[Click] C++ vs the kernel

[Eddie Kohler]

Try looking at and then running CLICK/conf/test-tun.click .


Adam M wrote:
> On Tue, 24 Jul 2007 13:10:20 -0700, "Eddie Kohler" <kohler at cs.ucla.edu>
> said:
>> They are certainly useful for that purpose.  However, the kernel will 
>> also process all packets that are handed to KernelTap/Tun.  One would 
>> need to install firewall rules telling the kernel to ignore the packets 
>>   except to send them to KernelTap/Tun.  I'd love to include an element 
>> that did this automatically, if someone wrote one.
> 
> 
> I think this is where I need to focus my efforts. We've used virtual
> interfaces before to create something of a plug-and-play network stack,
> but nothing nearly as sophisticated as Click.
> 
> Do you have a reference for a more comprehensive discussion on using
> KernelTap/Tun? Maybe even an example?
> 
> 
> Thanks again,
> Adam