diff options
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/main.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index e6f985a92019..65d20ad02667 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -202,6 +202,21 @@ static void rtw_vif_watch_dog_iter(void *data, struct ieee80211_vif *vif) rtwvif->stats.rx_cnt = 0; } +static void rtw_sw_beacon_loss_check(struct rtw_dev *rtwdev, + struct rtw_vif *rtwvif, int received_beacons) +{ + int watchdog_delay = 2000000 / 1024; /* TU */ + int beacon_int, expected_beacons; + + if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER) || !rtwvif) + return; + + beacon_int = rtwvif_to_vif(rtwvif)->bss_conf.beacon_int; + expected_beacons = DIV_ROUND_UP(watchdog_delay, beacon_int); + + rtwdev->beacon_loss = received_beacons < expected_beacons / 2; +} + /* process TX/RX statistics periodically for hardware, * the information helps hardware to enhance performance */ @@ -212,6 +227,7 @@ static void rtw_watch_dog_work(struct work_struct *work) struct rtw_traffic_stats *stats = &rtwdev->stats; struct rtw_watch_dog_iter_data data = {}; bool busy_traffic = test_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags); + int received_beacons = rtwdev->dm_info.cur_pkt_count.num_bcn_pkt; u32 tx_unicast_mbps, rx_unicast_mbps; bool ps_active; @@ -270,6 +286,8 @@ static void rtw_watch_dog_work(struct work_struct *work) */ rtw_iterate_vifs(rtwdev, rtw_vif_watch_dog_iter, &data); + rtw_sw_beacon_loss_check(rtwdev, data.rtwvif, received_beacons); + /* fw supports only one station associated to enter lps, if there are * more than two stations associated to the AP, then we can not enter * lps, because fw does not handle the overlapped beacon interval |