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Re: [RFC 2/2] mac80211: config hw when going back on-channel

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hi Ben,

On Mon, Jul 25, 2011 at 8:18 PM, Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote:
> On 07/25/2011 08:29 AM, Eliad Peller wrote:
>>
>> The hw is currently not configured when going
>> back on-channel.
>
> I am less sure about this patch.  With the existing code,
> I think it should catch going from on channel to off
> and do the hw config properly.
>
IIUC, this code is responsible for going back on-channel (if there is
no started work on the tmp_channel).

> With your change it will also reconfig the hardware, but it will
> reconfig even if we were already on-channel (if, for instance,
> local->tmp_channel is oper-channel), right?
>
> Can you please explain in more detail how this code is
> broken?
>
we should reconfigure the hardware iff the hardware is not configured
to the operational channel.
the current code doesn't handle it (e.g. oper_channel=1,
tmp_channel=11, hw_channel=11. since
ieee80211_cfg_on_oper_channel(local) == 0, the hw won't go back
on-channel).

i don't think it will reconfig if we are already on-channel, as in
this case oper_channel == hw_channel.

thanks for your review!
Eliad.
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