Commit 568a1b51 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
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mt76: mt7921: add per-vif counters in ethtool 



Similar to mt7915 driver, add per-vif tx counters in ethtool.

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent fe041bee

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

+52 −1
Original line number Diff line number Diff line
@@ -902,7 +902,33 @@ static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = { 
	"rx_mpdu_cnt",

	"rx_ampdu_cnt",

	"rx_ampdu_bytes_cnt",

	"rx_ba_cnt"

	"rx_ba_cnt",

	/* per vif counters */

	"v_tx_mode_cck",

	"v_tx_mode_ofdm",

	"v_tx_mode_ht",

	"v_tx_mode_ht_gf",

	"v_tx_mode_vht",

	"v_tx_mode_he_su",

	"v_tx_mode_he_ext_su",

	"v_tx_mode_he_tb",

	"v_tx_mode_he_mu",

	"v_tx_bw_20",

	"v_tx_bw_40",

	"v_tx_bw_80",

	"v_tx_bw_160",

	"v_tx_mcs_0",

	"v_tx_mcs_1",

	"v_tx_mcs_2",

	"v_tx_mcs_3",

	"v_tx_mcs_4",

	"v_tx_mcs_5",

	"v_tx_mcs_6",

	"v_tx_mcs_7",

	"v_tx_mcs_8",

	"v_tx_mcs_9",

	"v_tx_mcs_10",

	"v_tx_mcs_11",

};



static void
@@ -922,13 +948,30 @@ mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 
	return sset == ETH_SS_STATS ? ARRAY_SIZE(mt7921_gstrings_stats) : 0;

}



static void

mt7921_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)

{

	struct mt7921_sta *msta = (struct mt7921_sta *)sta->drv_priv;

	struct mt76_ethtool_worker_info *wi = wi_data;



	if (msta->vif->mt76.idx != wi->idx)

		return;



	mt76_ethtool_worker(wi, &msta->stats);

}



static

void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif,

			 struct ethtool_stats *stats, u64 *data)

{

	struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;

	struct mt7921_phy *phy = mt7921_hw_phy(hw);

	struct mt7921_dev *dev = phy->dev;

	struct mib_stats *mib = &phy->mib;

	struct mt76_ethtool_worker_info wi = {

		.data = data,

		.idx = mvif->mt76.idx,

	};

	int i, ei = 0;



	mt7921_mutex_acquire(dev);
@@ -967,8 +1010,16 @@ void mt7921_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 
	data[ei++] = mib->rx_ampdu_bytes_cnt;

	data[ei++] = mib->rx_ba_cnt;



	/* Add values for all stations owned by this vif */

	wi.initial_stat_idx = ei;

	ieee80211_iterate_stations_atomic(hw, mt7921_ethtool_worker, &wi);



	mt7921_mutex_release(dev);



	if (!wi.sta_count)

		return;



	ei += wi.worker_stat_count;

	if (ei != ARRAY_SIZE(mt7921_gstrings_stats))

		dev_err(dev->mt76.dev, "ei: %d  SSTATS_LEN: %lu",

			ei, ARRAY_SIZE(mt7921_gstrings_stats));