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From: Johannes Berg <johannes@sipsolutions.net>
To: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Cc: Victor Goldenshtein <victorg@ti.com>,
	linux-wireless@vger.kernel.org, kgiori@qca.qualcomm.com,
	mcgrof@frijolero.org, adrian.chadd@gmail.com, j@w1.fi,
	coelho@ti.com, assaf@ti.com, yoni.divinsky@ti.com, igalc@ti.com,
	adrian@freebsd.org, nbd@nbd.name,
	simon.wunderlich@s2003.tu-chemnitz.de
Subject: Re: [PATCH v2 3/7] nl80211/cfg80211: add ability to enable TX on op-channel
Date: Wed, 20 Jun 2012 16:19:28 +0200	[thread overview]
Message-ID: <1340201968.4655.67.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <4FE1D26D.8060702@neratec.com>

On Wed, 2012-06-20 at 15:38 +0200, Zefir Kurtisi wrote:

> No, it serves its purpose to ensure hostapd is not going mad and tries
> to enable TX before the CAC is over via redundant checks.
> 
> What I'm saying is this: we defined that DFS regulatory compliance is
> provided by and distributed over driver, mac80211, and hostapd. We
> always must ensure that a working combination of those operates in
> compliance. But we have no control over it when a component is exchanged
> or modified.

Right, but if hostapd does something unexpected, in the code the kernel
attempts to verify that it did in fact do radar checking for a certain
minimum amount of time. I pointed out how those checks are ineffective,
and how they should be fixed.

> Back to topic: as stated above, radar_detection_timeout should be per
> wiphy. That would also resolve your concern, right?

No.

johannes


  reply	other threads:[~2012-06-20 14:19 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-19 13:10 [PATCH v2 1/7] nl80211/cfg80211: add radar detection command/event Victor Goldenshtein
2012-06-19 13:10 ` [PATCH v2 2/7] mac80211: " Victor Goldenshtein
2012-06-20  8:40   ` Johannes Berg
2012-06-19 13:10 ` [PATCH v2 3/7] nl80211/cfg80211: add ability to enable TX on op-channel Victor Goldenshtein
2012-06-20  8:44   ` Johannes Berg
2012-06-20  8:46     ` Johannes Berg
2012-06-20 11:53       ` Zefir Kurtisi
2012-06-20 11:57         ` Johannes Berg
2012-06-20 12:58           ` Zefir Kurtisi
2012-06-20 13:12             ` Johannes Berg
2012-06-20 13:32               ` Goldenshtein, Victor
2012-06-20 14:18                 ` Johannes Berg
2012-06-20 13:38               ` Zefir Kurtisi
2012-06-20 14:19                 ` Johannes Berg [this message]
2012-06-20 15:06       ` Goldenshtein, Victor
2012-06-20 14:34     ` Goldenshtein, Victor
2012-06-19 13:11 ` [PATCH v2 4/7] mac80211: " Victor Goldenshtein
2012-06-19 13:11 ` [PATCH v2 5/7] nl80211/cfg80211: add ap channel switch command/event Victor Goldenshtein
2012-06-20  8:47   ` Johannes Berg
2012-06-20 17:17     ` Goldenshtein, Victor
2012-06-20 17:39       ` Johannes Berg
2012-06-21  5:35         ` Goldenshtein, Victor
2012-06-21  7:06           ` Johannes Berg
2012-06-19 13:11 ` [PATCH v2 6/7] mac80211: " Victor Goldenshtein
2012-06-20  8:48   ` Johannes Berg
2012-06-19 13:11 ` [PATCH v2 7/7] mac80211: add DFS support to monitor interface Victor Goldenshtein
2012-06-20  8:49   ` Johannes Berg
2012-06-20 16:50     ` Goldenshtein, Victor
2012-06-20  8:40 ` [PATCH v2 1/7] nl80211/cfg80211: add radar detection command/event Johannes Berg
2012-06-20 12:22   ` Zefir Kurtisi
2012-06-20 12:29     ` Johannes Berg
2012-06-20 16:42   ` Goldenshtein, Victor
2012-06-20 17:40     ` Johannes Berg

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