//go:build with_low_memory package pool const ( // RelayBufferSize using for tcp // io.Copy default buffer size is 32 KiB RelayBufferSize = 16 * 1024 // UDPBufferSize using for udp // Most UDPs are smaller than the MTU, and the TUN's MTU // set to 9000, so the UDP Buffer size set to 16Kib UDPBufferSize = 8 * 1024 )