Change the use of tuser to id connections for tdest

Author: Mario Ruiz

hls/UDP/udp.cpp

@@ -191,7 +191,7 @@ void udpRxEngine (
 
 /**
  * @brief      This module reads the metadata and forward the payload depending on the socket status.
- *             If the payload is forwarded, the id is included in both tuser and tdest
+ *             If the payload is forwarded, the id is included in tdest
  *
  * @param      repdDataIn   Input Payload
  * @param      repdMetaIn   Input Metadata, id and drop decision
@@ -252,7 +252,7 @@ void appGetMetaData (
         case GET_METADATA:
             if (!DataIn.empty()){
                 DataIn.read(currWord);
-                idOut.write(currWord.user);
+                idOut.write(currWord.dest);
                 DataOut.write(axiWord(currWord.data,currWord.keep,currWord.last));
 
                 lenCount = 64;

hls/UDP/udp.hpp

@@ -40,12 +40,11 @@ template<int D>
 struct my_axis_udp {
     ap_uint< D >    data;
     ap_uint<D/8>    keep;
-    ap_uint<16>     user;
     ap_uint<16>     dest;
     ap_uint< 1>     last;
     my_axis_udp() {}
-    my_axis_udp(ap_uint<D>   data, ap_uint<D/8> keep, ap_uint<16> user, ap_uint<1> last)
-                : data(data), keep(keep), user(user), dest(user), last(last) {}
+    my_axis_udp(ap_uint<D>   data, ap_uint<D/8> keep, ap_uint<16> dest, ap_uint<1> last)
+                : data(data), keep(keep), dest(dest), last(last) {}
 };
 
 typedef my_axis_udp<ETH_INTERFACE_WIDTH> axiWordUdp;

hls/UDP/udp_tb.cpp

@@ -66,7 +66,7 @@ void readTxtFile () {
                 currWord.last = 1;
                 DataInApp.write(currWord);
                 AppRxGolden.write(currWord);
-                currWord.user = 0;
+                currWord.dest = 0;
             }
             else if (((i + 1) % 64) == 0){
                 DataInApp.write(currWord);
@@ -180,10 +180,10 @@ int main(void){
 #endif
             rxErrors--;
         }
-        if (goldenWord.user != currWord.user){
+        if (goldenWord.dest != currWord.dest){
 #ifndef DEBUG
             std::cerr << "Rx path, packet[" << std::setw(4) << rxPacket << "][" << std::setw(2);
-            std::cerr << rxBeat << "] user field does not match golden data" << std::endl;
+            std::cerr << rxBeat << "] dest field does not match golden data" << std::endl;
 #endif
             rxErrors--;
         }        

scripts/udp_script.tcl

@@ -23,6 +23,8 @@ set_part ${fpga_part} -tool vivado
 create_clock -period 2.5 -name default
 set_clock_uncertainty 0.2
 
+csim_design
+
 config_rtl -disable_start_propagation
 csynth_design
 export_design -rtl verilog -format ip_catalog