Linux wireless drivers development
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From: Dan Williams <dcbw@redhat.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Masakazu Mokuno <mokuno@sm.sony.co.jp>,
	"John W. Linville" <linville@tuxdriver.com>,
	linux-wireless@vger.kernel.org, cbe-oss-dev@ozlabs.org,
	Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>,
	Stefan Assmann <sassmann@suse.de>
Subject: Re: [PATCH] PS3: gelic: ignore scan info from zero SSID beacons
Date: Tue, 11 Mar 2008 12:50:37 -0400	[thread overview]
Message-ID: <1205254237.8774.0.camel@localhost.localdomain> (raw)
In-Reply-To: <1205252287.6387.54.camel@johannes.berg>

On Tue, 2008-03-11 at 17:18 +0100, Johannes Berg wrote:
> On Tue, 2008-03-11 at 13:15 +0900, Masakazu Mokuno wrote:
> > Some implementations of the hidden SSID APs emit beacons which have the zero
> > length SSID information element instead of SSID padded by null (\0) characters.
> > If the firmware of the PS3 wireless hardware meets these beacons, it abandons parsing
> > IEs. Thus guest OSes get the invalid scan information for the AP.
> > 
> > To work around this, ignore these scan informations from the list.
> 
> I'm not sure this is a good idea. Is there any way to get at decent
> information from those beacons?

Yeah, there are quite a few of these out there.  Ideally the firmware
wouldn't puke on it...

Dan



  reply	other threads:[~2008-03-11 16:59 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-11  4:15 [PATCH] PS3: gelic: ignore scan info from zero SSID beacons Masakazu Mokuno
2008-03-11 16:18 ` Johannes Berg
2008-03-11 16:50   ` Dan Williams [this message]
2008-03-11 17:10     ` John W. Linville
2008-03-12  2:18       ` Masakazu Mokuno
2008-03-12  8:25         ` Johannes Berg
2008-03-12 10:26           ` Masakazu Mokuno
2008-03-12 13:42             ` Dan Williams
2008-03-12 14:31               ` Johannes Berg
2008-03-12 14:43                 ` Johannes Berg
2008-03-13  7:01                   ` Masakazu Mokuno
2008-03-12  2:24   ` Masakazu Mokuno

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