In article <5F935DB2-4DE5-11D9-8566-000A957650EC@shagadelic.org>,
Jason Thorpe <thorpej@shagadelic.org> wrote:
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>On Dec 13, 2004, at 6:58 AM, Manuel Bouyer wrote:
>
>> I was also thinking about adding a link2 flag to tun(4) to turn on 
>> ethernet
>> emulation. I don't know how this would play with the ethernet layer.
>> I think an ethernet device needs to be registered here at creation 
>> time,
>> and can't be attached/detached from the ethernet layer at a later time.
>> But I didn't look deeply at this.
>
>How about using ifmedia to determine the link type to emulate in tun?

Yes, that would be best.

>I think it's silly to have tun and ethfoo in the tree... and I think 
>ethfoo is a bad name for something that's not merely an example.

I agree, and I would like to see tun enhanced to encapsulate ethfoo
(tap) functionality. Can someone summarize the options, their
advantages/disadvantages, and which OS does what so that we can
decide what to do?

christos