Return-path: Received: from mga02.intel.com ([134.134.136.20]:11003 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751667AbaCEJQv convert rfc822-to-8bit (ORCPT ); Wed, 5 Mar 2014 04:16:51 -0500 From: "Grumbach, Emmanuel" To: Jouni Malinen CC: "johannes@sipsolutions.net" , "linux-wireless@vger.kernel.org" Subject: RE: [PATCH 2/2] mac80211: ignore probe response from adjacent channels Date: Wed, 5 Mar 2014 09:16:44 +0000 Message-ID: <0BA3FCBA62E2DC44AF3030971E174FB303D786F6@HASMSX103.ger.corp.intel.com> (sfid-20140305_101657_542494_A1AD3E15) References: <1393944614-4465-1-git-send-email-emmanuel.grumbach@intel.com> <1393944614-4465-2-git-send-email-emmanuel.grumbach@intel.com> <20140305090854.GA3544@w1.fi> In-Reply-To: <20140305090854.GA3544@w1.fi> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: > > On Tue, Mar 04, 2014 at 04:50:14PM +0200, Emmanuel Grumbach wrote: > > This logic is already implemented in ieee80211_rx_mgmt_beacon. > > The purpose is to ignore probe responses that are received on adjacent > > channels. This can happen in 2.4GHz since channels overlap. > > Why would this be done? I can understand not updating signal information, > but dropping Probe Response frames completely sounds quite undesirable. > These can be used to help optimize partial scans and any additional > information that can be used without having to change channels sounds > helpful to me. > So I guess you want me to revert the code we currently have in ieee80211_rx_mgmt_beacon ;) Don't know really... If you are associated to an AP and hear its beacons / probe responses on another channel you really have a big problem in your radio?