Commit 6eb58cea authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
Browse files

mt76: mt7921: introduce stats reporting through ethtool 



Similar to mt7915 driver, add tx/rx statistics reporting through ethtool.

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 6b16ae47

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

+116 −0
Original line number Diff line number Diff line
@@ -861,6 +861,119 @@ mt7921_get_stats(struct ieee80211_hw *hw, 
	return 0;

}



static const char mt7921_gstrings_stats[][ETH_GSTRING_LEN] = {

	/* tx counters */

	"tx_ampdu_cnt",

	"tx_mpdu_attempts",

	"tx_mpdu_success",

	"tx_pkt_ebf_cnt",

	"tx_pkt_ibf_cnt",

	"tx_ampdu_len:0-1",

	"tx_ampdu_len:2-10",

	"tx_ampdu_len:11-19",

	"tx_ampdu_len:20-28",

	"tx_ampdu_len:29-37",

	"tx_ampdu_len:38-46",

	"tx_ampdu_len:47-55",

	"tx_ampdu_len:56-79",

	"tx_ampdu_len:80-103",

	"tx_ampdu_len:104-127",

	"tx_ampdu_len:128-151",

	"tx_ampdu_len:152-175",

	"tx_ampdu_len:176-199",

	"tx_ampdu_len:200-223",

	"tx_ampdu_len:224-247",

	"ba_miss_count",

	"tx_beamformer_ppdu_iBF",

	"tx_beamformer_ppdu_eBF",

	"tx_beamformer_rx_feedback_all",

	"tx_beamformer_rx_feedback_he",

	"tx_beamformer_rx_feedback_vht",

	"tx_beamformer_rx_feedback_ht",

	"tx_msdu_pack_1",

	"tx_msdu_pack_2",

	"tx_msdu_pack_3",

	"tx_msdu_pack_4",

	"tx_msdu_pack_5",

	"tx_msdu_pack_6",

	"tx_msdu_pack_7",

	"tx_msdu_pack_8",

	/* rx counters */

	"rx_mpdu_cnt",

	"rx_ampdu_cnt",

	"rx_ampdu_bytes_cnt",

	"rx_ba_cnt"

};



static void

mt7921_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif,

		      u32 sset, u8 *data)

{

	if (sset != ETH_SS_STATS)

		return;



	memcpy(data, *mt7921_gstrings_stats, sizeof(mt7921_gstrings_stats));

}



static int

mt7921_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif,

			 int sset)

{

	return sset == ETH_SS_STATS ? ARRAY_SIZE(mt7921_gstrings_stats) : 0;

}



static

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

			 struct ethtool_stats *stats, u64 *data)

{

	struct mt7921_phy *phy = mt7921_hw_phy(hw);

	struct mt7921_dev *dev = phy->dev;

	struct mib_stats *mib = &phy->mib;

	int i, ei = 0;



	mt7921_mutex_acquire(dev);



	mt7921_mac_update_mib_stats(phy);



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

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

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

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

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



	/* Tx ampdu stat */

	for (i = 0; i < 15; i++)

		data[ei++] = dev->mt76.aggr_stats[i];



	data[ei++] = phy->mib.ba_miss_cnt;



	/* Tx Beamformer monitor */

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

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



	/* Tx Beamformer Rx feedback monitor */

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

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

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

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



	/* Tx amsdu info (pack-count histogram) */

	for (i = 0; i < 8; i++)

		data[ei++] = mt76_rr(dev,  MT_PLE_AMSDU_PACK_MSDU_CNT(i));



	/* rx counters */

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

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

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

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



	mt7921_mutex_release(dev);



	if (ei != ARRAY_SIZE(mt7921_gstrings_stats))

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

			ei, ARRAY_SIZE(mt7921_gstrings_stats));

}



static u64

mt7921_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)

{
@@ -1230,6 +1343,9 @@ const struct ieee80211_ops mt7921_ops = { 
	.release_buffered_frames = mt76_release_buffered_frames,

	.get_txpower = mt76_get_txpower,

	.get_stats = mt7921_get_stats,

	.get_et_sset_count = mt7921_get_et_sset_count,

	.get_et_strings = mt7921_get_et_strings,

	.get_et_stats = mt7921_get_et_stats,

	.get_tsf = mt7921_get_tsf,

	.set_tsf = mt7921_set_tsf,

	.get_survey = mt76_get_survey,