netdev - Network driver "test suite"

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Date:   Wed, 12 Apr 2017 10:16:17 +1000
From:   Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:     netdev@...r.kernel.org
Subject: Network driver "test suite"

Hi folks !

Does anybody knows of an existing kind of automated "test suite" for a
network/ethernet driver ?

IE. Something we could run both on the "tested" driver and a cross-over 
"known good" peer (possibly the latter set to promisc & no offload for
proper analysis), that would out the driver through a whole bunch of
tests, such as verifying the checksum offload on a various combinations
of headers lenghts and encapsulation, vlan stuff, multicast filters,
etc... ?

I've hacking on a driver recently and ended up "manually" testing a
bunch of these things using a palette of tools (iperf, nuttcp, some
multicast hack I have around, etc... along with tcpdump) but it feels
like this is the kind of things that could be greatly automated.

Cheers,
Ben.