From mboxrd@z Thu Jan 1 00:00:00 1970 From: Neal Cardwell Subject: [PATCH net 0/3] TCP BBR sampling fixes for loss recovery undo Date: Thu, 7 Dec 2017 12:43:29 -0500 Message-ID: <20171207174332.17689-1-ncardwell@google.com> Cc: netdev@vger.kernel.org, Neal Cardwell To: David Miller Return-path: Received: from mail-yw0-f194.google.com ([209.85.161.194]:35267 "EHLO mail-yw0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753172AbdLGRng (ORCPT ); Thu, 7 Dec 2017 12:43:36 -0500 Received: by mail-yw0-f194.google.com with SMTP id m81so3260210ywd.2 for ; Thu, 07 Dec 2017 09:43:36 -0800 (PST) Sender: netdev-owner@vger.kernel.org List-ID: 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(-) -- 2.15.1.424.g9478a66081-goog