From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Heffner Subject: [PATCH 1/3] TCP sysctl documentation: tcp_moderate_rcvbuf Date: Mon, 26 Feb 2007 20:09:32 -0500 Message-ID: <45E384CC.2090004@psc.edu> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------070609070202080406010206" To: David Miller , netdev Return-path: Received: from mailer1.psc.edu ([128.182.58.100]:54929 "EHLO mailer1.psc.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161038AbXB0BJk (ORCPT ); Mon, 26 Feb 2007 20:09:40 -0500 Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org This is a multi-part message in MIME format. --------------070609070202080406010206 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit --------------070609070202080406010206 Content-Type: text/plain; x-mac-type="0"; x-mac-creator="0"; name="doc1.patch" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="doc1.patch" Document sysctl tcp_moderate_rcvbuf. Signed-off-by: John Heffner --- commit 4c5fd9d3a9ea8b939aed1afda2ac0fc54e3df592 tree c25c2fd01e076fbb7356a8c37d06d2e22c60f263 parent aef8811abbc9249a2bd59bd2331bbe523df05d17 author John Heffner Mon, 26 Feb 2007 19:44:58 -0500 committer John Heffner Mon, 26 Feb 2007 19:44:58 -0500 Documentation/networking/ip-sysctl.txt | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index a0f6842..a9ad96b 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -243,6 +243,12 @@ tcp_mem - vector of 3 INTEGERs: min, pressure, max Defaults are calculated at boot time from amount of available memory. +tcp_moderate_rcvbuf - BOOLEAN + If set, TCP performs receive buffer autotuning, attempting to + automatically size the buffer (no greater than tcp_rmem[2]) to + match the size required by the path for full throughput. Enabled by + default. + tcp_orphan_retries - INTEGER How may times to retry before killing TCP connection, closed by our side. Default value 7 corresponds to ~50sec-16min --------------070609070202080406010206--