Question

linux网络驱动问题，高手请进！

我现在要做嵌入式下的3G网络通信，不知道都要学习哪些方面的知识？据说TCP/IP协议必须掌握，linux内核的接口也要懂，还有就是CGI？希望过来的大虾们给点指点！不胜感激

Answer 1

虽然不清楚，不过楼主你可以去看看这些视频希望对你有帮助
Linux学习建议http://you.video.sina.com.cn/a/2141327-1320045357.html

Linux学习建议1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=2141327&uid=1320045357&t=1#16520291
Linux学习建议2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=2141327&uid=1320045357&t=1#16525412
Linux学习建议3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=2141327&uid=1320045357&t=1#16520333

Linux入门基础课程 http://you.video.sina.com.cn/a/1544927-1320045357.html

Linux学习方法二-----尚观入学前免费Linux课程 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#11620270
Linux学习方法之三---...学前免费Linux基础课程 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#11621587
Linux最佳入门教程六-RHEL5安装 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#11633451
linux最佳入门系列-bash编程基础 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#12155782
尚观讲座之C语言指针 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#14072212
Linux下J2EE服务器配置与集群-尚观讲座。http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#14675886
Linux安全机制，尚观Linux培训 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#11619396
尚观linux安全DDOS攻击防范（一）http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#7145242
Linux最佳入门教程三 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#11632447
Linux最佳入门教程四 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#11631234
Linux最佳入门教程五 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#11631388
Linux最佳入门教程五-RHEL4安装（一） http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#11632917
Linux最佳入门教程五-RHEL4安装（二） http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544927&uid=1320045357&t=1#11631876

尚观ULE课程专辑http://you.video.sina.com.cn/a/1544904-1320045357.html

UNIX like系统的特点1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16532350
UNIX like系统的特点2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16532416
UNIX like系统的特点3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16527497
UNIX like系统的特点4 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16532552
RHEL4 安装1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16532700
RHEL4 安装2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16532778
RHEL4 安装3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16527879
UNIX原则 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16528023
系统结构与终端控制台1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16528259
系统结构与终端控制台2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16528383
系统结构与终端控制台3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16533430
系统命令初步1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16528981
系统命令初步2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16534044
系统命令初步3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16529111

文件相关命令初步1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16533840
文件相关命令初步2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16528873
文件相关命令初步3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16533918
Linux下寻求帮助1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16528649
Linux下寻求帮助2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16528727
Linux下寻求帮助3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16533774
RHEL5 Linux安装1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16528533
RHEL5 Linux安装2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16533558
文件夹属性及umask1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16537555
文件夹属性及umask2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16537607
文件夹属性及umask3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16542772
文件夹属性及umask4 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16537701
文件属性1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16542544
文件属性2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16537449
用户及组管理初步1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16534206
用户及组管理初步2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16534284

shell脚本及交互1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16547424
shell脚本及交互2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16542221
bash运算符及启动脚本1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16541819
bash运算符及启动脚本2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16541861
bash运算符及启动脚本3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16541891
进程控制1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16546186
进程控制2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16546264
进程控制3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16546392
进程优先级前台后台 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16546616
bash变量快捷键1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#17160115
bash变量快捷键2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16541701
输入输出重定向及管道1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16540819
输入输出重定向及管道2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16540859
文本处理及正则表达式1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16543106
文本处理及正则表达式2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16545924
文本处理及正则表达式3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16546024
linux下X图形显示体系1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16543718
linux下X图形显示体系2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16538635
linux下X图形显示体系3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16543768
Linux查找及压缩1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16545606
Linux查找及压缩2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16537913
Linux查找及压缩3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16545668
Linux查找及压缩4 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16540473
安装软件2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16538585
Linux安装软件1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16538555
shell脚本流程控制1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16548900
shell脚本流程控制2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16538485
shell脚本流程控制3 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16543614
Linux编辑器及VIM初步1 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16543146
Linux编辑器及VIM初步2 http://you.video.sina.com.cn/pg/topicdetail/topicPlay.php?tid=1544904&uid=1320045357&t=1#16543226

Answer 2

先熟悉linux网络设备的驱动模型，自己先参考一些资料，弄个能简单收包发包的驱动出来，设备注册，中断，收包，发包。
然后以此为突破口，往下熟悉硬件，往上熟悉linux内核，协议栈。
TCP／IP协议方面不一定把里面的算法都搞的很清楚，但是数据包在协议栈里面的流程要很清楚