| To: | Nivedita Singhvi <niv@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH] Ethernet Bridging: Enable Hardware Checksumming |
| From: | Stephen Hemminger <shemminger@xxxxxxxx> |
| Date: | Thu, 19 May 2005 13:34:37 -0700 |
| Cc: | "David S. Miller" <davem@xxxxxxxxxxxxx>, jdmason@xxxxxxxxxx, netdev@xxxxxxxxxxx |
| In-reply-to: | <428CAD24.904@us.ibm.com> |
| Organization: | Open Source Development Lab |
| References: | <20050518235329.GA17946@us.ibm.com> <428BD7E7.5080207@us.ibm.com> <20050518.220031.75189050.davem@davemloft.net> <428CAD24.904@us.ibm.com> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
On Thu, 19 May 2005 08:13:40 -0700 Nivedita Singhvi <niv@xxxxxxxxxx> wrote: > 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? What about mixed device bridges? |
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