From patchwork Thu Apr 22 03:04:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 426644 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7995FC433ED for ; Thu, 22 Apr 2021 03:04:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 38BF661404 for ; Thu, 22 Apr 2021 03:04:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233061AbhDVDFM (ORCPT ); Wed, 21 Apr 2021 23:05:12 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:45289 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232796AbhDVDFM (ORCPT ); Wed, 21 Apr 2021 23:05:12 -0400 Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.73 with qID 13M34UJQ0021047, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36502.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.71/5.88) with ESMTPS id 13M34UJQ0021047 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Thu, 22 Apr 2021 11:04:30 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXH36502.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Thu, 22 Apr 2021 11:04:30 +0800 Received: from localhost (172.21.69.146) 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 15.1.2106.2; Thu, 22 Apr 2021 11:04:29 +0800 From: Ping-Ke Shih To: , CC: , Subject: [PATCH v2 1/2] rtw88: follow the AP basic rates for tx mgmt frame Date: Thu, 22 Apr 2021 11:04:12 +0800 Message-ID: <20210422030413.9738-1-pkshih@realtek.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-Originating-IP: [172.21.69.146] X-ClientProxiedBy: RTEXMBS01.realtek.com.tw (172.21.6.94) To RTEXMBS04.realtek.com.tw (172.21.6.97) X-KSE-ServerInfo: RTEXMBS04.realtek.com.tw, 9 X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: =?big5?b?Q2xlYW4sIGJhc2VzOiAyMDIxLzQvMjEgpFWkyCAx?= =?big5?b?MToyMzowMA==?= X-KSE-Attachment-Filter-Triggered-Rules: Clean X-KSE-Attachment-Filter-Triggered-Filters: Clean X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-AntiSpam-Outbound-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 5.9.20, Database issued on: 04/22/2021 02:42:46 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 10 X-KSE-AntiSpam-Info: Lua profiles 163276 [Apr 21 2021] X-KSE-AntiSpam-Info: Version: 5.9.20.0 X-KSE-AntiSpam-Info: Envelope from: pkshih@realtek.com X-KSE-AntiSpam-Info: LuaCore: 442 442 b985cb57763b61d2a20abb585d5d4cc10c315b09 X-KSE-AntiSpam-Info: {Prob_from_in_msgid} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: d41d8cd98f00b204e9800998ecf8427e.com:7.1.1; realtek.com:7.1.1; 127.0.0.199:7.1.2 X-KSE-AntiSpam-Info: {Track_Chinese_Simplified, headers_charset} X-KSE-AntiSpam-Info: Rate: 10 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 04/22/2021 02:45:00 X-KSE-ServerInfo: RTEXH36502.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 X-KSE-AntiSpam-Outbound-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 5.9.20, Database issued on: 04/22/2021 02:46:47 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 10 X-KSE-AntiSpam-Info: Lua profiles 163276 [Apr 21 2021] X-KSE-AntiSpam-Info: Version: 5.9.20.0 X-KSE-AntiSpam-Info: Envelope from: pkshih@realtek.com X-KSE-AntiSpam-Info: LuaCore: 442 442 b985cb57763b61d2a20abb585d5d4cc10c315b09 X-KSE-AntiSpam-Info: {Prob_from_in_msgid} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: realtek.com:7.1.1; d41d8cd98f00b204e9800998ecf8427e.com:7.1.1; 127.0.0.199:7.1.2 X-KSE-AntiSpam-Info: Rate: 10 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 04/22/2021 02:50:00 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Yu-Yen Ting By default the driver uses the 1M and 6M rate for managemnt frames in 2G and 5G bands respectively. But when the basic rates is configured from the mac80211, we need to send the management frames according to the basic rates. This commit makes the driver use the lowest basic rates to send the management frames. Signed-off-by: Yu-Yen Ting Signed-off-by: Ping-Ke Shih Reviewed-by: Brian Norris Tested-by: Brian Norris --- v2: move debugfs as a separated patch v1: the original patch is "[PATCH 2/7] rtw88: follow the AP basic rates for tx mgmt frame" --- drivers/net/wireless/realtek/rtw88/tx.c | 26 ++++++++++++++++++++----- 1 file changed, 21 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/tx.c b/drivers/net/wireless/realtek/rtw88/tx.c index 0193708fc013..e5949a775283 100644 --- a/drivers/net/wireless/realtek/rtw88/tx.c +++ b/drivers/net/wireless/realtek/rtw88/tx.c @@ -233,17 +233,33 @@ void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb, int src) spin_unlock_irqrestore(&tx_report->q_lock, flags); } +static u8 rtw_get_mgmt_rate(struct rtw_dev *rtwdev, struct sk_buff *skb, + u8 lowest_rate, bool ignore_rate) +{ + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); + struct ieee80211_vif *vif = tx_info->control.vif; + + if (!vif || !vif->bss_conf.basic_rates || ignore_rate) + return lowest_rate; + + return __ffs(vif->bss_conf.basic_rates) + lowest_rate; +} + static void rtw_tx_pkt_info_update_rate(struct rtw_dev *rtwdev, struct rtw_tx_pkt_info *pkt_info, - struct sk_buff *skb) + struct sk_buff *skb, + bool ignore_rate) { if (rtwdev->hal.current_band_type == RTW_BAND_2G) { pkt_info->rate_id = RTW_RATEID_B_20M; - pkt_info->rate = DESC_RATE1M; + pkt_info->rate = rtw_get_mgmt_rate(rtwdev, skb, DESC_RATE1M, + ignore_rate); } else { pkt_info->rate_id = RTW_RATEID_G; - pkt_info->rate = DESC_RATE6M; + pkt_info->rate = rtw_get_mgmt_rate(rtwdev, skb, DESC_RATE6M, + ignore_rate); } + pkt_info->use_rate = true; pkt_info->dis_rate_fallback = true; } @@ -280,7 +296,7 @@ static void rtw_tx_mgmt_pkt_info_update(struct rtw_dev *rtwdev, struct ieee80211_sta *sta, struct sk_buff *skb) { - rtw_tx_pkt_info_update_rate(rtwdev, pkt_info, skb); + rtw_tx_pkt_info_update_rate(rtwdev, pkt_info, skb, false); pkt_info->dis_qselseq = true; pkt_info->en_hwseq = true; pkt_info->hw_ssn_sel = 0; @@ -404,7 +420,7 @@ void rtw_tx_rsvd_page_pkt_info_update(struct rtw_dev *rtwdev, if (type != RSVD_BEACON && type != RSVD_DUMMY) pkt_info->qsel = TX_DESC_QSEL_MGMT; - rtw_tx_pkt_info_update_rate(rtwdev, pkt_info, skb); + rtw_tx_pkt_info_update_rate(rtwdev, pkt_info, skb, true); bmc = is_broadcast_ether_addr(hdr->addr1) || is_multicast_ether_addr(hdr->addr1); From patchwork Thu Apr 22 03:04:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 426152 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3403AC433B4 for ; Thu, 22 Apr 2021 03:04:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A426613CD for ; 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Thu, 22 Apr 2021 11:04:31 +0800 From: Ping-Ke Shih To: , CC: , Subject: [PATCH v2 2/2] rtw88: add debugfs to force lowest basic rate Date: Thu, 22 Apr 2021 11:04:13 +0800 Message-ID: <20210422030413.9738-2-pkshih@realtek.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20210422030413.9738-1-pkshih@realtek.com> References: <20210422030413.9738-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.69.146] X-ClientProxiedBy: RTEXH36502.realtek.com.tw (172.21.6.25) To RTEXMBS04.realtek.com.tw (172.21.6.97) X-KSE-ServerInfo: RTEXMBS04.realtek.com.tw, 9 X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: =?big5?b?Q2xlYW4sIGJhc2VzOiAyMDIxLzQvMjEgpFWkyCAx?= =?big5?b?MToyMzowMA==?= X-KSE-Attachment-Filter-Triggered-Rules: Clean X-KSE-Attachment-Filter-Triggered-Filters: Clean X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-AntiSpam-Outbound-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 5.9.20, Database issued on: 04/22/2021 02:42:46 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 10 X-KSE-AntiSpam-Info: Lua profiles 163276 [Apr 21 2021] X-KSE-AntiSpam-Info: Version: 5.9.20.0 X-KSE-AntiSpam-Info: Envelope from: pkshih@realtek.com X-KSE-AntiSpam-Info: LuaCore: 442 442 b985cb57763b61d2a20abb585d5d4cc10c315b09 X-KSE-AntiSpam-Info: {Prob_from_in_msgid} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: d41d8cd98f00b204e9800998ecf8427e.com:7.1.1; realtek.com:7.1.1; 127.0.0.199:7.1.2 X-KSE-AntiSpam-Info: {Track_Chinese_Simplified, headers_charset} X-KSE-AntiSpam-Info: Rate: 10 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 04/22/2021 02:45:00 X-KSE-ServerInfo: RTEXH36502.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 X-KSE-AntiSpam-Outbound-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 5.9.20, Database issued on: 04/22/2021 02:46:47 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 10 X-KSE-AntiSpam-Info: Lua profiles 163276 [Apr 21 2021] X-KSE-AntiSpam-Info: Version: 5.9.20.0 X-KSE-AntiSpam-Info: Envelope from: pkshih@realtek.com X-KSE-AntiSpam-Info: LuaCore: 442 442 b985cb57763b61d2a20abb585d5d4cc10c315b09 X-KSE-AntiSpam-Info: {Prob_from_in_msgid} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: realtek.com:7.1.1; d41d8cd98f00b204e9800998ecf8427e.com:7.1.1; 127.0.0.199:7.1.2 X-KSE-AntiSpam-Info: Rate: 10 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 04/22/2021 02:50:00 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Yu-Yen Ting The management frame with high rate e.g. 24M may not be transmitted smoothly in long range environment. Add a debugfs to force to use the lowest basic rate in order to debug the reachability of transmitting management frame. obtain current setting cat /sys/kernel/debug/ieee80211/phyX/rtw88/basic_rates force lowest rate: echo 1 > /sys/kernel/debug/ieee80211/phyX/rtw88/basic_rates Signed-off-by: Yu-Yen Ting Signed-off-by: Ping-Ke Shih Reviewed-by: Brian Norris --- drivers/net/wireless/realtek/rtw88/debug.c | 39 ++++++++++++++++++++++ drivers/net/wireless/realtek/rtw88/main.h | 1 + drivers/net/wireless/realtek/rtw88/tx.c | 3 +- 3 files changed, 42 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw88/debug.c b/drivers/net/wireless/realtek/rtw88/debug.c index 18ab472ea46c..a99a3dc6f9f9 100644 --- a/drivers/net/wireless/realtek/rtw88/debug.c +++ b/drivers/net/wireless/realtek/rtw88/debug.c @@ -861,6 +861,39 @@ static int rtw_debugfs_get_fw_crash(struct seq_file *m, void *v) return 0; } +static ssize_t rtw_debugfs_set_basic_rates(struct file *filp, + const char __user *buffer, + size_t count, loff_t *loff) +{ + struct seq_file *seqpriv = (struct seq_file *)filp->private_data; + struct rtw_debugfs_priv *debugfs_priv = seqpriv->private; + struct rtw_dev *rtwdev = debugfs_priv->rtwdev; + bool input; + int err; + + err = kstrtobool_from_user(buffer, count, &input); + if (err) + return err; + + if (input) + set_bit(RTW_FLAG_USE_LOWEST_RATE, rtwdev->flags); + else + clear_bit(RTW_FLAG_USE_LOWEST_RATE, rtwdev->flags); + + return count; +} + +static int rtw_debugfs_get_basic_rates(struct seq_file *m, void *v) +{ + struct rtw_debugfs_priv *debugfs_priv = m->private; + struct rtw_dev *rtwdev = debugfs_priv->rtwdev; + + seq_printf(m, "use lowest: %d\n", + test_bit(RTW_FLAG_USE_LOWEST_RATE, rtwdev->flags)); + + return 0; +} + static ssize_t rtw_debugfs_set_dm_cap(struct file *filp, const char __user *buffer, size_t count, loff_t *loff) @@ -1046,6 +1079,11 @@ static struct rtw_debugfs_priv rtw_debug_priv_fw_crash = { .cb_read = rtw_debugfs_get_fw_crash, }; +static struct rtw_debugfs_priv rtw_debug_priv_basic_rates = { + .cb_write = rtw_debugfs_set_basic_rates, + .cb_read = rtw_debugfs_get_basic_rates, +}; + static struct rtw_debugfs_priv rtw_debug_priv_dm_cap = { .cb_write = rtw_debugfs_set_dm_cap, .cb_read = rtw_debugfs_get_dm_cap, @@ -1125,6 +1163,7 @@ void rtw_debugfs_init(struct rtw_dev *rtwdev) rtw_debugfs_add_r(rf_dump); rtw_debugfs_add_r(tx_pwr_tbl); rtw_debugfs_add_rw(fw_crash); + rtw_debugfs_add_rw(basic_rates); rtw_debugfs_add_rw(dm_cap); } diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h index dc3744847ba9..0df5df3a62ab 100644 --- a/drivers/net/wireless/realtek/rtw88/main.h +++ b/drivers/net/wireless/realtek/rtw88/main.h @@ -362,6 +362,7 @@ enum rtw_flags { RTW_FLAG_BUSY_TRAFFIC, RTW_FLAG_WOWLAN, RTW_FLAG_RESTARTING, + RTW_FLAG_USE_LOWEST_RATE, NUM_OF_RTW_FLAGS, }; diff --git a/drivers/net/wireless/realtek/rtw88/tx.c b/drivers/net/wireless/realtek/rtw88/tx.c index e5949a775283..0aeed15736c8 100644 --- a/drivers/net/wireless/realtek/rtw88/tx.c +++ b/drivers/net/wireless/realtek/rtw88/tx.c @@ -238,8 +238,9 @@ static u8 rtw_get_mgmt_rate(struct rtw_dev *rtwdev, struct sk_buff *skb, { struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_vif *vif = tx_info->control.vif; + bool use_lowest = test_bit(RTW_FLAG_USE_LOWEST_RATE, rtwdev->flags); - if (!vif || !vif->bss_conf.basic_rates || ignore_rate) + if (!vif || !vif->bss_conf.basic_rates || ignore_rate || use_lowest) return lowest_rate; return __ffs(vif->bss_conf.basic_rates) + lowest_rate;