+ * 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]);
+ }
+ 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]);
+ 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)
+ 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 == 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)->ueIdx = f1TnlCfg->ueIdx;
+ (*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.numDrb], f1TnlCfg) == ROK)
+ {
+ duCb.numDrb++;
+ 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 */
+ DU_FREE(duTnlCfg->tnlCfg1, sizeof(GtpTnlCfg));
+ DU_FREE(duTnlCfg, sizeof(UpTnlCfg));
+ duCb.numDrb--;
+ for(delIdx = ueCbIdx; delIdx < duCb.numDrb; delIdx++)
+ {
+ /* moving all elements one index ahead */
+ ret = fillTnlCfgToAddMod(&duCb.upTnlCfg[delIdx], duCb.upTnlCfg[delIdx+1]);
+ if(ret != ROK)
+ {
+ return ret;
+ }
+ }
+ }
+ }
+ 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] ueIdx, cellId, DuUeCfg
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t duUpdateTunnelCfgDb(uint8_t ueIdx, uint8_t cellId, DuUeCfg *duUeCfg)
+{
+ uint8_t ret = ROK, drbIdx, duCbDrbIdx;
+ 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].ueIdx = ueIdx;
+ for(duCbDrbIdx = 0; duCbDrbIdx < duCb.numDrb; duCbDrbIdx++)
+ {
+ if(duCb.upTnlCfg[duCbDrbIdx]->drbId == duUeCfg->upTnlInfo[drbIdx].drbId)
+ {
+ drbFound = true; /* existing DRB */
+ if(duProcEgtpTunnelCfg(duCbDrbIdx, duCb.upTnlCfg[duCbDrbIdx], &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] ueIdx, cellIdx
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t duUpdateDuUeCbCfg(uint8_t ueIdx, uint8_t cellId)
+{
+ uint8_t ret = ROK, cellIdx = 0, crnti=0;
+ DuUeCb *ueCb = NULLP;
+
+ GET_CELL_IDX(cellId, cellIdx);
+
+ if((duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1].macUeCfg. \
+ macUeCfgState == UE_RECFG_COMPLETE) &&
+ (duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1].rlcUeCfg. \
+ rlcUeCfgState == UE_RECFG_COMPLETE))
+ {
+ ueCb = &duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1];
+
+ /*Filling RLC Ue Cfg */
+ ueCb->rlcUeCfg.cellId = cellId;
+ ueCb->rlcUeCfg.ueIdx = ueIdx;
+ ret = duUpdateRlcLcCfg(&ueCb->rlcUeCfg, ueCb->f1UeDb);
+ if(ret == ROK)
+ {
+ /*Filling MAC Ue Cfg */
+ GET_CRNTI(crnti, ueIdx);
+ ueCb->macUeCfg.cellId = cellId;
+ ueCb->macUeCfg.ueIdx = ueIdx;
+ 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(ueIdx, 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()");
+ }
+ else
+ ret = RFAILED;
+ 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;
+
+ if(cfgRsp)
+ {
+ 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 [UE IDX : %d]", cfgRsp->ueIdx);
+ duCb.actvCellLst[cfgRsp->cellId -1]->ueCb[cfgRsp->ueIdx -1].\
+ macUeCfg.macUeCfgState = UE_CREATE_COMPLETE;
+ }
+ else if(pst->event == EVENT_MAC_UE_RECONFIG_RSP)
+ {
+ DU_LOG("\nINFO --> DU APP : MAC UE Reconfig Response : SUCCESS [UE IDX : %d]", cfgRsp->ueIdx);
+ duCb.actvCellLst[cfgRsp->cellId -1]->ueCb[cfgRsp->ueIdx -1].\
+ macUeCfg.macUeCfgState = UE_RECFG_COMPLETE;
+ if((ret = duUpdateDuUeCbCfg(cfgRsp->ueIdx, cfgRsp->cellId)) == ROK)
+ {
+ BuildAndSendUeCtxtRsp(cfgRsp->ueIdx, cfgRsp->cellId);
+ duCb.actvCellLst[cfgRsp->cellId -1]->ueCb[cfgRsp->ueIdx -1].\
+ macUeCfg.macUeCfgState = 0;
+ }
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> DU APP : MAC UE CFG Response for EVENT[%d]: FAILURE [UE IDX : %d]", pst->event, cfgRsp->ueIdx);
+ 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
+ *
+ * @details
+ *
+ * Function : duBuildAndSendUeCreateReqToRlc
+ *
+ * Functionality:
+ * Processes UE create Req to RLC UL
+ *
+ * @params[in] cellId,
+ * ueIdx,