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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C7EBC43219 for ; Thu, 24 Nov 2022 06:49:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229645AbiKXGtP convert rfc822-to-8bit (ORCPT ); Thu, 24 Nov 2022 01:49:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54632 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229620AbiKXGtO (ORCPT ); Thu, 24 Nov 2022 01:49:14 -0500 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 21A42E01D; Wed, 23 Nov 2022 22:49:12 -0800 (PST) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 2AO6leCM3001394, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36505.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 2AO6leCM3001394 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Thu, 24 Nov 2022 14:47:40 +0800 Received: from RTEXMBS03.realtek.com.tw (172.21.6.96) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.32; Thu, 24 Nov 2022 14:48:23 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXMBS03.realtek.com.tw (172.21.6.96) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Thu, 24 Nov 2022 14:48:23 +0800 Received: from RTEXMBS04.realtek.com.tw ([fe80::15b5:fc4b:72f3:424b]) by RTEXMBS04.realtek.com.tw ([fe80::15b5:fc4b:72f3:424b%5]) with mapi id 15.01.2375.007; Thu, 24 Nov 2022 14:48:23 +0800 From: Ping-Ke Shih To: Sascha Hauer , Bernie Huang CC: "linux-wireless@vger.kernel.org" , "Hans Ulli Kroll" , Martin Blumenstingl , "netdev@vger.kernel.org" , Kalle Valo , Yan-Hsuan Chuang , "linux-kernel@vger.kernel.org" , Viktor Petrenko , Neo Jou , Bernie Huang , "kernel@pengutronix.de" , Johannes Berg , Alexander Hochbaum , Da Xue Subject: RE: [PATCH v3 00/11] RTW88: Add support for USB variants Thread-Topic: [PATCH v3 00/11] RTW88: Add support for USB variants Thread-Index: AQHY/oI6X+HeQwQE6E+5y32AEGOa3q5KgcmAgAMh88A= Date: Thu, 24 Nov 2022 06:48:23 +0000 Message-ID: <015051d9a5b94bbca5135c58d2cfebf3@realtek.com> References: <20221122145226.4065843-1-s.hauer@pengutronix.de> <20221122145527.GA29978@pengutronix.de> In-Reply-To: <20221122145527.GA29978@pengutronix.de> Accept-Language: en-US, zh-TW Content-Language: zh-TW X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.21.69.188] x-kse-serverinfo: RTEXMBS03.realtek.com.tw, 9 x-kse-attachmentfiltering-interceptor-info: no applicable attachment filtering rules found x-kse-antivirus-interceptor-info: scan successful x-kse-antivirus-info: =?us-ascii?Q?Clean,_bases:_2022/11/24_=3F=3F_04:46:00?= x-kse-bulkmessagesfiltering-scan-result: protection disabled Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-KSE-ServerInfo: RTEXH36505.realtek.com.tw, 9 X-KSE-Attachment-Filter-Triggered-Rules: Clean X-KSE-Attachment-Filter-Triggered-Filters: Clean X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: Sascha Hauer > Sent: Tuesday, November 22, 2022 10:55 PM > To: Bernie Huang > Cc: linux-wireless@vger.kernel.org; Ping-Ke Shih ; Hans Ulli Kroll > ; Martin Blumenstingl ; netdev@vger.kernel.org; > Kalle Valo ; Yan-Hsuan Chuang ; linux-kernel@vger.kernel.org; > Viktor Petrenko ; Neo Jou ; Bernie Huang ; > kernel@pengutronix.de; Johannes Berg ; Alexander Hochbaum ; > Da Xue > Subject: Re: [PATCH v3 00/11] RTW88: Add support for USB variants > > On Tue, Nov 22, 2022 at 03:52:15PM +0100, Sascha Hauer wrote: > > This is the third round of adding support for the USB variants to the > > RTW88 driver. There are a few changes to the last version which make it > > worth looking at this version. > > > > First of all RTL8723du and RTL8821cu are tested working now. The issue > > here was that the txdesc checksum calculation was wrong. I found the > > correct calculation in various downstream drivers found on github. > > > > The second big issue was that TX packet aggregation was wrong. When > > aggregating packets each packet start has to be aligned to eight bytes. > > The necessary alignment was added to the total URB length before > > checking if there is another packet to aggregate, so the URB length > > included that padding after the last packet, which is wrong. Fixing > > this makes the driver work much more reliably. > > > > I added all people to Cc: who showed interest in this driver and I want > > to welcome you for testing and reviewing. > > There still is a problem with the RTL8822cu chipset I have here. When > using NetworkManager I immediately lose the connection to the AP after > it has been connected: > > [ 376.213846] wlan0: authenticate with 76:83:c2:ce:81:b1 > [ 380.085463] wlan0: send auth to 76:83:c2:ce:81:b1 (try 1/3) > [ 380.091446] wlan0: authenticated > [ 380.108864] wlan0: associate with 76:83:c2:ce:81:b1 (try 1/3) > [ 380.136448] wlan0: RX AssocResp from 76:83:c2:ce:81:b1 (capab=0x1411 status=0 aid=2) > [ 380.202955] wlan0: associated > [ 380.268140] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready > [ 380.275328] wlan0: Connection to AP 76:83:c2:ce:81:b1 lost > > That doesn't happen when using plain wpa_supplicant. This seems to go > down to cd96e22bc1da ("rtw88: add beacon filter support"). After being > connected I get a BCN_FILTER_CONNECTION_LOSS beacon. Plain > wpa_supplicant seems to go another code patch and doesn't activate > connection quality monitoring. > > The connection to the AP works fluently also with NetworkManager though > when I just ignore the BCN_FILTER_CONNECTION_LOSS beacon. > > Any idea what may be wrong here? > Please reference to below patch to see if it can work to you. https://lore.kernel.org/linux-wireless/20221124064442.28042-1-pkshih@realtek.com/T/#u Ping-Ke