Support for country information

Support for country information

[Charles Gordon]

I'm writing a wireless driver that will use mac80211.  I am developing
with a 2.6.28-00106 version kernel.  I took a look at the files in
net/mac80211 and I don't see any code that looks at the country
element in beacons and probe responses.  Am I missing something?  Does
mac80211 handle country specific settings and regulatory domains?  If
so, could you please tell me where I can find that code?  I need to
figure out how to support 802.11j.  If country specific information is
not supported at present, do you have a plan for when it will be?

Also, does mac80211 handle 802.11a action messages like the ones to
change channels?

Thanks for you help.

Re: Support for country information

[Johannes Berg]

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On Tue, 2009-03-17 at 18:26 -0400, Charles Gordon wrote:
> I'm writing a wireless driver that will use mac80211.  I am developing
> with a 2.6.28-00106 version kernel.

First of all, let me say that this is a mistake. The API is
ever-evolving, and you want to develop against wireless-testing.

> I took a look at the files in
> net/mac80211 and I don't see any code that looks at the country
> element in beacons and probe responses.  Am I missing something?  Does
> mac80211 handle country specific settings and regulatory domains?  If
> so, could you please tell me where I can find that code?  I need to
> figure out how to support 802.11j.  If country specific information is
> not supported at present, do you have a plan for when it will be?

It is handled in cfg80211, in net/wireless/, in recent wireless-testing
trees.

> Also, does mac80211 handle 802.11a action messages like the ones to
> change channels?

Yes, CSA is supported afaik, also only recently. See my first
sentence :)

johannes

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Re: Support for country information

[Luis R. Rodriguez]

On Tue, Mar 17, 2009 at 3:32 PM, Johannes Berg
<johannes@sipsolutions.net> wrote:
> On Tue, 2009-03-17 at 18:26 -0400, Charles Gordon wrote:
>> I'm writing a wireless driver that will use mac80211. =C2=A0I am dev=
eloping
>> with a 2.6.28-00106 version kernel.
>
> First of all, let me say that this is a mistake. The API is
> ever-evolving, and you want to develop against wireless-testing.

I'll add that if you are stuck on 2.6.28, then at least work off of
wireless-testing and consider compiling the modules on the systems
that are stuck on older kernels using compat-wireless [1]. This would
allow you to work using wireless-testing and get your 2.6.28 systems a
shiny new wireless system.

[1] http://wireless.kernel.org/en/users/Download

  Luis
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