Return-path: Received: from alexa-out.qualcomm.com ([129.46.98.28]:8911 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756099AbdKNRia (ORCPT ); Tue, 14 Nov 2017 12:38:30 -0500 From: Peng Xu To: Jouni Malinen CC: Johannes Berg , "linux-wireless@vger.kernel.org" , "Sara Sharon" Subject: RE: [RFC] cfg80211: Implement Multiple BSSID capability in scanning Date: Tue, 14 Nov 2017 17:38:26 +0000 Message-ID: <59a37842482b40ceb5e60c2155bca78c@NASANEXM01F.na.qualcomm.com> (sfid-20171114_184050_261011_A7AA8CBA) References: <1509554358-10473-1-git-send-email-jouni@qca.qualcomm.com> <1510664296.2030.22.camel@sipsolutions.net> <4927d2288442486788cd5b4d0492537a@NASANEXM01F.na.qualcomm.com> <1510669408.2030.23.camel@sipsolutions.net> <929d1fdb74524aeaab4959f84a82c732@NASANEXM01F.na.qualcomm.com> <1510669995.2030.26.camel@sipsolutions.net> <20171114163127.GA24453@jouni.qca.qualcomm.com> In-Reply-To: <20171114163127.GA24453@jouni.qca.qualcomm.com> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: > On Tue, Nov 14, 2017 at 02:39:31PM +0000, Peng Xu wrote: > > > I'm not even sure why this is necessary anyway though, do we really > > > think vendors will expect to be able to put vendor IEs inside the > > > subelements and override the ones outside? > > > > > > Is there even any point for the WFA ones? It seems WMM really ought > > > to be the same for all anyway, for example. > > > > I don't have any use case for such scenario. If vendor elements are > > unlikely to be present in subelement, this logic can be removed. >=20 > As far as WMM element is concerned, I'd note that IEEE 802.11 standard do= es > not list EDCA Parameter Set element as one of the items that has to be sa= me > for all the BSSs in a multiple BSSID set and as such, I'd consider it to = be > allowed behavior for an AP to advertise different WMM parameters for > different nontransmitted BSSIDs. >=20 > As far as other vendor specific elements are concerned, there could certa= inly > be use cases for using different values for WPA element, Hotspot 2.0 > element, MBO/OCE element. >=20 Hi Jouni, As you pointed out the use cases for having vendor elements in MBSSID subel= ements, what is your suggestion to identify and process the vendor elements?=20 Thanks, Peng