2022-10-09 13:01:27

by Ping-Ke Shih

[permalink] [raw]
Subject: [PATCH 6/9] wifi: rtw89: 8852b: add chip_ops to query PPDU

Add to parse PPDU to get frequency and RSSI of received packets.

Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/rtw8852b.c | 32 +++++++++++++++++++
1 file changed, 32 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index ee5a29f35db25..abb35553a2b04 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -1707,6 +1707,37 @@ static void rtw8852b_btc_set_wl_rx_gain(struct rtw89_dev *rtwdev, u32 level)
{
}

+static void rtw8852b_fill_freq_with_ppdu(struct rtw89_dev *rtwdev,
+ struct rtw89_rx_phy_ppdu *phy_ppdu,
+ struct ieee80211_rx_status *status)
+{
+ u16 chan = phy_ppdu->chan_idx;
+ u8 band;
+
+ if (chan == 0)
+ return;
+
+ band = chan <= 14 ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
+ status->freq = ieee80211_channel_to_frequency(chan, band);
+ status->band = band;
+}
+
+static void rtw8852b_query_ppdu(struct rtw89_dev *rtwdev,
+ struct rtw89_rx_phy_ppdu *phy_ppdu,
+ struct ieee80211_rx_status *status)
+{
+ u8 path;
+ u8 *rx_power = phy_ppdu->rssi;
+
+ status->signal = RTW89_RSSI_RAW_TO_DBM(max(rx_power[RF_PATH_A], rx_power[RF_PATH_B]));
+ for (path = 0; path < rtwdev->chip->rf_path_num; path++) {
+ status->chains |= BIT(path);
+ status->chain_signal[path] = RTW89_RSSI_RAW_TO_DBM(rx_power[path]);
+ }
+ if (phy_ppdu->valid)
+ rtw8852b_fill_freq_with_ppdu(rtwdev, phy_ppdu, status);
+}
+
static int rtw8852b_mac_enable_bb_rf(struct rtw89_dev *rtwdev)
{
int ret;
@@ -1775,6 +1806,7 @@ static const struct rtw89_chip_ops rtw8852b_chip_ops = {
.init_txpwr_unit = rtw8852b_init_txpwr_unit,
.get_thermal = rtw8852b_get_thermal,
.ctrl_btg = rtw8852b_ctrl_btg,
+ .query_ppdu = rtw8852b_query_ppdu,
.bb_ctrl_btc_preagc = rtw8852b_bb_ctrl_btc_preagc,
.pwr_on_func = rtw8852b_pwr_on_func,
.pwr_off_func = rtw8852b_pwr_off_func,
--
2.25.1