From: Johannes Berg <johannes@sipsolutions.net>
To: Tomas Winkler <tomas.winkler@intel.com>
Cc: linville@tuxdriver.com, yi.zhu@intel.com,
linux-wireless@vger.kernel.org,
Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Subject: Re: [PATCH 1/1] mac80211: send action frame when toggling SM PS mode
Date: Sun, 28 Sep 2008 18:19:29 +0200 [thread overview]
Message-ID: <1222618769.7064.0.camel@johannes.berg> (raw)
In-Reply-To: <1222618493-19019-1-git-send-email-tomas.winkler@intel.com>
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On Sun, 2008-09-28 at 19:14 +0300, Tomas Winkler wrote:
> From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
>
> This patch makes mac80211 able to send action frames when toggling
> (SM PS) Spacial Multiplexing Power Save mode.
>
> Example:
> 1.
> Low lever driver may close some of RX chains in power save mode
> and needs to announce to AP that a RTS frame is need in order to wake all
> RX chains, on other hand SM PS can be disabled on CAM mode or if HW is able
> to wake all chains without RTS frame.
>
> 2.
> iwlwifi can call this function when it detects that only
> one antenna can effectively receive then MS PS mode is set to STATIC and
> AP is asked not to send MIMO rates packets.
Why is the driver managing the PS mode to start with?
johannes
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next prev parent reply other threads:[~2008-09-28 16:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-28 16:14 [PATCH 1/1] mac80211: send action frame when toggling SM PS mode Tomas Winkler
2008-09-28 16:19 ` Johannes Berg [this message]
2008-09-28 16:24 ` Tomas Winkler
2008-09-28 16:26 ` Johannes Berg
2008-09-28 16:39 ` Tomas Winkler
2008-09-28 17:21 ` Johannes Berg
2008-10-01 10:40 ` Tomas Winkler
2008-10-01 11:14 ` Luis R. Rodriguez
2008-10-01 18:21 ` Johannes Berg
2008-10-01 18:39 ` Luis R. Rodriguez
2008-10-01 18:20 ` Johannes Berg
2008-09-29 8:14 ` Luis R. Rodriguez
2008-09-29 8:33 ` Tomas Winkler
2008-09-29 14:44 ` John W. Linville
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