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Commit 319ae6fb authored by calvin wang's avatar calvin wang
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fix bsr report inaccurate value

parent 3bd591bf
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Showing with 109 additions and 73 deletions
openair2/LAYER2/MAC/config.c
View file @ 319ae6fb
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.0 (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.openairinterface.org/?page_id=698
*
* 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.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file config.c
* \brief UE and eNB configuration performed by RRC or as a consequence of RRC procedures
* \author Navid Nikaein and Raymond Knopp
......@@ -73,6 +80,7 @@ void ue_mac_reset(module_id_t module_idP,uint8_t eNB_index)
UE_mac_inst[module_idP].BSR_reporting_active[PADDING_BSR]=0;
UE_mac_inst[module_idP].BSR_reporting_active[PERIODIC_BSR]=0;
UE_mac_inst[module_idP].retxBSRTimer_expires_flag = 0;
UE_mac_inst[module_idP].periodBSRTimer_expires_flag = 0;
// stop ongoing RACH procedure
// discard explicitly signaled ra_PreambleIndex and ra_RACH_MaskIndex, if any
......@@ -247,12 +255,13 @@ rrc_mac_config_req(
UE_mac_inst[Mod_idP].scheduling_info.extendedPHR_r10 = (uint16_t)0;
}
#endif
UE_mac_inst[Mod_idP].scheduling_info.periodicBSR_SF = 0xFFFF;
UE_mac_inst[Mod_idP].scheduling_info.retxBSR_SF = 0xFFFF;
UE_mac_inst[Mod_idP].scheduling_info.periodicBSR_SF = MAC_UE_BSR_TIMER_NOT_RUNNING;
UE_mac_inst[Mod_idP].scheduling_info.retxBSR_SF = MAC_UE_BSR_TIMER_NOT_RUNNING;
UE_mac_inst[Mod_idP].BSR_reporting_active[REGULAR_BSR]=0;
UE_mac_inst[Mod_idP].BSR_reporting_active[PADDING_BSR]=0;
UE_mac_inst[Mod_idP].BSR_reporting_active[PERIODIC_BSR]=0;
UE_mac_inst[Mod_idP].retxBSRTimer_expires_flag = 0;
UE_mac_inst[Mod_idP].periodBSRTimer_expires_flag = 0;
LOG_D(MAC,"[UE %d]: periodic BSR %d (SF), retx BSR %d (SF)\n",
Mod_idP,
......
openair2/LAYER2/MAC/defs.h
View file @ 319ae6fb
......@@ -133,6 +133,8 @@
/*!\brief maximum value for channel quality indicator */
#define MAX_CQI_VALUE 15
//if value equal oxFFFF means counters are NOT active
#define MAC_UE_BSR_TIMER_NOT_RUNNING (0xFFFF)
#define LCID_EMPTY 0
#define LCID_NOT_EMPTY 1
......@@ -226,7 +228,6 @@ typedef struct {
uint32_t Buffer_size2:6;
uint32_t Buffer_size1:6;
uint32_t Buffer_size0:6;
uint32_t padding:8;
} __attribute__((__packed__))BSR_LONG;
#define BSR_LONG_SIZE (sizeof(BSR_LONG))
......@@ -345,6 +346,7 @@ typedef enum {
PERIODIC_BSR
} UE_FIRST_LEVEL_BSR_TYPE;
/*! \brief Downlink SCH PDU Structure */
typedef struct {
int8_t payload[8][SCH_PAYLOAD_SIZE_MAX];
......@@ -1096,7 +1098,9 @@ typedef struct {
uint8_t BSR_reporting_active[BSR_TYPE_FIRST_LEVEL];
/// retxBSR-Timer expires flag
uint8_t retxBSRTimer_expires_flag;
/// periodBSR-Timer expires flag
uint8_t periodBSRTimer_expires_flag;
/// MBSFN_Subframe Configuration
struct MBSFN_SubframeConfig *mbsfn_SubframeConfig[8]; // FIXME replace 8 by MAX_MBSFN_AREA?
/// number of subframe allocation pattern available for MBSFN sync area
......
openair2/LAYER2/MAC/proto.h
View file @ 319ae6fb
......@@ -538,14 +538,14 @@ UE_L2_STATE_t ue_scheduler(
*/
int cba_access(module_id_t module_idP,frame_t frameP,sub_frame_t subframe, uint8_t eNB_index,uint16_t buflen);
/*! \fn int get_bsr_lcgid (module_id_t module_idP);
/*! \fn int update_bsr_and_get_bsr_lcgid (module_id_t module_idP);
\brief determine the lcgid for the bsr
\param[in] Mod_id instance of the UE
\param[out] lcgid
*/
int get_bsr_lcgid (module_id_t module_idP);
int update_bsr_and_get_bsr_lcgid (module_id_t module_idP);
/*! \fn int get_bsr_type (module_id_t module_idP,uint16_t bufflen);
/*! \fn int get_bsr_type (module_id_t module_idP, uint8_t eNB_index,frame_t frameP,uint16_t buflen);
\brief determine whether the bsr is short or long assuming that the MAC pdu is built
\param[in] Mod_id instance of the UE
\param[in] bufflen size of phy transport block
......
openair2/LAYER2/MAC/ue_procedures.c
View file @ 319ae6fb
......@@ -91,7 +91,7 @@ void ue_init_mac(module_id_t module_idP)
// default values as deined in 36.331 sec 9.2.2
LOG_I(MAC,"[UE%d] Applying default macMainConfig\n",module_idP);
//UE_mac_inst[module_idP].scheduling_info.macConfig=NULL;
UE_mac_inst[module_idP].scheduling_info.retxBSR_Timer= MAC_MainConfig__ul_SCH_Config__retxBSR_Timer_sf2560;
UE_mac_inst[module_idP].scheduling_info.retxBSR_Timer= MAC_MainConfig__ul_SCH_Config__retxBSR_Timer_sf10240;
UE_mac_inst[module_idP].scheduling_info.periodicBSR_Timer=MAC_MainConfig__ul_SCH_Config__periodicBSR_Timer_infinity;
UE_mac_inst[module_idP].scheduling_info.periodicPHR_Timer = MAC_MainConfig__phr_Config__setup__periodicPHR_Timer_sf20;
UE_mac_inst[module_idP].scheduling_info.prohibitPHR_Timer = MAC_MainConfig__phr_Config__setup__prohibitPHR_Timer_sf20;
......@@ -107,13 +107,14 @@ void ue_init_mac(module_id_t module_idP)
UE_mac_inst[module_idP].scheduling_info.drx_config=NULL;
UE_mac_inst[module_idP].scheduling_info.phr_config=NULL;
// set init value 0xFFFF, make sure periodic timer and retx time counters are NOT active, after bsr transmission set the value configured by the NW.
UE_mac_inst[module_idP].scheduling_info.periodicBSR_SF = 0xFFFF;
UE_mac_inst[module_idP].scheduling_info.retxBSR_SF = 0xFFFF;
UE_mac_inst[module_idP].scheduling_info.periodicBSR_SF = MAC_UE_BSR_TIMER_NOT_RUNNING;
UE_mac_inst[module_idP].scheduling_info.retxBSR_SF = MAC_UE_BSR_TIMER_NOT_RUNNING;
UE_mac_inst[module_idP].BSR_reporting_active[REGULAR_BSR]=0;
UE_mac_inst[module_idP].BSR_reporting_active[PADDING_BSR]=0;
UE_mac_inst[module_idP].BSR_reporting_active[PERIODIC_BSR]=0;
UE_mac_inst[module_idP].retxBSRTimer_expires_flag = 0;
UE_mac_inst[module_idP].periodBSRTimer_expires_flag = 0;
UE_mac_inst[module_idP].scheduling_info.periodicPHR_SF = get_sf_perioidicPHR_Timer(UE_mac_inst[module_idP].scheduling_info.periodicPHR_Timer);
UE_mac_inst[module_idP].scheduling_info.prohibitPHR_SF = get_sf_prohibitPHR_Timer(UE_mac_inst[module_idP].scheduling_info.prohibitPHR_Timer);
UE_mac_inst[module_idP].scheduling_info.PathlossChange_db = get_db_dl_PathlossChange(UE_mac_inst[module_idP].scheduling_info.PathlossChange);
......@@ -320,6 +321,7 @@ uint32_t ue_get_SR(module_id_t module_idP,int CC_id,frame_t frameP,uint8_t eNB_i
UE_mac_inst[module_idP].BSR_reporting_active[PADDING_BSR]=0;
UE_mac_inst[module_idP].BSR_reporting_active[PERIODIC_BSR]=0;
UE_mac_inst[module_idP].retxBSRTimer_expires_flag = 0;
UE_mac_inst[module_idP].periodBSRTimer_expires_flag = 0;
LOG_T(MAC,"[UE %d] Release all SRs \n", module_idP);
return(0);
}
......@@ -1359,12 +1361,25 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
num_sdus = 1;
//update_bsr(module_idP, frameP, eNB_index, DCCH, UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]);
//header_len +=2;
// update LCID remain buffer
UE_mac_inst[module_idP].scheduling_info.LCID_status[DCCH] = LCID_EMPTY;
if (rlc_status.bytes_in_buffer > sdu_lengths[0]) {
UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[DCCH] = rlc_status.bytes_in_buffer-sdu_lengths[0];
} else {
UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[DCCH] = 0;
}
// update LCGID buffer, in order to get right BSR value
if (UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]] > sdu_lengths[0]) {
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]] -= sdu_lengths[0];
} else {
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]] = 0;
LOG_I(MAC, "[UE %d] Frame %d Subframe%d: WARNING Buffer occupancy =%d for LCGID%d is lower than data to transmit=%d for LCID%d\n",
module_idP,frameP,subframe,
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]],
UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH],
rlc_status.bytes_in_buffer,DCCH);
}
} else {
dcch_header_len=0;
num_sdus = 0;
......@@ -1408,7 +1423,11 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
} else {
UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[DCCH1] = 0;
}
if (UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH1]] > sdu_lengths[num_sdus]) {
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH1]] -= sdu_lengths[num_sdus];
} else {
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH1]] = 0;
}
num_sdus++;
} else {
dcch1_header_len =0;
......@@ -1416,7 +1435,7 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
dtch_header_len=0;
dtch_header_len_last=0;
for (lcid=NB_RB_MAX-1; lcid>=DTCH ; lcid--){
for (lcid=MAX_NUM_LCID-1; lcid>=DTCH ; lcid--){
dtch_header_len+=3;
dtch_header_len_last=3;
......@@ -1469,7 +1488,13 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
} else {
UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid] = 0;
}
if (UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[lcid]] > sdu_lengths[num_sdus]) {
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[lcid]] -= sdu_lengths[num_sdus];
} else {
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[lcid]] = 0;
}
printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~rlc_status.bytes_in_buffer %d,sdu_lengths[num_sdus] %d buflen %d all_pdu_len %d\n"
,rlc_status.bytes_in_buffer ,sdu_lengths[num_sdus],buflen, all_pdu_len);
//UE_mac_inst[module_idP].ul_active = update_bsr(module_idP, frameP, eNB_index,lcid, UE_mac_inst[module_idP].scheduling_info.LCGID[lcid]);
num_sdus++;
} else {
......@@ -1481,13 +1506,13 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
}
}
lcgid= get_bsr_lcgid(module_idP);
lcgid= update_bsr_and_get_bsr_lcgid(module_idP);
if (lcgid < 0 ) {
bsr_s = NULL;
bsr_l = NULL;
bsr_t = NULL;
} else if ((lcgid ==MAX_NUM_LCGID) && (bsr_type == LONG_BSR)) {
} else if (bsr_type == LONG_BSR) {
bsr_s = NULL;
bsr_t = NULL;
bsr_l->Buffer_size0 = UE_mac_inst[module_idP].scheduling_info.BSR[LCGID0];
......@@ -1500,15 +1525,6 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
UE_mac_inst[module_idP].scheduling_info.BSR[LCGID1],
UE_mac_inst[module_idP].scheduling_info.BSR[LCGID2],
UE_mac_inst[module_idP].scheduling_info.BSR[LCGID3]);
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[LCGID0] = 0;
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[LCGID1] = 0;
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[LCGID2] = 0;
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[LCGID3] = 0;
UE_mac_inst[module_idP].scheduling_info.BSR[LCGID0] = 0;
UE_mac_inst[module_idP].scheduling_info.BSR[LCGID1] = 0;
UE_mac_inst[module_idP].scheduling_info.BSR[LCGID2] = 0;
UE_mac_inst[module_idP].scheduling_info.BSR[LCGID3] = 0;
} else if (bsr_type == SHORT_BSR) {
bsr_l = NULL;
bsr_t = NULL;
......@@ -1517,8 +1533,6 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
LOG_I(MAC,"%%%%%%%%%%%%%%%%%%%%%%%%%%%%%[UE %d] Frame %d SubFrame %d,report SHORT BSR with level %d for LCGID %d\n",
module_idP, frameP, subframe, UE_mac_inst[module_idP].scheduling_info.BSR[lcgid],lcgid);
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcgid] = 0;
UE_mac_inst[module_idP].scheduling_info.BSR[lcgid] = 0;
} else if (bsr_type == TRUNCATED_BSR) {
bsr_l = NULL;
bsr_s = NULL;
......@@ -1527,8 +1541,6 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
LOG_D(MAC,"[UE %d] Frame %d report SHORT BSR with level %d for LCGID %d\n",
module_idP, frameP, UE_mac_inst[module_idP].scheduling_info.BSR[lcgid],lcgid);
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcgid] = 0;
UE_mac_inst[module_idP].scheduling_info.BSR[lcgid] = 0;
} else {
bsr_s = NULL;
bsr_l = NULL;
......@@ -1620,6 +1632,7 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
UE_mac_inst[module_idP].scheduling_info.periodicBSR_SF = get_sf_periodicBSRTimer(UE_mac_inst[module_idP].scheduling_info.periodicBSR_Timer);
UE_mac_inst[module_idP].scheduling_info.retxBSR_SF = get_sf_retxBSRTimer(UE_mac_inst[module_idP].scheduling_info.retxBSR_Timer);
UE_mac_inst[module_idP].retxBSRTimer_expires_flag = 0;
UE_mac_inst[module_idP].periodBSRTimer_expires_flag = 0;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GET_SDU, VCD_FUNCTION_OUT);
stop_meas(&UE_mac_inst[module_idP].tx_ulsch_sdu);
......@@ -1789,7 +1802,7 @@ ue_scheduler(
/*
periodicBSR-Timer expires, in which case the BSR is referred below to as "Periodic BSR".
*/
UE_mac_inst[module_idP].BSR_reporting_active[PERIODIC_BSR] = 1;
UE_mac_inst[module_idP].periodBSRTimer_expires_flag = 1;
UE_mac_inst[module_idP].scheduling_info.periodicBSR_SF = periodicBSR_Timer_infinity_value;
} else {
UE_mac_inst[module_idP].scheduling_info.periodicBSR_SF--;
......@@ -2057,16 +2070,18 @@ int cba_access(module_id_t module_idP,frame_t frameP,sub_frame_t subframe, uint8
}
#endif
int get_bsr_lcgid (module_id_t module_idP)
//AFTER transmission update BSR value, and get witch LCGID have BSR
int update_bsr_and_get_bsr_lcgid (module_id_t module_idP)
{
int lcgid, lcgid_tmp=-1;
int num_active_lcgid = 0;
for (lcgid = 0 ; lcgid < MAX_NUM_LCGID; lcgid++) {
// update BSR value, then ue can reprot correct value
UE_mac_inst[module_idP].scheduling_info.BSR[lcgid] = locate_BsrIndexByBufferSize(BSR_TABLE, BSR_TABLE_SIZE, UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcgid]);
if (UE_mac_inst[module_idP].scheduling_info.BSR[lcgid] > 0 ) {
lcgid_tmp = lcgid;
num_active_lcgid+=1;
printf("////////////////////////////////lcgid %d, BSR %d\n",lcgid,UE_mac_inst[module_idP].scheduling_info.BSR[lcgid]);
}
}
......@@ -2087,12 +2102,12 @@ int get_bsr_type (module_id_t module_idP, uint8_t eNB_index,frame_t frameP,uint1
mac_rlc_status_resp_t rlc_status;
int long_bsr_size=sizeof(SCH_SUBHEADER_FIXED)+sizeof(BSR_LONG);
int short_bsr_size=sizeof(SCH_SUBHEADER_FIXED)+sizeof(BSR_SHORT);
int bsr_group_id[MAX_NUM_LCGID];
int lcg_report_num=0;
int lcgid_have_bsr_report_flag[MAX_NUM_LCGID];
int num_lcg_id_with_data=0;
int new_data_arrived_flag=0;
for (lcgid=0; lcgid < MAX_NUM_LCGID; lcgid++ ) {
bsr_group_id[lcgid] = 0;
lcgid_have_bsr_report_flag[lcgid] = 0;
}
for (lcid=DCCH; lcid<NB_RB_MAX ; lcid++) {
......@@ -2103,6 +2118,11 @@ int get_bsr_type (module_id_t module_idP, uint8_t eNB_index,frame_t frameP,uint1
*/
if (UE_mac_inst[module_idP].retxBSRTimer_expires_flag == 1) {
UE_mac_inst[module_idP].BSR_reporting_active[REGULAR_BSR] = 1;
printf("retxBsrTimer flag %d, periodBsrTimer %d, regular bsr trigger\n",UE_mac_inst[module_idP].retxBSRTimer_expires_flag, UE_mac_inst[module_idP].periodBSRTimer_expires_flag);
}
if (UE_mac_inst[module_idP].periodBSRTimer_expires_flag == 1) {
UE_mac_inst[module_idP].BSR_reporting_active[PERIODIC_BSR] = 1;
printf("retxBsrTimer flag %d, periodBsrTimer %d, period bsr trigger\n",UE_mac_inst[module_idP].retxBSRTimer_expires_flag, UE_mac_inst[module_idP].periodBSRTimer_expires_flag);
}
pdu += rlc_status.bytes_in_buffer + sizeof(SCH_SUBHEADER_SHORT);
if (rlc_status.bytes_in_buffer > 128 ) {
......@@ -2113,43 +2133,46 @@ int get_bsr_type (module_id_t module_idP, uint8_t eNB_index,frame_t frameP,uint1
which belong to any LCG and for which data is already available for transmission
*/
if (rlc_status.bytes_in_buffer > UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid]) {
bsr_group_id[UE_mac_inst[module_idP].scheduling_info.LCGID[lcid]] ++;
lcgid_have_bsr_report_flag[UE_mac_inst[module_idP].scheduling_info.LCGID[lcid]] = 1;
new_data_arrived_flag = 1;
UE_mac_inst[module_idP].BSR_reporting_active[REGULAR_BSR] = 1;
}
}
}
/*
// one lcid buffer increased and all lcid buffer increased
if ((new_data_arrived_flag == 1) && (pdu > UE_mac_inst[module_idP].scheduling_info.All_lcid_buffer_size_lastTTI)) {
UE_mac_inst[module_idP].BSR_reporting_active[REGULAR_BSR] = 1;
}
*/
UE_mac_inst[module_idP].scheduling_info.All_lcid_buffer_size_lastTTI = pdu;
/* or there is no data available for transmission for any of the logical channels which belong to a LCG,
in which case the BSR is referred below to as "Regular BSR"
if (pdu == 0) {
/* empty buffer, report 0 bsr reset eNB buffer
*/
if ((pdu == 0) && (UE_mac_inst[module_idP].scheduling_info.All_lcid_buffer_size_lastTTI > 0)) {
UE_mac_inst[module_idP].BSR_reporting_active[REGULAR_BSR] = 1;
}
*/
// computed how many LCG has data available for transmission
UE_mac_inst[module_idP].scheduling_info.All_lcid_buffer_size_lastTTI = pdu;
// computed how many LCGID has data available for transmission
for (lcgid=0; lcgid < MAX_NUM_LCGID; lcgid++ ) {
if (bsr_group_id[lcgid] > 0) {
lcg_report_num ++;
printf("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@lcgid bsr %d > 0\n",lcgid);
if (lcgid_have_bsr_report_flag[lcgid] == 1) {
num_lcg_id_with_data ++;
printf("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@lcgid %d have bsr report\n",lcgid);
}
}
/*
UL resources are allocated and number of padding bits is equal to or larger than the size of the Buffer Status
Report MAC control element plus its subheader, in which case the BSR is referred below to as "Padding BSR"
*/
if ((pdu > 0) && ((pdu+long_bsr_size) <= buflen)) {
UE_mac_inst[module_idP].BSR_reporting_active[PADDING_BSR] = 1;
}
*/
if ((pdu+long_bsr_size) <= buflen) {
UE_mac_inst[module_idP].BSR_reporting_active[PADDING_BSR] = 0;
UE_mac_inst[module_idP].BSR_reporting_active[REGULAR_BSR] = 0;
UE_mac_inst[module_idP].BSR_reporting_active[REGULAR_BSR] = 0;
//printf("&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&ping test\n");
}
/* For Regular and Periodic BSR
- if more than one LCG has data available for transmission in the TTI where the BSR is transmitted: report Long BSR;
......@@ -2157,7 +2180,7 @@ int get_bsr_type (module_id_t module_idP, uint8_t eNB_index,frame_t frameP,uint1
*/
if ((UE_mac_inst[module_idP].BSR_reporting_active[REGULAR_BSR] == 1)
|| (UE_mac_inst[module_idP].BSR_reporting_active[PERIODIC_BSR] == 1)) {
if (lcg_report_num > 1) {
if (num_lcg_id_with_data > 1) {
bsr_type = LONG_BSR;
} else {
bsr_type = SHORT_BSR;
......@@ -2172,13 +2195,13 @@ int get_bsr_type (module_id_t module_idP, uint8_t eNB_index,frame_t frameP,uint1
*/
if (UE_mac_inst[module_idP].BSR_reporting_active[PADDING_BSR] == 1) {
if (((pdu + short_bsr_size) <= buflen)&&(buflen<(pdu + long_bsr_size))) {
if (lcg_report_num > 1) {
if (num_lcg_id_with_data > 1) {
bsr_type = TRUNCATED_BSR;
} else {
bsr_type = SHORT_BSR;
}
} else if ((pdu + long_bsr_size) <= buflen) {
if (lcg_report_num > 1) {
if (num_lcg_id_with_data > 1) {
bsr_type = LONG_BSR;
} else {
bsr_type = SHORT_BSR;
......@@ -2189,7 +2212,7 @@ int get_bsr_type (module_id_t module_idP, uint8_t eNB_index,frame_t frameP,uint1
if ( bsr_type > 0 ) {
LOG_I(MAC, "[UE %d] bsr_type %d (Transport Block Size %d, MAC pdu len %d) lcg_report_num %d\n",
module_idP, bsr_type, buflen, pdu, lcg_report_num);
module_idP, bsr_type, buflen, pdu, num_lcg_id_with_data);
}
return bsr_type;
......
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