A dummy Ethernet driver

[Yar Tikhiy]

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.

-- 
Yar