From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from s3.sipsolutions.net ([5.9.151.49]:38141 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752056AbbKZRFh (ORCPT ); Thu, 26 Nov 2015 12:05:37 -0500 Message-ID: <1448557534.2167.25.camel@sipsolutions.net> (sfid-20151126_180545_722354_36D9F628) Subject: Re: [PATCH v3] mac80211: do not actively scan DFS channels From: Johannes Berg To: Antonio Quartulli Cc: linux-wireless@vger.kernel.org, Antonio Quartulli Date: Thu, 26 Nov 2015 18:05:34 +0100 In-Reply-To: <1448100820-22567-1-git-send-email-antonio@meshcoding.com> References: <1448100820-22567-1-git-send-email-antonio@meshcoding.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sat, 2015-11-21 at 18:13 +0800, Antonio Quartulli wrote: > DFS channels should not be actively scanned as we can't be sure > if we are allowed or not. > > If the current channel is in the DFS band, active scan might be > performed after CSA, but we have no guarantee about other channels, > therefore it is safer to prevent active scanning at all. > Applied to mac80211.git, also added cc stable. I modified the code a bit to be shorter :) johannes