From: Ben Greear <greearb@candelatech.com>
To: Arend van Spriel <arend@broadcom.com>
Cc: Johannes Berg <johannes@sipsolutions.net>,
linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: implicit band switch or not
Date: Wed, 09 Feb 2011 06:22:32 -0800 [thread overview]
Message-ID: <4D52A328.3010009@candelatech.com> (raw)
In-Reply-To: <op.vqmzowhl3ri7v4@arend-laptop>
On 02/09/2011 04:59 AM, Arend van Spriel wrote:
> Hi Johannes,
>
> With our mac80211-based driver I was associated with 5GHz AP and ran into an assert. Investigating this I found that a software scan was initiated and our
> driver got a probe request from mac80211 to be transmitted. However, it turned out that the transmit rate was a 2GHz rate and our driver was still configured to
> 5GHz band. The ieee80211_tx_info also contained the band and indeed that was for 2GHz. Given the comment for the band attribute I am wondering whether we should
> a band switch implicitly or not:
>
> * @band: the band to transmit on (use for checking for races)
>
> Any suggestions? Are we have a race condition here?
What kernel revision was this happening in? I just changed the scanning logic
a bit in wireless-testing...I don't think I would have caused this, but it's possible.
Thanks,
Ben
>
> Gr. AvS
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
next prev parent reply other threads:[~2011-02-09 14:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-09 12:59 implicit band switch or not Arend van Spriel
2011-02-09 14:22 ` Ben Greear [this message]
2011-02-09 14:48 ` Arend van Spriel
2011-02-09 17:10 ` Ben Greear
2011-02-14 10:05 ` Johannes Berg
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