linux-kernel - [PATCH 5.12 434/700] mt76: mt7921: Dont alter Rx path classifier

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]

Date:   Mon, 12 Jul 2021 08:08:37 +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, Lorenzo Bianconi <lorenzo@...nel.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Felix Fietkau <nbd@....name>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 434/700] mt76: mt7921: Dont alter Rx path classifier

From: Sean Wang <sean.wang@...iatek.com>

[ Upstream commit 2c80c02a682aefc073df2cfbb48c77c74579cb4a ]

Keep Rx path classifier the mt7921 firmware prefers to allow frames pass
through MCU.

Fixes: 5c14a5f944b9 ("mt76: mt7921: introduce mt7921e support")
Reviewed-by: Lorenzo Bianconi <lorenzo@...nel.org>
Signed-off-by: Sean Wang <sean.wang@...iatek.com>
Signed-off-by: Felix Fietkau <nbd@....name>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 .../net/wireless/mediatek/mt76/mt7921/init.c   | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index a0797cec136e..f9bd907b90fa 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -110,30 +110,12 @@ mt7921_init_wiphy(struct ieee80211_hw *hw)
 static void
 mt7921_mac_init_band(struct mt7921_dev *dev, u8 band)
 {
-	u32 mask, set;
-
 	mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
 		       MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
 	mt76_set(dev, MT_TMAC_CTCR0(band),
 		 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
 		 MT_TMAC_CTCR0_INS_DDLMT_EN);
 
-	mask = MT_MDP_RCFR0_MCU_RX_MGMT |
-	       MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR |
-	       MT_MDP_RCFR0_MCU_RX_CTL_BAR;
-	set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) |
-	      FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) |
-	      FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF);
-	mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set);
-
-	mask = MT_MDP_RCFR1_MCU_RX_BYPASS |
-	       MT_MDP_RCFR1_RX_DROPPED_UCAST |
-	       MT_MDP_RCFR1_RX_DROPPED_MCAST;
-	set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) |
-	      FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) |
-	      FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF);
-	mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
-
 	mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
 	mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
 
-- 
2.30.2