Where does NIC driver lies in freebsd kernel ?

[manish gautam]

Hello Sir !
 
Sir i facing some silly problems , problems are ::
 
1.  Where does source code of NIC driver lies on my freebsd 4.7 kernel ?
 
2.  Can you please provide me some examples of implementing netgraph
     nodes ( if possible send some helpful links also )
 
Please reply soon.......
 
best regards
 
manish

Yahoo! India Mobile: Ringtones, Wallpapers, Picture Messages and more.Download now.