From: Johannes Berg <johannes@sipsolutions.net>
To: Simon Wunderlich <simon.wunderlich@s2003.tu-chemnitz.de>
Cc: linux-wireless@vger.kernel.org,
Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>,
Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Subject: Re: [RFC 0/4] add master channel switch announcement support
Date: Tue, 18 Jun 2013 16:01:46 +0200 [thread overview]
Message-ID: <1371564106.8318.18.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <20130611141811.GA9490@pandem0nium>
On Tue, 2013-06-11 at 16:18 +0200, Simon Wunderlich wrote:
> > > I was thinking about adding another callback function or option for that for drivers
> > > who do the channel switch internally. Then we would only need mac80211 to adapt.
> > >
> > > Would that help, or what would be problematic?
> >
> > I don't really know. If you look at what we do in managed mode now, some
> > drivers will do the switching and report back when done.
>
> OK, maybe we should leave that open to people who implement that feature for
> their respective drivers.
We just have to be aware of it and make the API "offloading-friendly"
> What I'm concered about is to initiate a channel switch from userspace. This will be
> required for IBSS-DFS: when a radar is detected and this event is sent to userspace, it
> must react by initiating a channel switch.
Why would that not happen in the kernel directly?
johannes
prev parent reply other threads:[~2013-06-18 14:02 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-06 19:13 [RFC 0/4] add master channel switch announcement support Simon Wunderlich
2013-05-06 19:13 ` [RFC 1/4] cfg80211: add chandef to operating class conversion Simon Wunderlich
2013-05-06 19:13 ` [RFC 2/4] nl80211/cfg80211: add channel switch command Simon Wunderlich
2013-05-06 19:13 ` [RFC 3/4] mac80211: add channel switch command and beacon callbacks Simon Wunderlich
2013-05-06 19:13 ` [RFC 4/4] ath9k: enable CSA functionality in ath9k Simon Wunderlich
2013-05-13 10:09 ` [RFC 0/4] add master channel switch announcement support Johannes Berg
2013-05-14 9:27 ` Simon Wunderlich
2013-05-28 10:43 ` Simon Wunderlich
2013-06-11 12:31 ` Johannes Berg
2013-06-11 14:18 ` Simon Wunderlich
2013-06-18 14:01 ` Johannes Berg [this message]
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