wifi: mt76: connac: update nss calculation in txs

The hardware reports the number of transmitting antennas not the actual
number of spatial streams

Co-developed-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Evelyn Tsai 2022-11-11 15:36:15 +08:00 committed by Felix Fietkau
parent 510ef22694
commit fa67120bc8

View File

@ -567,7 +567,7 @@ bool mt76_connac2_mac_fill_txs(struct mt76_dev *dev, struct mt76_wcid *wcid,
struct mt76_phy *mphy;
struct rate_info rate = {};
bool cck = false;
u32 txrate, txs, mode;
u32 txrate, txs, mode, stbc;
txs = le32_to_cpu(txs_data[0]);
@ -587,6 +587,10 @@ bool mt76_connac2_mac_fill_txs(struct mt76_dev *dev, struct mt76_wcid *wcid,
rate.mcs = FIELD_GET(MT_TX_RATE_IDX, txrate);
rate.nss = FIELD_GET(MT_TX_RATE_NSS, txrate) + 1;
stbc = FIELD_GET(MT_TX_RATE_STBC, txrate);
if (stbc && rate.nss > 1)
rate.nss >>= 1;
if (rate.nss - 1 < ARRAY_SIZE(stats->tx_nss))
stats->tx_nss[rate.nss - 1]++;