From patchwork Sat May 27 08:29:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 13257588 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 EB816C77B73 for ; Sat, 27 May 2023 08:30:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231699AbjE0IaM (ORCPT ); Sat, 27 May 2023 04:30:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229684AbjE0IaL (ORCPT ); Sat, 27 May 2023 04:30:11 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 577CEDF; Sat, 27 May 2023 01:30:10 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 34R8TnyaE019719, 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 34R8TnyaE019719 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Sat, 27 May 2023 16:29:49 +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 15.1.2507.17; Sat, 27 May 2023 16:30:01 +0800 Received: from [127.0.1.1] (172.16.16.243) 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; Sat, 27 May 2023 16:30:01 +0800 From: Ping-Ke Shih To: , CC: , Subject: [PATCH 1/3] wifi: rtw88: correct PS calculation for SUPPORTS_DYNAMIC_PS Date: Sat, 27 May 2023 16:29:37 +0800 Message-ID: <20230527082939.11206-2-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230527082939.11206-1-pkshih@realtek.com> References: <20230527082939.11206-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.16.16.243] 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: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This driver relies on IEEE80211_CONF_PS of hw->conf.flags to turn off PS or turn on dynamic PS controlled by driver and firmware. Though this would be incorrect, it did work before because the flag is always recalculated until the commit 28977e790b5d ("wifi: mac80211: skip powersave recalc if driver SUPPORTS_DYNAMIC_PS") is introduced by kernel 5.20 to skip to recalculate IEEE80211_CONF_PS of hw->conf.flags if driver sets SUPPORTS_DYNAMIC_PS. Correct this by doing recalculation while BSS_CHANGED_PS is changed and interface is added or removed. It is allowed to enter PS only if single one station vif is working. Without this fix, driver doesn't enter PS anymore that causes higher power consumption. Fixes: bcde60e599fb ("rtw88: remove misleading module parameter rtw_fw_support_lps") Cc: stable@vger.kernel.org # 6.1+ Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw88/mac80211.c | 14 +++--- drivers/net/wireless/realtek/rtw88/main.c | 4 +- drivers/net/wireless/realtek/rtw88/ps.c | 43 +++++++++++++++++++ drivers/net/wireless/realtek/rtw88/ps.h | 2 + 4 files changed, 52 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c index 02cd19ee6e4c4..95808130a76a5 100644 --- a/drivers/net/wireless/realtek/rtw88/mac80211.c +++ b/drivers/net/wireless/realtek/rtw88/mac80211.c @@ -88,15 +88,6 @@ static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed) } } - if (changed & IEEE80211_CONF_CHANGE_PS) { - if (hw->conf.flags & IEEE80211_CONF_PS) { - rtwdev->ps_enabled = true; - } else { - rtwdev->ps_enabled = false; - rtw_leave_lps(rtwdev); - } - } - if (changed & IEEE80211_CONF_CHANGE_CHANNEL) rtw_set_channel(rtwdev); @@ -215,6 +206,7 @@ static int rtw_ops_add_interface(struct ieee80211_hw *hw, config |= PORT_SET_BCN_CTRL; rtw_vif_port_config(rtwdev, rtwvif, config); rtw_core_port_switch(rtwdev, vif); + rtw_recalc_lps(rtwdev, vif); mutex_unlock(&rtwdev->mutex); @@ -246,6 +238,7 @@ static void rtw_ops_remove_interface(struct ieee80211_hw *hw, config |= PORT_SET_BCN_CTRL; rtw_vif_port_config(rtwdev, rtwvif, config); clear_bit(rtwvif->port, rtwdev->hw_port); + rtw_recalc_lps(rtwdev, NULL); mutex_unlock(&rtwdev->mutex); } @@ -440,6 +433,9 @@ static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, if (changed & BSS_CHANGED_ERP_SLOT) rtw_conf_tx(rtwdev, rtwvif); + if (changed & BSS_CHANGED_PS) + rtw_recalc_lps(rtwdev, NULL); + rtw_vif_port_config(rtwdev, rtwvif, config); mutex_unlock(&rtwdev->mutex); diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index 5bf6b45815578..d49019d972387 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -271,8 +271,8 @@ static void rtw_watch_dog_work(struct work_struct *work) * more than two stations associated to the AP, then we can not enter * lps, because fw does not handle the overlapped beacon interval * - * mac80211 should iterate vifs and determine if driver can enter - * ps by passing IEEE80211_CONF_PS to us, all we need to do is to + * rtw_recalc_lps() iterate vifs and determine if driver can enter + * ps by vif->type and vif->cfg.ps, all we need to do here is to * get that vif and check if device is having traffic more than the * threshold. */ diff --git a/drivers/net/wireless/realtek/rtw88/ps.c b/drivers/net/wireless/realtek/rtw88/ps.c index 996365575f44f..53933fb38a330 100644 --- a/drivers/net/wireless/realtek/rtw88/ps.c +++ b/drivers/net/wireless/realtek/rtw88/ps.c @@ -299,3 +299,46 @@ void rtw_leave_lps_deep(struct rtw_dev *rtwdev) __rtw_leave_lps_deep(rtwdev); } + +struct rtw_vif_recalc_lps_iter_data { + struct rtw_dev *rtwdev; + struct ieee80211_vif *found_vif; + int count; +}; + +static void __rtw_vif_recalc_lps(struct rtw_vif_recalc_lps_iter_data *data, + struct ieee80211_vif *vif) +{ + if (data->count < 0) + return; + + if (vif->type != NL80211_IFTYPE_STATION) { + data->count = -1; + return; + } + + data->count++; + data->found_vif = vif; +} + +static void rtw_vif_recalc_lps_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + __rtw_vif_recalc_lps(data, vif); +} + +void rtw_recalc_lps(struct rtw_dev *rtwdev, struct ieee80211_vif *new_vif) +{ + struct rtw_vif_recalc_lps_iter_data data = { .rtwdev = rtwdev }; + + if (new_vif) + __rtw_vif_recalc_lps(&data, new_vif); + rtw_iterate_vifs(rtwdev, rtw_vif_recalc_lps_iter, &data); + + if (data.count == 1 && data.found_vif->cfg.ps) { + rtwdev->ps_enabled = true; + } else { + rtwdev->ps_enabled = false; + rtw_leave_lps(rtwdev); + } +} diff --git a/drivers/net/wireless/realtek/rtw88/ps.h b/drivers/net/wireless/realtek/rtw88/ps.h index c194386f6db53..5ae83d2526cfd 100644 --- a/drivers/net/wireless/realtek/rtw88/ps.h +++ b/drivers/net/wireless/realtek/rtw88/ps.h @@ -23,4 +23,6 @@ void rtw_enter_lps(struct rtw_dev *rtwdev, u8 port_id); void rtw_leave_lps(struct rtw_dev *rtwdev); void rtw_leave_lps_deep(struct rtw_dev *rtwdev); enum rtw_lps_deep_mode rtw_get_lps_deep_mode(struct rtw_dev *rtwdev); +void rtw_recalc_lps(struct rtw_dev *rtwdev, struct ieee80211_vif *new_vif); + #endif From patchwork Sat May 27 08:29:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 13257589 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 EF230C7EE2F for ; Sat, 27 May 2023 08:30:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231722AbjE0IaO (ORCPT ); Sat, 27 May 2023 04:30:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231681AbjE0IaM (ORCPT ); Sat, 27 May 2023 04:30:12 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D2101E1; Sat, 27 May 2023 01:30:10 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 34R8To962019723, 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 (8.15.2/2.81/5.90) with ESMTPS id 34R8To962019723 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Sat, 27 May 2023 16:29:50 +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 15.1.2375.32; Sat, 27 May 2023 16:30:02 +0800 Received: from [127.0.1.1] (172.16.16.243) 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; Sat, 27 May 2023 16:30:02 +0800 From: Ping-Ke Shih To: , CC: , Subject: [PATCH 2/3] wifi: rtw89: correct PS calculation for SUPPORTS_DYNAMIC_PS Date: Sat, 27 May 2023 16:29:38 +0800 Message-ID: <20230527082939.11206-3-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230527082939.11206-1-pkshih@realtek.com> References: <20230527082939.11206-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.16.16.243] 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: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-ServerInfo: RTEXH36505.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This driver relies on IEEE80211_CONF_PS of hw->conf.flags to turn off PS or turn on dynamic PS controlled by driver and firmware. Though this would be incorrect, it did work before because the flag is always recalculated until the commit 28977e790b5d ("wifi: mac80211: skip powersave recalc if driver SUPPORTS_DYNAMIC_PS") is introduced by kernel 5.20 to skip to recalculate IEEE80211_CONF_PS of hw->conf.flags if driver sets SUPPORTS_DYNAMIC_PS. Correct this by doing recalculation while BSS_CHANGED_PS is changed and interface is added or removed. For now, it is allowed to enter PS only if single one station vif is working, and it could possible to have PS per vif after firmware can support it. Without this fix, driver doesn't enter PS anymore that causes higher power consumption. Fixes: e3ec7017f6a2 ("rtw89: add Realtek 802.11ax driver") Cc: stable@vger.kernel.org # 6.1+ Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/mac80211.c | 15 +++++------ drivers/net/wireless/realtek/rtw89/ps.c | 26 +++++++++++++++++++ drivers/net/wireless/realtek/rtw89/ps.h | 1 + 3 files changed, 33 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/mac80211.c b/drivers/net/wireless/realtek/rtw89/mac80211.c index f40d70f016e4c..0ffd7fb489a5e 100644 --- a/drivers/net/wireless/realtek/rtw89/mac80211.c +++ b/drivers/net/wireless/realtek/rtw89/mac80211.c @@ -89,15 +89,6 @@ static int rtw89_ops_config(struct ieee80211_hw *hw, u32 changed) !(hw->conf.flags & IEEE80211_CONF_IDLE)) rtw89_leave_ips(rtwdev); - if (changed & IEEE80211_CONF_CHANGE_PS) { - if (hw->conf.flags & IEEE80211_CONF_PS) { - rtwdev->lps_enabled = true; - } else { - rtw89_leave_lps(rtwdev); - rtwdev->lps_enabled = false; - } - } - if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { rtw89_config_entity_chandef(rtwdev, RTW89_SUB_ENTITY_0, &hw->conf.chandef); @@ -168,6 +159,8 @@ static int rtw89_ops_add_interface(struct ieee80211_hw *hw, rtw89_core_txq_init(rtwdev, vif->txq); rtw89_btc_ntfy_role_info(rtwdev, rtwvif, NULL, BTC_ROLE_START); + + rtw89_recalc_lps(rtwdev); out: mutex_unlock(&rtwdev->mutex); @@ -192,6 +185,7 @@ static void rtw89_ops_remove_interface(struct ieee80211_hw *hw, rtw89_mac_remove_vif(rtwdev, rtwvif); rtw89_core_release_bit_map(rtwdev->hw_port, rtwvif->port); list_del_init(&rtwvif->list); + rtw89_recalc_lps(rtwdev); rtw89_enter_ips_by_hwflags(rtwdev); mutex_unlock(&rtwdev->mutex); @@ -451,6 +445,9 @@ static void rtw89_ops_bss_info_changed(struct ieee80211_hw *hw, if (changed & BSS_CHANGED_CQM) rtw89_fw_h2c_set_bcn_fltr_cfg(rtwdev, vif, true); + if (changed & BSS_CHANGED_PS) + rtw89_recalc_lps(rtwdev); + mutex_unlock(&rtwdev->mutex); } diff --git a/drivers/net/wireless/realtek/rtw89/ps.c b/drivers/net/wireless/realtek/rtw89/ps.c index fa94335f699aa..84201ef19c176 100644 --- a/drivers/net/wireless/realtek/rtw89/ps.c +++ b/drivers/net/wireless/realtek/rtw89/ps.c @@ -252,3 +252,29 @@ void rtw89_process_p2p_ps(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif) rtw89_p2p_disable_all_noa(rtwdev, vif); rtw89_p2p_update_noa(rtwdev, vif); } + +void rtw89_recalc_lps(struct rtw89_dev *rtwdev) +{ + struct ieee80211_vif *vif, *found_vif = NULL; + struct rtw89_vif *rtwvif; + int count = 0; + + rtw89_for_each_rtwvif(rtwdev, rtwvif) { + vif = rtwvif_to_vif(rtwvif); + + if (vif->type != NL80211_IFTYPE_STATION) { + count = 0; + break; + } + + count++; + found_vif = vif; + } + + if (count == 1 && found_vif->cfg.ps) { + rtwdev->lps_enabled = true; + } else { + rtw89_leave_lps(rtwdev); + rtwdev->lps_enabled = false; + } +} diff --git a/drivers/net/wireless/realtek/rtw89/ps.h b/drivers/net/wireless/realtek/rtw89/ps.h index 73c008db04264..4c18f49204b28 100644 --- a/drivers/net/wireless/realtek/rtw89/ps.h +++ b/drivers/net/wireless/realtek/rtw89/ps.h @@ -15,6 +15,7 @@ void rtw89_enter_ips(struct rtw89_dev *rtwdev); void rtw89_leave_ips(struct rtw89_dev *rtwdev); void rtw89_set_coex_ctrl_lps(struct rtw89_dev *rtwdev, bool btc_ctrl); void rtw89_process_p2p_ps(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif); +void rtw89_recalc_lps(struct rtw89_dev *rtwdev); static inline void rtw89_leave_ips_by_hwflags(struct rtw89_dev *rtwdev) { From patchwork Sat May 27 08:29:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 13257590 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 6AB33C7EE2C for ; Sat, 27 May 2023 08:30:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231727AbjE0IaP (ORCPT ); Sat, 27 May 2023 04:30:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52478 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231708AbjE0IaN (ORCPT ); Sat, 27 May 2023 04:30:13 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30E91DF; Sat, 27 May 2023 01:30:11 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 34R8TqdcE019728, 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 34R8TqdcE019728 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Sat, 27 May 2023 16:29:52 +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 15.1.2507.17; Sat, 27 May 2023 16:30:04 +0800 Received: from [127.0.1.1] (172.16.16.243) 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; Sat, 27 May 2023 16:30:04 +0800 From: Ping-Ke Shih To: , CC: , Subject: [PATCH 3/3] wifi: rtw89: remove redundant check of entering LPS Date: Sat, 27 May 2023 16:29:39 +0800 Message-ID: <20230527082939.11206-4-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230527082939.11206-1-pkshih@realtek.com> References: <20230527082939.11206-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.16.16.243] 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: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Originally, add this check rule to prevent entering LPS if more than one vif (in station mode) connect to AP. Since we have checked this by previous commit, remove this redundant check. Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/core.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index 101047686fffb..65581ca506d3f 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -2619,9 +2619,6 @@ static void rtw89_vif_enter_lps(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwv rtwvif->tdls_peer) return; - if (rtwdev->total_sta_assoc > 1) - return; - if (rtwvif->offchan) return;