From patchwork Fri Jun 10 07:26:07 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: 581148 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 7952BCCA47B for ; Fri, 10 Jun 2022 07:27:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343868AbiFJH13 (ORCPT ); Fri, 10 Jun 2022 03:27:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346770AbiFJH1B (ORCPT ); Fri, 10 Jun 2022 03:27:01 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05D77144FE1 for ; Fri, 10 Jun 2022 00:26:58 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 25A7QroN6010175, 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 25A7QroN6010175 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 10 Jun 2022 15:26:53 +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 15:26:53 +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 15:26:53 +0800 From: Ping-Ke Shih To: CC: , , Subject: [PATCH 08/11] rtw89: drop invalid TX rate report of legacy rate Date: Fri, 10 Jun 2022 15:26:07 +0800 Message-ID: <20220610072610.27095-9-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220610072610.27095-1-pkshih@realtek.com> References: <20220610072610.27095-1-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 07:06:00 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?Q2xlYW4sIGJhc2VzOiAyMDIyLzYvMTAgpFekyCAwNjow?= =?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 Somehow, firmware could report invalid TX rate, and we consider the invalid rate as 0 that will make a wrong decision. So, drop invalid reports, and also suppress the warning message. Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/core.c | 9 +++++---- drivers/net/wireless/realtek/rtw89/core.h | 2 +- drivers/net/wireless/realtek/rtw89/phy.c | 14 +++++++++++--- 3 files changed, 17 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index c494ad9013078..b296c39329292 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -155,18 +155,19 @@ static struct ieee80211_rate rtw89_bitrates[] = { { .bitrate = 540, .hw_value = 0x0b, }, }; -u16 rtw89_ra_report_to_bitrate(struct rtw89_dev *rtwdev, u8 rpt_rate) +bool rtw89_ra_report_to_bitrate(struct rtw89_dev *rtwdev, u8 rpt_rate, u16 *bitrate) { struct ieee80211_rate rate; if (unlikely(rpt_rate >= ARRAY_SIZE(rtw89_bitrates))) { - rtw89_info(rtwdev, "invalid rpt rate %d\n", rpt_rate); - return 0; + rtw89_debug(rtwdev, RTW89_DBG_UNEXP, "invalid rpt rate %d\n", rpt_rate); + return false; } rate = rtw89_bitrates[rpt_rate]; + *bitrate = rate.bitrate; - return rate.bitrate; + return true; } static struct ieee80211_supported_band rtw89_sband_2ghz = { diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index e05f17c6545e9..ff3aeffbd20ad 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -3893,7 +3893,7 @@ int rtw89_core_acquire_sta_ba_entry(struct rtw89_sta *rtwsta, u8 tid, u8 *cam_id int rtw89_core_release_sta_ba_entry(struct rtw89_sta *rtwsta, u8 tid, u8 *cam_idx); void rtw89_vif_type_mapping(struct ieee80211_vif *vif, bool assoc); int rtw89_chip_info_setup(struct rtw89_dev *rtwdev); -u16 rtw89_ra_report_to_bitrate(struct rtw89_dev *rtwdev, u8 rpt_rate); +bool rtw89_ra_report_to_bitrate(struct rtw89_dev *rtwdev, u8 rpt_rate, u16 *bitrate); int rtw89_regd_init(struct rtw89_dev *rtwdev, void (*reg_notifier)(struct wiphy *wiphy, struct regulatory_request *request)); void rtw89_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request); diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c index 762cdba9d3cfd..2d9d2d4c8fecf 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.c +++ b/drivers/net/wireless/realtek/rtw89/phy.c @@ -1918,21 +1918,29 @@ static void rtw89_phy_c2h_ra_rpt_iter(void *data, struct ieee80211_sta *sta) struct rtw89_ra_report *ra_report = &rtwsta->ra_report; struct sk_buff *c2h = ra_data->c2h; u8 mode, rate, bw, giltf, mac_id; + u16 legacy_bitrate; + bool valid; mac_id = RTW89_GET_PHY_C2H_RA_RPT_MACID(c2h->data); if (mac_id != rtwsta->mac_id) return; - memset(ra_report, 0, sizeof(*ra_report)); - rate = RTW89_GET_PHY_C2H_RA_RPT_MCSNSS(c2h->data); bw = RTW89_GET_PHY_C2H_RA_RPT_BW(c2h->data); giltf = RTW89_GET_PHY_C2H_RA_RPT_GILTF(c2h->data); mode = RTW89_GET_PHY_C2H_RA_RPT_MD_SEL(c2h->data); + if (mode == RTW89_RA_RPT_MODE_LEGACY) { + valid = rtw89_ra_report_to_bitrate(rtwdev, rate, &legacy_bitrate); + if (!valid) + return; + } + + memset(ra_report, 0, sizeof(*ra_report)); + switch (mode) { case RTW89_RA_RPT_MODE_LEGACY: - ra_report->txrate.legacy = rtw89_ra_report_to_bitrate(rtwdev, rate); + ra_report->txrate.legacy = legacy_bitrate; break; case RTW89_RA_RPT_MODE_HT: ra_report->txrate.flags |= RATE_INFO_FLAGS_MCS;