基于Linux的网络设备高效驱动程序的开发技术  

Development Technology of Network Driver with High Efficiency Based on Linux

作　　者：徐沛[1] 黄俊[1] 

机构地区：[1]重庆邮电大学信号与信息处理重点实验室,重庆400065

出　　处：《电光系统》2011年第4期54-58,共5页Electronic and Electro-optical Systems

摘　　要：传统的Linux网络驱动程序对于高数据传输速率的支持有局限性，本文提出一种改进的网络设备驱动开发技术，可提高数据包处理性能。本文首先介绍了Linux网络设备驱动程序的架构，接着通过分析影响网络设备数据传输效率的因素提出了优化方案，最后根据优化方案设计实现了高效率的Linux网络驱动程序，达到了提高数据传输效率的目标。For the high data transmission rate, the support of traditional Linux network driver is limited. This paper presents an improved technology of network device driver, which can improve the performance of packet processing. Firstly, this paper introduces the framework of Linux network device driver. And then it analyzes the factors that impacts network equipment data transmission efficiency and presents optimization schemes. Finally, based on the optimization scheme, a Linux network driver with high efficiency is designed, meeting the target of enhancing data transmission efficiency.

关 键 词：LINUX 网络设备驱动程序 传输效率 内存映射 NAPI 

分 类 号：TP751.1[自动化与计算机技术—检测技术与自动化装置]