This paper introduces the embedded VPN gateway ESG-1 and discusses the design outlines of device driver program for the PCI Ethernet adapter based on RTEMS.

• 介绍了嵌入式VPN网关ESG-1的基本情况,讨论了RTEMS的PCI网卡驱动程序的设计要点:采用服务线程进行网络中断处理;