diff --git a/p4src/minip4_solution.p4 b/p4src/minip4_solution.p4
index fd22643..0ce29d9 100644
--- a/p4src/minip4_solution.p4
+++ b/p4src/minip4_solution.p4
@@ -62,16 +62,22 @@ parser TopParser(packet_in packet,
 
 /********************************************************************************
  * Main
- */
-control TopPipe(inout Parsed_packet p,
-                inout user_metadata_t user_metadata,
+*/
+
+// control TopPipe(inout Parsed_packet p,
+//                 inout user_metadata_t user_metadata,
+//                 inout digest_data_t digest_data,
+//                 inout sume_metadata_t sume_metadata) {
+
+control TopPipe(inout headers hdr,
+                inout metadata meta,
                 inout digest_data_t digest_data,
                 inout sume_metadata_t sume_metadata) {
 
     action swap_eth_addresses() {
-        EthAddr_t temp = p.ethernet.dstAddr;
-        p.ethernet.dstAddr = p.ethernet.srcAddr;
-        p.ethernet.srcAddr = temp;
+        EthAddr_t temp = hdr.ethernet.dstAddr;
+        hdr.ethernet.dstAddr = hdr.ethernet.srcAddr;
+        hdr.ethernet.srcAddr = temp;
 
         /* set egress port */
         sume_metadata.dst_port = sume_metadata.src_port;
@@ -94,12 +100,12 @@ control TopPipe(inout Parsed_packet p,
     }
 
     action do_nothing() {
-        EthAddr_t temp = p.ethernet.dstAddr;
+        EthAddr_t temp = hdr.ethernet.dstAddr;
     }
 
     table lookup_table {
         key = {
-            p.ethernet.dstAddr: exact;
+            hdr.ethernet.dstAddr: exact;
         }
 
         actions = {
@@ -124,13 +130,22 @@ control TopPipe(inout Parsed_packet p,
  */
 
 @Xilinx_MaxPacketRegion(1024)
-control TopDeparser(packet_out b,
-                    in Parsed_packet p,
-                    in user_metadata_t user_metadata,
+control TopDeparser(packet_out packet,
+                    in headers hdr,
+                    in metadata meta,
                     inout digest_data_t digest_data,
                     inout sume_metadata_t sume_metadata) {
+
+// @Xilinx_MaxPacketRegion(1024)
+// control TopDeparser(packet_out b,
+//                     in Parsed_packet p,
+//                     in user_metadata_t user_metadata,
+//                     inout digest_data_t digest_data,
+//         inout sume_metadata_t sume_metadata) {
+
+
     apply {
-        b.emit(p.ethernet);
+        packet.emit(hdr.ethernet);
     }
 }