From: Kalle Valo <kalle.valo@iki.fi>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linville@tuxdriver.com, linux-wireless@vger.kernel.org,
a.young.jason@gmail.com
Subject: Re: [PATCH PATCH v6 1/7] mac80211: add U-APSD client support
Date: Tue, 12 Jan 2010 13:14:18 +0200 [thread overview]
Message-ID: <87hbqrtw1h.fsf@purkki.valot.fi> (raw)
In-Reply-To: <1263292276.3583.15.camel@johannes.local> (Johannes Berg's message of "Tue\, 12 Jan 2010 11\:31\:16 +0100")
Johannes Berg <johannes@sipsolutions.net> writes:
> On Tue, 2010-01-12 at 10:42 +0200, Kalle Valo wrote:
>
>> + *
>> + * @IEEE80211_HW_SUPPORTS_UAPSD:
>> + * Hardware supports Unscheduled Automatic Power Save Delivery
>> + * (U-APSD) in managed mode. The mode is configured with
>> + * conf_tx() operation.
>
> I think a little more detail would be good here, for example adding that
> it must support staying awake with just the frame triggering it, and
> that it won't be asked to wake up by mac80211?
Good point. I was planning to improve power save documentation, I do
that in this patchset and I'll also add more documentation about
U-APSD. That should help to understand this more.
> Or will it, actually? We've had that discussion with PS-poll so ...
Yes, HW must stay awake until end of service period. I'll write more
documentation to clear up all this.
--
Kalle Valo
next prev parent reply other threads:[~2010-01-12 11:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-12 8:42 [PATCH PATCH v6 0/7] mac80211 client U-APSD support Kalle Valo
2010-01-12 8:42 ` [PATCH PATCH v6 1/7] mac80211: add U-APSD client support Kalle Valo
2010-01-12 10:31 ` Johannes Berg
2010-01-12 11:14 ` Kalle Valo [this message]
2010-01-13 14:50 ` Kalle Valo
2010-01-12 8:42 ` [PATCH PATCH v6 2/7] mac80211: add debugfs interface for U-APSD queue configuration Kalle Valo
2010-01-12 8:42 ` [PATCH PATCH v6 3/7] mac80211: create tx handler for dynamic ps Kalle Valo
2010-01-12 8:42 ` [PATCH PATCH v6 4/7] mac80211: check uapsd state for dynamic power save Kalle Valo
2010-01-12 8:43 ` [PATCH PATCH v6 5/7] ieee80211: add struct ieee80211_hdr_qos Kalle Valo
2010-01-12 8:43 ` [PATCH PATCH v6 6/7] wl1251: create qos null data template Kalle Valo
2010-01-12 8:43 ` [PATCH PATCH v6 7/7] wl1251: add U-APSD support Kalle Valo
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