+++ /dev/null
-/*******************************************************************************
-################################################################################
-# Copyright (c) [2017-2019] [Radisys] #
-# #
-# Licensed under the Apache License, Version 2.0 (the "License"); #
-# you may not use this file except in compliance with the License. #
-# You may obtain a copy of the License at #
-# #
-# http://www.apache.org/licenses/LICENSE-2.0 #
-# #
-# Unless required by applicable law or agreed to in writing, software #
-# distributed under the License is distributed on an "AS IS" BASIS, #
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
-# See the License for the specific language governing permissions and #
-# limitations under the License. #
-################################################################################
-*******************************************************************************/
-
-/************************************************************************
-
- Name: LTE-MAC layer
-
- Type: C source file
-
- Desc: C source code for HD-FDD functions
-
- File: rg_sch_hdfdd.c
-
-**********************************************************************/
-
-/** @file rg_sch_hdfdd.c
-@brief This module handles the Periodic CQI/PMI/RI, SRS, SR and Half Duplex
- functionality
-*/
-
-/* header include files -- defines (.h) */
-#include "common_def.h"
-#include "lrg.h"
-#include "rgr.h"
-#include "tfu.h"
-#include "rg_env.h"
-#include "rg_sch_inf.h"
-#include "rg_sch_err.h"
-#include "rgr.h"
-#include "rgm.h"
-#include "rg_sch.h"
-#include "rg_sch_cmn.h"
-
-/* header/extern include files (.x) */
-#include "tfu.x" /* RGU types */
-#include "lrg.x" /* layer management typedefs for MAC */
-#include "rgr.x" /* layer management typedefs for MAC */
-#include "rgm.x" /* layer management typedefs for MAC */
-#include "rg_sch_inf.x" /* typedefs for Scheduler */
-#include "rg_sch.x" /* typedefs for Scheduler */
-#include "rg_sch_cmn.x"
-
-
-#ifdef LTEMAC_HDFDD
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-
-/* @details
- *
- * Function : rgSCHHdFddUeCfg
- *
- * Invoking Module Processing:
- * - This shall be invoked by SCH_GOM at UE Re/configuration.
- *
- * Processing Steps:
- * - For UE-specific Half Duplex
- * - Allocate the memory and place the UE in cellCb->hdUeLstCp
- * - Update subframes information state to defualt
- * - Update subframes information sfn to defualt
- * - Return ROK
- *
- * @param[in] RgSchCellCb *cell
- * @param[in] RgSchUeCb *ue
- * @param[in] Bool *hdFddEnbl
- *
- * @return S16
- * -# ROK
- * -# RFAILED
-*/
-
-S16 rgSCHHdFddUeCfg(RgSchCellCb *cellCb,RgSchUeCb *ueCb,Bool hdFddEnbl)
-{
- uint8_t sfi;
-
- DU_LOG("\nDEBUG --> SCH : rgSCHHdFddUeCfg(): UeId =%d hdFddEnbl=%d",
- ueCb->ueId, hdFddEnbl);
- if(ueCb->hdFddEnbld == TRUE)
- {
- if (hdFddEnbl == FALSE)
- {
- /* Do not allow switch from HD-FDD to FD-FDD configuration */
- DU_LOG("\nERROR --> SCH : rgSCHHdFddUeCfg(): HD-FDD to FD-FDD Configuration is not allowed"
- "CRNTI:%d",ueCb->ueId);
- }
- else
- {
- /* If already enabled then it can be second reconfiguration */
- DU_LOG("\nERROR --> SCH : rgSCHHdFddUeCfg(): HD-FDD already enabled for this UE"
- "CRNTI:%d",ueCb->ueId);
- }
- return RFAILED;
- }
-
-#ifdef LTEMAC_SPS
- /* Check is SPS enabled for this UE */
- if(hdFddEnbl == TRUE &&
- (ueCb->ul.ulSpsCfg.isUlSpsEnabled == TRUE ||
- ueCb->dl.dlSpsCfg.isDlSpsEnabled == TRUE))
- {
- DU_LOG("\nERROR --> SCH : rgSCHHdFddUeCfg(): Could'nt do HDFDD cfg, SPS already configured"
- "CRNTI:%d",ueCb->ueId);
- return RFAILED;
- }
-#endif
-
- ueCb->hdFddEnbld = hdFddEnbl;
- if( hdFddEnbl == TRUE)
- {
- rgSCHUtlAllocSBuf(cellCb->instIdx,(Data **) &ueCb->hdFddCb,
- sizeof(RgSchUeHdFddCb));
- if (ueCb->hdFddCb != NULLP)
- {
- for (sfi = 0; sfi < RG_SCH_HDFDD_NUMSFINFO; sfi++)
- {
- ueCb->hdFddCb->subfrm[sfi].subFrmDir = RG_SCH_HDFDD_NOSCHD;
- ueCb->hdFddCb->subfrm[sfi].sfn = RG_SCH_HDFDD_INVSFN;
- }
- /* Add this UE to list maintained in CellCb */
- /* cmLListAdd2Tail(&cellCb->hdFddLst,&ueCb->hdFddCb->hdFddLstEnt); */
- }
- else
- {
- DU_LOG("\nERROR --> SCH : rgSCHHdFddUeCfg(): Could not allocate memory for hd-fdd ueCb"
- "CRNTI:%d",ueCb->ueId);
- return RFAILED;
- }
- }
- return ROK;
-}/*rgSCHHdFddUeCfg*/
-
-
-/* @brief Frees Half Duplex related data structures
- *
- * @details
- *
- * Function : rgSCHHdFddUeDel
- *
- * Invoking Module Processing:
- * - This shall be invoked by SCH_GOM at Ue deletion.
- *
- * Processing Steps:
- * - if Half Duplex is enabled
- * - if (ueCb->hdFddCb != NULL)
- * - Remove ue from cellCb->hdUeLstCp;
- * - Dellocate memory
- * - else
- * - Nothing to do
- * - Return ROK
- * @param[in] RgSchCellCb *cell
- * @param[in] RgSchUeCb *ue
- *
- * @return ( S16
- * -# ROK
-*
-*/
-S16 rgSCHHdFddUeDel(RgSchCellCb *cellCb,RgSchUeCb *ueCb)
-{
-
- DU_LOG("\nDEBUG --> SCH : rgSCHHdFddUeDel(): UeId =%d hdFdd=%x",
- ueCb->ueId, ueCb->hdFddEnbld);
-
-
- if (ueCb->hdFddCb)
- {
- /* ccpu00117052 - MOD - Passing double pointer
- for proper NULLP assignment*/
- rgSCHUtlFreeSBuf(cellCb->instIdx, (Data **)(&(ueCb->hdFddCb)),
- sizeof(RgSchUeHdFddCb));
- ueCb->hdFddEnbld = FALSE;
- }
-
- return ROK;
-} /* rgSCHHdFddUeDel */
-
-
-
-#ifdef TFU_UPGRADE
-/* @brief Mark the subframes as uplink for HD FDD if CQI/RI or SRS or RI is
- * expecting .
- *
- * @details
- *
- * Function: rgSCHCmnHdFddPtUlMrk
- * Purpose: Updation of Periodic CQI/PMI, SRS and SR tranmission
- * instance updates
- * for HD FDD UEs
- * @param[in] RgSchCellCb *cell
- * @return None
- */
-
-Void rgSCHCmnHdFddPtUlMrk(RgSchCellCb *cellCb)
-{
- uint16_t sfn; /* System Frame Number */
- uint32_t pti; /* Index into Periodic table */
- uint16_t sfi; /* Index into HDFDD state table */
- CmLListCp *cqiLst;
- CmLListCp *srsLst;
- CmLListCp *srLst;
- CmLListCp *riLst;
- CmLList *cqiNode;
- CmLList *srsNode;
- CmLList *srNode;
- CmLList *riNode;
- CmLteTimingInfo timeInfo;
- RgSchUePCqiCb *cqiCb = NULLP;
- RgSchUePCqiCb *riCb = NULLP;
-
-
- timeInfo = cellCb->crntTime;
-
- /* Determine indexes */
- pti = RG_SCH_HDFDD_GETPTI(timeInfo);
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, RG_SCH_HDFDD_DELTA);
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, RG_SCH_HDFDD_DELTA);
-
- /* Get PT entries for */
- cqiLst = &cellCb->pCqiSrsSrLst[pti].cqiLst;
- srsLst = &cellCb->pCqiSrsSrLst[pti].srsLst;
- srLst = &cellCb->pCqiSrsSrLst[pti].srLst;
- riLst = &cellCb->pCqiSrsSrLst[pti].riLst;
-
- /* Get first node in each list */
- CM_LLIST_FIRST_NODE(cqiLst, cqiNode);
- CM_LLIST_FIRST_NODE(srsLst, srsNode);
- CM_LLIST_FIRST_NODE(riLst, riNode);
- CM_LLIST_FIRST_NODE(srLst, srNode);
-
- /* Mark corresponding the subframe as uplink control */
- while ((NULLP != cqiNode ) &&
- (NULLP != srsNode ) &&
- (NULLP != srNode ) &&
- (NULLP != riNode ))
- {
- cqiCb = (RgSchUePCqiCb *)(cqiNode->node);
- RG_SCH_HDFDD_VLDTANDMARK((RgSchUeCb*)(cqiCb->servCellInfo->ue),
- RG_SCH_HDFDD_UL, sfn, sfi);
- /* SRS Transmission instances */
- RG_SCH_HDFDD_VLDTANDMARK((RgSchUeCb*)srsNode->node,
- RG_SCH_HDFDD_UL, sfn, sfi);
- /* SR Transmission instances */
- RG_SCH_HDFDD_VLDTANDMARK((RgSchUeCb*)srNode->node,
- RG_SCH_HDFDD_UL, sfn, sfi);
- /* RI Transmission instances */
- riCb = (RgSchUePCqiCb *)(riNode->node);
- RG_SCH_HDFDD_VLDTANDMARK((RgSchUeCb*)riCb->servCellInfo->ue,
- RG_SCH_HDFDD_UL, sfn, sfi);
-
- /* Get next UeCb for all lists */
- CM_LLIST_NEXT_NODE(cqiLst, cqiNode);
- CM_LLIST_NEXT_NODE(srsLst, srsNode);
- CM_LLIST_NEXT_NODE(srLst, srNode);
- CM_LLIST_NEXT_NODE(riLst, riNode);
- }
-
- while ( NULLP != cqiNode)
- {
- /* CQI/PMI Transmission instances */
- cqiCb = (RgSchUePCqiCb *)(cqiNode->node);
- RG_SCH_HDFDD_VLDTANDMARK((RgSchUeCb*)(cqiCb->servCellInfo->ue),
- RG_SCH_HDFDD_UL, sfn, sfi);
- CM_LLIST_NEXT_NODE(cqiLst, cqiNode);
- }
- while( NULLP != srsNode)
- {
- /* SRS Transmission instances */
- RG_SCH_HDFDD_VLDTANDMARK(((RgSchUeCb*)srsNode->node),
- RG_SCH_HDFDD_UL, sfn, sfi);
- CM_LLIST_NEXT_NODE(srsLst, srsNode);
- }
- while( NULLP != srNode)
- {
- /* SR Transmission instances */
- RG_SCH_HDFDD_VLDTANDMARK(((RgSchUeCb*)srNode->node),
- RG_SCH_HDFDD_UL, sfn, sfi);
- CM_LLIST_NEXT_NODE(srLst, srNode);
- }
- while( NULLP != riNode)
- {
- /* RI Transmission instances */
- riCb = (RgSchUePCqiCb *)(riNode->node);
- RG_SCH_HDFDD_VLDTANDMARK((RgSchUeCb*)riCb->servCellInfo->ue,
- RG_SCH_HDFDD_UL, sfn, sfi);
- CM_LLIST_NEXT_NODE(riLst, riNode);
- }
-
- return;
-} /* rgSCHCmnHdFddPtUlMrk */
-#endif /* ifdef TFU_UPGRADE */
-
-
-
-/* @brief Decides whether UE can be allowed for DL in given subframe
- *
- * @details
- *
- * Function : rgSCHCmnHdFddChkUlAllow
- *
- * Invoking Module Processing:
- * - This shall be invoked by schedulars before allocating UL grants .
- *
- * Processing Steps:
- * - if Half Duplex is enabled
- * - If ue->sf[reqsf].state is "DONWLINK"
- * set alloweUlSch=FALSE
- * - else
- * set alloweUlSch=TRUE
- * This function Marking for BCCH/PCCH occasions is also done
- * - Return ROK
- * @param[in] RgSchCellCb *cell
- * @param[in] RgSchUeCb *ue
- *
- * @return None
- *
- */
-Void rgSCHCmnHdFddChkUlAllow(RgSchCellCb *cellCb,RgSchUeCb *ueCb,uint8_t *allow)
-{
- uint16_t sfn;
- uint16_t sfi;
- CmLteTimingInfo timeInfo;
- RgSchDlSf *sf = NULLP; /* Dl subframe info */
- uint8_t ulOffset
-
- DU_LOG("\nDEBUG --> SCH : rgSCHCmnHdFddChkUlAllow: ueId=%d ", ueCb->ueId);
-
- *allow = FALSE;
-
- timeInfo = cellCb->crntTime;
-
- ulOffset = RGSCH_PDCCH_PUSCH_DELTA -
- TFU_CRCIND_ULDELTA + RGSCH_PDCCH_PUSCH_DELTA;
- RG_SCH_ADD_TO_CRNT_TIME(cellCb->crntTime, timeInfo, ulOffset);
-
- /* Set default value */
- *allow = FALSE;
-
- /* Validate condition 1 */
- /* For (curretn time + DL_DELTA)th sf */
-
- /* Also get subframe pointer to fetch Common Ch allocation */
- sf = rgSCHUtlSubFrmGet(cellCb, timeInfo);
-
- sfn = timeInfo.sfn;
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, 0);
-
- /* Validate condition 2 */
- if (RG_SCH_HDFDD_ISCMN_SCHED(sf))
- {
- /* Common channel scheduled */
- /* Mark the BCCH/PCCH occasion */
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_DLDATA, sfn, sfi);
- DU_LOG("\nDEBUG --> SCH : rgSCHCmnHdFddChkUlAllow: Already marked for Cmn DL, ueId = %d ",
- ueCb->ueId);
- }
- if ((ueCb->hdFddCb->subfrm[sfi].sfn == sfn) &&
- (ueCb->hdFddCb->subfrm[sfi].subFrmDir == RG_SCH_HDFDD_DLDATA ||
- ueCb->hdFddCb->subfrm[sfi].subFrmDir == RG_SCH_HDFDD_DLCNTRL))
- {
- /* Downlink scheduled */
- *allow = FALSE;
- DU_LOG("\nERROR --> SCH : rgSCHCmnHdFddChkUlAllow: Already marked for DL, ueId = %d ",
- ueCb->ueId);
- return;
- }
-
- /* Validate condition 3 */
- /* For (curretn time + DL_DELTA + HRQ_DELTA)th sf
- - i.e. next HARQ Feedback occasion */
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, RG_SCH_CMN_HARQ_INTERVAL);
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, RG_SCH_CMN_HARQ_INTERVAL);
- if (ueCb->hdFddCb->subfrm[sfi].sfn == sfn &&
- ueCb->hdFddCb->subfrm[sfi].subFrmDir == RG_SCH_HDFDD_UL)
- {
- /* No place for HARQ feedback */
- *allow = FALSE;
- DU_LOG("\nERROR --> SCH : rgSCHCmnHdFddChkUlAllow: No Place for HARQ, ueId = %d ",
- ueCb->ueId);
- return;
-
- }
- /* Validate condition 4 */
- /* For (curretn time + DL_DELTA - HRQ_DELTA)th sf
- - i.e. previous HARQ Feedback occasion */
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, (-RG_SCH_CMN_HARQ_INTERVAL));
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, (-RG_SCH_CMN_HARQ_INTERVAL));
- if (ueCb->hdFddCb->subfrm[sfi].sfn == sfn &&
- ueCb->hdFddCb->subfrm[sfi].subFrmDir == RG_SCH_HDFDD_UL)
- {
- *allow = FALSE;
- DU_LOG("\nERROR --> SCH : rgSCHCmnHdFddChkUlAllow: No Place for UL grant, ueId = %d ",
- ueCb->ueId);
- return;
-
- }
- /* Validate condition 5 */
- /* For (curretn time + DL_DELTA - 1)th sf -i.e. Guard time */
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, (-RG_SCH_HDFDD_GRDTIM_DUR));
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, (-RG_SCH_HDFDD_GRDTIM_DUR));
- if (ueCb->hdFddCb->subfrm[sfi].sfn == sfn &&
- (ueCb->hdFddCb->subfrm[sfi].subFrmDir == RG_SCH_HDFDD_DLDATA))
- {
- /* This subframe may be a switching gaurd time */
- *allow = FALSE;
- DU_LOG("\nERROR --> SCH : rgSCHCmnHdFddChkUlAllow: No Place for Guard time, ueId = %d ",
- ueCb->ueId);
- return;
-
- }
- /* Adition guard time rule check: Above check is only for PDSCH, lets check
- is there is any BCCH/PCCH data scheduled */
- RG_SCH_ADD_TO_CRNT_TIME(cellCb->crntTime, timeInfo,
- (ulOffset - RG_SCH_HDFDD_GRDTIM_DUR));
- /* Also get subframe pointer to fetch Common Ch allocation */
- sf = rgSCHUtlSubFrmGet(cellCb, timeInfo);
- if (RG_SCH_HDFDD_ISCMN_SCHED(sf))
- {
- /* Common channel scheduled */
- /* Mark the BCCH/PCCH occasion */
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_DLDATA, timeInfo.sfn, sfi);
- *allow = FALSE;
- DU_LOG("\nERROR --> SCH : rgSCHCmnHdFddChkUlAllow: Already marked for Cmn DL, ueId = %d ",
- ueCb->ueId);
- return;
-
- }
-
- /* All validation done. Safe to for UL */
- *allow = TRUE;
- return;
-} /* rgSCHCmnHdFddChkUlAllow */
-
-
- /* @brief Decides whether UE can be allowed for UL in given subframe
- *
- * @details
- *
- * Function : rgSCHCmnHdFddChkDlAllow
- *
- * Invoking Module Processing:
- * - This shall be invoked by schedulars before allocating for DL.
- *
- * Processing Steps:
- * Condition 1: subframe n + DL_DELTA should not be uplink
- * Condition 2: subframe n+ DL_DELTA + 1 should meet guard time
- * creation rule. For more
- * information refer to section "2.25.7.1 Guard time
- * creation rule"
- * Condition 3: subframe n + DL_DELTA + HRQ_DELTA should not be
- * downlink so that downlink data (HARQ Feedback)
- * can be received in next 4 subframe. {n + 7} Above
- * conditions have to
- * be validated by taking SFN number into consideration.
- * if all conditions are met then *allow is set to TRUE or lese to
- * FALSE.
- * if hd-fdd is not anabled for this UE, then *allow is always TRUE.
- *
- * Returns None
- * @param[in] RgSchCellCb *cellCb
- * @param[in] RgSchUeCb *ueCb
- * @param[in] CmLteTimingInfo *timeInfo
- * @param[out] uint8_t *allow -- TRUE is allowed or FALSE if no allowedi.
- * Valdity of this pointer is not done in this function
- *
- */
-Void rgSCHCmnHdFddChkDlAllow
-(
-RgSchCellCb *cellCb,
-RgSchUeCb *ueCb,
-Bool *allow /* Valdity of this pointer is not done in this function */
-)
-{
- uint16_t sfn;
- uint16_t sfi;
- RgSchDlSf *sf = NULLP; /* Dl subframe info */
- CmLteTimingInfo timeInfo;
- CmLteTimingInfo tempTimeInfo;
-
- *allow = FALSE;
-
- timeInfo = cellCb->crntTime;
- RGSCH_INCR_SUB_FRAME(timeInfo, RG_SCH_CMN_DL_DELTA);
-
- DU_LOG("\nDEBUG --> SCH : rgSCHCmnHdFddDlSchAll (): ueId=%d ", ueCb->ueId);
-
- /* Also get subframe pointer to fetch Common Ch allocation */
- sf = rgSCHUtlSubFrmGet(cellCb, timeInfo);
-
- /* Validate condition 1 */
- /* For (curretn time + DL_DELTA)th sf */
- sfn = timeInfo.sfn;
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, 0);
-
- if ((ueCb->hdFddCb->subfrm[sfi].sfn == sfn) &&
- (ueCb->hdFddCb->subfrm[sfi].subFrmDir == RG_SCH_HDFDD_UL))
- {
- /* Uplink scheduled */
- DU_LOG("\nERROR --> SCH : rgSCHCmnHdFddChkDlAllow: sf is UL, ueId=%d ", ueCb->ueId);
- *allow = FALSE;
- return;
- }
-
- /* It is not validation, but BCCH/PCCH marking is done here */
- if (RG_SCH_HDFDD_ISCMN_SCHED(sf))
- {
- /* Common channel scheduled */
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_DLDATA, sfn, sfi); /* NOT_HIT */
- }
-
- /* Validate condition 2 */
- /* For (curretn time + DL_DELTA + 1)th sf -i.e. Guard time */
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, RG_SCH_HDFDD_GRDTIM_DUR);
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, RG_SCH_HDFDD_GRDTIM_DUR);
- if (ueCb->hdFddCb->subfrm[sfi].sfn == sfn &&
- (ueCb->hdFddCb->subfrm[sfi].subFrmDir == RG_SCH_HDFDD_UL))
- {
- /* This subframe may be a switching guard time */
- DU_LOG("\nERROR --> SCH : rgSCHCmnHdFddChkDlAllow: Guard time rule not met, ueId=%d ",
- ueCb->ueId);
- *allow = FALSE;
- return;
- }
-
- /* Validate condition 3 */
- /* For (curretn time + DL_DELTA + HRQ_DELTA)th sf - i.e. next HARQ
- Feedback occasion */
-
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, RG_SCH_CMN_HARQ_INTERVAL);
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, RG_SCH_CMN_HARQ_INTERVAL);
-
- /* First check for any Common channel info is scheduled */
- RG_SCH_ADD_TO_CRNT_TIME(timeInfo, tempTimeInfo, RG_SCH_CMN_HARQ_INTERVAL)
- /* Also get subframe pointer to fetch Common Ch allocation */
- sf = rgSCHUtlSubFrmGet(cellCb, tempTimeInfo);
- if (RG_SCH_HDFDD_ISCMN_SCHED(sf))
- {
- /* Common channel scheduled */
- /* Do the marking for this subframe */
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_DLDATA, tempTimeInfo.sfn, sfi);
- DU_LOG("\nDEBUG --> SCH : rgSCHCmnHdFddChkDlAllow: Possible systemInfo, ueId=%d ",
- ueCb->ueId);
- }
-
- /* Check for actual validation condition 3 */
- if (ueCb->hdFddCb->subfrm[sfi].sfn == sfn &&
- ueCb->hdFddCb->subfrm[sfi].subFrmDir != RG_SCH_HDFDD_UL)
- {
- /* No place for HARQ feedback */
- DU_LOG("\nERROR --> SCH : rgSCHCmnHdFddChkDlAllow: No place for HARQ feedback, ueId=%d ",
- ueCb->ueId);
- *allow = FALSE;
-
- /* Mark this sf as DLCNTRL */
- ueCb->hdFddCb->subfrm[sfi].subFrmDir =RG_SCH_HDFDD_DLCNTRL;
- return;
- }
-
-
- /* If we are here then, subframe at HARQth location can be UL.
- But check if Guard violation is done */
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, RG_SCH_CMN_HARQ_INTERVAL-1);
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, RG_SCH_CMN_HARQ_INTERVAL-1);
- /* check for any Common channel info is scheduled */
- RG_SCH_ADD_TO_CRNT_TIME(timeInfo, tempTimeInfo, (RG_SCH_CMN_HARQ_INTERVAL-1))
- /* Also get subframe pointer to fetch Common Ch allocation */
- sf = rgSCHUtlSubFrmGet(cellCb, tempTimeInfo);
- if (RG_SCH_HDFDD_ISCMN_SCHED(sf))
- {
- /* Common channel scheduled */
- /* Do the marking for this subframe */
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_DLDATA, tempTimeInfo.sfn, sfi);
- DU_LOG("\nDEBUG --> SCH : rgSCHCmnHdFddChkDlAllow: (GT) Possible systemInfo, ueId=%d ",
- ueCb->ueId);
- }
-
- if (ueCb->hdFddCb->subfrm[sfi].sfn == sfn &&
- ueCb->hdFddCb->subfrm[sfi].subFrmDir == RG_SCH_HDFDD_DLDATA)
- {
- /* No place for HARQ feedback */
- DU_LOG("\nERROR --> SCH : rgSCHCmnHdFddChkDlAllow: (GT) No place for HARQ feedback,"
- "ueId=%d ",ueCb->ueId);
-
- *allow = FALSE;
- return;
- }
- /* First check for any Common channel info is scheduled */
-
- *allow = TRUE;
- /* All validation done. Safe to for DL */
- return;
-} /* rgSCHCmnHdFddChkDlAllow */
-
-
-
-/* @brief Decides whether NACK can be sent in a given subrame
- *
- * @details
- *
- * Function : rgSCHCmnHdFddChkNackAllow
- *
- * Invoking Module Processing:
- * - This shall be invoked by schedulars.
- *
- * @param[in] RgSchUeCb *ue
- *
- * @return None
- *
- */
-
-Void rgSCHCmnHdFddChkNackAllow(RgSchCellCb *cellCb,RgSchUeCb *ueCb,CmLteTimingInfo timeInfo,Bool *sndNACK)
-{
- RgSchDlSf *sf;
- CmLteTimingInfo tempTimeInfo;
-
- /* Information in timeInfo contains (n+DL_DELTA) th subframe info*/
-
- *sndNACK = FALSE;
-
- /* Determine SFN and sf index for current subframe.
- Note: Round function used as example */
- tempTimeInfo = timeInfo;
- RGSCH_INCR_SUB_FRAME(tempTimeInfo, RG_SCH_CMN_HARQ_INTERVAL);
-
- /* Also get subframe pointer to fetch Common Ch allocation */
- sf = rgSCHUtlSubFrmGet(cellCb, tempTimeInfo);
-
- /* Check is this subframe has any Common Channel info scheduled */
- if(RG_SCH_HDFDD_ISCMN_SCHED(sf))
- {
- /* Yes, Cannot send NACK */
- DU_LOG("\nERROR --> SCH : rgSCHCmnHdFddChkNackAllow: Cannot send NACK, ueId = %d ",
- ueCb->ueId);
- *sndNACK = FALSE;
- }
- else
- {
- /* safe, Send NACK */
- DU_LOG("\nDEBUG --> SCH : rgSCHCmnHdFddChkNackAllow: NACk can be sent, ueId = %d ",
- ueCb->ueId);
- *sndNACK = TRUE;
- }
-
- return;
-} /* rgSCHCmnHdFddChkNackAllow */
-
-
-
-
- /* @brief makes final marking for HD-FDD UL allocations
- *
- * @details
- *
- * Function : rgSCHCmnHdFddUpdULMark
- *
- * Invoking Module Processing:
- * - This shall be invoked by schedulars at the time of UL allocation
- * finalization.
- *
- * Processing Steps:
- *
- * @param[in] RgSchCellCb *cellCb
- * @param[in] RgSchUeCb *ueCb
- * @param[in] CmLteTimingInfo *timeInfo
- * @param[out] uint8_t *allow -- TRUE is allowed or FALSE if no allowedi.
- * Valdity of this pointer is not done in this function.
- *
- * @return None
- */
-Void rgSCHCmnHdFddUpdULMark(RgSchCellCb *cellCb,RgSchUeCb *ueCb)
-{
-
- uint16_t sfn;
- uint16_t sfi;
- CmLteTimingInfo timeInfo;
- uint8_t ulOffset;
-
- ulOffset = RGSCH_PDCCH_PUSCH_DELTA -
- TFU_CRCIND_ULDELTA + RGSCH_PDCCH_PUSCH_DELTA;
- RG_SCH_ADD_TO_CRNT_TIME(cellCb->crntTime, timeInfo, ulOffset)
-
-
- /* Mark (n + UL_DELTA)th subframe as UL */
- sfn = timeInfo.sfn;
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, 0);
-
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_UL, sfn, sfi);
-
- /* Mark (n + UL_DELTA + HARQ_DELTA)th subframe as DL */
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, RG_SCH_CMN_HARQ_INTERVAL);
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, RG_SCH_CMN_HARQ_INTERVAL);
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_DLCNTRL, sfn, sfi);
-
- /* Mark (n + UL_DELTA - HARQ_DELTA)th subframe as DL */
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, (0-RG_SCH_CMN_HARQ_INTERVAL));
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, (0-RG_SCH_CMN_HARQ_INTERVAL));
- if (ueCb->hdFddCb->subfrm[sfi].subFrmDir != RG_SCH_HDFDD_DLDATA)
- {
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_DLCNTRL, sfn, sfi);
- }
-
- /* Mark (n + UL_DELTA - 1)th subframe as DL_CNTRL */
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, -RG_SCH_HDFDD_GRDTIM_DUR);
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, -RG_SCH_HDFDD_GRDTIM_DUR);
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_DLCNTRL, sfn, sfi);
-
- /* Remove marking for older subframes */
-
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, (S16)(ulOffset * -1));
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, (ulOffset * -1));
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_NOSCHD, RG_SCH_HDFDD_INVSFN, sfi);
-
- return;
-} /* rgSCHCmnHdFddUpdULMark */
-
-
-
-
- /* @brief makes final marking for HD-FDD DL allocations
- *
- * @details
- *
- * Function : rgSCHCmnHdFddUpdDLMark
- *
- * Invoking Module Processing:
- * - This shall be invoked by schedulars at the time of DL allocation
- * finalization.
- *
- * Processing Steps:
- *
- * @param[in] RgSchCellCb *cellCb
- * @param[in] RgSchUeCb *ueCb
- * @param[in] CmLteTimingInfo *timeInfo
- * @param[out] uint8_t *allow -- TRUE is allowed or FALSE if no allowed.
- * Valdity of this pointer is not done in this function
- *
- * @return None
- */
-
-Void rgSCHCmnHdFddUpdDLMark(RgSchCellCb *cellCb,RgSchUeCb *ueCb)
-{
-
- uint16_t sfn;
- uint16_t sfi;
- CmLteTimingInfo timeInfo;
-
- timeInfo = cellCb->crntTime;
- RGSCH_INCR_SUB_FRAME(timeInfo, RG_SCH_CMN_DL_DELTA);
-
- /* Mark (n + DL_DELTA)th subframe as DL */
- sfn = timeInfo.sfn;
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, 0);
-
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_DLDATA, sfn, sfi);
-
- /* Mark (n + 1)th subframe as DL_CNTRL */
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, RG_SCH_HDFDD_GRDTIM_DUR);
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, RG_SCH_HDFDD_GRDTIM_DUR);
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_DLCNTRL, sfn, sfi);
-
- /* Mark (n + DL_DELTA + HARQ_DELTA )th subframe as UL */
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo, RG_SCH_CMN_HARQ_INTERVAL);
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo, RG_SCH_CMN_HARQ_INTERVAL);
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_UL, sfn, sfi);
-
- /* Mark (n + DL_DELTA + HARQ_DELTA - 1)th subframe
- as DL control for Guard period */
- RG_SCH_HDFDD_GETSFN(sfn, timeInfo,
- (RG_SCH_CMN_HARQ_INTERVAL - RG_SCH_HDFDD_GRDTIM_DUR));
- RG_SCH_HDFDD_GETSFI(sfi, timeInfo,
- (RG_SCH_CMN_HARQ_INTERVAL - RG_SCH_HDFDD_GRDTIM_DUR));
- if (ueCb->hdFddCb->subfrm[sfi].subFrmDir != RG_SCH_HDFDD_UL)
- {
- RG_SCH_HDFDD_MARKSTATE(ueCb, RG_SCH_HDFDD_DLCNTRL, sfn, sfi);
- }
-
- return;
-} /* rgSCHCmnHdFddUpdDLMark */
-
-
- /* @brief determines effective SFN
- *
- * @details
- *
- * Function : rgSCHHdFddGetSfn
- *
- * Invoking Module Processing:
- * Any HD-FDD module can invoke this function.
- *
- * Processing Steps:
- *
- * @param[out] *sfn uint32_t
- * @param[in] timeInfo timing information subframe of interest
- * @param[in] offsest Offest with w.r.t which SFN has to be determined
- *
- * @return None
- */
-
-Void rgSCHHdFddGetSfn(uint16_t *sfn,CmLteTimingInfo timeInfo,S16 offset)
-{
- uint16_t tempSfn;
- S16 tempSfCount;
-
- if(((S16)(timeInfo.subframe) + offset) >= RGSCH_NUM_SUB_FRAMES)
- {
- /* Increament to number of times of SFNs that can be possible
- with this offset */
- tempSfn = (timeInfo.sfn +
- ((timeInfo.subframe + offset) / RGSCH_NUM_SUB_FRAMES))
- & (RGSCH_MAX_SFN -1); /* Mod with MAX SFN supported */
- }
- else
- {
- if(((S16)(timeInfo.subframe) + offset) < 0)
- {
- /* If negative, then definitely at least previous SFN */
- tempSfn = (timeInfo.sfn - 1) & (RGSCH_MAX_SFN -1);
-
- /* Now find how many more times we need to decreament */
- tempSfCount = timeInfo.subframe + offset;
- RG_SCH_HDFDD_ROLLSFN(tempSfCount, tempSfn);
- }
- else
- {
- /* No change in sfn */
- tempSfn = timeInfo.sfn;
- }
- }
- *sfn = tempSfn;
-
- return;
-} /* End of rgSCHHdFddGetSfn */
-
-
-#ifdef __cplusplus
-}
- /* extern C */
-#endif /* __cplusplus */
-
-#endif /* LTEMAC_HDFDD */
-
-
-
-
-/**********************************************************************
-
- End of file
-**********************************************************************/
Code Review / o-du / l2.git / blobdiff