是现在非常流行的network processor上的微代码的编程，是其中基于最新的IXP2850的crypto units的ipsec的一个例子，告诉大家如何利用已有的宏以及调用硬件资源。-is now very popular network processor on the micro-code programming. which is based on the latest IXP2850 the crypto units of the ipsec an example, tell you how to make use of the call-and hardware resources.