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seperate processing thread into RX thread and TX thread

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This commit is contained in:
Wang Tsu-Han
2017-11-03 14:57:45 +01:00
parent caef8c6e56
commit c8420152de
1 changed files with 82 additions and 23 deletions
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targets/RT/USER/lte-enb.c
+82 -23
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@@ -145,7 +145,7 @@ void exit_fun(const char* s);
void init_eNB(int,int);
void stop_eNB(int nb_inst);
int wakeup_tx(PHY_VARS_eNB *eNB,RU_proc_t *ru_proc);
void wakeup_prach_eNB(PHY_VARS_eNB *eNB,RU_t *ru,int frame,int subframe);
#ifdef Rel14
void wakeup_prach_eNB_br(PHY_VARS_eNB *eNB,RU_t *ru,int frame,int subframe);
@@ -169,9 +169,9 @@ static inline int rxtx(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, char *thread_nam
}
// UE-specific RX processing for subframe n
phy_procedures_eNB_uespec_RX(eNB, proc, no_relay );
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ULSCH_SCHEDULER , 1 );
pthread_mutex_lock(&eNB->UL_INFO_mutex);
eNB->UL_INFO.frame = proc->frame_rx;
eNB->UL_INFO.subframe = proc->subframe_rx;
@@ -179,23 +179,12 @@ static inline int rxtx(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, char *thread_nam
eNB->UL_INFO.CC_id = eNB->CC_id;
eNB->if_inst->UL_indication(&eNB->UL_INFO);
pthread_mutex_unlock(&eNB->UL_INFO_mutex);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ULSCH_SCHEDULER , 0 );
// *****************************************
// TX processing for subframe n+4
// run PHY TX procedures the one after the other for all CCs to avoid race conditions
// (may be relaxed in the future for performance reasons)
// *****************************************
//if (wait_CCs(proc)<0) return(-1);
if (oai_exit) return(-1);
phy_procedures_eNB_TX(eNB, proc, no_relay, NULL, 1);
if (release_thread(&proc->mutex_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) return(-1);
wakeup_tx(eNB,eNB->proc.ru_proc);
stop_meas( &softmodem_stats_rxtx_sf );
@@ -203,6 +192,41 @@ static inline int rxtx(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, char *thread_nam
}
static void* tx_thread(void* param) {
eNB_proc_t *eNB_proc = (eNB_proc_t*)param;
eNB_rxtx_proc_t *proc = &eNB_proc->proc_rxtx[1];
PHY_VARS_eNB *eNB = RC.eNB[0][proc->CC_id];
char thread_name[100];
sprintf(thread_name,"RXn_TXnp4_%d\n",&eNB->proc.proc_rxtx[0] == proc ? 0 : 1);
thread_top_init(thread_name,1,850000L,1000000L,2000000L);
while (!oai_exit) {
if (wait_on_condition(&proc->mutex_rxtx,&proc->cond_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) break;
if (oai_exit) break;
// *****************************************
// TX processing for subframe n+4
// run PHY TX procedures the one after the other for all CCs to avoid race conditions
// (may be relaxed in the future for performance reasons)
// *****************************************
//if (wait_CCs(proc)<0) return(-1);
phy_procedures_eNB_TX(eNB, proc, no_relay, NULL, 1);
if (release_thread(&proc->mutex_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) break;
pthread_mutex_lock(&eNB_proc->ru_proc->mutex_eNBs);
++eNB_proc->ru_proc->instance_cnt_eNBs;
pthread_cond_signal(&eNB_proc->ru_proc->cond_eNBs);
pthread_mutex_unlock(&eNB_proc->ru_proc->mutex_eNBs);
}
return 0;
}
/*!
* \brief The RX UE-specific and TX thread of eNB.
* \param param is a \ref eNB_proc_t structure which contains the info what to process.
@@ -251,12 +275,6 @@ static void* eNB_thread_rxtx( void* param ) {
if (eNB->CC_id==0)
if (rxtx(eNB,proc,thread_name) < 0) break;
pthread_mutex_lock(&eNB_proc->ru_proc->mutex_eNBs);
//printf("//////////////////////////////ru_proc->instance_cnt_eNBs == %d \n",ru_proc->instance_cnt_eNBs);////////////////////////*********
++eNB_proc->ru_proc->instance_cnt_eNBs;
pthread_cond_signal(&eNB_proc->ru_proc->cond_eNBs);
pthread_mutex_unlock(&eNB_proc->ru_proc->mutex_eNBs);
//release_thread(&proc->mutex_rxtx,&proc->instance_cnt_rxtx,thread_name);
} // while !oai_exit
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 0 );
@@ -323,6 +341,46 @@ void eNB_top(PHY_VARS_eNB *eNB, int frame_rx, int subframe_rx, char *string,RU_t
}
}
int wakeup_tx(PHY_VARS_eNB *eNB,RU_proc_t *ru_proc) {
eNB_proc_t *proc=&eNB->proc;
eNB_rxtx_proc_t *proc_rxtx=&proc->proc_rxtx[1];//*proc_rxtx=&proc->proc_rxtx[proc->frame_rx&1];
LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
struct timespec wait;
wait.tv_sec=0;
wait.tv_nsec=5000000L;
if (pthread_mutex_timedlock(&proc_rxtx->mutex_rxtx,&wait) != 0) {
LOG_E( PHY, "[eNB] ERROR pthread_mutex_lock for eNB RXTX thread %d (IC %d)\n", proc_rxtx->subframe_rx&1,proc_rxtx->instance_cnt_rxtx );
exit_fun( "error locking mutex_rxtx" );
return(-1);
}
++proc_rxtx->instance_cnt_rxtx;
proc_rxtx->subframe_rx = ru_proc->subframe_rx;
proc_rxtx->frame_rx = ru_proc->frame_rx;
proc_rxtx->subframe_tx = (ru_proc->subframe_rx+4)%10;
proc_rxtx->frame_tx = (ru_proc->subframe_rx>5) ? (1+ru_proc->frame_rx)&1023 : ru_proc->frame_rx;
proc->frame_tx = proc_rxtx->frame_tx;
proc->frame_rx = proc_rxtx->frame_rx;
proc_rxtx->timestamp_tx = ru_proc->timestamp_tx;
// the thread can now be woken up
if (pthread_cond_signal(&proc_rxtx->cond_rxtx) != 0) {
LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB RXn-TXnp4 thread\n");
exit_fun( "ERROR pthread_cond_signal" );
return(-1);
}
pthread_mutex_unlock( &proc_rxtx->mutex_rxtx );
return(0);
}
int wakeup_rxtx(PHY_VARS_eNB *eNB,RU_t *ru) {
@@ -707,6 +765,7 @@ void init_eNB_proc(int inst) {
attr_td = &proc->attr_td;
attr_te = &proc->attr_te;
pthread_create( &proc_rxtx[0].pthread_rxtx, attr0, eNB_thread_rxtx, proc );
pthread_create( &proc_rxtx[1].pthread_rxtx, attr1, tx_thread, proc);
if (eNB->single_thread_flag==0) {
pthread_create( &proc_rxtx[0].pthread_rxtx, attr0, eNB_thread_rxtx, &proc_rxtx[0] );
pthread_create( &proc_rxtx[1].pthread_rxtx, attr1, eNB_thread_rxtx, &proc_rxtx[1] );