From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH net-next] tcp: add tcpi_segs_in and tcpi_segs_out to tcp_info Date: Wed, 20 May 2015 17:52:34 -0700 Message-ID: <1432169554.4060.71.camel@edumazet-glaptop2.roam.corp.google.com> References: <1430260098-14127-1-git-send-email-edumazet@google.com> <20150512130855.GA29412@localhost.localdomain> <1431462713.566.95.camel@edumazet-glaptop2.roam.corp.google.com> <1432164941.4060.57.camel@edumazet-glaptop2.roam.corp.google.com> <555D218D.50509@hp.com> <1432168631.4060.69.camel@edumazet-glaptop2.roam.corp.google.com> <555D2B49.30702@hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Marcelo Ricardo Leitner , Eric Dumazet , "David S. Miller" , netdev , Yuchung Cheng , Matt Mathis , Craig Gallek , Martin Lau , Chris Rapier To: Rick Jones Return-path: Received: from mail-ig0-f174.google.com ([209.85.213.174]:37071 "EHLO mail-ig0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753150AbbEUAwg (ORCPT ); Wed, 20 May 2015 20:52:36 -0400 Received: by igbsb11 with SMTP id sb11so53476552igb.0 for ; Wed, 20 May 2015 17:52:35 -0700 (PDT) In-Reply-To: <555D2B49.30702@hp.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 2015-05-20 at 17:48 -0700, Rick Jones wrote: > On 05/20/2015 05:37 PM, Eric Dumazet wrote: > > > Anyway, if we can send tcp data at 100Gbits on one flow, I guess we are > > doing a terrific job and do not need to tweak TCP stack anymore ;) > > :) > Note that I have no particular strong feelings with these counters being 32 or 64bits. Its adding 8 extra bytes and a bit more overhead, nothing more.