Merge branch 'episys/david/sctp_update' into 'episys/master-nsa'

Adding NSA mode for calling rlc_module_init  and SCTP_TASK

See merge request aburger/openairinterface5g!72

executables/nr-uesoftmodem.c

@@ -397,7 +397,7 @@ void init_pdcp(int ue_id) {
   if (IS_SOFTMODEM_NOKRNMOD) {
     pdcp_initmask = pdcp_initmask | UE_NAS_USE_TUN_BIT;
   }
-  if (rlc_module_init(0) != 0) {
+  if (get_softmodem_params()->nsa && rlc_module_init(0) != 0) {
     LOG_I(RLC, "Problem at RLC initiation \n");
   }
   pdcp_layer_init();

targets/COMMON/create_tasks.c

@@ -61,9 +61,10 @@ int create_tasks(uint32_t enb_nb) {
   rc = itti_create_task (TASK_RRC_ENB, rrc_enb_task, NULL);
   AssertFatal(rc >= 0, "Create task for RRC eNB failed\n");
 
-  rc = itti_create_task(TASK_SCTP, sctp_eNB_task, NULL);
-  AssertFatal(rc >= 0, "Create task for SCTP failed\n");
-
+  if (get_softmodem_params()->nsa || (EPC_MODE_ENABLED && split73 != SPLIT73_DU)) {
+    rc = itti_create_task(TASK_SCTP, sctp_eNB_task, NULL);
+    AssertFatal(rc >= 0, "Create task for SCTP failed\n");
+  }
 
   if (EPC_MODE_ENABLED && !NODE_IS_DU(type) && ! ( split73==SPLIT73_DU ) ) {
     rc = itti_create_task(TASK_S1AP, s1ap_eNB_task, NULL);