From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from fmmailgate03.web.de ([217.72.192.234]:48385 "EHLO fmmailgate03.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757339AbZELQ4D (ORCPT ); Tue, 12 May 2009 12:56:03 -0400 From: Christian Lamparter To: "Bob Copeland" Subject: Re: [PATCH 6/6] ar9170: stop data queues on channel switch Date: Tue, 12 May 2009 18:56:02 +0200 Cc: Johannes Berg , linux-wireless@vger.kernel.org, "John W. Linville" References: <200905120109.09906.chunkeey@web.de> <1242142227.4331.7.camel@johannes.local> <20090512154116.M40327@bobcopeland.com> In-Reply-To: <20090512154116.M40327@bobcopeland.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Message-Id: <200905121856.02714.chunkeey@web.de> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tuesday 12 May 2009 17:56:10 Bob Copeland wrote: > On Tue, 12 May 2009 17:30:27 +0200, Johannes Berg wrote > > On Tue, 2009-05-12 at 11:29 -0400, Bob Copeland wrote: > > > Will pre-scan be called once per scan or once for every channel switch? > > > If the former, I think it's not the right place to flush. > > > > The former. > > Hmm, nevermind, it should work. I was thinking of queued tx status > work not being on the right channel, but I guess we don't do that for probe > requests. Ermm? wait... what do we do when the userspace does channel switch & scans? I think, some aircrack tools actually do this. Will they also call pre_scan? > And for ar9170 RX is processed synchronously as far as I can tell. most of the time yes... unless we have to _reconstruct_ a stream, because the hw/fw clipped a few byte from a frame. Regards, Chr