Read RU config before FlexRAN to allow split identification

openair2/ENB_APP/enb_config.c

@@ -3104,4 +3104,6 @@ void read_config_and_init(void) {
     memset((void *)RC.rrc[enb_id], 0, sizeof(eNB_RRC_INST));
     RCconfig_RRC(enb_id, RC.rrc[enb_id],macrlc_has_f1[enb_id]);
   }
+
+  RCconfig_flexran();
 }

targets/RT/USER/lte-ru.c

@@ -2683,13 +2683,9 @@ void init_RU(char *rf_config_file, clock_source_t clock_source, clock_source_t t
   PHY_VARS_eNB *eNB0     = (PHY_VARS_eNB *)NULL;
   LTE_DL_FRAME_PARMS *fp = (LTE_DL_FRAME_PARMS *)NULL;
   // create status mask
-  RC.ru_mask = 0;
+  RC.ru_mask= (1 << RC.nb_RU) - 1;
   pthread_mutex_init(&RC.ru_mutex,NULL);
   pthread_cond_init(&RC.ru_cond,NULL);
-  // read in configuration file)
-  printf("configuring RU from file\n");
-  RCconfig_RU();
-  LOG_I(PHY,"number of L1 instances %d, number of RU %d, number of CPU cores %d\n",RC.nb_L1_inst,RC.nb_RU,get_nprocs());
 
   if (RC.nb_CC != 0)
     for (i=0; i<RC.nb_L1_inst; i++)
@@ -2919,8 +2915,6 @@ void RCconfig_RU(void) {
 
   if ( RUParamList.numelt > 0) {
     RC.ru = (RU_t **)malloc(RC.nb_RU*sizeof(RU_t *));
-    RC.ru_mask=(1<<RC.nb_RU) - 1;
-    printf("Set RU mask to %lx\n",RC.ru_mask);
 
     for (int j = 0; j < RC.nb_RU; j++) {
       RC.ru[j]                                    = (RU_t *)malloc(sizeof(RU_t));

targets/RT/USER/lte-softmodem.c

@@ -585,9 +585,22 @@ int main ( int argc, char **argv )
   /* Read configuration */
   if (RC.nb_inst > 0) {
     read_config_and_init();
-    /* Start the agent. If it is turned off in the configuration, it won't start */
+  } else {
-    RCconfig_flexran();
+    printf("RC.nb_inst = 0, Initializing L1\n");
+    RCconfig_L1();
+  }
 
+  /* We need to read RU configuration before FlexRAN starts so it knows what
+   * splits to report. Actual RU start comes later. */
+  if (RC.nb_RU > 0 && NFAPI_MODE != NFAPI_MODE_VNF) {
+    RCconfig_RU();
+    LOG_I(PHY,
+          "number of L1 instances %d, number of RU %d, number of CPU cores %d\n",
+          RC.nb_L1_inst, RC.nb_RU, get_nprocs());
+  }
+
+  if (RC.nb_inst > 0) {
+    /* Start the agent. If it is turned off in the configuration, it won't start */
     for (i = 0; i < RC.nb_inst; i++) {
       flexran_agent_start(i);
     }
@@ -607,9 +620,6 @@ int main ( int argc, char **argv )
       itti_send_msg_to_task (TASK_RRC_ENB, ENB_MODULE_ID_TO_INSTANCE(enb_id), msg_p);
     }
     node_type = RC.rrc[0]->node_type;
-  } else {
-    printf("RC.nb_inst = 0, Initializing L1\n");
-    RCconfig_L1();
   }
 
   if (RC.nb_inst > 0 && NODE_IS_CU(node_type)) {