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Re: [PATCH] mac80211: add a single-transaction driver op to switch contexts

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On 23 May 2014 04:49, Luca Coelho <luca@xxxxxxxxx> wrote:
> On Fri, 2014-05-23 at 05:38 +0300, Luca Coelho wrote:
>> From: Luciano Coelho <luciano.coelho@xxxxxxxxx>
>>
>> In some cases, when the driver is already using all the channel
>> contexts it can handle at once, we have to do an in-place switch
>> (ie. we cannot afford using an extra context temporarily for the
>> transaction).  But some drivers may not support switching the channel
>> context assigned to a vif on the fly (ie. without unassigning and
>> assigning it) while others may only work if the context is changed on
>> the fly, without unassigning it first.
>>
>> To allow these different scenarios, add a new driver operation that
>> let's the driver decide how to handle an in-place switch.
>>
>> Additionally, remove the IEEE80211_HW_CHANGE_RUNNING_CHANCTX flag,
>> since we never change a running context directly anymore.
>>
>> Signed-off-by: Luciano Coelho <luciano.coelho@xxxxxxxxx>
>> ---
>
> So, this is what I had cooked up.  Sorry Michal, I should have synced
> with you.  Actually I tried to ping you on IRC, but you were not there,
> and then I forgot to sync by email.

Thanks for explaining. That's not much of a problem.


Michał
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