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【转】vxworks 网络驱动

VxWorks网络驱动配置及分析
VxWorks支持两种形式的网络驱动,一种是BSD驱动支持通用的BSD4.4网络,API,结构等和大多数BSD网络的驱动类似.另一种是END网络驱动,是VxWorks独有的,根据VxWorks MUX接口编程,不过END驱动在底层也要转换成BSD的形式.

　

VxWorks网络驱动可参见VxWorks网络驱动

　

1.BSD4.4网络驱动设置.

网络设备驱动的调用主要在/target/src/config/usrNetwork.c文件中,下面说明BSD4.4驱动在VxWorks系统调用.

主要调用过程如下:

VxWorks系统执行的第一个任务target\config\all\usrConfig.c文件中 usrRoot()=======>>target\src\config\usrNetwork.c文件中的usrNetInit
( )通过数组表netIf[]初始化相应的BSD网卡驱动.

在usrNetwork.c中的调用过程如下:

usrNetInit()函数中调用usrNetIfAttach():

#ifdef INCLUDE_BSD
if (!attached)
{
if ( (usrNetIfAttach (pNetDev, params.unitNum, pBootString) !=OK))
return (ERROR);
attached = TRUE;
}

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