Return-path: Received: from he.sipsolutions.net ([78.46.109.217]:50553 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760129Ab0JGHwl (ORCPT ); Thu, 7 Oct 2010 03:52:41 -0400 Subject: Re: [PATCH 4/5] nl80211/mac80211: Add channel utilization to survey From: Johannes Berg To: Helmut Schaa Cc: Bruno Randolf , linville@tuxdriver.com, nbd@openwrt.org, ath5k-devel@lists.ath5k.org, linux-wireless@vger.kernel.org, adrian@freebsd.org, vasanth@atheros.com, "Luis R. Rodriguez" , Jonathan Guerin In-Reply-To: References: <20101005095510.3083.46174.stgit@tt-desk> <201010071003.37599.br1@einfach.org> <201010071606.37134.br1@einfach.org> Content-Type: text/plain; charset="UTF-8" Date: Thu, 07 Oct 2010 09:52:34 +0200 Message-ID: <1286437954.3657.17.camel@jlt3.sipsolutions.net> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, 2010-10-07 at 09:44 +0200, Helmut Schaa wrote: > So, I guess it makes sense to just return the calculated channel > utilization value (u8) > and keep it up to date within the driver. Not good, that means drivers implementing this will have to wake the CPU to do calculations even if nobody cares. johannes