Return-path: Received: from s3.sipsolutions.net ([144.76.43.62]:38516 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726177AbeITPD6 (ORCPT ); Thu, 20 Sep 2018 11:03:58 -0400 Message-ID: <1537435276.3874.14.camel@sipsolutions.net> (sfid-20180920_112130_398595_74D4AA22) Subject: Re: [PATCH] mac80211: allow scans on radar channels, unless there is CAC or CSA From: Johannes Berg To: Simon Wunderlich , linux-wireless@vger.kernel.org Cc: Eliad Peller Date: Thu, 20 Sep 2018 11:21:16 +0200 In-Reply-To: <20180918141633.10282-1-sw@simonwunderlich.de> References: <20180918141633.10282-1-sw@simonwunderlich.de> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, 2018-09-18 at 16:16 +0200, Simon Wunderlich wrote: > Operating on a DFS channel doesn't mean we can't leave it for a short > time - actually, some features like off-channel CAC work by leaving the > operation channel to check other channels for availability (although > off-channel CAC isn't implemented in mac80211). In our case, we want to > use mesh while doing background surveys on other channels from time to > time. Actually ... as far as I can tell it *does* mean that, at least currently for FCC. johannes