From: "Arend van Spriel" <arend@broadcom.com>
To: "Hao Han" <hhanwm@gmail.com>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: force wifi radio to sleep immediately
Date: Thu, 25 Aug 2011 12:38:00 +0200 [thread overview]
Message-ID: <4E562608.9060700@broadcom.com> (raw)
In-Reply-To: <CAGwCZhrYA2e_dVf6uHDaTfC35m2wopdLCOit8UFDa8D9v_v3Tw@mail.gmail.com>
On 08/24/2011 12:12 PM, Hao Han wrote:
> Thank you for your quick reply, Gr. AvS.
>
> According to my understanding, in power save mode (PSM), the station
> will go to sleep immediately (i.e. maintaining a very low power) after
> sending packet with pwr mgt bit in 802.11 mac header setting to 1.
>
> My question is if we can force the station to go to such a low power
> level by calling some function.
>
> It seems to me that it costs extra time to disable/enable the radio,
> right? I hope to do it very quickly.
>
> I appreicate your help!
>
> Best,
> Hao
I see. Your question is really about power save, which involves more
that the radio. Power save is a process better left to the device so
there is no interface in place to force that upon a driver/device.
Gr. AvS
--
Almost nobody dances sober, unless they happen to be insane.
-- H.P. Lovecraft --
next prev parent reply other threads:[~2011-08-25 10:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-24 8:43 force wifi radio to sleep immediately Hao Han
2011-08-24 9:46 ` Arend van Spriel
2011-08-24 10:12 ` Hao Han
2011-08-25 2:54 ` Hao Han
2011-08-25 10:38 ` Arend van Spriel [this message]
2011-08-26 9:00 ` Hao Han
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