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/*******************************************************************************
Eurecom OpenAirInterface
Copyright(c) 1999 - 2010 Eurecom
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope 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
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information
Openair Admin: openair_admin@eurecom.fr
Openair Tech : openair_tech@eurecom.fr
Forums : http://forums.eurecom.fsr/openairinterface
Address : Eurecom, 2229, route des crêtes, 06560 Valbonne Sophia Antipolis, France
*******************************************************************************/
/*! \file ue_procedures.c
* \brief procedures related to UE
* \author Raymond Knopp, Navid Nikaein
* \date 2011
* \version 0.5
nikaeinn
committed
* \email: navid.nikaein@eurecom.fr
* @ingroup _mac
*/
Florian Kaltenberger
committed
#ifdef EXMIMO
#include <pthread.h>
#endif
#include "extern.h"
#include "defs.h"
#ifdef PHY_EMUL
# include "SIMULATION/PHY_EMULATION/impl_defs.h"
#else
# include "SCHED/defs.h"
# include "PHY/impl_defs_top.h"
#endif
#include "PHY_INTERFACE/defs.h"
#include "PHY_INTERFACE/extern.h"
#include "COMMON/mac_rrc_primitives.h"
#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
#include "RRC/LITE/extern.h"
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "OCG.h"
#include "OCG_extern.h"
#ifdef PHY_EMUL
#endif
Florian Kaltenberger
committed
#include "pdcp.h"
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#define DEBUG_HEADER_PARSING 1
#define ENABLE_MAC_PAYLOAD_DEBUG
/*
#ifndef USER_MODE
#define msg debug_msg
#endif
*/
mapping BSR_names[] = {
{"NONE", 0},
{"SHORT BSR", 1},
{"TRUNCATED BSR", 2},
{"LONG BSR", 3},
{"PADDING BSR", 4},
{NULL, -1}
};
extern inline unsigned int taus(void);
void ue_init_mac(){
int i,j;
for (i=0 ; i < NB_UE_INST; i++){
// default values as deined in 36.331 sec 9.2.2
LOG_I(MAC,"[UE%d] Applying default macMainConfig\n",i);
LOG_D(MAC, "[MSC_NEW][FRAME 00000][MAC_UE][MOD %02d][]\n", i+NB_eNB_INST);
//UE_mac_inst[Mod_id].scheduling_info.macConfig=NULL;
UE_mac_inst[i].scheduling_info.retxBSR_Timer= MAC_MainConfig__ul_SCH_Config__retxBSR_Timer_sf2560;
UE_mac_inst[i].scheduling_info.periodicBSR_Timer=MAC_MainConfig__ul_SCH_Config__periodicBSR_Timer_infinity;
UE_mac_inst[i].scheduling_info.periodicPHR_Timer = MAC_MainConfig__phr_Config__setup__periodicPHR_Timer_sf20;
UE_mac_inst[i].scheduling_info.prohibitPHR_Timer = MAC_MainConfig__phr_Config__setup__prohibitPHR_Timer_sf20;
UE_mac_inst[i].scheduling_info.PathlossChange_db = MAC_MainConfig__phr_Config__setup__dl_PathlossChange_dB1;
UE_mac_inst[i].PHR_state = MAC_MainConfig__phr_Config_PR_setup;
UE_mac_inst[i].scheduling_info.SR_COUNTER=0;
UE_mac_inst[i].scheduling_info.sr_ProhibitTimer=0;
UE_mac_inst[i].scheduling_info.sr_ProhibitTimer_Running=0;
UE_mac_inst[i].scheduling_info.maxHARQ_Tx=MAC_MainConfig__ul_SCH_Config__maxHARQ_Tx_n5;
UE_mac_inst[i].scheduling_info.ttiBundling=0;
UE_mac_inst[i].scheduling_info.drx_config=NULL;
UE_mac_inst[i].scheduling_info.phr_config=NULL;
UE_mac_inst[i].scheduling_info.periodicBSR_SF = get_sf_periodicBSRTimer(UE_mac_inst[i].scheduling_info.periodicBSR_Timer);
UE_mac_inst[i].scheduling_info.retxBSR_SF = get_sf_retxBSRTimer(UE_mac_inst[i].scheduling_info.retxBSR_Timer);
UE_mac_inst[i].scheduling_info.periodicPHR_SF = get_sf_perioidicPHR_Timer(UE_mac_inst[i].scheduling_info.periodicPHR_Timer);
UE_mac_inst[i].scheduling_info.prohibitPHR_SF = get_sf_prohibitPHR_Timer(UE_mac_inst[i].scheduling_info.prohibitPHR_Timer);
UE_mac_inst[i].scheduling_info.PathlossChange_db = get_db_dl_PathlossChange(UE_mac_inst[i].scheduling_info.PathlossChange);
for (j=0; j < MAX_NUM_LCID; j++){
LOG_D(MAC,"[UE%d] Applying default logical channel config for LCGID %d\n",i,j);
UE_mac_inst[i].scheduling_info.Bj[j]=-1;
UE_mac_inst[i].scheduling_info.bucket_size[j]=-1;
if (j < DTCH) // initilize all control channels lcgid to 0
UE_mac_inst[i].scheduling_info.LCGID[j]=0;
else // initialize all the data channels lcgid to 1
UE_mac_inst[i].scheduling_info.LCGID[j]=1;
UE_mac_inst[i].scheduling_info.LCID_status[j]=0;
}
}
}
unsigned char *parse_header(unsigned char *mac_header,
unsigned char *num_ce,
unsigned char *num_sdu,
unsigned char *rx_ces,
unsigned char *rx_lcids,
unsigned short *rx_lengths,
unsigned short tb_length) {
unsigned char not_done=1,num_ces=0,num_sdus=0,lcid, num_sdu_cnt;
unsigned char *mac_header_ptr = mac_header;
unsigned short length,ce_len=0;
while (not_done==1) {
if (((SCH_SUBHEADER_FIXED *)mac_header_ptr)->E == 0) {
// printf("E=0\n");
not_done = 0;
}
lcid = ((SCH_SUBHEADER_FIXED *)mac_header_ptr)->LCID;
if (lcid < UE_CONT_RES) {
//printf("[MAC][UE] header %x.%x.%x\n",mac_header_ptr[0],mac_header_ptr[1],mac_header_ptr[2]);
if (not_done==0) {// last MAC SDU, length is implicit
mac_header_ptr++;
length = tb_length-(mac_header_ptr-mac_header)-ce_len;
for (num_sdu_cnt=0; num_sdu_cnt < num_sdus ; num_sdu_cnt++)
length -= rx_lengths[num_sdu_cnt];
}
else {
if (((SCH_SUBHEADER_LONG *)mac_header_ptr)->F == 1) {
length = ((((SCH_SUBHEADER_LONG *)mac_header_ptr)->L_MSB & 0x7f ) << 8 ) | (((SCH_SUBHEADER_LONG *)mac_header_ptr)->L_LSB & 0xff);
mac_header_ptr += 3;
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] parse long sdu, size %x \n",length);
#endif
} else { //if (((SCH_SUBHEADER_SHORT *)mac_header_ptr)->F == 0) {
length = ((SCH_SUBHEADER_SHORT *)mac_header_ptr)->L;
mac_header_ptr += 2;
}
}
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] sdu %d lcid %d length %d (offset now %d)\n",
num_sdus,lcid,length,mac_header_ptr-mac_header);
#endif
rx_lcids[num_sdus] = lcid;
rx_lengths[num_sdus] = length;
num_sdus++;
}
else { // This is a control element subheader
if (lcid == SHORT_PADDING) {
mac_header_ptr++;
}
else {
rx_ces[num_ces] = lcid;
num_ces++;
mac_header_ptr ++;
if (lcid==TIMING_ADV_CMD)
ce_len++;
else if (lcid==UE_CONT_RES)
ce_len+=6;
}
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] ce %d lcid %d (offset now %d)\n",num_ces,lcid,mac_header_ptr-mac_header);
#endif
}
}
*num_ce = num_ces;
*num_sdu = num_sdus;
return(mac_header_ptr);
}
u32 ue_get_SR(u8 Mod_id,u32 frame,u8 eNB_id,u16 rnti, u8 subframe) {
// no UL-SCH resources available for this tti && UE has a valid PUCCH resources for SR configuration for this tti
// int MGL=6;// measurement gap length in ms
int MGRP=0; // measurement gap repition period in ms
int gapOffset=-1;
int T=0;
// int sfn=0;
// determin the measurement gap
LOG_D(MAC,"[UE %d][SR %x] Frame %d subframe %d PHY asks for SR (SR_COUNTER/dsr_TransMax %d/%d), SR_pending %d\n",
Mod_id,rnti,frame,subframe,
UE_mac_inst[Mod_id].scheduling_info.SR_COUNTER,
(1<<(2+UE_mac_inst[Mod_id].physicalConfigDedicated->schedulingRequestConfig->choice.setup.dsr_TransMax)),
UE_mac_inst[Mod_id].scheduling_info.SR_pending);
if (UE_mac_inst[Mod_id].measGapConfig !=NULL){
if (UE_mac_inst[Mod_id].measGapConfig->choice.setup.gapOffset.present == MeasGapConfig__setup__gapOffset_PR_gp0){
MGRP= 40;
gapOffset= UE_mac_inst[Mod_id].measGapConfig->choice.setup.gapOffset.choice.gp0;
}else if (UE_mac_inst[Mod_id].measGapConfig->choice.setup.gapOffset.present == MeasGapConfig__setup__gapOffset_PR_gp1){
MGRP= 80;
gapOffset= UE_mac_inst[Mod_id].measGapConfig->choice.setup.gapOffset.choice.gp1;
}else{
LOG_W(MAC, "Measurement GAP offset is unknown\n");
}
T=MGRP/10;
//check the measurement gap and sr prohibit timer
if ((subframe == gapOffset %10) && ((frame %T) == (floor(gapOffset/10)))
&& (UE_mac_inst[Mod_id].scheduling_info.sr_ProhibitTimer_Running =0)){
UE_mac_inst[Mod_id].scheduling_info.SR_pending=1;
return(0);
}
}
if ((UE_mac_inst[Mod_id].scheduling_info.SR_pending==1) &&
(UE_mac_inst[Mod_id].scheduling_info.SR_COUNTER <
(1<<(2+UE_mac_inst[Mod_id].physicalConfigDedicated->schedulingRequestConfig->choice.setup.dsr_TransMax)))
){
UE_mac_inst[Mod_id].scheduling_info.SR_COUNTER++;
// start the sr-prohibittimer : rel 9 and above
if (UE_mac_inst[Mod_id].scheduling_info.sr_ProhibitTimer > 0) { // timer configured
UE_mac_inst[Mod_id].scheduling_info.sr_ProhibitTimer--;
UE_mac_inst[Mod_id].scheduling_info.sr_ProhibitTimer_Running=1;
} else
UE_mac_inst[Mod_id].scheduling_info.sr_ProhibitTimer_Running=0;
LOG_D(MAC,"[UE %d][SR %x] Frame %d subframe %d send SR_indication (SR_COUNTER/dsr_TransMax %d/%d), SR_pending %d\n",
Mod_id,rnti,frame,subframe,
UE_mac_inst[Mod_id].scheduling_info.SR_COUNTER,
(1<<(2+UE_mac_inst[Mod_id].physicalConfigDedicated->schedulingRequestConfig->choice.setup.dsr_TransMax)),
UE_mac_inst[Mod_id].scheduling_info.SR_pending);
//UE_mac_inst[Mod_id].ul_active =1;
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return(1); //instruct phy to signal SR
}
else{
// notify RRC to relase PUCCH/SRS
// clear any configured dl/ul
// initiate RA
UE_mac_inst[Mod_id].scheduling_info.SR_pending=0;
UE_mac_inst[Mod_id].scheduling_info.SR_COUNTER=0;
return(0);
}
}
void ue_send_sdu(u8 Mod_id,u32 frame,u8 *sdu,u16 sdu_len,u8 eNB_index) {
unsigned char rx_ces[MAX_NUM_CE],num_ce,num_sdu,i,*payload_ptr;
unsigned char rx_lcids[NB_RB_MAX];
unsigned short rx_lengths[NB_RB_MAX];
unsigned char *tx_sdu;
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SEND_SDU, VCD_FUNCTION_IN);
LOG_T(MAC,"sdu: %x.%x.%x\n",sdu[0],sdu[1],sdu[2]);
#if defined(USER_MODE) && defined(OAI_EMU)
if (oai_emulation.info.opt_enabled) {
trace_pdu(1, sdu, sdu_len, Mod_id, 3, UE_mac_inst[Mod_id].crnti,
UE_mac_inst[Mod_id].subframe, 0, 0);
}
#endif
payload_ptr = parse_header(sdu,&num_ce,&num_sdu,rx_ces,rx_lcids,rx_lengths,sdu_len);
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE %d] ue_send_sdu : Frame %d eNB_index %d : num_ce %d num_sdu %d\n",Mod_id,
frame,eNB_index,num_ce,num_sdu);
#endif
#if defined(ENABLE_MAC_PAYLOAD_DEBUG)
LOG_T(MAC,"[eNB %d] First 32 bytes of DLSCH : \n");
for (i=0;i<32;i++)
LOG_T(MAC,"%x.",sdu[i]);
LOG_T(MAC,"\n");
#endif
for (i=0;i<num_ce;i++) {
// printf("ce %d : %d\n",i,rx_ces[i]);
switch (rx_ces[i]) {
case UE_CONT_RES:
LOG_I(MAC,"[UE %d][RAPROC] Frame %d : received contention resolution msg: %x.%x.%x.%x.%x.%x, Terminating RA procedure\n",
Mod_id,frame,payload_ptr[0],payload_ptr[1],payload_ptr[2],payload_ptr[3],payload_ptr[4],payload_ptr[5]);
if (UE_mac_inst[Mod_id].RA_active == 1) {
LOG_I(MAC,"[UE %d][RAPROC] Frame %d : Clearing RA_active flag\n");
UE_mac_inst[Mod_id].RA_active=0;
// check if RA procedure has finished completely (no contention)
tx_sdu = &UE_mac_inst[Mod_id].CCCH_pdu.payload[3];
//Note: 3 assumes sizeof(SCH_SUBHEADER_SHORT) + PADDING CE, which is when UL-Grant has TBS >= 9 (64 bits)
// (other possibility is 1 for TBS=7 (SCH_SUBHEADER_FIXED), or 2 for TBS=8 (SCH_SUBHEADER_FIXED+PADDING or SCH_SUBHEADER_SHORT)
for (i=0;i<6;i++)
if (tx_sdu[i] != payload_ptr[i]) {
LOG_E(MAC,"[UE %d][RAPROC] Contention detected, RA failed\n",Mod_id);
mac_xface->ra_failed(Mod_id,eNB_index);
UE_mac_inst[Mod_id].RA_contention_resolution_timer_active = 0;
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SEND_SDU, VCD_FUNCTION_OUT);
return;
}
LOG_I(MAC,"[UE %d][RAPROC] Frame %d : Clearing contention resolution timer\n");
UE_mac_inst[Mod_id].RA_contention_resolution_timer_active = 0;
mac_xface->ra_succeeded(Mod_id,eNB_index);
}
payload_ptr+=6;
break;
case TIMING_ADV_CMD:
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] CE %d : UE Timing Advance : %d\n",i,payload_ptr[0]);
#endif
//mac_xface->process_timing_advance(Mod_id,payload_ptr[0]);
payload_ptr++;
break;
case DRX_CMD:
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] CE %d : UE DRX :",i);
#endif
payload_ptr++;
break;
}
}
for (i=0;i<num_sdu;i++) {
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] SDU %d : LCID %d, length %d\n",i,rx_lcids[i],rx_lengths[i]);
#endif
if (rx_lcids[i] == CCCH) {
LOG_D(MAC,"[UE %d] Frame %d : DLSCH -> DL-CCCH, RRC message (eNB %d, %d bytes)\n",Mod_id,frame, eNB_index, rx_lengths[i]);
#if defined(ENABLE_MAC_PAYLOAD_DEBUG)
int j;
for (j=0;j<rx_lengths[i];j++)
LOG_T(MAC,"%x.",(unsigned char)payload_ptr[j]);
LOG_T(MAC,"\n");
#endif
mac_rrc_data_ind(Mod_id,
frame,
CCCH,
(char *)payload_ptr,rx_lengths[i],0,eNB_index);
}
else if (rx_lcids[i] == DCCH) {
LOG_D(MAC,"[UE %d] Frame %d : DLSCH -> DL-DCCH%d, RRC message (eNB %d, %d bytes)\n", Mod_id, frame, rx_lcids[i],eNB_index,rx_lengths[i]);
mac_rlc_data_ind(Mod_id+NB_eNB_INST,
frame,
0,
RLC_MBMS_NO,
DCCH,
(char *)payload_ptr,
rx_lengths[i],
1,
NULL);
}
else if (rx_lcids[i] == DCCH1) {
LOG_D(MAC,"[UE %d] Frame %d : DLSCH -> DL-DCCH%d, RRC message (eNB %d, %d bytes)\n", Mod_id, frame, rx_lcids[i], eNB_index,rx_lengths[i]);
mac_rlc_data_ind(Mod_id+NB_eNB_INST,
frame,
0,
RLC_MBMS_NO,
DCCH1,
(char *)payload_ptr,
rx_lengths[i],
1,
NULL);
}
else if (rx_lcids[i] == DTCH) {
LOG_D(MAC,"[UE %d] Frame %d : DLSCH -> DL-DTCH%d (eNB %d, %d bytes)\n", Mod_id, frame,rx_lcids[i], eNB_index,rx_lengths[i]);
#if defined(ENABLE_MAC_PAYLOAD_DEBUG)
int j;
for (j=0;j<rx_lengths[i];j++)
LOG_T(MAC,"%x.",(unsigned char)payload_ptr[j]);
LOG_T(MAC,"\n");
#endif
mac_rlc_data_ind(Mod_id+NB_eNB_INST,
frame,
0,
RLC_MBMS_NO,
DTCH,
(char *)payload_ptr,
rx_lengths[i],
1,
NULL);
}
payload_ptr+= rx_lengths[i];
}
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SEND_SDU, VCD_FUNCTION_OUT);
}
void ue_decode_si(u8 Mod_id,u32 frame, u8 eNB_index, void *pdu,u16 len) {
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_SI, VCD_FUNCTION_IN);
LOG_D(MAC,"[UE %d] Frame %d Sending SI to RRC (LCID Id %d,len %d)\n",Mod_id,frame,BCCH,len);
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mac_rrc_data_ind(Mod_id,
frame,
BCCH,
(char *)pdu,
len,
0,
eNB_index);
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_SI, VCD_FUNCTION_OUT);
}
#ifdef Rel10
unsigned char *parse_mch_header(unsigned char *mac_header,
unsigned char *num_sdu,
unsigned char *rx_lcids,
unsigned short *rx_lengths,
unsigned short tb_length) {
unsigned char not_done=1, num_sdus=0, lcid, i;
unsigned char *mac_header_ptr = mac_header;
unsigned short length;
while (not_done == 1) {
if (((SCH_SUBHEADER_FIXED *)mac_header_ptr)->E == 0) {
not_done = 0;
}
lcid = ((SCH_SUBHEADER_FIXED *)mac_header_ptr)->LCID;
if (lcid < SHORT_PADDING) {// subheader for MSI, MCCH or MTCH
if (not_done == 0) { // last MAC SDU, length is implicit
mac_header_ptr++;
length = tb_length- (mac_header_ptr - mac_header);
for (i=0; i<num_sdus; i++)
length -= rx_lengths[i];
}
else { // not the last MAC SDU
if ( ((SCH_SUBHEADER_LONG *)mac_header_ptr)->F == 1) {// subheader has length of 3octets
// length = ((SCH_SUBHEADER_LONG *)mac_header_ptr)->L;
length = ((((SCH_SUBHEADER_LONG *)mac_header_ptr)->L_MSB & 0x7f ) << 8 ) | (((SCH_SUBHEADER_LONG *)mac_header_ptr)->L_LSB & 0xff);
mac_header_ptr += 3;
}
else {// subheader has length of 2octets
length = ((SCH_SUBHEADER_SHORT *)mac_header_ptr)->L;
mac_header_ptr += 2;
}
}
rx_lcids[num_sdus] = lcid;
rx_lengths[num_sdus] = length;
num_sdus++;
}
else {// subheader for padding
// if (lcid == SHORT_PADDING)
mac_header_ptr++;
}
}
*num_sdu = num_sdus;
return(mac_header_ptr);
}
// this function is for sending mch_sdu from phy to mac
void ue_send_mch_sdu(u8 Mod_id, u32 frame, u8 *sdu, u16 sdu_len, u8 eNB_index) {
unsigned char num_sdu, i, *payload_ptr;
unsigned char rx_lcids[NB_RB_MAX];
unsigned short rx_lengths[NB_RB_MAX];
// vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SEND_MCH_SDU, VCD_FUNCTION_IN);
LOG_I(MAC,"[UE %d] Frame %d : entering ue_send_mch_sdu\n",Mod_id,frame);
LOG_I(MAC,"[UE %d] sdu: %x.%x\n", Mod_id,sdu[0], sdu[1]);
LOG_I(MAC,"[UE %d] parse_mch_header, demultiplex\n",Mod_id);
payload_ptr = parse_mch_header(sdu, &num_sdu, rx_lcids, rx_lengths, sdu_len);
LOG_I(MAC,"[UE %d] parse_mch_header, found %d sdus\n",Mod_id,num_sdu);
for (i=0; i<num_sdu; i++) {
if (rx_lcids[i] == MCH_SCHDL_INFO) {
if (UE_mac_inst[Mod_id].mcch_status==1) {
nguyennd
committed
LOG_I(MAC,"[UE %d] Frame %d : MCH -> MSI (eNB %d, %d bytes)\n",Mod_id,frame, eNB_index, rx_lengths[i]);
// ??store necessary scheduling info to ue_mac_inst in order to
// calculate exact position of interested service (for the complex case has >1 mtch)
// set msi_status to 1
UE_mac_inst[Mod_id].msi_status = 1;
}
}
else if (rx_lcids[i] == MCCH_LCHANID) {
LOG_I(MAC,"[UE %d] Frame %d : MCH -> MCCH, RRC message (eNB %d, %d bytes)\n",Mod_id,frame, eNB_index, rx_lengths[i]);
mac_rrc_data_ind(Mod_id,
frame,
MCCH,
(char *)payload_ptr, rx_lengths[i], 0, eNB_index);
}
else if (rx_lcids[i] == MTCH) {
if (UE_mac_inst[Mod_id].msi_status==1) {
nguyennd
committed
LOG_I(MAC,"[UE %d] Frame %d : MCH -> MTCH (eNB %d, %d bytes)\n",Mod_id,frame, eNB_index, rx_lengths[i]);
mac_rlc_data_ind(Mod_id+NB_eNB_INST, // because rlc[module_idP] (to differential between eNB and UE)
frame,
0,
RLC_MBMS_YES,
MTCH + (maxDRB + 3),
(char *)payload_ptr,
rx_lengths[i],
1,
NULL);
}
}
payload_ptr += rx_lengths[i];
}
// vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SEND_MCH_SDU, VCD_FUNCTION_OUT);
}
int ue_query_mch(uint8_t Mod_id, uint32_t frame, uint32_t subframe) {
int ii=0, msi_pos=0, mcch_mcs;
int mcch_flag=0, mtch_flag=0, msi_flag=0;
int mbsfn_period = 1<<(UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->radioframeAllocationPeriod);
int mcch_period = 32<<(UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.mcch_RepetitionPeriod_r9);
int mch_scheduling_period;
LOG_I(MAC,"[UE %d] Frame %d, subframe %d: query mch\n",Mod_id,frame,subframe);
if (UE_mac_inst[Mod_id].pmch_Config[0])
mch_scheduling_period = 8<<(UE_mac_inst[Mod_id].pmch_Config[0]->mch_SchedulingPeriod_r9);
if (frame % mbsfn_period == UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->radioframeAllocationOffset){ // MBSFN frame
if (UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.present == MBSFN_SubframeConfig__subframeAllocation_PR_oneFrame){// one-frame format
if (UE_mac_inst[Mod_id].pmch_Config[0]) {
nguyennd
committed
// Find the first subframe in this MCH to transmit MSI
if (frame % mch_scheduling_period == UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->radioframeAllocationOffset ) {
while (ii == 0) {
ii = UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.choice.oneFrame.buf[0] & (0x80>>msi_pos);
msi_pos++;
nguyennd
committed
}
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}
// Check if the subframe is for MSI, MCCH or MTCHs and Set the correspoding flag to 1
switch (subframe) {
case 1:
if (mac_xface->lte_frame_parms->frame_type == FDD) {
if ((UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.choice.oneFrame.buf[0] & MBSFN_FDD_SF1) == MBSFN_FDD_SF1) {
if (msi_pos == 1)
msi_flag = 1;
if ( (frame % mcch_period == UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.mcch_Offset_r9) &&
((UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.sf_AllocInfo_r9.buf[0] & MBSFN_FDD_SF1) == MBSFN_FDD_SF1) )
mcch_flag = 1;
mtch_flag = 1;
}
}
break;
case 2:
if (mac_xface->lte_frame_parms->frame_type == FDD){
if ((UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.choice.oneFrame.buf[0] & MBSFN_FDD_SF2) == MBSFN_FDD_SF2) {
if (msi_pos == 2)
msi_flag = 1;
if ( (frame % mcch_period == UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.mcch_Offset_r9) &&
((UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.sf_AllocInfo_r9.buf[0] & MBSFN_FDD_SF2) == MBSFN_FDD_SF2) )
mcch_flag = 1;
mtch_flag = 1;
}
}
break;
case 3:
if (mac_xface->lte_frame_parms->frame_type == TDD){// TDD
if ((UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.choice.oneFrame.buf[0] & MBSFN_TDD_SF3) == MBSFN_TDD_SF3) {
if (msi_pos == 1)
msi_flag = 1;
if ( (frame % mcch_period == UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.mcch_Offset_r9) &&
((UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.sf_AllocInfo_r9.buf[0] & MBSFN_TDD_SF3) == MBSFN_TDD_SF3) )
mcch_flag = 1;
mtch_flag = 1;
}
}
else {// FDD
if ((UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.choice.oneFrame.buf[0] & MBSFN_FDD_SF3) == MBSFN_FDD_SF3) {
if (msi_pos == 3)
msi_flag = 1;
if ( (frame % mcch_period == UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.mcch_Offset_r9) &&
((UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.sf_AllocInfo_r9.buf[0] & MBSFN_FDD_SF3) == MBSFN_FDD_SF3) )
mcch_flag = 1;
mtch_flag = 1;
}
}
break;
case 4:
if (mac_xface->lte_frame_parms->frame_type == TDD){
if ((UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.choice.oneFrame.buf[0] & MBSFN_TDD_SF4) == MBSFN_TDD_SF4) {
if (msi_pos == 2)
msi_flag = 1;
if ( (frame % mcch_period == UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.mcch_Offset_r9) &&
((UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.sf_AllocInfo_r9.buf[0] & MBSFN_TDD_SF4) == MBSFN_TDD_SF4) )
mcch_flag = 1;
mtch_flag = 1;
}
}
break;
case 6:
if (mac_xface->lte_frame_parms->frame_type == FDD){
if ((UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.choice.oneFrame.buf[0] & MBSFN_FDD_SF6) == MBSFN_FDD_SF6) {
if (msi_pos == 4)
msi_flag = 1;
if ( (frame % mcch_period == UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.mcch_Offset_r9) &&
((UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.sf_AllocInfo_r9.buf[0] & MBSFN_FDD_SF6) == MBSFN_FDD_SF6) )
mcch_flag = 1;
mtch_flag = 1;
}
}
break;
case 7:
if (mac_xface->lte_frame_parms->frame_type == TDD){ // TDD
if ((UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.choice.oneFrame.buf[0] & MBSFN_TDD_SF7) == MBSFN_TDD_SF7) {
if (msi_pos == 3)
msi_flag = 1;
if ( (frame % mcch_period == UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.mcch_Offset_r9) &&
((UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.sf_AllocInfo_r9.buf[0] & MBSFN_TDD_SF7) == MBSFN_TDD_SF7) )
mcch_flag = 1;
mtch_flag = 1;
}
}
else {// FDD
if ((UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.choice.oneFrame.buf[0] & MBSFN_FDD_SF7) == MBSFN_FDD_SF7) {
if (msi_pos == 5)
msi_flag = 1;
if ( (frame % mcch_period == UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.mcch_Offset_r9) &&
((UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.sf_AllocInfo_r9.buf[0] & MBSFN_FDD_SF7) == MBSFN_FDD_SF7) )
mcch_flag = 1;
mtch_flag = 1;
}
}
break;
case 8:
if (mac_xface->lte_frame_parms->frame_type == TDD){ //TDD
if ((UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.choice.oneFrame.buf[0] & MBSFN_TDD_SF8) == MBSFN_TDD_SF8) {
if (msi_pos == 4)
msi_flag = 1;
if ( (frame % mcch_period == UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.mcch_Offset_r9) &&
((UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.sf_AllocInfo_r9.buf[0] & MBSFN_TDD_SF8) == MBSFN_TDD_SF8) )
mcch_flag = 1;
mtch_flag = 1;
}
}
else{ // FDD
if ((UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.choice.oneFrame.buf[0] & MBSFN_FDD_SF8) == MBSFN_FDD_SF8) {
if (msi_pos == 6)
msi_flag = 1;
if ( (frame % mcch_period == UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.mcch_Offset_r9) &&
((UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.sf_AllocInfo_r9.buf[0] & MBSFN_FDD_SF8) == MBSFN_FDD_SF8) )
mcch_flag = 1;
mtch_flag = 1;
}
}
break;
case 9:
if (mac_xface->lte_frame_parms->frame_type == TDD){
if ((UE_mac_inst[Mod_id].mbsfn_SubframeConfig[0]->subframeAllocation.choice.oneFrame.buf[0] & MBSFN_TDD_SF9) == MBSFN_TDD_SF9) {
if (msi_pos == 5)
msi_flag = 1;
if ( (frame % mcch_period == UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.mcch_Offset_r9) &&
((UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.sf_AllocInfo_r9.buf[0] & MBSFN_TDD_SF9) == MBSFN_TDD_SF9) )
mcch_flag = 1;
mtch_flag = 1;
}
}
break;
}// end switch
}
else {// four-frame format
}
}
// get the real MCS value
switch (UE_mac_inst[Mod_id].mbsfn_AreaInfo[0]->mcch_Config_r9.signallingMCS_r9) {
case 0:
mcch_mcs = 2;
break;
case 1:
mcch_mcs = 7;
break;
case 2:
mcch_mcs = 13;
break;
case 3:
mcch_mcs = 19;
break;
}
if ( (mcch_flag==1) ||
((msi_flag==1) && (UE_mac_inst[Mod_id].mcch_status==1)) )
return mcch_mcs;
else if ((mtch_flag==1) && (UE_mac_inst[Mod_id].msi_status==1))
return UE_mac_inst[Mod_id].pmch_Config[0]->dataMCS_r9;
else
return -1;
}
#endif
unsigned char generate_ulsch_header(u8 *mac_header,
u8 num_sdus,
u8 short_padding,
u16 *sdu_lengths,
u8 *sdu_lcids,
POWER_HEADROOM_CMD *power_headroom,
u16 *crnti,
BSR_SHORT *truncated_bsr,
BSR_SHORT *short_bsr,
BSR_LONG *long_bsr,
unsigned short post_padding) {
SCH_SUBHEADER_FIXED *mac_header_ptr = (SCH_SUBHEADER_FIXED *)mac_header;
unsigned char first_element=0,last_size=0,i;
unsigned char mac_header_control_elements[16],*ce_ptr;
LOG_D(MAC,"[UE] Generate ULSCH : num_sdus %d\n",num_sdus);
#ifdef DEBUG_HEADER_PARSING
for (i=0;i<num_sdus;i++)
LOG_T(MAC,"[UE] sdu %d : lcid %d length %d",i,sdu_lcids[i],sdu_lengths[i]);
LOG_T(MAC,"\n");
#endif
ce_ptr = &mac_header_control_elements[0];
if ((short_padding == 1) || (short_padding == 2)) {
mac_header_ptr->R = 0;
mac_header_ptr->E = 0;
mac_header_ptr->LCID = SHORT_PADDING;
first_element=1;
last_size=1;
}
if (short_padding == 2) {
mac_header_ptr->E = 1;
mac_header_ptr++;
mac_header_ptr->R = 0;
mac_header_ptr->E = 0;
mac_header_ptr->LCID = SHORT_PADDING;
last_size=1;
}
if (power_headroom) {
if (first_element>0) {
mac_header_ptr->E = 1;
mac_header_ptr++;
}
else {
first_element=1;
}
mac_header_ptr->R = 0;
mac_header_ptr->E = 0;
mac_header_ptr->LCID = POWER_HEADROOM;
last_size=1;
*((POWER_HEADROOM_CMD *)ce_ptr)=(*power_headroom);
ce_ptr+=sizeof(POWER_HEADROOM_CMD);
LOG_D(MAC, "phr header size %d\n",sizeof(POWER_HEADROOM_CMD));
}
if (crnti) {
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] CRNTI : %x (first_element %d)\n",*crnti,first_element);
#endif
if (first_element>0) {
mac_header_ptr->E = 1;
mac_header_ptr++;
}
else {
first_element=1;
}
mac_header_ptr->R = 0;
mac_header_ptr->E = 0;
mac_header_ptr->LCID = CRNTI;
last_size=1;
*((u16 *)ce_ptr)=(*crnti);
ce_ptr+=sizeof(u16);
// printf("offset %d\n",ce_ptr-mac_header_control_elements);
}
if (truncated_bsr) {
if (first_element>0) {
mac_header_ptr->E = 1;
/*
printf("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);
*/
mac_header_ptr++;
}
else {
first_element=1;
}
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] Scheduler Truncated BSR Header\n");
#endif
mac_header_ptr->R = 0;
mac_header_ptr->E = 0;
mac_header_ptr->LCID = TRUNCATED_BSR;
last_size=1;
*((BSR_TRUNCATED *)ce_ptr)=(*truncated_bsr);
ce_ptr+=sizeof(BSR_TRUNCATED);
// printf("(cont_res) : offset %d\n",ce_ptr-mac_header_control_elements);
}
else if (short_bsr) {
if (first_element>0) {
mac_header_ptr->E = 1;
/*
printf("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);
*/
mac_header_ptr++;
}
else {
first_element=1;
}
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] Scheduler SHORT BSR Header\n");
#endif
mac_header_ptr->R = 0;
mac_header_ptr->E = 0;
mac_header_ptr->LCID = SHORT_BSR;
last_size=1;
*((BSR_SHORT *)ce_ptr)=(*short_bsr);
ce_ptr+=sizeof(BSR_SHORT);
// printf("(cont_res) : offset %d\n",ce_ptr-mac_header_control_elements);
}
else if (long_bsr) {
if (first_element>0) {
mac_header_ptr->E = 1;
/*
printf("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);
*/
mac_header_ptr++;
}
else {
first_element=1;
}
#ifdef DEBUG_HEADER_PARSING
LOG_D(MAC,"[UE] Scheduler Long BSR Header\n");
#endif
mac_header_ptr->R = 0;
mac_header_ptr->E = 0;
mac_header_ptr->LCID = LONG_BSR;
last_size=1;
*(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);
}
// printf("last_size %d,mac_header_ptr %p\n",last_size,mac_header_ptr);
for (i=0;i<num_sdus;i++) {
#ifdef DEBUG_HEADER_PARSING
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 (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",
((u16*)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 (post_padding>0) {// we have lots of padding at the end of the packet
mac_header_ptr->E = 1;
mac_header_ptr+=last_size;
// add a padding element
mac_header_ptr->R = 0;
mac_header_ptr->E = 0;
mac_header_ptr->LCID = SHORT_PADDING;
mac_header_ptr++;
}
else { // no end of packet padding
// last SDU subhead is of fixed type (sdu length implicitly to be computed at UE)
mac_header_ptr++;
//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);
}
#ifdef DEBUG_HEADER_PARSING
LOG_T(MAC," [UE %d] header : ", crnti);
for (i=0;i<((unsigned char*)mac_header_ptr - mac_header);i++)
LOG_T(MAC,"%2x.",mac_header[i]);
LOG_T(MAC,"\n");
#endif
return((unsigned char*)mac_header_ptr - mac_header);
}
void ue_get_sdu(u8 Mod_id,u32 frame,u8 subframe, u8 eNB_index,u8 *ulsch_buffer,u16 buflen, u8 *access_mode) {
mac_rlc_status_resp_t rlc_status;
u8 dcch_header_len=0,dcch1_header_len=0,dtch_header_len=0;
u8 dcch_header_len_tmp=0, dtch_header_len_tmp=0;
u8 bsr_header_len=0, bsr_ce_len=0, bsr_len=0;
u8 phr_header_len=0, phr_ce_len=0,phr_len=0;
u16 sdu_lengths[8];
u8 sdu_lcids[8],payload_offset=0,num_sdus=0;
u8 ulsch_buff[MAX_ULSCH_PAYLOAD_BYTES];
u16 sdu_length_total=0;
BSR_SHORT bsr_short;
BSR_LONG bsr_long;
BSR_SHORT *bsr_s=&bsr_short;
BSR_LONG *bsr_l=&bsr_long;
POWER_HEADROOM_CMD phr;
POWER_HEADROOM_CMD *phr_p=&phr;
unsigned short short_padding=0, post_padding=0;
int j; // used for padding
// Compute header length
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GET_SDU, VCD_FUNCTION_IN);
if (*access_mode==CBA_ACCESS){
LOG_D(MAC,"[UE %d] frame %d subframe %d try CBA transmission\n",
Mod_id, frame, subframe);
//if (UE_mac_inst[Mod_id].scheduling_info.LCID_status[DTCH] == LCID_EMPTY)
if (use_cba_access(Mod_id,frame,subframe,eNB_index)==0){
*access_mode=POSTPONED_ACCESS;
Florian Kaltenberger
committed
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GET_SDU, VCD_FUNCTION_OUT);
return;
}
LOG_D(MAC,"[UE %d] frame %d subframe %d CBA transmission oppurtunity, tbs %d\n",
Mod_id, frame, subframe,buflen);
}
#endif
dcch_header_len=2;//sizeof(SCH_SUBHEADER_SHORT);