[Commotion-discuss] Some pre-experimentation mesh hardware inquiries

Charles Wyble charles-lists at knownelement.com
Wed Feb 27 19:19:38 UTC 2013


Why not just partner up with fabfi? 

Ben West <ben at gowasabi.net> wrote:

>This is exactly the approach Open Mesh has taken with their proprietary
>NG
>firmware, i.e. a closed-source daemon to do all the mesh/dashboard
>housekeeping stuff.  The NG images hardly weigh in at 2MB now.
>
>I've taken several stabs at trying to prune down previous iterations of
>Commotion (i.e. pre DR1) to 4MB, while retaining the luci web UI, by
>having
>the luci sources compressed or pre-compiled, by removing IPv6 support,
>and
>by lots of other little snips and cuts to extraneous packages, but so
>far
>no luck.
>
>Both luci and openssl support seem to guarantee the images will be
>larger
>than 4MB.  If you are to the point of writing a daemon in C, it may
>also
>become worthwhile to either incorporate a very basic HTTP server into
>that
>daemon (which is what coovachilli does) or incorporate bindings to
>uhttpd.
>Probably the latter could be done with reasonable effort.
>
>On Wed, Feb 27, 2013 at 12:04 PM, Josh King <jking at chambana.net> wrote:
>
>> Yes, and even the Fonera 2100 still has 8MB of flash. The image would
>> actually have to pruned down to something significantly less than 4MB
>> in order to accomodate the JFFS2 partition in additon to the squashfs
>> one. So we're actually looking at something closer to 2-3MB. We'll
>see
>> how small we can get it, and having so much more of it as C binaries
>> should hopefully make it more compact, but my feeling is that it will
>> probably turn out that 4MB of flash is just too small to be able to
>> support. Anyway, we'll see how it turns out once we have AA-based
>> testing images.
>>
>> On Wed 27 Feb 2013 12:44:20 PM EST, Ben West wrote:
>> > I don't have any current versions of the 'minimal' ath5k-based
>Commotion
>> > images, besides those listed below:
>> >
>> >
>>
>http://info.gowasabi.net/commotion-openwrt/openwrt/bin/atheros-ar2315-minimal/
>> > Circa OpenWRT r31693, from Summer last year
>> >
>> >
>>
>http://info.gowasabi.net/commotion-openwrt-new/openwrt/bin/atheros-ar2315-minimal/
>> > Like above, but with a newer kernel and compat-wireless library
>> backported
>> >
>> > All of these imageshould have the root pwd pre-set to
>r0ot56c0MM0t10N .
>> >
>> > The only image I tested successfully were the older of the two
>version
>> > listed above, on a FONera 2100.  Still, I have posted the config
>file I
>> > used to build both versions, so that you can try building your own.
>> >
>> >
>>
>http://info.gowasabi.net/commotion-openwrt/openwrt/atheros-ar2315.minimal.config
>> >
>>
>http://info.gowasabi.net/commotion-openwrt-new/openwrt/atheros-ar2315.minimal.config
>> >
>> > Please note the ath5k (aka atheros) images will not run on a WRT54G
>> > (brcm47xx-based) or on the TP-Link (ath9k-based).
>> >
>> > It should be straightforward (although tedious) to prune down the
>current
>> > package set for DR1 Commotion to get a ~4MB sized image in
>squashfs.
>> > Although, you would likely have to axe potentially useful features,
>e.g.
>> > IPV6 support or Luci web UI.
>> >
>> > Also, do be mindful of the RAM limitation for older devices like a
>> WRT54G,
>> > which has only 16MB of memory.  The recent incorporation of the
>zram
>> > package into OpenWRT trunk may allow operation on such RAM-bound
>devices,
>> > but to date I have *not* been able to run the v3.x kernel reliably
>on
>> these
>> > units.  And the OpenWRT dev team also doesn't expect it to,
>> unfortunately.
>> >
>> > On Wed, Feb 27, 2013 at 10:40 AM, Chris Ritzo
><chris.ritzo at gmail.com>
>> wrote:
>> >
>> >> This post in the commotion-dev archives has info about minimal
>images
>> that
>> >> Ben West compiled. This might be useful for the TP Link routers or
>> others
>> >> with lower system resources.
>> >>
>> >>
>>
>https://lists.chambana.net/pipermail/commotion-dev/2013-January/001001.html
>> >>
>> >>
>> >
>> >
>> >
>> > _______________________________________________
>> > Commotion-discuss mailing list
>> > Commotion-discuss at lists.chambana.net
>> > https://lists.chambana.net/mailman/listinfo/commotion-discuss
>>
>> --
>> Josh King
>>
>> "I am an Anarchist not because I believe Anarchism is the final goal,
>> but because there is no such thing as a final goal." -Rudolf Rocker
>>
>>
>
>
>-- 
>Ben West
>http://gowasabi.net
>ben at gowasabi.net
>314-246-9434
>
>
>------------------------------------------------------------------------
>
>_______________________________________________
>Commotion-discuss mailing list
>Commotion-discuss at lists.chambana.net
>https://lists.chambana.net/mailman/listinfo/commotion-discuss

-- 
Sent from my Android phone with K-9 Mail. Please excuse my brevity.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.chambana.net/pipermail/commotion-discuss/attachments/20130227/b601c0d7/attachment-0001.html>


More information about the Commotion-discuss mailing list