* RFAILED - failure
*
* ****************************************************************/
-uint8_t schDlRsrcAllocMsg4(SchCellCb *cell, SlotTimingInfo msg4Time, uint8_t ueIdx, DlMsgAlloc *msg4Alloc, uint8_t k0Idx)
+uint8_t schDlRsrcAllocMsg4(SchCellCb *cell, SlotTimingInfo msg4Time, uint8_t ueId, DlMsgAlloc *msg4Alloc, uint8_t k0Idx)
{
uint8_t coreset0Idx = 0;
uint8_t firstSymbol = 0;
bwp = &msg4Alloc->bwp;
coreset0Idx = initialBwp->pdcchCommon.commonSearchSpace.coresetId;
- msg4Alloc->dlMsgInfo = cell->raCb[ueIdx].dlMsgInfo;
+ msg4Alloc->dlMsgInfo = cell->raCb[ueId-1].dlMsgInfo;
msg4Alloc->dlMsgInfo.isMsg4Pdu = true;
/* derive the sib1 coreset0 params from table 13-1 spec 38.213 */
numRbs = coresetIdxTable[coreset0Idx][1];
pdcch->coresetCfg.shiftIndex = cell->cellCfg.phyCellId;
pdcch->coresetCfg.precoderGranularity = 0; /* sameAsRegBundle */
pdcch->numDlDci = 1;
- pdcch->dci.rnti = cell->raCb[ueIdx].tcrnti;
+ 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 */
/* fill the PDSCH PDU */
uint8_t cwCount = 0;
pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */
- pdsch->rnti = cell->raCb[ueIdx].tcrnti;
+ pdsch->rnti = cell->raCb[ueId-1].tcrnti;
pdsch->pduIndex = 0;
pdsch->numCodewords = 1;
for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
*
*******************************************************************/
-uint8_t schProcessMsg4Req(SchCellCb *cell, SlotTimingInfo currTime)
+bool schProcessMsg4Req(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId)
{
bool k1Found = FALSE;
uint16_t pdcchSlot = 0, pdschSlot = 0;
- uint8_t ueIdx = 0, numK0 = 0, k0TblIdx = 0, k0Index = 0, k0Val = 0;
+ uint8_t numK0 = 0, k0TblIdx = 0, k0Index = 0, k0Val = 0;
uint8_t k1TblIdx = 0, k1Index = 0, k1Val = 0, numK1 = 0;
SchK0K1TimingInfoTbl *k0K1InfoTbl;
SlotTimingInfo pdcchTime, pdschTime, pucchTime;
if(cell == NULL)
{
DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : Cell is NULL");
- return RFAILED;
+ return false;
}
- while(ueIdx < MAX_NUM_UE)
+ 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(cell->raCb[ueIdx].msg4recvd == FALSE)
- {
- ueIdx++;
- continue;
- }
+ return false;
+ }
+#endif
+ /* If PDCCH is already scheduled on this slot, cannot schedule PDSCH for
+ * another UE here. */
+ if(cell->schDlSlotInfo[pdcchSlot]->pdcchUe != 0)
+ return false;
+
+ k0K1InfoTbl = &cell->cellCfg.schInitialDlBwp.k0K1InfoTbl;
+ numK0 = k0K1InfoTbl->k0k1TimingInfo[pdcchSlot].numK0;
+ for(k0TblIdx = 0; k0TblIdx < numK0; k0TblIdx++)
+ {
+ k0Index = k0K1InfoTbl->k0k1TimingInfo[pdcchSlot].k0Indexes[k0TblIdx].k0Index;
+ k0Val = cell->cellCfg.schInitialDlBwp.pdschCommon.timeDomRsrcAllocList[k0Index].k0;
+
+ ADD_DELTA_TO_TIME(pdcchTime, pdschTime, k0Val);
+ pdschSlot = pdschTime.slot;
- 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(schGetSlotSymbFrmt(pdschSlot, cell->slotFrmtBitMap) != DL_SLOT)
{
continue;
}
#endif
- k0K1InfoTbl = &cell->cellCfg.schInitialDlBwp.k0K1InfoTbl;
- numK0 = k0K1InfoTbl->k0k1TimingInfo[pdcchSlot].numK0;
- for(k0TblIdx = 0; k0TblIdx < numK0; k0TblIdx++)
+ /* 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++)
{
- k0Index = k0K1InfoTbl->k0k1TimingInfo[pdcchSlot].k0Indexes[k0TblIdx].k0Index;
- k0Val = cell->cellCfg.schInitialDlBwp.pdschCommon.timeDomRsrcAllocList[k0Index].k0;
+ k1Index = k0K1InfoTbl->k0k1TimingInfo[pdcchSlot].k0Indexes[k0TblIdx].k1TimingInfo.k1Indexes[k1TblIdx];
+ k1Val = defaultUlAckTbl[k1Index];
- ADD_DELTA_TO_TIME(pdcchTime, pdschTime, k0Val);
- pdschSlot = pdschTime.slot;
+ ADD_DELTA_TO_TIME(pdschTime, pucchTime, k1Val);
#ifdef NR_TDD
- if(schGetSlotSymbFrmt(pdschSlot, cell->slotFrmtBitMap) != DL_SLOT)
+ if(schGetSlotSymbFrmt(pucchTime.slot, cell->slotFrmtBitMap) == DL_SLOT)
{
continue;
}
#endif
- numK1 = k0K1InfoTbl->k0k1TimingInfo[pdcchSlot].k0Indexes[k0TblIdx].k1TimingInfo.numK1;
- for(k1TblIdx = 0; k1TblIdx < numK1; k1TblIdx++)
- {
- k1Index = k0K1InfoTbl->k0k1TimingInfo[pdcchSlot].k0Indexes[k0TblIdx].k1TimingInfo.k1Indexes[k1TblIdx];
- k1Val = defaultUlAckTbl[k1Index];
+ /* If PUCCH is already scheduled on this slot, another PUCCH
+ * pdu cannot be scheduled here */
+ if(cell->schUlSlotInfo[pucchTime.slot]->pucchUe != 0)
+ continue;
- ADD_DELTA_TO_TIME(pdschTime, pucchTime, k1Val);
-#ifdef NR_TDD
- if(schGetSlotSymbFrmt(pucchTime.slot, cell->slotFrmtBitMap) == DL_SLOT)
- {
- continue;
- }
-#endif
- k1Found = true;
- break;
- }
- if(k1Found)
- break;
+ k1Found = true;
+ break;
}
+ if(k1Found)
+ break;
+ }
- /* If K0-K1 combination not found, no scheduling happens */
- if(!k1Found)
- {
- ueIdx++;
- continue;
- }
-
- SCH_ALLOC(dciSlotAlloc, sizeof(DlMsgAlloc));
- if(dciSlotAlloc == NULLP)
- {
- DU_LOG("\nERROR --> SCH : Memory Allocation failed for dciSlotAlloc");
- return RFAILED;
- }
- cell->schDlSlotInfo[pdcchSlot]->dlMsgAlloc = dciSlotAlloc;
+ /* If K0-K1 combination not found, no scheduling happens */
+ if(!k1Found)
+ return false;
- /* Fill PDCCH and PDSCH scheduling information for Msg4 */
- if((schDlRsrcAllocMsg4(cell, pdschTime, ueIdx, dciSlotAlloc, k0Index)) != ROK)
+ SCH_ALLOC(dciSlotAlloc, sizeof(DlMsgAlloc));
+ if(dciSlotAlloc == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : Memory Allocation failed for dciSlotAlloc");
+ 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)
+ {
+ DU_LOG("\nERROR --> SCH: Scheduling of Msg4 failed in slot [%d]", pdschSlot);
+ SCH_FREE(dciSlotAlloc, sizeof(DlMsgAlloc));
+ cell->schDlSlotInfo[pdcchSlot]->dlMsgAlloc[ueId-1] = NULLP;
+ 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(pdcchSlot == pdschSlot)
+ dciSlotAlloc->pduPres = BOTH;
+ else
+ {
+ /* Allocate memory to schedule rarSlot to send RAR, pointer will be checked at schProcessSlotInd() */
+ SCH_ALLOC(msg4SlotAlloc, sizeof(DlMsgAlloc));
+ if(msg4SlotAlloc == NULLP)
{
- DU_LOG("\nERROR --> SCH: Scheduling of Msg4 failed in slot [%d]", pdschSlot);
+ DU_LOG("\nERROR --> SCH : Memory Allocation failed for msg4SlotAlloc");
SCH_FREE(dciSlotAlloc, sizeof(DlMsgAlloc));
- cell->schDlSlotInfo[pdcchSlot]->dlMsgAlloc = NULLP;
- return RFAILED;
+ cell->schDlSlotInfo[pdcchSlot]->dlMsgAlloc[ueId-1] = NULLP;
+ 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(pdcchSlot == pdschSlot)
- dciSlotAlloc->pduPres = BOTH;
- else
- {
- /* Allocate memory to schedule rarSlot to send RAR, pointer will be checked at schProcessSlotInd() */
- SCH_ALLOC(msg4SlotAlloc, sizeof(DlMsgAlloc));
- if(msg4SlotAlloc == NULLP)
- {
- DU_LOG("\nERROR --> SCH : Memory Allocation failed for msg4SlotAlloc");
- SCH_FREE(dciSlotAlloc, sizeof(DlMsgAlloc));
- cell->schDlSlotInfo[pdcchSlot]->dlMsgAlloc = NULLP;
- return RFAILED;
- }
- cell->schDlSlotInfo[pdschSlot]->dlMsgAlloc = msg4SlotAlloc;
+ cell->schDlSlotInfo[pdschSlot]->dlMsgAlloc[ueId-1] = msg4SlotAlloc;
- /* Copy all RAR info */
- memcpy(msg4SlotAlloc, dciSlotAlloc, sizeof(DlMsgAlloc));
- msg4SlotAlloc->dlMsgPdcchCfg.dci.pdschCfg = &msg4SlotAlloc->dlMsgPdschCfg;
+ /* 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;
- }
-
- /* PUCCH resource */
- schAllocPucchResource(cell, pucchTime, cell->raCb[ueIdx].tcrnti);
- cell->raCb[ueIdx].msg4recvd = FALSE;
- ueIdx++;
+ /* Assign correct PDU types in corresponding slots */
+ msg4SlotAlloc->pduPres = PDSCH_PDU;
+ dciSlotAlloc->pduPres = PDCCH_PDU;
+ dciSlotAlloc->pdschSlot = pdschSlot;
}
- return ROK;
+
+ /* PUCCH resource */
+ schAllocPucchResource(cell, pucchTime, cell->raCb[ueId-1].tcrnti);
+
+ cell->schDlSlotInfo[pdcchSlot]->pdcchUe = ueId;
+ cell->schDlSlotInfo[pdschSlot]->pdschUe = ueId;
+ cell->schUlSlotInfo[pucchTime.slot]->puschUe = ueId;
+ cell->raCb[ueId-1].msg4recvd = FALSE;
+ return true;
}
/**********************************************************************
End of file
Code Review / o-du / l2.git / blobdiff