[wireless-regdb] [PATCH] regdb: allow 40 MHz on world roaming channels 12/13

[Luis R. Rodriguez]

On Tue, Dec 4, 2012 at 11:11 AM, Johannes Berg
<johannes at sipsolutions.net> wrote:
> On Tue, 2012-12-04 at 10:54 -0800, Luis R. Rodriguez wrote:
>
>> >> As I implemented it, it should be checking if HT40 is used. If so then
>> >> it should be checking to see if the primary can use 40 MHz bandwidth
>> >> and then check to see if the secondary can use 20 MHz. The issue
>> >> should be that the code should likely is checking that the secondary
>> >> requires 40 MHz. It should only need to check if the secondary can use
>> >> 20 MHz if HT40 is desired.
>> >
>> > I don't think this is really what we should do ... In fact given the way
>> > we do it now with overlapping freqbands this would cause more problems
>> > than it would solve, I think.
>>
>> If we end up supporting overlapping frequency rules to be submitted.
>> Right now they don't overlap but point taken that we do support it and
>> there may possible issue of having them supported.
>
> 00 has overlapping rules today, also JP and KP

I was just thinking that after I wrote this.. otherwise this would not
have come up.

>> > What it really should check is that for each freqband, as much bandwidth
>> > is allowed as falls into that freqband. But given that we have
>> > overlapping freqbands, much bandwidth will actually fall into each one
>> > of them, so we must allow @40 again ...
>> >
>> > I'm drawing some pictures now :-)
>>
>> :) Lets be clear though that your points on overlapping frequency
>> rules are a separate architectural position to take than addressing
>> the issue at hand. This however is a good crux point for us to
>> evaluate this particular architectural consideration.
>
> Agree.

:)

  Luis