Re: [Bonding-devel] Re: [RFC][bonding] Improve VLAN support on top of bonding

[Dan Hollis <goemon@xxxxxxxxx>]

On Tue, 15 Jul 2003, Ralph Doncaster wrote:
> On Tue, 15 Jul 2003, Dan Hollis wrote:
> > That is exactly what it does. hw tcp checksumming helps a LOT at gbe rates
> This still doesn't make any sense.  The copy from user-space to kernel
> space does the checksum as far as I recall (unless you use the
> router-not-host kernel build option).

except that 2.5.x has zerocopy and I believe NFS supports it now as well

fwiw I believe sendfile() implementation was motivated a lot by hw csum 
support...

-Dan
-- 
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