From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCHv5 net-next 0/4] Improvements for TCP PMTU Date: Fri, 06 Mar 2015 14:58:20 -0500 (EST) Message-ID: <20150306.145820.1068836486161480022.davem@davemloft.net> References: <1425611905-28503-1-git-send-email-fan.du@intel.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jheffner@psc.edu, edumazet@google.com, netdev@vger.kernel.org, fengyuleidian0615@gmail.com To: fan.du@intel.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:55416 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750933AbbCFT6W (ORCPT ); Fri, 6 Mar 2015 14:58:22 -0500 In-Reply-To: <1425611905-28503-1-git-send-email-fan.du@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Fan Du Date: Fri, 6 Mar 2015 11:18:21 +0800 > This patchset performs some improvements and enhancement > for current TCP PMTU as per RFC4821 with the aim to find > optimal mms size quickly, and also be adaptive to route > changes like enlarged path MTU. Then TCP PMTU could be > used to probe a effective pmtu in absence of ICMP message > for tunnels(e.g. vxlan) across different networking stack. > > Patch1/4: Set probe mss base to 1024 Bytes per RFC4821 > Patch2/4: Do not double probe_size for each probing, > use a simple binary search to gain maximum performance. > mss for next probing. > Patch3/4: Create a probe timer to detect enlarged path MTU. > Patch4/4: Update ip-sysctl.txt for new sysctl knobs. > > Changelog: ... Series applied, thanks.