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rtw88: report RX power for each antenna

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Report chains and chain_signal in ieee80211_rx_status.
It is useful for program such as tcpdump to see if the
antennas are well connected/placed.

8822C is able to receive CCK rates with 2 antennas, while
8822B can only use 1 antenna path to receive CCK rates.

Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Reviewed-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Yan-Hsuan Chuang 2019-09-12 14:39:15 +08:00 committed by Kalle Valo
parent e9afa2dc40
commit 98ab76ef6b
3 changed files with 9 additions and 3 deletions
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1
drivers/net/wireless/realtek/rtw88/rtw8822b.c
View File

@ -766,6 +766,7 @@ static void query_phy_status_page0(struct rtw_dev *rtwdev, u8 *phy_status,
s8 min_rx_power = -120;
u8 pwdb = GET_PHY_STAT_P0_PWDB(phy_status);
/* 8822B uses only 1 antenna to RX CCK rates */
pkt_stat->rx_power[RF_PATH_A] = pwdb - 110;
pkt_stat->rssi = rtw_phy_rf_power_2_rssi(pkt_stat->rx_power, 1);
pkt_stat->bw = RTW_CHANNEL_WIDTH_20;

6
drivers/net/wireless/realtek/rtw88/rtw8822c.c
View File

@ -1635,9 +1635,9 @@ static void query_phy_status_page0(struct rtw_dev *rtwdev, u8 *phy_status,
rx_power[RF_PATH_A] -= 110;
rx_power[RF_PATH_B] -= 110;
pkt_stat->rx_power[RF_PATH_A] = max3(rx_power[RF_PATH_A],
rx_power[RF_PATH_B],
min_rx_power);
pkt_stat->rx_power[RF_PATH_A] = rx_power[RF_PATH_A];
pkt_stat->rx_power[RF_PATH_B] = rx_power[RF_PATH_B];
pkt_stat->rssi = rtw_phy_rf_power_2_rssi(pkt_stat->rx_power, 1);
pkt_stat->bw = RTW_CHANNEL_WIDTH_20;
pkt_stat->signal_power = max(pkt_stat->rx_power[RF_PATH_A],

5
drivers/net/wireless/realtek/rtw88/rx.c
View File

@ -90,6 +90,7 @@ void rtw_rx_fill_rx_status(struct rtw_dev *rtwdev,
u8 *phy_status)
{
struct ieee80211_hw *hw = rtwdev->hw;
u8 path;
memset(rx_status, 0, sizeof(*rx_status));
rx_status->freq = hw->conf.chandef.chan->center_freq;
@ -146,6 +147,10 @@ void rtw_rx_fill_rx_status(struct rtw_dev *rtwdev,
rx_status->bw = RATE_INFO_BW_20;
rx_status->signal = pkt_stat->signal_power;
for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
rx_status->chains |= BIT(path);
rx_status->chain_signal[path] = pkt_stat->rx_power[path];
}
rtw_rx_addr_match(rtwdev, pkt_stat, hdr);
}