add prefix to avoid name collision
diff --git a/openflow_input/bsn_port_counter b/openflow_input/bsn_port_counter
index 44486c2..f3d149f 100644
--- a/openflow_input/bsn_port_counter
+++ b/openflow_input/bsn_port_counter
@@ -31,18 +31,18 @@
 #version 4
 
 enum ofp_bsn_port_counter(wire_type=uint8_t, complete=False) {
-  OFP_RX_BYTES = 0,
-  OFP_RX_PACKETS_UNICAST = 1,
-  OFP_RX_PACKETS_BROADCAST = 2,
-  OFP_RX_PACKETS_MULTICAST = 3,
-  OFP_RX_DROPPED = 4,
-  OFP_RX_ERRORS = 5,
-  OFP_TX_BYTES = 6,
-  OFP_TX_PACKETS_UNICAST = 7,
-  OFP_TX_PACKETS_BROADCAST = 8,
-  OFP_TX_PACKETS_MULTICAST = 9,
-  OFP_TX_DROPPED = 10,
-  OFP_TX_ERRORS = 11,
+  OFP_BSN_PORT_COUNTER_RX_BYTES = 0,
+  OFP_BSN_PORT_COUNTER_RX_PACKETS_UNICAST = 1,
+  OFP_BSN_PORT_COUNTER_RX_PACKETS_BROADCAST = 2,
+  OFP_BSN_PORT_COUNTER_RX_PACKETS_MULTICAST = 3,
+  OFP_BSN_PORT_COUNTER_RX_DROPPED = 4,
+  OFP_BSN_PORT_COUNTER_RX_ERRORS = 5,
+  OFP_BSN_PORT_COUNTER_TX_BYTES = 6,
+  OFP_BSN_PORT_COUNTER_TX_PACKETS_UNICAST = 7,
+  OFP_BSN_PORT_COUNTER_TX_PACKETS_BROADCAST = 8,
+  OFP_BSN_PORT_COUNTER_TX_PACKETS_MULTICAST = 9,
+  OFP_BSN_PORT_COUNTER_TX_DROPPED = 10,
+  OFP_BSN_PORT_COUNTER_TX_ERRORS = 11,
 };
 
 struct of_bsn_port_counter_stats_request : of_bsn_stats_request {