From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net 0/3] TCP BBR sampling fixes for loss recovery undo Date: Thu, 07 Dec 2017 13:07:35 -0500 (EST) Message-ID: <20171207.130735.1272656256907613869.davem@davemloft.net> References: <20171207174332.17689-1-ncardwell@google.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: ncardwell@google.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:41492 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752321AbdLGSHg (ORCPT ); Thu, 7 Dec 2017 13:07:36 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: Neal Cardwell Date: Thu, 7 Dec 2017 12:48:40 -0500 > On Thu, Dec 7, 2017 at 12:43 PM, Neal Cardwell wrote: >> This patch series has a few minor bug fixes for cases where spurious >> loss recoveries can trick BBR estimators into estimating that the >> available bandwidth is much lower than the true available bandwidth. >> In both cases the fix here is to just reset the estimator upon loss >> recovery undo. >> >> Neal Cardwell (3): >> tcp_bbr: record "full bw reached" decision in new full_bw_reached bit >> tcp_bbr: reset full pipe detection on loss recovery undo >> tcp_bbr: reset long-term bandwidth sampling on loss recovery undo >> >> net/ipv4/tcp_bbr.c | 12 ++++++++++-- >> 1 file changed, 10 insertions(+), 2 deletions(-) > > Sorry, I should have mentioned these patches are all stable candidates > and should have all carried a footer of: > > Fixes: 0f8782ea1497 ("tcp_bbr: add BBR congestion control") > > David, I can resend a v2 with that footer on each patch if you want. It is not necessary to resend. Thanks.