Subject: Re: [RFC 0/2] cfg80211: Retrieve missing BSS info after connect
From: Johannes Berg <johannes@sipsolutions.net>
To: Dave <kilroyd@googlemail.com>
Cc: linux-wireless@vger.kernel.org, holgerschurig@gmail.com,
	sameo@linux.intel.com, dcbw@redhat.com
In-Reply-To: <4B6DB44E.7030201@gmail.com>
References: <1265462416-7547-1-git-send-email-kilroyd@googlemail.com>
	 <1265464303.4041.24.camel@johannes.local>  <4B6DB44E.7030201@gmail.com>
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Date: Sat, 06 Feb 2010 19:59:03 +0100
Message-ID: <1265482743.4041.37.camel@johannes.local>
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On Sat, 2010-02-06 at 18:26 +0000, Dave wrote:

> Thanks for the feedback. Like I said, the main point of posting was to
> see if this logic helped libertas in any way.

Right.

> Sounds like it doesn't, so
> I won't push this for now. When I get round to looking at orinoco again
> I'll see if I can handle this within the driver. If not I'll address the
> issues you've raised.
>=20
> I don't think orinoco can provide the BSS info without explicitly doing
> the scan (whether internally or via cfg80211). Even if I could get it to
> work for the firmware version I have, there's no guarantee that it'll
> work for the other supported firmware types (that I don't have).

Ok. Don't get me wrong -- I don't really mind doing it in cfg80211, just
wanted to see why, but if it really _requires_ a scan then that's fine.
Maybe in cfg80211 makes more sense, might simplify other drivers too, or
allow us to convert some of the other drivers that might not have such
functionality.

Since your patch creates a directed scan, it should be pretty quick just
scanning one channel, and maybe the driver knows the channel?

johannes

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