T311 expiry

openair2/RRC/NR_UE/rrc_UE.c

@@ -1470,8 +1470,7 @@ void *rrc_nrue(void *notUsed)
   case NRRRC_FRAME_PROCESS:
     LOG_D(NR_RRC, "Received %s: frame %d\n", ITTI_MSG_NAME(msg_p), NRRRC_FRAME_PROCESS(msg_p).frame);
     // increase the timers every 10ms (every new frame)
-    NR_UE_Timers_Constants_t *timers = &NR_UE_rrc_inst[instance].timers_and_constants;
-    nr_rrc_handle_timers(timers);
+    nr_rrc_handle_timers(rrc, instance);
     NR_UE_RRC_SI_INFO *SInfo = &NR_UE_rrc_inst[instance].perNB[NRRRC_FRAME_PROCESS(msg_p).gnb_id].SInfo;
     nr_rrc_SI_timers(SInfo);
     break;

openair2/RRC/NR_UE/rrc_proto.h

@@ -105,7 +105,7 @@ void nr_mac_rrc_msg3_ind(const module_id_t mod_id, int rnti);
 void *rrc_nrue_task(void *args_p);
 void *rrc_nrue(void *args_p);
 
-void nr_rrc_handle_timers(NR_UE_Timers_Constants_t *timers);
+void nr_rrc_handle_timers(NR_UE_RRC_INST_t *rrc, instance_t instance);
 
 /**\brief RRC NSA UE task.
    \param void *args_p Pointer on arguments to start the task. */

openair2/RRC/NR_UE/rrc_timers_and_constants.c

@@ -98,8 +98,9 @@ void nr_rrc_SI_timers(NR_UE_RRC_SI_INFO *SInfo)
   }
 }
 
-void nr_rrc_handle_timers(NR_UE_Timers_Constants_t *timers)
+void nr_rrc_handle_timers(NR_UE_RRC_INST_t *rrc, instance_t instance)
 {
+  NR_UE_Timers_Constants_t *timers = &rrc->timers_and_constants;
   // T304
   if (timers->T304_active == true) {
     timers->T304_cnt += 10;
@@ -120,6 +121,14 @@ void nr_rrc_handle_timers(NR_UE_Timers_Constants_t *timers)
       AssertFatal(false, "Radio link failure! Not handled yet!\n");
     }
   }
+  if (timers->T311_active == true) {
+    timers->T311_cnt += 10;
+    if(timers->T311_cnt >= timers->T311_k) {
+      // Upon T311 expiry, the UE shall perform the actions upon going to RRC_IDLE
+      // with release cause 'RRC connection failure'
+      nr_rrc_going_to_IDLE(instance, RRC_CONNECTION_FAILURE, NULL);
+    }
+  }
 }
 
 void nr_rrc_set_T304(NR_UE_Timers_Constants_t *tac, NR_ReconfigurationWithSync_t *reconfigurationWithSync)