From patchwork Sat Apr 1 12:44:07 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: 13196971 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 BCE1CC76196 for ; Sat, 1 Apr 2023 12:46:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229773AbjDAMpx (ORCPT ); Sat, 1 Apr 2023 08:45:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229569AbjDAMps (ORCPT ); Sat, 1 Apr 2023 08:45:48 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F289920C1E for ; Sat, 1 Apr 2023 05:45:46 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 331CjFUk9021673, 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 331CjFUk9021673 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Sat, 1 Apr 2023 20:45:16 +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 15.1.2375.32; Sat, 1 Apr 2023 20:45:33 +0800 Received: from localhost (172.16.16.15) 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, 1 Apr 2023 20:45:33 +0800 From: Ping-Ke Shih To: , CC: , Subject: [PATCH 4/7] wifi: rtw88: disallow scan and PS during AP mode Date: Sat, 1 Apr 2023 20:44:07 +0800 Message-ID: <20230401124410.33221-5-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230401124410.33221-1-pkshih@realtek.com> References: <20230401124410.33221-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.16.16.15] 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 From: Po-Hao Huang During concurrent operation, the VIF sharing same channel with AP mode might scan. Reject those scan requests from driver when there's AP currently operating. Also, disallow entering power saving mode. Signed-off-by: Po-Hao Huang Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw88/mac80211.c | 16 ++++++++++++++++ drivers/net/wireless/realtek/rtw88/main.c | 2 +- drivers/net/wireless/realtek/rtw88/main.h | 1 + 3 files changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c index 19c4d7c29759e..37a3146a2910c 100644 --- a/drivers/net/wireless/realtek/rtw88/mac80211.c +++ b/drivers/net/wireless/realtek/rtw88/mac80211.c @@ -449,12 +449,24 @@ static int rtw_ops_start_ap(struct ieee80211_hw *hw, const struct rtw_chip_info *chip = rtwdev->chip; mutex_lock(&rtwdev->mutex); + rtwdev->ap_active = true; chip->ops->phy_calibration(rtwdev); mutex_unlock(&rtwdev->mutex); return 0; } +static void rtw_ops_stop_ap(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf) +{ + struct rtw_dev *rtwdev = hw->priv; + + mutex_lock(&rtwdev->mutex); + rtwdev->ap_active = false; + mutex_unlock(&rtwdev->mutex); +} + static int rtw_ops_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, unsigned int link_id, u16 ac, @@ -853,6 +865,9 @@ static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) return -EBUSY; + if (rtwdev->ap_active) + return -EOPNOTSUPP; + mutex_lock(&rtwdev->mutex); rtw_hw_scan_start(rtwdev, vif, req); ret = rtw_hw_scan_offload(rtwdev, vif, true); @@ -916,6 +931,7 @@ const struct ieee80211_ops rtw_ops = { .configure_filter = rtw_ops_configure_filter, .bss_info_changed = rtw_ops_bss_info_changed, .start_ap = rtw_ops_start_ap, + .stop_ap = rtw_ops_stop_ap, .conf_tx = rtw_ops_conf_tx, .sta_add = rtw_ops_sta_add, .sta_remove = rtw_ops_sta_remove, diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index ba05a5d68d05e..835abbdd87eff 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -256,7 +256,7 @@ static void rtw_watch_dog_work(struct work_struct *work) * threshold. */ if (rtwdev->ps_enabled && data.rtwvif && !ps_active && - !rtwdev->beacon_loss) + !rtwdev->beacon_loss && !rtwdev->ap_active) rtw_enter_lps(rtwdev, data.rtwvif->port); rtwdev->watch_dog_cnt++; diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h index 532c56219a5f5..b04ed190ea5d4 100644 --- a/drivers/net/wireless/realtek/rtw88/main.h +++ b/drivers/net/wireless/realtek/rtw88/main.h @@ -2058,6 +2058,7 @@ struct rtw_dev { bool need_rfk; struct completion fw_scan_density; + bool ap_active; /* hci related data, must be last */ u8 priv[] __aligned(sizeof(void *));