changes for TDD fronthaul

targets/RT/USER/lte-enb.c

@@ -406,16 +406,22 @@ void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
 
 void tx_fh_if5(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
   VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, proc->timestamp_tx&0xffffffff );
-  send_IF5(eNB, proc->timestamp_tx, proc->subframe_tx, &seqno, IF5_RRH_GW_DL);
+  if ((eNB->frame_parms.frame_type==TDD) &&
+      (subframe_select(&eNB->frame_parms,proc->subframe_tx) != SF_UL))    
+    send_IF5(eNB, proc->timestamp_tx, proc->subframe_tx, &seqno, IF5_RRH_GW_DL);
 }
 
 void tx_fh_if5_mobipass(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
   VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, proc->timestamp_tx&0xffffffff );
-  send_IF5(eNB, proc->timestamp_tx, proc->subframe_tx, &seqno, IF5_MOBIPASS); 
+  if ((eNB->frame_parms.frame_type==TDD) &&
+      (subframe_select(&eNB->frame_parms,proc->subframe_tx) != SF_UL))    
+    send_IF5(eNB, proc->timestamp_tx, proc->subframe_tx, &seqno, IF5_MOBIPASS); 
 }
 
-void tx_fh_if4p5(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {    
-  send_IF4p5(eNB,proc->frame_tx,proc->subframe_tx, IF4p5_PDLFFT, 0);
+void tx_fh_if4p5(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
+  if ((eNB->frame_parms.frame_type==TDD) &&
+      (subframe_select(&eNB->frame_parms,proc->subframe_tx) != SF_UL))    
+    send_IF4p5(eNB,proc->frame_tx,proc->subframe_tx, IF4p5_PDLFFT, 0);
 }
 
 void proc_tx_high0(PHY_VARS_eNB *eNB,