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=-10.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 6F9D6C4727E for ; Wed, 23 Sep 2020 17:40:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EA1CC20708 for ; Wed, 23 Sep 2020 17:40:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=candelatech.com header.i=@candelatech.com header.b="Vx9gSYlW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726761AbgIWRkg (ORCPT ); Wed, 23 Sep 2020 13:40:36 -0400 Received: from mail2.candelatech.com ([208.74.158.173]:57814 "EHLO mail3.candelatech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726621AbgIWRkg (ORCPT ); Wed, 23 Sep 2020 13:40:36 -0400 Received: from [192.168.254.6] (unknown [50.46.158.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail3.candelatech.com (Postfix) with ESMTPSA id 1088213C2B0; Wed, 23 Sep 2020 10:40:34 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com 1088213C2B0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1600882835; bh=TrRdEE1bfF/zK54bksFaYOhAOhTZ7EfmGTCdqIY9v0k=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=Vx9gSYlWGE+Nftk92BlGpfmCFblu546kBx7nasUUBLPZ1vHkgkQXD6kGNFJ7KvKoz 02RQm3aUqtYVZao8kj6XDpRSQ6LKuTXU1dgHmyzVNv3Dts091hyKV47Jfeh1eja402 1+G2mIFzUurhPY9+WmNVP6BPe8FjqcU3X2AUyIhQ= Subject: Re: Configuring WiFi6 in hostapd To: "Coelho, Luciano" , "johannes@sipsolutions.net" , "chaitanya.mgit@gmail.com" Cc: "linux-wireless@vger.kernel.org" , "sugandhgowda@gmail.com" , "Grumbach, Emmanuel" , "Cedric.Izoard@ceva-dsp.com" , "Hostap@lists.infradead.org" References: <27c3af2e3128614ffe6321a95935378f35fee1b3.camel@intel.com> From: Ben Greear Organization: Candela Technologies Message-ID: <0ef00fa9-d94a-8049-c711-6a061dabd4aa@candelatech.com> Date: Wed, 23 Sep 2020 10:40:34 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-MW Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On 9/23/20 1:36 AM, Coelho, Luciano wrote: > On Wed, 2020-09-23 at 11:16 +0300, Luciano Coelho wrote: >> On Thu, 2020-09-17 at 03:01 +0530, Krishna Chaitanya wrote: >>> On Sat, Sep 12, 2020 at 12:56 AM Krishna Chaitanya >>> wrote: >>>> On Fri, Sep 11, 2020 at 10:41 PM Johannes Berg >>>> wrote: >>>>> On Fri, 2020-09-11 at 20:37 +0530, Krishna Chaitanya wrote: >>>>> >>>>>>> [ 228.315290] iwlwifi 0000:03:00.0: 0x00002078 | ADVANCED_SYSASSERT >>>>>>> [ 228.315294] iwlwifi 0000:03:00.0: 0x00A0A200 | trm_hw_status0 >>>>>>> [ 228.315297] iwlwifi 0000:03:00.0: 0x00000000 | trm_hw_status1 >>>>>>> [ 228.315300] iwlwifi 0000:03:00.0: 0x004F8E3C | branchlink2 >>>>>>> [ 228.315303] iwlwifi 0000:03:00.0: 0x004E4FF4 | interruptlink1 >>>>>>> [ 228.315307] iwlwifi 0000:03:00.0: 0x004E4FF4 | interruptlink2 >>>>>>> [ 228.315310] iwlwifi 0000:03:00.0: 0x07000101 | data1 >>>>>>> [ 228.315313] iwlwifi 0000:03:00.0: 0x48308403 | data2 >>>>>>> [ 228.315316] iwlwifi 0000:03:00.0: 0x00000005 | data3 >>>>> >>>>> This means that we got an invalid TX rate, notably an HE rate was >>>>> requested/configured on a MAC configuration that didn't have HE. >>>>> >>>>> I think I saw some patches in this area (configuring the MAC to be HE) >>>>> fly by internally recently, but not sure... Luca probably knows. >>>> Ah okay. This was reported on 5.4 kernel, do you think is it worth >>>> trying on latest iwlwifi-next tree? Or as you are referring to the internal tree >>>> the issue is present in the latest as well? >>> Hi Luca, >>> >>> Can you please take a look? Any help is appreciated. >> >> Hi, >> >> There have been some new patches in this area, but after a quick look I >> didn't find anything specific that jumps out. I'll take a closer look >> and let you know if I find anything. > > In the meantime, you could try our public backport-iwlwifi tree, where > most of the internal tree is published: > > https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/backport-iwlwifi.git/ > > This is an out-of-tree driver, based on the linux-backports project. > You could try the core56 branch, for instance, or even master and > check if the problem is still there. If not, we can try to look for > the patch that fixes it and push it to stable. I'm curious if anyone is interested in helping to maintain a non-backports version of this, something like how I did the ath10k-ct driver. I'd like to use this driver, but don't want to use the rest of the backports funk. Thanks, Ben > > -- > Cheers, > Luca. > -- Ben Greear Candela Technologies Inc http://www.candelatech.com