From patchwork Wed Nov 2 01:42:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 621067 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 D6BE9C4332F for ; Wed, 2 Nov 2022 01:43:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229968AbiKBBnx (ORCPT ); Tue, 1 Nov 2022 21:43:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229912AbiKBBnw (ORCPT ); Tue, 1 Nov 2022 21:43:52 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 73DE9DEC1 for ; Tue, 1 Nov 2022 18:43:48 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 2A21gvHB3012576, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36506.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 2A21gvHB3012576 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Wed, 2 Nov 2022 09:42:57 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36506.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.9; Wed, 2 Nov 2022 09:43:33 +0800 Received: from localhost (172.21.69.188) by RTEXMBS04.realtek.com.tw (172.21.6.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Wed, 2 Nov 2022 09:43:33 +0800 From: Ping-Ke Shih To: CC: , Subject: [PATCH 0/2] wifi: rtw89: dump registers to help diagnose TX/RX stuck issue Date: Wed, 2 Nov 2022 09:42:58 +0800 Message-ID: <20221102014300.14091-1-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [172.21.69.188] X-ClientProxiedBy: RTEXMBS02.realtek.com.tw (172.21.6.95) To RTEXMBS04.realtek.com.tw (172.21.6.97) X-KSE-ServerInfo: RTEXMBS04.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: trusted connection X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Deterministic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 11/02/2022 01:23:00 X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: =?big5_tw?b?Q2xlYW4sIGJhc2VzOiAyMDIyLzExLzEgpFWkyCAxMDoz?= =?big5_tw?b?MzowMA==?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Somehow, users report WiFi get stuck, but can't reproduce the issue again. To analyze this, we plan to dump more registers related to TX/RX stuck, and then it would be possible to address the issue. Eventually, we can add a rule to recover this abnormal symptom by SER (System Error Recovery) mechanism. Chia-Yuan Li (2): wifi: rtw89: dump dispatch status via debug port wifi: rtw89: update D-MAC and C-MAC dump to diagnose SER drivers/net/wireless/realtek/rtw89/debug.c | 1001 ++++++++++++++++++-- drivers/net/wireless/realtek/rtw89/mac.c | 374 +++++--- drivers/net/wireless/realtek/rtw89/mac.h | 46 + drivers/net/wireless/realtek/rtw89/pci.h | 12 + drivers/net/wireless/realtek/rtw89/reg.h | 234 ++++- 5 files changed, 1470 insertions(+), 197 deletions(-)