packet IO stat metric rename

src/packet_io/packet_io.h

@@ -12,37 +12,37 @@ extern "C"
 struct __attribute__((aligned(64))) packet_io_stat
 {
     // device packet
-    uint64_t dev_rx_pkts;
-    uint64_t dev_rx_bytes;
+    uint64_t pkts_rx;
+    uint64_t bytes_rx;
 
-    uint64_t dev_tx_pkts;
-    uint64_t dev_tx_bytes;
+    uint64_t pkts_tx;
+    uint64_t bytes_tx;
 
     // keep-alive packet
     uint64_t keep_alive_pkts;
     uint64_t keep_alive_bytes;
 
     // raw packet
-    uint64_t raw_rx_pkts;
-    uint64_t raw_rx_bytes;
+    uint64_t raw_pkts_rx;
+    uint64_t raw_bytes_rx;
 
-    uint64_t raw_tx_pkts;
-    uint64_t raw_tx_bytes;
+    uint64_t raw_pkts_tx;
+    uint64_t raw_bytes_tx;
 
     // drop packet
-    uint64_t drop_pkts;
-    uint64_t drop_bytes;
+    uint64_t pkts_dropped;
+    uint64_t bytes_dropped;
 
     // inject packet
-    uint64_t inject_pkts;
-    uint64_t inject_bytes;
+    uint64_t pkts_injected;
+    uint64_t bytes_injected;
 
     // ctrl packet
-    uint64_t ctrl_rx_pkts;
-    uint64_t ctrl_rx_bytes;
+    uint64_t ctrl_pkts_rx;
+    uint64_t ctrl_bytes_rx;
 
-    uint64_t ctrl_tx_pkts;
-    uint64_t ctrl_tx_bytes;
+    uint64_t ctrl_pkts_tx;
+    uint64_t ctrl_bytes_tx;
 };
 
 enum packet_io_mode