linux-kernel - Re: [PATCH 13/16] wl1251: enforce changed hw encryption support on monitor state change

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Message-ID: <20131030115504.GG8763@amd.pavel.ucw.cz>
Date:	Wed, 30 Oct 2013 12:55:04 +0100
From:	Pavel Machek <pavel@....cz>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	Luciano Coelho <luca@...lho.fi>,
	"John W. Linville" <linville@...driver.com>,
	Johannes Berg <johannes@...solutions.net>,
	"David S. Miller" <davem@...emloft.net>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, freemangordon@....bg,
	aaro.koskinen@....fi, sre@...g0.de, joni.lapilainen@...il.com,
	David Gnedt <david.gnedt@...izone.at>
Subject: Re: [PATCH 13/16] wl1251: enforce changed hw encryption support on
 monitor state change

On Sat 2013-10-26 22:34:12, Pali Rohár wrote:
> From: David Gnedt <david.gnedt@...izone.at>
> 
> The firmware doesn't support per packet encryption selection, so disable hw
> encryption support completly while a monitor interface is present to support

"completely".

> injection of packets (which shouldn't get encrypted by hw).
> To enforce the changed hw encryption support force a disassociation on
> non-monitor interfaces.
> For disassociation a workaround using hw connection monitor is employed,
> which temporary enables hw connection manager flag.
> 
> Signed-off-by: David Gnedt <david.gnedt@...izone.at>

Missing sign-off.

> index 174f403..f054741 100644
> --- a/drivers/net/wireless/ti/wl1251/main.c
> +++ b/drivers/net/wireless/ti/wl1251/main.c
> @@ -685,6 +685,16 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
>  		wl->power_level = conf->power_level;
>  	}
>  
> +	/*
> +	 * Tell stack that connection is lost because hw encryption isn't
> +	 * supported in monitor mode.
> +	 * XXX This requires temporary enabling the hw connection monitor flag
> +	 */

"of the" and I guess you can remove the XXX? This way it looks like
workaround is not complete.

Thanks,
									Pavel

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