src/du_app/du_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 DU APP */
  19 #include "common_def.h"
  20 #include "lrg.h"
  21 #include "lrg.x"
  22 #include "lkw.x"
  23 #include "legtp.h"
  24 #include "du_cfg.h"
  25 #include "du_ue_mgr.h"
  26 #include<ProtocolIE-Field.h>
  27 #include "F1AP-PDU.h"
  28
  29 #ifdef EGTP_TEST
  30 U32 sduId = 0;
  31 #endif
  32
  33 DuMacDlCcchInd packMacDlCcchIndOpts[] =
  34 {
  35    packMacDlCcchInd,   /* Loose coupling */
  36    MacHdlDlCcchInd,    /* TIght coupling */
  37    packMacDlCcchInd    /* Light weight-loose coupling */
  38 };
  39
  40 DuMacUeCreateReq packMacUeCreateReqOpts[] =
  41 {
  42    packDuMacUeCreateReq,       /* Loose coupling */
  43    MacHdlUeCreateReq,          /* TIght coupling */
  44    packDuMacUeCreateReq,       /* Light weight-loose coupling */
  45 };
  46
  47 /******************************************************************
  48  *
  49  * @brief Send UE configuration to RLC
  50  *
  51  * @details
  52  *
  53  *    Function : duSendUeCreateReqToRlc
  54  *
  55  *    Functionality: Send UeCreateReqToRlc
  56  *
  57  * @return ROK     - success
  58  *         RFAILED - failure
  59  *
  60  * ****************************************************************/
  61 S16 duSendUeCreateReqToRlc()
  62 {
  63    U8  idx;
  64    Pst pst;
  65    CkwCfgInfo *ueCfg;
  66
  67    DU_SET_ZERO(&ueCfg, sizeof(ueCfg));
  68    DU_SET_ZERO(&pst, sizeof(Pst));
  69
  70    DU_ALLOC(ueCfg, sizeof(CkwCfgInfo));
  71
  72 #ifdef EGTP_TEST
  73    ueCfg->ueId = UE_ID;
  74 #endif
  75    ueCfg->cellId = NR_CELL_ID;
  76    ueCfg->numEnt = 1;
  77
  78    for(idx = 0; idx < ueCfg->numEnt; idx++)
  79    {
  80 #ifdef EGTP_TEST
  81       ueCfg->entCfg[idx].rbId           = RB_ID;
  82       ueCfg->entCfg[idx].rbType         = CM_LTE_DRB;
  83       ueCfg->entCfg[idx].lCh[0].lChId   = LC_ID;
  84       ueCfg->entCfg[idx].lCh[0].type    = CM_LTE_LCH_DTCH;
  85 #endif
  86       ueCfg->entCfg[idx].entMode        = CM_LTE_MODE_UM;
  87       ueCfg->entCfg[idx].dir            = CKW_CFG_DIR_BOTH;
  88       switch(ueCfg->entCfg[idx].entMode)
  89       {
  90          case CM_LTE_MODE_TM:
  91          {
  92             break;
  93          }
  94
  95          case CM_LTE_MODE_UM:
  96          {
  97             ueCfg->entCfg[idx].m.umInfo.dl.snLen = 1;      /* For 12 bit SN */
  98             ueCfg->entCfg[idx].m.umInfo.ul.snLen = 1;      /* For 12 bit SN */
  99             ueCfg->entCfg[idx].m.umInfo.ul.reOrdTmr = 10;  /* in msec */
 100             break;
 101          }
 102
 103          case CM_LTE_MODE_AM:
 104          {
 105             break;
 106          }
 107
 108          default:
 109             break;
 110       } /* End of switch(entMode) */
 111    } /* End of entity configuration for loop */
 112
 113    /* Fill Pst */
 114    pst.selector  = ODU_SELECTOR_LWLC;
 115    pst.srcEnt    = ENTDUAPP;
 116    pst.dstEnt    = ENTKW;
 117    pst.dstInst   = RLC_UL_INST;
 118    pst.dstProcId = DU_PROC;
 119    pst.srcProcId = DU_PROC;
 120    pst.region    = duCb.init.region;
 121
 122    /* Sending to RLC */
 123    packUeCreateReq(&pst, ueCfg);
 124
 125    RETVALUE(ROK);
 126 } /* End of duSendUeCreateReqToRlc */
 127
 128 /*******************************************************************
 129  *
 130  * @brief Handles EGTP data from CU
 131  *
 132  * @details
 133  *
 134  *    Function : duHdlEgtpData
 135  *
 136  *    Functionality:
 137  *      Processes EGTP header and sends data to RLC
 138  *
 139  * @params[in]  Pointer to EGTP Message
 140  * @return ROK     - success
 141  *         RFAILED - failure
 142  *
 143  * ****************************************************************/
 144 S16 duHdlEgtpDlData(EgtpMsg  *egtpMsg)
 145 {
 146    /* TODO : Extract RbId/UeID/CellID/SduId from database
 147       using tunnel id in egtp header */
 148
 149    DU_LOG("\nDU_APP : Processing DL data");
 150
 151    Pst pst;
 152    KwuDatReqInfo datReqInfo;
 153
 154 #ifdef EGTP_TEST
 155    datReqInfo.rlcId.rbId = RB_ID;
 156    datReqInfo.rlcId.rbType = CM_LTE_DRB;
 157    datReqInfo.rlcId.ueId = UE_ID;
 158    datReqInfo.rlcId.cellId = NR_CELL_ID;
 159
 160    datReqInfo.sduId = ++sduId;
 161    datReqInfo.lcType = CM_LTE_LCH_DTCH;
 162 #endif
 163    /* Filling pst and Sending to RLC DL */
 164    pst.selector  = ODU_SELECTOR_LWLC;
 165    pst.srcEnt    = ENTDUAPP;
 166    pst.dstEnt    = ENTKW;
 167    pst.dstInst   = RLC_DL_INST;
 168    pst.dstProcId = DU_PROC;
 169    pst.srcProcId = DU_PROC;
 170    pst.region    = duCb.init.region;
 171
 172    cmPkKwuDatReq(&pst, &datReqInfo, egtpMsg->msg);
 173    return ROK;
 174 }
 175
 176 /*******************************************************************
 177  *
 178  * @brief Handles UL data and send to CU
 179  *
 180  * @details
 181  *
 182  *    Function : duHdlRlcUlData
 183  *
 184  *    Functionality:
 185  *     Processes UL Data from RLC and sends to CU
 186  *
 187  *  @params[in]  Pointer to EGTP Message
 188  *  @return ROK     - success
 189  *          RFAILED - failure
 190  *
 191  *****************************************************************/
 192
 193 PUBLIC S16 duHdlRlcUlData(Pst *pst, KwuDatIndInfo* datInd, Buffer *mBuf)
 194 {
 195    DU_LOG("\nDU_APP : Received UL Data at DU_APP");
 196
 197    /* Send UL data to CU via EGTP */
 198    duSendEgtpDatInd(mBuf);
 199    SPutMsg(mBuf);
 200
 201    return ROK;
 202 }
 203
 204 /******************************************************************
 205 *
 206 * @brief Builds and Sends DL CCCH Ind to MAC
 207 *
 208 * @details
 209 *
 210 *    Function : duBuildAndSendDlCcchInd
 211 *
 212 *    Functionality: Builds and sends DL CCCH Ind Msg to MAC
 213 *
 214 * @params[in] dlCcchMsg - uint8_t*
 215 * @return ROK     - success
 216 *         RFAILED - failure
 217 *
 218 * ****************************************************************/
 219 uint8_t duBuildAndSendDlCcchInd(uint16_t cellId, uint16_t crnti, \
 220   DlCcchMsgType msgType, uint8_t *dlCcchMsg, uint16_t dlCcchMsgSize)
 221 {
 222         uint8_t ret                  = ROK;
 223         uint16_t idx2;
 224    DlCcchIndInfo *dlCcchIndInfo = NULLP;
 225    Pst pst;
 226
 227         memset(&pst, 0, sizeof(Pst));
 228    DU_LOG("\nDU APP : Building and Sending DL CCCH Ind to MAC");
 229
 230         DU_ALLOC_SHRABL_BUF(dlCcchIndInfo, sizeof(DlCcchIndInfo));
 231
 232    if(!dlCcchIndInfo)
 233    {
 234                 DU_LOG("\nDU APP : Memory alloc failed while building DL CCCH Ind");
 235                 return RFAILED;
 236         }
 237
 238         dlCcchIndInfo->cellId = cellId;
 239         dlCcchIndInfo->crnti = crnti;
 240         dlCcchIndInfo->msgType = msgType;
 241         dlCcchIndInfo->dlCcchMsgLen = dlCcchMsgSize;
 242
 243         DU_ALLOC_SHRABL_BUF(dlCcchIndInfo->dlCcchMsg, dlCcchIndInfo->dlCcchMsgLen);
 244         if(!dlCcchIndInfo->dlCcchMsg)
 245    {
 246                 DU_LOG("\nDU APP : Memory alloc failed while building DL CCCH Ind");
 247                 DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, dlCcchIndInfo, sizeof(DlCcchIndInfo));
 248                 return RFAILED;
 249         }
 250         for(idx2 = 0; idx2 < dlCcchIndInfo->dlCcchMsgLen; idx2++)
 251         {
 252            dlCcchIndInfo->dlCcchMsg[idx2] = dlCcchMsg[idx2];
 253         }
 254         DU_FREE(dlCcchMsg, dlCcchMsgSize);
 255
 256         /* Fill Pst */
 257         pst.selector  = ODU_SELECTOR_LWLC;
 258         pst.srcEnt    = ENTDUAPP;
 259         pst.dstEnt    = ENTRG;
 260         pst.dstInst   = 0;
 261         pst.srcInst   = 0;
 262         pst.dstProcId = DU_PROC;
 263         pst.srcProcId = DU_PROC;
 264         pst.region    = DU_APP_MEM_REGION;
 265         pst.pool      = DU_POOL;
 266         pst.event     = EVENT_MAC_DL_CCCH_IND;
 267
 268    ret = (*packMacDlCcchIndOpts[pst.selector])(&pst, dlCcchIndInfo);
 269         if(ret != ROK)
 270         {
 271       DU_LOG("\nDU_APP : Failure in sending DL CCCH to MAC");
 272                 DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, dlCcchIndInfo->dlCcchMsg,\
 273                   dlCcchIndInfo->dlCcchMsgLen);
 274                 DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, dlCcchIndInfo, \
 275                   sizeof(DlCcchIndInfo));
 276       ret = RFAILED;
 277         }
 278
 279         return ret;
 280
 281 }
 282
 283 /******************************************************************
 284 *
 285 * @brief Processes DL RRC Message Transfer  sent by CU
 286 *
 287 * @details
 288 *
 289 *    Function : procDlRrcMsgTrans
 290 *
 291 *    Functionality: Processes DL RRC Message Transfer sent by CU
 292 *
 293 * @params[in] F1AP_PDU_t ASN decoded F1AP message
 294 * @return ROK     - success
 295 *         RFAILED - failure
 296 *
 297 * ****************************************************************/
 298 uint8_t procDlRrcMsgTrans(F1AP_PDU_t *f1apMsg)
 299 {
 300         DLRRCMessageTransfer_t *dlRrcMsg = NULLP;
 301         uint8_t                *dlCcchMsg = NULLP;
 302         uint8_t                idx, ret, srbId;
 303         uint16_t               idx2, crnti, cellId, dlCcchMsgSize;
 304         uint32_t               gnbCuUeF1apId, gnbDuUeF1apId;
 305
 306
 307         DU_LOG("\nDU_APP : DL RRC message transfer Recevied");
 308         dlRrcMsg = &f1apMsg->choice.initiatingMessage->value.choice.DLRRCMessageTransfer;
 309
 310         ret = ROK;
 311
 312         for(idx=0; idx<dlRrcMsg->protocolIEs.list.count; idx++)
 313         {
 314                 switch(dlRrcMsg->protocolIEs.list.array[idx]->id)
 315                 {
 316                         case ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID:
 317                                 {
 318                                         gnbCuUeF1apId = dlRrcMsg->protocolIEs.list.array[idx]->value.choice.GNB_CU_UE_F1AP_ID;
 319                                         break;
 320                                 }
 321                         case ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID:
 322                                 {
 323                                         gnbDuUeF1apId = dlRrcMsg->protocolIEs.list.array[idx]->value.choice.GNB_DU_UE_F1AP_ID;
 324                                         break;
 325                                 }
 326                         case ProtocolIE_ID_id_SRBID:
 327                                 {
 328                                         srbId = dlRrcMsg->protocolIEs.list.array[idx]->value.choice.SRBID;
 329                                         break;
 330                                 }
 331         case ProtocolIE_ID_id_ExecuteDuplication:
 332                                         break;
 333
 334                         case ProtocolIE_ID_id_RRCContainer:
 335                                 {
 336                                    if(dlRrcMsg->protocolIEs.list.array[idx]->value.choice.RRCContainer.size > 0)
 337                                         {
 338                                       dlCcchMsgSize = dlRrcMsg->protocolIEs.list.array[idx]->value.choice.RRCContainer.size;
 339                                       DU_ALLOC(dlCcchMsg, dlCcchMsgSize);
 340                                            for(idx2 = 0; idx2 < dlCcchMsgSize; idx2++)
 341                                            {
 342                                               dlCcchMsg[idx2] = \
 343                                                  dlRrcMsg->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf[idx2];
 344                                            }
 345                                         }
 346                                         else
 347                                         {
 348                                       DU_LOG("\nDU_APP : RRC Container Size is invalid:%ld",\
 349                                                  dlRrcMsg->protocolIEs.list.array[idx]->value.choice.RRCContainer.size);
 350                                         }
 351                                         break;
 352                                 }
 353
 354                         default:
 355                                 DU_LOG("\nDU_APP : Invalid IE received in DL RRC Msg Transfer:%ld",
 356                                                 dlRrcMsg->protocolIEs.list.array[idx]->id);
 357                 }
 358         }
 359
 360    for(idx=0; idx<duCb.numUe; idx++)
 361         {
 362       if(gnbDuUeF1apId == duCb.ueCcchCtxt[idx].gnbDuUeF1apId)
 363                 {
 364                    crnti  = duCb.ueCcchCtxt[idx].crnti;
 365                         cellId = duCb.ueCcchCtxt[idx].cellId;
 366                         break;
 367                 }
 368         }
 369         if(srbId == SRB_ID_1) //RRC connection setup
 370         {
 371                 ret = duBuildAndSendDlCcchInd(cellId, crnti, RRC_SETUP, dlCcchMsg, dlCcchMsgSize);
 372       if(ret)
 373       {
 374          DU_LOG("\nDU_APP: Falied at duBuildAndSendDlCcchInd()");
 375       }
 376       else
 377       {
 378                    if(duCb.actvCellLst[cellId-1]->numActvUes < DU_MAX_UE)
 379                         {
 380              ret = duCreateUeCb(&duCb.ueCcchCtxt[idx], gnbCuUeF1apId);
 381                                  if(ret)
 382                                  {
 383                 DU_LOG("\nDU_APP: Failed at duCreateUeCb for cellId [%d]", duCb.ueCcchCtxt[idx].cellId);
 384                                          ret = RFAILED;
 385                                  }
 386                         }
 387                         else
 388                         {
 389             DU_LOG("\nDU_APP: Max Active UEs has reached");
 390                            ret = RFAILED;
 391                         }
 392       }
 393    }
 394         return ret;
 395 }
 396
 397 /******************************************************************
 398  *
 399  * @brief Generates GNB DU Ue F1AP ID
 400  *
 401  * @details
 402  *
 403  *    Function : genGnbDuUeF1apId
 404  *
 405  *    Functionality: Generates GNB DU Ue F1AP ID
 406  *
 407  * @params[in] void
 408  * @return gnbDuF1apId
 409  *
 410  * ****************************************************************/
 411 uint32_t genGnbDuUeF1apId()
 412 {
 413         static uint32_t gnbDuUeF1apId = 0;
 414
 415         return ++gnbDuUeF1apId;
 416 }
 417
 418 /******************************************************************
 419  *
 420  * @brief Processes UL CCCH Ind recvd from MAC
 421  *
 422  * @details
 423  *
 424  *    Function : duProcUlCcchInd
 425  *
 426  *    Functionality: Processes UL CCCH Ind recvd from MAC
 427  *
 428  * @params[in] UlCcchIndInfo *ulCcchIndInfo
 429  * @return ROK     - success
 430  *         RFAILED - failure
 431  *
 432  * ****************************************************************/
 433 uint8_t duProcUlCcchInd(UlCcchIndInfo *ulCcchIndInfo)
 434 {
 435
 436    uint8_t ret = ROK;
 437         uint32_t gnbDuUeF1apId = 0;
 438
 439         gnbDuUeF1apId = genGnbDuUeF1apId();
 440
 441         /* Store Ue mapping */
 442         duCb.ueCcchCtxt[duCb.numUe].gnbDuUeF1apId = gnbDuUeF1apId;
 443         duCb.ueCcchCtxt[duCb.numUe].crnti         = ulCcchIndInfo->crnti;
 444         duCb.ueCcchCtxt[duCb.numUe].cellId        = ulCcchIndInfo->cellId;
 445
 446         duCb.numUe++;
 447
 448    ret = (BuildAndSendInitialRrcMsgTransfer(gnbDuUeF1apId, ulCcchIndInfo->crnti,
 449                                 ulCcchIndInfo->ulCcchMsg));
 450         if(ret != ROK)
 451         {
 452       DU_LOG("\nDU_APP : BuildAndSendInitialRrcMsgTransfer failed");
 453         }
 454
 455    DU_FREE_SHRABL_BUF(MAC_MEM_REGION, RG_POOL, ulCcchIndInfo->ulCcchMsg, strlen((const char*)ulCcchIndInfo->ulCcchMsg));
 456    DU_FREE_SHRABL_BUF(MAC_MEM_REGION, RG_POOL, ulCcchIndInfo, sizeof(UlCcchIndInfo));
 457
 458         return ret;
 459
 460 }
 461
 462 /******************************************************************
 463  *
 464  * @brief Fills Initial DL Bandwidth Part
 465  *
 466  * @details
 467  *
 468  *    Function : fillInitDlBwp
 469  *
 470  *    Functionality: Fills Initial DL Bandwidth Part
 471  *
 472  *
 473  *****************************************************************/
 474 void fillInitDlBwp(InitialDlBwp *initDlBwp)
 475 {
 476    uint8_t idx = 0;
 477
 478    if(initDlBwp)
 479    {
 480       /* Filling PDCCH Config */
 481            initDlBwp->pdcchPresent = TRUE;
 482                 if(initDlBwp->pdcchPresent)
 483                 {
 484          initDlBwp->pdcchCfg.numCRsetToAddMod = PDCCH_CTRL_RSRC_SET_ONE_ID;
 485          memset(initDlBwp->pdcchCfg.cRSetToAddModList, 0, MAX_NUM_CRSET);
 486          if(initDlBwp->pdcchCfg.numCRsetToAddMod <= MAX_NUM_CRSET)
 487          {
 488             initDlBwp->pdcchCfg.cRSetToAddModList[idx].cRSetId = \
 489              PDCCH_CTRL_RSRC_SET_ONE_ID;
 490             memset(initDlBwp->pdcchCfg.cRSetToAddModList[idx].freqDomainRsrc, 0,\
 491              FREQ_DOM_RSRC_SIZE);
 492             initDlBwp->pdcchCfg.cRSetToAddModList[idx].freqDomainRsrc[idx] =\
 493              PDCCH_FREQ_DOM_RSRC;
 494             initDlBwp->pdcchCfg.cRSetToAddModList[idx].duration = \
 495              PDCCH_CTRL_RSRC_SET_ONE_DURATION;
 496             initDlBwp->pdcchCfg.cRSetToAddModList[idx].cceRegMappingType = \
 497              CCE_REG_MAPPINGTYPE_PR_NONINTERLEAVED;
 498             initDlBwp->pdcchCfg.cRSetToAddModList[idx].precoderGranularity = \
 499              ALL_CONTIGUOUS_RBS;
 500             initDlBwp->pdcchCfg.cRSetToAddModList[idx].dmrsScramblingId = \
 501              SCRAMBLING_ID;
 502          }
 503          initDlBwp->pdcchCfg.numCRsetToRel = 0;
 504          /* Filling Serach Space */
 505          initDlBwp->pdcchCfg.numSearchSpcToAddMod = PDCCH_CTRL_RSRC_SET_ONE_ID;
 506          memset(initDlBwp->pdcchCfg.searchSpcToAddModList, 0, MAX_NUM_CRSET);
 507          if(initDlBwp->pdcchCfg.numSearchSpcToAddMod <= MAX_NUM_CRSET)
 508          {
 509             initDlBwp->pdcchCfg.searchSpcToAddModList[idx].searchSpaceId =\
 510              PDCCH_SRCH_SPC_TWO_ID;
 511             initDlBwp->pdcchCfg.searchSpcToAddModList[idx].cRSetId = \
 512              PDCCH_CTRL_RSRC_SET_ONE_ID;
 513             initDlBwp->pdcchCfg.searchSpcToAddModList[idx].\
 514              mSlotPeriodicityAndOffset = SLOTPERIODICITYANDOFFSET_PR_SL1;
 515             memset(initDlBwp->pdcchCfg.searchSpcToAddModList[idx].mSymbolsWithinSlot, 0,\
 516               MONITORING_SYMB_WITHIN_SLOT_SIZE);
 517             initDlBwp->pdcchCfg.searchSpcToAddModList[idx].mSymbolsWithinSlot[idx] =\
 518               PDCCH_SYMBOL_WITHIN_SLOT;
 519             initDlBwp->pdcchCfg.searchSpcToAddModList[idx].numCandidatesAggLevel1 =\
 520              AGGREGATIONLEVEL_N8;
 521             initDlBwp->pdcchCfg.searchSpcToAddModList[idx].numCandidatesAggLevel2 =\
 522              AGGREGATIONLEVEL_N8;
 523             initDlBwp->pdcchCfg.searchSpcToAddModList[idx].numCandidatesAggLevel4 =\
 524              AGGREGATIONLEVEL_N4;
 525             initDlBwp->pdcchCfg.searchSpcToAddModList[idx].numCandidatesAggLevel8 =\
 526              AGGREGATIONLEVEL_N2;
 527             initDlBwp->pdcchCfg.searchSpcToAddModList[idx].numCandidatesAggLevel16 =\
 528              AGGREGATIONLEVEL_N1;
 529             initDlBwp->pdcchCfg.searchSpcToAddModList[idx].searchSpaceType = \
 530              SEARCHSPACETYPE_PR_UE_SPECIFIC;
 531             initDlBwp->pdcchCfg.searchSpcToAddModList[idx].ueSpecificDciFormat =\
 532              PDCCH_SRCH_SPC_TWO_UE_SPEC_DCI_FORMAT;
 533
 534             initDlBwp->pdcchCfg.numSearchSpcToRel = 0;
 535
 536          }
 537                 }
 538       /* Filling PDSCH Config */
 539            initDlBwp->pdschPresent = TRUE;
 540                 if(initDlBwp->pdschPresent)
 541                 {
 542          initDlBwp->pdschCfg.dmrsDlCfgForPdschMapTypeA.addPos = ADDITIONALPOSITION_POS0;
 543          initDlBwp->pdschCfg.resourceAllocType = RESOURCEALLOCATION_TYPE1;
 544          initDlBwp->pdschCfg.numTimeDomRsrcAlloc = 1;
 545          initDlBwp->pdschCfg.timeDomRsrcAllociList[idx].mappingType = \
 546           MAPPING_TYPEA;
 547          initDlBwp->pdschCfg.timeDomRsrcAllociList[idx].startSymbolAndLength = \
 548           PDSCH_START_SYMBOL_LEN;
 549          initDlBwp->pdschCfg.rbgSize = RBG_SIZE_CONFIG1;
 550          initDlBwp->pdschCfg.numCodeWordsSchByDci = CODEWORDS_SCHED_BY_DCI_N1;
 551          initDlBwp->pdschCfg.bundlingType = TYPE_STATIC_BUNDLING;
 552                 }
 553    }
 554
 555 }
 556
 557 /******************************************************************
 558  *
 559  * @brief Fills Initial UL Bandwidth Part
 560  *
 561  * @details
 562  *
 563  *    Function : fillInitUlBwp
 564  *
 565  *    Functionality: Fills Initial UL Bandwidth Part
 566  *
 567  *
 568  *****************************************************************/
 569 void fillInitUlBwp(InitialUlBwp *initUlBwp)
 570 {
 571    uint8_t idx;
 572    if(initUlBwp)
 573    {
 574       initUlBwp->pucchPresent = FALSE;
 575
 576       /*Filling PUSCH Config */
 577       initUlBwp->puschPresent = TRUE;
 578                 if(initUlBwp->puschPresent)
 579                 {
 580          initUlBwp->puschCfg.dmrsUlCfgForPuschMapTypeA.addPos = ADDITIONALPOSITION_POS0;
 581          initUlBwp->puschCfg.dmrsUlCfgForPuschMapTypeA.transPrecodDisabled. \
 582            scramblingId0 = SCRAMBLING_ID;
 583          initUlBwp->puschCfg.resourceAllocType = RESOURCEALLOCATION_TYPE1;
 584          initUlBwp->puschCfg.numTimeDomRsrcAlloc = 1;
 585          idx = 0;
 586          if(initUlBwp->puschCfg.numTimeDomRsrcAlloc <= MAX_NUM_UL_ALLOC)
 587          {
 588             initUlBwp->puschCfg.timeDomRsrcAllocList[idx].k2 = PUSCH_K2;
 589             initUlBwp->puschCfg.timeDomRsrcAllocList[idx].mappingType =\
 590               MAPPING_TYPEA;
 591             initUlBwp->puschCfg.timeDomRsrcAllocList[idx].startSymbolAndLength =\
 592               PUSCH_START_SYMBOL_LEN;
 593          }
 594          initUlBwp->puschCfg.transformPrecoder = TRANSFORM_PRECODER_DISABLED;
 595                 }
 596    }
 597    else
 598    {
 599       DU_LOG("\n DUAPP: Memory is NULL of InitalUlBwp");
 600    }
 601
 602 }
 603 /******************************************************************
 604  *
 605  * @brief Fills SpCell Group Info
 606  *
 607  * @details
 608  *
 609  *    Function : fillSpCellGrpInfo
 610  *
 611  *    Functionality: Fills Sp Cell Group Info
 612  *
 613  *
 614  *****************************************************************/
 615 void fillSpCellGrpInfo(SpCellCfg *spCell)
 616 {
 617    if(spCell)
 618    {
 619       spCell->servCellIdx = SERV_CELL_IDX;
 620       /* Filling Initial Dl Bwp */
 621       fillInitDlBwp(&spCell->servCellCfg.initDlBwp);
 622
 623       spCell->servCellCfg.numDlBwpToAdd    = 0;
 624       spCell->servCellCfg.firstActvDlBwpId = ACTIVE_DL_BWP_ID;
 625       spCell->servCellCfg.defaultDlBwpId   = ACTIVE_DL_BWP_ID;
 626       spCell->servCellCfg.bwpInactivityTmr = NULLP;
 627       spCell->servCellCfg.pdschServCellCfg.maxMimoLayers = NULLP;
 628       spCell->servCellCfg.pdschServCellCfg.maxCodeBlkGrpPerTb = NULLP;
 629       spCell->servCellCfg.pdschServCellCfg.codeBlkGrpFlushInd = NULLP;
 630       spCell->servCellCfg.pdschServCellCfg.xOverhead = NULLP;
 631       spCell->servCellCfg.pdschServCellCfg.numHarqProcForPdsch =\
 632            NUM_HARQ_PROC_FOR_PDSCH_N_16;
 633       /* Filling Initial UL Bwp*/
 634       fillInitUlBwp(&spCell->servCellCfg.initUlBwp);
 635       spCell->servCellCfg.numUlBwpToAdd     = 0;
 636       spCell->servCellCfg.firstActvUlBwpId  = ACTIVE_DL_BWP_ID;
 637    }
 638    else
 639    {
 640       DU_LOG("\n DU_APP: Memory is NULL for SpCellGrp");
 641    }
 642 }
 643
 644 /******************************************************************
 645  *
 646  * @brief Fills Physical Cell Group Info
 647  *
 648  * @details
 649  *
 650  *    Function : fillPhyCellGrpInfo
 651  *
 652  *    Functionality: Fills Physical Cell Group Info
 653  *
 654  *
 655  *****************************************************************/
 656 void fillPhyCellGrpInfo(PhyCellGrpCfg *cellGrp)
 657 {
 658    if(cellGrp)
 659    {
 660       cellGrp->pdschHarqAckCodebook = PDSCH_HARQ_ACK_CODEBOOK_DYNAMIC;
 661       cellGrp->pNrFr1 = P_NR_FR1;
 662    }
 663    else
 664    {
 665       DU_LOG("\nDUAPP: Memory is NULL for Physical Cell Group");
 666    }
 667 }
 668
 669 /******************************************************************
 670  *
 671  * @brief Fills Mac Cell Group Info
 672  *
 673  * @details
 674  *
 675  *    Function : fillMacCellGrpInfo
 676  *
 677  *    Functionality: Fills Mac Cell Group Info
 678  *
 679  *
 680  *****************************************************************/
 681 void fillMacCellGrpInfo(MacCellGrpCfg *cellGrp)
 682 {
 683    uint8_t idx;
 684
 685    if(cellGrp)
 686    {
 687       /* Filling Scheduling Request Config */
 688       cellGrp->schReqCfg.addModListCount = 1;
 689       if(cellGrp->schReqCfg.addModListCount <= MAX_NUM_SR_CFG_PER_CELL_GRP)
 690       {
 691          for(idx = 0; idx < cellGrp->schReqCfg.addModListCount; idx++)
 692          {
 693             cellGrp->schReqCfg.addModList[idx].schedReqId    = SCH_REQ_ID;
 694             cellGrp->schReqCfg.addModList[idx].srProhibitTmr = SR_PROHIBIT_MS_32;
 695             cellGrp->schReqCfg.addModList[idx].srTransMax    = SR_TRANS_MAX_N_16;
 696          }
 697       }
 698       cellGrp->schReqCfg.relListCount = 0;
 699
 700       /* Filling Tag config */
 701       cellGrp->tagCfg.addModListCount = 1;
 702       if(cellGrp->tagCfg.addModListCount <= MAC_NUM_TAGS)
 703       {
 704          for(idx = 0; idx < cellGrp->tagCfg.addModListCount; idx++)
 705          {
 706             cellGrp->tagCfg.addModList[idx].tagId = TAG_ID;
 707             cellGrp->tagCfg.addModList[idx].timeAlignTimer = TIME_ALIGNMENT_TIMER_INFINITY;
 708          }
 709       }
 710       cellGrp->tagCfg.relListCount = 0;
 711
 712       /* Filling PHR config */
 713       cellGrp->phrCfgSetupPres = true;
 714       cellGrp->phrCfg.periodicTimer = PHR_PERIODIC_TIMER_INFINITY;
 715       cellGrp->phrCfg.prohibitTimer = PHR_PROHIBIT_TIMER_SF_0;
 716       cellGrp->phrCfg.txPowerFactor = PHR_TX_PWR_FACTOR_CHANGE_INFINITY;
 717       cellGrp->phrCfg.multiplePHR   = false;
 718       cellGrp->phrCfg.dummy         = false;
 719       cellGrp->phrCfg.phrType2OtherCell = false;
 720       cellGrp->phrCfg.phrOtherCG = PHR_MODE_OTHER_CG_REAL;
 721
 722    }
 723    else
 724    {
 725       DU_LOG("\nDUAPP: Memory is NULL for Master Cell Group");
 726    }
 727 }
 728
 729 /******************************************************************
 730  *
 731  * @brief Fills Logical Channel Config List
 732  *
 733  * @details
 734  *
 735  *    Function : fillLcCfgList
 736  *
 737  *    Functionality: Fills Logical channel Config List
 738  *
 739  *
 740  *****************************************************************/
 741 void fillLcCfgList(LcCfg *lcCfgInfo)
 742 {
 743    if(lcCfgInfo)
 744    {
 745       lcCfgInfo->lcId = SRB_ID_1;
 746       lcCfgInfo->drbQos = NULLP;
 747       lcCfgInfo->snssai = NULLP;
 748       lcCfgInfo->ulLcCfg = NULLP;
 749       lcCfgInfo->dlLcCfg.lcp = LC_PRIORITY_1;
 750
 751 #if 0
 752       /* TODO: To be filled on receving UE CONTEXT SETUP from CU */
 753       /* Filling Qos characteristics */
 754       lcCfgInfo->drbQos.fiveQiType = QoS_Characteristics_PR_non_Dynamic_5QI;
 755       lcCfgInfo->drbQos.u.nonDyn5Qi.fiveQi = 0;
 756       lcCfgInfo->drbQos.u.nonDyn5Qi.priorLevel = 0;
 757       lcCfgInfo->drbQos.u.nonDyn5Qi.avgWindow = 0;
 758       lcCfgInfo->drbQos.u.nonDyn5Qi.maxDataBurstVol = 0;
 759
 760       /* Filling NgRAN */
 761       lcCfgInfo->drbQos.ngRanRetPri.priorityLevel = PriorityLevel_highest;
 762       lcCfgInfo->drbQos.ngRanRetPri.preEmptionCap = \
 763        Pre_emptionCapability_may_trigger_pre_emption;
 764       lcCfgInfo->drbQos.ngRanRetPri.preEmptionVul = \
 765        Pre_emptionVulnerability_not_pre_emptable;
 766
 767       /* Filling Grb Qos */
 768       lcCfgInfo->drbQos.grbQosInfo.maxFlowBitRateDl  = 0;
 769       lcCfgInfo->drbQos.grbQosInfo.maxFlowBitRateUl  = 0;
 770       lcCfgInfo->drbQos.grbQosInfo.guarFlowBitRateDl = 0;
 771       lcCfgInfo->drbQos.grbQosInfo.guarFlowBitRateUl = 0;
 772
 773       /* Filling S-NSSAI */
 774       /* TODO :To be filled when UE Context Setup Request is sent from CU */
 775       /* Filling UL Logical Channel Config */
 776       lcCfgInfo->ulLcCfg.priority = 0;
 777       lcCfgInfo->ulLcCfg.lcGroup  = 0;
 778       lcCfgInfo->ulLcCfg.schReqId = 0;
 779       lcCfgInfo->ulLcCfg.pbr = 0;
 780       lcCfgInfo->ulLcCfg.bsd = 0;
 781
 782       /* Filling DL Logical Channel Config */
 783       lcCfgInfo->dlLcCfg.lcp = 0;
 784 #endif
 785    }
 786    else
 787    {
 788       DU_LOG("\n Memory is null for LcCfgList");
 789    }
 790 }
 791
 792 /******************************************************************
 793  *
 794  * @brief Fills MacUeCfg structure
 795  *
 796  * @details
 797  *
 798  *    Function : fillMacUeCfg
 799  *
 800  *    Functionality: Fills MacUeCfg
 801  *
 802  *
 803  *****************************************************************/
 804 void fillMacUeCfg(MacUeCfg *ueCfg)
 805 {
 806    uint8_t idx;
 807
 808    /* Filling MacCellGroup Config */
 809    fillMacCellGrpInfo(&ueCfg->macCellGrpCfg);
 810    /* Filling PhyCellGroup Config */
 811    fillPhyCellGrpInfo(&ueCfg->phyCellGrpCfg);
 812    /* Filling SpCellGroup Config */
 813    fillSpCellGrpInfo(&ueCfg->spCellCfg);
 814    /* Filling AMBR for UL and DL */
 815         ueCfg->maxAggrBitRate = NULLP;
 816    /* Filling LC Context */
 817    ueCfg->numLcs = SRB_ID_1;
 818    if(ueCfg->numLcs < MAX_NUM_LOGICAL_CHANNELS)
 819    {
 820       for(idx = 0; idx < ueCfg->numLcs; idx++)
 821       {
 822          fillLcCfgList(&ueCfg->lcCfgList[idx]);
 823       }
 824    }
 825
 826 }
 827
 828 /******************************************************************
 829  *
 830  * @brief creates UE context
 831  *
 832  * @details
 833  *
 834  *    Function : duCreateUeCb
 835  *
 836  *    Functionality: Creates UE Conetxt
 837  *
 838  * @params[in] UeCcchCtxt Pointer
 839  *             UeIdx Pointer
 840  *
 841  * @return ROK     - success
 842  *         RFAILED - failure
 843  * ****************************************************************/
 844 uint8_t duCreateUeCb(UeCcchCtxt *ueCcchCtxt, uint32_t gnbCuUeF1apId)
 845 {
 846         uint8_t cellIdx = 0;
 847         uint8_t ret     = ROK;
 848         uint8_t ueIdx;
 849
 850    for(cellIdx = 0; cellIdx < DU_MAX_CELLS; cellIdx++)
 851         {
 852            if(ueCcchCtxt->cellId == duCb.actvCellLst[cellIdx]->cellId)
 853                 {
 854                    ueIdx = ueCcchCtxt->crnti % DU_UE_START_CRNTI;
 855          DU_LOG("\nDU_APP: Filling UeCb for ueIdx [%d]", ueIdx);
 856                    duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbDuUeF1apId = ueCcchCtxt->gnbDuUeF1apId;
 857                    duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbCuUeF1apId = gnbCuUeF1apId;
 858          duCb.actvCellLst[cellIdx]->ueCb[ueIdx].ueState       = UE_ACTIVE;
 859
 860                         /* Filling Mac Ue Config */
 861          memset(&duCb.actvCellLst[cellIdx]->ueCb[ueIdx].macUeCfg, 0, sizeof(MacUeCfg));
 862          duCb.actvCellLst[cellIdx]->ueCb[ueIdx].macUeCfg.cellIdx       = ueCcchCtxt->cellId;
 863          duCb.actvCellLst[cellIdx]->ueCb[ueIdx].macUeCfg.ueIdx         = ueIdx;
 864          duCb.actvCellLst[cellIdx]->ueCb[ueIdx].macUeCfg.crnti         = ueCcchCtxt->crnti;
 865          fillMacUeCfg(&duCb.actvCellLst[cellIdx]->ueCb[ueIdx].macUeCfg);
 866                    duCb.actvCellLst[cellIdx]->numActvUes++;
 867                         memset(ueCcchCtxt, 0, sizeof(UeCcchCtxt));
 868
 869                         /* Send Ue Create Request to MAC */
 870                         ret = duBuildAndSendUeCreateReqToMac(duCb.actvCellLst[cellIdx]->ueCb[ueIdx].macUeCfg.cellIdx, ueIdx);
 871                         if(ret)
 872                            DU_LOG("\nDU_APP: Failed to send UE create request to MAC");
 873                 }
 874    }
 875
 876         return ret;
 877 }
 878
 879 /******************************************************************
 880  *
 881  * @brief Builds and Send UE Create Request to MAC
 882  *
 883  * @details
 884  *
 885  *    Function : duBuildAndSendUeCreateReqToMac
 886  *
 887  *    Functionality: Builds and Send UE Create Request to MAC
 888  *
 889  * @Params[in]  cellId,
 890  *              ueIdx
 891  * @return ROK     - success
 892  *         RFAILED - failure
 893  *
 894  * ****************************************************************/
 895
 896 uint8_t duBuildAndSendUeCreateReqToMac(uint16_t cellId, uint8_t ueIdx)
 897 {
 898    uint8_t ret = ROK;
 899    MacUeCfg *macUeCfg = NULLP;
 900    Pst pst;
 901
 902    memset(&pst, 0, sizeof(Pst));
 903
 904    /* Fill Pst */
 905    pst.selector  = ODU_SELECTOR_LWLC;
 906    pst.srcEnt    = ENTDUAPP;
 907    pst.srcInst   = DU_INST;
 908    pst.dstEnt    = ENTRG;
 909    pst.dstInst   = 0;
 910    pst.dstProcId = DU_PROC;
 911    pst.srcProcId = DU_PROC;
 912    pst.region    = DU_APP_MEM_REGION;
 913    pst.pool      = DU_POOL;
 914    pst.event     = EVENT_MAC_UE_CREATE_REQ;
 915
 916    /* Copying ueCb to a sharable buffer */
 917    DU_ALLOC_SHRABL_BUF(macUeCfg, sizeof(MacUeCfg));
 918         if(macUeCfg)
 919         {
 920                 memset(macUeCfg, 0, sizeof(MacUeCfg));
 921       memcpy(macUeCfg, &duCb.actvCellLst[cellId - 1]->ueCb[ueIdx].macUeCfg, sizeof(MacUeCfg));
 922       /* Processing one Ue at a time to MAC */
 923                 ret = (*packMacUeCreateReqOpts[pst.selector])(&pst, macUeCfg);
 924                 if(ret)
 925                 {
 926          DU_LOG("\nDU_APP : Failure in sending Ue Create Req to MAC");
 927                    DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, macUeCfg, sizeof(MacUeCfg));
 928                         ret = RFAILED;
 929                 }
 930         }
 931         else
 932         {
 933            DU_LOG("\n DU_APP: Memory alloc failed at duBuildAndSendUeCreateReq()");
 934                 ret = RFAILED;
 935         }
 936         return ret;
 937 }
 938
 939 /**********************************************************************
 940          End of file
 941 ***********************************************************************/