From: Johannes Berg <johannes@sipsolutions.net>
To: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: linux-wireless@vger.kernel.org, Ivo van Doorn <ivdoorn@gmail.com>,
Gertjan van Wingerde <gwingerde@gmail.com>
Subject: Re: rt2x00 & mac80211: correct usage of ieee80211_beacon_get_tim?
Date: Thu, 24 Jun 2010 17:54:56 +0200 [thread overview]
Message-ID: <1277394896.3870.10.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <1277394837.3870.9.camel@jlt3.sipsolutions.net>
On Thu, 2010-06-24 at 17:53 +0200, Johannes Berg wrote:
> On Thu, 2010-06-24 at 17:51 +0200, Johannes Berg wrote:
>
> > b) You need to get a new beacon frame from mac80211 only when it
> > changes. You can do this from set_tim(). HOWEVER: since you're not
> > getting a new one from mac80211 all the time anyway, you NEED to
> > have the driver or firmware overwrite the DTIM count, like b43's
> > firmware for example will do.
>
> Oh and "when it changes" doesn't include DTIM period changes, obviously.
Er, it does include "DTIM period" changes (shouldn't actually happen
anyway), I meant "DTIM count field changes".
johannes
next prev parent reply other threads:[~2010-06-24 15:54 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-24 13:21 rt2x00 & mac80211: correct usage of ieee80211_beacon_get_tim? Helmut Schaa
2010-06-24 14:32 ` John W. Linville
2010-06-24 15:51 ` Johannes Berg
2010-06-24 15:53 ` Johannes Berg
2010-06-24 15:54 ` Johannes Berg [this message]
2010-06-24 16:20 ` Helmut Schaa
2010-06-25 16:01 ` Helmut Schaa
2010-06-26 15:32 ` John W. Linville
2010-06-27 8:21 ` Johannes Berg
2010-06-27 19:00 ` Helmut Schaa
2010-07-02 17:12 ` Johannes Berg
2010-07-02 17:59 ` Helmut Schaa
2010-07-02 18:06 ` Johannes Berg
2010-07-02 18:20 ` Helmut Schaa
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