Linux wireless drivers development
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From: Sujith <m.sujith@gmail.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-wireless@vger.kernel.org, jouni.malinen@atheros.com
Subject: Re: [RFC v2] mac80211: Add 802.11h CSA support
Date: Tue, 30 Dec 2008 16:21:29 +0530	[thread overview]
Message-ID: <18777.64817.29561.776128@localhost.localdomain> (raw)
In-Reply-To: <1230633949.3850.11.camel@johannes>

Johannes Berg wrote:
> Yeah I know, I'm just wondering if it's worth saving the lookup in the
> other case by doing the lookup outside of ieee80211_process_chanswitch()
> and in ieee80211_rx_h_action()

Actually, this might be better since I haven't seen any AP send a CSA action
frame, it was always through the beacon that it was announced.
But then, it is not often that an AP would switch channels.
I'll change the interface anyway.

> But the RX stuff (rx_h_action) is from a tasklet or directly from the
> driver, and in the tasklet we can't sleep either, and if we call back
> from ieee80211_rx() into rx_h_action into the driver again via config()
> the driver might not like it? Or am I totally off base right now?

True, I'll add it to the workqueue here.

Sujith

      reply	other threads:[~2008-12-30 10:53 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-30 10:26 [RFC v2] mac80211: Add 802.11h CSA support Sujith
2008-12-30 10:35 ` Johannes Berg
2008-12-30 10:39   ` Sujith
2008-12-30 10:45     ` Johannes Berg
2008-12-30 10:51       ` Sujith [this message]

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