prevent UL_indication from overlapping with tx process which cause the drop

common/utils/T/T_defs.h

@@ -8,10 +8,10 @@
 #define T_MAX_ARGS 16
 
 /* maximum size of a message - increase if needed */
-#define T_BUFFER_MAX (1024*64)
+#define T_BUFFER_MAX (10) /*(1024*64)*/
 
 /* size of the local cache for messages (must be pow(2,something)) */
-#define T_CACHE_SIZE (8192 * 2)
+#define T_CACHE_SIZE (1)  /*(8192 * 2)*/
 
 /* maximum number of bytes a message can contain */
 #ifdef T_SEND_TIME

common/utils/system.c

@@ -148,6 +148,7 @@ int background_system(char *command)
 
 void start_background_system(void)
 {
+  return;
   int p[2];
   pid_t son;
 

openair1/PHY/LTE_TRANSPORT/dci.c

@@ -2265,7 +2265,7 @@ uint8_t generate_dci_top(uint8_t num_pdcch_symbols,
   y[0] = &yseq0[0];
   y[1] = &yseq1[0];
 
-#if 0
+#if 1
   // reset all bits to <NIL>, here we set <NIL> elements as 2
   // memset(e, 2, DCI_BITS_MAX);
   // here we interpret NIL as a random QPSK sequence. That makes power estimation easier.
@@ -2276,7 +2276,7 @@ uint8_t generate_dci_top(uint8_t num_pdcch_symbols,
   /* clear all bits, the above code may generate too much false detections
    * (not sure about this, to be checked somehow)
    */
-  memset(e, 0, DCI_BITS_MAX);
+  //memset(e, 0, DCI_BITS_MAX);
 
   e_ptr = e;
 
@@ -2298,6 +2298,7 @@ uint8_t generate_dci_top(uint8_t num_pdcch_symbols,
 	#endif
 
         if (dci_alloc[i].firstCCE>=0) {
+//printf("generate DCI .%d rnti %d length %d\n", subframe, dci_alloc[i].rnti, dci_alloc[i].dci_length);
           e_ptr = generate_dci0(dci_alloc[i].dci_pdu,
                                 e+(72*dci_alloc[i].firstCCE),
                                 dci_alloc[i].dci_length,

openair1/PHY/LTE_TRANSPORT/dci_tools.c

@@ -2183,6 +2183,7 @@ void fill_dci_and_dlsch(PHY_VARS_eNB *eNB,int frame,int subframe,eNB_rxtx_proc_t
 
 #endif
     
+//printf("DCI %d.%d rnti %d harq %d TBS %d\n", frame, subframe, rel8->rnti, rel8->harq_process, dlsch0_harq->TBS);
 #if T_TRACER
   if (dlsch0->active)
     T(T_ENB_PHY_DLSCH_UE_DCI, T_INT(0), T_INT(frame), T_INT(subframe),

openair1/PHY/LTE_TRANSPORT/dlsch_coding.c

@@ -646,9 +646,9 @@ int dlsch_encoding_all(PHY_VARS_eNB *eNB,
 		}
 	}
 
-	if(C >= 8 && get_nprocs()>8 && codingw)//one main three worker
+    if(C >= 8 && get_nprocs()>=16 && codingw)//one main three worker
-	{
+    {
-		encoding_return =
+        encoding_return =
 		dlsch_encoding_2threads(eNB,
 				   a,
                    num_pdcch_symbols,
@@ -663,8 +663,8 @@ int dlsch_encoding_all(PHY_VARS_eNB *eNB,
                    te_wakeup_stats1,
                    i_stats,
                    3);
-	}
+    }
-    else if(C >= 6 && get_nprocs()>=6 && codingw)//one main two worker
+    else if(C >= 6 && get_nprocs()>=8 && codingw)//one main two worker
     {
         encoding_return =
 		dlsch_encoding_2threads(eNB,

openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c

@@ -794,11 +794,11 @@ int ulsch_decoding_data(PHY_VARS_eNB *eNB,int UE_id,int harq_pid,int llr8_flag)
 int ulsch_decoding_data_all(PHY_VARS_eNB *eNB,int UE_id,int harq_pid,int llr8_flag) 
 {
   int ret = 0;
-  if(codingw)
+  /*if(codingw)
   {
     ret = ulsch_decoding_data_2thread(eNB,UE_id,harq_pid,llr8_flag);
   }
-  else
+  else*/
   {
     ret = ulsch_decoding_data(eNB,UE_id,harq_pid,llr8_flag);
   }

openair1/SCHED/fapi_l1.c

@@ -201,8 +201,9 @@ void handle_nfapi_dlsch_pdu(PHY_VARS_eNB *eNB,int frame,int subframe,eNB_rxtx_pr
   dlsch0_harq->pdsch_start = eNB->pdcch_vars[subframe & 1].num_pdcch_symbols;
 
   if (dlsch0_harq->round==0) {  //get pointer to SDU if this a new SDU
-    AssertFatal(sdu!=NULL,"NFAPI: SFN/SF:%04d%d proc:TX:[frame %d subframe %d]: programming dlsch for round 0, rnti %x, UE_id %d, harq_pid %d : sdu is null for pdu_index %d dlsch0_harq[round:%d SFN/SF:%d%d pdu:%p mcs:%d ndi:%d pdschstart:%d]\n",
+//if (sdu==NULL) printf("dlsch0_harq %p harq %d\n", dlsch0_harq, harq_pid);
-                frame,subframe,
+    AssertFatal(sdu!=NULL,"sdu==%d, NFAPI: SFN/SF:%04d%d proc:TX:[frame %d subframe %d]: programming dlsch for round 0, rnti %x, UE_id %d, harq_pid %d : sdu is null for pdu_index %d dlsch0_harq[round:%d SFN/SF:%d%d pdu:%p mcs:%d ndi:%d pdschstart:%d]\n",
+                *sdu,frame,subframe,
                 proc->frame_tx,proc->subframe_tx,rel8->rnti,UE_id,harq_pid,
                 dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index,dlsch0_harq->round,dlsch0_harq->frame,dlsch0_harq->subframe,dlsch0_harq->pdu,dlsch0_harq->mcs,dlsch0_harq->ndi,dlsch0_harq->pdsch_start);
     if (rel8->rnti != 0xFFFF) LOG_D(PHY,"NFAPI: SFN/SF:%04d%d proc:TX:[frame %d, subframe %d]: programming dlsch for round 0, rnti %x, UE_id %d, harq_pid %d\n",

openair1/SCHED/phy_procedures_lte_eNb.c

@@ -359,6 +359,11 @@ void pdsch_procedures(PHY_VARS_eNB *eNB,
       &eNB->dlsch_turbo_encoding_wakeup_stats1,
 	  &eNB->dlsch_interleaving_stats);
     stop_meas(&eNB->dlsch_encoding_stats);
+  //////////////////////////////////////////////////*******************************************
+  if(eNB->dlsch_encoding_stats.diff_now>500*3000 && opp_enabled == 1)
+  {
+    print_meas_now(&eNB->dlsch_encoding_stats,"total coding",stderr);
+  }
   // 36-211
     start_meas(&eNB->dlsch_scrambling_stats);
     dlsch_scrambling(fp,
@@ -394,6 +399,7 @@ void pdsch_procedures(PHY_VARS_eNB *eNB,
 
   dlsch->active = 0;
   dlsch_harq->round++;
+//printf("  dlsch_harq ++ %p %d.%d harq %d rnti %d\n", dlsch_harq, frame, subframe, harq_pid, dlsch->rnti);
 
   LOG_D(PHY,"Generating DLSCH/PDSCH dlsch_harq[round:%d]\n",dlsch_harq->round);
 }
@@ -513,7 +519,7 @@ void phy_procedures_eNB_TX(PHY_VARS_eNB *eNB,
   //LOG_D(PHY,"Before generate_dci_top num_pdcch_symbols:%d num_dci:%d dci_alloc:dci_length:%d\n", num_pdcch_symbols, num_dci, eNB->pdcch_vars[subframe&1].dci_alloc[0].dci_length);
 
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_PDCCH_TX,1);
-
+//printf("//////////************before generate_dci_top UL %d.%d TX %d.%d \n", ul_frame, ul_subframe, frame, subframe);
   if (nfapi_mode == 0 || nfapi_mode == 1) {
     generate_dci_top(num_pdcch_symbols,
         num_dci,
@@ -1641,6 +1647,9 @@ void fill_ulsch_harq_indication(PHY_VARS_eNB *eNB,LTE_UL_eNB_HARQ_t *ulsch_harq,
       // release DLSCH if needed
       if (ulsch_harq->o_ACK[i] == 1) release_harq(eNB,UE_id,i,frame,subframe,0xffff);
 
+//if (ulsch_harq->o_ACK[i] != 1)
+//printf("got NACK %d.%d rnti %d harq %d\n", frame, subframe, rnti, eNB->dlsch[UE_id][0]->harq_ids[(subframe+6)%10]);
+
 #if T_TRACER
       /* TODO: get correct harq pid */
       if (ulsch_harq->o_ACK[i] != 1)
@@ -1735,6 +1744,9 @@ void fill_uci_harq_indication(PHY_VARS_eNB *eNB,
       // release DLSCH if needed
       if (harq_ack[0] == 1) release_harq(eNB,UE_id,0,frame,subframe,0xffff);
 
+//if (harq_ack[0] != 1)
+//printf("got NACK %d.%d rnti %d harq %d\n", frame, subframe, uci->rnti, eNB->dlsch[UE_id][0]->harq_ids[(subframe+6)%10]);
+
 #if T_TRACER
       if (harq_ack[0] != 1)
         T(T_ENB_PHY_DLSCH_UE_NACK, T_INT(0), T_INT(frame), T_INT(subframe),

openair2/LAYER2/MAC/eNB_scheduler_dlsch.c

@@ -928,7 +928,7 @@ schedule_ue_spec(module_id_t module_idP,slice_id_t slice_idP,
 
 	      eNB->DL_req[CC_id].sfn_sf = frameP<<4 | subframeP;
 	      eNB->DL_req[CC_id].header.message_id = NFAPI_DL_CONFIG_REQUEST;
-
+//printf("doing retransmission for fill_nfapi_dlsch_config frame %d subframe %d rnti = %d harq_pid = %d\n", frameP, subframeP, rnti, harq_pid);
 	      fill_nfapi_dlsch_config(eNB, dl_req, TBS, -1
 				      /* retransmission, no pdu_index */
 				      , rnti, 0,	// type 0 allocation from 7.1.6 in 36.213
@@ -1455,7 +1455,7 @@ schedule_ue_spec(module_id_t module_idP,slice_id_t slice_idP,
 			"physicalConfigDedicated is NULL\n");
 	    AssertFatal(UE_list->UE_template[CC_id][UE_id].physicalConfigDedicated->pdsch_ConfigDedicated != NULL,
 			"physicalConfigDedicated->pdsch_ConfigDedicated is NULL\n");
-
+//printf("mac DL transmition with frame = %d, subframe = %d, rnti = %d, pdu_index = %p\n", frameP, subframeP, rnti, eNB->pdu_index);
 	    fill_nfapi_dlsch_config(eNB, dl_req, TBS, eNB->pdu_index[CC_id], rnti, 0,	// type 0 allocation from 7.1.6 in 36.213
 				    0,	// virtual_resource_block_assignment_flag, unused here
 				    0,	// resource_block_coding, to be filled in later

targets/RT/USER/lte-enb.c

@@ -224,6 +224,12 @@ static inline int rxtx(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, char *thread_nam
   }
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ULSCH_SCHEDULER , 1 );
 
+  if(wait_on_condition(&proc[1].mutex_rxtx,&proc[1].cond_rxtx,&proc[1].pipe_ready,"wakeup_tx")<0) {
+    LOG_E(PHY,"Frame %d, subframe %d: TX1 not ready\n",proc[1].frame_rx,proc[1].subframe_rx);
+    return(-1);
+  }
+  if (release_thread(&proc[1].mutex_rxtx,&proc[1].pipe_ready,"wakeup_tx")<0)  return(-1);
+
   pthread_mutex_lock(&eNB->UL_INFO_mutex);
 
   eNB->UL_INFO.frame     = proc->frame_rx;
@@ -237,17 +243,7 @@ static inline int rxtx(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, char *thread_nam
   
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ULSCH_SCHEDULER , 0 );
   if(oai_exit) return(-1);
-  if(get_nprocs() >= 8){
+  if(get_nprocs() <= 4)    phy_procedures_eNB_TX(eNB, proc, no_relay, NULL, 1);
-    wakeup_tx(eNB,eNB->proc.ru_proc);
-  }
-  else if(get_nprocs() >= 4){
-  
-    phy_procedures_eNB_TX(eNB, proc, no_relay, NULL, 1);
-    wakeup_txfh(proc,eNB->proc.ru_proc);
-  }
-  else{
-    phy_procedures_eNB_TX(eNB, proc, no_relay, NULL, 1);
-  }
 
 
   stop_meas( &softmodem_stats_rxtx_sf );
@@ -314,14 +310,6 @@ static void* tx_thread(void* param) {
   
   while (!oai_exit) {
     
-    pthread_mutex_lock( &proc->mutex_rxtx );
-    proc->pipe_ready++;
-    // the thread can now be woken up
-    if (pthread_cond_signal(&proc->cond_rxtx) != 0) {
-      LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB TXnp4 thread\n");
-      exit_fun( "ERROR pthread_cond_signal" );
-    }
-    pthread_mutex_unlock( &proc->mutex_rxtx );
 
     if (wait_on_condition(&proc->mutex_rxtx,&proc->cond_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) break;
     if (oai_exit) break;    
@@ -336,8 +324,16 @@ static void* tx_thread(void* param) {
     VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_RX1_ENB,proc->frame_rx);
     
     phy_procedures_eNB_TX(eNB, proc, no_relay, NULL, 1);
-	if (release_thread(&proc->mutex_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) break;
+    if (release_thread(&proc->mutex_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) break;
 	
+    pthread_mutex_lock( &proc->mutex_rxtx );
+    proc->pipe_ready++;
+    // the thread can now be woken up
+    if (pthread_cond_signal(&proc->cond_rxtx) != 0) {
+      LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB TXnp4 thread\n");
+      exit_fun( "ERROR pthread_cond_signal" );
+    }
+    pthread_mutex_unlock( &proc->mutex_rxtx );
     wakeup_txfh(proc,eNB_proc->ru_proc);
   }
 
@@ -376,14 +372,6 @@ static void* eNB_thread_rxtx( void* param ) {
 
   while (!oai_exit) {
     
-    pthread_mutex_lock( &proc->mutex_rxtx );
-    proc->pipe_ready++;
-    // the thread can now be woken up
-    if (pthread_cond_signal(&proc->cond_rxtx) != 0) {
-      LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB TXnp4 thread\n");
-      exit_fun( "ERROR pthread_cond_signal" );
-    }
-    pthread_mutex_unlock( &proc->mutex_rxtx );
     
     VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 0 );
     T(T_ENB_MASTER_TICK, T_INT(0), T_INT(proc->frame_rx), T_INT(proc->subframe_rx));
@@ -407,6 +395,20 @@ static void* eNB_thread_rxtx( void* param ) {
     }
 
     if (release_thread(&proc->mutex_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) break;
+    pthread_mutex_lock( &proc->mutex_rxtx );
+    proc->pipe_ready++;
+    // the thread can now be woken up
+    if (pthread_cond_signal(&proc->cond_rxtx) != 0) {
+      LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB TXnp4 thread\n");
+      exit_fun( "ERROR pthread_cond_signal" );
+    }
+    pthread_mutex_unlock( &proc->mutex_rxtx );
+    if(get_nprocs() >= 8)      wakeup_tx(eNB,eNB->proc.ru_proc);
+    else if(get_nprocs() > 4)
+    {  
+      phy_procedures_eNB_TX(eNB, proc, no_relay, NULL, 1);
+      wakeup_txfh(proc,eNB->proc.ru_proc);
+    }
 
   } // while !oai_exit
 
@@ -521,11 +523,6 @@ int wakeup_tx(PHY_VARS_eNB *eNB,RU_proc_t *ru_proc) {
   wait.tv_nsec=5000000L;
   
   
-  if(wait_on_condition(&proc_rxtx1->mutex_rxtx,&proc_rxtx1->cond_rxtx,&proc_rxtx1->pipe_ready,"wakeup_tx")<0) {
-    LOG_E(PHY,"Frame %d, subframe %d: TX1 not ready\n",proc_rxtx1->frame_rx,proc_rxtx1->subframe_rx);
-    return(-1);
-  }
-  if (release_thread(&proc_rxtx1->mutex_rxtx,&proc_rxtx1->pipe_ready,"wakeup_tx")<0)  return(-1);
   
   if (proc_rxtx1->instance_cnt_rxtx == 0) {
     LOG_E(PHY,"Frame %d, subframe %d: TX1 thread busy, dropping\n",proc_rxtx1->frame_rx,proc_rxtx1->subframe_rx);

targets/RT/USER/lte-ru.c

@@ -1181,7 +1181,7 @@ void wakeup_eNBs(RU_t *ru) {
   LOG_D(PHY,"wakeup_eNBs (num %d) for RU %d ru->eNB_top:%p\n",ru->num_eNB,ru->idx, ru->eNB_top);
 
 
-  if (ru->num_eNB==1 && ru->eNB_top!=0 && get_nprocs() < 4) {
+  if (ru->num_eNB==1 && ru->eNB_top!=0 && get_nprocs() <= 4) {
     // call eNB function directly
   
     char string[20];
@@ -1556,9 +1556,13 @@ static void* ru_thread( void* param ) {
   pthread_cond_signal(&RC.ru_cond);
   pthread_mutex_unlock(&RC.ru_mutex);
   
-  wait_sync("ru_thread");
   
+  pthread_mutex_lock(&proc->mutex_FH1);
+  proc->instance_cnt_FH1 = 0;
+  pthread_mutex_unlock(&proc->mutex_FH1);
+  pthread_cond_signal(&proc->cond_FH1);
 
+  wait_sync("ru_thread");
 
   if(!emulate_rf){
     // Start RF device if any
@@ -1584,10 +1588,7 @@ static void* ru_thread( void* param ) {
     if ((ru->is_slave) && (ru->if_south == LOCAL_RF)) do_ru_synch(ru);
   }
 
-  pthread_mutex_lock(&proc->mutex_FH1);
+
-  proc->instance_cnt_FH1 = 0;
-  pthread_mutex_unlock(&proc->mutex_FH1);
-  pthread_cond_signal(&proc->cond_FH1);
 
 
   // This is a forever while loop, it loops over subframes which are scheduled by incoming samples from HW devices
@@ -1645,7 +1646,7 @@ static void* ru_thread( void* param ) {
     // wakeup all eNB processes waiting for this RU
     if (ru->num_eNB>0) wakeup_eNBs(ru);
     
-    if(get_nprocs() < 4){
+    if(get_nprocs() <= 4){
       // do TX front-end processing if needed (precoding and/or IDFTs)
       if (ru->feptx_prec) ru->feptx_prec(ru);
       
@@ -1859,7 +1860,7 @@ void init_RU_proc(RU_t *ru) {
   if(emulate_rf)
     pthread_create( &proc->pthread_emulateRF, attr_emulateRF, emulatedRF_thread, (void*)proc );
 
-  if (get_nprocs() >= 4)
+  if (get_nprocs() > 4)
     pthread_create( &proc->pthread_FH1, attr_FH1, ru_thread_tx, (void*)ru );
 
   if (ru->function == NGFI_RRU_IF4p5) {