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Re: [PATCH] Ethernet Bridging: Enable Hardware Checksumming

To: "David S. Miller" <davem@xxxxxxxxxxxxx>
Subject: Re: [PATCH] Ethernet Bridging: Enable Hardware Checksumming
From: Nivedita Singhvi <niv@xxxxxxxxxx>
Date: Thu, 19 May 2005 08:13:40 -0700
Cc: jdmason@xxxxxxxxxx, shemminger@xxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <20050518.220031.75189050.davem@xxxxxxxxxxxxx>
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David S. Miller wrote:

I think this is a good thing to have, gives us performance
gain (equivalent to using/not using checksum offload) and
has very little impact on the bridging layer, and is
independent of the virtualization stuff..


I agree but keep in mind that when bridging over non-checksumming
devices it will be more expensive.  Especially for TCP.

Yep - as I just said to Herbert - perhaps worthwhile then
conditional upon support of checksum offload & SG?

thanks,
Nivedita



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