modifications for IF5, testing with 3rd party RRU

targets/RT/USER/lte-enb.c

@@ -1194,6 +1194,7 @@ void init_eNB_afterRU(void) {
 
       for (ru_id=0,aa=0; ru_id<eNB->num_RU; ru_id++) {
         eNB->frame_parms.nb_antennas_rx    += eNB->RU_list[ru_id]->nb_rx;
+
         AssertFatal(eNB->RU_list[ru_id]->common.rxdataF!=NULL,
                     "RU %d : common.rxdataF is NULL\n",
                     eNB->RU_list[ru_id]->idx);

targets/RT/USER/lte-ru.c

@@ -1596,15 +1596,14 @@ void *ru_thread( void *param ) {
   else if (ru->has_ctrl_prt == 0){
     // There is no control port: start everything here
     LOG_I(PHY, "RU %d has not ctrl port\n",ru->idx);
-    if (ru->if_south == LOCAL_RF){
+    if (ru->if_south == LOCAL_RF)       openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
+
     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);
       
       
-      openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
-      
     if (setup_RU_buffers(ru)!=0) {
         printf("Exiting, cannot initialize RU Buffers\n");
 	exit(-1);
@@ -1613,7 +1612,6 @@ void *ru_thread( void *param ) {
     RC.ru_mask &= ~(1<<ru->idx);
     pthread_cond_signal(&RC.ru_cond);
     AssertFatal((ret=pthread_mutex_unlock(&RC.ru_mutex))==0,"mutex_unlock returns %d\n",ret);
-    }
     AssertFatal((ret=pthread_mutex_lock(&RC.ru_mutex))==0,"mutex_lock returns %d\n",ret);
     RC.ru_mask &= ~(1<<ru->idx);
     pthread_cond_signal(&RC.ru_cond);
@@ -2202,7 +2200,16 @@ void init_RU_proc(RU_t *ru) {
   attr_prach_br  = &proc->attr_prach_br;
 #endif
 #endif
-  if (ru->function!=eNodeB_3GPP) pthread_create( &proc->pthread_ctrl, attr_ctrl, ru_thread_control, (void*)ru );
+  if (ru->has_ctrl_prt == 1) pthread_create( &proc->pthread_ctrl, attr_ctrl, ru_thread_control, (void*)ru );
+  else {
+    if (ru->start_if) {
+      LOG_I(PHY,"Starting IF interface for RU %d\n",ru->idx);
+      AssertFatal(
+                  ru->start_if(ru,NULL)   == 0, "Could not start the IF device\n");
+
+      if (ru->if_south != LOCAL_RF) wait_eNBs();
+    }
+  }
  
 
   pthread_create( &proc->pthread_FH, attr_FH, ru_thread, (void*)ru );
@@ -2954,6 +2961,8 @@ void RCconfig_RU(void) {
 	  RC.ru[j]->if_south                     = REMOTE_IF5;
 	  RC.ru[j]->function                     = NGFI_RAU_IF5;
 	  RC.ru[j]->eth_params.transp_preference = ETH_UDP_IF5_ORI_MODE;
+          RC.ru[j]->has_ctrl_prt                        = 0;
+
 	}
 	else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "raw") == 0) {
 	  RC.ru[j]->if_south                     = REMOTE_IF5;

targets/RT/USER/ru_control.c

@@ -513,7 +513,7 @@ void* ru_thread_control( void* param ) {
   }
 
   
-  ru->state = (ru->function==eNodeB_3GPP)? RU_RUN : RU_IDLE;
+  ru->state = (ru->function==eNodeB_3GPP || ru->if_south == REMOTE_IF5)? RU_RUN : RU_IDLE;
   LOG_I(PHY,"Control channel ON for RU %d\n", ru->idx);
 
   while (!oai_exit) // Change the cond