diff options
| author | Henry Yen <henry.yen@mediatek.com> | 2024-02-22 06:24:46 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2024-05-02 13:44:50 +0300 |
| commit | 296931843a72a6bff5e10d893d4128ffd4cd9324 (patch) | |
| tree | 7e299349256d9b5afcbc3bf5b9af31138bc45f1e /drivers/net/wireless | |
| parent | b7e56fa0cc8f28fc6e21bd34e971f92e3631bf95 (diff) | |
| download | linux-296931843a72a6bff5e10d893d4128ffd4cd9324.tar.xz | |
wifi: mt76: mt7915: fix bogus Tx/Rx airtime duration values
Do not report measurements if the airtime counter was cleared since the
last update (possibly by firmware)
Signed-off-by: Henry Yen <henry.yen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index e45361111f9b..f350b3f7a0bd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -140,8 +140,15 @@ static void mt7915_mac_sta_poll(struct mt7915_dev *dev) msta->airtime_ac[i] = mt76_rr(dev, addr); msta->airtime_ac[i + 4] = mt76_rr(dev, addr + 4); - tx_time[i] = msta->airtime_ac[i] - tx_last; - rx_time[i] = msta->airtime_ac[i + 4] - rx_last; + if (msta->airtime_ac[i] <= tx_last) + tx_time[i] = 0; + else + tx_time[i] = msta->airtime_ac[i] - tx_last; + + if (msta->airtime_ac[i + 4] <= rx_last) + rx_time[i] = 0; + else + rx_time[i] = msta->airtime_ac[i + 4] - rx_last; if ((tx_last | rx_last) & BIT(30)) clear = true; |