Commit 9e893d28 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
Browse files

mt76: mt7921: add sta stats accounting in mt7921_mac_add_txs_skb 



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

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 6eb58cea

drivers/net/wireless/mediatek/mt76/mt7921/mac.c

+15 −2
Original line number Diff line number Diff line
@@ -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;

drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

};