diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8821c.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8821c.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c index 4c27d28a9f9d..bf1a2c92f2a5 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c @@ -373,6 +373,106 @@ static void rtw8821c_set_channel(struct rtw_dev *rtwdev, u8 channel, u8 bw, rtw8821c_set_channel_rxdfir(rtwdev, bw); } +static void query_phy_status_page0(struct rtw_dev *rtwdev, u8 *phy_status, + struct rtw_rx_pkt_stat *pkt_stat) +{ + s8 min_rx_power = -120; + u8 pwdb = GET_PHY_STAT_P0_PWDB(phy_status); + + pkt_stat->rx_power[RF_PATH_A] = pwdb - 100; + 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], + min_rx_power); +} + +static void query_phy_status_page1(struct rtw_dev *rtwdev, u8 *phy_status, + struct rtw_rx_pkt_stat *pkt_stat) +{ + u8 rxsc, bw; + s8 min_rx_power = -120; + + if (pkt_stat->rate > DESC_RATE11M && pkt_stat->rate < DESC_RATEMCS0) + rxsc = GET_PHY_STAT_P1_L_RXSC(phy_status); + else + rxsc = GET_PHY_STAT_P1_HT_RXSC(phy_status); + + if (rxsc >= 1 && rxsc <= 8) + bw = RTW_CHANNEL_WIDTH_20; + else if (rxsc >= 9 && rxsc <= 12) + bw = RTW_CHANNEL_WIDTH_40; + else if (rxsc >= 13) + bw = RTW_CHANNEL_WIDTH_80; + else + bw = GET_PHY_STAT_P1_RF_MODE(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); + pkt_stat->bw = bw; + pkt_stat->signal_power = max(pkt_stat->rx_power[RF_PATH_A], + min_rx_power); +} + +static void query_phy_status(struct rtw_dev *rtwdev, u8 *phy_status, + struct rtw_rx_pkt_stat *pkt_stat) +{ + u8 page; + + page = *phy_status & 0xf; + + switch (page) { + case 0: + query_phy_status_page0(rtwdev, phy_status, pkt_stat); + break; + case 1: + query_phy_status_page1(rtwdev, phy_status, pkt_stat); + break; + default: + rtw_warn(rtwdev, "unused phy status page (%d)\n", page); + return; + } +} + +static void rtw8821c_query_rx_desc(struct rtw_dev *rtwdev, u8 *rx_desc, + struct rtw_rx_pkt_stat *pkt_stat, + struct ieee80211_rx_status *rx_status) +{ + struct ieee80211_hdr *hdr; + u32 desc_sz = rtwdev->chip->rx_pkt_desc_sz; + u8 *phy_status = NULL; + + memset(pkt_stat, 0, sizeof(*pkt_stat)); + + pkt_stat->phy_status = GET_RX_DESC_PHYST(rx_desc); + pkt_stat->icv_err = GET_RX_DESC_ICV_ERR(rx_desc); + pkt_stat->crc_err = GET_RX_DESC_CRC32(rx_desc); + pkt_stat->decrypted = !GET_RX_DESC_SWDEC(rx_desc); + pkt_stat->is_c2h = GET_RX_DESC_C2H(rx_desc); + pkt_stat->pkt_len = GET_RX_DESC_PKT_LEN(rx_desc); + pkt_stat->drv_info_sz = GET_RX_DESC_DRV_INFO_SIZE(rx_desc); + pkt_stat->shift = GET_RX_DESC_SHIFT(rx_desc); + pkt_stat->rate = GET_RX_DESC_RX_RATE(rx_desc); + pkt_stat->cam_id = GET_RX_DESC_MACID(rx_desc); + pkt_stat->ppdu_cnt = GET_RX_DESC_PPDU_CNT(rx_desc); + pkt_stat->tsf_low = GET_RX_DESC_TSFL(rx_desc); + + /* drv_info_sz is in unit of 8-bytes */ + pkt_stat->drv_info_sz *= 8; + + /* c2h cmd pkt's rx/phy status is not interested */ + if (pkt_stat->is_c2h) + return; + + hdr = (struct ieee80211_hdr *)(rx_desc + desc_sz + pkt_stat->shift + + pkt_stat->drv_info_sz); + if (pkt_stat->phy_status) { + phy_status = rx_desc + desc_sz + pkt_stat->shift; + query_phy_status(rtwdev, phy_status, pkt_stat); + } + + rtw_rx_fill_rx_status(rtwdev, pkt_stat, hdr, rx_status, phy_status); +} + static void rtw8821c_set_tx_power_index_by_rate(struct rtw_dev *rtwdev, u8 path, u8 rs) { @@ -840,6 +940,7 @@ static struct rtw_prioq_addrs prioq_addrs_8821c = { static struct rtw_chip_ops rtw8821c_ops = { .phy_set_param = rtw8821c_phy_set_param, .read_efuse = rtw8821c_read_efuse, + .query_rx_desc = rtw8821c_query_rx_desc, .set_channel = rtw8821c_set_channel, .mac_init = rtw8821c_mac_init, .read_rf = rtw_phy_read_rf, |