[JIRA ID: ODUHIGH-232]: RB config for MAC and SCH
[o-du/l2.git] / src / 5gnrsch / sch_slot_ind.c
index 3f4b7e8..9864701 100644 (file)
@@ -31,29 +31,9 @@ File:     sch_slot_ind.c
 /** @file sch_slot_ind.c
   @brief This module processes slot indications
  */
-#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"
@@ -61,18 +41,17 @@ File:     sch_slot_ind.c
 #include "mac_sch_interface.h"
 #include "sch.h"
 #include "sch_utils.h"
-#include "common_def.h"
 
 SchMacDlAllocFunc schMacDlAllocOpts[] =
 {
-       packSchMacDlAlloc,
-       MacProcDlAlloc,
-       packSchMacDlAlloc
+   packSchMacDlAlloc,
+   MacProcDlAlloc,
+   packSchMacDlAlloc
 };
 
 extern SchCb schCb[SCH_MAX_INST];
 extern int schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t
-offsetPointA);
+      offsetPointA);
 
 /*******************************************************************
  *
@@ -90,15 +69,15 @@ offsetPointA);
  *         RFAILED - failure
  *
  * ****************************************************************/
-int sendDlAllocToMac(DlSchedInfo *dlSchedInfo, Inst inst)
+uint8_t sendDlAllocToMac(DlSchedInfo *dlSchedInfo, Inst inst)
 {
-       Pst pst;
+   Pst pst;
 
    memset(&pst, 0, sizeof(Pst));
-   SCH_FILL_RSP_PST(pst, inst);
-       pst.event = EVENT_DL_ALLOC;
+   FILL_PST_SCH_TO_MAC(pst, inst);
+   pst.event = EVENT_DL_ALLOC;
 
-       return(*schMacDlAllocOpts[pst.selector])(&pst, dlSchedInfo);
+   return(*schMacDlAllocOpts[pst.selector])(&pst, dlSchedInfo);
 
 }
 
@@ -134,11 +113,92 @@ void schCalcSlotValues(SlotIndInfo slotInd, SchSlotValue *schSlotValue)
     *        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);
+   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);
+}
+
+/*******************************************************************
+ *
+ * @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;
+   uint16_t accumalatedSize = 0;
+   SchUeCb *ueCb = NULLP;
+
+   while(cell->boIndBitMap)
+   {
+      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("\nMAC: 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 + RLC_HDR_SIZE + MAC_HDR_SIZE;
+           accumalatedSize += dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc].schBytes;
+           dlMsgAlloc->numLc++;
+        }
+        ueCb->dlInfo.dlLcCtxt[lcIdx].bo = 0;
+      }
+
+      /* pdcch and pdsch data is filled */
+      schDlRsrcAllocDlMsg(dlMsgAlloc, cell, crnti, accumalatedSize, slot);
+
+      /* 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);
+   }
+
+   return ROK;
 }
 
 /*******************************************************************
@@ -159,139 +219,192 @@ void schCalcSlotValues(SlotIndInfo slotInd, SchSlotValue *schSlotValue)
  * ****************************************************************/
 uint8_t schProcessSlotInd(SlotIndInfo *slotInd, Inst schInst)
 {
-   int ret = ROK;
-       uint8_t ssb_rep;
-       uint16_t slot, sfnSlot = 0;
-       DlSchedInfo dlSchedInfo;
-       memset(&dlSchedInfo,0,sizeof(DlSchedInfo));
-   DlBrdcstAlloc *dlBrdcstAlloc = &dlSchedInfo.brdcstAlloc;
-       RarAlloc  *rarAlloc;
-   Msg4Alloc *msg4Alloc;
-       dlBrdcstAlloc->ssbTrans = NO_SSB;
-   dlBrdcstAlloc->sib1Trans = NO_SIB1;
-       
-       SchCellCb *cell = schCb[schInst].cells[schInst];
-
+   uint8_t  ret = ROK;
+   uint8_t  ssb_rep, ueIdx, lcgIdx;
+   uint16_t slot, sfnSlot = 0;
+   DlSchedInfo dlSchedInfo;
+   DlBrdcstAlloc *dlBrdcstAlloc = NULLP;
+   RarAlloc   *rarAlloc = NULLP;
+   DlMsgAlloc  *msg4Alloc = NULLP;
+   DlMsgAlloc *dlMsgAlloc = NULLP;
+   SchCellCb  *cell = NULLP;
+
+   memset(&dlSchedInfo,0,sizeof(DlSchedInfo));
    schCalcSlotValues(*slotInd, &dlSchedInfo.schSlotValue);
+   dlBrdcstAlloc = &dlSchedInfo.brdcstAlloc;
+   dlBrdcstAlloc->ssbTrans = NO_SSB;
+   dlBrdcstAlloc->sib1Trans = NO_SIB1;
 
-       ssb_rep = cell->cellCfg.ssbSchCfg.ssbPeriod;
-       memcpy(&cell->slotInfo, slotInd, sizeof(SlotIndInfo));
-       dlBrdcstAlloc->ssbIdxSupported = 1;
+   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 * 10) +
-                   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)
-       {
-               dlBrdcstAlloc->ssbTrans = SSB_REPEAT;
-       }
-       else
-       {
-          /* not SSB occassion */
-       }
+        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)
+   {
+      dlBrdcstAlloc->ssbTrans = SSB_REPEAT;
+   }
+   else
+   {
+      /* not SSB occassion */
+   }
 
    /* 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 */
-       }
-
-       if(dlBrdcstAlloc->ssbTrans || dlBrdcstAlloc->sib1Trans)
-       {
-          dlSchedInfo.isBroadcastPres = true;
-               slot = dlSchedInfo.schSlotValue.broadcastTime.slot;
-          ret = schBroadcastAlloc(cell,dlBrdcstAlloc,slot);
+   {
+      dlBrdcstAlloc->sib1Trans = SIB1_TRANSMISSION;
+   }
+   else if (sfnSlot % cell->cellCfg.sib1SchCfg.sib1RepetitionPeriod == 0)
+   {
+      dlBrdcstAlloc->sib1Trans = SIB1_REPITITION;
+   }
+   else
+   {
+      /* not SIB1 occassion */
+   }
+
+   if(dlBrdcstAlloc->ssbTrans || dlBrdcstAlloc->sib1Trans)
+   {
+      dlSchedInfo.isBroadcastPres = true;
+      slot = dlSchedInfo.schSlotValue.broadcastTime.slot;
+      ret = schBroadcastAlloc(cell,dlBrdcstAlloc,slot);
       if(ret != ROK)
       {
-         DU_LOG("\nschBroadcastAlloc failed");
-         RETVALUE(ret);
+        DU_LOG("\nschBroadcastAlloc failed");
+        return (ret);
       }
    }
 
    /* check for RAR */
-       if(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.rarTime.slot]->rarInfo != NULLP)
-       {
-          slot = dlSchedInfo.schSlotValue.rarTime.slot;
+   if(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.rarTime.slot]->rarInfo != NULLP)
+   {
+      slot = dlSchedInfo.schSlotValue.rarTime.slot;
       SCH_ALLOC(rarAlloc, sizeof(RarAlloc));
       if(!rarAlloc)
       {
-                  DU_LOG("\nMAC: Memory Allocation failed for RAR alloc");
-                  return RFAILED;
+        DU_LOG("\nMAC: Memory Allocation failed for RAR alloc");
+        return RFAILED;
       }
-                
+
       dlSchedInfo.rarAlloc = rarAlloc;
 
-          /* RAR info is copied, this was earlier filled in schProcessRachInd */
+      /* 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);
+      /* 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;
+      cell->schDlSlotInfo[slot]->rarInfo = 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));
-                if(!msg4Alloc)
-                {
-                   DU_LOG("\nMAC: Memory Allocation failed for msg4 alloc");
-                        return RFAILED;
-                }
-                
-                dlSchedInfo.msg4Alloc = msg4Alloc;
-
-       /* Msg4 info is copied, this was earlier filled in macSchDlRlcBoInfo */
-       memcpy(&msg4Alloc->msg4Info, cell->schDlSlotInfo[slot]->msg4Info, \
-          sizeof(Msg4Info));
-             
-       /* pdcch and pdsch data is filled */
-       schDlRsrcAllocMsg4(msg4Alloc, cell, dlSchedInfo.schSlotValue.msg4Time.slot); 
-
-                /* PUCCH resource */
-       schAllocPucchResource(cell, msg4Alloc->msg4Info.crnti, dlSchedInfo.schSlotValue.msg4Time.slot);
-
-                SCH_FREE(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.msg4Time.slot]->msg4Info, sizeof(Msg4Info));
-                cell->schDlSlotInfo[dlSchedInfo.schSlotValue.msg4Time.slot]->msg4Info = NULL;
+      slot = dlSchedInfo.schSlotValue.dlMsgTime.slot;
+
+      SCH_ALLOC(msg4Alloc, sizeof(DlMsgAlloc));
+      if(!msg4Alloc)
+      {
+        DU_LOG("\nMAC: Memory Allocation failed for msg4 alloc");
+        return RFAILED;
+      }
+
+      dlSchedInfo.dlMsgAlloc = msg4Alloc;
+
+      /* Msg4 info is copied, this was earlier filled in macSchDlRlcBoInfo */
+      memcpy(&msg4Alloc->dlMsgInfo, cell->schDlSlotInfo[slot]->dlMsgInfo, \
+           sizeof(DlMsgInfo));
+
+      /* pdcch and pdsch data is filled */
+      schDlRsrcAllocMsg4(msg4Alloc, cell, dlSchedInfo.schSlotValue.dlMsgTime.slot); 
+
+      /* 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 */
+   for(ueIdx=0; ueIdx<cell->numActvUe; ueIdx++)
+   {
+      uint32_t totDataReq = 0; /* in bytes */
+      DciInfo  *dciInfo = NULLP;
+      SchUeCb *ueCb = NULLP;
+   
+      ueCb = &cell->ueCb[ueIdx];
+      /* check for SR */
+      if(ueCb->srRcvd)
+      {
+         totDataReq = UL_GRANT_SIZE; /*fixing so that all control msgs can be handled in SR */
+         ueCb->srRcvd = false;
+      }
+      /* check for BSR */
+      for(lcgIdx=0; lcgIdx<MAX_NUM_LOGICAL_CHANNEL_GROUPS; lcgIdx++)
+      {
+        totDataReq+= ueCb->bsrInfo[lcgIdx].dataVol;
+       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));
+         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 */
+   /* send msg to MAC */
    ret = sendDlAllocToMac(&dlSchedInfo, schInst);
    if(ret != ROK)
    {
       DU_LOG("\nSending DL Broadcast allocation from SCH to MAC failed");
-      RETVALUE(ret);
+      return (ret);
    }
-    
-       schUlResAlloc(cell, schInst);
 
-       memset(cell->schDlSlotInfo[slot], 0, sizeof(SchDlSlotInfo));
+   schInitDlSlot(cell->schDlSlotInfo[slot]);
+   schUlResAlloc(cell, schInst);
+
 
-       return ret;
+   return ret;
 }
 
 /**********************************************************************