Re: Proposal enquiry for Wireless Roaming feature enhancement

[Kalle Valo <kalle.valo@iki.fi>]

Johannes Berg <johannes@sipsolutions.net> writes:

> On Wed, 2009-06-17 at 09:20 +0300, Kalle Valo wrote:
>> Balaji Ravindran <b@w1an.in> writes:
>> 
>> > Is anyone working on this feature enhancement(i mean wireless roaming)?
>> > I saw it on the to-do list, and that Mircea had proposed it for GSoC. I
>> > thought i shall dig into it, but just wanted to know if anyone's
>> > already  being involved  and actively working  on it.
>> 
>> Nobody is currently working on it AFAIK. We are planning to talk about
>> roaming at Berlin next week and I will have a brief overview to start
>> the dicussion, but that's about it.
>
> Yeah, I don't think anybody is working on it.

That's my understanding as well.

> FWIW, what we need in the kernel/drivers is, I think
>
>  1) signals for significant signal change (offloaded to firmware for
>     beacons while no traffic is flowing)

I agree. Also I think we need to have an user space interface to
configure the threshold value.

>  2) a way of telling userspace whether or not it has to handle
>  roaming, now that new cards are showing up (iwm) that can handle it
>  themselves

What about older fullmac cards, do they support roaming in hardware?

> and probably some more. I don't suppose you will be in Berlin, but it
> would probably be helpful for you to wait for that discussion to have
> taken place before working on it, because then we'll have at least a
> plan of where we want to see this go.

I agree. I'm planning to write a small report of our roaming discussion.
Maybe we can implement this finally :)

-- 
Kalle Valo