Updating pdcp init functions to maintain SA behavior

openair2/LAYER2/PDCP_v10.1.0/pdcp.c

@@ -1288,7 +1288,7 @@ pdcp_run (
 
   // IP/NAS -> PDCP traffic : TX, read the pkt from the upper layer buffer
   //  if (LINK_ENB_PDCP_TO_GTPV1U && ctxt_pP->enb_flag == ENB_FLAG_NO) {
-  if (!get_softmodem_params()->nsa) {
+  if (!get_softmodem_params()->nsa && (!EPC_MODE_ENABLED || ctxt_pP->enb_flag == ENB_FLAG_NO)) {
     pdcp_fifo_read_input_sdus(ctxt_pP);
   }
 

openair2/LAYER2/nr_pdcp/nr_pdcp_oai_api.c

@@ -416,13 +416,21 @@ uint64_t nr_pdcp_module_init(uint64_t _pdcp_optmask, int id)
       int num_if = (NFAPI_MODE == NFAPI_UE_STUB_PNF || IS_SOFTMODEM_SIML1 || NFAPI_MODE == NFAPI_MODE_STANDALONE_PNF)? MAX_MOBILES_PER_ENB : 1;
       netlink_init_tun("nrue", num_if, id);
       //Add --nr-ip-over-lte option check for next line
-      if (IS_SOFTMODEM_NOS1)
+      if (IS_SOFTMODEM_NOS1 && get_softmodem_params()->nsa)
           nas_config(1, 1, 3, "nrue");
+      else if (IS_SOFTMODEM_NOS1)
+          nas_config(1, 1, 2, "ue");
       LOG_I(PDCP, "UE pdcp will use tun interface\n");
       start_pdcp_tun_ue();
     } else if(ENB_NAS_USE_TUN) {
+      if (get_softmodem_params()->nsa) {
         netlink_init_tun("gnb", 1, id);
         nas_config(1, 1, 1, "gnb");
+      }
+      else {
+        netlink_init_tun("enb", 1, id);
+        nas_config(1, 1, 1, "enb");
+      }
       LOG_I(PDCP, "ENB pdcp will use tun interface\n");
       start_pdcp_tun_enb();
     } else {

targets/RT/USER/lte-softmodem.c

@@ -751,6 +751,8 @@ int main ( int argc, char **argv )
     create_tasks_mbms(1);
     config_check_unknown_cmdlineopt(CONFIG_CHECKALLSECTIONS);
   }
+  else
+    create_tasks_mbms(1);
   //create_tasks_mbms(1);
 
   // wait for end of program