[Sugar-devel] OLPC mesh support in Sugar-0.84

Tomeu Vizoso tomeu at tomeuvizoso.net
Mon May 24 14:06:25 EDT 2010

On Mon, May 24, 2010 at 20:03, Martin Langhoff
<martin.langhoff at gmail.com> wrote:
> On Mon, May 24, 2010 at 1:38 PM, Simon Schampijer <simon at schampijer.de> wrote:
>> I have been thinking about how the "olpc mesh network" and the "default
>> adhoc network" can coexist.
>>  From a user point of view, I think the features can be exclusive.
> Yes. I will take "user" as "deployment team"(1) and say: I think it's
> safe to say that we need to choose whether to use mesh in the cases
> where we see mesh-capable hardware.
> 1 - In this case, clearly, you want to have all participating XOs to
> follow the same behaviour.
>> if the mesh hardware is available we use the mesh code and draw the three
>> mesh icons in the neighborhood view. If the hardware is not available we
>> fallback to the "ad hoc network" code and make that available through
>> the three icons in the neighborhood view.
> Here, I read "the hardware is available" as "mshN is available". Yes,
> I like it. That means that the decision of not using mesh can be taken
> when preparing the OS image, by loading a different driver, or passing
> options to the driver.
> What Walter suggests is also interesting -- people have pointed out
> recently that in our 802 OS (and possibly older), NM/Sugar don't
> display ad-hoc networks in the network neighbourhood.

I think to remember that the NM in olpc images had ad-hoc networks
hacked off. There should be a patch in the srpm about it.



> Maybe that's resolved these days -- if it is, it means that a laptop
> with mesh (XO-1) would also be able to join an ad-hoc network
> (XO-1.5).
> cheers,
> m
> --
>  martin.langhoff at gmail.com
>  martin at laptop.org -- School Server Architect
>  - ask interesting questions
>  - don't get distracted with shiny stuff  - working code first
>  - http://wiki.laptop.org/go/User:Martinlanghoff
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