From patchwork Fri Jan 19 08:56:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shayne Chen X-Patchwork-Id: 13523432 X-Patchwork-Delegate: nbd@nbd.name Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C946B23776 for ; Fri, 19 Jan 2024 08:57:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705654667; cv=none; b=i3e9JbytiaDn3s80xq29qNRxYfZjIluKIOr99DQ1688MXt4w1QlDNWnwod1XaT6Sxc7Q9sh7qtPo6VphOUqiiyidi2g/OyG9QvHINWAZmu31wYXasCTSs+JZa6uydAMenGFaz9AqDG/Zw9925Hyg2SpRLtFw5jjaF1gZ0CEiI+0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705654667; c=relaxed/simple; bh=6138irgpa4o4kmzoz9y2IFLVRkBSqve99R2TqzlX/fE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=qLKcOG4KIdkRwFAL6k/CdetwDUvvG5W9uxfYjIgFJokQgul/9iFQP9DzaNNw28e4ckwcUrsMMjIRy1bugbmL/w87NfmOb/O+PXFToU+kxAfQeKw0g/sxAqtDBGLE/xCLMuI9E9EGKd+U1Yi/ak+0+jR+xGspHIv/VQJo2M2fBkM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=Uut1uEWH; arc=none smtp.client-ip=210.61.82.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Uut1uEWH" X-UUID: cacb57a4b6a811eea2298b7352fd921d-20240119 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=TvxIW4C14aJXWPt/ZgsY7E7tG7QflT4efJyySE1EjY0=; b=Uut1uEWH/T7I5LYe4lqM0g4ug1ttTcInejz42fqqZZJeZYiuLv6nq9e0utAgvCejLXKob39gkqdaEwj+HghqfgsUFhGmEeT/ok3QaU7cm/xOyKzOCOgL4+mtAG/fLNbjWcOSRx7cOFMiZJLh67oqPU8QjI/v8ht6gNtWEBAC6d8=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.36,REQID:a33f8920-1b80-4635-84a1-21e8880e9b00,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:6e16cf4,CLOUDID:49bd582f-1ab8-4133-9780-81938111c800,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1, SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: cacb57a4b6a811eea2298b7352fd921d-20240119 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 154672047; Fri, 19 Jan 2024 16:57:36 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 19 Jan 2024 16:57:35 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 19 Jan 2024 16:57:35 +0800 From: Shayne Chen To: Felix Fietkau CC: linux-wireless , Lorenzo Bianconi , Ryder Lee , Evelyn Tsai , Bo Jiao , linux-mediatek , Peter Chiu , Shayne Chen Subject: [PATCH 02/12] wifi: mt76: mt7996: fix TWT issues Date: Fri, 19 Jan 2024 16:56:58 +0800 Message-ID: <20240119085708.23592-2-shayne.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240119085708.23592-1-shayne.chen@mediatek.com> References: <20240119085708.23592-1-shayne.chen@mediatek.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N From: Peter Chiu This patch fixes the following TWT issues: - Change table_mask to u16 to support up to 16 TWT stations - Reject TWT flows for duplicated establishment - Fix possible unaligned pointer - Remove unsupported TWT_CONTROL_WAKE_DUR_UNIT flag - The minimum TWT duration supported by mt7996 chipsets is 64. Reply with TWT_SETUP_CMD_DICTATE if the min_twt_dur is smaller than 64 Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: Peter Chiu Signed-off-by: Shayne Chen --- .../net/wireless/mediatek/mt76/mt7996/mac.c | 53 ++++++++++++++++--- .../wireless/mediatek/mt76/mt7996/mt7996.h | 3 +- 2 files changed, 47 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index a8414fbb07c8..63d34844c122 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -2530,6 +2530,34 @@ static int mt7996_mac_check_twt_req(struct ieee80211_twt_setup *twt) return 0; } +static bool +mt7996_mac_twt_param_equal(struct mt7996_sta *msta, + struct ieee80211_twt_params *twt_agrt) +{ + u16 type = le16_to_cpu(twt_agrt->req_type); + u8 exp; + int i; + + exp = FIELD_GET(IEEE80211_TWT_REQTYPE_WAKE_INT_EXP, type); + for (i = 0; i < MT7996_MAX_STA_TWT_AGRT; i++) { + struct mt7996_twt_flow *f; + + if (!(msta->twt.flowid_mask & BIT(i))) + continue; + + f = &msta->twt.flow[i]; + if (f->duration == twt_agrt->min_twt_dur && + f->mantissa == twt_agrt->mantissa && + f->exp == exp && + f->protection == !!(type & IEEE80211_TWT_REQTYPE_PROTECTION) && + f->flowtype == !!(type & IEEE80211_TWT_REQTYPE_FLOWTYPE) && + f->trigger == !!(type & IEEE80211_TWT_REQTYPE_TRIGGER)) + return true; + } + + return false; +} + void mt7996_mac_add_twt_setup(struct ieee80211_hw *hw, struct ieee80211_sta *sta, struct ieee80211_twt_setup *twt) @@ -2541,8 +2569,7 @@ void mt7996_mac_add_twt_setup(struct ieee80211_hw *hw, enum ieee80211_twt_setup_cmd sta_setup_cmd; struct mt7996_dev *dev = mt7996_hw_dev(hw); struct mt7996_twt_flow *flow; - int flowid, table_id; - u8 exp; + u8 flowid, table_id, exp; if (mt7996_mac_check_twt_req(twt)) goto out; @@ -2555,9 +2582,19 @@ void mt7996_mac_add_twt_setup(struct ieee80211_hw *hw, if (hweight8(msta->twt.flowid_mask) == ARRAY_SIZE(msta->twt.flow)) goto unlock; + if (twt_agrt->min_twt_dur < MT7996_MIN_TWT_DUR) { + setup_cmd = TWT_SETUP_CMD_DICTATE; + twt_agrt->min_twt_dur = MT7996_MIN_TWT_DUR; + goto unlock; + } + + if (mt7996_mac_twt_param_equal(msta, twt_agrt)) + goto unlock; + flowid = ffs(~msta->twt.flowid_mask) - 1; - le16p_replace_bits(&twt_agrt->req_type, flowid, - IEEE80211_TWT_REQTYPE_FLOWID); + twt_agrt->req_type &= ~cpu_to_le16(IEEE80211_TWT_REQTYPE_FLOWID); + twt_agrt->req_type |= le16_encode_bits(flowid, + IEEE80211_TWT_REQTYPE_FLOWID); table_id = ffs(~dev->twt.table_mask) - 1; exp = FIELD_GET(IEEE80211_TWT_REQTYPE_WAKE_INT_EXP, req_type); @@ -2604,10 +2641,10 @@ void mt7996_mac_add_twt_setup(struct ieee80211_hw *hw, unlock: mutex_unlock(&dev->mt76.mutex); out: - le16p_replace_bits(&twt_agrt->req_type, setup_cmd, - IEEE80211_TWT_REQTYPE_SETUP_CMD); - twt->control = (twt->control & IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT) | - (twt->control & IEEE80211_TWT_CONTROL_RX_DISABLED); + twt_agrt->req_type &= ~cpu_to_le16(IEEE80211_TWT_REQTYPE_SETUP_CMD); + twt_agrt->req_type |= + le16_encode_bits(setup_cmd, IEEE80211_TWT_REQTYPE_SETUP_CMD); + twt->control = twt->control & IEEE80211_TWT_CONTROL_RX_DISABLED; } void mt7996_mac_twt_teardown_flow(struct mt7996_dev *dev, diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h index bc73bcb47bf0..8154ad37827f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h @@ -53,6 +53,7 @@ #define MT7996_MAX_TWT_AGRT 16 #define MT7996_MAX_STA_TWT_AGRT 8 +#define MT7996_MIN_TWT_DUR 64 #define MT7996_MAX_QUEUE (__MT_RXQ_MAX + __MT_MCUQ_MAX + 3) /* NOTE: used to map mt76_rates. idx may change if firmware expands table */ @@ -320,7 +321,7 @@ struct mt7996_dev { struct rchan *relay_fwlog; struct { - u8 table_mask; + u16 table_mask; u8 n_agrt; } twt;