};
SchCb schCb[SCH_MAX_INST];
-int schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t
- offsetPointA);
/*******************************************************************
*
memset(&pst, 0, sizeof(Pst));
FILL_PST_SCH_TO_MAC(pst, inst);
- pst.event = EVENT_DL_ALLOC;
+ pst.event = EVENT_DL_SCH_INFO;
return(*schMacDlAllocOpts[pst.selector])(&pst, dlSchedInfo);
}
-
/*******************************************************************
*
* @brief Handles slot indication at SCH
* RFAILED - failure
*
* ****************************************************************/
-void schCalcSlotValues(SlotIndInfo slotInd, SchSlotValue *schSlotValue)
+void schCalcSlotValues(SlotTimingInfo slotInd, SchSlotValue *schSlotValue)
{
/****************************************************************
* PHY_DELTA - the physical layer delta *
* on PHY_DELTA + SCHED_DELTA + BO_DELTA *
****************************************************************/
- ADD_DELTA_TO_TIME(slotInd, schSlotValue->currentTime, PHY_DELTA);
- ADD_DELTA_TO_TIME(slotInd, schSlotValue->broadcastTime, PHY_DELTA + SCHED_DELTA);
- ADD_DELTA_TO_TIME(slotInd, schSlotValue->rarTime, PHY_DELTA + SCHED_DELTA);
- ADD_DELTA_TO_TIME(slotInd, schSlotValue->dlMsgTime, PHY_DELTA + SCHED_DELTA);
+ ADD_DELTA_TO_TIME(slotInd, schSlotValue->currentTime, PHY_DELTA_DL);
+ ADD_DELTA_TO_TIME(slotInd, schSlotValue->broadcastTime, PHY_DELTA_DL + SCHED_DELTA);
+ ADD_DELTA_TO_TIME(slotInd, schSlotValue->rarTime, PHY_DELTA_DL + SCHED_DELTA);
+ ADD_DELTA_TO_TIME(slotInd, schSlotValue->dlMsgTime, PHY_DELTA_DL + SCHED_DELTA);
+}
+
+/*******************************************************************
+ *
+ * @brief Checks if a slot is to be scheduled for SSB transmission
+ *
+ * @details
+ *
+ * Function : schCheckSsbOcc
+ *
+ * Functionality:
+ * Checks if a slot is to be scheduled for SSB transmission
+ *
+ * @params[in] SlotTimingInfo slotTime
+ * SchCellCb *cell
+ * @return Pdu transmission
+ *
+ * ****************************************************************/
+PduTxOccsaion schCheckSsbOcc(SchCellCb *cell, SlotTimingInfo slotTime)
+{
+ uint8_t ssb_rep;
+
+ ssb_rep = cell->cellCfg.ssbSchCfg.ssbPeriod;
+
+ /* Identify SSB ocassion*/
+ if ((slotTime.sfn % SCH_MIB_TRANS == 0) && (slotTime.slot ==0))
+ {
+ return NEW_TRANSMISSION;
+ }
+ else if(cell->firstSsbTransmitted)
+ {
+ if((ssb_rep == 5) && ((slotTime.slot == 0 || slotTime.slot == 10)))
+ return REPEATITION;
+ else if((slotTime.sfn % (ssb_rep/10) == 0) && slotTime.slot == 0)
+ return REPEATITION;
+ }
+ /* not SSB occassion */
+ return NO_TRANSMISSION;
+}
+
+/*******************************************************************
+ *
+ * @brief Checks if a slot is to be scheduled for SIB1 transmission
+ *
+ * @details
+ *
+ * Function : schCheckSib1Occ
+ *
+ * Functionality:
+ * Checks if a slot is to be scheduled for SIB1 transmission
+ *
+ * @params[in] SlotTimingInfo slotTime
+ * SchCellCb *cell
+ * @return Pdu transmission
+ *
+ * ****************************************************************/
+PduTxOccsaion schCheckSib1Occ(SchCellCb *cell, SlotTimingInfo slotTime)
+{
+ /* Identify SIB1 occasions */
+ if((slotTime.sfn % SCH_SIB1_TRANS == 0) && (slotTime.slot ==0))
+ {
+ return NEW_TRANSMISSION;
+ }
+ else if(cell->firstSib1Transmitted)
+ {
+ if((slotTime.sfn % (cell->cellCfg.sib1SchCfg.sib1RepetitionPeriod/10) == 0) &&
+ (slotTime.slot == 0))
+ {
+ return REPEATITION;
+ }
+ }
+ /* not SIB1 occassion */
+ return NO_TRANSMISSION;
}
/*******************************************************************
uint8_t ueIdx, lcIdx;
uint16_t slot;
uint16_t crnti = 0;
- uint16_t accumalatedSize = 0;
+ uint32_t accumalatedSize = 0;
SchUeCb *ueCb = NULLP;
while(cell->boIndBitMap)
SCH_ALLOC(dlMsgAlloc, sizeof(DlMsgAlloc));
if(!dlMsgAlloc)
{
- DU_LOG("\nMAC: Memory Allocation failed for ded DL msg alloc");
- return RFAILED;
+ DU_LOG("\nERROR --> SCH : Memory Allocation failed for ded DL msg alloc");
+ return RFAILED;
}
memset(dlMsgAlloc, 0, sizeof(DlMsgAlloc));
dlSchedInfo->dlMsgAlloc = dlMsgAlloc;
dlMsgAlloc->numLc = 0;
for(lcIdx = 0; lcIdx < MAX_NUM_LC; lcIdx++)
{
- if(ueCb->dlInfo.dlLcCtxt[lcIdx].bo)
- {
- dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc].lcId = lcIdx;
-
- /* calculation for BO includse RLC and MAC header size */
- dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc].schBytes = \
- ueCb->dlInfo.dlLcCtxt[lcIdx].bo + RLC_HDR_SIZE + MAC_HDR_SIZE;
- accumalatedSize += dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc].schBytes;
- dlMsgAlloc->numLc++;
- }
- ueCb->dlInfo.dlLcCtxt[lcIdx].bo = 0;
+ if(ueCb->dlInfo.dlLcCtxt[lcIdx].bo)
+ {
+ dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc].lcId = lcIdx;
+
+ /* calculation for BO includse RLC and MAC header size */
+ dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc].schBytes = \
+ ueCb->dlInfo.dlLcCtxt[lcIdx].bo + MAC_HDR_SIZE;
+ accumalatedSize += dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc].schBytes;
+ dlMsgAlloc->numLc++;
+ }
+ ueCb->dlInfo.dlLcCtxt[lcIdx].bo = 0;
+ }
+
+ if (!dlMsgAlloc->numLc)
+ {
+ DU_LOG("\nDEBUG --> SCH : No pending BO for any LC id\n");
+ /* Free the dl ded msg info allocated in macSchDlRlcBoInfo */
+ SCH_FREE(dlMsgAlloc, sizeof(DlMsgAlloc));
+ dlSchedInfo->dlMsgAlloc = NULLP;
+ return ROK;
}
/* pdcch and pdsch data is filled */
- schDlRsrcAllocDlMsg(dlMsgAlloc, cell, crnti, accumalatedSize, slot);
+ if((schDlRsrcAllocDlMsg(cell, dlSchedInfo->schSlotValue.dlMsgTime, crnti, &accumalatedSize, dlMsgAlloc)) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : Scheduling of DL dedicated message failed");
+ /* Free the dl ded msg info allocated in macSchDlRlcBoInfo */
+ SCH_FREE(dlMsgAlloc, sizeof(DlMsgAlloc));
+ dlSchedInfo->dlMsgAlloc = NULLP;
+ return RFAILED;
+
+ }
+
+ /* TODO : Update the scheduling byte report for multiple LC based on QCI
+ * and Priority */
+ /* As of now, the total number of bytes scheduled for a slot is divided
+ * equally amongst all LC with pending data. This is avoid starving of any
+ * LC
+ * */
+ accumalatedSize = accumalatedSize/dlMsgAlloc->numLc;
+ for(lcIdx = 0; lcIdx < dlMsgAlloc->numLc; lcIdx ++)
+ dlMsgAlloc->lcSchInfo[lcIdx].schBytes = accumalatedSize;
/* PUCCH resource */
schAllocPucchResource(cell, dlMsgAlloc->crnti, slot);
- /* Free the dl ded msg info allocated in macSchDlRlcBoInfo */
- SCH_FREE(cell->schDlSlotInfo[dlSchedInfo->schSlotValue.dlMsgTime.slot]->dlMsgInfo, \
- sizeof(DlMsgInfo));
- cell->schDlSlotInfo[dlSchedInfo->schSlotValue.dlMsgTime.slot]->dlMsgInfo = NULL;
-
/* after allocation is done, unset the bo bit for that ue */
UNSET_ONE_BIT(ueIdx, cell->boIndBitMap);
}
* RFAILED - failure
*
* ****************************************************************/
-uint8_t schProcessSlotInd(SlotIndInfo *slotInd, Inst schInst)
+uint8_t schProcessSlotInd(SlotTimingInfo *slotInd, Inst schInst)
{
- uint8_t ret = ROK;
- uint8_t ssb_rep, ueIdx, lcgIdx;
- uint16_t slot, sfnSlot = 0;
+ uint8_t ueIdx, lcgIdx, ret = ROK;
+ uint16_t slot;
DlSchedInfo dlSchedInfo;
DlBrdcstAlloc *dlBrdcstAlloc = NULLP;
- RarAlloc *rarAlloc = NULLP;
DlMsgAlloc *msg4Alloc = NULLP;
DlMsgAlloc *dlMsgAlloc = NULLP;
SchCellCb *cell = NULLP;
memset(&dlSchedInfo,0,sizeof(DlSchedInfo));
+ dlSchedInfo.dlMsgAlloc = NULLP;
schCalcSlotValues(*slotInd, &dlSchedInfo.schSlotValue);
dlBrdcstAlloc = &dlSchedInfo.brdcstAlloc;
- dlBrdcstAlloc->ssbTrans = NO_SSB;
- dlBrdcstAlloc->sib1Trans = NO_SIB1;
+ dlBrdcstAlloc->ssbTrans = NO_TRANSMISSION;
+ dlBrdcstAlloc->sib1Trans = NO_TRANSMISSION;
cell = schCb[schInst].cells[schInst];
- ssb_rep = cell->cellCfg.ssbSchCfg.ssbPeriod;
- memcpy(&cell->slotInfo, slotInd, sizeof(SlotIndInfo));
- dlBrdcstAlloc->ssbIdxSupported = 1;
-
- sfnSlot = dlSchedInfo.schSlotValue.broadcastTime.sfn * cell->numSlots +
- dlSchedInfo.schSlotValue.broadcastTime.slot;
-
- slot = dlSchedInfo.schSlotValue.currentTime.slot;
-
- dlSchedInfo.cellId = cell->cellId;
-
- /* Identify SSB ocassion*/
- if (sfnSlot % SCH_MIB_TRANS == 0)
- {
- dlBrdcstAlloc->ssbTrans = SSB_TRANSMISSION;
- }
- else if (sfnSlot % ssb_rep == 0)
+ if(cell == NULLP)
{
- dlBrdcstAlloc->ssbTrans = SSB_REPEAT;
- }
- else
- {
- /* not SSB occassion */
+ DU_LOG("\nERROR --> SCH : Cell Does not exist");
+ return RFAILED;
}
+ memcpy(&cell->slotInfo, slotInd, sizeof(SlotTimingInfo));
+ dlBrdcstAlloc->ssbIdxSupported = SSB_IDX_SUPPORTED;
- /* Identify SIB1 occasions */
- if(sfnSlot % cell->cellCfg.sib1SchCfg.sib1NewTxPeriod == 0)
- {
- dlBrdcstAlloc->sib1Trans = SIB1_TRANSMISSION;
- }
- else if (sfnSlot % cell->cellCfg.sib1SchCfg.sib1RepetitionPeriod == 0)
- {
- dlBrdcstAlloc->sib1Trans = SIB1_REPITITION;
- }
- else
- {
- /* not SIB1 occassion */
- }
+ dlSchedInfo.cellId = cell->cellId;
+
+ slot = dlSchedInfo.schSlotValue.broadcastTime.slot;
- if(dlBrdcstAlloc->ssbTrans || dlBrdcstAlloc->sib1Trans)
+ /* Check for SSB occassion */
+ dlBrdcstAlloc->ssbTrans = schCheckSsbOcc(cell, dlSchedInfo.schSlotValue.broadcastTime);
+ if(dlBrdcstAlloc->ssbTrans)
{
- dlSchedInfo.isBroadcastPres = true;
- slot = dlSchedInfo.schSlotValue.broadcastTime.slot;
- ret = schBroadcastAlloc(cell,dlBrdcstAlloc,slot);
- if(ret != ROK)
+ if(schBroadcastSsbAlloc(cell, dlSchedInfo.schSlotValue.broadcastTime, dlBrdcstAlloc) != ROK)
{
- DU_LOG("\nschBroadcastAlloc failed");
- return (ret);
+ DU_LOG("\nERROR --> SCH : schBroadcastSsbAlloc failed");
+ dlBrdcstAlloc->ssbTrans = NO_TRANSMISSION;
+ }
+ else
+ {
+ dlSchedInfo.isBroadcastPres = true;
+ if((dlBrdcstAlloc->ssbTrans == NEW_TRANSMISSION) && (!cell->firstSsbTransmitted))
+ cell->firstSsbTransmitted = true;
}
}
- /* check for RAR */
- if(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.rarTime.slot]->rarInfo != NULLP)
+ /* Check for SIB1 occassion */
+ dlBrdcstAlloc->sib1Trans = schCheckSib1Occ(cell, dlSchedInfo.schSlotValue.broadcastTime);
+ if(dlBrdcstAlloc->sib1Trans)
{
- slot = dlSchedInfo.schSlotValue.rarTime.slot;
- SCH_ALLOC(rarAlloc, sizeof(RarAlloc));
- if(!rarAlloc)
+ if(schBroadcastSib1Alloc(cell, dlSchedInfo.schSlotValue.broadcastTime, dlBrdcstAlloc) != ROK)
{
- DU_LOG("\nMAC: Memory Allocation failed for RAR alloc");
- return RFAILED;
+ DU_LOG("\nERROR --> SCH : schBroadcastSib1Alloc failed");
+ dlBrdcstAlloc->sib1Trans = NO_TRANSMISSION;
}
+ else
+ {
+ dlSchedInfo.isBroadcastPres = true;
+ if((dlBrdcstAlloc->sib1Trans == NEW_TRANSMISSION) && (!cell->firstSib1Transmitted))
+ cell->firstSib1Transmitted = true;
+ }
+ }
- dlSchedInfo.rarAlloc = rarAlloc;
-
- /* RAR info is copied, this was earlier filled in schProcessRachInd */
- memcpy(&rarAlloc->rarInfo,cell->schDlSlotInfo[slot]->rarInfo, sizeof(RarInfo));
-
- /* pdcch and pdsch data is filled */
- schFillRar(rarAlloc,
- cell->schDlSlotInfo[slot]->rarInfo->raRnti,
- cell->cellCfg.phyCellId,
- cell->cellCfg.ssbSchCfg.ssbOffsetPointA);
+ /* Check for Pending RA Requests */
+ schProcessRaReq(*slotInd, cell);
- SCH_FREE(cell->schDlSlotInfo[slot]->rarInfo,sizeof(RarAlloc));
- cell->schDlSlotInfo[slot]->rarInfo = NULLP;
+ /* Check for RAR */
+ if(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.rarTime.slot]->rarAlloc != NULLP)
+ {
+ slot = dlSchedInfo.schSlotValue.rarTime.slot;
+ dlSchedInfo.rarAlloc = cell->schDlSlotInfo[slot]->rarAlloc;
+ cell->schDlSlotInfo[slot]->rarAlloc = NULLP;
}
- /* check for MSG4 */
+ /* Check for MSG4 */
if((cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo != NULLP) &&
(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo->isMsg4Pdu))
{
SCH_ALLOC(msg4Alloc, sizeof(DlMsgAlloc));
if(!msg4Alloc)
{
- DU_LOG("\nMAC: Memory Allocation failed for msg4 alloc");
- return RFAILED;
+ DU_LOG("\nERROR --> SCH : Memory Allocation failed for msg4 alloc");
+ return RFAILED;
}
dlSchedInfo.dlMsgAlloc = msg4Alloc;
sizeof(DlMsgInfo));
/* pdcch and pdsch data is filled */
- schDlRsrcAllocMsg4(msg4Alloc, cell, dlSchedInfo.schSlotValue.dlMsgTime.slot);
+ if((schDlRsrcAllocMsg4(cell, dlSchedInfo.schSlotValue.dlMsgTime, msg4Alloc)) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : MSG4 scheduling failed");
+ SCH_FREE(msg4Alloc, sizeof(DlMsgAlloc));
+ dlSchedInfo.dlMsgAlloc = NULLP;
+ SCH_FREE(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo, sizeof(DlMsgInfo));
+ return RFAILED;
+ }
/* PUCCH resource */
schAllocPucchResource(cell, msg4Alloc->dlMsgInfo.crnti, dlSchedInfo.schSlotValue.dlMsgTime.slot);
SCH_FREE(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo, sizeof(DlMsgInfo));
- cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo = NULL;
}
- /* check if UL grant must be sent in this slot for a SR/BSR that had been received */
+
+ /* Check if UL grant must be sent in this slot for a SR/BSR that had been received */
for(ueIdx=0; ueIdx<cell->numActvUe; ueIdx++)
{
uint32_t totDataReq = 0; /* in bytes */
for(lcgIdx=0; lcgIdx<MAX_NUM_LOGICAL_CHANNEL_GROUPS; lcgIdx++)
{
totDataReq+= ueCb->bsrInfo[lcgIdx].dataVol;
- ueCb->bsrInfo[lcgIdx].dataVol = 0;
+ ueCb->bsrInfo[lcgIdx].dataVol = 0;
}
if(totDataReq > 0) /* UL grant must be provided for this UE in this slot */
{
SchPuschInfo schPuschInfo;
memset(&schPuschInfo, 0, sizeof(SchPuschInfo));
- SCH_ALLOC(dciInfo, sizeof(DciInfo));
- if(!dciInfo)
- {
- DU_LOG("\nMAC: Memory Allocation failed for dciInfo alloc");
- return RFAILED;
- }
- memset(dciInfo,0,sizeof(DciInfo));
- /* update the SFN and SLOT */
- memcpy(&dlSchedInfo.schSlotValue.ulDciTime, slotInd, sizeof(SlotIndInfo));
- slot = dlSchedInfo.schSlotValue.ulDciTime.slot;
- /* Update PUSCH allocation */
- schFillPuschAlloc(ueCb, slot, totDataReq, &schPuschInfo);
- /* Fill DCI for UL grant */
- schFillUlDci(ueCb, schPuschInfo, dciInfo);
- memcpy(&dciInfo->slotIndInfo, &dlSchedInfo.schSlotValue.ulDciTime, sizeof(SlotIndInfo));
+ SCH_ALLOC(dciInfo, sizeof(DciInfo));
+ if(!dciInfo)
+ {
+ DU_LOG("\nERROR --> SCH : Memory Allocation failed for dciInfo alloc");
+ return RFAILED;
+ }
+ memset(dciInfo,0,sizeof(DciInfo));
+ /* update the SFN and SLOT */
+ memcpy(&dlSchedInfo.schSlotValue.ulDciTime, slotInd, sizeof(SlotTimingInfo));
+ slot = dlSchedInfo.schSlotValue.ulDciTime.slot;
+ /* Update PUSCH allocation */
+ schFillPuschAlloc(ueCb, slot, totDataReq, &schPuschInfo);
+ /* Fill DCI for UL grant */
+ schFillUlDci(ueCb, schPuschInfo, dciInfo);
+ memcpy(&dciInfo->slotIndInfo, &dlSchedInfo.schSlotValue.ulDciTime, sizeof(SlotTimingInfo));
dlSchedInfo.ulGrant = dciInfo;
}
}
if((cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo != NULLP) &&
(!cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo->isMsg4Pdu))
{
- schFillBoGrantDlSchedInfo(cell, &dlSchedInfo, dlMsgAlloc);
+ if((schFillBoGrantDlSchedInfo(cell, &dlSchedInfo, dlMsgAlloc)) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : DL MSG scheduling failed");
+ SCH_FREE(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo, sizeof(DlMsgInfo));
+ return RFAILED;
+ }
+
+ /* Free the dl ded msg info allocated in macSchDlRlcBoInfo */
+ SCH_FREE(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo, sizeof(DlMsgInfo));
}
- /* send msg to MAC */
+ /* Send msg to MAC */
ret = sendDlAllocToMac(&dlSchedInfo, schInst);
if(ret != ROK)
{
- DU_LOG("\nSending DL Broadcast allocation from SCH to MAC failed");
+ DU_LOG("\nERROR --> SCH : Sending DL Broadcast allocation from SCH to MAC failed");
return (ret);
}
Code Review / o-du / l2.git / blobdiff