Date: Fri, 27 May 2016 08:22:49 -0700 From: Adrian Chadd <adrian.chadd@gmail.com> To: Don Lewis <truckman@freebsd.org> Cc: "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r300779 - in head: sbin/ipfw sys/modules/dummynet sys/netinet sys/netpfil/ipfw Message-ID: <CAJ-VmomRyT=QRPsJTg-VkdpoEoVGna3G6OGr4T%2B2nRRb6PjLwA@mail.gmail.com> In-Reply-To: <201605262239.u4QMdaa4012206@gw.catspoiler.org> References: <201605262140.u4QLeDsn032206@repo.freebsd.org> <201605262239.u4QMdaa4012206@gw.catspoiler.org>
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Hi, Did this introduce floating point into the kernel? -adrian On 26 May 2016 at 15:39, Don Lewis <truckman@freebsd.org> wrote: > On 26 May, To: src-committers@freebsd.org wrote: >> Author: truckman >> Date: Thu May 26 21:40:13 2016 >> New Revision: 300779 >> URL: https://svnweb.freebsd.org/changeset/base/300779 >> >> Log: >> Import Dummynet AQM version 0.2.1 (CoDel, FQ-CoDel, PIE and FQ-PIE). >> >> Centre for Advanced Internet Architectures >> >> Implementing AQM in FreeBSD >> >> * Overview <http://caia.swin.edu.au/freebsd/aqm/index.html>; >> >> * Articles, Papers and Presentations >> <http://caia.swin.edu.au/freebsd/aqm/papers.html>; >> >> * Patches and Tools <http://caia.swin.edu.au/freebsd/aqm/downloads.html>; >> >> Overview >> >> Recent years have seen a resurgence of interest in better managing >> the depth of bottleneck queues in routers, switches and other places >> that get congested. Solutions include transport protocol enhancements >> at the end-hosts (such as delay-based or hybrid congestion control >> schemes) and active queue management (AQM) schemes applied within >> bottleneck queues. >> >> The notion of AQM has been around since at least the late 1990s >> (e.g. RFC 2309). In recent years the proliferation of oversized >> buffers in all sorts of network devices (aka bufferbloat) has >> stimulated keen community interest in four new AQM schemes -- CoDel, >> FQ-CoDel, PIE and FQ-PIE. >> >> The IETF AQM working group is looking to document these schemes, >> and independent implementations are a corner-stone of the IETF's >> process for confirming the clarity of publicly available protocol >> descriptions. While significant development work on all three schemes >> has occured in the Linux kernel, there is very little in FreeBSD. >> >> Project Goals >> >> This project began in late 2015, and aims to design and implement >> functionally-correct versions of CoDel, FQ-CoDel, PIE and FQ_PIE >> in FreeBSD (with code BSD-licensed as much as practical). We have >> chosen to do this as extensions to FreeBSD's ipfw/dummynet firewall >> and traffic shaper. Implementation of these AQM schemes in FreeBSD >> will: >> * Demonstrate whether the publicly available documentation is >> sufficient to enable independent, functionally equivalent implementations >> >> * Provide a broader suite of AQM options for sections the networking >> community that rely on FreeBSD platforms >> >> Program Members: >> >> * Rasool Al Saadi (developer) >> >> * Grenville Armitage (project lead) >> >> Acknowledgements: >> >> This project has been made possible in part by a gift from the >> Comcast Innovation Fund. >> >> Submitted by: Rasool Al-Saadi <ralsaadi@swin.edu.au> >> X-No objection: core >> MFC after: 2 weeks >> Differential Revision: https://reviews.freebsd.org/D6388 > > Sigh ... should also be: > > Relnotes: yes > >
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