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From: Michal Kazior <michal.kazior@tieto.com>
To: Luca Coelho <luca@coelho.fi>
Cc: Johannes Berg <johannes@sipsolutions.net>,
	linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH] mac80211: add a single-transaction driver op to switch contexts
Date: Fri, 23 May 2014 09:51:22 +0200	[thread overview]
Message-ID: <CA+BoTQkqh6Zvn0pPsR7hsWeoqhcJOY-mEzV6u1Nf+ZUtniTgoA@mail.gmail.com> (raw)
In-Reply-To: <1400813392.25946.35.camel@dubbel>

On 23 May 2014 04:49, Luca Coelho <luca@coelho.fi> wrote:
> On Fri, 2014-05-23 at 05:38 +0300, Luca Coelho wrote:
>> From: Luciano Coelho <luciano.coelho@intel.com>
>>
>> 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@intel.com>
>> ---
>
> 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

  reply	other threads:[~2014-05-23  7:51 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-22 14:07 [PATCH v6 0/6] cfg/mac80211: implement multi-vif csa Michal Kazior
2014-05-22 14:07 ` [PATCH v6 1/6] mac80211: introduce switch_vif_chanctx op Michal Kazior
2014-05-22 14:45   ` Johannes Berg
2014-05-23  2:38     ` [PATCH] mac80211: add a single-transaction driver op to switch contexts Luca Coelho
2014-05-23  2:49       ` Luca Coelho
2014-05-23  7:51         ` Michal Kazior [this message]
2014-05-23  8:01       ` Michal Kazior
2014-05-23  8:58         ` Johannes Berg
2014-05-23  9:14           ` Luca Coelho
2014-05-23  9:30             ` Johannes Berg
2014-05-23  9:52               ` Johannes Berg
2014-05-23 11:33                 ` [PATCH 1/2] " Luca Coelho
2014-05-23 11:33                   ` [PATCH 2/2] mac80211: use switch_vif_chanctx to change a running chanctx Luca Coelho
2014-05-23 11:35                     ` Luca Coelho
2014-05-23 13:28                     ` Johannes Berg
2014-05-23 13:31                       ` Luca Coelho
2014-05-23 13:24                   ` [PATCH 1/2] mac80211: add a single-transaction driver op to switch contexts Johannes Berg
2014-05-23 13:30                     ` Luca Coelho
2014-05-23  9:16           ` [PATCH] " Michal Kazior
2014-05-23  9:26             ` Johannes Berg
2014-05-23  6:09     ` [PATCH v6 1/6] mac80211: introduce switch_vif_chanctx op Michal Kazior
2014-05-23  8:51       ` Johannes Berg
2014-05-23  9:10         ` Michal Kazior
2014-05-23  9:31           ` Johannes Berg
2014-05-22 14:07 ` [PATCH v6 2/6] mac80211: implement multi-vif in-place reservations Michal Kazior
2014-05-22 14:51   ` Johannes Berg
2014-05-23  6:16     ` Michal Kazior
2014-05-23 12:23       ` Michal Kazior
2014-05-23 13:14         ` Johannes Berg
2014-05-22 14:07 ` [PATCH v6 3/6] mac80211: make check_combinations() aware of chanctx reservation Michal Kazior
2014-05-22 14:07 ` [PATCH v6 4/6] mac80211: use chanctx reservation for AP CSA Michal Kazior
2014-05-22 14:54   ` Johannes Berg
2014-05-23  6:49     ` Michal Kazior
2014-05-23  8:44       ` Johannes Berg
2014-05-23  8:58         ` Michal Kazior
2014-05-23  9:07           ` Johannes Berg
2014-05-23  9:35             ` Michal Kazior
2014-05-23  9:53               ` Johannes Berg
2014-05-22 14:07 ` [PATCH v6 5/6] mac80211: use chanctx reservation for STA CSA Michal Kazior
2014-05-22 14:07 ` [PATCH v6 6/6] cfg80211: remove channel_switch combination check Michal Kazior
2014-05-22 14:57   ` Johannes Berg
2014-05-23  7:04     ` Michal Kazior
2014-05-23  8:53       ` Johannes Berg
2014-05-23  9:11         ` Michal Kazior

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