Messages in this thread | | | Date | Mon, 18 Apr 2005 08:35:07 +0300 | From | Avi Kivity <> | Subject | Re: More performance for the TCP stack by using additional hardware chip on NIC |
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David S. Miller wrote:
>On Sun, 17 Apr 2005 13:29:14 +0300 >Avi Kivity <avi@argo.co.il> wrote: > > > >>TOEs can remove the data copy on receive. In some applications (notably >>storage), where the application does not touch most of the data, this is >>a significant advantage that cannot be achieved in a software-only >>solution. >> >> > >You don't need to offload the TCP stack to make this case get >zero-copy behavior. > > yes, Willy Tarreau outlined how buffering on the nic and splitting the dma can achieve zero copy.
are there any adapters out there which work this way?
-- Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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