nr-ip-over-LTE: Add checks for noS1 use case (nr-UE side)

executables/nr-softmodem.c

@@ -989,6 +989,7 @@ int main( int argc, char **argv )
     flexran_agent_start(i);
   }
 
+  if(IS_SOFTMODEM_NOS1)
 	  init_pdcp();
 
   // init UE_PF_PO and mutex lock

executables/nr-ue.c

@@ -45,6 +45,7 @@
 #include "common/utils/LOG/log.h"
 #include "common/utils/system.h"
 #include "common/utils/LOG/vcd_signal_dumper.h"
+#include "executables/nr-softmodem.h"
 
 #include "T.h"
 
@@ -383,12 +384,14 @@ void processSlotRX( PHY_VARS_NR_UE *UE, UE_nr_rxtx_proc_t *proc) {
 #endif
   }
 
+  if(IS_SOFTMODEM_NOS1){
 	  //Hardcoded rnti value
 	  protocol_ctxt_t ctxt;
 	  PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, UE->Mod_id, ENB_FLAG_NO,
                                    0x1234, proc->frame_rx,
                                    proc->nr_tti_rx, 0);
 	  pdcp_run(&ctxt);
+  }
   // no UL for now
   /*
   if (UE->mac_enabled==1) {

executables/nr-uesoftmodem.c

@@ -681,10 +681,11 @@ void init_pdcp(void) {
   if (IS_SOFTMODEM_NOKRNMOD)
     pdcp_initmask = pdcp_initmask | UE_NAS_USE_TUN_BIT;
 
-  if (rlc_module_init() != 0) {
+  /*if (rlc_module_init() != 0) {
 	  LOG_I(RLC, "Problem at RLC initiation \n");
   }
   pdcp_layer_init();
+  nr_ip_over_LTE_DRB_preconfiguration();*/
   pdcp_module_init(pdcp_initmask);
   pdcp_set_rlc_data_req_func((send_rlc_data_req_func_t) rlc_data_req);
   pdcp_set_pdcp_data_ind_func((pdcp_data_ind_func_t) pdcp_data_ind);
@@ -727,7 +728,7 @@ int main( int argc, char **argv ) {
     if (init_opt() == -1)
       LOG_E(OPT,"failed to run OPT \n");
   }
-  //Add --nr-ip-over-lte option check here
+  if(IS_SOFTMODEM_NOS1)
 	  init_pdcp();
 
   /*

openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c

@@ -663,6 +663,10 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
                 printf("%d : %d \n", i, harq_process->b[i]);
                 }*/
 #endif
+              /*LOG_I (PHY, "Printing 100 first payload bytes:");
+              for (int i = 0; i <100 ; i++){ //Kr_bytes
+            	  LOG_I(PHY, "[%d] : %x ", i, harq_process->b[i]);
+              }*/
 
   }
 

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -3810,6 +3810,7 @@ void nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue,
       rx_ind.rx_indication_body[0].pdu_type = FAPI_NR_RX_PDU_TYPE_DLSCH;
       rx_ind.rx_indication_body[0].pdsch_pdu.pdu = dlsch0->harq_processes[harq_pid]->b;
       rx_ind.rx_indication_body[0].pdsch_pdu.pdu_length = dlsch0->harq_processes[harq_pid]->TBS>>3;
+      LOG_D(PHY, "PDU length in bits: %d, in bytes: %d \n", dlsch0->harq_processes[harq_pid]->TBS, rx_ind.rx_indication_body[0].pdsch_pdu.pdu_length);
       rx_ind.number_pdus = 1;
 
       //ue->dl_indication.rx_ind = &dlsch1->harq_processes[harq_pid]->b; //no data, only dci for now

openair2/LAYER2/NR_MAC_UE/mac_proto.h

@@ -134,5 +134,7 @@ void nr_ue_process_mac_pdu(
 
 int8_t nr_ue_process_dlsch(module_id_t module_id, int cc_id, uint8_t gNB_index, fapi_nr_dci_indication_t *dci_ind, void *pduP, uint32_t pdu_len);
 
+void nr_ue_send_sdu(module_id_t module_idP, uint8_t CC_id, frame_t frameP, sub_frame_t subframeP, uint8_t * sdu, uint16_t sdu_len, uint8_t eNB_index);
+
 #endif
 /** @}*/

openair2/LAYER2/NR_MAC_UE/main_ue_nr.c

@@ -32,6 +32,7 @@
 
 //#include "defs.h"
 #include "mac_proto.h"
+#include "executables/nr-softmodem.h"
 
 static NR_UE_MAC_INST_t *nr_ue_mac_inst; 
 
@@ -45,6 +46,14 @@ nr_l2_init_ue(void)
     //init mac here
     nr_ue_mac_inst = (NR_UE_MAC_INST_t *)malloc(sizeof(NR_UE_MAC_INST_t)*NB_NR_UE_MAC_INST);
     
+    if (IS_SOFTMODEM_NOS1){
+    	if (rlc_module_init() != 0) {
+    		LOG_I(RLC, "Problem at RLC initiation \n");
+    	}
+    	pdcp_layer_init();
+    	nr_ip_over_LTE_DRB_preconfiguration();
+    }
+
 
     return (1);
 }

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c

@@ -332,7 +332,6 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
                                     frameP,
                                     slotP,
                                     *cfg)){
-          LOG_I(MAC, "About to call nr_schedule_uss_dlsch_phytest() because there is a dci opportunity... \n \n \n");
           nr_schedule_uss_dlsch_phytest(module_idP, frameP, slotP);
           }
 

openair2/LAYER2/PDCP_v10.1.0/pdcp.c

@@ -2183,6 +2183,7 @@ uint64_t pdcp_module_init( uint64_t pdcp_optmask ) {
       int num_if = (NFAPI_MODE == NFAPI_UE_STUB_PNF || IS_SOFTMODEM_SIML1 )?MAX_NUMBER_NETIF:1;
       netlink_init_tun("ue",num_if);
       //Add --nr-ip-over-lte option check for next line
+      if (IS_SOFTMODEM_NOS1)
     	  nas_config(1, 1, 2, "ue");
       LOG_I(PDCP, "UE pdcp will use tun interface\n");
     } else if(ENB_NAS_USE_TUN) {

openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c

@@ -35,6 +35,7 @@
 #include "assertions.h"
 #include "LAYER2/NR_MAC_UE/mac_extern.h"
 #include "SCHED_NR_UE/fapi_nr_ue_l1.h"
+#include "executables/nr-softmodem.h"
 
 #include <stdio.h>
 
@@ -73,6 +74,7 @@ int handle_dci(module_id_t module_id, int cc_id, unsigned int gNB_index, fapi_nr
 int8_t handle_dlsch (module_id_t module_id, int cc_id, uint8_t gNB_index, fapi_nr_dci_indication_t *dci_ind, uint8_t *pduP, uint32_t pdu_len, frame_t frame, int slot){
 
 	LOG_I(MAC, "handle_dlsch at MAC layer \n");
+	if (IS_SOFTMODEM_NOS1)
 		nr_ue_send_sdu(module_id, 0, frame, slot,
 										pduP,
 										pdu_len,