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Merge branch 'L2_Stabilization-22-BSR_fertilization' into 'develop1B'

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L2 stabilization 22 bsr fertilization

merge BSRfertilization branch to develop1B

See merge request !13
This commit is contained in:
Fabrice Nabet
2016-11-04 16:58:09 +00:00
parent c5a8dbfee2 6644204765
commit 9672b41089
7 changed files with 175 additions and 65 deletions
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25
openair2/LAYER2/MAC/config.c
View File

@@ -69,6 +69,7 @@ void ue_mac_reset(module_id_t module_idP,uint8_t eNB_index)
// cancel all pending SRs
UE_mac_inst[module_idP].scheduling_info.SR_pending=0;
UE_mac_inst[module_idP].scheduling_info.SR_COUNTER=0;
UE_mac_inst[module_idP].BSR_reporting_active=0;
// stop ongoing RACH procedure
@@ -225,13 +226,34 @@ rrc_mac_config_req(
if (mac_MainConfig->ext1 && mac_MainConfig->ext1->sr_ProhibitTimer_r9) {
UE_mac_inst[Mod_idP].scheduling_info.sr_ProhibitTimer = (uint16_t) *mac_MainConfig->ext1->sr_ProhibitTimer_r9;
} else {
UE_mac_inst[Mod_idP].scheduling_info.sr_ProhibitTimer = (uint16_t) 0;
UE_mac_inst[Mod_idP].scheduling_info.sr_ProhibitTimer = 0;
}
if (mac_MainConfig->ext2 && mac_MainConfig->ext2->mac_MainConfig_v1020) {
if (mac_MainConfig->ext2->mac_MainConfig_v1020->extendedBSR_Sizes_r10) {
UE_mac_inst[Mod_idP].scheduling_info.extendedBSR_Sizes_r10 = (uint16_t) *mac_MainConfig->ext2->mac_MainConfig_v1020->extendedBSR_Sizes_r10;
} else {
UE_mac_inst[Mod_idP].scheduling_info.extendedBSR_Sizes_r10 = (uint16_t)0;
}
if (mac_MainConfig->ext2->mac_MainConfig_v1020->extendedPHR_r10) {
UE_mac_inst[Mod_idP].scheduling_info.extendedPHR_r10 = (uint16_t) *mac_MainConfig->ext2->mac_MainConfig_v1020->extendedPHR_r10;
} else {
UE_mac_inst[Mod_idP].scheduling_info.extendedPHR_r10 = (uint16_t)0;
}
} else {
UE_mac_inst[Mod_idP].scheduling_info.extendedBSR_Sizes_r10 = (uint16_t)0;
UE_mac_inst[Mod_idP].scheduling_info.extendedPHR_r10 = (uint16_t)0;
}
#endif
UE_mac_inst[Mod_idP].scheduling_info.periodicBSR_SF = get_sf_periodicBSRTimer(UE_mac_inst[Mod_idP].scheduling_info.periodicBSR_Timer);
UE_mac_inst[Mod_idP].scheduling_info.retxBSR_SF = get_sf_retxBSRTimer(UE_mac_inst[Mod_idP].scheduling_info.retxBSR_Timer);
UE_mac_inst[Mod_idP].BSR_reporting_active = 0;
LOG_D(MAC,"[UE %d]: periodic BSR %d (SF), retx BSR %d (SF)\n",
Mod_idP,
UE_mac_inst[Mod_idP].scheduling_info.periodicBSR_SF,
UE_mac_inst[Mod_idP].scheduling_info.retxBSR_SF);
UE_mac_inst[Mod_idP].scheduling_info.drx_config = mac_MainConfig->drx_Config;
UE_mac_inst[Mod_idP].scheduling_info.phr_config = mac_MainConfig->phr_Config;
@@ -252,6 +274,7 @@ rrc_mac_config_req(
UE_mac_inst[Mod_idP].scheduling_info.periodicPHR_SF = get_sf_perioidicPHR_Timer(UE_mac_inst[Mod_idP].scheduling_info.periodicPHR_Timer);
UE_mac_inst[Mod_idP].scheduling_info.prohibitPHR_SF = get_sf_prohibitPHR_Timer(UE_mac_inst[Mod_idP].scheduling_info.prohibitPHR_Timer);
UE_mac_inst[Mod_idP].scheduling_info.PathlossChange_db = get_db_dl_PathlossChange(UE_mac_inst[Mod_idP].scheduling_info.PathlossChange);
UE_mac_inst[Mod_idP].PHR_reporting_active = 0;
LOG_D(MAC,"[UE %d] config PHR (%d): periodic %d (SF) prohibit %d (SF) pathlosschange %d (db) \n",
Mod_idP,
(mac_MainConfig->phr_Config)?mac_MainConfig->phr_Config->present:-1,

14
openair2/LAYER2/MAC/defs.h
View File

@@ -945,8 +945,12 @@ typedef enum {
typedef struct {
/// buffer status for each lcgid
uint8_t BSR[MAX_NUM_LCGID]; // should be more for mesh topology
/// keep the number of bytes in rlc buffer for each lcid
/// keep the number of bytes in rlc buffer for each lcgid
uint16_t BSR_bytes[MAX_NUM_LCGID];
#if 0 //calvin for BSR test,current buffer greater then previous one, or buffer from 0 to !0
/// after multiplexing buffer remain for each lcid
uint16_t LCID_buffer_remain[MAX_NUM_LCID];
#endif
/// buffer status for each lcid
uint8_t LCID_status[MAX_NUM_LCID];
/// SR pending as defined in 36.321
@@ -987,6 +991,12 @@ typedef struct {
int16_t prohibitPHR_SF;
///DL Pathloss Change in db
uint16_t PathlossChange_db;
/// default value is false
uint16_t extendedBSR_Sizes_r10;
/// default value is false
uint16_t extendedPHR_r10;
//Bj bucket usage per lcid
int16_t Bj[MAX_NUM_LCID];
// Bucket size per lcid
@@ -1074,6 +1084,8 @@ typedef struct {
uint8_t PHR_reporting_active;
/// power backoff due to power management (as allowed by P-MPRc) for this cell
uint8_t power_backoff_db[NUMBER_OF_eNB_MAX];
/// BSR report falg management
uint8_t BSR_reporting_active;
/// 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

2
openair2/LAYER2/MAC/extern.h
View File

@@ -46,6 +46,8 @@
extern const uint32_t BSR_TABLE[BSR_TABLE_SIZE];
//extern uint32_t EBSR_Level[63];
extern const uint32_t Extended_BSR_TABLE[BSR_TABLE_SIZE];
//extern uint32_t Extended_BSR_TABLE[63]; ----currently not used
extern UE_MAC_INST *UE_mac_inst;
extern eNB_MAC_INST *eNB_mac_inst;

6
openair2/LAYER2/MAC/proto.h
View File

@@ -551,7 +551,7 @@ int get_bsr_lcgid (module_id_t module_idP);
\param[in] bufflen size of phy transport block
\param[out] bsr_len size of bsr control element
*/
uint8_t get_bsr_len (module_id_t module_idP, uint16_t buflen);
uint8_t get_bsr_len (module_id_t module_idP, uint8_t eNB_index,frame_t frameP,uint16_t buflen);
/*! \fn BSR_SHORT * get_bsr_short(module_id_t module_idP, uint8_t bsr_len)
\brief get short bsr level
@@ -577,14 +577,14 @@ BSR_LONG * get_bsr_long(module_id_t module_idP, uint8_t bsr_len);
*/
boolean_t update_bsr(module_id_t module_idP, frame_t frameP, eNB_index_t eNB_index, uint8_t lcid, uint8_t lcgid);
/*! \fn locate (int *table, int size, int value)
/*! \fn locate_BsrIndexByBufferSize (int *table, int size, int value)
\brief locate the BSR level in the table as defined in 36.321. This function requires that he values in table to be monotonic, either increasing or decreasing. The returned value is not less than 0, nor greater than n-1, where n is the size of table.
\param[in] *table Pointer to BSR table
\param[in] size Size of the table
\param[in] value Value of the buffer
\return the index in the BSR_LEVEL table
*/
uint8_t locate (const uint32_t *table, int size, int value);
uint8_t locate_BsrIndexByBufferSize (const uint32_t *table, int size, int value);
/*! \fn int get_sf_periodicBSRTimer(uint8_t periodicBSR_Timer)

2
openair2/LAYER2/MAC/ra_procedures.c
View File

@@ -391,7 +391,7 @@ PRACH_RESOURCES_t *ue_get_rach(module_id_t module_idP,int CC_id,frame_t frameP,
1); //post_padding
return(&UE_mac_inst[module_idP].RA_prach_resources);
} else if (UE_mac_inst[module_idP].scheduling_info.BSR_bytes[DCCH] > 0) {
} else if (UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]] > 0) {
// This is for triggering a transmission on DCCH using PRACH (during handover, or sending SR for example)
dcch_header_len = 2 + 2; /// SHORT Subheader + C-RNTI control element
rlc_status = mac_rlc_status_ind(module_idP,UE_mac_inst[module_idP].crnti, eNB_indexP,frameP,ENB_FLAG_NO,MBMS_FLAG_NO,

182
openair2/LAYER2/MAC/ue_procedures.c
View File

@@ -102,13 +102,17 @@ void ue_init_mac(module_id_t module_idP)
UE_mac_inst[module_idP].scheduling_info.sr_ProhibitTimer_Running=0;
UE_mac_inst[module_idP].scheduling_info.maxHARQ_Tx=MAC_MainConfig__ul_SCH_Config__maxHARQ_Tx_n5;
UE_mac_inst[module_idP].scheduling_info.ttiBundling=0;
UE_mac_inst[module_idP].scheduling_info.extendedBSR_Sizes_r10=0;
UE_mac_inst[module_idP].scheduling_info.extendedPHR_r10=0;
UE_mac_inst[module_idP].scheduling_info.drx_config=NULL;
UE_mac_inst[module_idP].scheduling_info.phr_config=NULL;
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].BSR_reporting_active = 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);
UE_mac_inst[module_idP].PHR_reporting_active = 0;
for (i=0; i < MAX_NUM_LCID; i++) {
LOG_D(MAC,"[UE%d] Applying default logical channel config for LCGID %d\n",module_idP,i);
@@ -121,7 +125,7 @@ void ue_init_mac(module_id_t module_idP)
UE_mac_inst[module_idP].scheduling_info.LCGID[i]=1;
}
UE_mac_inst[module_idP].scheduling_info.LCID_status[i]=0;
UE_mac_inst[module_idP].scheduling_info.LCID_status[i]=LCID_EMPTY;
}
#ifdef CBA
@@ -306,18 +310,28 @@ uint32_t ue_get_SR(module_id_t module_idP,int CC_id,frame_t frameP,uint8_t eNB_i
// initiate RA
UE_mac_inst[module_idP].scheduling_info.SR_pending=0;
UE_mac_inst[module_idP].scheduling_info.SR_COUNTER=0;
// release all pucch resource
UE_mac_inst[module_idP].physicalConfigDedicated = NULL;
UE_mac_inst[module_idP].ul_active=0;
UE_mac_inst[module_idP].BSR_reporting_active=0;
LOG_T(MAC,"[UE %d] Release all SRs \n", module_idP);
return(0);
}
}
//------------------------------------------------------------------------------
void
ue_send_sdu(module_id_t module_idP,
uint8_t CC_id,
frame_t frameP,
uint8_t* sdu,
uint16_t sdu_len,
uint8_t eNB_index) {
ue_send_sdu(
module_id_t module_idP,
uint8_t CC_id,
frame_t frameP,
uint8_t* sdu,
uint16_t sdu_len,
uint8_t eNB_index
)
//------------------------------------------------------------------------------
{
unsigned char rx_ces[MAX_NUM_CE],num_ce,num_sdu,i,*payload_ptr;
unsigned char rx_lcids[NB_RB_MAX];
@@ -1244,11 +1258,12 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
BSR_LONG *bsr_l=&bsr_long;
POWER_HEADROOM_CMD phr;
POWER_HEADROOM_CMD *phr_p=&phr;
unsigned short short_padding=0, post_padding=0;
unsigned short short_padding=0, post_padding=0, padding_len=0;
int lcgid;
int j; // used for padding
// Compute header length
int all_pdu_len;
if (CC_id>0) {
LOG_E(MAC,"Transmission on secondary CCs is not supported yet\n");
mac_xface->macphy_exit("MAC FATAL CC_id>0");
@@ -1282,19 +1297,10 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
dtch_header_len=(buflen > 128 ) ? 3 : 2 ; //sizeof(SCH_SUBHEADER_LONG)-1 : sizeof(SCH_SUBHEADER_SHORT);
bsr_header_len = 1;//sizeof(SCH_SUBHEADER_FIXED);
phr_header_len = 1;//sizeof(SCH_SUBHEADER_FIXED);
phr_ce_len = (UE_mac_inst[module_idP].PHR_reporting_active == 1) ? 1 /* sizeof(POWER_HEADROOM_CMD)*/: 0;
if (phr_ce_len > 0) {
phr_len = phr_ce_len + phr_header_len;
LOG_D(MAC,"[UE %d] header size info: PHR len %d (ce%d,hdr%d) buff_len %d\n",
module_idP, phr_len, phr_ce_len, phr_header_len, buflen);
} else {
phr_len=0;
}
bsr_ce_len = get_bsr_len (module_idP, buflen-phr_len);
if (bsr_ce_len > 0 ) {
bsr_ce_len = get_bsr_len (module_idP, eNB_index, frameP, buflen);
// retxBSR-Timer expires or periodicBSR-Timer expires and Regular BSR trigger
if ((bsr_ce_len > 0 ) && (UE_mac_inst[module_idP].BSR_reporting_active > 0)) {
bsr_len = bsr_ce_len + bsr_header_len;
LOG_D(MAC,"[UE %d] header size info: dcch %d, dcch1 %d, dtch %d, bsr (ce%d,hdr%d) buff_len %d\n",
module_idP, dcch_header_len,dcch1_header_len,dtch_header_len, bsr_ce_len, bsr_header_len, buflen);
@@ -1305,6 +1311,15 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
//bsr_len = bsr_ce_len + bsr_header_len;
}
phr_ce_len = (UE_mac_inst[module_idP].PHR_reporting_active == 1) ? 1 /* sizeof(POWER_HEADROOM_CMD)*/: 0;
if (phr_ce_len > 0) {
phr_len = phr_ce_len + phr_header_len;
LOG_D(MAC,"[UE %d] header size info: PHR len %d (ce%d,hdr%d) buff_len %d\n",
module_idP, phr_len, phr_ce_len, phr_header_len, buflen);
} else {
phr_len=0;
}
// check for UL bandwidth requests and add SR control element
// check for UL bandwidth requests and add SR control element
@@ -1338,8 +1353,12 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
sdu_lcids[0] = DCCH;
LOG_D(MAC,"[UE %d] TX Got %d bytes for DCCH\n",module_idP,sdu_lengths[0]);
num_sdus = 1;
update_bsr(module_idP, frameP, eNB_index, DCCH, UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]);
//update_bsr(module_idP, frameP, eNB_index, DCCH, UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]);
//header_len +=2;
UE_mac_inst[module_idP].scheduling_info.LCID_status[DCCH] = LCID_EMPTY;
#if 0 //calvin for BSR test,current buffer greater then previous one, or buffer from 0 to !0
UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[DCCH] = rlc_status.bytes_in_buffer-sdu_lengths[0];
#endif
} else {
dcch_header_len=0;
num_sdus = 0;
@@ -1375,9 +1394,13 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
sdu_length_total += sdu_lengths[num_sdus];
sdu_lcids[num_sdus] = DCCH1;
LOG_D(MAC,"[UE %d] TX Got %d bytes for DCCH1\n",module_idP,sdu_lengths[num_sdus]);
num_sdus++;
//update_bsr(module_idP, frameP, DCCH1);
//dcch_header_len +=2; // include dcch1
UE_mac_inst[module_idP].scheduling_info.LCID_status[DCCH1] = LCID_EMPTY;
#if 0 //calvin for BSR test,current buffer greater then previous one, or buffer from 0 to !0
UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[DCCH1] = rlc_status.bytes_in_buffer-sdu_lengths[num_sdus];
#endif
num_sdus++;
} else {
dcch1_header_len =0;
}
@@ -1388,8 +1411,9 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
dtch_header_len+=3;
dtch_header_len_last=3;
all_pdu_len = bsr_len+phr_len+dcch_header_len+dcch1_header_len+dtch_header_len+sdu_length_total;
if ((UE_mac_inst[module_idP].scheduling_info.LCID_status[lcid] == LCID_NOT_EMPTY) &&
((bsr_len+phr_len+dcch_header_len+dcch1_header_len+dtch_header_len+sdu_length_total) <= buflen)) {
(all_pdu_len <= buflen)) {
// optimize the dtch header lenght
//if ((UE_mac_inst[module_idP].scheduling_info.BSR_bytes[DTCH] > 128) &&
@@ -1407,11 +1431,11 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
ENB_FLAG_NO,
MBMS_FLAG_NO, // eNB_index
lcid,
buflen-bsr_len-phr_len-dcch_header_len-dcch1_header_len-dtch_header_len-sdu_length_total);
buflen-all_pdu_len);
LOG_D(MAC,"[UE %d] Frame %d : UL-DTCH -> ULSCH%d, %d bytes to send (Transport Block size %d, mac header len %d, BSR byte[%d] %d)\n",
module_idP,frameP, lcid, rlc_status.bytes_in_buffer,buflen,dtch_header_len,
lcid, UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcid]);
lcid, UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[lcid]]);
if (rlc_status.bytes_in_buffer > 0) {
sdu_lengths[num_sdus] = mac_rlc_data_req(module_idP,
@@ -1431,16 +1455,20 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
dtch_header_len --;
dtch_header_len_last --;
}
#if 0 //calvin for BSR test,current buffer greater then previous one, or buffer from 0 to !0
UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid] = rlc_status.bytes_in_buffer-sdu_lengths[num_sdus];
#endif
num_sdus++;
UE_mac_inst[module_idP].ul_active = update_bsr(module_idP, frameP, eNB_index,lcid, UE_mac_inst[module_idP].scheduling_info.LCGID[lcid]);
//UE_mac_inst[module_idP].ul_active = update_bsr(module_idP, frameP, eNB_index,lcid, UE_mac_inst[module_idP].scheduling_info.LCGID[lcid]);
} else {
dtch_header_len -= 3;
}
UE_mac_inst[module_idP].scheduling_info.LCID_status[lcid] = LCID_EMPTY;
} else { // no rlc pdu : generate the dummy header
dtch_header_len -= 3;
}
}
lcgid= get_bsr_lcgid(module_idP);
if (lcgid < 0 ) {
@@ -1452,15 +1480,29 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
bsr_l->Buffer_size1 = UE_mac_inst[module_idP].scheduling_info.BSR[LCGID1];
bsr_l->Buffer_size2 = UE_mac_inst[module_idP].scheduling_info.BSR[LCGID2];
bsr_l->Buffer_size3 = UE_mac_inst[module_idP].scheduling_info.BSR[LCGID3];
LOG_D(MAC, "[UE %d] Frame %d report long BSR (level LCGID0 %d,level LCGID1 %d,level LCGID2 %d,level LCGID3 %d)\n", module_idP,frameP,
UE_mac_inst[module_idP].scheduling_info.BSR[LCGID0],
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_ce_len == sizeof(BSR_SHORT)) {
bsr_l = NULL;
bsr_s->LCGID = lcgid;
bsr_s->Buffer_size = UE_mac_inst[module_idP].scheduling_info.BSR[lcgid];
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcgid] = 0;
UE_mac_inst[module_idP].scheduling_info.BSR[lcgid] = 0;
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);
} else {
@@ -1494,12 +1536,14 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
dtch_header_len_last-=1;
dtch_header_len= (dtch_header_len >0)? dtch_header_len - dtch_header_len_last : dtch_header_len;
}
if ((buflen-bsr_len-phr_len-dcch_header_len-dcch1_header_len-dtch_header_len-sdu_length_total) <= 2) {
short_padding = buflen-bsr_len-phr_len-dcch_header_len-dcch1_header_len-dtch_header_len-sdu_length_total;
// 1-bit padding or 2-bit padding special padding subheader
padding_len = buflen-bsr_len-phr_len-dcch_header_len-dcch1_header_len-dtch_header_len-sdu_length_total;
if (padding_len <= 2) {
short_padding = padding_len;
// only add padding header
post_padding = 0;
} else {
if ((buflen-bsr_len-phr_len-dcch_header_len-dcch1_header_len-dtch_header_len-sdu_length_total) == buflen) {
if (padding_len == buflen) {// nona mac pdu
*access_mode=CANCELED_ACCESS;
}
@@ -1544,6 +1588,9 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
module_idP,payload_offset, sdu_length_total);
UE_mac_inst[module_idP].scheduling_info.SR_pending=0;
UE_mac_inst[module_idP].scheduling_info.SR_COUNTER=0;
UE_mac_inst[module_idP].BSR_reporting_active=0;
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);
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);
@@ -1705,10 +1752,25 @@ ue_scheduler(
// call SR procedure to generate pending SR and BSR for next PUCCH/PUSCH TxOp. This should implement the procedures
// outlined in Sections 5.4.4 an 5.4.5 of 36.321
// Put this in another function
// Call BSR procedure as described in Section 5.4.5 in 36.321
if (UE_mac_inst[module_idP].scheduling_info.periodicBSR_SF == get_sf_periodicBSRTimer(MAC_MainConfig__ul_SCH_Config__periodicBSR_Timer_infinity)) {
UE_mac_inst[module_idP].BSR_reporting_active = 1;
} else if (UE_mac_inst[module_idP].scheduling_info.periodicBSR_SF <= 0 ){
// trigger BSR and reset the timer later when the BSR report is sent
UE_mac_inst[module_idP].BSR_reporting_active = 1;
} else if (UE_mac_inst[module_idP].BSR_reporting_active == 0 ) {
UE_mac_inst[module_idP].scheduling_info.periodicBSR_SF--;
}
if (UE_mac_inst[module_idP].scheduling_info.retxBSR_SF <= 0){
// trigger BSR and reset the timer later when the BSR report is sent
UE_mac_inst[module_idP].BSR_reporting_active = 1;
} else if (UE_mac_inst[module_idP].BSR_reporting_active == 0 ) {
UE_mac_inst[module_idP].scheduling_info.retxBSR_SF--;
}
// Get RLC status info and update Bj for all lcids that are active
for (lcid=DCCH; lcid <= DTCH; lcid++ ) {
for (lcid=DCCH; lcid < MAX_NUM_LCID; lcid++ ) {
if ((lcid == 0) ||(UE_mac_inst[module_idP].logicalChannelConfig[lcid])) {
// meausre the Bj
if ((directionP == SF_UL)&& (UE_mac_inst[module_idP].scheduling_info.Bj[lcid] >= 0)) {
@@ -1729,6 +1791,8 @@ ue_scheduler(
if (update_bsr(module_idP,frameP, eNB_indexP, lcid, UE_mac_inst[module_idP].scheduling_info.LCGID[lcid])) {
UE_mac_inst[module_idP].scheduling_info.SR_pending= 1;
// Regular BSR trigger
UE_mac_inst[module_idP].BSR_reporting_active = 1;
LOG_D(MAC,"[UE %d][SR] Frame %d subframe %d SR for PUSCH is pending for LCGID %d with BSR level %d (%d bytes in RLC)\n",
module_idP, frameP,subframeP,UE_mac_inst[module_idP].scheduling_info.LCGID[lcid],
UE_mac_inst[module_idP].scheduling_info.BSR[UE_mac_inst[module_idP].scheduling_info.LCGID[lcid]],
@@ -1970,31 +2034,26 @@ int get_bsr_lcgid (module_id_t module_idP)
}
}
uint8_t get_bsr_len (module_id_t module_idP, uint16_t buflen)
uint8_t get_bsr_len (module_id_t module_idP, uint8_t eNB_index,frame_t frameP,uint16_t buflen)
{
int lcgid=0;
uint8_t bsr_len=0, num_lcgid=0;
int lcid;
uint8_t bsr_len=0, num_lcid=0;
int pdu = 0;
mac_rlc_status_resp_t rlc_status;
for (lcgid=0; lcgid < MAX_NUM_LCGID; lcgid++ ) {
if (UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcgid] > 0 ) {
pdu += (UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcgid] + bsr_len + 2); //2 = sizeof(SCH_SUBHEADER_SHORT)
for (lcid=DCCH; lcid<NB_RB_MAX ; lcid++){
rlc_status = mac_rlc_status_ind(module_idP, UE_mac_inst[module_idP].crnti,eNB_index,frameP,ENB_FLAG_NO,MBMS_FLAG_NO, lcid, 0);
if (rlc_status.bytes_in_buffer > 0 ) {
pdu += rlc_status.bytes_in_buffer + sizeof(SCH_SUBHEADER_SHORT) + bsr_len;
if (rlc_status.bytes_in_buffer > 128 ) {
pdu += 1; //sizeof(SCH_SUBHEADER_LONG)
}
}
if (UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcgid] > 128 ) { // long header size: adjust the header size
pdu += 1;
if ( (pdu > buflen) && (rlc_status.bytes_in_buffer > 0 ) ) {
num_lcid +=1;
bsr_len = (num_lcid >= 2 ) ? sizeof(BSR_LONG) : sizeof(BSR_SHORT) ;
}
// current phy buff can not transport all sdu for this lcgid -> transmit a bsr for this lcgid
if ( (pdu > buflen) && (UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcgid] > 0 ) ) {
num_lcgid +=1;
bsr_len = (num_lcgid >= 2 ) ? sizeof(BSR_LONG) : sizeof(BSR_SHORT) ;
}
LOG_D(MAC,"BSR Bytes %d for lcgid %d bsr len %d num lcgid %d\n", UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcgid], lcgid, bsr_len, num_lcgid);
LOG_D(MAC,"LC buffer Bytes %d for lcid %d bsr len %d num lcid %d\n", rlc_status.bytes_in_buffer, lcid, bsr_len, num_lcid);
}
if ( bsr_len > 0 )
@@ -2004,7 +2063,6 @@ uint8_t get_bsr_len (module_id_t module_idP, uint16_t buflen)
return bsr_len;
}
boolean_t update_bsr(module_id_t module_idP, frame_t frameP, eNB_index_t eNB_index, uint8_t lcid, uint8_t lcg_id)
{
@@ -2028,11 +2086,17 @@ boolean_t update_bsr(module_id_t module_idP, frame_t frameP, eNB_index_t eNB_in
lcid,
0);
if (rlc_status.bytes_in_buffer > 0 ) {
if ((rlc_status.bytes_in_buffer > 0 )
#if 0 //calvin for BSR test,current buffer greater then previous one, or buffer from 0 to !0
&& (rlc_status.bytes_in_buffer > UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[lcid])
#endif
){
//BSR trigger SR
sr_pending = TRUE;
UE_mac_inst[module_idP].scheduling_info.LCID_status[lcid] = LCID_NOT_EMPTY;
UE_mac_inst[module_idP].scheduling_info.BSR[lcg_id] += locate (BSR_TABLE,BSR_TABLE_SIZE, rlc_status.bytes_in_buffer);
// sum lcid buffer which has same lcgid
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcg_id] += rlc_status.bytes_in_buffer;
UE_mac_inst[module_idP].scheduling_info.BSR[lcg_id] = locate_BsrIndexByBufferSize(BSR_TABLE, BSR_TABLE_SIZE, UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcg_id]);
// UE_mac_inst[module_idP].scheduling_info.BSR_short_lcid = lcid; // only applicable to short bsr
LOG_D(MAC,"[UE %d] BSR level %d (LCGID %d, rlc buffer %d byte)\n",
module_idP, UE_mac_inst[module_idP].scheduling_info.BSR[lcg_id],lcg_id, UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcg_id]);
@@ -2045,7 +2109,7 @@ boolean_t update_bsr(module_id_t module_idP, frame_t frameP, eNB_index_t eNB_in
return sr_pending;
}
uint8_t locate (const uint32_t *table, int size, int value)
uint8_t locate_BsrIndexByBufferSize (const uint32_t *table, int size, int value)
{
uint8_t ju, jm, jl;
@@ -2076,7 +2140,7 @@ uint8_t locate (const uint32_t *table, int size, int value)
if (value == table[jl]) {
return jl;
} else {
} else {
return jl+1; //equally ju
}

9
openair2/LAYER2/MAC/vars.h
View File

@@ -45,6 +45,15 @@ const uint32_t BSR_TABLE[BSR_TABLE_SIZE]= {0,10,12,14,17,19,22,26,31,36,42,49,57
1326,1552,1817,2127,2490,2915,3413,3995,4677,5467,6411,7505,8787,10287,12043,14099,
16507,19325,22624,26487,31009,36304,42502,49759,58255,68201,79846,93479,109439, 128125,150000, 300000
};
// extended bsr table--currently not used
const uint32_t Extended_BSR_TABLE[BSR_TABLE_SIZE] = {0,10,13,16,19,23,29,35,43,53,65,80,98,120,147,
181,223,274,337,414,509,625,769,945,1162,1429,
1757,2161,2657,3267,4017,4940,6074,7469,9185,
11294,13888,17077,20999,25822,31752,39045,48012,
59039,72598,89272,109774,134986,165989,204111,
250990,308634,379519,466683,573866,705666,867737,
1067031,1312097,1613447,1984009,2439678,3000000,
6000000};
//uint32_t EBSR_Level[63]={0,10,13,16,19,23,29,35,43,53,65,80,98,120,147,181};