From patchwork Fri Jan 26 09:09:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shayne Chen X-Patchwork-Id: 13532283 X-Patchwork-Delegate: nbd@nbd.name Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (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 0926D6310F for ; Fri, 26 Jan 2024 09:09:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706260201; cv=none; b=WJJKdrjL+GzKCBFGHYpxE9yScOffptHg+zdXxlYVxiF0/90jAyqFkCUM6NA3DE3G9s//mgjTvpIeWJkwDljxjJ8jTVISkjzO+AibRqusgJpuANi/c11xui0w14/xdfuUmUz5Uft+pKGDwQ8dJpFGSCfigYhl83Ro3ETNEuFq8Ok= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706260201; c=relaxed/simple; bh=6138irgpa4o4kmzoz9y2IFLVRkBSqve99R2TqzlX/fE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=dx6vXhH6HEWaT9o6p8ZnNpa56l0FRQvVoUw4zhMn9Hd8WJXmlh5KQ10U9R7cAF8Mhj7L2u6sPyy3yDzeN9IWAw/dNR/LHz3nXeuUz2rorfbLB/6jsFT1QQUicKfksj4E1aIupQyHrR44+Pte6OwNu+ygh6itpg5vL/AvPohBvM4= 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=LqOc2grm; arc=none smtp.client-ip=60.244.123.138 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="LqOc2grm" X-UUID: a8976ce0bc2a11ee9e680517dc993faa-20240126 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=LqOc2grmVNfpM9jlygrQQbmqRD8Mh9N8SZMm1crqlndynqvwVtCAH549f7zcU47kzxdvTnBlghH3ZHN/egAVD8TLHyA96dKs781Kpl/TKEPW2MAQrDlKAqOlqZgAabP+jhJ0v2T+xV/4uMLGDGEZnppXb0Z/MjRvPcB7B+7MAdE=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.36,REQID:fb58e67b-4b1e-4507-bd6d-97e9317ec50e,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:146f2efe-c16b-4159-a099-3b9d0558e447,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: a8976ce0bc2a11ee9e680517dc993faa-20240126 Received: from mtkmbs14n1.mediatek.inc [(172.21.101.75)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1846573432; Fri, 26 Jan 2024 17:09:49 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 26 Jan 2024 17:09:49 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 26 Jan 2024 17:09:49 +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 v2 02/12] wifi: mt76: mt7996: fix TWT issues Date: Fri, 26 Jan 2024 17:09:13 +0800 Message-ID: <20240126090923.6357-2-shayne.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240126090923.6357-1-shayne.chen@mediatek.com> References: <20240126090923.6357-1-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;