Re: Setup of wireless AP using an intel 7260-ac on 5Ghz+ band, linux 3.15.1 (was: No channels available (no IR) in 5Ghz band for intel 7260-ac)

[Arend van Spriel <arend@broadcom.com>]

updated subject

On 24-06-14 02:50, Luis R. Rodriguez wrote:
> On Mon, Jun 23, 2014 at 10:55:48PM +0200, Victor wrote:
>> Hello, first of all i'm not sure if this is the proper place to ask
>> since it seems mostly dev-related, but i have been looking everywhere
>> trying to find a solution without luck, so i'm not sure if i
>> encountered some kind of bug.
>>
>> Context: Setup of wireless AP using an intel 7260-ac on 5Ghz+ band, linux 3.15.1
>>
>> Problem found: the system shows all channels for Ghz band as (no IR),
>> so they can't be used
>
> NO-IR means you can't initiate radiation, it doesn't mean they are
> disabled. The NO-IR flag then means you cannot use modes of operation
> that require you to initiate radiation first, there are two ways that
> can happen:
>
>    * beconing -- AP, IBSS, Mesh, P2P master mode

That is just the point, right? The context is "Setup of wireless AP".

Regards,
Arend

>    * active scanning
>
> You are still able to do passive scanning. The NO-IR flag can be
> lifted from channels if the driver does like the idea of trusting
> beacon hints:
>
> http://wireless.kernel.org/en/developers/Regulatory/processing_rules#Beacon_hints
>
> If the driver does not like those then you won't get the NO-IR flag
> lifted when a beacon is found. There device follows the desire by
> the silicon manufacturer and whoever deploys the device and integrates
> it into your system so anything beyond this should be checked with
> Intel folks.
>
>    Luis
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