From patchwork Fri Apr 8 00:13:46 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: 12805935 X-Patchwork-Delegate: kvalo@adurom.com 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 CDA90C433FE for ; Fri, 8 Apr 2022 00:14:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232801AbiDHAQe (ORCPT ); Thu, 7 Apr 2022 20:16:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232771AbiDHAQY (ORCPT ); Thu, 7 Apr 2022 20:16:24 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 386DF239304 for ; Thu, 7 Apr 2022 17:14:22 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 2380EGTk8019397, 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 (8.15.2/2.71/5.88) with ESMTPS id 2380EGTk8019397 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 8 Apr 2022 08:14:16 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) 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 15.1.2375.24; Fri, 8 Apr 2022 08:14:16 +0800 Received: from localhost (172.16.21.190) 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 15.1.2308.21; Fri, 8 Apr 2022 08:14:15 +0800 From: Ping-Ke Shih To: CC: , , , Subject: [PATCH v2 06/13] rtw89: reset BA CAM Date: Fri, 8 Apr 2022 08:13:46 +0800 Message-ID: <20220408001353.17188-7-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220408001353.17188-1-pkshih@realtek.com> References: <20220408001353.17188-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.16.21.190] 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: 04/07/2022 23:57:00 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?Q2xlYW4sIGJhc2VzOiAyMDIyLzQvNyCkVaTIIDEwOjAw?= =?big5_tw?b?OjAw?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled 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-wireless@vger.kernel.org BA CAM is used to react receiving AMPDU packets, so reset them to be expected initial state. Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/mac.c | 18 ++++++++++++++++++ drivers/net/wireless/realtek/rtw89/reg.h | 2 ++ 2 files changed, 20 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index b6c063e54f4c5..91383c08beb3a 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -1964,6 +1964,21 @@ static int trxptcl_init(struct rtw89_dev *rtwdev, u8 mac_idx) return 0; } +static void rst_bacam(struct rtw89_dev *rtwdev) +{ + u32 val32; + int ret; + + rtw89_write32_mask(rtwdev, R_AX_RESPBA_CAM_CTRL, B_AX_BACAM_RST_MASK, + S_AX_BACAM_RST_ALL); + + ret = read_poll_timeout_atomic(rtw89_read32_mask, val32, val32 == 0, + 1, 1000, false, + rtwdev, R_AX_RESPBA_CAM_CTRL, B_AX_BACAM_RST_MASK); + if (ret) + rtw89_warn(rtwdev, "failed to reset BA CAM\n"); +} + static int rmac_init(struct rtw89_dev *rtwdev, u8 mac_idx) { #define TRXCFG_RMAC_CCA_TO 32 @@ -1978,6 +1993,9 @@ static int rmac_init(struct rtw89_dev *rtwdev, u8 mac_idx) if (ret) return ret; + if (mac_idx == RTW89_MAC_0) + rst_bacam(rtwdev); + reg = rtw89_mac_reg_by_idx(R_AX_RESPBA_CAM_CTRL, mac_idx); rtw89_write8_set(rtwdev, reg, B_AX_SSN_SEL); diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h index e5f8374f49ad5..bc343e756aad7 100644 --- a/drivers/net/wireless/realtek/rtw89/reg.h +++ b/drivers/net/wireless/realtek/rtw89/reg.h @@ -2819,6 +2819,8 @@ #define R_AX_RESPBA_CAM_CTRL 0xCE3C #define R_AX_RESPBA_CAM_CTRL_C1 0xEE3C #define B_AX_SSN_SEL BIT(2) +#define B_AX_BACAM_RST_MASK GENMASK(1, 0) +#define S_AX_BACAM_RST_ALL 2 #define R_AX_PPDU_STAT 0xCE40 #define R_AX_PPDU_STAT_C1 0xEE40