From owner-svn-src-all@FreeBSD.ORG Sat Jan 10 22:04:20 2015 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D6059665; Sat, 10 Jan 2015 22:04:19 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id C1F0F98F; Sat, 10 Jan 2015 22:04:19 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t0AM4JY8087481; Sat, 10 Jan 2015 22:04:19 GMT (envelope-from gjb@FreeBSD.org) Received: (from gjb@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id t0AM4JRI087479; Sat, 10 Jan 2015 22:04:19 GMT (envelope-from gjb@FreeBSD.org) Message-Id: <201501102204.t0AM4JRI087479@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: gjb set sender to gjb@FreeBSD.org using -f From: Glen Barber Date: Sat, 10 Jan 2015 22:04:19 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r276933 - in head/release/doc: en_US.ISO8859-1/relnotes share/xml X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 10 Jan 2015 22:04:20 -0000 Author: gjb Date: Sat Jan 10 22:04:18 2015 New Revision: 276933 URL: https://svnweb.freebsd.org/changeset/base/276933 Log: Document r272720, PLPMTUD blackhole detection (RFC 4821). Add Limelight Networks to sponsors.ent. Sponsored by: The FreeBSD Foundation Modified: head/release/doc/en_US.ISO8859-1/relnotes/article.xml head/release/doc/share/xml/sponsor.ent Modified: head/release/doc/en_US.ISO8859-1/relnotes/article.xml ============================================================================== --- head/release/doc/en_US.ISO8859-1/relnotes/article.xml Sat Jan 10 22:04:15 2015 (r276932) +++ head/release/doc/en_US.ISO8859-1/relnotes/article.xml Sat Jan 10 22:04:18 2015 (r276933) @@ -290,6 +290,81 @@ Support for the IPX network transport protocol has been removed, and will not be supported in &os; 11 and later releases. + + Support for PLPMTUD + blackhole detection (RFC 4821) has been + added to the &man.tcp.4; stack, disabled by default. New + control tunables have been added: + + + + + + + + Tunable + Description + + + + + + net.inet.tcp.pmtud_blackhole_detection + Enables or disables PLPMTUD + blackhole detection + + + + net.inet.tcp.pmtud_blackhole_mss + MSS to try for IPv4 + + + + net.inet.tcp.v6pmtud_blackhole_mss + MSS to try for IPv6 + + + + + + New monitoring &man.sysctl.8;s haven been added: + + + + + + + + Tunable + Description + + + + + + net.inet.tcp.pmtud_blackhole_activated + Number of times the code was activated to attempt + downshifting the MSS + + + + net.inet.tcp.pmtud_blackhole_min_activated + Number of times the blackhole + MSS was used in an attempt to + downshift + + + + net.inet.tcp.pmtud_blackhole_failed + Number of times that the blackhole failed to + connect after downshifting the + MSS + + + + + Modified: head/release/doc/share/xml/sponsor.ent ============================================================================== --- head/release/doc/share/xml/sponsor.ent Sat Jan 10 22:04:15 2015 (r276932) +++ head/release/doc/share/xml/sponsor.ent Sat Jan 10 22:04:18 2015 (r276933) @@ -23,6 +23,7 @@ +