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Commit 0eb2f017 authored by Raymond Knopp's avatar Raymond Knopp
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Support for RAW, not tested yet

parent 03dfe63a
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Showing with 88 additions and 14 deletions
openair1/PHY/defs.h
View file @ 0eb2f017
......@@ -434,6 +434,8 @@ typedef struct RU_proc_t_s {
pthread_mutex_t mutex_ru;
/// symbol mask for IF4p5 reception per subframe
uint32_t symbol_mask[10];
/// time measurements for each subframe
struct timespec t[10];
/// number of slave threads
int num_slaves;
/// array of pointers to slaves
......@@ -715,6 +717,8 @@ typedef struct RU_t_s{
int rx_offset;
/// flag to indicate the RU is a slave to another source
int is_slave;
/// flag to indicate if the RU has a control channel
int has_ctrl_prt;
/// counter to delay start of processing of RU until HW settles
int wait_cnt;
/// Total gain of receive chain
......
targets/RT/USER/lte-ru.c
View file @ 0eb2f017
......@@ -1264,7 +1264,12 @@ void do_ru_synch(RU_t *ru) {
LOG_I(PHY,"Exiting synch routine\n");
}
int check_sync(RU_t *ru, RU_t *ru_master, int subframe){
if (fabs(ru_master->proc.t[subframe].tv_nsec - ru->proc.t[subframe].tv_nsec) > 500000)
return 0;
return 1;
}
void wakeup_eNBs(RU_t *ru) {
......@@ -1286,10 +1291,12 @@ void wakeup_eNBs(RU_t *ru) {
LOG_I(PHY,"Frame %d, Subframe %d: RU %d done (wait_cnt %d),RU_mask[%d] %x\n",
ru->proc.frame_rx,ru->proc.subframe_rx,ru->idx,ru->wait_cnt,ru->proc.subframe_rx,proc->RU_mask[ru->proc.subframe_rx]);
clock_gettime(CLOCK_MONOTONIC,&ru->proc.t[ru->proc.subframe_rx]);
if (proc->RU_mask[ru->proc.subframe_rx] == 0){
clock_gettime(CLOCK_MONOTONIC,&proc->t[ru->proc.subframe_rx]);
//clock_gettime(CLOCK_MONOTONIC,&proc->t[ru->proc.subframe_rx]);
proc->t[ru->proc.subframe_rx] = ru->proc.t[ru->proc.subframe_rx];
//start_meas(&proc->ru_arrival_time);
LOG_D(PHY,"RU %d starting timer for frame %d subframe %d\n",ru->idx, ru->proc.frame_rx,ru->proc.subframe_rx);
}
for (i=0;i<eNB->num_RU;i++) {
......@@ -1297,12 +1304,22 @@ void wakeup_eNBs(RU_t *ru) {
if (ru == eNB->RU_list[i]) {
// AssertFatal((proc->RU_mask&(1<<i)) == 0, "eNB %d frame %d, subframe %d : previous information from RU %d (num_RU %d,mask %x) has not been served yet!\n",eNB->Mod_id,ru->proc.frame_rx,ru->proc.subframe_rx,ru->idx,eNB->num_RU,proc->RU_mask);
proc->RU_mask[ru->proc.subframe_rx] |= (1<<i);
}else if (eNB->RU_list[i]->state == RU_SYNC || eNB->RU_list[i]->wait_cnt > 0){
}else if (eNB->RU_list[i]->state == RU_SYNC){
proc->RU_mask[ru->proc.subframe_rx] |= (1<<i);
}
if (ru->is_slave == 0 && ( (proc->RU_mask[ru->proc.subframe_rx]&(1<<i)) == 1) && eNB->RU_list[i]->state == RU_RUN) { // This is master & the RRU has already been received
if (check_sync(eNB->RU_list[i],eNB->RU_list[0],ru->proc.subframe_rx) == 0)
LOG_E(PHY,"RU %d is not SYNC, subframe %d, time %f this is master\n", eNB->RU_list[i]->idx, ru->proc.subframe_rx, fabs(eNB->RU_list[i]->proc.t[ru->proc.subframe_rx].tv_nsec - eNB->RU_list[0]->proc.t[ru->proc.subframe_rx].tv_nsec));
}else if (ru->is_slave == 1 && ru->state == RU_RUN && ( (proc->RU_mask[ru->proc.subframe_rx]&(1<<0)) == 1)){ // master already received. TODO: we assume that RU0 is master.
if (check_sync(ru,eNB->RU_list[0],ru->proc.subframe_rx) == 0)
LOG_E(PHY,"RU %d is not SYNC time, subframe %d, time %f\n", ru->idx, ru->proc.subframe_rx, fabs(ru->proc.t[ru->proc.subframe_rx].tv_nsec - eNB->RU_list[0]->proc.t[ru->proc.subframe_rx].tv_nsec));
}
clock_gettime(CLOCK_MONOTONIC,&t);
LOG_I(PHY,"RU mask is now %x, time is %lu\n",proc->RU_mask[ru->proc.subframe_rx], t.tv_nsec - proc->t[ru->proc.subframe_rx].tv_nsec);
}
//clock_gettime(CLOCK_MONOTONIC,&t);
//LOG_I(PHY,"RU mask is now %x, time is %lu\n",proc->RU_mask[ru->proc.subframe_rx], t.tv_nsec - proc->t[ru->proc.subframe_rx].tv_nsec);
if (proc->RU_mask[ru->proc.subframe_rx] == (1<<eNB->num_RU)-1) {
LOG_D(PHY,"Reseting mask frame %d, subframe %d, this is RU %d\n",ru->proc.frame_rx, ru->proc.subframe_rx, ru->idx);
......@@ -1316,6 +1333,7 @@ void wakeup_eNBs(RU_t *ru) {
pthread_mutex_unlock(&proc->mutex_RU);
LOG_D(PHY,"wakeup eNB top for for subframe %d\n", ru->proc.subframe_rx);
if (ru->wait_cnt == 0)
ru->eNB_top(eNB_list[0],ru->proc.frame_rx,ru->proc.subframe_rx,string);
}
else { // multiple eNB case for later
......@@ -1593,7 +1611,7 @@ static void* ru_thread_control( void* param ) {
&rru_config_msg,
msg_len))<0) {
LOG_D(PHY,"Waiting msg for RU %d\n", ru->idx);
}
else
{
switch(rru_config_msg.type)
......@@ -1823,7 +1841,9 @@ static void* ru_thread( void* param ) {
int subframe =9;
int frame =1023;
int resynch_done = 0;
PHY_VARS_eNB **eNB_list = ru->eNB_list;
PHY_VARS_eNB *eNB=eNB_list[0];
eNB_proc_t *eNBproc = &eNB->proc;
// set default return value
......@@ -1831,6 +1851,36 @@ static void* ru_thread( void* param ) {
LOG_I(PHY,"Starting RU %d (%s,%s),\n",ru->idx,eNB_functions[ru->function],eNB_timing[ru->if_timing]);
if (ru->has_ctrl_prt == 0){
// There is no control port: start everything here
if (ru->if_south == LOCAL_RF){
fill_rf_config(ru,ru->rf_config_file);
init_frame_parms(&ru->frame_parms,1);
ru->frame_parms.nb_antennas_rx = ru->nb_rx;
phy_init_RU(ru);
ret = openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
}
if (setup_RU_buffers(ru)!=0) {
printf("Exiting, cannot initialize RU Buffers\n");
exit(-1);
}
pthread_mutex_lock(&RC.ru_mutex);
RC.ru_mask &= ~(1<<ru->idx);
pthread_cond_signal(&RC.ru_cond);
pthread_mutex_unlock(&RC.ru_mutex);
}
pthread_mutex_lock(&RC.ru_mutex);
RC.ru_mask &= ~(1<<ru->idx);
pthread_cond_signal(&RC.ru_cond);
pthread_mutex_unlock(&RC.ru_mutex);
ru->state = RU_RUN;
}
while (!oai_exit) {
......@@ -1838,9 +1888,9 @@ static void* ru_thread( void* param ) {
else ru->wait_cnt = 0;
// wait to be woken up
if (ru->function!=eNodeB_3GPP) {
if (ru->function!=eNodeB_3GPP && ru->has_ctrl_prt == 1) {
if (wait_on_condition(&ru->proc.mutex_ru,&ru->proc.cond_ru_thread,&ru->proc.instance_cnt_ru,"ru_thread")<0) break;
}
else wait_sync("ru_thread");
if (ru->is_slave == 0) AssertFatal(ru->state == RU_RUN,"ru-%d state = %s != RU_RUN\n",ru->idx,ru_states[ru->state]);
......@@ -1903,9 +1953,12 @@ static void* ru_thread( void* param ) {
if (ru->fh_south_in && ru->state == RU_RUN ) ru->fh_south_in(ru,&frame,&subframe);
else AssertFatal(1==0, "No fronthaul interface at south port");
if (ru->wait_cnt > 0) {
ru->wait_cnt--;
LOG_I(PHY,"RU thread %d, frame %d, subframe %d, wait_cnt %d \n",ru->idx, frame, subframe, ru->wait_cnt);
if (ru->if_south!=LOCAL_RF && ru->wait_cnt <=20 && subframe == 5 && frame != RC.ru[0]->proc.frame_rx && resynch_done == 0) {
......@@ -1919,8 +1972,10 @@ static void* ru_thread( void* param ) {
AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),"Failed to send msg to RAU\n");
resynch_done=1;
}
wakeup_eNBs(ru);
}
if (ru->wait_cnt == 0) {
else {
LOG_D(PHY,"RU thread %d, frame %d, subframe %d \n",
ru->idx,frame,subframe);
......@@ -2809,6 +2864,8 @@ void RCconfig_RU(void) {
RC.ru[j]->num_eNB = 0;
for (i=0;i<RC.ru[j]->num_eNB;i++) RC.ru[j]->eNB_list[i] = RC.eNB[RUParamList.paramarray[j][RU_ENB_LIST_IDX].iptr[i]][0];
RC.ru[j]->has_ctrl_prt = 1;
if (strcmp(*(RUParamList.paramarray[j][RU_LOCAL_RF_IDX].strptr), "yes") == 0) {
if ( !(config_isparamset(RUParamList.paramarray[j],RU_LOCAL_IF_NAME_IDX)) ) {
......@@ -2821,30 +2878,43 @@ void RCconfig_RU(void) {
RC.ru[j]->eth_params.local_if_name = strdup(*(RUParamList.paramarray[j][RU_LOCAL_IF_NAME_IDX].strptr));
RC.ru[j]->eth_params.my_addr = strdup(*(RUParamList.paramarray[j][RU_LOCAL_ADDRESS_IDX].strptr));
RC.ru[j]->eth_params.remote_addr = strdup(*(RUParamList.paramarray[j][RU_REMOTE_ADDRESS_IDX].strptr));
RC.ru[j]->eth_params.my_portc = *(RUParamList.paramarray[j][RU_LOCAL_PORTC_IDX].uptr);
RC.ru[j]->eth_params.remote_portc = *(RUParamList.paramarray[j][RU_REMOTE_PORTC_IDX].uptr);
RC.ru[j]->eth_params.my_portd = *(RUParamList.paramarray[j][RU_LOCAL_PORTD_IDX].uptr);
RC.ru[j]->eth_params.remote_portd = *(RUParamList.paramarray[j][RU_REMOTE_PORTD_IDX].uptr);
// Check if control port set
if (!(config_isparamset(RUParamList.paramarray[j],RU_REMOTE_PORTC_IDX)) ){
RC.ru[j]->eth_params.my_portc = *(RUParamList.paramarray[j][RU_LOCAL_PORTC_IDX].uptr);
RC.ru[j]->eth_params.remote_portc = *(RUParamList.paramarray[j][RU_REMOTE_PORTC_IDX].uptr);
RC.ru[j]->has_ctrl_prt = 0;
}
if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "udp") == 0) {
RC.ru[j]->if_south = LOCAL_RF;
RC.ru[j]->function = NGFI_RRU_IF5;
RC.ru[j]->eth_params.transp_preference = ETH_UDP_MODE;
printf("Setting function for RU %d to NGFI_RRU_IF5 (udp)\n",j);
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "raw") == 0) {
RC.ru[j]->if_south = LOCAL_RF;
RC.ru[j]->function = NGFI_RRU_IF5;
RC.ru[j]->eth_params.transp_preference = ETH_RAW_MODE;
printf("Setting function for RU %d to NGFI_RRU_IF5 (raw)\n",j);
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "udp_if4p5") == 0) {
RC.ru[j]->if_south = LOCAL_RF;
RC.ru[j]->function = NGFI_RRU_IF4p5;
RC.ru[j]->eth_params.transp_preference = ETH_UDP_IF4p5_MODE;
printf("Setting function for RU %d to NGFI_RRU_IF4p5 (udp)\n",j);
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "raw_if4p5") == 0) {
RC.ru[j]->if_south = LOCAL_RF;
RC.ru[j]->function = NGFI_RRU_IF4p5;
RC.ru[j]->eth_params.transp_preference = ETH_RAW_IF4p5_MODE;
printf("Setting function for RU %d to NGFI_RRU_IF4p5 (raw)\n",j);
}
printf("RU %d is_slave=%s\n",j,*(RUParamList.paramarray[j][RU_IS_SLAVE_IDX].strptr));
......
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