src/5gnrsch/sch_crc.c

   1 /*******************************************************************************
   2 ################################################################################
   3 #   Copyright (c) [2017-2019] [Radisys]                                        #
   4 #                                                                              #
   5 #   Licensed under the Apache License, Version 2.0 (the "License");            #
   6 #   you may not use this file except in compliance with the License.           #
   7 #   You may obtain a copy of the License at                                    #
   8 #                                                                              #
   9 #       http://www.apache.org/licenses/LICENSE-2.0                             #
  10 #                                                                              #
  11 #   Unless required by applicable law or agreed to in writing, software        #
  12 #   distributed under the License is distributed on an "AS IS" BASIS,          #
  13 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
  14 #   See the License for the specific language governing permissions and        #
  15 #   limitations under the License.                                             #
  16 ################################################################################
  17  *******************************************************************************/
  18 #include "common_def.h"
  19 #include "tfu.h"
  20 #include "lrg.h"
  21 #include "tfu.x"
  22 #include "lrg.x"
  23 #include "du_log.h"
  24 #include "du_app_mac_inf.h"
  25 #include "mac_sch_interface.h"
  26 #include "sch.h"
  27 #include "sch_tmr.h"
  28 #include "sch_utils.h"
  29
  30 /**
  31  * @brief Process CRC indication
  32  *
  33  * @details
  34  *
  35  *     Function : SchProcCrcInd
  36  *
  37  *      This function process CRC indication
  38  *
  39  *  @param[in]  CrcIndInfo *crcInd, recvd crc indication
  40  *  @param[in]  Inst schInst, scheduler inst
  41  *  @return
  42  *      -# ROK
  43  *      -# RFAILED
  44  **/
  45 uint8_t SchProcCrcInd(Pst *pst, CrcIndInfo *crcInd)
  46 {
  47    uint16_t crcCnt=0;
  48    uint8_t  ueId=0;
  49    SchUlHqProcCb *hqP = NULLP;
  50    Inst  schInst = pst->dstInst - SCH_INST_START;
  51    SchCellCb *cell = schCb[schInst].cells[schInst];
  52
  53    while(crcCnt < crcInd->numCrcInd)
  54    {
  55       GET_UE_ID(crcInd->crnti, ueId);
  56       if (cell->raCb[ueId-1].raState == SCH_RA_STATE_MSG3_PENDING)
  57       {
  58          if (crcInd->crcInd[crcCnt])
  59          {
  60             /* failure case*/
  61             if (cell->raCb[ueId-1].msg3HqProc.tbInfo.txCntr < cell->maxMsg3Tx)
  62             {
  63                cell->api->SchCrcInd(cell, ueId);
  64                cell->raCb[ueId - 1].retxMsg3HqProc = &cell->raCb[ueId - 1].msg3HqProc;
  65             }
  66             else
  67             {
  68                /*Release all contexts of the UE RA*/
  69             }
  70          }
  71          else
  72          {
  73             /* pass case*/
  74             /*Dedicated preamble case need to be added*/
  75             cell->raCb[ueId-1].raState = SCH_RA_STATE_MSG4_PENDING;
  76             /*HARQ init part is in ADD UE CONFIG now, could be moved here*/
  77          }
  78       }
  79       else
  80       {
  81          if (cell->ueCb[ueId-1].hqUlmap[crcInd->timingInfo.slot]->hqList.count == 0)
  82          {
  83             crcCnt++;
  84             continue;
  85          }
  86          if (cell->ueCb[ueId-1].hqUlmap[crcInd->timingInfo.slot]->hqList.first == 0)
  87          {
  88             DU_LOG("\nERROR  --> SCH: NULL harq stored in ul hq map at slot %d ue id %d\n",\
  89                                crcInd->timingInfo.slot, ueId);
  90             crcCnt++;
  91             continue;
  92          }
  93          hqP = (SchUlHqProcCb*) cell->ueCb[ueId-1].hqUlmap[crcInd->timingInfo.slot]->hqList.first->node;
  94          if(hqP == NULLP)
  95          {
  96             crcCnt++;
  97             continue;
  98          }
  99          else
 100          {
 101             if (crcInd->crcInd[crcCnt])
 102             {
 103                /* failure case*/
 104                schUlHqProcessNack(hqP);
 105             }
 106             else
 107             {
 108                /* pass case*/
 109                schUlHqProcessAck(hqP);
 110             }
 111          }
 112          cmLListDelFrm(&(cell->ueCb[ueId-1].hqUlmap[crcInd->timingInfo.slot]->hqList), &hqP->ulSlotLnk);
 113       }
 114       crcCnt++;
 115    }
 116    return ROK;
 117 }
 118 /**********************************************************************
 119   End of file
 120  **********************************************************************/