From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Subject: Re: Getting physical packet counts with LRO enabled with ixgbe? Date: Fri, 25 Sep 2009 14:50:44 -0700 Message-ID: <4ABD3B34.8010903@candelatech.com> References: <20090925214505.GA3472@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Peter P Waskiewicz Jr , netdev@vger.kernel.org To: Herbert Xu Return-path: Received: from mail.candelatech.com ([208.74.158.172]:47033 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752592AbZIYVwu (ORCPT ); Fri, 25 Sep 2009 17:52:50 -0400 In-Reply-To: <20090925214505.GA3472@gondor.apana.org.au> Sender: netdev-owner@vger.kernel.org List-ID: On 09/25/2009 02:45 PM, Herbert Xu wrote: > Peter P Waskiewicz Jr wrote: >> >>> That's a bummer. I'm guessing you might get close to right on average with some >>> trivial math, but if someone is sending you pkts with size of 1000 and >>> your MTU is 1500, would there be any way to tell that the pkts were originally >>> 1000 bytes instead of 1500? >> >> Good point. > > Well if you did GRO instead of LRO then none of this would matter :) I get aggregate 18Gbps with LRO v/s 12Gbps without, so it's very much a useful feature for me. Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com