From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nivedita Singhvi Subject: Re: [PATCH] Ethernet Bridging: Enable Hardware Checksumming Date: Thu, 19 May 2005 08:13:40 -0700 Message-ID: <428CAD24.904@us.ibm.com> References: <20050518235329.GA17946@us.ibm.com> <428BD7E7.5080207@us.ibm.com> <20050518.220031.75189050.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: jdmason@us.ibm.com, shemminger@osdl.org, netdev@oss.sgi.com Return-path: To: "David S. Miller" In-Reply-To: <20050518.220031.75189050.davem@davemloft.net> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org 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