From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] tcp: report ECN_SEEN in tcp_info Date: Mon, 03 Oct 2011 14:01:31 -0400 (EDT) Message-ID: <20111003.140131.2250612091091726831.davem@davemloft.net> References: <1317357897.3274.11.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: shemminger@vyatta.com, netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([198.137.202.13]:36957 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756719Ab1JCSBe (ORCPT ); Mon, 3 Oct 2011 14:01:34 -0400 In-Reply-To: <1317357897.3274.11.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Fri, 30 Sep 2011 06:44:57 +0200 > Allows ss command (iproute2) to display "ecnseen" if at least one packet > with ECT(0) or ECT(1) or ECN was received by this socket. > > "ecn" means ECN was negociated at session establishment (TCP level) > > "ecnseen" means we received at least one packet with ECT fields set (IP > level) > > ss -i > ... > ESTAB 0 0 192.168.20.110:22 192.168.20.144:38016 > ino:5950 sk:f178e400 > mem:(r0,w0,f0,t0) ts sack ecn ecnseen bic wscale:7,8 rto:210 > rtt:12.5/7.5 cwnd:10 send 9.3Mbps rcv_space:14480 > > Signed-off-by: Eric Dumazet Applied, thanks Eric.