<[Epic-ID: ODUHIGH-406][Task-ID: ODUHIGH-421]Paging Message: CU_STUB Trigger and...
[o-du/l2.git] / src / du_app / du_cell_mgr.c
index 02a47f0..d40755b 100644 (file)
 #include "du_mgr.h"
 #include "du_utils.h"
 #include "du_cell_mgr.h"
+#include "PCCH-Config.h"
+
 #ifdef O1_ENABLE
-#include "GlobalDefs.h"
+
 #include "AlarmInterface.h"
-  
+#include "CmInterface.h"
+
 #endif
 
+DuMacCellDeleteReq packMacCellDeleteReqOpts[] =
+{
+   packDuMacCellDeleteReq,       /* Loose coupling */
+   MacProcCellDeleteReq,         /* TIght coupling */
+   packDuMacCellDeleteReq        /* Light weight-loose coupling */
+};
+
 /*******************************************************************
  *
  * @brief Processes cells to be activated
@@ -79,13 +88,15 @@ uint8_t duProcCellsToBeActivated(uint8_t *plmnStr, uint16_t nci, uint16_t nRPci)
    cellCb->cellStatus = ACTIVATION_IN_PROGRESS; 
    cellCb->cellInfo.nrPci = nRPci;
 
-   duCb.actvCellLst[duCb.numActvCells++] = cellCb;
+   duCb.actvCellLst[cellCb->cellId -1] = cellCb;
+   duCb.numActvCells++;
 
    if(duBuildAndSendMacCellCfg(cellCb->cellId) != ROK)
    {
       DU_LOG("\nERROR  -->  DU APP : macCellCfg build and send failed");
       /* Delete cell from actvCellList */
-      duCb.actvCellLst[--(duCb.numActvCells)] = NULLP;
+      duCb.actvCellLst[cellCb->cellId -1] = NULLP;
+      --(duCb.numActvCells);
       ret = RFAILED;
    }
    return ret;
@@ -112,25 +123,6 @@ void duProcF1SetupRsp()
    duCb.f1Status = TRUE; //Set F1 status as true
 }
 
-/*******************************************************************
- *
- * @brief Handles GNB DU Cfg Update Ack received in F1AP
- *
- * @details
- *
- *    Function : duProcGnbDuCfgUpdAckMsg
- *
- *    Functionality:
- *      - Handles GNB DU Cfg Update Ack received in F1AP
- *
- * @params[in] Pointer to F1GnbDuCfgUpdAck
- * @return void
- *  
- ******************************************************************/
-void duProcGnbDuCfgUpdAckMsg()
-{
-   DU_LOG("\nINFO   -->  DU APP: GNB-DU config update Ack received ");
-}
 /*******************************************************************
 *
 * @brief Returns cellCb based on cell ID
@@ -149,11 +141,14 @@ void duProcGnbDuCfgUpdAckMsg()
 uint8_t duGetCellCb(uint16_t cellId, DuCellCb **cellCb)
 {
    uint8_t cellIdx = 0;
-   for(cellIdx=0; cellIdx<duCb.numActvCells; cellIdx++)
+
+   for(cellIdx=0; cellIdx < MAX_NUM_CELL; cellIdx++)
    {
-      if(duCb.actvCellLst[cellIdx]->cellId == cellId)
+      if(duCb.actvCellLst[cellIdx] && (duCb.actvCellLst[cellIdx]->cellId == cellId))
+      {
          *cellCb = duCb.actvCellLst[cellIdx];
-        break;
+             break;
+      }
    }
 
    if(!*cellCb)
@@ -165,6 +160,52 @@ uint8_t duGetCellCb(uint16_t cellId, DuCellCb **cellCb)
    return ROK;
 }
 
+/*****************************************************************
+* @brief Handles slot indication from MAC
+*
+* @details
+*
+*   Function : duHandleSlotInd
+*
+*   Functionality:
+*       Handles  slot indication from MAC
+* 
+*  @params[in] Post structure pointer
+*              SlotTimingInfo *slotIndInfo
+*  @return ROK     - success
+*          RFAILED - failure
+* 
+* 
+*****************************************************************/
+uint8_t duHandleSlotInd(Pst *pst, SlotTimingInfo *slotIndInfo)
+{
+   uint8_t cellIdx = 0, ret = ROK;
+   DuCellCb *duCellCb;
+
+   if(slotIndInfo)
+   {
+      GET_CELL_IDX(slotIndInfo->cellId, cellIdx);
+      duCellCb = duCb.actvCellLst[cellIdx];
+
+      if(duCellCb)
+      {
+         duCellCb->currSlotInfo.sfn = slotIndInfo->sfn;
+         duCellCb->currSlotInfo.slot = slotIndInfo->slot;
+      }
+      else
+      {
+         DU_LOG("\nERROR  -->  DU APP : CellId[%d] doesnot exist", slotIndInfo->cellId);
+         ret = RFAILED;
+      }
+      DU_FREE_SHRABL_BUF(pst->region, pst->pool, slotIndInfo, sizeof(SlotTimingInfo));
+   }
+   else
+   {
+      DU_LOG("\nERROR  -->  DU APP : Recevied null pointer from MAC");
+      ret = RFAILED;
+   }
+   return(ret);
+}
 /*******************************************************************
  *
  * @brief Handles cell up indication from MAC
@@ -184,7 +225,7 @@ uint8_t duGetCellCb(uint16_t cellId, DuCellCb **cellCb)
  * ****************************************************************/
 uint8_t duHandleCellUpInd(Pst *pst, OduCellId *cellId)
 {
-   DuCellCb *cellCb = NULLP;
+   DuCellCb *cellCb = NULLP; 
 
    if(cellId->cellId <=0 || cellId->cellId > MAX_NUM_CELL)
    {
@@ -199,11 +240,16 @@ uint8_t duHandleCellUpInd(Pst *pst, OduCellId *cellId)
    {
       DU_LOG("\nINFO   -->  DU APP : 5G-NR Cell %d is UP", cellId->cellId);
       cellCb->cellStatus = ACTIVATED;
+      gCellStatus = CELL_UP;
 
+      if(duCfgParam.tempSliceCfg.rrmPolicy)
+         BuildAndSendSliceConfigReq(duCfgParam.tempSliceCfg.rrmPolicy, duCfgParam.tempSliceCfg.totalRrmPolicy, duCfgParam.tempSliceCfg.totalSliceCount);
 #ifdef O1_ENABLE
       DU_LOG("\nINFO   -->  DU APP : Raise cell UP alarm for cell id=%d", cellId->cellId);
       raiseCellAlrm(CELL_UP_ALARM_ID, cellId->cellId);
+      setCellOpState(cellId->cellId, ENABLED, ACTIVE);
 #endif
+
    }
 
    if((pst->selector == ODU_SELECTOR_LWLC) || (pst->selector == ODU_SELECTOR_TC))
@@ -211,6 +257,317 @@ uint8_t duHandleCellUpInd(Pst *pst, OduCellId *cellId)
    return ROK;
 }
 
+/*******************************************************************
+ *
+ * @brief Handle Cell delete response from MAC
+ *
+ * @details
+ *
+ *    Function : DuProcMacCellDeleteRsp
+ *
+ *    Functionality: Handle Cell delete response from MAC
+ *
+ * @params[in] Pointer to MacCellDeleteRsp and Pst
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t DuProcMacCellDeleteRsp(Pst *pst, MacCellDeleteRsp *deleteRsp)
+{
+   uint8_t ret = ROK;
+   uint16_t cellIdx=0;
+   
+   if(deleteRsp)
+   {
+      if(deleteRsp->result == SUCCESSFUL_RSP)
+      {
+         GET_CELL_IDX(deleteRsp->cellId, cellIdx);
+         DU_LOG("\nINFO   -->  DU APP : MAC CELL Delete Response : SUCCESS [CELL IDX : %d]", deleteRsp->cellId);
+         if(duCb.actvCellLst[cellIdx] && (duCb.actvCellLst[cellIdx]->cellId == deleteRsp->cellId))
+         {
+            memset(duCb.actvCellLst[cellIdx], 0, sizeof(DuCellCb));
+            gCellStatus = CELL_DOWN;
+
+#ifdef O1_ENABLE
+            DU_LOG("\nINFO   -->  DU APP : Raise cell down alarm for cell id=%d", deleteRsp->cellId);
+            raiseCellAlrm(CELL_DOWN_ALARM_ID, deleteRsp->cellId);
+            setCellOpState(deleteRsp->cellId, DISABLED, INACTIVE);
+#endif
+
+            duCb.numActvCells--;
+            duCb.numCfgCells--;
+            DU_FREE(duCb.actvCellLst[cellIdx], sizeof(DuCellCb));
+
+         }
+         else
+         {
+            DU_LOG("\nERROR  -->  DU APP : DuProcMacCellDeleteRsp(): CellId [%d] doesnot exist", deleteRsp->cellId);
+            ret = RFAILED;
+         }
+      }
+      else
+      {
+         DU_LOG("\nERROR  -->  DU APP : DuProcMacCellDeleteRsp(): MAC CELL Delete Response : FAILED\
+         [CELL IDX : %d]", deleteRsp->cellId);
+         ret = RFAILED;
+      }
+      DU_FREE_SHRABL_BUF(pst->region, pst->pool, deleteRsp, sizeof(MacCellDeleteRsp));
+   }
+   else
+   {
+      DU_LOG("\nERROR  -->  DU APP : DuProcMacCellDeleteRsp(): Received MAC cell delete response is NULL");
+      ret = RFAILED;
+   }
+   return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Sending Cell Delete Req To Mac
+ *
+ * @details
+ *
+ *    Function : sendCellDeleteReqToMac
+ *
+ *    Functionality:
+ *     sending Cell Delete Req To Mac
+ *
+ *  @params[in]    uint16_t cellId
+ *  @return ROK     - success
+ *          RFAILED - failure
+ *
+ *
+ *****************************************************************/
+
+uint8_t sendCellDeleteReqToMac(uint16_t cellId)
+{
+   Pst pst;
+   uint8_t ret=ROK;
+   MacCellDelete *cellDelete = NULLP;
+   
+   DU_ALLOC_SHRABL_BUF(cellDelete, sizeof(MacCellDelete));
+   if(cellDelete)
+   {
+      cellDelete->cellId = cellId;
+      FILL_PST_DUAPP_TO_MAC(pst, EVENT_MAC_CELL_DELETE_REQ);
+
+      DU_LOG("\nINFO   -->  DU APP : Sending Cell Delete Request to MAC");  
+      /* Processing one Cell at a time to MAC */
+      ret = (*packMacCellDeleteReqOpts[pst.selector])(&pst, cellDelete);
+      if(ret == RFAILED)
+      {
+         DU_LOG("\nERROR  -->  DU APP : sendCellDeleteReqToMac(): Failed to send Cell delete Req to MAC");
+         DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, cellDelete, sizeof(MacCellDelete));
+      }
+   }
+   else
+   {
+      DU_LOG("\nERROR  -->   DU APP : sendCellDeleteReqToMac(): Failed to allocate memory"); 
+      ret = RFAILED;
+   }
+   return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief DU preocess Cell Delete Req to MAC 
+ *
+ * @details
+ *
+ *    Function : duSendCellDeletReq 
+ *
+ *    Functionality: DU process Cell Delete Req to MAC 
+ *
+ * @params[in] uint16_t cellId
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t duSendCellDeletReq(uint16_t cellId)
+{
+   uint16_t cellIdx = 0;
+   DU_LOG("\nINFO   -->  DU APP : Processing Cell Delete Request ");
+   GET_CELL_IDX(cellId, cellIdx);
+
+   if(duCb.actvCellLst[cellIdx] == NULLP)
+   {
+      DU_LOG("\nERROR  -->  DU APP : duSendCellDeletReq(): CellId[%d] is not found", cellId);
+      return RFAILED;
+   }
+   
+   if(duCb.actvCellLst[cellIdx]->cellId != cellId)
+   {
+      DU_LOG("\nERROR  -->  DU APP : duSendCellDeletReq(): CellId[%d] is not found", cellId);
+      return RFAILED;
+
+   }  
+   
+   if(duCb.actvCellLst[cellIdx]->cellStatus != DELETION_IN_PROGRESS)
+   {
+      DU_LOG("\nERROR  -->  DU APP : duSendCellDeletReq(): CellStatus[%d] of cellId[%d] is not correct.\
+      Expected CellStatus is DELETION_IN_PROGRESS",duCb.actvCellLst[cellIdx]->cellStatus, cellId);
+      return RFAILED;  
+   }
+
+   if(duBuildAndSendMacCellStop(cellId) == RFAILED)
+   {
+      DU_LOG("\nERROR  -->  DU APP : duSendCellDeletReq(): Failed to build and send cell stop request to MAC for\
+            cellId[%d]",cellId);
+      return RFAILED;
+   }
+
+   return ROK;
+}
+
+/*******************************************************************
+ * @brief fill paging information of a UE belongs to a particular cell
+ *
+ * @details
+ *
+ *    Function : FillPagingInfoInCellCb
+ *
+ *    Functionality: fill paging information of a UE in DuCellCb
+ *
+ * @params[in] DuCellCb* cellCb, uint8_t ueId, 
+ *             DuPagingMsg  rcvdF1apPagingParam
+ *
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t FillPagingInfoInCellCb(DuCellCb* cellCb, DuPagingMsg *rcvdF1apPagingParam)
+{
+   uint8_t ns = 0;
+   uint16_t T=0, N=0, pagingFrame = 0, n = 0;
+   uint16_t currentSfn = 0, sfn = 0, newSfn = 0;
+   PcchCfg   duPcchCfg;
+
+   DU_LOG("\nINFO   --> DU APP : Start filling paging parameters in DuCellCb");
+   if(cellCb)
+   {
+      /* calculate paging frame and paging offset */
+      duPcchCfg = duCfgParam.sib1Params.srvCellCfgCommSib.dlCfg.pcchCfg;
+      rcvdF1apPagingParam->pagingFrameOffset = duPcchCfg.pageFrameOffset;
+      ns = duPcchCfg.ns;      
+
+      /*
+       * Fill the Value of T (DRX cycle of the UE)
+       * T = min(UE Specific DRX value allocated by upper layers, default DRX
+       * broadcast in System Information) */
+      if((rcvdF1apPagingParam->pagingDrxPres) && (duPcchCfg.dfltPagingCycle > rcvdF1apPagingParam->pagingDrx))
+      {
+         T = rcvdF1apPagingParam->pagingDrx;
+      } 
+      else
+      {
+         T = duPcchCfg.dfltPagingCycle;
+      }
+      rcvdF1apPagingParam->T = T;
+
+       /* N= number of total paging frames in T */
+
+      switch(duPcchCfg.nAndPagingFrmOffsetType)
+      {
+         case PCCH_Config__nAndPagingFrameOffset_PR_oneT:
+            N = T;
+            break;
+         case PCCH_Config__nAndPagingFrameOffset_PR_halfT:
+            N = T/2;
+            break;
+         case PCCH_Config__nAndPagingFrameOffset_PR_quarterT:
+            N = T/4;
+            break;
+         case PCCH_Config__nAndPagingFrameOffset_PR_oneEighthT:
+            N = T/8;
+            break;
+         case PCCH_Config__nAndPagingFrameOffset_PR_oneSixteenthT:
+            N = T/16;
+            break;
+         default:
+            N = T;
+            break;
+      }
+
+       /* calculate the Value of pagingFrame */
+      /*Refer: 38.304 Sec 7.1: (SFN + PF_offset) mod T = (T div N)*(UE_ID mod N)*/
+      //RHS of above formula
+      pagingFrame = (T / N) * ((rcvdF1apPagingParam->ueId) % N);
+
+      //LHS of above formula
+      if(pagingFrame)
+      {
+         pagingFrame = (pagingFrame - rcvdF1apPagingParam->pagingFrameOffset)%T;
+      }
+      else /*Paging Frame = 0 so thus PF will be calculated on Paging Cycle*/
+      {
+         pagingFrame = (T - rcvdF1apPagingParam->pagingFrameOffset)%T;
+      }
+
+      /*Paging Frame(SFN for Paging) has to be determined from current SFN. */
+      /*For eg: If T =128, PF(Calculated above) = 20; SFN can be 20,148,276,...
+       * If currSFN is running as 200 then (newSFN % T) == (T/N)*(UE_ID%N)
+       *Thus SFN at which paging has to be sent needs to be delayed and newSFN = 276*/
+
+      currentSfn = cellCb->currSlotInfo.sfn;
+
+      /*Multiplication Factor(x) to find the next best SFN to process paging*/
+
+      /*Below calculation will determine in which nth cycle of T (DRX cycle),new PF
+       * may fall(Delayed one)*/
+      if(currentSfn > pagingFrame)
+      {
+         n  = ((currentSfn - pagingFrame) / T) + 1;
+      }
+      else
+      {
+         n  = ((pagingFrame - currentSfn) / T) + 1;
+      }
+
+      newSfn = pagingFrame + T * n;
+
+      /*When pagingFrame is future from currSFN then pagingFrame will be used 
+       * else pagingFrame is delayed thus newSFN will be used.*/
+      if(currentSfn <= pagingFrame)
+      {
+         if(pagingFrame > currentSfn + PAGING_SCHED_DELTA)
+         {
+            sfn = pagingFrame;
+         }
+         else
+         {
+            sfn = newSfn;
+         }
+      }
+      else
+      {
+         
+         if(newSfn > currentSfn + PAGING_SCHED_DELTA)
+         {
+            sfn = newSfn;
+         }
+         else /*If newSFN is near to currSFN then delay it more by T*/
+         {
+            newSfn = newSfn + T;
+            sfn = newSfn;
+         }
+      }
+      rcvdF1apPagingParam->pagingFrame =  (sfn % 1024);
+      rcvdF1apPagingParam->i_s = ((uint32_t)(floor(rcvdF1apPagingParam->ueId / N)) % ns);
+
+      DU_LOG("\nINFO  --> DU APP : Successfully filled paging parameter in DuCellCb");
+      memcpy(&cellCb->tmpPagingInfoOfUe, rcvdF1apPagingParam, sizeof(DuPagingMsg));
+   }
+   else
+   {
+      DU_LOG("\nINFO  --> DU APP : FillPagingInfoInCellCb(): Received null pointer");
+      return RFAILED;
+   }
+   return ROK;
+}
+
+
 /**********************************************************************
   End of file
  **********************************************************************/