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Commit 0da8e5cc authored by magounak's avatar magounak
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merge with L1_renaming (RU_mask_tx)

parent 872839d1
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Showing with 79 additions and 50 deletions
openair1/PHY/defs_eNB.h
View file @ 0da8e5cc
......@@ -894,12 +894,16 @@ typedef struct eNB_proc_t_s {
pthread_mutex_t mutex_asynch_rxtx;
/// mutex for RU access to eNB processing (PDSCH/PUSCH)
pthread_mutex_t mutex_RU;
/// mutex for eNB processing to access RU TX (PDSCH/PUSCH)
pthread_mutex_t mutex_RU_tx;
/// mutex for RU access to eNB processing (PRACH)
pthread_mutex_t mutex_RU_PRACH;
/// mutex for RU access to eNB processing (PRACH BR)
pthread_mutex_t mutex_RU_PRACH_br;
/// mask for RUs serving eNB (PDSCH/PUSCH)
int RU_mask[10];
/// mask for RUs serving eNB (PDSCH/PUSCH)
int RU_mask_tx;
/// time measurements for RU arrivals
struct timespec t[10];
/// Timing statistics (RU_arrivals)
......
targets/RT/USER/lte-enb.c
View file @ 0da8e5cc
......@@ -155,7 +155,7 @@ extern double cpuf;
void init_eNB(int,int);
void stop_eNB(int nb_inst);
int wakeup_tx(PHY_VARS_eNB *eNB,RU_proc_t *ru_proc);
int wakeup_tx(PHY_VARS_eNB *eNB);
int wakeup_txfh(eNB_rxtx_proc_t *proc,PHY_VARS_eNB *eNB);
void wakeup_prach_eNB(PHY_VARS_eNB *eNB,RU_t *ru,int frame,int subframe);
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
......@@ -395,7 +395,6 @@ LOG_I(PHY,"ENTERED L1_thread\n");
PHY_VARS_eNB *eNB = RC.eNB[0][proc->CC_id];
//RU_proc_t *ru_proc = NULL;
char thread_name[100];
......@@ -441,7 +440,7 @@ LOG_I(PHY,"ENTERED L1_thread\n");
if (release_thread(&proc->mutex,&proc->instance_cnt,thread_name)<0) break;
if (nfapi_mode!=2){
if(get_thread_parallel_conf() == PARALLEL_RU_L1_TRX_SPLIT) wakeup_tx(eNB,eNB->proc.ru_proc);
if(get_thread_parallel_conf() == PARALLEL_RU_L1_TRX_SPLIT) wakeup_tx(eNB);
else if(get_thread_parallel_conf() == PARALLEL_RU_L1_SPLIT)
{
phy_procedures_eNB_TX(eNB, proc, 1);
......@@ -487,11 +486,23 @@ void eNB_top(PHY_VARS_eNB *eNB, int frame_rx, int subframe_rx, char *string,RU_t
int wakeup_txfh(eNB_rxtx_proc_t *proc,PHY_VARS_eNB *eNB) {
RU_proc_t *ru_proc;
struct timespec wait;
wait.tv_sec=0;
wait.tv_nsec=5000000L;
LTE_DL_FRAME_PARMS *fp;
LOG_I(PHY,"ENTERED wakeup_txfh\n");
printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~inside wakeup_txfh %d.%d IC_RU = %d\n", proc->frame_tx, proc->subframe_tx, proc->instance_cnt_RUs);
if(wait_on_condition(&proc->mutex_RUs,&proc->cond_RUs,&proc->instance_cnt_RUs,"wakeup_txfh")<0) {
LOG_E(PHY,"Frame %d, subframe %d: TX FH not ready\n", proc->frame_tx, proc->subframe_tx);
return(-1);
}
pthread_mutex_lock(&eNB->proc.mutex_RU_tx);
eNB->proc.RU_mask_tx = 0;
pthread_mutex_unlock(&eNB->proc.mutex_RU_tx);
if (release_thread(&proc->mutex_RUs,&proc->instance_cnt_RUs,"wakeup_txfh")<0) return(-1);
for(int ru_id=0; ru_id<eNB->num_RU; ru_id++){
ru_proc = &eNB->RU_list[ru_id]->proc;
fp = &eNB->RU_list[ru_id]->frame_parms;
......@@ -500,12 +511,7 @@ int wakeup_txfh(eNB_rxtx_proc_t *proc,PHY_VARS_eNB *eNB) {
if (eNB->RU_list[ru_id]->state == RU_SYNC) { LOG_D(PHY,"wakeup_txfh: eNB %d : Skipping ru %d\n",eNB->Mod_id,ru_id); continue; }
if(ru_proc == NULL) {return(0);}
printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~inside wakeup_txfh %d.%d IC_RU = %d\n", proc->frame_tx, proc->subframe_tx, proc->instance_cnt_RUs);
if(wait_on_condition(&proc->mutex_RUs,&proc->cond_RUs,&proc->instance_cnt_RUs,"wakeup_txfh")<0) {
LOG_E(PHY,"Frame %d, subframe %d: TX FH not ready\n", ru_proc->frame_tx, ru_proc->subframe_tx);
return(-1);
}
if (release_thread(&proc->mutex_RUs,&proc->instance_cnt_RUs,"wakeup_txfh")<0) return(-1);
if (ru_proc->instance_cnt_eNBs == 0) {
LOG_E(PHY,"Frame %d, subframe %d: TX FH thread busy, dropping Frame %d, subframe %d\n", ru_proc->frame_tx, ru_proc->subframe_tx, proc->frame_rx, proc->subframe_rx);
return(-1);
......@@ -515,7 +521,7 @@ int wakeup_txfh(eNB_rxtx_proc_t *proc,PHY_VARS_eNB *eNB) {
exit_fun( "error locking mutex_eNB" );
return(-1);
}
LOG_I(PHY,"waking up for frame %d subframe %d for RU TX \n", proc->frame_tx, proc->subframe_tx);
ru_proc->instance_cnt_eNBs = 0;
ru_proc->timestamp_tx = proc->timestamp_tx;
ru_proc->subframe_tx = proc->subframe_tx;
......@@ -532,7 +538,7 @@ int wakeup_txfh(eNB_rxtx_proc_t *proc,PHY_VARS_eNB *eNB) {
return(0);
}
int wakeup_tx(PHY_VARS_eNB *eNB,RU_proc_t *ru_proc) {
int wakeup_tx(PHY_VARS_eNB *eNB) {
eNB_proc_t *proc=&eNB->proc;
/* LTE_DL_FRAME_PARMS *fp;
......
targets/RT/USER/lte-ru.c
View file @ 0da8e5cc
......@@ -1508,12 +1508,12 @@ static void* ru_thread_tx( void* param ) {
if (oai_exit) break;
LOG_D(PHY,"ru_thread_tx (ru %d): Waiting for TX processing\n",ru->idx);
LOG_I(PHY,"ru_thread_tx (ru %d): Waiting for TX processing\n",ru->idx);
// wait until eNBs are finished subframe RX n and TX n+4
wait_on_condition(&proc->mutex_eNBs,&proc->cond_eNBs,&proc->instance_cnt_eNBs,"ru_thread_tx");
LOG_I(PHY,"ru_thread_tx (ru %d): Woken from condition\n",ru->idx);
if (oai_exit) break;
printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~ru_thread_tx is waken up %d.%d having L1 %d\n", proc->frame_tx, proc->subframe_tx, ru->num_eNB);
//printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~ru_thread_tx is waken up %d.%d having L1 %d\n", proc->frame_tx, proc->subframe_tx, ru->num_eNB);
// do TX front-end processing if needed (precoding and/or IDFTs)
if (ru->feptx_prec) ru->feptx_prec(ru);
......@@ -1533,10 +1533,28 @@ printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~ru_thread_tx is waken up %d.%d having L1 %d\
eNB = ru->eNB_list[i];
eNB_proc = &eNB->proc;
L1_proc = (get_thread_parallel_conf() == PARALLEL_RU_L1_TRX_SPLIT)? &eNB_proc->L1_proc_tx : &eNB_proc->L1_proc;
char *L1_proc_name = (get_thread_parallel_conf() == PARALLEL_RU_L1_TRX_SPLIT)? "L1_proc_tx" : "L1_proc";
printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~ru_thread_tx signaling to eNB_list[%d] with %s IC_RU %d\n", i, L1_proc_name, L1_proc->instance_cnt_RUs);
pthread_mutex_lock( &L1_proc->mutex_RUs );
char *L1_proc_name = (get_thread_parallel_conf() == PARALLEL_RU_L1_TRX_SPLIT)? "L1_proc_tx" : "L1_proc";
pthread_mutex_lock(&eNB_proc->mutex_RU_tx);
for (int j=0;j<eNB->num_RU;j++) {
if (ru == eNB->RU_list[j]) {
if ((eNB_proc->RU_mask_tx&(1<<j)) > 0)
LOG_E(PHY,"eNB %d frame %d, subframe %d : previous information from RU tx %d (num_RU %d,mask %x) has not been served yet!\n",
eNB->Mod_id,eNB_proc->frame_rx,eNB_proc->subframe_rx,ru->idx,eNB->num_RU,eNB_proc->RU_mask_tx);
eNB_proc->RU_mask_tx |= (1<<j);
}
}
if (eNB_proc->RU_mask_tx != (1<<eNB->num_RU)-1) { // not all RUs have provided their information so return
printf("~~~~~~~~~~~~~~~~~~~~~~(mask = %d)\n", eNB_proc->RU_mask_tx);
pthread_mutex_unlock(&eNB_proc->mutex_RU_tx);
}
else { // all RUs TX are finished so send the ready signal to eNB processing
printf("~~~~~~~~~~~~~~~~~~~~~~ready to send wakeup signal\n");
eNB_proc->RU_mask_tx = 0;
pthread_mutex_unlock(&eNB_proc->mutex_RU_tx);
pthread_mutex_lock( &L1_proc->mutex_RUs);
L1_proc->instance_cnt_RUs = 0;
printf("~~~~~~~~~~~~~~~~~~~~~~ru_thread_tx send signal to L1_thread_tx with (mask = %d)\n", eNB_proc->RU_mask_tx);
// the thread can now be woken up
if (pthread_cond_signal(&L1_proc->cond_RUs) != 0) {
LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB TXnp4 thread\n");
......@@ -1545,6 +1563,7 @@ printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~ru_thread_tx signaling to eNB_list[%d] with
pthread_mutex_unlock( &L1_proc->mutex_RUs );
}
}
}
release_thread(&proc->mutex_FH1,&proc->instance_cnt_FH1,"ru_thread_tx");
return 0;
}
......
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