Introduce nfapi_mode variable to differentiate functionality between...

Introduce nfapi_mode variable to differentiate functionality between phy_stub_ue mode (nfapi_mode=3) and normal full stack mode (nfapi_mode!=3).

openair2/LAYER2/MAC/config.c

@@ -677,6 +677,7 @@ int rrc_mac_config_req_eNB(module_id_t                      Mod_idP,
   return(0);			     
 }
 
+/*
 // P: New function supporting the MAC interface
 void config_sib1_ue()
 {
@@ -714,7 +715,7 @@ void config_dedicated_ue()
 {
 
 }
-
+*/
 
 int
 rrc_mac_config_req_ue(

openair2/LAYER2/MAC/ra_procedures.c

@@ -48,6 +48,8 @@
 
 #include "SIMULATION/TOOLS/defs.h" // for taus
 
+extern uint8_t  nfapi_mode;
+
 int8_t get_DELTA_PREAMBLE(module_id_t module_idP,int CC_id)
 {
 
@@ -287,10 +289,15 @@ PRACH_RESOURCES_t *ue_get_rach(module_id_t module_idP,int CC_id,frame_t frameP,
 
 
   uint8_t                  Size               = 0;
-
+  UE_MODE_t UE_mode;
   // Panos: Modification for phy_stub_ue operation
-  //UE_MODE_t                UE_mode            = get_ue_mode(module_idP,0,eNB_indexP);
-  UE_MODE_t                UE_mode            = UE_mac_inst[module_idP].UE_mode[0];
+  if(nfapi_mode == 3) { // Panos: phy_stub_ue mode
+	  UE_mode = UE_mac_inst[module_idP].UE_mode[0];
+  }
+  else { // Full stack mode
+	  UE_mode = get_ue_mode(module_idP,0,eNB_indexP);
+  }
+
 
   uint8_t                  lcid               = CCCH;
   uint16_t                 Size16;

openair2/LAYER2/MAC/ue_procedures.c

@@ -74,6 +74,8 @@ extern uint8_t usim_test;
 
 extern UL_IND_t *UL_INFO;
 
+extern uint8_t  nfapi_mode;
+
 /*
 #ifndef USER_MODE
 #define msg debug_msg
@@ -396,11 +398,15 @@ ue_send_sdu(
         for (i=0; i<6; i++)
           if (tx_sdu[i] != payload_ptr[i]) {
         	  LOG_E(MAC,"[UE %d][RAPROC] Contention detected, RA failed\n",module_idP);
+        	  if(nfapi_mode == 3) { // Panos: phy_stub mode
         		  // Panos: Modification for phy_stub mode operation here. We only need to make sure that the ue_mode is back to
         		  // PRACH state.
         		  UE_mac_inst[module_idP].UE_mode[eNB_index] = PRACH;
-            //ra_failed(module_idP,CC_id,eNB_index);
-            UE_mac_inst[module_idP].RA_contention_resolution_timer_active = 0;
+        		  //ra_failed(module_idP,CC_id,eNB_index);UE_mac_inst[module_idP].RA_contention_resolution_timer_active = 0;
+        	  }
+        	  else { // Full stack mode
+        		  ra_failed(module_idP,CC_id,eNB_index);
+        	  }
             VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SEND_SDU, VCD_FUNCTION_OUT);
             return;
           }
@@ -408,9 +414,14 @@ ue_send_sdu(
         LOG_I(MAC,"[UE %d][RAPROC] Frame %d : Clearing contention resolution timer\n", module_idP, frameP);
         UE_mac_inst[module_idP].RA_contention_resolution_timer_active = 0;
 
+        if(nfapi_mode == 3) // phy_stub mode
+        {
         	//Panos: Modification for phy_stub mode operation here. We only need to change the ue_mode to PUSCH
         	UE_mac_inst[module_idP].UE_mode[eNB_index] = PUSCH;
-        //ra_succeeded(module_idP,CC_id,eNB_index);
+        }
+        else { // Full stack mode
+        	ra_succeeded(module_idP,CC_id,eNB_index);
+        }
       }
 
       payload_ptr+=6;
@@ -421,7 +432,10 @@ ue_send_sdu(
       LOG_D(MAC,"[UE] CE %d : UE Timing Advance : %d\n",i,payload_ptr[0]);
 #endif
       // Panos: Eliminate call to process_timing_advance for the phy_stub UE operation mode. Is this correct?
-      //process_timing_advance(module_idP,CC_id,payload_ptr[0]);
+      if (nfapi_mode!=3)
+      {
+    	  process_timing_advance(module_idP,CC_id,payload_ptr[0]);
+      }
       payload_ptr++;
       break;
 
@@ -1596,9 +1610,14 @@ for (lcid=DCCH; (lcid < MAX_NUM_LCID) && (is_all_lcid_processed == FALSE) ; lcid
 
   // build PHR and update the timers
   if (phr_ce_len == sizeof(POWER_HEADROOM_CMD)) {
+	  if (nfapi_mode == 3){ //phy_stub mode
 		  //Panos: Substitute with a static value for the MAC layer abstraction (phy_stub mode)
-    //phr_p->PH = get_phr_mapping(module_idP,CC_id,eNB_index);
 		  phr_p->PH = 40;
+	  }
+	  else { // Full stack mode
+		  phr_p->PH = get_phr_mapping(module_idP,CC_id,eNB_index);
+	  }
+
     phr_p->R  = 0;
     LOG_D(MAC,"[UE %d] Frame %d report PHR with mapping (%d->%d) for LCID %d\n",
           module_idP,frameP, get_PHR(module_idP,CC_id,eNB_index), phr_p->PH,POWER_HEADROOM);

openair2/PHY_INTERFACE/phy_stub_UE.c

@@ -717,6 +717,7 @@ int ul_config_req_UE_MAC(nfapi_ul_config_request_t* req)
 
 
       handle_nfapi_ul_pdu_UE_MAC(Mod_id,&ul_config_pdu_list[i],sfn,sf,req->ul_config_request_body.srs_present);
+      free(UL_INFO);
     }
     else
     {

targets/RT/USER/lte-softmodem.c

@@ -116,6 +116,7 @@ static pthread_t                forms_thread; //xforms
 pthread_cond_t sync_cond;
 pthread_mutex_t sync_mutex;
 int sync_var=-1; //!< protected by mutex \ref sync_mutex.
+uint8_t nfapi_mode = 0;
 
 uint16_t runtime_phy_rx[29][6]; // SISO [MCS 0-28][RBs 0-5 : 6, 15, 25, 50, 75, 100]
 uint16_t runtime_phy_tx[29][6]; // SISO [MCS 0-28][RBs 0-5 : 6, 15, 25, 50, 75, 100]

targets/RT/USER/lte-ue.c

@@ -60,6 +60,7 @@
 #include "T.h"
 
 extern double cpuf;
+extern uint8_t  nfapi_mode;
 
 #define FRAME_PERIOD    100000000ULL
 #define DAQ_PERIOD      66667ULL
@@ -642,14 +643,17 @@ static void *UE_thread_rxn_txnp4(void *arg) {
             // UE Rx procedures directly at the MAC layer, based on the received nfapi requests from the vnf (eNB).
             // Hardcode Mod_id for now. Will be changed later.
 
+            if(nfapi_mode == 3){
             	if(UE_mac_inst[Mod_id].tx_req)
             		tx_req_UE_MAC(UE_mac_inst[Mod_id].tx_req);
             	if(UE_mac_inst[Mod_id].dl_config_req)
             		dl_config_req_UE_MAC(UE_mac_inst[Mod_id].dl_config_req);
             	if(UE_mac_inst[Mod_id].hi_dci0_req)
             		hi_dci0_req_UE_MAC(UE_mac_inst[Mod_id].hi_dci0_req);
-
-            //phy_procedures_UE_RX( UE, proc, 0, 0, 1, UE->mode, no_relay, NULL );
+            }
+            else{
+            phy_procedures_UE_RX( UE, proc, 0, 0, 1, UE->mode, no_relay, NULL );
+            }
 #endif
         }
 
@@ -698,11 +702,13 @@ static void *UE_thread_rxn_txnp4(void *arg) {
             	// Panos: Substitute call to phy_procedures Tx with call to phy_stub functions in order to trigger
                 // UE Tx procedures directly at the MAC layer, based on the received ul_config requests from the vnf (eNB).
             	// Generate UL_indications which corresponf to UL traffic.
-            	if(UE_mac_inst[Mod_id].ul_config_req){
+            	if(nfapi_mode == 3 && UE_mac_inst[Mod_id].ul_config_req){
             		ul_config_req_UE_MAC(UE_mac_inst[Mod_id].ul_config_req);
             		UL_indication(UL_INFO);
             	}
-            	//phy_procedures_UE_TX(UE,proc,0,0,UE->mode,no_relay);
+            	else{
+            	phy_procedures_UE_TX(UE,proc,0,0,UE->mode,no_relay);
+            	}
             }