Return-path: Received: from wolverine01.qualcomm.com ([199.106.114.254]:34428 "EHLO wolverine01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753923Ab2FGRus (ORCPT ); Thu, 7 Jun 2012 13:50:48 -0400 Message-ID: <4FD0E9EA.4090704@qca.qualcomm.com> (sfid-20120607_195051_348648_14DEAF52) Date: Thu, 7 Jun 2012 20:50:34 +0300 From: Kalle Valo MIME-Version: 1.0 To: Dan Williams CC: Thomas Pedersen , , , Subject: Re: [RFC 1/2] nl80211: specify RSSI threshold when scanning References: <1339036996-6199-1-git-send-email-c_tpeder@qca.qualcomm.com> <1339084251.2434.2.camel@dcbw.foobar.com> In-Reply-To: <1339084251.2434.2.camel@dcbw.foobar.com> Content-Type: text/plain; charset="UTF-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: On 06/07/2012 06:50 PM, Dan Williams wrote: > On Wed, 2012-06-06 at 19:43 -0700, Thomas Pedersen wrote: >> Support configuring an RSSI threshold in dBm (s32) when scanning, >> below which a BSS won't be reported by the cfg80211 driver. > > What's the point of this? Shouldn't the driver report all available > APs, even if the signal is small, and then userspace (or whatever is > handling scan results) just ignores ones it doesn't care about? When you do this on the firmware you can reduce host wakeups and hence save power. Kalle