On Tue, 2006-06-20 at 14:55 +0800, Heng Du wrote:
> Hi all,
>
> I want to know if there is an existing patch to e1000 network driver
> to enable zero copy.
> If so, can you share me with it?
> If not, is it accepable if I submit a patch?
> Many thanks
Hi,
The e1000 driver supports zero copy for sending already for a long time
(if I remember correctly, since 2.4.3 kernel or so) already. Zero copy
receive is a much harder issue, and for that you need more
infrastructure; I think the IOAT patches that got merged last night in
the post-2.6.17 tree will help for that, but I do not know if what got
merged is sufficient already for full support.
I hope this answers your question; if not I would like to ask you to
explain in more detail what you mean by "enable zero copy"...
Greetings,
Arjan van de Ven
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