From patchwork Fri Jun 10 06:51:00 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: 581970 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 559B4C433EF for ; Fri, 10 Jun 2022 06:52:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346440AbiFJGwD (ORCPT ); Fri, 10 Jun 2022 02:52:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343511AbiFJGv4 (ORCPT ); Fri, 10 Jun 2022 02:51:56 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4DAF42A25A for ; Thu, 9 Jun 2022 23:51:54 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 25A6pftO7000803, 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 25A6pftO7000803 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 10 Jun 2022 14:51:41 +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 15.1.2375.28; Fri, 10 Jun 2022 14:51:41 +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 15.1.2308.21; Fri, 10 Jun 2022 14:51:40 +0800 From: Ping-Ke Shih To: , CC: , , , Subject: [PATCH 3/5] rtw88: fix stopping queues in wrong timing when HW scan Date: Fri, 10 Jun 2022 14:51:00 +0800 Message-ID: <20220610065102.17580-4-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220610065102.17580-1-pkshih@realtek.com> References: <20220610065102.17580-1-pkshih@realtek.com> 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: 06/10/2022 06:35:00 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?Q2xlYW4sIGJhc2VzOiAyMDIyLzYvMTAgpFekyCAwNDoy?= =?big5_tw?b?MDowMA==?= 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 From: Chih-Kang Chang HW scan need to start queues after switch to OP channel, and stop queues before leaving op channel. However, in original code, driver will start queues after switch to OP channel, but stop queues until switch to OP channel next time, that will cause packets transmitted in wrong channel. So we fix the stop queues timing. Signed-off-by: Chih-Kang Chang Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw88/fw.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c index 2cceae93f0eb5..bb2e743d2ab22 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.c +++ b/drivers/net/wireless/realtek/rtw88/fw.c @@ -2217,7 +2217,12 @@ void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; rtw_coex_switchband_notify(rtwdev, chan_type); } - if (rtw_is_op_chan(rtwdev, chan)) + /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next + * channel that hardware will switch. We need to stop queue + * if next channel is non-op channel. + */ + if (!rtw_is_op_chan(rtwdev, chan) && + rtw_is_op_chan(rtwdev, hal->current_channel)) ieee80211_stop_queues(rtwdev->hw); }