packSchMacDlAlloc
};
-extern SchCb schCb[SCH_MAX_INST];
-extern int schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t
- offsetPointA);
+SchCb schCb[SCH_MAX_INST];
/*******************************************************************
*
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->msg4Time,PHY_DELTA+SCHED_DELTA);
- ADD_DELTA_TO_TIME(slotInd,schSlotValue->dlMsgTime,PHY_DELTA+SCHED_DELTA+BO_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 Handles slot indication at SCH
+ * @brief Checks if a slot is to be scheduled for SSB transmission
*
* @details
*
- * Function : schProcessSlotInd
+ * Function : schCheckSsbOcc
*
* Functionality:
- * Handles TTI indication received from PHY
+ * Checks if a slot is to be scheduled for SSB transmission
*
- * @params[in]
- * @return ROK - success
- * RFAILED - failure
+ * @params[in] SlotTimingInfo slotTime
+ * SchCellCb *cell
+ * @return Pdu transmission
*
* ****************************************************************/
-uint8_t schProcessSlotInd(SlotIndInfo *slotInd, Inst schInst)
+PduTxOccsaion schCheckSsbOcc(SlotTimingInfo slotTime, SchCellCb *cell)
{
- int ret = ROK;
- uint8_t ssb_rep, ueIdx, lcgIdx;
- uint16_t slot, sfnSlot = 0;
- DlSchedInfo dlSchedInfo;
- memset(&dlSchedInfo,0,sizeof(DlSchedInfo));
- DlBrdcstAlloc *dlBrdcstAlloc = &dlSchedInfo.brdcstAlloc;
- RarAlloc *rarAlloc = NULLP;
- Msg4Alloc *msg4Alloc = NULLP;
- dlBrdcstAlloc->ssbTrans = NO_SSB;
- dlBrdcstAlloc->sib1Trans = NO_SIB1;
-
- SchCellCb *cell = schCb[schInst].cells[schInst];
-
- schCalcSlotValues(*slotInd, &dlSchedInfo.schSlotValue);
+ uint8_t ssb_rep;
ssb_rep = cell->cellCfg.ssbSchCfg.ssbPeriod;
- memcpy(&cell->slotInfo, slotInd, sizeof(SlotIndInfo));
- dlBrdcstAlloc->ssbIdxSupported = 1;
-
- sfnSlot = ((dlSchedInfo.schSlotValue.broadcastTime.sfn * 10) +
- dlSchedInfo.schSlotValue.broadcastTime.slot);
-
- slot = dlSchedInfo.schSlotValue.currentTime.slot;
-
- dlSchedInfo.cellId = cell->cellId;
/* Identify SSB ocassion*/
- if (sfnSlot % SCH_MIB_TRANS == 0)
+ if ((slotTime.sfn % SCH_MIB_TRANS == 0) && (slotTime.slot ==0))
{
- dlBrdcstAlloc->ssbTrans = SSB_TRANSMISSION;
+ return NEW_TRANSMISSION;
}
- else if (sfnSlot % ssb_rep == 0)
+ else if(cell->firstSsbTransmitted)
{
- dlBrdcstAlloc->ssbTrans = SSB_REPEAT;
- }
- else
- {
- /* not SSB occassion */
+ 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(SlotTimingInfo slotTime, SchCellCb *cell)
+{
/* Identify SIB1 occasions */
- if(sfnSlot % cell->cellCfg.sib1SchCfg.sib1NewTxPeriod == 0)
+ if((slotTime.sfn % SCH_SIB1_TRANS == 0) && (slotTime.slot ==0))
{
- dlBrdcstAlloc->sib1Trans = SIB1_TRANSMISSION;
+ return NEW_TRANSMISSION;
+ }
+ else if(cell->firstSib1Transmitted)
+ {
+ if((slotTime.sfn % (cell->cellCfg.sib1SchCfg.sib1RepetitionPeriod/10) == 0) &&
+ (slotTime.slot == 0))
+ {
+ return REPEATITION;
+ }
}
- else if (sfnSlot % cell->cellCfg.sib1SchCfg.sib1RepetitionPeriod == 0)
+ /* not SIB1 occassion */
+ return NO_TRANSMISSION;
+}
+
+/*******************************************************************
+ *
+ * @brief
+ *
+ * @details
+ *
+ * Function :
+ *
+ * Functionality:
+
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t schFillBoGrantDlSchedInfo(SchCellCb *cell, DlSchedInfo *dlSchedInfo, DlMsgAlloc *dlMsgAlloc)
+{
+ uint8_t ueIdx, lcIdx;
+ uint16_t slot;
+ uint16_t crnti = 0;
+ uint32_t accumalatedSize = 0;
+ SchUeCb *ueCb = NULLP;
+
+ while(cell->boIndBitMap)
{
- dlBrdcstAlloc->sib1Trans = SIB1_REPITITION;
+ slot = dlSchedInfo->schSlotValue.dlMsgTime.slot;
+
+ GET_RIGHT_MOST_SET_BIT(cell->boIndBitMap, ueIdx);
+ GET_CRNTI(crnti,ueIdx);
+ ueCb = &cell->ueCb[ueIdx-1];
+
+ /* allocate PDCCH and PDSCH resources for the ue */
+ SCH_ALLOC(dlMsgAlloc, sizeof(DlMsgAlloc));
+ if(!dlMsgAlloc)
+ {
+ DU_LOG("\nERROR --> SCH : Memory Allocation failed for ded DL msg alloc");
+ return RFAILED;
+ }
+ memset(dlMsgAlloc, 0, sizeof(DlMsgAlloc));
+ dlSchedInfo->dlMsgAlloc = dlMsgAlloc;
+ dlMsgAlloc->crnti = crnti;
+
+ /* Dl ded Msg info is copied, this was earlier filled in macSchDlRlcBoInfo */
+ memcpy(&dlMsgAlloc->dlMsgInfo, cell->schDlSlotInfo[slot]->dlMsgInfo, \
+ sizeof(DlMsgInfo));
+
+ /* scheduled LC data fill */
+ 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 + 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 bo for any lcid\n");
+ return ROK;
+ }
+
+ /* pdcch and pdsch data is filled */
+ schDlRsrcAllocDlMsg(dlMsgAlloc, cell, crnti, &accumalatedSize, slot);
+ /* Calculated TB size could be less than the total size requested.
+ * Hence, updated the scheduled bytes report. Following is valid only for
+ * one LC.
+ * TODO : Update the scheduling byte report for multiple LC based on QCI
+ * and Priority */
+ dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc -1].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);
}
- else
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Handles slot indication at SCH
+ *
+ * @details
+ *
+ * Function : schProcessSlotInd
+ *
+ * Functionality:
+ * Handles TTI indication received from PHY
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t schProcessSlotInd(SlotTimingInfo *slotInd, Inst schInst)
+{
+ uint8_t ueIdx, lcgIdx, ret = ROK;
+ uint16_t slot;
+ DlSchedInfo dlSchedInfo;
+ DlBrdcstAlloc *dlBrdcstAlloc = 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_TRANSMISSION;
+ dlBrdcstAlloc->sib1Trans = NO_TRANSMISSION;
+
+ cell = schCb[schInst].cells[schInst];
+ if(cell == NULLP)
{
- /* not SIB1 occassion */
+ DU_LOG("\nERROR --> SCH : Cell Does not exist");
+ return RFAILED;
}
+ memcpy(&cell->slotInfo, slotInd, sizeof(SlotTimingInfo));
+ dlBrdcstAlloc->ssbIdxSupported = SSB_IDX_SUPPORTED;
+
+ slot = dlSchedInfo.schSlotValue.currentTime.slot;
+
+ dlSchedInfo.cellId = cell->cellId;
+
+ /* Check if this slot is SSB occassion */
+ dlBrdcstAlloc->ssbTrans = schCheckSsbOcc(dlSchedInfo.schSlotValue.broadcastTime, cell);
+ if((dlBrdcstAlloc->ssbTrans == NEW_TRANSMISSION) && (!cell->firstSsbTransmitted))
+ cell->firstSsbTransmitted = true;
+
+ /* Check if this slot is SIB1 occassion */
+ dlBrdcstAlloc->sib1Trans = schCheckSib1Occ(dlSchedInfo.schSlotValue.broadcastTime, cell);
+ if((dlBrdcstAlloc->sib1Trans == NEW_TRANSMISSION) && (!cell->firstSib1Transmitted))
+ cell->firstSib1Transmitted = true;
if(dlBrdcstAlloc->ssbTrans || dlBrdcstAlloc->sib1Trans)
{
ret = schBroadcastAlloc(cell,dlBrdcstAlloc,slot);
if(ret != ROK)
{
- DU_LOG("\nschBroadcastAlloc failed");
- return (ret);
+ DU_LOG("\nERROR --> SCH : schBroadcastAlloc failed");
+ return ret;
}
}
+ /* Check for Pending RA Requests */
+ schProcessRaReq(*slotInd, cell);
+
/* check for RAR */
- if(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.rarTime.slot]->rarInfo != NULLP)
+ if(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.rarTime.slot]->rarAlloc != NULLP)
{
slot = dlSchedInfo.schSlotValue.rarTime.slot;
- SCH_ALLOC(rarAlloc, sizeof(RarAlloc));
- if(!rarAlloc)
- {
- DU_LOG("\nMAC: Memory Allocation failed for RAR alloc");
- return RFAILED;
- }
-
- 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);
-
- SCH_FREE(cell->schDlSlotInfo[slot]->rarInfo,sizeof(RarAlloc));
- cell->schDlSlotInfo[slot]->rarInfo = NULLP;
+ dlSchedInfo.rarAlloc = cell->schDlSlotInfo[slot]->rarAlloc;
+ cell->schDlSlotInfo[slot]->rarAlloc = NULLP;
}
/* check for MSG4 */
- if(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.msg4Time.slot]->msg4Info != NULLP)
+ if((cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo != NULLP) &&
+ (cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo->isMsg4Pdu))
{
- slot = dlSchedInfo.schSlotValue.msg4Time.slot;
- SCH_ALLOC(msg4Alloc, sizeof(Msg4Alloc));
+ slot = dlSchedInfo.schSlotValue.dlMsgTime.slot;
+
+ 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.msg4Alloc = msg4Alloc;
+ dlSchedInfo.dlMsgAlloc = msg4Alloc;
/* Msg4 info is copied, this was earlier filled in macSchDlRlcBoInfo */
- memcpy(&msg4Alloc->msg4Info, cell->schDlSlotInfo[slot]->msg4Info, \
- sizeof(Msg4Info));
+ memcpy(&msg4Alloc->dlMsgInfo, cell->schDlSlotInfo[slot]->dlMsgInfo, \
+ sizeof(DlMsgInfo));
/* pdcch and pdsch data is filled */
- schDlRsrcAllocMsg4(msg4Alloc, cell, dlSchedInfo.schSlotValue.msg4Time.slot);
+ schDlRsrcAllocMsg4(msg4Alloc, cell, dlSchedInfo.schSlotValue.dlMsgTime.slot, dlBrdcstAlloc->ssbTrans, dlBrdcstAlloc->sib1Trans);
/* PUCCH resource */
- schAllocPucchResource(cell, msg4Alloc->msg4Info.crnti, dlSchedInfo.schSlotValue.msg4Time.slot);
+ schAllocPucchResource(cell, msg4Alloc->dlMsgInfo.crnti, dlSchedInfo.schSlotValue.dlMsgTime.slot);
- SCH_FREE(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.msg4Time.slot]->msg4Info, sizeof(Msg4Info));
- cell->schDlSlotInfo[dlSchedInfo.schSlotValue.msg4Time.slot]->msg4Info = NULL;
+ 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 */
for(ueIdx=0; ueIdx<cell->numActvUe; ueIdx++)
{
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;
}
}
+ /* Check for pending BO grant for LC */
+ if((cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo != NULLP) &&
+ (!cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo->isMsg4Pdu))
+ {
+ schFillBoGrantDlSchedInfo(cell, &dlSchedInfo, dlMsgAlloc);
+ }
+
/* 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