From: Larry Finger <Larry.Finger@lwfinger.net>
To: Stefan Rompf <stefan@loplof.de>
Cc: Johannes Berg <johannes@sipsolutions.net>,
netdev <netdev@vger.kernel.org>
Subject: Re: cfg80211 take 7
Date: Mon, 09 Oct 2006 09:16:42 -0500 [thread overview]
Message-ID: <452A59CA.7060708@lwfinger.net> (raw)
In-Reply-To: <200610091452.07098.stefan@loplof.de>
Stefan Rompf wrote:
> Am Montag, 9. Oktober 2006 13:49 schrieb Johannes Berg:
>
>> Yeah, probably makes sense. Though, maybe not just the band but a set of
>> channels instead?
>
> Yes, this would allow us to keep the definition of a band out of kernel. But
> to distinguish between 802.11 b and g, we'd need a set of channels and
> allowed modulations. I haven't looked at Larry's regulatory domain stuff yet,
> but maybe band selection could use the same data structure. cfg80211 would
> then just calculate the intersection of user supplied set and set permitted
> by regulations.
>
> Hopefully there is no country that forbids the user *NOT* to scan a specific
> channel ;)
>
Passive scanning is always allowed, AFAIK. Active scanning is a different matter. In the US, no one
is allowed to active scan channels 12-14. In addition, there are a number of countries where the
regulations prohibit active scanning in some or all of the 5 GHz bands.
Larry
next prev parent reply other threads:[~2006-10-09 14:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-06 14:59 cfg80211 take 7 Johannes Berg
2006-10-06 15:07 ` Johannes Berg
2006-10-09 11:22 ` Stefan Rompf
[not found] ` <200610091322.10495.stefan@loplof.de>
2006-10-09 11:49 ` Johannes Berg
2006-10-09 12:52 ` Stefan Rompf
2006-10-09 14:16 ` Larry Finger [this message]
2006-10-09 18:38 ` David Kimdon
2006-10-09 22:01 ` Johannes Berg
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