Re: [PATCH] mac80211: fix offchannel queue stop

[Vasanthakumar Thiagarajan <vasanth@atheros.com>]

On Fri, Aug 27, 2010 at 05:15:28PM +0530, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@intel.com>
> 
> Somebody noticed this problem, and I outlined
> to them how to fix it, but haven't heard back
> from them. So while I was adding the state
> field I figured I could use it to fix it.
> 
> The problem, as I understand it, is that when
> we go offchannel while the driver has a queue
> stopped, the driver will likely start draining
> the queue and then enable it while offchannel.
> This in turn will enable the interface queue,
> and that leads to transmitting data frames on
> the wrong channel.
> 
> Fix this by keeping track of offchannel status
> per interface, and not enabling the interface
> queues on interfaces that are offchannel when
> the driver enables a queue.
> 
> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
> ---
> Too lazy to dig out who reported this, so CCing
> a bunch of people at Atheros ...


thanks for fixing, It was me only. Somehow I forgot this.

Vasanth