Ethernet (Raw)

[Joel Sherrill]

gregory.menke at gsfc.nasa.gov wrote:
> 
> Erwin Rol writes:
>  > On Tue, 2003-03-25 at 18:12, Joel Sherrill wrote:
>  >
>  > > Look for tap in the networking guide and see if that helps.  I don't
>  > > know if it is far enough into the stack to help.
>  >
>  > The TAP interface is only the receiving part ( right ? ). I hacked up
>  > something like that for RTEMS 4.0 too, the problem was sending raw (or
>  > almost raw , IPX) frames.
>  >
> 
> Its right above the driver itself- its a raw ethernet frame.
> Depending on the if_tap function's return value, the packet is either
> passed to the tcp/ip stack or discarded.

Does the standard FreeBSD stack have a facility like this that was
not enabled/ported?

If not, then can the tap design/interface be used as a model to
provide the write side?

> Gregm

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel at OARcorp.com                 On-Line Applications Research
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