cell->slotFrmtBitMap & ~(bitMask)) | ((0<<slotBitPos) & bitMask);
- slotBitPos--;
+ cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (FLEXI_SLOT));
+
/* Now set symbol bitmap */
for(symbIdx = MAX_SYMB_PER_SLOT-1; symbIdx >= 0; symbIdx--)
{
case DL_SLOT:
{
/*symbol BitMap to be set to 00 */
- bitMask = 1<<symbBitPos;
- cell->symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((0<<symbBitPos) & bitMask);
- symbBitPos--;
- bitMask = 1<<symbBitPos;
- cell->symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((0<<symbBitPos) & bitMask);
- symbBitPos--;
+ cell->symbFrmtBitMap = (cell->symbFrmtBitMap<<2);
break;
}
case UL_SLOT:
{
/*symbol BitMap to be set to 01 */
- bitMask = 1<<symbBitPos;
- cell->symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((0<<symbBitPos) & bitMask);
- symbBitPos--;
- bitMask = 1<<symbBitPos;
- cell->symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((1<<symbBitPos) & bitMask);
- symbBitPos--;
+ cell->symbFrmtBitMap = ((cell->symbFrmtBitMap<<2) | (UL_SLOT));
break;
}
case FLEXI_SLOT:
{
/*symbol BitMap to be set to 10 */
- bitMask = 1<<symbBitPos;
- cell->symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((1<<symbBitPos) & bitMask);
- symbBitPos--;
- bitMask = 1<<symbBitPos;
- cell->symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((0<<symbBitPos) & bitMask);
- symbBitPos--;
+ cell->symbFrmtBitMap = ((cell->symbFrmtBitMap<<2) | (FLEXI_SLOT));
break;
}
default:
}
}
}
-
}
#endif
uint8_t lcId = 0;
uint16_t ueIdx = 0;
uint16_t slot;
+#ifdef NR_TDD
+ uint16_t slotIdx = 0;
+#endif
SchUeCb *ueCb = NULLP;
SchCellCb *cell = NULLP;
SchDlSlotInfo *schDlSlotInfo = NULLP;
}
slot = (cell->slotInfo.slot + SCHED_DELTA + PHY_DELTA_DL + BO_DELTA) % cell->numSlots;
+#ifdef NR_TDD
+ while(schGetSlotSymbFrmt(cell->slotFrmtBitMap, slot) != DL_SLOT)
+ {
+ slot = (slot + 1)%cell->numSlots;
+ slotIdx++;
+ if(slotIdx==cell->numSlots)
+ {
+ DU_LOG("\nERROR --> SCH : No DL Slot available");
+ return RFAILED;
+ }
+ }
+#endif
schDlSlotInfo = cell->schDlSlotInfo[slot];
SCH_ALLOC(schDlSlotInfo->dlMsgInfo, sizeof(DlMsgInfo));
* @return void
**/
uint8_t schAllocMsg3Pusch(Inst schInst, uint16_t slot, uint16_t crnti, \
- uint16_t *msg3StartRb, uint8_t *msg3NumRb)
+ uint16_t *msg3StartRb, uint8_t *msg3NumRb, uint16_t msg3SlotAlloc)
{
SchCellCb *cell = NULLP;
SchUlSlotInfo *schUlSlotInfo = NULLP;
- uint8_t puschMu = 0;
- uint8_t msg3SlotAlloc = 0;
- uint8_t delta = 0;
- uint8_t k2 = 0;
uint8_t startSymb = 0;
uint8_t symbLen = 0;
uint8_t startRb = 0;
uint16_t tbSize = 0;
cell = schCb[schInst].cells[schInst];
- // puschMu = cell->cellCfg.puschMu;
- delta = puschDeltaTable[puschMu];
- k2 = cell->cellCfg.schInitialUlBwp.puschCommon.k2;
startSymb = cell->cellCfg.schInitialUlBwp.puschCommon.startSymbol;
symbLen = cell->cellCfg.schInitialUlBwp.puschCommon.lengthSymbol;
- /* Slot allocation for msg3 based on 38.214 section 6.1.2.1 */
- msg3SlotAlloc = slot + k2 + delta;
- msg3SlotAlloc = msg3SlotAlloc % cell->numSlots;
-
startRb = cell->schUlSlotInfo[msg3SlotAlloc]->puschCurrentPrb;
tbSize = schCalcTbSize(8); /* 6 bytes msg3 and 2 bytes header */
numRb = schCalcNumPrb(tbSize, mcs, numPdschSymbols);
uint16_t msg3StartRb;
uint8_t msg3NumRb;
uint8_t ret = ROK;
-
+ uint8_t delta = 0;
+ uint8_t k2 = 0;
+ uint8_t puschMu = 0;
+ uint16_t msg3Slot = 0;
+#ifdef NR_TDD
+ uint16_t slotIdx = 0;
+#endif
+
+ //puschMu = cell->cellCfg.puschMu;
+ delta = puschDeltaTable[puschMu];
+ k2 = cell->cellCfg.schInitialUlBwp.puschCommon.k2;
/* RAR will sent with a delay of RAR_DELAY */
rarSlot = (rachInd->timingInfo.slot+RAR_DELAY+PHY_DELTA_DL)%cell->numSlots;
+#ifdef NR_TDD
+ for(slotIdx=0; slotIdx<cell->numSlots;slotIdx++)
+ {
+ /* Slot allocation for msg3 based on 38.214 section 6.1.2.1 */
+ msg3Slot = (rarSlot+delta+k2)%cell->numSlots;
+
+ if((schGetSlotSymbFrmt(rarSlot, cell->slotFrmtBitMap) != DL_SLOT) &&\
+ (schGetSlotSymbFrmt(msg3Slot, cell->slotFrmtBitMap) != UL_SLOT))
+ {
+ rarSlot = (rarSlot + 1) % cell->numSlots;
+ continue;
+ }
+ break;
+ }
+ if(slotIdx>=cell->numSlots)
+ {
+ DU_LOG("\nERROR --> SCH : NO Slot for Msg2 with Msg3 Grant\n");
+ return RFAILED;
+ }
+#else
+ /* Slot allocation for msg3 based on 38.214 section 6.1.2.1 */
+ msg3Slot = rarSlot + k2 + delta;
+ msg3Slot = msg3Slot % cell->numSlots;
+#endif
SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[rarSlot]; /* RAR will sent in the next slot */
createSchRaCb(rachInd->crnti,schInst);
/* allocate resources for msg3 */
- ret = schAllocMsg3Pusch(schInst, rarSlot, rachInd->crnti, &msg3StartRb, &msg3NumRb);
+ ret = schAllocMsg3Pusch(schInst, rarSlot, rachInd->crnti, &msg3StartRb, &msg3NumRb, msg3Slot);
if(ret == ROK)
{
/* fill RAR info */