tun: windows: packetNum is unused

diff --git a/tun/tun_windows.go b/tun/tun_windows.go
index 1de74e688657c203c0749f69ee7ccf4b10c28dfc..543482eb2bfa656432b94f18ec5c90702f23cb5e 100644 (file)
--- a/tun/tun_windows.go
+++ b/tun/tun_windows.go
@@ -35,7 +35,6 @@ type exchgBufRead struct {
 type exchgBufWrite struct {
        data      [packetExchangeSize]byte
        offset    uint32
-       packetNum uint32
 }
 
 type NativeTun struct {
@@ -314,7 +313,6 @@ func (tun *NativeTun) Flush() error {
                return nil
        }
        defer func() {
-               tun.wrBuff.packetNum = 0
                tun.wrBuff.offset = 0
        }()
        retries := maybeRetry(1000)
@@ -375,7 +373,6 @@ func (tun *NativeTun) putTunPacket(buff []byte) error {
        packet = packet[packetExchangeAlignment : packetExchangeAlignment+size]
        copy(packet, buff)
 
-       tun.wrBuff.packetNum++
        tun.wrBuff.offset += pSize
 
        return nil