From: Johannes Berg <johannes@sipsolutions.net>
To: Jouni Malinen <j@w1.fi>
Cc: "Luis R. Rodriguez" <mcgrof@gmail.com>,
wey-yi.w.guy@intel.com, linux-wireless@vger.kernel.org,
Kalle Valo <kalle.valo@nokia.com>
Subject: Re: [PATCH v3 1/1] mac80211: tell driver when dtim change detected
Date: Mon, 25 Jan 2010 19:38:47 +0100 [thread overview]
Message-ID: <1264444727.23766.56.camel@johannes.local> (raw)
In-Reply-To: <1264444604.23766.55.camel@johannes.local>
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On Mon, 2010-01-25 at 19:36 +0100, Johannes Berg wrote:
> On Mon, 2010-01-25 at 10:32 -0800, Jouni Malinen wrote:
>
> > Anyway, that is just asking for
> > problems due to the way a specific timestamps are defined to be used for
> > the beacons that are followed by buffered multicast/broadcast frames.
>
> That's actually an interesting point -- does anyone implement that
> properly, or is that just a side note in the standard nobody even reads?
> We certainly don't in mac80211 since we don't have that level of
> synchronisation between the TSF and the beacon get function.
And, in fact, the DTIM count is kinda useless if one was to rely on that
timing requirement, so I have a feeling that the intention of the people
who wrote this bit of the standard wasn't to actually impose such a
requirement.
johannes
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next prev parent reply other threads:[~2010-01-25 18:38 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-21 21:39 [PATCH v3 1/1] mac80211: tell driver when dtim change detected wey-yi.w.guy
2010-01-22 19:03 ` Johannes Berg
2010-01-22 19:20 ` Luis R. Rodriguez
2010-01-22 19:46 ` Johannes Berg
2010-01-22 23:44 ` Luis R. Rodriguez
2010-01-22 23:45 ` Luis R. Rodriguez
2010-01-23 0:11 ` Guy, Wey-Yi
2010-01-23 0:23 ` Luis R. Rodriguez
2010-01-23 0:22 ` Guy, Wey-Yi
2010-01-23 12:46 ` Johannes Berg
2010-01-25 18:18 ` Luis R. Rodriguez
2010-01-25 18:33 ` Johannes Berg
2010-01-25 19:55 ` Luis R. Rodriguez
2010-01-25 20:06 ` Johannes Berg
2010-01-26 8:41 ` Kalle Valo
2010-01-25 18:32 ` Jouni Malinen
2010-01-25 18:36 ` Johannes Berg
2010-01-25 18:38 ` Johannes Berg [this message]
2010-01-23 8:23 ` Kalle Valo
2010-01-25 18:35 ` Jouni Malinen
2010-01-25 20:11 ` Johannes Berg
2010-01-25 20:46 ` Guy, Wey-Yi
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