linux-kernel - [PATCH AUTOSEL 5.15 021/109] rtw88: 8821c: fix debugfs rssi value

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: <20220530133825.1933431-21-sashal@kernel.org>
Date:   Mon, 30 May 2022 09:36:57 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Po-Hao Huang <phhuang@...ltek.com>,
        Ping-Ke Shih <pkshih@...ltek.com>,
        Kalle Valo <kvalo@...nel.org>, Sasha Levin <sashal@...nel.org>,
        tony0620emma@...il.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 5.15 021/109] rtw88: 8821c: fix debugfs rssi value

From: Po-Hao Huang <phhuang@...ltek.com>

[ Upstream commit ece31c93d4d68f7eb8eea4431b052aacdb678de2 ]

RSSI value per frame is reported to mac80211 but not maintained in
our own statistics, add it back to help us debug.

Signed-off-by: Po-Hao Huang <phhuang@...ltek.com>
Signed-off-by: Ping-Ke Shih <pkshih@...ltek.com>
Signed-off-by: Kalle Valo <kvalo@...nel.org>
Link: https://lore.kernel.org/r/20220407095858.46807-7-pkshih@realtek.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/realtek/rtw88/rtw8821c.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
index 785b8181513f..f405f42d1c1b 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
@@ -506,6 +506,7 @@ static s8 get_cck_rx_pwr(struct rtw_dev *rtwdev, u8 lna_idx, u8 vga_idx)
 static void query_phy_status_page0(struct rtw_dev *rtwdev, u8 *phy_status,
 				   struct rtw_rx_pkt_stat *pkt_stat)
 {
+	struct rtw_dm_info *dm_info = &rtwdev->dm_info;
 	s8 rx_power;
 	u8 lna_idx = 0;
 	u8 vga_idx = 0;
@@ -517,6 +518,7 @@ static void query_phy_status_page0(struct rtw_dev *rtwdev, u8 *phy_status,
 
 	pkt_stat->rx_power[RF_PATH_A] = rx_power;
 	pkt_stat->rssi = rtw_phy_rf_power_2_rssi(pkt_stat->rx_power, 1);
+	dm_info->rssi[RF_PATH_A] = pkt_stat->rssi;
 	pkt_stat->bw = RTW_CHANNEL_WIDTH_20;
 	pkt_stat->signal_power = rx_power;
 }
@@ -524,6 +526,7 @@ static void query_phy_status_page0(struct rtw_dev *rtwdev, u8 *phy_status,
 static void query_phy_status_page1(struct rtw_dev *rtwdev, u8 *phy_status,
 				   struct rtw_rx_pkt_stat *pkt_stat)
 {
+	struct rtw_dm_info *dm_info = &rtwdev->dm_info;
 	u8 rxsc, bw;
 	s8 min_rx_power = -120;
 
@@ -543,6 +546,7 @@ static void query_phy_status_page1(struct rtw_dev *rtwdev, u8 *phy_status,
 
 	pkt_stat->rx_power[RF_PATH_A] = GET_PHY_STAT_P1_PWDB_A(phy_status) - 110;
 	pkt_stat->rssi = rtw_phy_rf_power_2_rssi(pkt_stat->rx_power, 1);
+	dm_info->rssi[RF_PATH_A] = pkt_stat->rssi;
 	pkt_stat->bw = bw;
 	pkt_stat->signal_power = max(pkt_stat->rx_power[RF_PATH_A],
 				     min_rx_power);
-- 
2.35.1