From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: GSO and IPv4 forwarding
Date: Tue, 26 Oct 2010 22:43:28 +0200
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To: Kevin Wilson <wkevils@gmail.com>
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Le mardi 26 octobre 2010 =C3=A0 22:26 +0200, Kevin Wilson a =C3=A9crit =
:
> Hi,
> Thanks a lot for your quick answer, I appreciate it (and did not
> expect it to be so quick!)
>=20
> Can someone please explain in 2-3 short sentences Why GRO can be
> forwarded and LRO cannot be forwarded ?

Well, GRO is a pure software thing, completely handled in linux stack,
not driver specific. Its design included forwarding ability, LRO did
not.

http://lwn.net/Articles/311357/