C-plane for rfsim with Free5GC + CU/DU separation is OK

executables/nr-softmodem.c

@@ -378,6 +378,30 @@ int create_gNB_tasks(uint32_t gnb_nb) {
     }
   }
 
+  if (AMF_MODE_ENABLED && (get_softmodem_params()->phy_test==0 && get_softmodem_params()->do_ra==1)){
+    if (gnb_nb > 0) {
+      if(NGAP_CONF_MODE){
+        if (itti_create_task (TASK_NGAP, ngap_gNB_task, NULL) < 0) {
+          LOG_E(NGAP, "Create task for NGAP failed\n");
+          return -1;
+        }
+      } else {
+          LOG_E(NGAP, "Ngap task not created\n");
+      }
+
+      if(!emulate_rf){
+        if (itti_create_task (TASK_UDP, udp_eNB_task, NULL) < 0) {
+          LOG_E(UDP_, "Create task for UDP failed\n");
+          return -1;
+        }
+      }
+
+      if (itti_create_task (TASK_GTPV1_U, &nr_gtpv1u_gNB_task, NULL) < 0) {
+        LOG_E(GTPU, "Create task for GTPV1U failed\n");
+        return -1;
+      }
+    }
+  }
 
   if (gnb_nb > 0) {
     if (itti_create_task (TASK_GNB_APP, gNB_app_task, NULL) < 0) {

executables/nr-uesoftmodem.c

@@ -87,6 +87,10 @@ unsigned short config_frames[4] = {2,9,11,13};
 #include "executables/softmodem-common.h"
 #include "executables/thread-common.h"
 
+#if defined(ITTI_SIM) || defined(RFSIM_NAS)
+#include "nr_nas_msg_sim.h"
+#endif
+
 extern const char *duplex_mode[];
 
 // Thread variables
@@ -189,6 +193,11 @@ int create_tasks_nrue(uint32_t ue_nb) {
       LOG_E(NR_RRC, "Create task for RRC UE failed\n");
       return -1;
     }
+
+    if (itti_create_task (TASK_NAS_NRUE, nas_nrue_task, NULL) < 0) {
+      LOG_E(NR_RRC, "Create task for NAS UE failed\n");
+      return -1;
+    }
   }
 
   itti_wait_ready(0);