Subject: Re: [cfg80211 / iwlwifi] setting wireless regulatory domain doesn't work.

From: Arend van Spriel <[email-masked]>
Date: Wed, 18 Dec 2013 09:58:52 +0100

On 12/18/2013 08:50 AM, Pontus Fuchs wrote:
> On 2013-12-17 22:49, Sander Eikelenboom wrote:
>>
>> Indeed, I looked for a crda hook for initramfs-tools but didn't find
>> it, so skipped that idea
>> for the moment.
>>
>> So if i combine the two .. it's essentially just a very bad idea to
>> compile the wireless stuff in.
>> It needs a access to a userland program at module load time, or it
>> will block forever.
> 
> The canonical trick to have cfg80211 built in is to execute crda
> manually in your boot scripts. This will satisfy the initial request and
> resolve the block.

There is a Kconfig option to have the regulatory data built-in the
kernel as well. Obviously that makes a regulatory update more difficult.

net/wireless/Kconfig:
config CFG80211_INTERNAL_REGDB
        bool "use statically compiled regulatory rules database" if EXPERT

Regards,
AvS