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

[Dan Hollis <goemon@xxxxxxxxx>]

On Tue, 15 Jul 2003, Ben Greear wrote:
> Dan Hollis wrote:
> > On Tue, 15 Jul 2003, Ben Greear wrote:
> >>I'd consider ignoring the HW accel unless you can prove it actually helps
> >>performance to a noticeable degree.  I have never seen results of any 
> >>benchmarking
> >>related to this...
> > For gigabit ethernet, it makes a *H*U*G*E* difference.
> I'm curious to see numbers.  The VLAN shim is only inserting
> a small shim header, at at most shifting the first part of the packet
> when sent a pre-built packet.
> Maybe the hw-accel turns on tcp checksumming or something too??

That is exactly what it does. hw tcp checksumming helps a LOT at gbe rates

-Dan
-- 
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