From patchwork Fri Jan 26 09:09:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shayne Chen X-Patchwork-Id: 766832 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 ED19C633FD for ; Fri, 26 Jan 2024 09:10:06 +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=1706260208; cv=none; b=l1A4AGz4vmPbZD6psJ/bkiBVZDzf4REtU+4Znwg0NHueWP8mnvieBWAoTX0D98E2jXaK2HQF4E14IapsCEMpTfLHLLB3E7ZJ+l8mhL8fWFaR/3PW7pRUemrZDP9ACvMW3iAFKHcIAnXgrGce+K5coyrCvY90CHe2hhM76fgBHJw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706260208; c=relaxed/simple; bh=S1E86e9R/FG8ivTm60MAPno1ouTEm7Qe1nU0O2dRoSs=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Q/G58Ua92xQokLBr2kprh6JkRjmCY+2NtgIvXmUrYIu4Fm0FJT+EcZW/TT4ERsABbEC+gsPYHlQCou6gHuuzm8e1TDqfa6yXQ0HRrfWHEgJc20hGtxU0jPACxg7q96ZYUHohpAy8CSgdoMfZYvTbed8y8owniIBZve6UQkPB7Pk= 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=Gqkz10s+; 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="Gqkz10s+" X-UUID: a9931d74bc2a11eea2298b7352fd921d-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=epN7KJjCMnYrcOaasseqP03+HRXsNVjKd4ndmSsQ1BM=; b=Gqkz10s+Uv38jJy+FfDMuwqmfb5gYYDUnmpgUIihIYFCYKdgXYmXtMAoQL1w6a1JEklv34m3ZlJe5sl9iWYwsi+HniAu00KOqeH4kwcAZOO/vdIzHiBJAYbqHwAEo2HQoIIMitvKt99eqTkm/Y2c3alnsmtBTOHaFuD22eZroGk=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.36, REQID:68f75bf8-d61a-460f-b080-aa15ee712380, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:6e16cf4, CLOUDID:1b414983-8d4f-477b-89d2-1e3bdbef96d1, 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: a9931d74bc2a11eea2298b7352fd921d-20240126 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 395730437; Fri, 26 Jan 2024 17:09:51 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n2.mediatek.inc (172.21.101.183) 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 , Benjamin Lin , Shayne Chen Subject: [PATCH v2 04/12] wifi: mt76: mt7996: fix incorrect interpretation of EHT MCS caps Date: Fri, 26 Jan 2024 17:09:15 +0800 Message-ID: <20240126090923.6357-4-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-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10-1.739900-8.000000 X-TMASE-MatchedRID: nZiOSCXx2v0zTh1BHqxnVY3NgkEqAN0Rsf4f4CxxueRz/u+TcH1U7P9T oIqmlx19ThbvLLI8RvOWLz7gHk2taUHQ/pYAwhs6R/j040fRFpJ9LQinZ4QefPcjNeVeWlqY+gt Hj7OwNO3Y+r35MKhZcLtq+wOZHYbSBzOYxaP1nyFhNr/gqmm8vOLUFJq/ej6iXI/zOPA1FeTMdT ys6h3FMES8yNWlgnTLN7lgFJuCeT3roWeZQy0/P3ZrUbEZipAEiWT09mQz7szw9kH8zAy44SIdu k5Jkjd37ndUHUMmXu5+3BndfXUhXQ== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10-1.739900-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 593BC6402B06AF40E581A4655D040D11F37BC173E5CFCB661EFFDC2E9FAD6D562000:8 X-MTK: N From: Benjamin Lin The EHT MCS map subfield of 20 MHz-Only is not present in the EHT capability of AP, so STA does not need to parse the subfield. Moreover, AP should parse the subfield only if STA is 20 MHz-Only, which can be confirmed by checking supported channel width in HE capability. Fixes: 92aa2da9fa49 ("wifi: mt76: mt7996: enable EHT support in firmware") Co-developed-by: Shayne Chen Signed-off-by: Shayne Chen Signed-off-by: Benjamin Lin --- drivers/net/wireless/mediatek/mt76/mt7996/mcu.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c index 3c729b563edc..02d858fdc9fe 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c @@ -1240,6 +1240,9 @@ mt7996_mcu_sta_he_6g_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) static void mt7996_mcu_sta_eht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) { + struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; + struct ieee80211_vif *vif = container_of((void *)msta->vif, + struct ieee80211_vif, drv_priv); struct ieee80211_eht_mcs_nss_supp *mcs_map; struct ieee80211_eht_cap_elem_fixed *elem; struct sta_rec_eht *eht; @@ -1259,8 +1262,17 @@ mt7996_mcu_sta_eht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta) eht->phy_cap = cpu_to_le64(*(u64 *)elem->phy_cap_info); eht->phy_cap_ext = cpu_to_le64(elem->phy_cap_info[8]); - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20) - memcpy(eht->mcs_map_bw20, &mcs_map->only_20mhz, sizeof(eht->mcs_map_bw20)); + if (vif->type != NL80211_IFTYPE_STATION && + (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] & + (IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G | + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G | + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G | + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)) == 0) { + memcpy(eht->mcs_map_bw20, &mcs_map->only_20mhz, + sizeof(eht->mcs_map_bw20)); + return; + } + memcpy(eht->mcs_map_bw80, &mcs_map->bw._80, sizeof(eht->mcs_map_bw80)); memcpy(eht->mcs_map_bw160, &mcs_map->bw._160, sizeof(eht->mcs_map_bw160)); memcpy(eht->mcs_map_bw320, &mcs_map->bw._320, sizeof(eht->mcs_map_bw320));