+ * @brief Fills RlcBearerCfg structure
+ *
+ * @details
+ *
+ * Function : fillRlcUeCfg
+ *
+ * Functionality: Fills Rlc Bearer Cfg
+ *
+ *
+ *****************************************************************/
+uint8_t fillRlcUeCfg(uint16_t cellId, uint8_t duUeF1apId, DuUeCfg *ueCfgDb, RlcUeCfg *rlcUeCfg)
+{
+ uint8_t ret, dbIdx, lcIdx, cellIdx;
+ bool lcIdFound = false;
+ RlcUeCfg *duRlcDb = NULLP;
+
+ ret = ROK;
+ rlcUeCfg->cellId = cellId;
+ rlcUeCfg->ueId = duUeF1apId;
+
+ if(!ueCfgDb)
+ {
+ /* Initial RB being Added */
+ ret = fillRlcSrb1LcCfg(&rlcUeCfg->rlcLcCfg[0]);
+ if(ret == ROK)
+ rlcUeCfg->numLcs++;
+ else
+ memset(rlcUeCfg, 0, sizeof(RlcUeCfg));
+ }
+ else
+ {
+ /* Fetch RlcDb from DuUeCb */
+ GET_CELL_IDX(cellId, cellIdx);
+ duRlcDb = &duCb.actvCellLst[cellIdx]->ueCb[rlcUeCfg->ueId-1].rlcUeCfg;
+ duRlcDb->rlcUeCfgState = UE_CFG_INPROGRESS;
+
+ for(dbIdx = 0; (dbIdx < ueCfgDb->numRlcLcs && ret == ROK); dbIdx++)
+ {
+ ret = fillDefaultRlcModeCfg(ueCfgDb->rlcLcCfg[dbIdx].rlcMode, &ueCfgDb->rlcLcCfg[dbIdx]);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\n ERROR --> DU APP : Failed to fill Rlc Mode at fillRlcUeCfg()");
+ memset(rlcUeCfg, 0, sizeof(RlcUeCfg));
+ return ret;
+ }
+
+ if(duRlcDb)
+ {
+ /* Fill Rlc Ue Cfg List for ADD/MOD/DEL */
+ for(lcIdx = 0; lcIdx < duRlcDb->numLcs; lcIdx++)
+ {
+ if(ueCfgDb->rlcLcCfg[dbIdx].lcId == duRlcDb->rlcLcCfg[lcIdx].lcId)
+ {
+ lcIdFound = true;
+ if((ueCfgDb->rlcLcCfg[dbIdx].configType == CONFIG_UNKNOWN)||
+ (ueCfgDb->rlcLcCfg[dbIdx].configType == CONFIG_MOD))
+ {
+ /* MOD */
+ ueCfgDb->rlcLcCfg[dbIdx].configType = CONFIG_MOD; /* update Db for MOD type */
+ memcpy(&rlcUeCfg->rlcLcCfg[dbIdx], &ueCfgDb->rlcLcCfg[dbIdx], sizeof(RlcBearerCfg));
+ fillSnssaiInfo(rlcUeCfg->rlcLcCfg[dbIdx].snssai, ueCfgDb->rlcLcCfg[dbIdx].snssai,\
+ &duRlcDb->rlcLcCfg[lcIdx].snssai,false);
+ }
+ }
+ else
+ lcIdFound = false;
+ }
+ }
+
+ if(!lcIdFound)
+ {
+ /* ADD/ DEL Config Type */
+ memcpy(&rlcUeCfg->rlcLcCfg[dbIdx], &ueCfgDb->rlcLcCfg[dbIdx], sizeof(RlcBearerCfg));
+ fillSnssaiInfo(rlcUeCfg->rlcLcCfg[dbIdx].snssai, ueCfgDb->rlcLcCfg[dbIdx].snssai, NULL, false);
+ }
+ rlcUeCfg->numLcs++;
+ }
+ }
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief creates UE context
+ *
+ * @details
+ *
+ * Function : duCreateUeCb
+ *
+ * Functionality: Creates UE Conetxt
+ *
+ * @params[in] UeCcchCtxt Pointer
+ * UeIdx Pointer
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+uint8_t duCreateUeCb(UeCcchCtxt *ueCcchCtxt, uint32_t gnbCuUeF1apId)
+{
+ uint8_t cellIdx = 0;
+ uint8_t ret = ROK;
+ uint8_t ueId = 0, ueIdx = 0;
+
+ for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++)
+ {
+ if(duCb.actvCellLst[cellIdx] && (ueCcchCtxt->cellId == duCb.actvCellLst[cellIdx]->cellId))
+ {
+ GET_UE_ID(ueCcchCtxt->crnti, ueId);
+ DU_LOG("\nDEBUG --> DU_APP: Filling UeCb for ueId [%d]", ueId);
+
+ ueIdx = ueId-1;
+ duCb.actvCellLst[cellIdx]->ueCb[ueIdx].f1UeDb = NULLP;
+ duCb.actvCellLst[cellIdx]->ueCb[ueIdx].crnti = ueCcchCtxt->crnti;
+ duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbDuUeF1apId = ueCcchCtxt->gnbDuUeF1apId;
+ duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbCuUeF1apId = gnbCuUeF1apId;
+ duCb.actvCellLst[cellIdx]->ueCb[ueIdx].drbBitMap = NULLP;
+ duCb.actvCellLst[cellIdx]->ueCb[ueIdx].ueState = UE_ACTIVE;
+
+ /* Filling Mac Ue Config */
+ memset(&duCb.actvCellLst[cellIdx]->ueCb[ueIdx].macUeCfg, 0, sizeof(MacUeCfg));
+ ret = duBuildAndSendUeCreateReqToMac(ueCcchCtxt->cellId, ueCcchCtxt->gnbDuUeF1apId, ueCcchCtxt->crnti, NULL,
+ &duCb.actvCellLst[cellIdx]->ueCb[ueIdx].macUeCfg);
+ if(ret == RFAILED)
+ DU_LOG("\nERROR --> DU APP : Failed to send UE create request to MAC");
+
+ /* Filling Rlc Ue Config */
+ memset(&duCb.actvCellLst[cellIdx]->ueCb[ueIdx].rlcUeCfg, 0, sizeof(RlcUeCfg));
+ ret = duBuildAndSendUeCreateReqToRlc(ueCcchCtxt->cellId, ueCcchCtxt->gnbDuUeF1apId, NULL,
+ &duCb.actvCellLst[cellIdx]->ueCb[ueIdx].rlcUeCfg);
+ if(ret == RFAILED)
+ DU_LOG("\nERROR --> DU APP : Failed to send UE create request to RLC");
+
+ duCb.actvCellLst[cellIdx]->numActvUes++;
+ memset(ueCcchCtxt, 0, sizeof(UeCcchCtxt));
+ duCb.numUe--;
+ }
+ }
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Builds and Send UE Create Request to MAC
+ *
+ * @details
+ *
+ * Function : duBuildAndSendUeCreateReqToMac
+ *
+ * Functionality: Builds and Send UE Create Request to MAC
+ *
+ * @Params[in] cellId,
+ * ueId,
+ * crnti,
+ * UE config extracted from F1AP msg
+ * MAC UE config struct to be filled
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t duBuildAndSendUeCreateReqToMac(uint16_t cellId, uint8_t gnbDuUeF1apId, uint16_t crnti, DuUeCfg *ueCfgDb, MacUeCfg *duMacUeCfg)
+{
+ uint8_t ret = ROK;
+ MacUeCfg *macUeCfg = NULLP;
+ Pst pst;
+ memset(&pst, 0, sizeof(Pst));
+
+
+ ret = fillMacUeCfg(cellId, gnbDuUeF1apId, crnti, ueCfgDb, duMacUeCfg);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\nERROR --> DU APP : Failed to fill MacUeCfg at duBuildAndSendUeCreateReqToMac()");
+ return RFAILED;
+ }
+
+ /* Fill Pst */
+ FILL_PST_DUAPP_TO_MAC(pst, EVENT_MAC_UE_CREATE_REQ);
+
+ /* Copying ueCb to a sharable buffer */
+ DU_ALLOC_SHRABL_BUF(macUeCfg, sizeof(MacUeCfg));
+ if(macUeCfg)
+ {
+ memset(macUeCfg, 0, sizeof(MacUeCfg));
+ memcpy(macUeCfg, duMacUeCfg, sizeof(MacUeCfg));
+ DU_LOG("\nDEBUG --> DU_APP: Sending UE create request to MAC");
+
+ /* Processing one Ue at a time to MAC */
+ ret = (*packMacUeCreateReqOpts[pst.selector])(&pst, macUeCfg);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\nERROR --> DU_APP : Failure in sending Ue Create Req to MAC at duBuildAndSendUeCreateReqToMac()");
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, macUeCfg, sizeof(MacUeCfg));
+ }
+ }
+ else
+ {
+ DU_LOG("\n ERROR --> DU APP : Memory alloc failed at duBuildAndSendUeCreateReqToMac()");
+ ret = RFAILED;
+ }
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Build and send RACH Resource request to MAC
+ *
+ * @details
+ *
+ * Function : duBuildAndSendRachRsrcReqToMac
+ * Functionality:
+ * Build and send RACH Resource request to MAC
+ *
+ * @params[in] Cell Id
+ * UE Id
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t duBuildAndSendRachRsrcReqToMac(uint16_t cellId, uint16_t ueId)
+{
+ uint16_t cellIdx = 0, ssbIdx = 0;
+ Pst pst;
+ MacRachRsrcReq *rachRsrcReq = NULLP;
+
+ GET_CELL_IDX(cellId, cellIdx);
+ if(duCb.actvCellLst[cellIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP : Cell Id [%d] not found in duBuildAndSendRachRsrcReqToMac()", cellId);
+ return RFAILED;
+ }
+
+ DU_ALLOC_SHRABL_BUF(rachRsrcReq, sizeof(MacRachRsrcReq));
+ if(!rachRsrcReq)
+ {
+ DU_LOG("\nERROR --> DU APP : Failed to allocate memory for RACH Resource Request in \
+ duBuildAndSendRachRsrcReqToMac()");
+ return RFAILED;
+ }
+
+ rachRsrcReq->cellId = cellId;
+ rachRsrcReq->ueId = ueId;
+ rachRsrcReq->numSsb = duCfgParam.macCellCfg.prachCfg.ssbPerRach;
+ for(ssbIdx = 0; ssbIdx < rachRsrcReq->numSsb; ssbIdx++)
+ {
+ rachRsrcReq->ssbIdx[ssbIdx] = ssbIdx;
+ }
+
+ /* Fill Pst */
+ FILL_PST_DUAPP_TO_MAC(pst, EVENT_MAC_RACH_RESOURCE_REQ);
+
+ if(((*packMacRachRsrcReqOpts[pst.selector])(&pst, rachRsrcReq)) != ROK)
+ {
+ DU_LOG("\nERROR --> DU_APP : Failure in sending RACH Resource Request to MAC at \
+ duBuildAndSendRachRsrcReqToMac()");
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, rachRsrcReq, sizeof(MacRachRsrcReq));
+ return RFAILED;
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Process RACH resource response from MAC
+ *
+ * @details
+ *
+ * Function : DuProcMacRachRsrcRsp
+ * Functionality:
+ * Process RACH resource response from MAC
+ *
+ * @params[in] Post structure
+ * RACH resource response
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t DuProcMacRachRsrcRsp(Pst *pst, MacRachRsrcRsp *rachRsrcRsp)
+{
+ uint8_t ret = RFAILED;
+ uint16_t cellIdx = 0;
+ DuCellCb *cellCb = NULLP;
+ DuUeCb *ueCb = NULLP;
+
+ DU_LOG("\nINFO --> DU APP : Received RACH Resource Response from MAC. Cell ID [%d] UE ID [%d]",
+ rachRsrcRsp->cellId, rachRsrcRsp->ueId);
+
+ if(rachRsrcRsp->result == MAC_DU_APP_RSP_OK)
+ {
+ DU_LOG("\nINFO : DU APP : RACH Resource Response from MAC : Result [SUCCESS]");
+
+ /* Fetch Cell Cb */
+ GET_CELL_IDX(rachRsrcRsp->cellId, cellIdx);
+ if(duCb.actvCellLst[cellIdx] && (duCb.actvCellLst[cellIdx]->cellId == rachRsrcRsp->cellId))
+ {
+ cellCb = duCb.actvCellLst[cellIdx];
+
+ /* Fetch UE CB */
+ if(cellCb->ueCb[rachRsrcRsp->ueId-1].gnbDuUeF1apId == rachRsrcRsp->ueId)
+ {
+ ueCb = &cellCb->ueCb[rachRsrcRsp->ueId-1];
+
+ /* Store CRNTI alloted to this UE by MAC */
+ ueCb->crnti = rachRsrcRsp->newCrnti;
+
+ /* Store the assigned CF-RA resources */
+ memcpy(&ueCb->cfraResource, &rachRsrcRsp->cfraResource, sizeof(MacCfraResource));
+
+ /* RACH resources allocated to UE is sent to CU in UE Context Setup Response
+ * along with the result of UE Context setup requested by CU */
+ if((ret = BuildAndSendUeCtxtRsp(rachRsrcRsp->cellId, rachRsrcRsp->ueId)) != ROK)
+ DU_LOG("\nERROR -> DU APP : Failure in BuildAndSendUeCtxtRsp()");
+ }
+ else
+ DU_LOG("\nERROR --> DU APP : UE ID [%d] not found in DuProcMacRachRsrcRsp", rachRsrcRsp->ueId);
+ }
+ else
+ DU_LOG("\nERROR --> DU APP : Cell ID [%d] not found in DuProcMacRachRsrcRsp", rachRsrcRsp->cellId);
+ }
+ else
+ DU_LOG("\nINFO : DU APP : RACH Resource Response from MAC : Result [FAILURE]");
+
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, rachRsrcRsp, sizeof(MacRachRsrcRsp));
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief To update DuUeCb Mac Cfg
+ *
+ * @details
+ *
+ * Function : duUpdateMacCfg
+ * Functionality: update DuUeCb MAC Cfg
+ *
+ * @params[in] DuUeCb Pointer
+ * F1UeContextSetupDb pointer
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t duUpdateMacCfg(MacUeCfg *macUeCfg, F1UeContextSetupDb *f1UeDb)
+{
+ uint8_t ret, lcIdx, dbIdx, numLcs, lcDelIdx, cellIdx;
+ MacUeCfg *oldMacUeCfg;
+ ret = ROK;
+
+ GET_CELL_IDX(macUeCfg->cellId, cellIdx);
+ if(duCb.actvCellLst[cellIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> DU APP: CellId[%d] not found", macUeCfg->cellId);
+ return RFAILED;
+ }
+ oldMacUeCfg = &duCb.actvCellLst[cellIdx]->ueCb[macUeCfg->ueId-1].macUeCfg;
+
+ /*Filling Cell Group Cfg*/
+ ret = procUeReCfgCellInfo(macUeCfg, &f1UeDb->duUeCfg.copyOfmacUeCfg, f1UeDb->duUeCfg.cellGrpCfg);
+ if(ret == ROK)
+ {
+ if(macUeCfg->spCellCfg.servCellCfg.initDlBwp.pdschPresent)
+ {
+ fillStartSymbolAndLen(macUeCfg->spCellCfg.servCellCfg.initDlBwp.pdschCfg.numTimeDomRsrcAlloc,\
+ &macUeCfg->spCellCfg.servCellCfg.initDlBwp.pdschCfg, NULL);
+ }
+ if(macUeCfg->spCellCfg.servCellCfg.initUlBwp.puschPresent)
+ {
+ fillStartSymbolAndLen(macUeCfg->spCellCfg.servCellCfg.initUlBwp.puschCfg.numTimeDomRsrcAlloc,\
+ NULL, &macUeCfg->spCellCfg.servCellCfg.initUlBwp.puschCfg);
+ }
+ ret = fillAmbr(NULL, f1UeDb->duUeCfg.ambrCfg, &oldMacUeCfg->ambrCfg, true);
+ duFillModulationDetails(macUeCfg, oldMacUeCfg, f1UeDb->duUeCfg.ueNrCapability);
+ }
+
+ /* Filling LC Context */
+ for(dbIdx = 0; (dbIdx < f1UeDb->duUeCfg.numMacLcs && ret == ROK); dbIdx++)
+ {
+ numLcs = macUeCfg->numLcs;
+ for(lcIdx = 0; lcIdx < numLcs; lcIdx++)
+ {
+ if(f1UeDb->duUeCfg.macLcCfg[dbIdx].lcId == macUeCfg->lcCfgList[lcIdx].lcId)
+ {
+ if(f1UeDb->duUeCfg.macLcCfg[dbIdx].configType == CONFIG_MOD)
+ {
+ ret = fillMacLcCfgToAddMod(NULL, &f1UeDb->duUeCfg.macLcCfg[dbIdx], &macUeCfg->lcCfgList[lcIdx], true);
+ }
+ else if(f1UeDb->duUeCfg.macLcCfg[dbIdx].configType == CONFIG_DEL)
+ {
+ /* Free memory at matched lcIdx index */
+ freeMacLcCfg(&macUeCfg->lcCfgList[lcIdx]);
+ macUeCfg->numLcs--;
+ for(lcDelIdx = lcIdx; lcDelIdx < macUeCfg->numLcs; lcDelIdx++)
+ {
+ /* moving all elements one index ahead */
+ ret = fillMacLcCfgToAddMod(NULL, &macUeCfg->lcCfgList[lcDelIdx+1], &macUeCfg->lcCfgList[lcDelIdx], true);
+ freeMacLcCfg(&macUeCfg->lcCfgList[lcDelIdx+1]);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\nERROR --> DU APP : Failed to delete LC at Idx %d in duUpdateMacCfg()", lcDelIdx);
+ break;
+ }
+ }
+ }
+ }
+ }
+ if(f1UeDb->duUeCfg.macLcCfg[dbIdx].configType == CONFIG_ADD)
+ {
+ ret = fillMacLcCfgToAddMod(NULL, &f1UeDb->duUeCfg.macLcCfg[dbIdx], &macUeCfg->lcCfgList[numLcs], true);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\nERROR --> DU APP : Failed to add LC at Idx %d in duUpdateMacCfg()", numLcs);
+ break;
+ }
+ macUeCfg->numLcs++;
+ }
+
+ }
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Function to fill the RLC Lc cfg from ueSetupReqDb
+ *
+ * @details
+ *
+ * Function : fillRlcCfgToAddMod
+ *
+ * Functionality: Function to fill the RLC Lc cfg from ueSetupReqDb
+ *
+ *
+ *****************************************************************/
+
+uint8_t fillRlcCfgToAddMod(RlcBearerCfg *lcCfg, RlcBearerCfg *f1UeDbLcCfg)
+{
+ lcCfg->configType = f1UeDbLcCfg->configType;
+ lcCfg->rbId = f1UeDbLcCfg->rbId;
+ lcCfg->rbType = f1UeDbLcCfg->rbType;
+ lcCfg->lcId = f1UeDbLcCfg->lcId;
+ lcCfg->lcType = f1UeDbLcCfg->lcType;
+ lcCfg->rlcMode = f1UeDbLcCfg->rlcMode;
+
+ switch(lcCfg->rlcMode)
+ {
+ case RLC_AM :
+ {
+ if(!lcCfg->u.amCfg)
+ {
+ DU_ALLOC_SHRABL_BUF(lcCfg->u.amCfg, sizeof(AmBearerCfg));
+ if(!lcCfg->u.amCfg)
+ return RFAILED;
+ }
+ /* DL AM */
+ lcCfg->u.amCfg->dlAmCfg.snLenDl = f1UeDbLcCfg->u.amCfg->dlAmCfg.snLenDl;
+ lcCfg->u.amCfg->dlAmCfg.pollRetxTmr = f1UeDbLcCfg->u.amCfg->dlAmCfg.pollRetxTmr;
+ lcCfg->u.amCfg->dlAmCfg.pollPdu = f1UeDbLcCfg->u.amCfg->dlAmCfg.pollPdu;
+ lcCfg->u.amCfg->dlAmCfg.pollByte = f1UeDbLcCfg->u.amCfg->dlAmCfg.pollByte;
+ lcCfg->u.amCfg->dlAmCfg.maxRetxTh = f1UeDbLcCfg->u.amCfg->dlAmCfg.maxRetxTh;
+
+ /* UL AM */
+ lcCfg->u.amCfg->ulAmCfg.snLenUl = f1UeDbLcCfg->u.amCfg->ulAmCfg.snLenUl;
+ lcCfg->u.amCfg->ulAmCfg.reAssemTmr = f1UeDbLcCfg->u.amCfg->ulAmCfg.reAssemTmr;
+ lcCfg->u.amCfg->ulAmCfg.statProhTmr = f1UeDbLcCfg->u.amCfg->ulAmCfg.statProhTmr;
+ break;
+ }
+ case RLC_UM_BI_DIRECTIONAL :
+ {
+ if(!lcCfg->u.umBiDirCfg)
+ {
+ DU_ALLOC_SHRABL_BUF(lcCfg->u.umBiDirCfg, sizeof(UmBiDirBearerCfg));
+ if(!lcCfg->u.umBiDirCfg)
+ return RFAILED;
+ }
+ /* UL UM BI DIR INFO */
+ lcCfg->u.umBiDirCfg->ulUmCfg.snLenUlUm = f1UeDbLcCfg->u.umBiDirCfg->ulUmCfg.snLenUlUm;
+ lcCfg->u.umBiDirCfg->ulUmCfg.reAssemTmr = f1UeDbLcCfg->u.umBiDirCfg->ulUmCfg.reAssemTmr;
+ /* DL UM BI DIR INFO */
+ lcCfg->u.umBiDirCfg->dlUmCfg.snLenDlUm = f1UeDbLcCfg->u.umBiDirCfg->dlUmCfg.snLenDlUm;
+ break;
+ }
+ case RLC_UM_UNI_DIRECTIONAL_UL :
+ {
+ if(!lcCfg->u.umUniDirUlCfg)
+ {
+ DU_ALLOC_SHRABL_BUF(lcCfg->u.umUniDirUlCfg, sizeof(UmUniDirUlBearerCfg));
+ if(!lcCfg->u.umUniDirUlCfg)
+ return RFAILED;
+ }
+ lcCfg->u.umUniDirUlCfg->ulUmCfg.snLenUlUm = f1UeDbLcCfg->u.umUniDirUlCfg->ulUmCfg.snLenUlUm;
+ lcCfg->u.umUniDirUlCfg->ulUmCfg.reAssemTmr = f1UeDbLcCfg->u.umUniDirUlCfg->ulUmCfg.reAssemTmr;
+ break;
+
+ }
+ case RLC_UM_UNI_DIRECTIONAL_DL :
+ {
+ if(!lcCfg->u.umUniDirDlCfg)
+ {
+ DU_ALLOC_SHRABL_BUF(lcCfg->u.umUniDirDlCfg, sizeof(UmUniDirDlBearerCfg));
+ if(!lcCfg->u.umUniDirDlCfg)
+ return RFAILED;
+ }
+ lcCfg->u.umUniDirDlCfg->dlUmCfg.snLenDlUm = f1UeDbLcCfg->u.umUniDirDlCfg->dlUmCfg.snLenDlUm;
+ break;
+ }
+ default:
+ DU_LOG("\nERROR --> DU_APP: Invalid Rlc Mode %d at fillRlcCfgToAddMod()", lcCfg->rlcMode);
+ return RFAILED;
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief To update DuUeCb Rlc Lc Cfg
+ *
+ * @details
+ *
+ * Function : duUpdateRlcLcCfg
+ * Functionality: update DuUeCb Rlc Lc Cfg
+ *
+ * @params[in] DuUeCb Pointer
+ * F1UeContextSetupDb pointer
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t duUpdateRlcLcCfg(RlcUeCfg *rlcUeCfg, F1UeContextSetupDb *f1UeDb)
+{
+ uint8_t ret, lcIdx, dbIdx, numLcs, lcDelIdx;
+
+ ret = ROK;
+ for(dbIdx = 0; (dbIdx < f1UeDb->duUeCfg.numRlcLcs && ret ==ROK); dbIdx++)
+ {
+ numLcs = rlcUeCfg->numLcs;
+ for(lcIdx = 0; lcIdx < numLcs; lcIdx++)
+ {
+ if(f1UeDb->duUeCfg.rlcLcCfg[dbIdx].lcId == rlcUeCfg->rlcLcCfg[lcIdx].lcId)
+ {
+ if(f1UeDb->duUeCfg.rlcLcCfg[dbIdx].configType == CONFIG_MOD)
+ {
+ ret = fillRlcCfgToAddMod(&rlcUeCfg->rlcLcCfg[lcIdx], &f1UeDb->duUeCfg.rlcLcCfg[dbIdx]);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\nERROR --> DU APP : Failed to modify LC at Idx %d in duUpdateRlcCfg()", lcDelIdx);
+ break;
+ }
+ fillSnssaiInfo(NULL, f1UeDb->duUeCfg.rlcLcCfg[dbIdx].snssai, &rlcUeCfg->rlcLcCfg[lcIdx].snssai, true);
+ }
+ else if(f1UeDb->duUeCfg.rlcLcCfg[dbIdx].configType == CONFIG_DEL)
+ {
+ /* Free memory at matched lcIdx index */
+ freeRlcLcCfg(&rlcUeCfg->rlcLcCfg[lcIdx]);
+ rlcUeCfg->numLcs--;
+ for(lcDelIdx = lcIdx; lcDelIdx < rlcUeCfg->numLcs; lcDelIdx++)
+ {
+ ret = fillRlcCfgToAddMod(&rlcUeCfg->rlcLcCfg[lcDelIdx], &rlcUeCfg->rlcLcCfg[lcDelIdx+1]);
+ fillSnssaiInfo(NULL, rlcUeCfg->rlcLcCfg[lcDelIdx+1].snssai, &rlcUeCfg->rlcLcCfg[lcDelIdx].snssai,\
+ true);
+ freeRlcLcCfg(&rlcUeCfg->rlcLcCfg[lcDelIdx+1]);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\nERROR --> DU APP : Failed to delete LC at Idx %d in duUpdateRlcCfg()", lcDelIdx);
+ break;
+ }
+ }
+ }
+ }
+ }
+ if(f1UeDb->duUeCfg.rlcLcCfg[dbIdx].configType == CONFIG_ADD)
+ {
+ ret = fillRlcCfgToAddMod(&rlcUeCfg->rlcLcCfg[lcIdx], &f1UeDb->duUeCfg.rlcLcCfg[dbIdx]);
+ if(ret == ROK)
+ {
+ fillSnssaiInfo(NULL, f1UeDb->duUeCfg.rlcLcCfg[dbIdx].snssai, &rlcUeCfg->rlcLcCfg[ rlcUeCfg->numLcs].snssai,\
+ true);
+ rlcUeCfg->numLcs++;
+ }
+ }
+ }
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Function to fill Tunnel Config to Add/Mod
+ *
+ *
+ * @details
+ *
+ * Function : fillTnlCfgToAddMod
+ *
+ * Functionality: Function to fill tunnel Config to Add/Mod
+ *
+ * @params[in] Pointer to tnlCfgDb,
+ * pointer to f1TnlCfg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t fillTnlCfgToAddMod(UpTnlCfg **ueCbTnlCfg, UpTnlCfg *f1TnlCfg)
+{
+ if(*ueCbTnlCfg)
+ {
+ DU_FREE((*ueCbTnlCfg)->tnlCfg1, sizeof(GtpTnlCfg));
+ DU_FREE(*ueCbTnlCfg, sizeof(UpTnlCfg));
+ }
+
+ if(*ueCbTnlCfg == NULLP)
+ {
+ /* copying to DuCb Tnl Cfg */
+ DU_ALLOC(*ueCbTnlCfg, sizeof(UpTnlCfg));
+ if(*ueCbTnlCfg == NULLP)
+ {
+ DU_LOG("\nERROR --> DU_APP : fillTnlCfgToAddMod: Memory Alloc failed for drbId[%d]", f1TnlCfg->drbId);
+ return RFAILED;
+ }
+ }
+ memset(*ueCbTnlCfg, 0, sizeof(UpTnlCfg));
+ (*ueCbTnlCfg)->configType = f1TnlCfg->configType;
+ (*ueCbTnlCfg)->cellId = f1TnlCfg->cellId;
+ (*ueCbTnlCfg)->ueId = f1TnlCfg->ueId;
+ (*ueCbTnlCfg)->drbId = f1TnlCfg->drbId;
+ if(f1TnlCfg->tnlCfg1)
+ {
+ if((*ueCbTnlCfg)->tnlCfg1 == NULLP)
+ {
+ DU_ALLOC((*ueCbTnlCfg)->tnlCfg1, sizeof(GtpTnlCfg));
+ if((*ueCbTnlCfg)->tnlCfg1 == NULLP)
+ {
+ DU_LOG("\nERROR --> DU_APP : fillTnlCfgToAddMod: Memory Alloc failed for tnlCfg1 for drbId[%d]", f1TnlCfg->drbId);
+ return RFAILED;
+ }
+ }
+ memset((*ueCbTnlCfg)->tnlCfg1, 0, sizeof(GtpTnlCfg));
+ (*ueCbTnlCfg)->tnlCfg1->teId = f1TnlCfg->tnlCfg1->teId;
+ (*ueCbTnlCfg)->tnlCfg1->ulTnlAddress = f1TnlCfg->tnlCfg1->ulTnlAddress;
+ (*ueCbTnlCfg)->tnlCfg1->dlTnlAddress = f1TnlCfg->tnlCfg1->dlTnlAddress;
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Processing the tunnel Request to EGTP
+ *
+ * @details
+ *
+ * Function : duProcEgtpTunnelCfg
+ *
+ * Functionality: Processing the tunnel Request to EGTP
+ *
+ * @params[in] UptnlCfg *duTnlCfg, UpTnlCfg *f1TnlCfg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t duProcEgtpTunnelCfg(uint8_t ueCbIdx, UpTnlCfg *duTnlCfg, UpTnlCfg *f1TnlCfg)
+{
+ uint8_t ret = RFAILED, delIdx;
+
+ if(f1TnlCfg->tnlCfg1 == NULLP)
+ {
+ DU_LOG("\nERROR --> DU_APP : Tunnel config not found");
+ return ret;
+ }
+
+ if(f1TnlCfg->configType == CONFIG_ADD)
+ {
+ if(duSendEgtpTnlMgmtReq(EGTP_TNL_MGMT_ADD, NULLP, f1TnlCfg->tnlCfg1) == ROK)
+ {
+ if(fillTnlCfgToAddMod(&duCb.upTnlCfg[duCb.numTeId], f1TnlCfg) == ROK)
+ {
+ duCb.numTeId++;
+ ret = ROK;
+ }
+ }
+ }
+ else if(f1TnlCfg->configType == CONFIG_MOD)
+ {
+ if(duSendEgtpTnlMgmtReq(EGTP_TNL_MGMT_MOD, duTnlCfg->tnlCfg1->teId, f1TnlCfg->tnlCfg1) == ROK)
+ {
+ if(fillTnlCfgToAddMod(&duTnlCfg, f1TnlCfg) == ROK)
+ {
+ ret = ROK;
+ }
+ }
+ }
+ else if(f1TnlCfg->configType == CONFIG_DEL)
+ {
+ if(duSendEgtpTnlMgmtReq(EGTP_TNL_MGMT_DEL, duTnlCfg->tnlCfg1->teId, f1TnlCfg->tnlCfg1) == ROK)
+ {
+ /* Free memory at drbIdx */
+ duCb.numTeId--;
+ for(delIdx = ueCbIdx; delIdx < duCb.numTeId; delIdx++)
+ {
+ /* moving all elements one index ahead */
+ ret = fillTnlCfgToAddMod(&duCb.upTnlCfg[delIdx], duCb.upTnlCfg[delIdx+1]);
+ if(ret != ROK)
+ {
+ return ret;
+ }
+ }
+ if(duCb.upTnlCfg[delIdx])
+ {
+ DU_FREE(duCb.upTnlCfg[delIdx]->tnlCfg1, sizeof(GtpTnlCfg));
+ DU_FREE(duCb.upTnlCfg[delIdx], sizeof(UpTnlCfg));
+ }
+ }
+ }
+ return ret;
+}
+
+/***********************************************************************
+ *
+ * @brief Function to fill Tunnel Config
+ * and sends tunnel Req to EGTP
+ *
+ *
+ * @details
+ *
+ * Function : duUpdateTunnelCfgDb
+ *
+ * Functionality: Function to fill tunnel Config
+ * and sends tunnel Cfg Req to EGTP
+ *
+ * @params[in] ueId, cellId, DuUeCfg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t duUpdateTunnelCfgDb(uint8_t ueId, uint8_t cellId, DuUeCfg *duUeCfg)
+{
+ uint8_t ret = ROK, drbIdx, teIdx;
+ bool drbFound = false;
+
+ /*If Add/Mod tunnels request for that DRB is successful in EGTP */
+ /*then update drbId and tunnel Info in duCb */
+ for(drbIdx=0; drbIdx < duUeCfg->numDrb; drbIdx++)
+ {
+ duUeCfg->upTnlInfo[drbIdx].cellId = cellId;
+ duUeCfg->upTnlInfo[drbIdx].ueId = ueId;
+ for(teIdx = 0; teIdx < duCb.numTeId; teIdx++)
+ {
+ if((duCb.upTnlCfg[teIdx]->ueId == duUeCfg->upTnlInfo[drbIdx].ueId) && \
+ (duCb.upTnlCfg[teIdx]->drbId == duUeCfg->upTnlInfo[drbIdx].drbId))
+ {
+ drbFound = true; /* existing DRB */
+ if(duProcEgtpTunnelCfg(teIdx, duCb.upTnlCfg[teIdx], &duUeCfg->upTnlInfo[drbIdx]) != ROK)
+ {
+ DU_LOG("\nERROR -> DU_APP : duUpdateTunnelCfgDb: Failed to modify tunnel req for Drb id[%d]",
+ duUeCfg->upTnlInfo[drbIdx].drbId);
+ ret = RFAILED;
+ }
+ break;
+ }
+ else
+ drbFound = false;
+ }
+
+ if(!drbFound && ret == ROK)/* new DRB to Add */
+ {
+ if(duProcEgtpTunnelCfg(NULLP, NULLP, &duUeCfg->upTnlInfo[drbIdx]) != ROK)
+ {
+ DU_LOG("\nERROR -> DU_APP : duUpdateTunnelCfgDb: Failed to add tunnel req for Drb id[%d]",
+ duUeCfg->upTnlInfo[drbIdx].drbId);
+ ret = RFAILED;
+ break;
+ }
+ }
+ else
+ break;
+ }
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief @brief To update DuUeCb Mac and Rlc Ue Cfg
+ *
+ *
+ * @details
+ *
+ * Function : duUpdateDuUeCbCfg
+ *
+ * Functionality: update DuUeCb Mac and Rlc Ue Cfg
+ *
+ * @params[in] ueId, cellIdx
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t duUpdateDuUeCbCfg(uint8_t ueId, uint8_t cellId)
+{
+ uint8_t ret = ROK, cellIdx = 0, crnti=0;
+ DuUeCb *ueCb = NULLP;
+
+ GET_CELL_IDX(cellId, cellIdx);
+ ueCb = &duCb.actvCellLst[cellIdx]->ueCb[ueId-1];
+
+ /*Filling RLC Ue Cfg */
+ ueCb->rlcUeCfg.cellId = cellId;
+ ueCb->rlcUeCfg.ueId = ueId;
+ ret = duUpdateRlcLcCfg(&ueCb->rlcUeCfg, ueCb->f1UeDb);
+ if(ret == ROK)
+ {
+ /*Filling MAC Ue Cfg */
+ GET_CRNTI(crnti, ueId);
+ ueCb->macUeCfg.cellId = cellId;
+ ueCb->macUeCfg.ueId = ueId;
+ ueCb->macUeCfg.crnti = crnti;
+ ret = duUpdateMacCfg(&ueCb->macUeCfg, ueCb->f1UeDb);
+ if(ret == RFAILED)
+ DU_LOG("\nERROR --> DU APP : Failed while updating MAC LC Config at duUpdateDuUeCbCfg()");
+ else
+ {
+ if(duUpdateTunnelCfgDb(ueId, cellId, &ueCb->f1UeDb->duUeCfg) != ROK)
+ {
+ DU_LOG("\nERROR --> DU_APP : Failed to establish tunnel in duUpdateDuUeCbCfg()");
+ return RFAILED;
+ }
+ }
+ }
+ else
+ DU_LOG("\nERROR --> DU APP : Failed while updating RLC LC Config at duUpdateDuUeCbCfg()");
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Handle UE config response from MAC
+ *
+ * @details
+ *
+ * Function : DuProcMacUeCfgRsp
+ *
+ * Functionality: Handle UE Config response from MAC
+ *
+ * @params[in] Pointer to MacUeCfgRsp and Pst
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t DuProcMacUeCfgRsp(Pst *pst, MacUeCfgRsp *cfgRsp)
+{
+ uint8_t ret = ROK;
+ uint16_t cellIdx;
+
+ if(cfgRsp)
+ {
+ GET_CELL_IDX(cfgRsp->cellId, cellIdx);
+ if(cfgRsp->result == MAC_DU_APP_RSP_OK)
+ {
+ if(pst->event == EVENT_MAC_UE_CREATE_RSP)
+ {
+ DU_LOG("\nINFO --> DU APP : MAC UE Create Response : SUCCESS [DU UE F1AP ID : %d]", cfgRsp->ueId);
+
+ if(duCb.actvCellLst[cellIdx] && (duCb.actvCellLst[cellIdx]->ueCb[cfgRsp->ueId -1].gnbDuUeF1apId == cfgRsp->ueId))
+ {
+ duCb.actvCellLst[cellIdx]->ueCb[cfgRsp->ueId -1].macUeCfg.macUeCfgState = UE_CREATE_COMPLETE;
+
+ if((duCb.actvCellLst[cfgRsp->cellId -1]->ueCb[cfgRsp->ueId -1].ueState == UE_HANDIN_IN_PROGRESS) &&
+ (duCb.actvCellLst[cfgRsp->cellId -1]->ueCb[cfgRsp->ueId -1].macUeCfg.macUeCfgState == UE_CREATE_COMPLETE) &&
+ (duCb.actvCellLst[cfgRsp->cellId -1]->ueCb[cfgRsp->ueId -1].rlcUeCfg.rlcUeCfgState == UE_CREATE_COMPLETE))
+ {
+ if((ret = duUpdateDuUeCbCfg(cfgRsp->ueId, cfgRsp->cellId)) == ROK)
+ {
+ /* If UE is in handover, RACH resource needs to be requested
+ * from MAC for CFRA */
+ if((duBuildAndSendRachRsrcReqToMac(cfgRsp->cellId, cfgRsp->ueId)) != ROK)
+ {
+ DU_LOG("\nERROR --> DU APP : Failed to send RACH Resource Request to MAC");
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, cfgRsp, sizeof(MacUeCfgRsp));
+ return RFAILED;
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR -> DU APP : Failure in updating DU UE CB");
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, cfgRsp, sizeof(MacUeCfgRsp));
+ return RFAILED;
+ }
+ }
+ }
+ }
+ else if(pst->event == EVENT_MAC_UE_RECONFIG_RSP)
+ {
+ DU_LOG("\nINFO --> DU APP : MAC UE Reconfig Response : SUCCESS [DU UE F1AP ID : %d]", cfgRsp->ueId);
+ if(duCb.actvCellLst[cellIdx] &&
+ (duCb.actvCellLst[cellIdx]->ueCb[cfgRsp->ueId -1].gnbDuUeF1apId == cfgRsp->ueId))
+ {
+ duCb.actvCellLst[cellIdx]->ueCb[cfgRsp->ueId -1].macUeCfg.macUeCfgState = UE_RECFG_COMPLETE;
+ if((duCb.actvCellLst[cellIdx]->ueCb[cfgRsp->ueId -1].macUeCfg.macUeCfgState == UE_RECFG_COMPLETE) &&
+ (duCb.actvCellLst[cfgRsp->cellId -1]->ueCb[cfgRsp->ueId -1].rlcUeCfg.rlcUeCfgState == UE_RECFG_COMPLETE))
+ {
+ if((ret = duUpdateDuUeCbCfg(cfgRsp->ueId, cfgRsp->cellId)) == ROK)
+ {
+ if((BuildAndSendUeCtxtRsp(cfgRsp->cellId, cfgRsp->ueId)) != ROK)
+ {
+ DU_LOG("\nERROR -> DU APP : Failure in BuildAndSendUeCtxtRsp()");
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, cfgRsp, sizeof(MacUeCfgRsp));
+ return RFAILED;
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR -> DU APP : Failure in updating DU UE CB");
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, cfgRsp, sizeof(MacUeCfgRsp));
+ return RFAILED;
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> DU APP : MAC UE CFG Response for EVENT[%d]: FAILURE [DU UE F1AP ID : %d]", pst->event, cfgRsp->ueId);
+ if(pst->event == EVENT_MAC_UE_RECONFIG_RSP)
+ {
+ //TODO: Send the failure case in Ue Context Setup Response
+ }
+ ret = RFAILED;
+ }
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, cfgRsp, sizeof(MacUeCfgRsp));
+ }
+ else
+ {
+ DU_LOG("\nERROR --> DU APP : Received MAC Ue Config Response is NULL at DuProcMacUeCfgRsp()");
+ ret = RFAILED;
+ }
+ return ret;
+}
+
+
+/*******************************************************************
+ *
+ * @brief Processes UE create Req to RLC UL