A dummy Ethernet driver

[gnn at freebsd.org]

At Wed, 21 Mar 2007 23:19:36 +0300,
Yar Tikhiy wrote:
> 
> Hi folks,
> 
> We have disc(4) for testing and benchmarking.  However, it's a
> loopback driver, so such things as vlan or bridge cannot attach to
> it.  I needed a similar dummy interface mimicing Ethernet and failed
> to find a ready solution.  I tried ng_eiface+ng_hole, but it just
> couldn't keep up with gigabit rates.  So I knocked up a new dummy
> driver, edsc(4): Ethernet discard interface.  I'd like to commit it
> if there are no objections.  Then it could also serve as the bones
> of an Ethernet driver for those who study kernel internals or want
> to write a new driver.
> 
Works for me and it ought to be able to be the "documentation"
interface as well.  As in we try to document the (pick expletive) out
of it.  

Best,
George