一个微型网络过滤驱动，适合进行网络安全研究的朋友。-A micro-network filter driver for the network security research friends.

tid网络编码，与驱动相关的代码。功能简明了。是一个学习的好例程。-tid network coding, drive-related code. The function is condensed. It is a good learning routines.