[Cerowrt-devel] [OpenWrt-Devel] [RFC PATCH] packages: Smart Queue Management for AQM Packet Scheduling and Qos from CeroWrt

Dave Taht dave.taht at gmail.com
Thu Feb 12 23:46:28 EST 2015


sqm-scripts entered the openwrt package repos for chaos calmer quite
some time back.

On Thu, Feb 12, 2015 at 6:02 PM, Luis E. Garcia <luis at bitamins.net> wrote:
> Sebastian , Dave,
> Thanks for these instructions.
> I just finished a round of 3 months testing this setup on a couple of MyNet
> N750 ( AR71xx based ) in several locations.
> The feedback from users is very positive and encouraging - Most of them say
> that they feel the networks behave a lot snappier than before [ 7.5Mbps Up/
> 1Mbps Down].
>
> All I had to do was install the 3 packages over BB 14.07 :
> ip-full from the OpenWRT BB repository
> and luci-app-sqm + sam-scripts from the CeroWRT repository.
>
> Will the later two packages ever make it to the main OpenWRT package list?
> or there other packages that on the main OpenWRT distribution that can be
> used to provide this functionality? ( the 2 CeroWRT packages above make
> really simple to setup ).
>
> Regards,
> Luis Garcia
>
> On Thu, Oct 9, 2014 at 2:59 PM, Sebastian Moeller <moeller0 at gmx.de> wrote:
>>
>> Hi Luis,
>>
>>
>> On Oct 9, 2014, at 20:05 , Luis E. Garcia <luis at bitamins.net> wrote:
>>
>> > Please excuse my dumb question or just point me to the right
>> > documentation.
>> > But is there an easy way to run AQM/Codel on BB 14.07 ?? I'm running BB
>> > on a MyNETN750 that looks like it meets the HW requirements.
>>
>>         There probably is, I assume you need to install ip-full from the
>> BB repository, and then copy
>> http://snapon.lab.bufferbloat.net/~cero2/cerowrt/wndr/3.10.50-1/packages/luci-app-sqm_3-1_all.ipk
>> and
>> http://snapon.lab.bufferbloat.net/~cero2/cerowrt/wndr/3.10.50-1/packages/sqm-scripts_6-1_all.ipk
>> onto your router and try:
>> opkg install sqm-scripts_6-1_all.ipk
>> and:
>> opkg install luci-app-sqm_3-1_all.ipk
>>
>> You might need to play with opkg options, but in theory it should work…
>> There probably also is a nicer way like adding a stanza similar to:
>> src/gz toronto
>> http://snapon.lab.bufferbloat.net/~cero2/cerowrt/wndr/3.10.50-1/packages
>> to /etc/opkg.conf
>> but I do not know the exact incantation of that, maybe hnyman, or Dave
>> know the correct answer to this..
>>
>> Best Regards
>>         Sebastian
>>
>> >
>> > Regards,
>> > Luis Garcia
>> >
>> > On Thu, Oct 9, 2014 at 12:57 PM, Sebastian Moeller <moeller0 at gmx.de>
>> > wrote:
>> > Hi Richard,
>> >
>> > On Oct 9, 2014, at 18:42 , Richard Smith <smithbone at gmail.com> wrote:
>> >
>> > > On 10/06/2014 03:41 PM, Sebastian Moeller wrote:
>> > >
>> > >>>
>> > >>> I have spare routers that I can run OpenWRT or CeroWRt on and I'm
>> > >>> setup to test with netperf, netperf-wrapper on my local network (
>> > >>> desktop -> router -> laptop )  it's Gbit so I can easily saturate
>> > >>> the router.
>> > >>
>> > >> That sounds great. I think the first test should be to run SQM under
>> > >> cerowrt, so you get a feel of how things should look. I typically run
>> > >> netperf-wrapper rrul tests (for ipv4 and if available for ipv6)
>> > >> through cerowrt with different settings for SQM. A second step then
>> > >> is to instal SQM-scripts under openwrt and check whether the same
>> > >> settings produce the same results ;)
>> > >
>> > > Ok.  I'll get my spare WNDR3700v2 up running the latest cerowrt.
>> > > Should be in the next few days.  I'm a bit strapped for time right now.
>> >
>> >         No hurry, I really appreciate your help and there is no time
>> > pressure (rather the other way around, I do this for a hobby, and real life
>> > leaves almost no time for  that ;) )
>> >
>> > >
>> > >> So just let me know what you are willing/ready to test and we will
>> > >> take it from there okay? (I would already be a happy camper if you
>> > >> could just install the current SQM-scripts on openwrt and just send
>> > >> me the output of “logread” after installing and activating SQM, as
>> > >> well as the output from “tc -d qdisc” before and after enabling SQM,
>> > >> and finally the output of running “/etc/init.d/sqm stop ;
>> > >> /etc/init.d/sqm start” on the router’s console; that hopefully works
>> > >> or at least gives some indication what might be off. If you could
>> > >> throw in a quick netperf-wrapper RRUL test through the router I will
>> > >> be most delighted ;))
>> > >
>> > > Ok. That sounds like a good starter step.  First question: Where are
>> > > the current SQM scripts located and what's the process for installing them?
>> > > Are they packages or stuff that I scp over and manually install?
>> >
>> >         So the repository lives on:
>> > https://github.com/dtaht/ceropackages-3.10
>> >  I just followed Dave’s advice and used:
>> > git clone git at github.com:dtaht/ceropackages-3.3.git
>> > to get my own version to play around with. Oh, SQM basically is the work
>> > of Dave (who wrote the scripts doing the actual AQM&QOS work) and Toke you
>> > packaged all this nicely and created the GUI for it (all I ever did was
>> > shuffling the GUI around a bit). I just started hacking around the files
>> > from sqm-scripts and luck-app-sqm on my cerowrt (so I could immediately do
>> > some testing), so I never got around building actual packages (I assume you
>> > need to be setup to build whole openwrt/cerowrt images and that is outside
>> > the scope of my recreational coding), But that said if you copy the files
>> > from ceropackages-3.10/net/sqm-scripts/files to the matching directory on
>> > your router you should have a working sqm-script. Or just use a cerowrt
>> > built as SQM is standard and potentially hnyman’s build (
>> > https://forum.openwrt.org/viewtopic.php?id=28392 ) that also includes SQM.
>> >
>> > Best Regards
>> >         Sebastian
>> >
>> > >
>> > > I'll let you know when I've taken a stab at getting that working.
>> > >
>> > > > Richard A. Smith  <richard at laptop.org>
>> > > > Former One Laptop per Child
>> > >
>> > > Just FYI: I'm slowly switching my list subs over from my previous
>> > > @laptop.org address to my personal address.  Just switched this one over
>> > > thus the email address change.
>> > >
>> > > --
>> > > Richard A. Smith
>> > _______________________________________________
>> > openwrt-devel mailing list
>> > openwrt-devel at lists.openwrt.org
>> > https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
>> >
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>>
>



-- 
Dave Täht

thttp://www.bufferbloat.net/projects/bloat/wiki/Upcoming_Talks



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