From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next 0/3] tcp: fixes some congestion control corner cases Date: Thu, 09 Jul 2015 14:23:15 -0700 (PDT) Message-ID: <20150709.142315.1972696129360030817.davem@davemloft.net> References: <1436472991-16056-1-git-send-email-ycheng@google.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, vanj@google.com To: ycheng@google.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:45676 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753422AbbGIVXQ (ORCPT ); Thu, 9 Jul 2015 17:23:16 -0400 In-Reply-To: <1436472991-16056-1-git-send-email-ycheng@google.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Yuchung Cheng Date: Thu, 9 Jul 2015 13:16:28 -0700 > This patch series fixes corner cases of TCP congestion control. > First issue is to avoid continuing slow start when cwnd reaches ssthresh. > Second issue is incorrectly processing order of congestion state and > cwnd update when entering fast recovery or undoing cwnd. > > Yuchung Cheng (3): > tcp: add tcp_in_slow_start helper > tcp: do not slow start when cwnd equals ssthresh > tcp: update congestion state first before raising cwnd This helper function is long overdue, nice work. Series applied, thanks!