Re: Regarding zerocopy implementation ...

Benjamin LaHaise (bcrl@redhat.com)
Wed, 6 Nov 2002 17:44:18 -0500

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In reply to: Robert Love: "Re: Regarding zerocopy implementation ..."

On Wed, Nov 06, 2002 at 04:46:24PM -0500, Robert Love wrote:
> On Wed, 2002-11-06 at 10:23, Manish Lachwani wrote:
> > Is there a zerocopy receive implementation in Linux? I know that FreeBSD
> > 5.0-CURRENT has such an implementation named zerocopy sockets and when used
> > with a Alteon Tigon II NIC with header splitting turned on in Firmware,
> > works well. Do we have any such implementation in Linux? Any reponse is
> > greatly appreciated ...
>
> Yes, we have zero-copy networking if the device supports the requisite
> features and the driver is so coded.

But we do not perform zero copy receives to userland yet.

-ben
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