diff mbox series

[07/11] mt76: mt7915: fix rate rix and flags in txs path

Message ID 20211118164056.2965-7-greearb@candelatech.com (mailing list archive)
State Rejected
Delegated to: Felix Fietkau
Headers show
Series [01/11] mt76: mt7915: add comments about rx descriptor parsing | expand

Commit Message

Ben Greear Nov. 18, 2021, 4:40 p.m. UTC
From: Ben Greear <greearb@candelatech.com>

Do not initialize rix to -1, build the rix and set flags
based on the mcs, nss, and mode.

Signed-off-by: Ben Greear <greearb@candelatech.com>
---
 drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

Comments

Lorenzo Bianconi Jan. 4, 2022, 11:15 a.m. UTC | #1
> From: Ben Greear <greearb@candelatech.com>
> 
> Do not initialize rix to -1, build the rix and set flags
> based on the mcs, nss, and mode.
> 
> Signed-off-by: Ben Greear <greearb@candelatech.com>
> ---
>  drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 16 +++++++++++++---
>  1 file changed, 13 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
> index edf33540658e..300928edd0d7 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
> @@ -1571,7 +1571,7 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
>  	struct ieee80211_supported_band *sband;
>  	struct mt76_dev *mdev = &dev->mt76;
>  	struct mt76_phy *mphy;
> -	struct ieee80211_tx_info *info;
> +	struct ieee80211_tx_info *info = NULL;
>  	struct sk_buff_head list;
>  	struct rate_info rate = {};
>  	struct sk_buff *skb = NULL;
> @@ -1596,8 +1596,6 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
>  		info->status.ampdu_len = 1;
>  		info->status.ampdu_ack_len = !!(info->flags &
>  						IEEE80211_TX_STAT_ACK);
> -
> -		info->status.rates[0].idx = -1;
>  	}
>  
>  	txrate = FIELD_GET(MT_TXS0_TX_RATE, txs);
> @@ -1627,6 +1625,8 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
>  
>  		rate.mcs = mt76_get_rate(mphy->dev, sband, rate.mcs, cck);
>  		rate.legacy = sband->bitrates[rate.mcs].bitrate;
> +		if (info)
> +			info->status.rates[0].idx = rate.mcs;

can it be NULL?

>  		break;
>  	case MT_PHY_TYPE_HT:
>  	case MT_PHY_TYPE_HT_GF:
> @@ -1637,6 +1637,10 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
>  		rate.flags = RATE_INFO_FLAGS_MCS;
>  		if (wcid->rate_short_gi)
>  			rate.flags |= RATE_INFO_FLAGS_SHORT_GI;
> +		if (info) {
> +			info->status.rates[0].idx = rate.mcs + rate.nss * 8;
> +			info->status.rates[0].flags |= IEEE80211_TX_RC_MCS;
> +		}
>  		break;
>  	case MT_PHY_TYPE_VHT:
>  		if (rate.mcs > 9)
> @@ -1645,6 +1649,10 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
>  		rate.flags = RATE_INFO_FLAGS_VHT_MCS;
>  		if (wcid->rate_short_gi)
>  			rate.flags |= RATE_INFO_FLAGS_SHORT_GI;
> +		if (info) {
> +			info->status.rates[0].idx = (rate.nss << 4) | rate.mcs;

ieee80211_rate_set_vht()

> +			info->status.rates[0].flags |= IEEE80211_TX_RC_VHT_MCS;
> +		}
>  		break;
>  	case MT_PHY_TYPE_HE_SU:
>  	case MT_PHY_TYPE_HE_EXT_SU:
> @@ -1656,6 +1664,8 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
>  		rate.he_gi = wcid->rate_he_gi;
>  		rate.he_dcm = FIELD_GET(MT_TX_RATE_DCM, txrate);
>  		rate.flags = RATE_INFO_FLAGS_HE_MCS;
> +		if (info)
> +			info->status.rates[0].idx = (rate.nss << 4) | rate.mcs;
>  		break;
>  	default:
>  		WARN_ON_ONCE(true);
> -- 
> 2.20.1
>
diff mbox series

Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index edf33540658e..300928edd0d7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -1571,7 +1571,7 @@  mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
 	struct ieee80211_supported_band *sband;
 	struct mt76_dev *mdev = &dev->mt76;
 	struct mt76_phy *mphy;
-	struct ieee80211_tx_info *info;
+	struct ieee80211_tx_info *info = NULL;
 	struct sk_buff_head list;
 	struct rate_info rate = {};
 	struct sk_buff *skb = NULL;
@@ -1596,8 +1596,6 @@  mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
 		info->status.ampdu_len = 1;
 		info->status.ampdu_ack_len = !!(info->flags &
 						IEEE80211_TX_STAT_ACK);
-
-		info->status.rates[0].idx = -1;
 	}
 
 	txrate = FIELD_GET(MT_TXS0_TX_RATE, txs);
@@ -1627,6 +1625,8 @@  mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
 
 		rate.mcs = mt76_get_rate(mphy->dev, sband, rate.mcs, cck);
 		rate.legacy = sband->bitrates[rate.mcs].bitrate;
+		if (info)
+			info->status.rates[0].idx = rate.mcs;
 		break;
 	case MT_PHY_TYPE_HT:
 	case MT_PHY_TYPE_HT_GF:
@@ -1637,6 +1637,10 @@  mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
 		rate.flags = RATE_INFO_FLAGS_MCS;
 		if (wcid->rate_short_gi)
 			rate.flags |= RATE_INFO_FLAGS_SHORT_GI;
+		if (info) {
+			info->status.rates[0].idx = rate.mcs + rate.nss * 8;
+			info->status.rates[0].flags |= IEEE80211_TX_RC_MCS;
+		}
 		break;
 	case MT_PHY_TYPE_VHT:
 		if (rate.mcs > 9)
@@ -1645,6 +1649,10 @@  mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
 		rate.flags = RATE_INFO_FLAGS_VHT_MCS;
 		if (wcid->rate_short_gi)
 			rate.flags |= RATE_INFO_FLAGS_SHORT_GI;
+		if (info) {
+			info->status.rates[0].idx = (rate.nss << 4) | rate.mcs;
+			info->status.rates[0].flags |= IEEE80211_TX_RC_VHT_MCS;
+		}
 		break;
 	case MT_PHY_TYPE_HE_SU:
 	case MT_PHY_TYPE_HE_EXT_SU:
@@ -1656,6 +1664,8 @@  mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
 		rate.he_gi = wcid->rate_he_gi;
 		rate.he_dcm = FIELD_GET(MT_TX_RATE_DCM, txrate);
 		rate.flags = RATE_INFO_FLAGS_HE_MCS;
+		if (info)
+			info->status.rates[0].idx = (rate.nss << 4) | rate.mcs;
 		break;
 	default:
 		WARN_ON_ONCE(true);