Merge "[Epic-ID: ODUHIGH-402][Task-ID: ODUHIGH-418] Harq feature changes"

[o-du/l2.git] / src / 5gnrsch / sch_crc.c

diff --git a/src/5gnrsch/sch_crc.c b/src/5gnrsch/sch_crc.c
new file mode 100644 (file)
index 0000000..4aa9f81
--- /dev/null
+++ b/src/5gnrsch/sch_crc.c
@@ -0,0 +1,115 @@
+/*******************************************************************************
+################################################################################
+#   Copyright (c) [2017-2019] [Radisys]                                        #
+#                                                                              #
+#   Licensed under the Apache License, Version 2.0 (the "License");            #
+#   you may not use this file except in compliance with the License.           #
+#   You may obtain a copy of the License at                                    #
+#                                                                              #
+#       http://www.apache.org/licenses/LICENSE-2.0                             #
+#                                                                              #
+#   Unless required by applicable law or agreed to in writing, software        #
+#   distributed under the License is distributed on an "AS IS" BASIS,          #
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+#   See the License for the specific language governing permissions and        #
+#   limitations under the License.                                             #
+################################################################################
+ *******************************************************************************/
+#include "common_def.h"
+#include "tfu.h"
+#include "lrg.h"
+#include "tfu.x"
+#include "lrg.x"
+#include "du_log.h"
+#include "du_app_mac_inf.h"
+#include "mac_sch_interface.h"
+#include "sch.h"
+#include "sch_utils.h"
+
+/**
+ * @brief Process CRC indication
+ *
+ * @details
+ *
+ *     Function : schProcessCrcInd
+ *      
+ *      This function process CRC indication
+ *           
+ *  @param[in]  CrcIndInfo *crcInd, recvd crc indication
+ *  @param[in]  Inst schInst, scheduler inst
+ *  @return  
+ *      -# ROK
+ *      -# RFAILED
+ **/
+uint8_t schProcessCrcInd(CrcIndInfo *crcInd, Inst schInst)
+{
+   SchCellCb *cell = schCb[schInst].cells[schInst];
+   uint16_t count=0;
+   uint8_t  ueId=0;
+   SchUlHqProcCb *hqP = NULLP;
+
+   while(count  <crcInd->numCrcInd)
+   {
+      GET_UE_ID(crcInd->crnti, ueId);
+      if (cell->raCb[ueId-1].raState == SCH_RA_STATE_MSG3_PENDING)
+      {
+         if (crcInd->crcInd[count])
+         {
+            /* failure case*/
+            if (cell->raCb[ueId-1].msg3HqProc.tbInfo.txCntr < cell->cellCfg.schRachCfg.maxMsg3Tx)
+            {
+               addUeToBeScheduled(cell, ueId);
+               cell->raCb[ueId - 1].retxMsg3HqProc = &cell->raCb[ueId - 1].msg3HqProc;
+            }
+            else
+            {
+               /*Release all contexts of the UE RA*/
+            }
+         }
+         else
+         {
+            /* pass case*/
+            /*Dedicated preamble case need to be added*/
+            cell->raCb[ueId-1].raState = SCH_RA_STATE_MSG4_PENDING;
+            /*HARQ init part is in ADD UE CONFIG now, could be moved here*/
+         }         
+      }
+      else
+      {
+         if (cell->ueCb[ueId-1].hqUlmap[crcInd->timingInfo.slot]->hqList.count == 0)
+         {
+            DU_LOG("\n ERROR no harq stored in ul hq map at slot %d ue id %d\n",crcInd->timingInfo.slot, ueId);
+            continue;
+         }
+         if (cell->ueCb[ueId-1].hqUlmap[crcInd->timingInfo.slot]->hqList.first == 0)
+         {
+            DU_LOG("\n ERROR NULL harq stored in ul hq map at slot %d ue id %d\n",crcInd->timingInfo.slot, ueId);
+            continue;
+         }
+         hqP = (SchUlHqProcCb*) cell->ueCb[ueId-1].hqUlmap[crcInd->timingInfo.slot]->hqList.first->node;
+         if(hqP == NULLP)
+         {
+            continue;
+         }
+         else
+         {
+            if (crcInd->crcInd[count])
+            {             
+               /* failure case*/
+               schUlHqProcessNack(hqP);
+            }
+            else
+            {
+               /* pass case*/
+               schUlHqProcessAck(hqP);
+            }
+         }
+         cmLListDelFrm(&(cell->ueCb[ueId-1].hqUlmap[crcInd->timingInfo.slot]->hqList), &hqP->ulSlotLnk);
+      }
+      count++;
+   }
+   return ROK;
+}
+/**********************************************************************
+  End of file
+ **********************************************************************/
\ No newline at end of file