merge ues_test branch into sp3_tdd_config1

common/utils/itti/intertask_interface.c

@@ -650,6 +650,15 @@ void itti_mark_task_ready(task_id_t task_id)
   /* Mark the thread as using LFDS queue */
   lfds611_queue_use(itti_desc.tasks[task_id].message_queue);
 
+#if defined(UE_EXPANSION) || defined(RTAI)
+  /* Assign low priority to created threads */
+  {
+    struct sched_param sched_param;
+    sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO) + 1;
+    sched_setscheduler(0, SCHED_FIFO, &sched_param);
+  }
+#endif
+
   itti_desc.threads[thread_id].task_state = TASK_STATE_READY;
   itti_desc.ready_tasks ++;
 

openair2/LAYER2/MAC/eNB_scheduler.c

@@ -541,13 +541,14 @@ check_ul_failure(module_id_t module_idP, int CC_id, int UE_id,
 		  "UE %d rnti %x: sent PDCCH order for RAPROC waiting (failure timer %d) \n",
 		  UE_id, rnti,
 		  UE_list->UE_sched_ctrl[UE_id].ul_failure_timer);
-	    if ((UE_list->UE_sched_ctrl[UE_id].ul_failure_timer % 40) == 0)
-		UE_list->UE_sched_ctrl[UE_id].ra_pdcch_order_sent = 0;	// resend every 4 frames
+	    if ((UE_list->UE_sched_ctrl[UE_id].ul_failure_timer % 80) == 0)
+		UE_list->UE_sched_ctrl[UE_id].ra_pdcch_order_sent = 0;	// resend every 8 frames
 	}
 
 	UE_list->UE_sched_ctrl[UE_id].ul_failure_timer++;
 	// check threshold
-	if (UE_list->UE_sched_ctrl[UE_id].ul_failure_timer > 20000) {
+	if (UE_list->UE_sched_ctrl[UE_id].ul_failure_timer > 4000) {
+	    // note: probably ul_failure_timer is should be less than UE radio link failure time(see T310/N310/N311)
 	    // inform RRC of failure and clear timer
 	    LOG_I(MAC,
 		  "UE %d rnti %x: UL Failure after repeated PDCCH orders: Triggering RRC \n",

openair2/LAYER2/MAC/eNB_scheduler_RA.c

@@ -1672,6 +1672,8 @@ initiate_ra_proc(module_id_t module_idP,
 
     struct PRACH_ConfigSIB_v1310 *ext4_prach = NULL;
     PRACH_ParametersListCE_r13_t *prach_ParametersListCE_r13 = NULL;
+  
+    static uint8_t failure_cnt = 0;
 
     if (cc->radioResourceConfigCommon_BR
 	&& cc->radioResourceConfigCommon_BR->ext4) {
@@ -1783,6 +1785,7 @@ initiate_ra_proc(module_id_t module_idP,
 	    }
 	    ra[i].RA_rnti = ra_rnti;
 	    ra[i].preamble_index = preamble_index;
+	    failure_cnt = 0;
 	    LOG_D(MAC,
 		  "[eNB %d][RAPROC] CC_id %d Frame %d Activating RAR generation in Frame %d, subframe %d for process %d, rnti %x, state %d\n",
 		  module_idP, CC_id, frameP, ra[i].Msg2_frame,
@@ -1795,6 +1798,13 @@ initiate_ra_proc(module_id_t module_idP,
     LOG_E(MAC,
 	  "[eNB %d][RAPROC] FAILURE: CC_id %d Frame %d Initiating RA procedure for preamble index %d\n",
 	  module_idP, CC_id, frameP, preamble_index);
+  
+    failure_cnt++;
+    if(failure_cnt > 20) {
+      LOG_E(MAC,"[eNB %d][RAPROC] CC_id %d Frame %d Clear Random access information\n", module_idP, CC_id, frameP);
+      clear_ra_proc(module_idP, CC_id, frameP);
+    }
+  
 }
 
 void
@@ -1817,6 +1827,22 @@ cancel_ra_proc(module_id_t module_idP, int CC_id, frame_t frameP,
 	  ra[i].RRC_timer = 20;
 	  ra[i].rnti = 0;
 	  ra[i].msg3_round = 0;
+    LOG_I(MAC,"[eNB %d][RAPROC] CC_id %d Frame %d Canceled RA procedure for UE rnti %x\n", module_idP, CC_id, frameP, rnti);
 	}
     }
 }
+
+void clear_ra_proc(module_id_t module_idP, int CC_id, frame_t frameP)
+{
+  unsigned char i;
+  RA_t *ra = (RA_t *) & RC.mac[module_idP]->common_channels[CC_id].ra[0];
+
+  for (i = 0; i < NB_RA_PROC_MAX; i++) {
+    LOG_D(MAC,"[eNB %d][RAPROC] CC_id %d Frame %d Clear Random access information rnti %x\n", module_idP, CC_id, frameP, ra[i].rnti);
+    ra[i].state = IDLE;
+    ra[i].timing_offset = 0;
+    ra[i].RRC_timer = 20;
+    ra[i].rnti = 0;
+    ra[i].msg3_round = 0;
+  }
+}

openair2/LAYER2/MAC/eNB_scheduler_primitives.c

@@ -2273,16 +2273,8 @@ int rrc_mac_remove_ue(module_id_t mod_idP, rnti_t rntiP)
     eNB_dlsch_info[mod_idP][pCC_id][UE_id].serving_num = 0;
 
     // check if this has an RA process active
-    RA_t *ra;
-    for (i = 0; i < NB_RA_PROC_MAX; i++) {
-	ra = (RA_t *) & RC.mac[mod_idP]->common_channels[pCC_id].ra[i];
-	if (ra->rnti == rntiP) {
-	    ra->state = IDLE;
-	    ra->timing_offset = 0;
-	    ra->RRC_timer = 20;
-	    ra->rnti = 0;
-	    //break;
-	}
+    if(find_RA_id(mod_idP, pCC_id, rntiP) != -1) {
+      cancel_ra_proc(mod_idP, pCC_id, 0, rntiP);
     }
 
     return 0;

openair2/LAYER2/MAC/eNB_scheduler_ulsch.c

@@ -165,18 +165,16 @@ rx_sdu(const module_id_t enb_mod_idP,
 		  UE_list->UE_sched_ctrl[UE_id].round_UL[CC_idP][harq_pid],
 		  ul_cqi);
 
-	    //      AssertFatal(1==0,"ulsch in error\n");
-	    if (UE_list->UE_sched_ctrl[UE_id].round_UL[CC_idP][harq_pid] ==
-		3) {
-		UE_list->UE_sched_ctrl[UE_id].ul_scheduled &=
-		    (~(1 << harq_pid));
-		UE_list->UE_sched_ctrl[UE_id].round_UL[CC_idP][harq_pid] =
-		    0;
-		if (UE_list->UE_sched_ctrl[UE_id].
-		    ul_consecutive_errors++ == 10)
-		    UE_list->UE_sched_ctrl[UE_id].ul_failure_timer = 1;
-	    } else
-		UE_list->UE_sched_ctrl[UE_id].round_UL[CC_idP][harq_pid]++;
+      //      AssertFatal(1==0,"ulsch in error\n");
+      if (UE_list->UE_sched_ctrl[UE_id].round_UL[CC_idP][harq_pid] == 3) {
+        UE_list->UE_sched_ctrl[UE_id].ul_scheduled &= (~(1 << harq_pid));
+        UE_list->UE_sched_ctrl[UE_id].round_UL[CC_idP][harq_pid] = 0;
+        if (UE_list->UE_sched_ctrl[UE_id].ul_consecutive_errors++ == 10)
+          UE_list->UE_sched_ctrl[UE_id].ul_failure_timer = 1;
+        if(find_RA_id(enb_mod_idP, CC_idP, current_rnti) != -1)
+          cancel_ra_proc(enb_mod_idP, CC_idP, frameP, current_rnti);
+      } else
+        UE_list->UE_sched_ctrl[UE_id].round_UL[CC_idP][harq_pid]++;
 	    return;
 
 	}
@@ -204,7 +202,7 @@ rx_sdu(const module_id_t enb_mod_idP,
 		  (int) mac->common_channels[CC_idP].
 		  radioResourceConfigCommon->rach_ConfigCommon.
 		  maxHARQ_Msg3Tx);
-	    if (ra[RA_id].msg3_round ==
+	    if (ra[RA_id].msg3_round >=
 		mac->common_channels[CC_idP].radioResourceConfigCommon->
 		rach_ConfigCommon.maxHARQ_Msg3Tx - 1) {
 		cancel_ra_proc(enb_mod_idP, CC_idP, frameP, current_rnti);
@@ -309,7 +307,7 @@ rx_sdu(const module_id_t enb_mod_idP,
                 // prepare transmission of Msg4(RRCConnectionReconfiguration)
                 ra->state = MSGCRNTI;
                 LOG_I(MAC,
-                     "[eNB %d] Frame %d, Subframe %d CC_id %d : (rnti %x UE_id %d) RRCConnectionReconfiguration(Msg4)",
+                     "[eNB %d] Frame %d, Subframe %d CC_id %d : (rnti %x UE_id %d) RRCConnectionReconfiguration(Msg4)\n",
                      enb_mod_idP, frameP, subframeP, CC_idP, old_rnti, old_UE_id);
                 //
                 UE_id = old_UE_id;
@@ -2090,7 +2088,8 @@ void schedule_ulsch_rnti(module_id_t   module_idP,
                                                  0, // ul_tx_mode
                                                  0, // current_tx_nb
                                                  0, // n_srs
-                                                 get_TBS_UL(UE_template->mcs_UL[harq_pid], ulsch_ue_select[CC_id].list[ulsch_ue_num].nb_rb)
+//                                                 get_TBS_UL(UE_template->mcs_UL[harq_pid], ulsch_ue_select[CC_id].list[ulsch_ue_num].nb_rb)
+UE_template->TBS_UL[harq_pid]
                                                  );
 #ifdef Rel14
             if (UE_template->rach_resource_type>0) { // This is a BL/CE UE allocation

openair2/LAYER2/MAC/pre_processor.c

@@ -2501,7 +2501,15 @@ void ulsch_scheduler_pre_ue_select(
           ue_first_num[CC_id]++;
           continue;
         }
-        if ( (ulsch_ue_select[CC_id].ue_num+ul_inactivity_num[CC_id] ) < ulsch_ue_max_num[CC_id] ) {
+        UE_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
+        if ( ((UE_sched_ctl->ul_inactivity_timer>20)&&(UE_sched_ctl->ul_scheduled==0))  ||
+            ((UE_sched_ctl->ul_inactivity_timer>10)&&(UE_sched_ctl->ul_scheduled==0)&&(mac_eNB_get_rrc_status(module_idP,UE_RNTI(module_idP,UE_id)) < RRC_CONNECTED))) {
+          first_ue_id[CC_id][ue_first_num[CC_id]]= UE_id;
+          first_ue_total[CC_id] [ue_first_num[CC_id]] = 0;
+          ue_first_num[CC_id]++;
+          continue;
+        }
+        /*if ( (ulsch_ue_select[CC_id].ue_num+ul_inactivity_num[CC_id] ) < ulsch_ue_max_num[CC_id] ) {
             UE_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
             uint8_t ul_period = 0;
             if (cc->tdd_Config) {
@@ -2515,7 +2523,7 @@ void ulsch_scheduler_pre_ue_select(
             ul_inactivity_num[CC_id] ++;
             continue;
           }
-        }
+        }*/
       }
 
   }
@@ -2590,7 +2598,10 @@ void ulsch_scheduler_pre_ue_select(
 
     HI_DCI0_req   = &eNB->HI_DCI0_req[CC_id][subframeP].hi_dci0_request_body;
     //SR BSR
-    if ( (UE_list->UE_template[CC_id][UE_id].ul_total_buffer > 0) || (UE_list->UE_template[CC_id][UE_id].ul_SR > 0) ) {
+        UE_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
+    if ( (UE_list->UE_template[CC_id][UE_id].ul_total_buffer > 0) || (UE_list->UE_template[CC_id][UE_id].ul_SR > 0) ||
+          ((UE_sched_ctl->ul_inactivity_timer>20)&&(UE_sched_ctl->ul_scheduled==0))  ||
+          ((UE_sched_ctl->ul_inactivity_timer>10)&&(UE_sched_ctl->ul_scheduled==0)&&(mac_eNB_get_rrc_status(module_idP,UE_RNTI(module_idP,UE_id)) < RRC_CONNECTED)) ){
         hi_dci0_pdu   = &HI_DCI0_req->hi_dci0_pdu_list[HI_DCI0_req->number_of_dci+HI_DCI0_req->number_of_hi];
         format_flag = 2;
         if (CCE_allocation_infeasible(module_idP,CC_id,format_flag,subframeP,aggregation,rnti) == 1) {
@@ -2613,7 +2624,7 @@ void ulsch_scheduler_pre_ue_select(
           }
     }
     //inactivity UE
-    if ( (ulsch_ue_select[CC_id].ue_num+ul_inactivity_num[CC_id]) < ulsch_ue_max_num[CC_id] ) {
+/*    if ( (ulsch_ue_select[CC_id].ue_num+ul_inactivity_num[CC_id]) < ulsch_ue_max_num[CC_id] ) {
         UE_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
         uint8_t ul_period = 0;
         if (cc->tdd_Config) {
@@ -2627,7 +2638,7 @@ void ulsch_scheduler_pre_ue_select(
           ul_inactivity_num[CC_id]++;
           continue;
         }
-    }
+    }*/
   }
 
   for ( CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++ ) {

openair2/LAYER2/MAC/proto.h

@@ -299,6 +299,9 @@ void cancel_ra_proc(module_id_t module_idP, int CC_id, frame_t frameP,
 @param Msg3_frame    frame where scheduling takes place
 @param Msg3_subframe subframe where scheduling takes place
 */
+
+void clear_ra_proc(module_id_t module_idP, int CC_id, frame_t frameP);
+
 void set_msg3_subframe(module_id_t Mod_id,
 		       int CC_id,
 		       int frame,

openair2/LAYER2/MAC/rar_tools.c

@@ -89,6 +89,7 @@ fill_rar(const module_id_t module_idP,
     ra->msg3_TPC = 3;
     ra->msg3_ULdelay = 0;
     ra->msg3_cqireq = 0;
+    ra->msg3_round = 0;
     rar[2] |= ((ra->msg3_mcs & 0x8) >> 3);	// mcs 10
     rar[3] =
 	(((ra->msg3_mcs & 0x7) << 5)) | ((ra->msg3_TPC & 7) << 2) |

openair2/LAYER2/RLC/AM_v9.3.0/rlc_am.c

@@ -550,8 +550,10 @@ rlc_am_mac_status_indication (
   }
 
   rlc->last_absolute_subframe_status_indication = PROTOCOL_CTXT_TIME_MILLI_SECONDS(ctxt_pP);
-  if (tb_sizeP > 0)
-  rlc->nb_bytes_requested_by_mac = tb_sizeP;
+
+  if (tb_sizeP > 0) {
+    rlc->nb_bytes_requested_by_mac = tb_sizeP;
+  }
 
   status_resp.buffer_occupancy_in_bytes = rlc_am_get_buffer_occupancy_in_bytes(ctxt_pP, rlc);
 

openair2/LAYER2/RLC/AM_v9.3.0/rlc_am_receiver.c

@@ -396,14 +396,20 @@ rlc_am_receive_process_data_pdu (
         }
 
         if (pdu_info_p->sn == rlc_pP->vr_r) {
+mem_block_t*       cursor_p                    = rlc_pP->receiver_buffer.head;
+rlc_am_rx_pdu_management_t * pdu_cursor_mgnt_p = (rlc_am_rx_pdu_management_t *) (cursor_p->data);
+if( (((rlc_am_rx_pdu_management_t*)(tb_pP->data))->all_segments_received) == (pdu_cursor_mgnt_p->all_segments_received)){
           if (((rlc_am_rx_pdu_management_t*)(tb_pP->data))->all_segments_received) {
             rlc_am_rx_update_vr_r(ctxt_pP, rlc_pP, tb_pP);
             rlc_pP->vr_mr = (rlc_pP->vr_r + RLC_AM_WINDOW_SIZE) & RLC_AM_SN_MASK;
           }
-
           reassemble = rlc_am_rx_check_vr_reassemble(ctxt_pP, rlc_pP);
           //TODO : optimization : check whether a reassembly is needed by looking at LI, FI, SO, etc...
-
+}else{
+  LOG_E(RLC, "BAD all_segments_received!!! discard buffer!!!\n");
+  /* Discard received block if out of window, duplicate or header error */
+  free_mem_block (tb_pP, __func__);
+}
         }
 
         //FNA: fix check VrX out of receiving window

openair2/RRC/LITE/rrc_common.c

@@ -348,7 +348,7 @@ rrc_rx_tx(
       }
       if (ue_context_p->ue_context.ul_failure_timer>0) {
 	ue_context_p->ue_context.ul_failure_timer++;
-	if (ue_context_p->ue_context.ul_failure_timer >= 8) {
+	if (ue_context_p->ue_context.ul_failure_timer >= 20000) {
 	  // remove UE after 20 seconds after MAC has indicated UL failure
 	  LOG_I(RRC,"Removing UE %x instance\n",ue_context_p->ue_context.rnti);
 	  ue_to_be_removed = ue_context_p;
@@ -513,14 +513,14 @@ rrc_rx_tx(
       }
     }
     if (ue_to_be_removed) {
-      if(ue_to_be_removed->ue_context.ul_failure_timer >= 8) {
+      if(ue_to_be_removed->ue_context.ul_failure_timer >= 20000) {
           ue_to_be_removed->ue_context.ue_release_timer_s1 = 1;
           ue_to_be_removed->ue_context.ue_release_timer_thres_s1 = 200;
           ue_to_be_removed->ue_context.ue_release_timer = 0;
           ue_to_be_removed->ue_context.ue_reestablishment_timer = 0;
       }
       rrc_eNB_free_UE(ctxt_pP->module_id,ue_to_be_removed);
-      if(ue_to_be_removed->ue_context.ul_failure_timer >= 8){
+      if(ue_to_be_removed->ue_context.ul_failure_timer >= 20000){
         ue_to_be_removed->ue_context.ul_failure_timer = 0;
       }
     }

targets/RT/USER/lte-ru.c

@@ -1527,8 +1527,10 @@ static void* ru_thread( void* param ) {
 
           // the thread can now be woken up
           AssertFatal(pthread_cond_signal(&ru->proc.cond_phy_tx) == 0, "ERROR pthread_cond_signal for phy_tx thread\n");
+        }else{
+          LOG_E(PHY,"phy tx thread busy, skipping\n");
+          ++ru->proc.instance_cnt_phy_tx;
         }
-        else LOG_W(PHY,"phy tx thread busy, skipping\n");
         pthread_mutex_unlock( &ru->proc.mutex_phy_tx );
     } else {
         phy_tx_end = 1;
@@ -1810,8 +1812,10 @@ static void* eNB_thread_phy_tx( void* param ) {
 
           // the thread can now be woken up
           AssertFatal(pthread_cond_signal(&ru->proc.cond_rf_tx) == 0, "ERROR pthread_cond_signal for rf_tx thread\n");
+        }else{
+          LOG_E(PHY,"rf tx thread busy, skipping\n");
+          ru->proc.instance_cnt_rf_tx++;
         }
-        else LOG_W(PHY,"rf tx thread busy, skipping\n");
         pthread_mutex_unlock( &ru->proc.mutex_rf_tx );
     }
     if (release_thread(&proc->mutex_phy_tx,&proc->instance_cnt_phy_tx,"eNB_thread_phy_tx") < 0) break;
@@ -1855,6 +1859,10 @@ static void* rf_tx( void* param ) {
        if (ru->fh_north_out) ru->fh_north_out(ru);
     }
     if (release_thread(&proc->mutex_rf_tx,&proc->instance_cnt_rf_tx,"rf_tx") < 0) break;
+    if(proc->instance_cnt_rf_tx >= 0){
+      late_control=STATE_BURST_TERMINATE;
+      LOG_E(PHY,"detect rf tx busy change mode TX failsafe\n");
+    }
   }
 
   LOG_I(PHY, "Exiting rf TX\n");