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Re: regulatory problems with ath5k

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On Wed, May 26, 2010 at 10:07 AM, Arnd Hannemann
<hannemann@xxxxxxxxxxxxxxxxxxx> wrote:
> Hi,
>
> FWI: I believe this whole regulatory framework is pretty broken in 2.6.34
> If I associate with a 802.11g accesspoint with one NIC , I'm not allowed
> to use 802.11a on my other NIC at all.
>
> [   23.352168] wlan0: associated
> [   23.355993] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
> [   23.375106] cfg80211: Calling CRDA for country: DE
> [   23.412542] cfg80211: Current regulatory domain updated by AP to: DE
> [   23.431728]     (start_freq - end_freq @ bandwidth),
> (max_antenna_gain, max_eirp)
> [   23.454319]     (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 1800 mBm)
>
> # iw reg get
> country 98:
>    (2402 - 2482 @ 40), (N/A, 18)
>
> ???

No, although that may be your regulatory domain cfg80211 will not
disable 5 GHz if you already had it enabled and your AP provided a
country IE with only 2 GHz rules. Check 'iw list' both before and
after you associate.

  Luis
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