From: Seth Forshee <seth.forshee@canonical.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-wireless@vger.kernel.org, Johannes Berg <johannes.berg@intel.com>
Subject: Re: [PATCH 3.11] mac80211: ignore (E)CSA in probe response frames
Date: Fri, 23 Aug 2013 10:04:47 -0500 [thread overview]
Message-ID: <20130823150447.GB9274@thinkpad-t410> (raw)
In-Reply-To: <1377265924-19012-1-git-send-email-johannes@sipsolutions.net>
On Fri, Aug 23, 2013 at 03:52:04PM +0200, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@intel.com>
>
> Seth reports that some APs, notably the Netgear WNDAP360, send
> invalid ECSA IEs in probe response frames with the operating
> class and channel number both set to zero, even when no channel
> switch is being done. As a result, any scan while connected to
> such an AP results in the connection being dropped.
>
> Fix this by ignoring any channel switch announcment in probe
> response frames entirely, since we're connected to the AP we
> will be receiving a beacon (and maybe even an action frame) if
> a channel switch is done, which is sufficient.
>
> Cc: stable@vger.kernel.org # 3.10
> Reported-by: Seth Forshee <seth.forshee@canonical.com>
> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This fixes the problem. Thanks Johannes!
Tested-by: Seth Forshee <seth.forshee@canonical.com>
prev parent reply other threads:[~2013-08-23 15:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-23 13:52 [PATCH 3.11] mac80211: ignore (E)CSA in probe response frames Johannes Berg
2013-08-23 15:04 ` Seth Forshee [this message]
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