src/du_app/du_cell_mgr.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
  19 /* This file contains message handling functionality for DU cell management */
  20 #include "common_def.h"
  21 #include "lrg.h"
  22 #include "legtp.h"
  23 #include "lrg.x"
  24 #include "lkw.x"
  25 #include "rgr.h"
  26 #include "rgr.x"
  27 #include "E2AP-PDU.h"
  28 #include<ProtocolIE-Field.h>
  29 #include "F1AP-PDU.h"
  30 #include "du_e2ap_msg_hdl.h"
  31 #include "du_app_mac_inf.h"
  32 #include "du_app_rlc_inf.h"
  33 #include "du_cfg.h"
  34 #include "du_mgr.h"
  35 #include "odu_common_codec.h"
  36 #include "du_cell_mgr.h"
  37 #include "du_f1ap_msg_hdl.h"
  38
  39 DuCfgParams duCfgParam;
  40 uint8_t duBuildAndSendMacCellCfg();
  41
  42 /*******************************************************************
  43  *
  44  * @brief Processes cells to be activated
  45  *
  46  * @details
  47  *
  48  *    Function : procCellsToBeActivated
  49  *
  50  *    Functionality:
  51  *      - Processes cells to be activated list received in F1SetupRsp
  52  *
  53  * @params[in] void
  54  * @return ROK     - success
  55  *         RFAILED - failure
  56  *
  57  * ****************************************************************/
  58 uint8_t procCellsToBeActivated(Cells_to_be_Activated_List_t cellsToActivate)
  59 {
  60    uint16_t idx = 0;
  61    uint8_t ret = ROK;
  62
  63    for(idx=0; idx<cellsToActivate.list.count; idx++)
  64    {
  65       uint16_t nci = 0;
  66       uint16_t pci = 0;
  67       DuCellCb *cellCb = NULLP;
  68
  69       Cells_to_be_Activated_List_Item_t cell = cellsToActivate.list.array[idx]->\
  70           value.choice.Cells_to_be_Activated_List_Item;
  71
  72       bitStringToInt(&cell.nRCGI.nRCellIdentity, &nci);
  73       if(nci <= 0 || nci > MAX_NUM_CELL)
  74       {
  75          DU_LOG("\nDU APP : Invalid NCI %d", nci);
  76          return RFAILED;
  77       }
  78
  79       if(cell.nRPCI)
  80       {
  81          pci = *cell.nRPCI;
  82       }
  83
  84       cellCb = duCb.cfgCellLst[nci-1];
  85
  86       if(!cellCb)
  87       {
  88          DU_LOG("\nDU APP : No Cell found for NCI %d", nci);
  89          return RFAILED;
  90       }
  91       cellCb->cellStatus = ACTIVATION_IN_PROGRESS;
  92       cellCb->cellInfo.nrPci = pci;
  93
  94       /* Now remove this cell from configured list and move to active list */
  95       duCb.cfgCellLst[nci-1] = NULL;
  96       duCb.actvCellLst[nci-1] = cellCb;
  97       duCb.numActvCells++;
  98       /* Build and send Mac Cell Cfg for the number of active cells */
  99       ret = duBuildAndSendMacCellCfg(cellCb->cellId);
 100       if(ret != ROK)
 101       {
 102          DU_LOG("\nDU APP : macCellCfg build and send failed");
 103          /* Move cellCb back to cfgCellList */
 104          duCb.cfgCellLst[nci-1] = duCb.actvCellLst[nci-1];
 105          duCb.actvCellLst[nci-1] = NULLP;
 106          duCb.numActvCells--;
 107          return RFAILED;
 108       }
 109    }
 110    return ret;
 111 }
 112
 113 /******************************************************************
 114 *
 115 * @brief Processes F1 Setup Response sent by CU
 116 *
 117 * @details
 118 *
 119 *    Function : procF1SetupRsp
 120 *
 121 *    Functionality: Processes F1 Setup Response sent by CU
 122 *
 123 * @params[in] F1AP_PDU_t ASN decoded F1AP message
 124 * @return ROK     - success
 125 *         RFAILED - failure
 126 *
 127 * ****************************************************************/
 128 uint8_t procF1SetupRsp(F1AP_PDU_t *f1apMsg)
 129 {
 130    uint8_t ret = ROK;
 131
 132    F1SetupResponse_t *f1SetRspMsg;
 133    F1SetupRsp    f1SetRspDb;
 134    GNB_CU_Name_t *cuName;
 135    RRC_Version_t *rrc_Ver;
 136    uint16_t idx;
 137
 138    DU_LOG("\nDU_APP : F1 Setup Response received");
 139         printf("\nDU_APP : F1 Setup Response received");
 140    duCb.f1Status = TRUE; //Set F1 status as true
 141    f1SetRspMsg = &f1apMsg->choice.successfulOutcome->value.choice.F1SetupResponse;
 142
 143    for(idx=0; idx<f1SetRspMsg->protocolIEs.list.count; idx++)
 144    {
 145 //      F1SetupResponseIEs_t f1RspIe = f1SetRspMsg->protocolIEs.list.array[idx];
 146       switch(f1SetRspMsg->protocolIEs.list.array[idx]->id)
 147       {
 148          case ProtocolIE_ID_id_Cells_to_be_Activated_List:
 149          {
 150             procCellsToBeActivated(f1SetRspMsg->protocolIEs.list.array[idx]->\
 151                   value.choice.Cells_to_be_Activated_List);
 152             break;
 153          }
 154          //TODO: where to store and how to use below variables?can they be skipped
 155          case ProtocolIE_ID_id_TransactionID:
 156          {
 157             f1SetRspDb.transId = f1SetRspMsg->protocolIEs.list.array[idx]->\
 158                                  value.choice.TransactionID;
 159             break;
 160          }
 161          case ProtocolIE_ID_id_gNB_CU_Name:
 162          {
 163             cuName = &f1SetRspMsg->protocolIEs.list.array[idx]->\
 164                      value.choice.GNB_CU_Name;
 165             strcpy(f1SetRspDb.cuName, (const char*)cuName->buf);
 166             break;
 167          }
 168          case ProtocolIE_ID_id_GNB_CU_RRC_Version:
 169          {
 170             rrc_Ver = &f1SetRspMsg->protocolIEs.list.array[idx]->\
 171                       value.choice.RRC_Version;
 172             strcpy(f1SetRspDb.rrcVersion.rrcVer,
 173                   (const char*)rrc_Ver->latest_RRC_Version.buf);
 174             break;
 175          }
 176          default:
 177             DU_LOG("\nDU_APP : Invalid IE received in F1SetupRsp:%ld",
 178                   f1SetRspMsg->protocolIEs.list.array[idx]->id);
 179       }
 180    }
 181
 182    /* TODO :Check the deallocation */
 183 #if 0
 184    DU_FREE(f1SetupRsp->protocolIEs.list.array,(Size)elementCnt * sizeof(F1SetupResponseIEs_t *));
 185    DU_FREE(f1apMsg->choice.successfulOutcome,(Size)sizeof(SuccessfulOutcome_t));
 186    DU_FREE(f1apMsg,(Size)sizeof(F1AP_PDU_t));
 187 #endif
 188
 189    return ret;
 190 }
 191
 192 /**********************************************************************
 193   End of file
 194  **********************************************************************/