Commit 3a3a699b authored by Fabrice Nabet's avatar Fabrice Nabet

Merge branch 'BSR_fixes_fabrice' into 'develop1B'

Bsr fixes fabrice

Merge feature BSR stabilization to develop1B

See merge request !15
parents 9bea08ab bc032392
......@@ -70,6 +70,9 @@ void ue_mac_reset(module_id_t module_idP,uint8_t eNB_index)
UE_mac_inst[module_idP].scheduling_info.SR_pending=0;
UE_mac_inst[module_idP].scheduling_info.SR_COUNTER=0;
//Set BSR Trigger Bmp and remove timer flags
UE_mac_inst[module_idP].BSR_reporting_active = BSR_TRIGGER_NONE;
// stop ongoing RACH procedure
// discard explicitly signaled ra_PreambleIndex and ra_RACH_MaskIndex, if any
......@@ -178,8 +181,14 @@ rrc_mac_config_req(
if (logicalChannelConfig->ul_SpecificParameters) {
UE_mac_inst[Mod_idP].scheduling_info.bucket_size[logicalChannelIdentity]=logicalChannelConfig->ul_SpecificParameters->prioritisedBitRate *
logicalChannelConfig->ul_SpecificParameters->bucketSizeDuration; // set the max bucket size
UE_mac_inst[Mod_idP].scheduling_info.LCGID[logicalChannelIdentity]=*logicalChannelConfig->ul_SpecificParameters->logicalChannelGroup;
LOG_D(MAC,"[CONFIG][UE %d] LCID %d is attached to the LCGID %d\n",Mod_idP,logicalChannelIdentity,*logicalChannelConfig->ul_SpecificParameters->logicalChannelGroup);
if (logicalChannelConfig->ul_SpecificParameters->logicalChannelGroup != NULL) {
UE_mac_inst[Mod_idP].scheduling_info.LCGID[logicalChannelIdentity]=*logicalChannelConfig->ul_SpecificParameters->logicalChannelGroup;
LOG_D(MAC,"[CONFIG][UE %d] LCID %d is attached to the LCGID %d\n",Mod_idP,logicalChannelIdentity,*logicalChannelConfig->ul_SpecificParameters->logicalChannelGroup);
}
else {
UE_mac_inst[Mod_idP].scheduling_info.LCGID[logicalChannelIdentity] = MAX_NUM_LCGID;
}
UE_mac_inst[Mod_idP].scheduling_info.LCID_buffer_remain[logicalChannelIdentity] = 0;
} else {
LOG_E(MAC,"[CONFIG][UE %d] LCID %d NULL ul_SpecificParameters\n",Mod_idP,logicalChannelIdentity);
mac_xface->macphy_exit("NULL ul_SpecificParameters");
......@@ -225,12 +234,34 @@ 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].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 = BSR_TRIGGER_NONE;
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 +283,7 @@ 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,
......
......@@ -133,10 +133,18 @@
/*!\brief maximum value for channel quality indicator */
#define MAX_CQI_VALUE 15
/*!\brief value for indicating BSR Timer is not running */
#define MAC_UE_BSR_TIMER_NOT_RUNNING (0xFFFF)
#define LCID_EMPTY 0
#define LCID_NOT_EMPTY 1
/*!\brief minimum RLC PDU size to be transmitted = min RLC Status PDU or RLC UM PDU SN 5 bits */
#define MIN_RLC_PDU_SIZE (2)
/*!\brief minimum MAC data needed for transmitting 1 min RLC PDU size + 1 byte MAC subHeader */
#define MIN_MAC_HDR_RLC_SIZE (1 + MIN_RLC_PDU_SIZE)
/*
* eNB part
*/
......@@ -222,11 +230,10 @@ typedef struct {
typedef BSR_SHORT BSR_TRUNCATED;
/*!\brief mac control element: long buffer status report for all logical channel group ID*/
typedef struct {
uint32_t Buffer_size3:6;
uint32_t Buffer_size2:6;
uint32_t Buffer_size1:6;
uint32_t Buffer_size0:6;
uint32_t padding:8;
uint8_t Buffer_size3:6;
uint8_t Buffer_size2:6;
uint8_t Buffer_size1:6;
uint8_t Buffer_size0:6;
} __attribute__((__packed__))BSR_LONG;
#define BSR_LONG_SIZE (sizeof(BSR_LONG))
......@@ -336,6 +343,12 @@ typedef struct {
#define SHORT_BSR 29
/*!\brief LCID of long BSR for ULSCH */
#define LONG_BSR 30
/*!\bitmaps for BSR Triggers */
#define BSR_TRIGGER_NONE (0) /* No BSR Trigger */
#define BSR_TRIGGER_REGULAR (1) /* For Regular and ReTxBSR Expiry Triggers */
#define BSR_TRIGGER_PERIODIC (2) /* For BSR Periodic Timer Expiry Trigger */
#define BSR_TRIGGER_PADDING (4) /* For Padding BSR Trigger */
/*! \brief Downlink SCH PDU Structure */
typedef struct {
......@@ -945,8 +958,12 @@ 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
uint16_t BSR_bytes[MAX_NUM_LCGID];
/// keep the number of bytes in rlc buffer for each lcgid
int32_t BSR_bytes[MAX_NUM_LCGID];
/// after multiplexing buffer remain for each lcid
int32_t LCID_buffer_remain[MAX_NUM_LCID];
/// sum of all lcid buffer size
uint16_t All_lcid_buffer_size_lastTTI;
/// buffer status for each lcid
uint8_t LCID_status[MAX_NUM_LCID];
/// SR pending as defined in 36.321
......@@ -958,11 +975,11 @@ typedef struct {
/// retxBSR-Timer, default value is sf2560
uint16_t retxBSR_Timer;
/// retxBSR_SF, number of subframe before triggering a regular BSR
int16_t retxBSR_SF;
uint16_t retxBSR_SF;
/// periodicBSR-Timer, default to infinity
uint16_t periodicBSR_Timer;
/// periodicBSR_SF, number of subframe before triggering a periodic BSR
int16_t periodicBSR_SF;
uint16_t periodicBSR_SF;
/// default value is 0: not configured
uint16_t sr_ProhibitTimer;
/// sr ProhibitTime running
......@@ -987,6 +1004,12 @@ 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 +1097,13 @@ 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;
/// 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
......
......@@ -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;
......
......@@ -538,21 +538,6 @@ 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);
\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);
/*! \fn uint8_t get_bsr_len (module_id_t module_idP,uint16_t bufflen);
\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
\param[out] bsr_len size of bsr control element
*/
uint8_t get_bsr_len (module_id_t module_idP, uint16_t buflen);
/*! \fn BSR_SHORT * get_bsr_short(module_id_t module_idP, uint8_t bsr_len)
\brief get short bsr level
\param[in] Mod_id instance of the UE
......@@ -569,22 +554,21 @@ BSR_SHORT *get_bsr_short(module_id_t module_idP, uint8_t bsr_len);
*/
BSR_LONG * get_bsr_long(module_id_t module_idP, uint8_t bsr_len);
/*! \fn boolean_t update_bsr(module_id_t module_idP, frame_t frameP, uint8_t lcid)
/*! \fn boolean_t update_bsr(module_id_t module_idP, frame_t frameP,sub_frame_t subframeP)
\brief get the rlc stats and update the bsr level for each lcid
\param[in] Mod_id instance of the UE
\param[in] frame Frame index
\param[in] lcid logical channel identifier
*/
boolean_t update_bsr(module_id_t module_idP, frame_t frameP, eNB_index_t eNB_index, uint8_t lcid, uint8_t lcgid);
boolean_t update_bsr(module_id_t module_idP, frame_t frameP, sub_frame_t subframeP,eNB_index_t eNB_index);
/*! \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)
......
......@@ -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,
......@@ -412,7 +412,12 @@ PRACH_RESOURCES_t *ue_get_rach(module_id_t module_idP,int CC_id,frame_t frameP,
(char *)&ulsch_buff[0]);
LOG_D(MAC,"[UE %d] TX Got %d bytes for DCCH\n",module_idP,sdu_lengths[0]);
update_bsr(module_idP, frameP, eNB_indexP,DCCH,UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]);
update_bsr(module_idP, frameP, subframeP,eNB_indexP);
UE_mac_inst[module_idP].scheduling_info.BSR[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]] =
locate_BsrIndexByBufferSize(BSR_TABLE, BSR_TABLE_SIZE, UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]]);
//TO DO: fill BSR infos in UL TBS
//header_len +=2;
UE_mac_inst[module_idP].RA_active = 1;
UE_mac_inst[module_idP].RA_PREAMBLE_TRANSMISSION_COUNTER = 1;
......
......@@ -70,6 +70,8 @@
#define DEBUG_HEADER_PARSING 1
#define ENABLE_MAC_PAYLOAD_DEBUG 1
extern uint8_t usim_test;
/*
#ifndef USER_MODE
#define msg debug_msg
......@@ -91,7 +93,7 @@ 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;
......@@ -102,13 +104,19 @@ 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);
// 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 = 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 = BSR_TRIGGER_NONE;
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 +129,8 @@ 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;
UE_mac_inst[module_idP].scheduling_info.LCID_buffer_remain[i] = 0;
}
#ifdef CBA
......@@ -304,6 +313,14 @@ uint32_t ue_get_SR(module_id_t module_idP,int CC_id,frame_t frameP,uint8_t eNB_i
// notify RRC to relase PUCCH/SRS
// clear any configured dl/ul
// initiate RA
if (UE_mac_inst[module_idP].scheduling_info.SR_pending){
// 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=BSR_TRIGGER_NONE;
LOG_I(MAC,"[UE %d] Release all SRs \n", module_idP);
}
UE_mac_inst[module_idP].scheduling_info.SR_pending=0;
UE_mac_inst[module_idP].scheduling_info.SR_COUNTER=0;
return(0);
......@@ -312,12 +329,16 @@ uint32_t ue_get_SR(module_id_t module_idP,int CC_id,frame_t frameP,uint8_t eNB_i
//------------------------------------------------------------------------------
void
ue_send_sdu(module_id_t module_idP,
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) {
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];
......@@ -1131,8 +1152,6 @@ unsigned char generate_ulsch_header(uint8_t *mac_header,
*(ce_ptr) = (long_bsr->Buffer_size0 << 2) | ((long_bsr->Buffer_size1 & 0x30) >> 4);
*(ce_ptr + 1) = ((long_bsr->Buffer_size1 & 0x0F) << 4) | ((long_bsr->Buffer_size2 & 0x3C) >> 2);
*(ce_ptr + 2) = ((long_bsr->Buffer_size2 & 0x03) << 2) | (long_bsr->Buffer_size3 & 0x3F);
/* Padding */
*(ce_ptr + 3) = 0;
ce_ptr += BSR_LONG_SIZE;
// printf("(cont_res) : offset %d\n",ce_ptr-mac_header_control_elements);
......@@ -1145,50 +1164,67 @@ unsigned char generate_ulsch_header(uint8_t *mac_header,
LOG_T(MAC,"[UE] sdu subheader %d (lcid %d, %d bytes)\n",i,sdu_lcids[i],sdu_lengths[i]);
#endif
if ((first_element>0)) {
mac_header_ptr->E = 1;
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] last subheader : %x (R%d,E%d,LCID%d)\n",*(unsigned char*)mac_header_ptr,
((SCH_SUBHEADER_FIXED *)mac_header_ptr)->R,
((SCH_SUBHEADER_FIXED *)mac_header_ptr)->E,
((SCH_SUBHEADER_FIXED *)mac_header_ptr)->LCID);
#endif
mac_header_ptr+=last_size;
// printf("last_size %d,mac_header_ptr %p\n",last_size,mac_header_ptr);
} else {
first_element=1;
if ((i == (num_sdus - 1)) && ((short_padding) || (post_padding == 0))) {
if (first_element>0) {
mac_header_ptr->E = 1;
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] last subheader : %x (R%d,E%d,LCID%d)\n",*(unsigned char*)mac_header_ptr,
((SCH_SUBHEADER_FIXED *)mac_header_ptr)->R,
((SCH_SUBHEADER_FIXED *)mac_header_ptr)->E,
((SCH_SUBHEADER_FIXED *)mac_header_ptr)->LCID);
#endif
mac_header_ptr+=last_size;
}
mac_header_ptr->R = 0;
mac_header_ptr->E = 0;
mac_header_ptr->LCID = sdu_lcids[i];
}
else {
if ((first_element>0)) {
mac_header_ptr->E = 1;
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] last subheader : %x (R%d,E%d,LCID%d)\n",*(unsigned char*)mac_header_ptr,
((SCH_SUBHEADER_FIXED *)mac_header_ptr)->R,
((SCH_SUBHEADER_FIXED *)mac_header_ptr)->E,
((SCH_SUBHEADER_FIXED *)mac_header_ptr)->LCID);
#endif
mac_header_ptr+=last_size;
// printf("last_size %d,mac_header_ptr %p\n",last_size,mac_header_ptr);
} else {
first_element=1;
if (sdu_lengths[i] < 128) {
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->R = 0; // 3
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->E = 0;
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->F = 0;
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->LCID = sdu_lcids[i];
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->L = (unsigned char)sdu_lengths[i];
last_size=2;
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] short sdu\n");
LOG_T(MAC,"[UE] last subheader : %x (R%d,E%d,LCID%d,F%d,L%d)\n",
((uint16_t*)mac_header_ptr)[0],
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->R,
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->E,
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->LCID,
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->F,
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->L);
#endif
} else {
((SCH_SUBHEADER_LONG *)mac_header_ptr)->R = 0;
((SCH_SUBHEADER_LONG *)mac_header_ptr)->E = 0;
((SCH_SUBHEADER_LONG *)mac_header_ptr)->F = 1;
((SCH_SUBHEADER_LONG *)mac_header_ptr)->LCID = sdu_lcids[i];
((SCH_SUBHEADER_LONG *)mac_header_ptr)->L_MSB = ((unsigned short) sdu_lengths[i]>>8)&0x7f;
((SCH_SUBHEADER_LONG *)mac_header_ptr)->L_LSB = (unsigned short) sdu_lengths[i]&0xff;
((SCH_SUBHEADER_LONG *)mac_header_ptr)->padding = 0x00;
last_size=3;
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] long sdu\n");
#endif
}
if (sdu_lengths[i] < 128) {
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->R = 0; // 3
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->E = 0;
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->F = 0;
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->LCID = sdu_lcids[i];
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->L = (unsigned char)sdu_lengths[i];
last_size=2;
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] short sdu\n");
LOG_T(MAC,"[UE] last subheader : %x (R%d,E%d,LCID%d,F%d,L%d)\n",
((uint16_t*)mac_header_ptr)[0],
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->R,
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->E,
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->LCID,
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->F,
((SCH_SUBHEADER_SHORT *)mac_header_ptr)->L);
#endif
} else {
((SCH_SUBHEADER_LONG *)mac_header_ptr)->R = 0;
((SCH_SUBHEADER_LONG *)mac_header_ptr)->E = 0;
((SCH_SUBHEADER_LONG *)mac_header_ptr)->F = 1;
((SCH_SUBHEADER_LONG *)mac_header_ptr)->LCID = sdu_lcids[i];
((SCH_SUBHEADER_LONG *)mac_header_ptr)->L_MSB = ((unsigned short) sdu_lengths[i]>>8)&0x7f;
((SCH_SUBHEADER_LONG *)mac_header_ptr)->L_LSB = (unsigned short) sdu_lengths[i]&0xff;
((SCH_SUBHEADER_LONG *)mac_header_ptr)->padding = 0x00;
last_size=3;
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] long sdu\n");
#endif
}
}
}
......@@ -1206,6 +1242,7 @@ unsigned char generate_ulsch_header(uint8_t *mac_header,
//mac_header_ptr=last_size; // FIXME: should be ++
}
if ((ce_ptr-mac_header_control_elements) > 0) {
memcpy((void*)mac_header_ptr,mac_header_control_elements,ce_ptr-mac_header_control_elements);
mac_header_ptr+=(unsigned char)(ce_ptr-mac_header_control_elements);
......@@ -1228,27 +1265,36 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
{
mac_rlc_status_resp_t rlc_status;
uint8_t dcch_header_len=0,dcch1_header_len=0,dtch_header_len=0,dtch_header_len_last=0;
uint8_t dcch_header_len_tmp=0, dtch_header_len_tmp=0;
uint8_t bsr_header_len=0, bsr_ce_len=0, bsr_len=0;
uint8_t total_rlc_pdu_header_len=0, rlc_pdu_header_len_last=0 ;
uint16_t buflen_remain = 0;
uint8_t bsr_len=0,bsr_ce_len=0,bsr_header_len=0;
uint8_t phr_header_len=0, phr_ce_len=0,phr_len=0;
uint8_t lcid=0;
uint8_t lcid=0,lcid_rlc_pdu_count=0;
boolean_t is_lcid_processed = FALSE;
uint16_t sdu_lengths[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
uint8_t sdu_lcids[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
uint8_t payload_offset=0,num_sdus=0;
uint8_t ulsch_buff[MAX_ULSCH_PAYLOAD_BYTES];
uint16_t sdu_length_total=0;
BSR_SHORT bsr_short;
BSR_SHORT bsr_short,bsr_truncated;
BSR_LONG bsr_long;
BSR_SHORT *bsr_s=&bsr_short;
BSR_LONG *bsr_l=&bsr_long;
BSR_SHORT *bsr_t=&bsr_truncated;
POWER_HEADROOM_CMD phr;
POWER_HEADROOM_CMD *phr_p=&phr;
unsigned short short_padding=0, post_padding=0;
int lcgid;
unsigned short short_padding=0, post_padding=0, padding_len=0;
int j; // used for padding
// Compute header length
int lcg_id = 0;
int lcg_id_bsr_trunc = 0;
int highest_priority = 16;
int num_lcg_id_with_data = 0;
LOG_D(MAC,"[UE %d] MAC PROCESS UL TRANSPORT BLOCK at frame%d subframe %d TBS=%d\n",
module_idP, frameP, subframe, buflen);
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");
......@@ -1276,33 +1322,76 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
}
#endif
dcch_header_len=2;//sizeof(SCH_SUBHEADER_SHORT);
dcch1_header_len=2;//sizeof(SCH_SUBHEADER_SHORT);
// hypo length,in case of long header skip the padding byte
dtch_header_len=(buflen > 128 ) ? 3 : 2 ; //sizeof(SCH_SUBHEADER_LONG)-1 : sizeof(SCH_SUBHEADER_SHORT);
bsr_header_len = 1;//sizeof(SCH_SUBHEADER_FIXED);
bsr_header_len = 0;
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) {
while (lcg_id < MAX_NUM_LCGID) {
if (UE_mac_inst[module_idP].scheduling_info.BSR_bytes[lcg_id]){
num_lcg_id_with_data ++;
}
lcg_id ++;
}
if (num_lcg_id_with_data){
LOG_D(MAC,"[UE %d] MAC Tx data pending at frame%d subframe %d nb LCG =%d Bytes for LCG0=%d LCG1=%d LCG2=%d LCG3=%d BSR Trigger status =%d TBS=%d\n",
module_idP,
frameP,
subframe,
num_lcg_id_with_data,
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[0],
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[1],
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[2],
UE_mac_inst[module_idP].scheduling_info.BSR_bytes[3],
UE_mac_inst[module_idP].BSR_reporting_active, buflen);
}
//Restart ReTxBSR Timer at new grant indication (36.321)
if (UE_mac_inst[module_idP].scheduling_info.retxBSR_SF != MAC_UE_BSR_TIMER_NOT_RUNNING){
UE_mac_inst[module_idP].scheduling_info.retxBSR_SF = get_sf_retxBSRTimer(UE_mac_inst[module_idP].scheduling_info.retxBSR_Timer);
}
// periodicBSR-Timer expires, trigger BSR
if ((UE_mac_inst[module_idP].scheduling_info.periodicBSR_Timer != MAC_MainConfig__ul_SCH_Config__periodicBSR_Timer_infinity)
&& (UE_mac_inst[module_idP].scheduling_info.periodicBSR_SF == 0)){
// Trigger BSR Periodic
UE_mac_inst[module_idP].BSR_reporting_active |= BSR_TRIGGER_PERIODIC;
LOG_I(MAC,"[UE %d] MAC BSR Triggered PeriodicBSR Timer expiry at frame%d subframe %d TBS=%d\n",
module_idP, frameP, subframe, buflen);
}
//Compute BSR Length if Regular or Periodic BSR is triggered
//WARNING: if BSR long is computed, it may be changed to BSR short during or after multiplexing if there remains less than 1 LCGROUP with data after Tx
if (UE_mac_inst[module_idP].BSR_reporting_active){
AssertFatal ((UE_mac_inst[module_idP].BSR_reporting_active & BSR_TRIGGER_PADDING) == 0 , "Inconsistent BSR Trigger=%d !\n",
UE_mac_inst[module_idP].BSR_reporting_active);
if (buflen >= 4){
//A Regular or Periodic BSR can only be sent if TBS >= 4 as transmitting only a BSR is not allowed if UE has data to transmit
bsr_header_len = 1;
if (num_lcg_id_with_data <= 1){
bsr_ce_len = sizeof(BSR_SHORT); //1 byte
}
else{
bsr_ce_len = BSR_LONG_SIZE; //3 bytes
}
}
}
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_ce_len + phr_header_len + bsr_len) <= buflen)){
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_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);
} else {
bsr_len=0;
//LOG_D(MAC,"[UE %d] Empty buffers, send a long BSR to reset the bsr at eNB \n ",Mod_id);
// bsr_ce_len = sizeof(BSR_LONG);
//bsr_len = bsr_ce_len + bsr_header_len;
phr_header_len = 0;
phr_ce_len = 0;
}
// check for UL bandwidth requests and add SR control element
......@@ -1310,164 +1399,308 @@ void ue_get_sdu(module_id_t module_idP,int CC_id,frame_t frameP,sub_frame_t subf
// check for UL bandwidth requests and add SR control element
// Check for DCCH first
// TO DO: Unrool the loop to do it at least once to avoid the if num_sdu
for (lcid=DCCH; lcid < DTCH ; lcid++) {
if (UE_mac_inst[module_idP].scheduling_info.LCID_status[lcid] == LCID_NOT_EMPTY) {
if (UE_mac_inst[module_idP].scheduling_info.LCID_status[DCCH] == LCID_NOT_EMPTY) {
rlc_status = mac_rlc_status_ind(module_idP,
UE_mac_inst[module_idP].crnti,
eNB_index,
frameP,
ENB_FLAG_NO,
MBMS_FLAG_NO, // eNB_index
DCCH,
(buflen-dcch_header_len-bsr_len-phr_len));
LOG_D(MAC, "[UE %d] Frame %d : UL-DCCH -> ULSCH, RRC message has %d bytes to "
"send (Transport Block size %d, mac header len %d)\n",
module_idP,frameP, rlc_status.bytes_in_buffer,buflen,dcch_header_len);
sdu_lengths[0] += mac_rlc_data_req(module_idP,
UE_mac_inst[module_idP].crnti,
eNB_index,
frameP,
ENB_FLAG_NO,
MBMS_FLAG_NO,
DCCH,
(char *)&ulsch_buff[sdu_lengths[0]]);
sdu_length_total += sdu_lengths[0];
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]);
//header_len +=2;
} else {
dcch_header_len=0;
num_sdus = 0;
}
// if the RLC AM is used, then RLC will only provide 2 bytes for ACK
// in this case, we sould add bsr
// DCCH1
if (UE_mac_inst[module_idP].scheduling_info.LCID_status[DCCH1] == LCID_NOT_EMPTY) {
rlc_status = mac_rlc_status_ind(module_idP,
UE_mac_inst[module_idP].crnti,
eNB_index,
frameP,
ENB_FLAG_NO,
MBMS_FLAG_NO, // eNB_index
DCCH1,
(buflen-bsr_len-phr_len-dcch_header_len-dcch1_header_len-sdu_length_total));
LOG_D(MAC,"[UE %d] Frame %d : UL-DCCH1 -> ULSCH, RRC message has %d bytes to"
" send (Transport Block size %d, mac header len %d)\n",
module_idP,frameP, rlc_status.bytes_in_buffer,buflen,dcch1_header_len);
sdu_lengths[num_sdus] = mac_rlc_data_req(module_idP,
UE_mac_inst[module_idP].crnti,
eNB_index,
frameP,
ENB_FLAG_NO,
MBMS_FLAG_NO,
DCCH1,
(char *)&ulsch_buff[sdu_lengths[num_sdus]]);
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
} else {
dcch1_header_len =0;
}
is_lcid_processed = FALSE;
lcid_rlc_pdu_count = 0;
dtch_header_len=0;
dtch_header_len_last=0;
for (lcid=NB_RB_MAX-1; lcid>=DTCH ; lcid--){
dtch_header_len+=3;
dtch_header_len_last=3;
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)) {
// optimize the dtch header lenght
//if ((UE_mac_inst[module_idP].scheduling_info.BSR_bytes[DTCH] > 128) &&
/* if (((UE_mac_inst[module_idP].scheduling_info.BSR_bytes[DTCH] >= 128) &&
((UE_mac_inst[module_idP].scheduling_info.BSR_bytes[DTCH]+bsr_len+phr_len+dcch_header_len+dcch1_header_len+dtch_header_len) > buflen)&&
buflen >=128 ))
dtch_header_len = 3;//sizeof(SCH_SUBHEADER_LONG);
else
dtch_header_len = 2;//sizeof(SCH_SUBHEADER_SHORT);
*/
rlc_status = mac_rlc_status_ind(module_idP,
UE_mac_inst[module_idP].crnti,