src/5gnrsch/sch_ue_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 /* This file contains UE management handling functionality for SCH */
  19
  20 #include "common_def.h"
  21 #include "tfu.h"
  22 #include "lrg.h"
  23
  24 #include "tfu.x"
  25 #include "lrg.x"
  26 #include "du_log.h"
  27 #include "du_app_mac_inf.h"
  28 #include "mac_sch_interface.h"
  29 #include "sch.h"
  30 #include "sch_utils.h"
  31
  32 /* local defines */
  33 SchUeCfgRspFunc SchUeCfgRspOpts[] =
  34 {
  35    packSchUeCfgRsp,      /* LC */
  36    MacProcSchUeCfgRsp,   /* TC */
  37    packSchUeCfgRsp       /* LWLC */
  38 };
  39
  40 SchUeDeleteRspFunc SchUeDeleteRspOpts[] =
  41 {
  42    packSchUeDeleteRsp,      /* LC */
  43    MacProcSchUeDeleteRsp,   /* TC */
  44    packSchUeDeleteRsp       /* LWLC */
  45 };
  46
  47 SchCellDeleteRspFunc SchCellDeleteRspOpts[]=
  48 {
  49    packSchCellDeleteRsp,      /* LC */
  50    MacProcSchCellDeleteRsp,   /* TC */
  51    packSchCellDeleteRsp       /* LWLC */
  52 };
  53
  54 /*******************************************************************
  55  *
  56  * @brief Fill and send UE cfg response to MAC
  57  *
  58  * @details
  59  *
  60  *    Function : SchSendUeCfgRspToMac
  61  *
  62  *    Functionality: Fill and send UE cfg response to MAC
  63  *
  64  * @params[in]
  65  * @return ROK     - success
  66  *         RFAILED - failure
  67  *
  68  * ****************************************************************/
  69 void SchSendUeCfgRspToMac(uint16_t event, SchUeCfg *ueCfg, Inst inst,\
  70       SchMacRsp result, SchUeCfgRsp *cfgRsp)
  71 {
  72    Pst rspPst;
  73
  74    cfgRsp->cellId = ueCfg->cellId;
  75    cfgRsp->duUeF1apId = ueCfg->duUeF1apId;
  76    cfgRsp->crnti = ueCfg->crnti;
  77    cfgRsp->rsp = result;
  78
  79    /* Filling response post */
  80    memset(&rspPst, 0, sizeof(Pst));
  81    FILL_PST_SCH_TO_MAC(rspPst, inst);
  82    if(event == EVENT_ADD_UE_CONFIG_REQ_TO_SCH)
  83    {
  84       rspPst.event = EVENT_UE_CONFIG_RSP_TO_MAC;
  85       DU_LOG("\nINFO  -->  SCH :  Sending UE Config response to MAC");
  86    }
  87    else if(event == EVENT_MODIFY_UE_CONFIG_REQ_TO_SCH)
  88    {
  89       rspPst.event = EVENT_UE_RECONFIG_RSP_TO_MAC;
  90       DU_LOG("\nINFO  -->  SCH :  Sending UE Reconfig response to MAC");
  91    }
  92    SchUeCfgRspOpts[rspPst.selector](&rspPst, cfgRsp);
  93 }
  94
  95 /*******************************************************************
  96
  97  *
  98  * @brief Function to fill Dl Lc Context in SCH Ue Cb
  99  *
 100  * @details
 101  *
 102  *    Function : fillSchDlLcCtxt
 103  *
 104  *    Functionality: Function to fill Dl Lc Context in SCH Ue Cb
 105  *
 106  * @params[in] SchDlLcCtxt pointer,
 107  *             SchLcCfg pointer
 108  * @return void
 109  *
 110  * ****************************************************************/
 111
 112 void fillSchDlLcCtxt(SchDlLcCtxt *ueCbLcCfg, SchLcCfg *lcCfg)
 113 {
 114    ueCbLcCfg->lcId = lcCfg->lcId;
 115    ueCbLcCfg->lcp = lcCfg->dlLcCfg.lcp;
 116    ueCbLcCfg->lcState = SCH_LC_STATE_ACTIVE;
 117    ueCbLcCfg->bo = 0;
 118    if(lcCfg->drbQos)
 119    {
 120      ueCbLcCfg->pduSessionId = lcCfg->drbQos->pduSessionId;
 121    }
 122    if(lcCfg->snssai)
 123    {
 124      if(ueCbLcCfg->snssai == NULLP)/*In CONFIG_MOD case, no need to allocate SNSSAI memory*/
 125      {
 126         SCH_ALLOC(ueCbLcCfg->snssai, sizeof(Snssai));
 127      }
 128      memcpy(ueCbLcCfg->snssai, lcCfg->snssai,sizeof(Snssai));
 129    }
 130 }
 131
 132 /*******************************************************************
 133  *
 134  * @brief Function to fill Ul Lc Context in SCH Ue Cb
 135  *
 136  * @details
 137  *
 138  *    Function : fillSchUlLcCtxt
 139  *
 140  *    Functionality: Function to fill Ul Lc Context in SCH Ue Cb
 141  *
 142  * @params[in] SchUlLcCtxt pointer,
 143  *             SchLcCfg pointer
 144  * @return void
 145  *
 146  * ****************************************************************/
 147
 148 void fillSchUlLcCtxt(SchUlLcCtxt *ueCbLcCfg, SchLcCfg *lcCfg)
 149 {
 150    ueCbLcCfg->lcId = lcCfg->lcId;
 151    ueCbLcCfg->lcState = SCH_LC_STATE_ACTIVE;
 152    ueCbLcCfg->priority = lcCfg->ulLcCfg.priority;
 153    ueCbLcCfg->lcGroup = lcCfg->ulLcCfg.lcGroup;
 154    ueCbLcCfg->schReqId = lcCfg->ulLcCfg.schReqId;
 155    ueCbLcCfg->pbr     = lcCfg->ulLcCfg.pbr;
 156    ueCbLcCfg->bsd     = lcCfg->ulLcCfg.bsd;
 157
 158    if(lcCfg->drbQos)
 159    {
 160       ueCbLcCfg->pduSessionId = lcCfg->drbQos->pduSessionId;
 161    }
 162    if(lcCfg->snssai)
 163    {
 164      /*In CONFIG_MOD case, no need to allocate SNSSAI memory again*/
 165      if(ueCbLcCfg->snssai == NULLP)
 166      {
 167         SCH_ALLOC(ueCbLcCfg->snssai, sizeof(Snssai));
 168      }
 169      memcpy(ueCbLcCfg->snssai, lcCfg->snssai,sizeof(Snssai));
 170    }
 171 }
 172
 173 /*******************************************************************
 174  *
 175  * @brief Function to update/allocate dedLC Info
 176  *
 177  * @details
 178  *
 179  *    Function : updateDedLcInfo
 180  *
 181  *    Functionality: Function to fill DLDedLcInfo
 182  *
 183  * @params[arg] scheduler instance,
 184  *              snssai pointer,
 185  *              SchRrmPolicy pointer,
 186  *              SchLcPrbEstimate pointer , It will be filled
 187  *              isDedicated pointer,(Address of isDedicated flag in LC Context)
 188  *
 189  * @return ROK      >> This LC is part of RRM MemberList.
 190  *         RFAILED  >> FATAL Error
 191  *         ROKIGNORE >> This LC is not part of this RRM MemberList
 192  *
 193  * ****************************************************************/
 194
 195 uint8_t updateDedLcInfo(Inst inst, Snssai *snssai, SchLcPrbEstimate *lcPrbEst, bool *isDedicated)
 196 {
 197    uint8_t sliceCfgIdx =0;
 198    SchSliceCfg sliceCfg = schCb[inst].sliceCfg;
 199
 200    if(sliceCfg.numOfSliceConfigured)
 201    {
 202       for(sliceCfgIdx = 0; sliceCfgIdx<sliceCfg.numOfSliceConfigured; sliceCfgIdx++)
 203       {
 204          if(memcmp(snssai, &(sliceCfg.listOfConfirguration[sliceCfgIdx]->snssai), sizeof(Snssai)) == 0)
 205          {
 206             if(lcPrbEst->dedLcInfo == NULLP)
 207             {
 208                SCH_ALLOC(lcPrbEst->dedLcInfo, sizeof(DedicatedLCInfo));
 209                if(lcPrbEst->dedLcInfo == NULLP)
 210                {
 211                   DU_LOG("\nINFO  -->  SCH : Memory Allocation Failed");
 212                   return RFAILED;
 213                }
 214             }
 215             if(sliceCfg.listOfConfirguration[sliceCfgIdx]->rrmPolicyRatioInfo)
 216             {
 217                /*Updating latest RrmPolicy*/
 218                lcPrbEst->dedLcInfo->rsvdDedicatedPRB = \
 219                (uint16_t)(((sliceCfg.listOfConfirguration[sliceCfgIdx]->rrmPolicyRatioInfo->policyDedicatedRatio)*(MAX_NUM_RB))/100);
 220                *isDedicated = TRUE;
 221                DU_LOG("\nINFO  -->  SCH : Updated RRM policy, reservedPOOL:%d",lcPrbEst->dedLcInfo->rsvdDedicatedPRB);
 222             }
 223          }
 224       }
 225       /*case: This LcCtxt  is either a Default LC or this LC is part of someother RRM_MemberList*/
 226       if(*isDedicated != TRUE)
 227       {
 228          DU_LOG("\nINFO  -->  SCH : This SNSSAI is not a part of this RRMPolicy");
 229       }
 230    }
 231    return ROK;
 232 }
 233
 234 /*******************************************************************
 235  *
 236  * @brief Function to fill SchUeCb
 237  *
 238  * @details
 239  *
 240  *    Function : fillSchUeCb
 241  *
 242  *    Functionality: Function to fill SchUeCb
 243  *
 244  * @params[in] Scheduler instance,
 245  *             SchUeCb pointer,
 246  *             SchUeCfg pointer
 247  * @return ROK/RFAILED
 248  *
 249  * ****************************************************************/
 250
 251 uint8_t fillSchUeCb(Inst inst, SchUeCb *ueCb, SchUeCfg *ueCfg)
 252 {
 253    uint8_t   lcIdx, ueLcIdx;
 254    uint8_t   freqDomainResource[FREQ_DOM_RSRC_SIZE] = {0};
 255    SchPdschCfgCmn pdschCfg;
 256    SchPucchDlDataToUlAck *dlDataToUlAck;
 257    CmLListCp *lcLL = NULLP;
 258    uint8_t retDL = ROK, retUL = ROK;
 259    bool isLcIdValid = FALSE;
 260
 261    ueCb->ueCfg.cellId = ueCfg->cellId;
 262    ueCb->ueCfg.duUeF1apId = ueCfg->duUeF1apId;
 263    ueCb->ueCfg.crnti = ueCfg->crnti;
 264    if(ueCfg->macCellGrpCfgPres == true)
 265    {
 266       memcpy(&ueCb->ueCfg.macCellGrpCfg , &ueCfg->macCellGrpCfg, sizeof(SchMacCellGrpCfg));
 267       ueCb->ueCfg.macCellGrpCfgPres = true;
 268    }
 269
 270    if(ueCfg->phyCellGrpCfgPres == true)
 271    {
 272       memcpy(&ueCb->ueCfg.phyCellGrpCfg ,  &ueCfg->phyCellGrpCfg, sizeof(SchPhyCellGrpCfg));
 273       ueCb->ueCfg.phyCellGrpCfgPres = true;
 274    }
 275
 276    if(ueCfg->spCellCfgPres == true)
 277    {
 278       memcpy(&ueCb->ueCfg.spCellCfg , &ueCfg->spCellCfg, sizeof(SchSpCellCfg));
 279
 280       covertFreqDomRsrcMapToIAPIFormat(ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.pdcchCfg.cRSetToAddModList[0].freqDomainRsrc,\
 281             freqDomainResource);
 282       memset(ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.pdcchCfg.cRSetToAddModList[0].freqDomainRsrc, 0, FREQ_DOM_RSRC_SIZE);
 283       memcpy(ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.pdcchCfg.cRSetToAddModList[0].freqDomainRsrc, freqDomainResource, FREQ_DOM_RSRC_SIZE);
 284
 285       ueCb->ueCfg.spCellCfgPres = true;
 286       dlDataToUlAck = ueCfg->spCellCfg.servCellCfg.initUlBwp.pucchCfg.dlDataToUlAck;
 287       if(ueCb->cellCb)
 288       {
 289          if(dlDataToUlAck)
 290          {
 291             BuildK0K1Table(ueCb->cellCb, &ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.k0K1InfoTbl, false, pdschCfg,\
 292                   ueCfg->spCellCfg.servCellCfg.initDlBwp.pdschCfg, dlDataToUlAck->dlDataToUlAckListCount,\
 293                   dlDataToUlAck->dlDataToUlAckList);
 294             ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.k0K1TblPrsnt = true;
 295             BuildK2InfoTable(ueCb->cellCb, ueCfg->spCellCfg.servCellCfg.initUlBwp.puschCfg.timeDomRsrcAllocList,\
 296                   ueCfg->spCellCfg.servCellCfg.initUlBwp.puschCfg.numTimeDomRsrcAlloc,\
 297                   NULLP, &ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.k2InfoTbl);
 298                   ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.k2TblPrsnt = true;
 299          }
 300       }
 301    }
 302
 303    if(ueCfg->ambrCfg)
 304    {
 305       SCH_FREE(ueCb->ueCfg.ambrCfg, sizeof(SchAmbrCfg));
 306       ueCb->ueCfg.ambrCfg =  ueCfg->ambrCfg;
 307    }
 308    memcpy(&ueCb->ueCfg.dlModInfo,  &ueCfg->dlModInfo , sizeof(SchModulationInfo));
 309    memcpy(&ueCb->ueCfg.ulModInfo,  &ueCfg->ulModInfo , sizeof(SchModulationInfo));
 310
 311    //Updating SchUlCb and SchDlCb DB in SchUeCb
 312    for(lcIdx = 0; lcIdx < ueCfg->numLcs; lcIdx++)
 313    {
 314       isLcIdValid = FALSE; /*Re-Initializing*/
 315
 316       ueLcIdx = ueCfg->schLcCfg[lcIdx].lcId;
 317       CHECK_LCID(ueLcIdx, isLcIdValid);
 318       if(isLcIdValid == FALSE)
 319       {
 320          DU_LOG("ERROR --> SCH: LCID:%d is not Valid",ueLcIdx);
 321          continue;
 322       }
 323       if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_ADD)
 324       {
 325          fillSchUlLcCtxt(&ueCb->ulInfo.ulLcCtxt[ueLcIdx], &ueCfg->schLcCfg[lcIdx]);
 326          fillSchDlLcCtxt(&ueCb->dlInfo.dlLcCtxt[ueLcIdx], &ueCfg->schLcCfg[lcIdx]);
 327
 328          /*Checking whether this LC belong to Dedicated S-NSSAI
 329           * and Create the Dedicated LC List & Update the Reserve PRB number*/
 330          if(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai != NULLP)
 331          {
 332             retDL = updateDedLcInfo(inst, ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai, &(ueCb->dlLcPrbEst),\
 333                   &(ueCb->dlInfo.dlLcCtxt[ueLcIdx].isDedicated));
 334          }
 335          if(ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai != NULLP)
 336          {
 337             retUL =  updateDedLcInfo(inst, ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai, &(ueCb->ulLcPrbEst),\
 338                   &(ueCb->ulInfo.ulLcCtxt[ueLcIdx].isDedicated));
 339          }
 340
 341          if(retUL == RFAILED  || retDL == RFAILED)/*FATAL error*/
 342          {
 343             DU_LOG("\nERROR  -->  SCH : Failure in updateDedLcInfo");
 344             return RFAILED;
 345          }
 346       }
 347       else
 348       {
 349          if(ueCb->ulInfo.ulLcCtxt[ueLcIdx].lcId == ueCfg->schLcCfg[lcIdx].lcId)
 350          {
 351             if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_MOD)
 352             {
 353                fillSchUlLcCtxt(&ueCb->ulInfo.ulLcCtxt[ueLcIdx], &ueCfg->schLcCfg[lcIdx]);
 354                /*Updating the RRM reserved pool PRB count*/
 355                if(ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai != NULLP)
 356                {
 357                   retUL =  updateDedLcInfo(inst, ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai, &(ueCb->ulLcPrbEst),\
 358                         &(ueCb->ulInfo.ulLcCtxt[ueLcIdx].isDedicated));
 359                }
 360                if(retUL == RFAILED)
 361                {
 362                   DU_LOG("\nERROR  -->  SCH : Failed in updating Ded Lc info");
 363                   return RFAILED;
 364                }
 365             }
 366             if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_DEL)
 367             {
 368                /*Delete the LC node from the UL LC List*/
 369                if(ueCb->ulInfo.ulLcCtxt[ueLcIdx].isDedicated)
 370                {
 371                   if(ueCb->ulLcPrbEst.dedLcInfo != NULLP)
 372                   {
 373                      lcLL = &(ueCb->ulLcPrbEst.dedLcInfo->dedLcList);
 374                      handleLcLList(lcLL, ueCfg->schLcCfg[lcIdx].lcId, DELETE);
 375                      if(lcLL->count == 0)/*IF No Node in DedicateLCList to be deleted*/
 376                      {
 377                         /*Free the Dedicated LC Info structure*/
 378                         SCH_FREE(ueCb->ulLcPrbEst.dedLcInfo, sizeof(DedicatedLCInfo));
 379                      }
 380                   }
 381                }
 382                else/*Default LC list*/
 383                {
 384                   lcLL = &(ueCb->ulLcPrbEst.defLcList);
 385                   handleLcLList(lcLL, ueCfg->schLcCfg[lcIdx].lcId, DELETE);
 386                }
 387                SCH_FREE(ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai, sizeof(Snssai));
 388                memset(&ueCb->ulInfo.ulLcCtxt[ueLcIdx], 0, sizeof(SchUlLcCtxt));
 389             }
 390          }/*End of UL LC Ctxt*/
 391
 392          if(ueCb->dlInfo.dlLcCtxt[ueLcIdx].lcId == ueCfg->schLcCfg[lcIdx].lcId)
 393          {
 394             if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_MOD)
 395             {
 396                fillSchDlLcCtxt(&ueCb->dlInfo.dlLcCtxt[ueLcIdx], &ueCfg->schLcCfg[lcIdx]);
 397                /*Updating the RRM policy*/
 398                if(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai != NULLP)
 399                {
 400                   retDL = updateDedLcInfo(inst, ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai, &(ueCb->dlLcPrbEst), \
 401                         &(ueCb->dlInfo.dlLcCtxt[ueLcIdx].isDedicated));
 402                }
 403                if(retDL == RFAILED)
 404                {
 405                   DU_LOG("\nERROR  -->  SCH : Failed in updating Ded Lc info");
 406                   return RFAILED;
 407                }
 408             }
 409             if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_DEL)
 410             {
 411                /*Delete the LC node from the DL LC List*/
 412                if(ueCb->dlInfo.dlLcCtxt[ueLcIdx].isDedicated)
 413                {
 414                   if(ueCb->dlLcPrbEst.dedLcInfo != NULLP)
 415                   {
 416                      lcLL = &(ueCb->dlLcPrbEst.dedLcInfo->dedLcList);
 417                      handleLcLList(lcLL, ueCfg->schLcCfg[lcIdx].lcId, DELETE);
 418                      if(lcLL->count == 0)/*Last Node in DedicateLCList to be deleted*/
 419                      {
 420                         /*Free the Dedicated LC Info structure*/
 421                         SCH_FREE(ueCb->dlLcPrbEst.dedLcInfo, sizeof(DedicatedLCInfo));
 422                      }
 423                   }
 424                }
 425                else
 426                {
 427                   lcLL = &(ueCb->dlLcPrbEst.defLcList);
 428                   handleLcLList(lcLL, ueCfg->schLcCfg[lcIdx].lcId, DELETE);
 429                }
 430                SCH_FREE(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai, sizeof(Snssai));
 431                memset(&ueCb->dlInfo.dlLcCtxt[ueLcIdx], 0, sizeof(SchDlLcCtxt));
 432             }
 433          }/*End of DL LC ctxt*/
 434       }
 435
 436       SCH_FREE(ueCfg->schLcCfg[lcIdx].drbQos, sizeof(SchDrbQosInfo));
 437       SCH_FREE(ueCfg->schLcCfg[lcIdx].snssai, sizeof(Snssai));
 438
 439    }/* End of outer for loop */
 440    return ROK;
 441 }
 442
 443 /*******************************************************************
 444  *
 445  * @brief Function to get SCH Cell Cb
 446  *
 447  * @details
 448  *
 449  *    Function : getSchCellCb
 450  *
 451  *    Functionality: Function to get SCH Cell Cb
 452  *
 453  * @params[in] event, SchUeCfg pointer
 454  * @return schUeCb pointer  - success
 455  *         NULLP - failure
 456  *
 457  * ****************************************************************/
 458
 459 SchCellCb *getSchCellCb(uint16_t srcEvent, Inst inst, SchUeCfg *ueCfg)
 460 {
 461    uint8_t      idx;
 462    SchCellCb    *cellCb = NULLP;
 463    SchUeCfgRsp  cfgRsp;
 464    memset(&cfgRsp, 0, sizeof(SchUeCfgRsp));
 465
 466    /* Search of cell cb */
 467    for(idx = 0; idx < MAX_NUM_CELL; idx++)
 468    {
 469       cellCb = schCb[inst].cells[idx];
 470       if(cellCb->cellId == ueCfg->cellId)
 471          break;
 472    }
 473    if(idx == MAX_NUM_CELL)
 474    {
 475       DU_LOG("\nERROR  -->  SCH : Ue create request failed. Invalid cell id %d", ueCfg->cellId);
 476       SchSendUeCfgRspToMac(srcEvent, ueCfg, inst, RSP_NOK, &cfgRsp);
 477       return NULLP;
 478    }
 479
 480    /* Check if max number of UE configured */
 481    if(cellCb->numActvUe > MAX_NUM_UE)
 482    {
 483       DU_LOG("\nERROR  -->  SCH :  Max number of UE [%d] already configured", MAX_NUM_UE);
 484       SchSendUeCfgRspToMac(srcEvent, ueCfg, inst, RSP_NOK, &cfgRsp);
 485       return NULLP;
 486    }
 487    return cellCb;
 488 }
 489
 490
 491 /*******************************************************************
 492  *
 493  * @brief Function to Add Ue Config Request from MAC
 494  *
 495  * @details
 496  *
 497  *    Function : MacSchAddUeConfigReq
 498  *
 499  *    Functionality: Function to Add Ue config request from MAC
 500  *
 501  * @params[in]
 502  * @return ROK     - success
 503  *         RFAILED - failure
 504  *
 505  * ****************************************************************/
 506 uint8_t MacSchAddUeConfigReq(Pst *pst, SchUeCfg *ueCfg)
 507 {
 508    uint8_t ueId, lcIdx, ret = ROK;
 509    SchCellCb    *cellCb = NULLP;
 510    SchUeCb      *ueCb = NULLP;
 511    SchUeCfgRsp  cfgRsp;
 512    Inst         inst = pst->dstInst - SCH_INST_START;
 513    memset(&cfgRsp, 0, sizeof(SchUeCfgRsp));
 514
 515 #ifdef CALL_FLOW_DEBUG_LOG
 516    DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_ADD_UE_CONFIG_REQ_TO_SCH\n");
 517 #endif
 518
 519    if(!ueCfg)
 520    {
 521       DU_LOG("\nERROR  -->  SCH :  Adding UE Config Request failed at MacSchAddUeConfigReq()");
 522       return RFAILED;
 523    }
 524    DU_LOG("\nDEBUG  -->  SCH :  Adding UE Config Request for CRNTI[%d]", ueCfg->crnti);
 525    cellCb = getSchCellCb(pst->event, inst, ueCfg);
 526
 527    /* Search if UE already configured */
 528    if(ueCfg->crnti)
 529    {
 530       GET_UE_ID(ueCfg->crnti, ueId);
 531       ueCb = &cellCb->ueCb[ueId -1];
 532    }
 533    else
 534       ueCb = &cellCb->hoUeCb[ueCfg->duUeF1apId - 1];
 535
 536    if((ueCb->crnti == ueCfg->crnti) && (ueCb->state == SCH_UE_STATE_ACTIVE))
 537    {
 538       DU_LOG("\nDEBUG  -->  SCH : CRNTI %d already configured ", ueCfg->crnti);
 539       SchSendUeCfgRspToMac(pst->event, ueCfg, inst, RSP_OK, &cfgRsp);
 540       return ROK;
 541    }
 542
 543    /* Fill received Ue Configuration in UeCb */
 544    memset(ueCb, 0, sizeof(SchUeCb));
 545    ueCb->ueId = ueId;
 546    ueCb->crnti = ueCfg->crnti;
 547    if(ueCb->crnti)
 548       ueCb->state = SCH_UE_STATE_ACTIVE;
 549    else
 550       ueCb->state = SCH_UE_HANDIN_IN_PROGRESS;
 551
 552    ret = fillSchUeCb(inst, ueCb, ueCfg);
 553    if(ret == ROK)
 554    {
 555       if(ueCb->state == SCH_UE_STATE_ACTIVE)
 556       {
 557          cellCb->numActvUe++;
 558          SET_ONE_BIT(ueCb->ueId, cellCb->actvUeBitMap);
 559       }
 560       ueCb->cellCb = cellCb;
 561       ueCb->srRcvd = false;
 562       ueCb->bsrRcvd = false;
 563       for(lcIdx=0; lcIdx<MAX_NUM_LOGICAL_CHANNEL_GROUPS; lcIdx++)
 564          ueCb->bsrInfo[lcIdx].dataVol = 0;
 565
 566       SchSendUeCfgRspToMac(pst->event, ueCfg, inst, RSP_OK, &cfgRsp);
 567    }
 568    return ret;
 569 }
 570
 571 /*******************************************************************
 572 *
 573 * @brief Fills PUSCH UL allocation
 574 *
 575 * @details
 576 *
 577 *    Function : schFillPuschAlloc
 578 *
 579 *    Functionality: fills PUSCH info
 580 *
 581 * @params[in]
 582 * @return ROK     - success
 583 *         RFAILED - failure
 584 *
 585 * ****************************************************************/
 586 uint8_t schFillPuschAlloc(SchUeCb *ueCb, SlotTimingInfo puschTime, uint32_t tbSize,
 587                             uint8_t startSymb, uint8_t symbLen, uint16_t startPrb)
 588 {
 589   uint8_t  numRb          = 0;
 590   SchCellCb *cellCb       = NULLP;
 591   SchUlSlotInfo *schUlSlotInfo = NULLP;
 592   SchPuschInfo puschInfo;
 593
 594   if(ueCb == NULLP)
 595   {
 596     DU_LOG("\nERROR --> SCH: UE CB is empty");
 597     return RFAILED;
 598   }
 599
 600   cellCb = ueCb->cellCb;
 601   if(cellCb == NULLP)
 602   {
 603     DU_LOG("\nERROR --> SCH: CELL CB is empty");
 604     return RFAILED;
 605   }
 606
 607   tbSize  +=  UL_TX_BUFFER_SIZE; /*  2 bytes header + some buffer */
 608   numRb   = schCalcNumPrb(tbSize, ueCb->ueCfg.ulModInfo.mcsIndex, symbLen);
 609   allocatePrbUl(cellCb, puschTime, startSymb, symbLen, &startPrb, numRb);
 610
 611   puschInfo.crnti             = ueCb->crnti;
 612   puschInfo.harqProcId        = SCH_HARQ_PROC_ID;
 613   puschInfo.resAllocType      = SCH_ALLOC_TYPE_1;
 614   puschInfo.fdAlloc.startPrb  = startPrb;
 615   puschInfo.fdAlloc.numPrb    = numRb;
 616   puschInfo.tdAlloc.startSymb = startSymb;
 617   puschInfo.tdAlloc.numSymb   = symbLen;
 618   puschInfo.tbInfo.qamOrder   = ueCb->ueCfg.ulModInfo.modOrder;
 619   puschInfo.tbInfo.mcs        = ueCb->ueCfg.ulModInfo.mcsIndex;
 620   puschInfo.tbInfo.mcsTable   = ueCb->ueCfg.ulModInfo.mcsTable;
 621   puschInfo.tbInfo.ndi        = 1; /* new transmission */
 622   puschInfo.tbInfo.rv         = 0;
 623   puschInfo.tbInfo.tbSize     = tbSize;
 624   puschInfo.dmrsMappingType   = DMRS_MAP_TYPE_A;  /* Setting Type-A */
 625   puschInfo.nrOfDmrsSymbols   = NUM_DMRS_SYMBOLS;
 626   puschInfo.dmrsAddPos        = DMRS_ADDITIONAL_POS;
 627
 628   schUlSlotInfo = cellCb->schUlSlotInfo[puschTime.slot];
 629   SCH_ALLOC(schUlSlotInfo->schPuschInfo, sizeof(SchPuschInfo));
 630   if(!schUlSlotInfo->schPuschInfo)
 631   {
 632      DU_LOG("\nERROR  -->  SCH: Memory allocation failed in schAllocMsg3Pusch");
 633      return RFAILED;
 634   }
 635   memcpy(schUlSlotInfo->schPuschInfo, &puschInfo, sizeof(SchPuschInfo));
 636
 637   return ROK;
 638 }
 639
 640 /*******************************************************************
 641  *
 642  * @brief Fills DCI for UL grant
 643  *
 644  * @details
 645  *
 646  *    Function : schFillUlDci
 647  *
 648  *    Functionality: fills DCI for UL grant in response to BSR
 649  *
 650  * @params[in]
 651  * @return ROK     - success
 652  *         RFAILED - failure
 653  *
 654  * ****************************************************************/
 655 uint8_t schFillUlDci(SchUeCb *ueCb, SchPuschInfo *puschInfo, DciInfo *dciInfo)
 656 {
 657    SchCellCb         *cellCb  = ueCb->cellCb;
 658    SchControlRsrcSet coreset1 ;
 659
 660    memset(&coreset1, 0, sizeof(SchControlRsrcSet));
 661    if(ueCb->ueCfg.spCellCfgPres == true)
 662    {
 663      coreset1 = ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.pdcchCfg.cRSetToAddModList[0];
 664    }
 665
 666    dciInfo->cellId = cellCb->cellId;
 667    dciInfo->crnti  = ueCb->crnti;
 668
 669    /* fill bwp cfg */
 670    dciInfo->bwpCfg.subcarrierSpacing  = cellCb->cellCfg.sib1SchCfg.bwp.subcarrierSpacing;
 671    dciInfo->bwpCfg.cyclicPrefix       = cellCb->cellCfg.sib1SchCfg.bwp.cyclicPrefix;
 672    dciInfo->bwpCfg.freqAlloc.startPrb = cellCb->cellCfg.schInitialDlBwp.bwp.freqAlloc.startPrb;
 673    dciInfo->bwpCfg.freqAlloc.numPrb   = cellCb->cellCfg.schInitialDlBwp.bwp.freqAlloc.numPrb;
 674
 675    /*fill coreset cfg */
 676    //Considering number of RBs in coreset1 is same as coreset0
 677    dciInfo->coresetCfg.coreSetSize      = coresetIdxTable[0][1];
 678    //Considering coreset1 also starts from same symbol as coreset0
 679    dciInfo->coresetCfg.startSymbolIndex = searchSpaceIdxTable[0][3];
 680    dciInfo->coresetCfg.durationSymbols  = coreset1.duration;
 681    memcpy(dciInfo->coresetCfg.freqDomainResource, coreset1.freqDomainRsrc, FREQ_DOM_RSRC_SIZE);
 682
 683    dciInfo->coresetCfg.cceRegMappingType   = coreset1.cceRegMappingType; /* non-interleaved */
 684    dciInfo->coresetCfg.regBundleSize       = 6; /* must be 6 for non-interleaved */
 685    dciInfo->coresetCfg.interleaverSize     = 0; /* NA for non-interleaved */
 686    dciInfo->coresetCfg.coreSetType         = 1; /* non PBCH coreset */
 687    dciInfo->coresetCfg.shiftIndex          = cellCb->cellCfg.phyCellId;
 688    dciInfo->coresetCfg.precoderGranularity = coreset1.precoderGranularity;
 689    dciInfo->coresetCfg.cceIndex            = 0; /* 0-3 for UL and 4-7 for DL */
 690    dciInfo->coresetCfg.aggregationLevel    = 4; /* same as for sib1 */
 691
 692    dciInfo->formatType = FORMAT0_0;
 693
 694    /* fill UL grant */
 695    dciInfo->format.format0_0.resourceAllocType   = puschInfo->resAllocType;
 696    dciInfo->format.format0_0.freqAlloc.startPrb  = puschInfo->fdAlloc.startPrb;
 697    dciInfo->format.format0_0.freqAlloc.numPrb    = puschInfo->fdAlloc.numPrb;
 698    dciInfo->format.format0_0.timeAlloc.startSymb = puschInfo->tdAlloc.startSymb;
 699    dciInfo->format.format0_0.timeAlloc.numSymb   = puschInfo->tdAlloc.numSymb;
 700    dciInfo->format.format0_0.rowIndex            = 0; /* row Index */
 701    dciInfo->format.format0_0.mcs                 = puschInfo->tbInfo.mcs;
 702    dciInfo->format.format0_0.harqProcId          = puschInfo->harqProcId;
 703    dciInfo->format.format0_0.puschHopFlag        = FALSE; /* disabled */
 704    dciInfo->format.format0_0.freqHopFlag         = FALSE; /* disabled */
 705    dciInfo->format.format0_0.ndi                 = puschInfo->tbInfo.ndi; /* new transmission */
 706    dciInfo->format.format0_0.rv                  = puschInfo->tbInfo.rv;
 707    dciInfo->format.format0_0.tpcCmd              = 0; //Sphoorthi TODO: check
 708    dciInfo->format.format0_0.sUlCfgd             = FALSE; /* SUL not configured */
 709
 710    /* Fill DCI Structure */
 711    dciInfo->dciInfo.rnti                              = ueCb->crnti;
 712    dciInfo->dciInfo.scramblingId                      = cellCb->cellCfg.phyCellId;
 713    dciInfo->dciInfo.scramblingRnti                    = 0;
 714    dciInfo->dciInfo.cceIndex                          = 0; /* 0-3 for UL and 4-7 for DL */
 715    dciInfo->dciInfo.aggregLevel                       = 4;
 716    dciInfo->dciInfo.beamPdcchInfo.numPrgs             = 1;
 717    dciInfo->dciInfo.beamPdcchInfo.prgSize             = 1;
 718    dciInfo->dciInfo.beamPdcchInfo.digBfInterfaces     = 0;
 719    dciInfo->dciInfo.beamPdcchInfo.prg[0].pmIdx        = 0;
 720    dciInfo->dciInfo.beamPdcchInfo.prg[0].beamIdx[0]   = 0;
 721    dciInfo->dciInfo.txPdcchPower.powerValue           = 0;
 722    dciInfo->dciInfo.txPdcchPower.powerControlOffsetSS = 0;
 723    dciInfo->dciInfo.pdschCfg                          = NULL; /* No DL data being sent */
 724
 725    return ROK;
 726 }
 727
 728 /*******************************************************************
 729  *
 730  * @brief Function to Modify Ue Config request from MAC
 731  *
 732  * @details
 733  *
 734  *    Function : MacSchModUeConfigReq
 735  *
 736  *    Functionality: Function to modify Ue Config request from MAC
 737  *
 738  * @params[in]
 739  * @return ROK     - success
 740  *         RFAILED - failure
 741  *
 742  * ****************************************************************/
 743 uint8_t MacSchModUeConfigReq(Pst *pst, SchUeCfg *ueCfg)
 744 {
 745    uint8_t ueId, lcIdx, ret = ROK;
 746    SchCellCb    *cellCb = NULLP;
 747    SchUeCb      *ueCb = NULLP;
 748    SchUeCfgRsp  cfgRsp;
 749    Inst         inst = pst->dstInst - SCH_INST_START;
 750    memset(&cfgRsp, 0, sizeof(SchUeCfgRsp));
 751
 752 #ifdef CALL_FLOW_DEBUG_LOG
 753    DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_MODIFY_UE_CONFIG_REQ_TO_SCH\n");
 754 #endif
 755
 756    if(!ueCfg)
 757    {
 758       DU_LOG("\nERROR  -->  SCH : Modifying Ue Config request failed at MacSchModUeConfigReq()");
 759       return RFAILED;
 760    }
 761    DU_LOG("\nDEBUG  -->  SCH : Modifying Ue Config Request for CRNTI[%d]", ueCfg->crnti);
 762    cellCb = getSchCellCb(pst->event, inst, ueCfg);
 763
 764    /* Search if UE already configured */
 765    GET_UE_ID(ueCfg->crnti, ueId);
 766    ueCb = &cellCb->ueCb[ueId -1];
 767
 768    if(!ueCb)
 769    {
 770       DU_LOG("\nERROR  -->  SCH : SchUeCb not found at MacSchModUeConfigReq() ");
 771       SchSendUeCfgRspToMac(pst->event, ueCfg, inst, RSP_NOK, &cfgRsp);
 772       return RFAILED;
 773    }
 774    if((ueCb->crnti == ueCfg->crnti) && (ueCb->state == SCH_UE_STATE_ACTIVE))
 775    {
 776       /* Found the UeCb to Reconfig */
 777       ret = fillSchUeCb(inst, ueCb, ueCfg);
 778       if(ret == ROK)
 779       {
 780          ueCb->cellCb = cellCb;
 781          ueCb->srRcvd = false;
 782          ueCb->bsrRcvd = false;
 783          for(lcIdx=0; lcIdx<MAX_NUM_LOGICAL_CHANNEL_GROUPS; lcIdx++)
 784             ueCb->bsrInfo[lcIdx].dataVol = 0;
 785
 786          SchSendUeCfgRspToMac(pst->event, ueCfg, inst, RSP_OK, &cfgRsp);
 787       }
 788    }
 789    return ret;
 790 }
 791
 792 /*******************************************************************
 793 *
 794 * @brief Fill and send UE delete response to MAC
 795 *
 796 * @details
 797 *
 798 *    Function :  SchSendUeDeleteRspToMac
 799 *
 800 *    Functionality: Fill and send UE delete response to MAC
 801 *
 802 * @params[in] Inst inst, SchUeDelete  *ueDelete, SchMacRsp result,
 803 *              ErrorCause cause
 804 * @return ROK     - success
 805 *         RFAILED - failure
 806 *
 807 * ****************************************************************/
 808 void SchSendUeDeleteRspToMac(Inst inst, SchUeDelete  *ueDelete, SchMacRsp result, ErrorCause cause)
 809 {
 810     Pst rspPst;
 811     SchUeDeleteRsp  delRsp;
 812
 813     memset(&delRsp, 0, sizeof(SchUeDeleteRsp));
 814     delRsp.cellId = ueDelete->cellId;
 815     delRsp.crnti = ueDelete->crnti;
 816     delRsp.rsp = result;
 817     delRsp.cause = cause;
 818
 819     /* Filling response post */
 820     memset(&rspPst, 0, sizeof(Pst));
 821     FILL_PST_SCH_TO_MAC(rspPst, inst);
 822     rspPst.event = EVENT_UE_DELETE_RSP_TO_MAC;
 823     SchUeDeleteRspOpts[rspPst.selector](&rspPst, &delRsp);
 824 }
 825
 826 /*******************************************************************
 827 *
 828 * @brief Function to delete Sch Pucch ResrcCfg
 829 *
 830 * @details
 831 *
 832 *    Function : deleteSchPucchResrcCfg
 833 *
 834 *    Functionality: Function to delete Sch Pucch ResrcCfg
 835 *
 836 * @params[in] SchPucchResrcCfg *resrc
 837 * @return void
 838 *
 839 * ****************************************************************/
 840
 841 void deleteSchPucchResrcCfg(SchPucchResrcCfg *resrc)
 842 {
 843    uint8_t rsrcIdx=0;
 844    for(rsrcIdx=0; rsrcIdx < resrc->resrcToAddModListCount; rsrcIdx++)
 845    {
 846       switch(resrc->resrcToAddModList[rsrcIdx].pucchFormat)
 847       {
 848          case PUCCH_FORMAT_0:
 849          {
 850             SCH_FREE(resrc->resrcToAddModList[rsrcIdx].SchPucchFormat.format0,\
 851             sizeof(SchPucchFormat0));
 852             break;
 853          }
 854          case PUCCH_FORMAT_1:
 855          {
 856             SCH_FREE(resrc->resrcToAddModList[rsrcIdx].SchPucchFormat.format1,\
 857             sizeof(SchPucchFormat1));
 858             break;
 859          }
 860          case PUCCH_FORMAT_2:
 861          {
 862             SCH_FREE(resrc->resrcToAddModList[rsrcIdx].SchPucchFormat.format2,\
 863             sizeof(SchPucchFormat2_3));
 864             break;
 865          }
 866          case PUCCH_FORMAT_3:
 867          {
 868             SCH_FREE(resrc->resrcToAddModList[rsrcIdx].SchPucchFormat.format3,\
 869             sizeof(SchPucchFormat2_3));
 870             break;
 871          }
 872          case PUCCH_FORMAT_4:
 873          {
 874             SCH_FREE(resrc->resrcToAddModList[rsrcIdx].SchPucchFormat.format4,\
 875             sizeof(SchPucchFormat4));
 876             break;
 877          }
 878       }
 879    }
 880 }
 881
 882 /*******************************************************************
 883 *
 884 * @brief Function to delete SCH Pdsch ServCellCfg
 885 *
 886 * @details
 887 *
 888 *    Function : deleteSchPdschServCellCfg
 889 *
 890 *    Functionality: Function to delete SCH Pdsch ServCellCfg
 891 *
 892 * @params[in] SchPdschServCellCfg *pdschServCellCfg
 893 * @return void
 894 *
 895 * ****************************************************************/
 896
 897 void deleteSchPdschServCellCfg(SchPdschServCellCfg *pdschServCellCfg)
 898 {
 899    SCH_FREE(pdschServCellCfg->maxMimoLayers, sizeof(uint8_t));
 900    SCH_FREE(pdschServCellCfg->maxCodeBlkGrpPerTb, sizeof(SchMaxCodeBlkGrpPerTB));
 901    SCH_FREE(pdschServCellCfg->codeBlkGrpFlushInd, sizeof(bool));
 902    SCH_FREE(pdschServCellCfg->xOverhead, sizeof(SchPdschXOverhead));
 903 }
 904
 905 /*******************************************************************
 906 *
 907 * @brief Function to  delete SCH UeCb
 908 *
 909 * @details
 910 *
 911 *    Function : deleteSchUeCb
 912 *
 913 *    Functionality: Function to delete SCH UeCb
 914 *
 915 * @params[in]
 916 * @return ROK     - success
 917 *         RFAILED - failure
 918 *
 919 * ****************************************************************/
 920 void deleteSchUeCb(SchUeCb *ueCb)
 921 {
 922    uint8_t timeDomRsrcIdx = 0, ueLcIdx = 0;
 923    SchPucchCfg *pucchCfg = NULLP;
 924    SchPdschConfig *pdschCfg = NULLP;
 925    CmLListCp *lcLL  = NULLP;
 926
 927    if(ueCb)
 928    {
 929       SCH_FREE(ueCb->ueCfg.ambrCfg, sizeof(SchAmbrCfg));
 930       if(ueCb->ueCfg.spCellCfgPres)
 931       {
 932          if(ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.pdschCfgPres == true)
 933          {
 934             pdschCfg = &ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.pdschCfg;
 935             for(timeDomRsrcIdx = 0; timeDomRsrcIdx < pdschCfg->numTimeDomRsrcAlloc; timeDomRsrcIdx++)
 936                SCH_FREE(pdschCfg->timeDomRsrcAllociList[timeDomRsrcIdx].k0, sizeof(uint8_t));
 937          }
 938
 939          if(ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfgPres == true)
 940          {
 941             pucchCfg = &ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfg;
 942             SCH_FREE(pucchCfg->resrcSet,sizeof(SchPucchResrcSetCfg));
 943             if(pucchCfg->resrc)
 944             {
 945                deleteSchPucchResrcCfg(pucchCfg->resrc);
 946                SCH_FREE(pucchCfg->resrc, sizeof(SchPucchResrcCfg));
 947             }
 948             SCH_FREE(pucchCfg->format1, sizeof(SchPucchFormatCfg));
 949             SCH_FREE(pucchCfg->format2, sizeof(SchPucchFormatCfg));
 950             SCH_FREE(pucchCfg->format3, sizeof(SchPucchFormatCfg));
 951             SCH_FREE(pucchCfg->format4, sizeof(SchPucchFormatCfg));
 952             SCH_FREE(pucchCfg->schedReq, sizeof(SchPucchSchedReqCfg));
 953             SCH_FREE(pucchCfg->multiCsiCfg, sizeof(SchPucchMultiCsiCfg));
 954             SCH_FREE(pucchCfg->spatialInfo, sizeof(SchPucchSpatialCfg));
 955             SCH_FREE(pucchCfg->dlDataToUlAck, sizeof(SchPucchDlDataToUlAck));
 956             SCH_FREE(pucchCfg->powerControl,sizeof(SchPucchPowerControl));
 957          }
 958          SCH_FREE(ueCb->ueCfg.spCellCfg.servCellCfg.bwpInactivityTmr, sizeof(uint8_t));
 959          deleteSchPdschServCellCfg(&ueCb->ueCfg.spCellCfg.servCellCfg.pdschServCellCfg);
 960       }
 961       /*Need to Free the memory allocated for S-NSSAI*/
 962       for(ueLcIdx = 0; ueLcIdx < MAX_NUM_LC; ueLcIdx++)
 963       {
 964          SCH_FREE(ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai, sizeof(Snssai));
 965          SCH_FREE(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai, sizeof(Snssai));
 966       }
 967
 968       /*Clearing out Dedicated LC list*/
 969       if(ueCb->dlLcPrbEst.dedLcInfo != NULLP)
 970       {
 971          lcLL = &(ueCb->dlLcPrbEst.dedLcInfo->dedLcList);
 972          deleteLcLL(lcLL);
 973          SCH_FREE(ueCb->dlLcPrbEst.dedLcInfo, sizeof(DedicatedLCInfo));
 974       }
 975       if(ueCb->ulLcPrbEst.dedLcInfo != NULLP)
 976       {
 977          lcLL = &(ueCb->ulLcPrbEst.dedLcInfo->dedLcList);
 978          deleteLcLL(lcLL);
 979          SCH_FREE(ueCb->ulLcPrbEst.dedLcInfo, sizeof(DedicatedLCInfo));
 980       }
 981       /*Deleteing the Default LC list*/
 982       lcLL = &(ueCb->dlLcPrbEst.defLcList);
 983       deleteLcLL(lcLL);
 984
 985       lcLL = &(ueCb->ulLcPrbEst.defLcList);
 986       deleteLcLL(lcLL);
 987
 988       memset(ueCb, 0, sizeof(SchUeCb));
 989    }
 990 }
 991
 992 /*******************************************************************
 993 *
 994 * @brief Function for Ue Delete request from MAC to SCH
 995 *
 996 * @details
 997 *
 998 *    Function : MacSchUeDeleteReq
 999 *
1000 *    Functionality: Function for Ue Delete request from MAC to SCH
1001 *
1002 * @params[in] Pst *pst, SchUeDelete  *ueDelete
1003 * @return ROK     - success
1004 *         RFAILED - failure
1005 *
1006 * ****************************************************************/
1007 uint8_t MacSchUeDeleteReq(Pst *pst, SchUeDelete  *ueDelete)
1008 {
1009     uint8_t      idx=0, ueId=0, ueIdToDel=0, ret=ROK;
1010     ErrorCause   result;
1011     SchCellCb    *cellCb = NULLP;
1012     Inst         inst = pst->dstInst - SCH_INST_START;
1013     CmLList      *node = NULL, *next = NULL;
1014
1015 #ifdef CALL_FLOW_DEBUG_LOG
1016     DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_UE_DELETE_REQ_TO_SCH\n");
1017 #endif
1018
1019     if(!ueDelete)
1020     {
1021        DU_LOG("\nERROR  -->  SCH : MacSchUeDeleteReq(): Ue Delete request failed");
1022        ret = RFAILED;
1023     }
1024     DU_LOG("\nDEBUG  -->  SCH : Ue Delete request received for crnti[%d]", ueDelete->crnti);
1025
1026     cellCb = schCb[inst].cells[idx];
1027
1028     if(cellCb->cellId != ueDelete->cellId)
1029     {
1030        DU_LOG("\nERROR  -->  SCH : MacSchUeDeleteReq(): cell Id is not available");
1031        result =  INVALID_CELLID;
1032     }
1033     else
1034     {
1035        GET_UE_ID(ueDelete->crnti, ueId);
1036        if(( cellCb->ueCb[ueId-1].crnti == ueDelete->crnti) && ( cellCb->ueCb[ueId-1].state == SCH_UE_STATE_ACTIVE))
1037        {
1038           deleteSchUeCb(&cellCb->ueCb[ueId-1]);
1039           ueIdToDel  = ueId;
1040           /* Remove UE from ueToBeScheduled list */
1041           node = cellCb->ueToBeScheduled.first;
1042           while(node)
1043           {
1044              next = node->next;
1045              ueId = *(uint8_t *)node->node;
1046              if(ueId == ueIdToDel)
1047              {
1048                 SCH_FREE(node->node, sizeof(uint8_t));
1049                 deleteNodeFromLList(&cellCb->ueToBeScheduled, node);
1050                 break;
1051              }
1052              node = next;
1053           }
1054           cellCb->numActvUe--;
1055           result = NOT_APPLICABLE;
1056        }
1057        else
1058        {
1059           DU_LOG("\nERROR  -->  SCH : MacSchUeDeleteReq(): SchUeCb not found");
1060           result =  INVALID_UEID;
1061        }
1062     }
1063
1064     if(result == NOT_APPLICABLE)
1065     {
1066        SchSendUeDeleteRspToMac(inst, ueDelete, RSP_OK, result);
1067     }
1068     else
1069     {
1070        SchSendUeDeleteRspToMac(inst, ueDelete, RSP_NOK, result);
1071        ret = RFAILED;
1072     }
1073     return ret;
1074 }
1075
1076 /*******************************************************************
1077  *
1078  * @brief Fill and send Cell delete response to MAC
1079  *
1080  * @details
1081  *
1082  *    Function :  SchSendCellDeleteRspToMac
1083  *
1084  *    Functionality: Fill and send Cell delete response to MAC
1085  *
1086  * @params[in] SchCellDelete  *ueDelete, Inst inst, SchMacRsp result
1087  * @return ROK     - success
1088  *         RFAILED - failure
1089  *
1090  * ****************************************************************/
1091 uint8_t SchSendCellDeleteRspToMac(SchCellDelete  *ueDelete, Inst inst, SchMacRsp result)
1092 {
1093    Pst rspPst;
1094    uint8_t ret=0;
1095
1096    SchCellDeleteRsp  delRsp;
1097
1098    DU_LOG("\nINFO   --> SCH : Filling Cell Delete response");
1099    memset(&delRsp, 0, sizeof(SchCellDeleteRsp));
1100    delRsp.cellId = ueDelete->cellId;
1101    delRsp.rsp = result;
1102
1103    /* Filling response post */
1104    memset(&rspPst, 0, sizeof(Pst));
1105    FILL_PST_SCH_TO_MAC(rspPst, inst);
1106    rspPst.event = EVENT_CELL_DELETE_RSP_TO_MAC;
1107    ret =  SchCellDeleteRspOpts[rspPst.selector](&rspPst, &delRsp);
1108    if(ret == RFAILED)
1109    {
1110       DU_LOG("\nERROR  -->  SCH : SchSendCellDeleteRspToMac(): failed to send the Cell Delete response");
1111       return ret;
1112    }
1113    return ret;
1114 }
1115
1116 /*******************************************************************
1117  *
1118  * @brief Function for cellCb Deletion
1119  *
1120  * @details
1121  *
1122  *    Function : deleteSchCellCb
1123  *
1124  *    Functionality: Function for cellCb Deletion
1125  *
1126  * @params[in] SchCellDelete  *cellDelete
1127  * @return ROK     - success
1128  *         RFAILED - failure
1129  *
1130  * ****************************************************************/
1131 void deleteSchCellCb(SchCellCb *cellCb)
1132 {
1133    uint8_t sliceIdx=0, slotIdx=0;
1134    CmLListCp *list=NULL;
1135    CmLList *node=NULL, *next=NULL;
1136
1137    if(cellCb->schDlSlotInfo)
1138    {
1139       for(slotIdx=0; slotIdx<cellCb->numSlots; slotIdx++)
1140       {
1141          list = &cellCb->schDlSlotInfo[slotIdx]->prbAlloc.freePrbBlockList;
1142          node = list->first;
1143          while(node)
1144          {
1145             next = node->next;
1146             SCH_FREE(node->node, sizeof(FreePrbBlock));
1147             deleteNodeFromLList(list, node);
1148             node = next;
1149          }
1150          SCH_FREE(cellCb->schDlSlotInfo[slotIdx], sizeof(SchDlSlotInfo));
1151       }
1152       SCH_FREE(cellCb->schDlSlotInfo, cellCb->numSlots *sizeof(SchDlSlotInfo*));
1153    }
1154
1155    if(cellCb->schUlSlotInfo)
1156    {
1157       for(slotIdx=0; slotIdx<cellCb->numSlots; slotIdx++)
1158       {
1159          list = &cellCb->schUlSlotInfo[slotIdx]->prbAlloc.freePrbBlockList;
1160          node = list->first;
1161          while(node)
1162          {
1163             next = node->next;
1164             SCH_FREE(node->node, sizeof(FreePrbBlock));
1165             deleteNodeFromLList(list, node);
1166             node = next;
1167          }
1168          SCH_FREE(cellCb->schUlSlotInfo[slotIdx], sizeof(SchUlSlotInfo));
1169       }
1170       SCH_FREE(cellCb->schUlSlotInfo,  cellCb->numSlots * sizeof(SchUlSlotInfo*));
1171    }
1172
1173    if(cellCb->cellCfg.plmnInfoList.snssai)
1174    {
1175       for(sliceIdx=0; sliceIdx<cellCb->cellCfg.plmnInfoList.numSliceSupport; sliceIdx++)
1176       {
1177          SCH_FREE(cellCb->cellCfg.plmnInfoList.snssai[sliceIdx], sizeof(Snssai));
1178       }
1179       SCH_FREE(cellCb->cellCfg.plmnInfoList.snssai, cellCb->cellCfg.plmnInfoList.numSliceSupport*sizeof(Snssai*));
1180    }
1181
1182    /* Remove all UE from ueToBeScheduled list and deallocate */
1183    node = cellCb->ueToBeScheduled.first;
1184    while(node)
1185    {
1186       next = node->next;
1187       SCH_FREE(node->node, sizeof(uint8_t));
1188       cmLListDelFrm(&cellCb->ueToBeScheduled, node);
1189       SCH_FREE(node, sizeof(CmLList));
1190       node = next;
1191    }
1192
1193    memset(cellCb, 0, sizeof(SchCellCb));
1194
1195 }
1196
1197 /*******************************************************************
1198  *
1199  * @brief Function for cell Delete request from MAC to SCH
1200  *
1201  * @details
1202  *
1203  *    Function : MacSchCellDeleteReq
1204  *
1205  *    Functionality: Function for cell Delete request from MAC to SCH
1206  *
1207  * @params[in] Pst *pst, SchCellDelete  *cellDelete
1208  * @return ROK     - success
1209  *         RFAILED - failure
1210  *
1211  * ****************************************************************/
1212
1213 uint8_t MacSchCellDeleteReq(Pst *pst, SchCellDelete  *cellDelete)
1214 {
1215    uint8_t   cellIdx=0, ret = RFAILED;
1216    Inst      inst = pst->dstInst - SCH_INST_START;
1217    SchMacRsp result= RSP_OK;
1218
1219 #ifdef CALL_FLOW_DEBUG_LOG
1220    DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_CELL_DELETE_REQ_TO_SCH\n");
1221 #endif
1222
1223    if(!cellDelete)
1224    {
1225       DU_LOG("\nERROR  -->  SCH : MacSchCellDeleteReq(): Ue Delete request failed");
1226    }
1227    else
1228    {
1229       GET_CELL_IDX(cellDelete->cellId, cellIdx);
1230       if(schCb[inst].cells[cellIdx] == NULLP)
1231       {
1232          DU_LOG("\nERROR  -->  SCH : MacSchCellDeleteReq(): cell Id[%d] is not available", cellDelete->cellId);
1233          result = RSP_NOK;
1234       }
1235       else
1236       {
1237          if(schCb[inst].cells[cellIdx]->cellId == cellDelete->cellId)
1238          {
1239             deleteSchCellCb(schCb[inst].cells[cellIdx]);
1240             result = RSP_OK;
1241             ret = ROK;
1242             SCH_FREE(schCb[inst].cells[cellIdx], sizeof(SchCellCb));
1243             DU_LOG("\nINFO   -->  SCH : Sending Cell Delete response to MAC");
1244          }
1245          else
1246          {
1247             DU_LOG("\nERROR  -->  SCH : MacSchCellDeleteReq(): cell Id[%d] is not available",cellDelete->cellId);
1248             result = RSP_NOK;
1249          }
1250       }
1251
1252       if(SchSendCellDeleteRspToMac(cellDelete, inst, result)!=ROK)
1253       {
1254          DU_LOG("\nERROR  -->  SCH : MacSchCellDeleteReq(): failed to send Cell Delete response");
1255          ret =  RFAILED;
1256       }
1257
1258    }
1259    return ret;
1260 }
1261
1262 /**********************************************************************
1263   End of file
1264  **********************************************************************/