linux-kernel - [PATCH 5.13 121/266] mt76: mt7915: fix tssi indication field of DBDC NICs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210715182635.264926819@linuxfoundation.org>
Date:   Thu, 15 Jul 2021 20:37:56 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Evelyn Tsai <evelyn.tsai@...iatek.com>,
        Shayne Chen <shayne.chen@...iatek.com>,
        Felix Fietkau <nbd@....name>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.13 121/266] mt76: mt7915: fix tssi indication field of DBDC NICs

From: Evelyn Tsai <evelyn.tsai@...iatek.com>

[ Upstream commit 64cf5ad3c2fa841e4b416343a7ea69c63d60fa4e ]

Correct the bitfield which indicates TSSI on/off for MT7915D NIC.

Signed-off-by: Evelyn Tsai <evelyn.tsai@...iatek.com>
Signed-off-by: Shayne Chen <shayne.chen@...iatek.com>
Signed-off-by: Felix Fietkau <nbd@....name>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
index 30bf41b8ed15..a43389a41800 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
@@ -99,12 +99,15 @@ static inline bool
 mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
 {
 	u8 *eep = dev->mt76.eeprom.data;
+	u8 val = eep[MT_EE_WIFI_CONF + 7];
 
-	/* TODO: DBDC */
-	if (band == NL80211_BAND_5GHZ)
-		return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_5G;
+	if (band == NL80211_BAND_2GHZ)
+		return val & MT_EE_WIFI_CONF7_TSSI0_2G;
+
+	if (dev->dbdc_support)
+		return val & MT_EE_WIFI_CONF7_TSSI1_5G;
 	else
-		return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_2G;
+		return val & MT_EE_WIFI_CONF7_TSSI0_5G;
 }
 
 extern const u8 mt7915_sku_group_len[MAX_SKU_RATE_GROUP_NUM];
-- 
2.30.2