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mt76: mt7921: add sta stats accounting in mt7921_mac_add_txs_skb

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This is a preliminary patch to add ethtool stats to mt7921 driver.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2021-10-19 12:12:30 +02:00 committed by Felix Fietkau
parent 6eb58ceaf2
commit 9e893d28ce
2 changed files with 16 additions and 2 deletions
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17
drivers/net/wireless/mediatek/mt76/mt7921/mac.c
View File

@ -951,14 +951,16 @@ static bool
mt7921_mac_add_txs_skb(struct mt7921_dev *dev, struct mt76_wcid *wcid, int pid,
__le32 *txs_data)
{
struct mt7921_sta *msta = container_of(wcid, struct mt7921_sta, wcid);
struct mt76_sta_stats *stats = &msta->stats;
struct ieee80211_supported_band *sband;
struct mt76_dev *mdev = &dev->mt76;
struct ieee80211_tx_info *info;
struct rate_info rate = {};
struct sk_buff_head list;
u32 txrate, txs, mode;
struct sk_buff *skb;
bool cck = false;
u32 txrate, txs;
mt76_tx_status_lock(mdev, &list);
skb = mt76_tx_status_skb_get(mdev, wcid, pid, &list);
@ -984,7 +986,13 @@ mt7921_mac_add_txs_skb(struct mt7921_dev *dev, struct mt76_wcid *wcid, int pid,
rate.mcs = FIELD_GET(MT_TX_RATE_IDX, txrate);
rate.nss = FIELD_GET(MT_TX_RATE_NSS, txrate) + 1;
switch (FIELD_GET(MT_TX_RATE_MODE, txrate)) {
if (rate.nss - 1 < ARRAY_SIZE(stats->tx_nss))
stats->tx_nss[rate.nss - 1]++;
if (rate.mcs < ARRAY_SIZE(stats->tx_mcs))
stats->tx_mcs[rate.mcs]++;
mode = FIELD_GET(MT_TX_RATE_MODE, txrate);
switch (mode) {
case MT_PHY_TYPE_CCK:
cck = true;
fallthrough;
@ -1027,19 +1035,24 @@ mt7921_mac_add_txs_skb(struct mt7921_dev *dev, struct mt76_wcid *wcid, int pid,
default:
goto out;
}
stats->tx_mode[mode]++;
switch (FIELD_GET(MT_TXS0_BW, txs)) {
case IEEE80211_STA_RX_BW_160:
rate.bw = RATE_INFO_BW_160;
stats->tx_bw[3]++;
break;
case IEEE80211_STA_RX_BW_80:
rate.bw = RATE_INFO_BW_80;
stats->tx_bw[2]++;
break;
case IEEE80211_STA_RX_BW_40:
rate.bw = RATE_INFO_BW_40;
stats->tx_bw[1]++;
break;
default:
rate.bw = RATE_INFO_BW_20;
stats->tx_bw[0]++;
break;
}
wcid->rate = rate;

1
drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
View File

@ -104,6 +104,7 @@ struct mt7921_sta {
unsigned long last_txs;
unsigned long ampdu_state;
struct mt76_sta_stats stats;
struct mt7921_sta_key_conf bip;
};