From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 80926C433E2 for ; Tue, 8 Sep 2020 18:30:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 40A1C207DE for ; Tue, 8 Sep 2020 18:30:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731672AbgIHSaf (ORCPT ); Tue, 8 Sep 2020 14:30:35 -0400 Received: from mail.adapt-ip.com ([173.164.178.19]:51560 "EHLO web.adapt-ip.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731639AbgIHSaf (ORCPT ); Tue, 8 Sep 2020 14:30:35 -0400 Received: from localhost (localhost [127.0.0.1]) by web.adapt-ip.com (Postfix) with ESMTP id A6F4C4F9A8E; Tue, 8 Sep 2020 18:30:34 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at web.adapt-ip.com Received: from web.adapt-ip.com ([127.0.0.1]) by localhost (web.adapt-ip.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id L4IYMSMXuQur; Tue, 8 Sep 2020 18:30:31 +0000 (UTC) Received: from mail.ibsgaard.io (c-73-223-60-234.hsd1.ca.comcast.net [73.223.60.234]) (Authenticated sender: thomas@adapt-ip.com) by web.adapt-ip.com (Postfix) with ESMTPSA id 88BCF4F9935; Tue, 8 Sep 2020 18:30:31 +0000 (UTC) MIME-Version: 1.0 Date: Tue, 08 Sep 2020 11:30:30 -0700 From: Thomas Pedersen To: Johannes Berg Cc: linux-wireless , Jouni Malinen Subject: Re: [PATCH v2 00/22] add support for S1G association In-Reply-To: References: <20200831205600.21058-1-thomas@adapt-ip.com> User-Agent: Roundcube Webmail/1.4.7 Message-ID: X-Sender: thomas@adapt-ip.com Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On 2020-09-06 09:04, Johannes Berg wrote: > On Mon, 2020-08-31 at 13:55 -0700, Thomas Pedersen wrote: >> >> Note the mac80211_hwsim S1G support introduces a regression in a few >> hostap hwsim tests. This is because when processing the reported >> bands, >> hostap assumes freq < 4000 is 11b, and the actual 11b/g band is >> overwritten by the S1G band info. Though it does count as a userspace >> regression, I'm not sure there is much to do about it besides apply a >> small patch to hostapd which treats freq < 2000 as an unknown band. >> >> After the hostap workaround >> (https://lists.infradead.org/pipermail/hostap/2020-August/038748.html), >> these patches continue to pass the hwsim tests as well as HEAD. > > > That sounds like we could "hack around" it by sending the S1G data > first, and then the 2.4 GHz, so the latter overwrites it on broken > versions? Yes that could work. > Not sure it's worth it though, I'd say it depends a bit on what real > hardware plans are? > > I mean, if it's only hwsim for now ... who cares? And if it's going to > be special hardware that only does S1G, then also meh, you need newer > versions to support it, big deal. AFAIK there are no multi-band S1G chips. The initial focus (from WFA) seems to be industrial IOT. > But if OTOH a commonly used chipset like e.g. ath9k or ath10k will get > S1G support, then that'd be more relevant? -- thomas