if5 modifications. Use of asynchronous RX thread for RCC->RRU IF5 link

openair1/PHY/LTE_TRANSPORT/if5_tools.c

@@ -66,7 +66,7 @@ void send_IF5(PHY_VARS_eNB *eNB, openair0_timestamp proc_timestamp, int subframe
       VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE_IF, 1 );            
       eNB->ifdevice.trx_write_func(&eNB->ifdevice,
                                    (proc_timestamp + packet_id*spp_eth),
-                                   txp,
+                                   (void**)txp,
                                    spp_eth,
                                    fp->nb_antennas_tx,
                                    0);
@@ -86,7 +86,7 @@ void send_IF5(PHY_VARS_eNB *eNB, openair0_timestamp proc_timestamp, int subframe
       VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE_IF, 1 );            
       eNB->ifdevice.trx_write_func(&eNB->ifdevice,
                                    (proc_timestamp + packet_id*spp_eth),
-                                   rxp,
+                                   (void**)rxp,
                                    spp_eth,
                                    fp->nb_antennas_rx,
                                    0);
@@ -131,7 +131,7 @@ void send_IF5(PHY_VARS_eNB *eNB, openair0_timestamp proc_timestamp, int subframe
       // Write the packet to the fronthaul
       if ((eNB->ifdevice.trx_write_func(&eNB->ifdevice,
                                         packet_id,
-                                        &tx_buffer,
+                                        (void**)&tx_buffer,
                                         db_fulllength,
                                         1,
                                         IF5_MOBIPASS)) < 0) {
@@ -177,7 +177,7 @@ void recv_IF5(PHY_VARS_eNB *eNB, openair0_timestamp *proc_timestamp, int subfram
       VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ_IF, 1 );  
       eNB->ifdevice.trx_read_func(&eNB->ifdevice,
                                   &timestamp[packet_id],
-                                  txp,
+                                  (void**)txp,
                                   spp_eth,
                                   fp->nb_antennas_tx);
       VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ_IF, 0 );  
@@ -197,7 +197,7 @@ void recv_IF5(PHY_VARS_eNB *eNB, openair0_timestamp *proc_timestamp, int subfram
       VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ_IF, 1 );            
       eNB->ifdevice.trx_read_func(&eNB->ifdevice,
                                   &timestamp[packet_id],
-                                  rxp,
+                                  (void**)rxp,
                                   spp_eth,
                                   fp->nb_antennas_rx);
       VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ_IF, 0 );            

openair1/PHY/defs.h

@@ -252,10 +252,12 @@ typedef struct eNB_proc_t_s {
   /// \brief Instance count for rx processing thread.
   /// \internal This variable is protected by \ref mutex_prach.
   int instance_cnt_prach;
+  /// \internal This variable is protected by \ref mutex_asynch_rxtx.
+  int instance_cnt_asynch_rxtx;
   /// pthread structure for FH processing thread
   pthread_t pthread_FH;
-  /// pthread structure for asychronous RX processing thread
-  pthread_t pthread_asynch_rx;
+  /// pthread structure for asychronous RX/TX processing thread
+  pthread_t pthread_asynch_rxtx;
   /// flag to indicate first RX acquisition
   int first_rx;
   /// pthread attributes for FH processing thread
@@ -263,23 +265,27 @@ typedef struct eNB_proc_t_s {
   /// pthread attributes for prach processing thread
   pthread_attr_t attr_prach;
   /// pthread attributes for asynchronous RX thread
-  pthread_attr_t attr_asynch_rx;
+  pthread_attr_t attr_asynch_rxtx;
   /// scheduling parameters for FH thread
   struct sched_param sched_param_FH;
   /// scheduling parameters for prach thread
   struct sched_param sched_param_prach;
-  /// scheduling parameters for asynch_rx thread
-  struct sched_param sched_param_asynch_rx;
-  /// condition variable for FH thread
+  /// scheduling parameters for asynch_rxtx thread
+  struct sched_param sched_param_asynch_rxtx;
+  /// pthread structure for PRACH thread
   pthread_t pthread_prach;
   /// condition variable for FH thread
   pthread_cond_t cond_FH;
   /// condition variable for PRACH processing thread;
   pthread_cond_t cond_prach;
+  /// condition variable for asynch RX/TX thread
+  pthread_cond_t cond_asynch_rxtx;
   /// mutex for FH
   pthread_mutex_t mutex_FH;
   /// mutex for PRACH thread
   pthread_mutex_t mutex_prach;
+  /// mutex for asynch RX/TX thread
+  pthread_mutex_t mutex_asynch_rxtx;
   /// set of scheduling variables RXn-TXnp4 threads
   eNB_rxtx_proc_t proc_rxtx[2];
   /// number of slave threads