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

Sebastian Moeller moeller0 at gmx.de
Thu Oct 9 16:59:31 EDT 2014

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
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

> 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
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