linux-kernel - Re: [PATCH 1/2 v5] cfg80211: Add new wireless regulatory infrastructure

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Date:	Fri, 05 Sep 2008 22:01:32 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	"Luis R. Rodriguez" <lrodriguez@...eros.com>
Cc:	linville@...driver.com, linux-wireless@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2 v5] cfg80211: Add new wireless regulatory
	infrastructure

On Fri, 2008-09-05 at 12:43 -0700, Luis R. Rodriguez wrote:
> This adds the new wireless regulatory infrastructure. The
> main motiviation behind this was to centralize regulatory
> code as each driver was implementing their own regulatory solution,
> and to replace the initial centralized code we have where:
> 
> * only 3 regulatory domains are supported: US, JP and EU
> * regulatory domains can only be changed through a module parameter
> * all rules are built statically in the kernel
> 
> We now have support for regulatory domains for many countries
> and regulatory domains are now queried through a userspace agent
> (CRDA) through udev allowing distributions to update regulatory rules
> without updating the kernel. Updates on regulatory rules can
> now be left as an independent effort.
> 
> Each driver can regulatory_hint() a regulatory domain
> based on either their EEPROM mapped regulatory domain value to a
> respective ISO/IEC 3166-1 country code or pass an internally built
> regulatory domain. We also add support to let the user set the
> regulatory domain through userspace in case of faulty EEPROMs to
> further help compliance.
> 
> Support for world roaming will be added soon for cards capable of
> this.
> 
> For more information see:
> 
> http://wireless.kernel.org/en/developers/Regulatory/CRDA
> 
> For now we leave an option to enable the old module parameter,
> ieee80211_regdom, and to build the 3 old regdomains statically
> (US, JP and EU). This option is CONFIG_WIRELESS_OLD_REGULATORY.
> These old static definitions and the module parameter is being
> scheduled for removal for 2.6.29.
> 
> Signed-off-by: Luis R. Rodriguez <lrodriguez@...eros.com>

Looks fine to me now, as far as I've looked, I guess there'll be some
odd fixes required etc. but we can figure that out.

johannes

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