| From 7280bc1aba9fa30d3a16660c8afba8656d831cb8 Mon Sep 17 00:00:00 2001 |
| From: Peter Chiu <chui-hao.chiu@mediatek.com> |
| Date: Wed, 19 Oct 2022 16:04:10 +0800 |
| Subject: [PATCH] mt76: connac: update nss calculation in txs |
| |
| The nss is nsts divided by 2 when stbc is 1. |
| |
| Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com> |
| --- |
| mt76_connac_mac.c | 6 +++++- |
| 1 file changed, 5 insertions(+), 1 deletion(-) |
| |
| diff --git a/mt76_connac_mac.c b/mt76_connac_mac.c |
| index 8b7ec64a..fd60123f 100644 |
| --- a/mt76_connac_mac.c |
| +++ b/mt76_connac_mac.c |
| @@ -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]++; |
| -- |
| 2.18.0 |
| |