From: Ben Greear <[email protected]>
Add tx-mode (ofdma, ht, vht, HE) histogram,
tx-ru-idx histogram, and tx-bandwidth histogram.
Also add tx attempts and tx success counters.
All of this is per-station.
Signed-off-by: Ben Greear <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt76.h | 1 +
.../net/wireless/mediatek/mt76/mt7915/mac.c | 36 +++++++++++++++----
.../wireless/mediatek/mt76/mt7915/mt7915.h | 14 ++++++++
3 files changed, 44 insertions(+), 7 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index b41faedee001..436bf2b8e2cd 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -755,6 +755,7 @@ enum mt76_phy_type {
MT_PHY_TYPE_HE_EXT_SU,
MT_PHY_TYPE_HE_TB,
MT_PHY_TYPE_HE_MU,
+ MT_PHY_TYPE_HE_LAST, /* keep last */
};
#define CCK_RATE(_idx, _rate) { \
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index f1574538315d..6f445999e516 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -1304,7 +1304,7 @@ mt7915_mac_tx_free(struct mt7915_dev *dev, struct sk_buff *skb)
static bool
mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
- __le32 *txs_data)
+ __le32 *txs_data, struct mt7915_sta_stats *stats)
{
struct ieee80211_supported_band *sband;
struct mt76_dev *mdev = &dev->mt76;
@@ -1314,7 +1314,7 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
struct rate_info rate = {};
struct sk_buff *skb;
bool cck = false;
- u32 txrate, txs;
+ u32 txrate, txs, txs5, txs6, txs7, mode;
mt76_tx_status_lock(mdev, &list);
skb = mt76_tx_status_skb_get(mdev, wcid, pid, &list);
@@ -1322,6 +1322,9 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
goto out;
txs = le32_to_cpu(txs_data[0]);
+ txs5 = le32_to_cpu(txs_data[5]);
+ txs6 = le32_to_cpu(txs_data[6]);
+ txs7 = le32_to_cpu(txs_data[7]);
info = IEEE80211_SKB_CB(skb);
if (!(txs & MT_TXS0_ACK_ERROR_MASK))
@@ -1333,15 +1336,27 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
info->status.rates[0].idx = -1;
- if (!wcid->sta)
- goto out;
+ stats->tx_mpdu_attempts += FIELD_GET(MT_TXS5_F1_MPDU_TX_COUNT, txs5);
+ stats->tx_mpdu_fail += FIELD_GET(MT_TXS6_F1_MPDU_FAIL_COUNT, txs6);
+ stats->tx_mpdu_retry += FIELD_GET(MT_TXS7_F1_MPDU_RETRY_COUNT, txs7);
txrate = FIELD_GET(MT_TXS0_TX_RATE, txs);
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)) {
+ stats->tx_nss[rate.nss - 1]++;
+ /* It appears that rate.mcs even for HT may be small, considering in HT
+ * code below it is multiplied... but not certain on that,
+ * so code safely.
+ */
+ if (rate.mcs >= ARRAY_SIZE(stats->tx_mcs))
+ stats->tx_mcs[ARRAY_SIZE(stats->tx_mcs) - 1]++;
+ else
+ stats->tx_mcs[rate.mcs]++;
+
+ mode = FIELD_GET(MT_TX_RATE_MODE, txrate);
+ switch (mode) {
case MT_PHY_TYPE_CCK:
cck = true;
fallthrough;
@@ -1389,18 +1404,24 @@ mt7915_mac_add_txs_skb(struct mt7915_dev *dev, struct mt76_wcid *wcid, int pid,
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;
@@ -1443,12 +1464,13 @@ static void mt7915_mac_add_txs(struct mt7915_dev *dev, void *data)
if (!wcid)
goto out;
- mt7915_mac_add_txs_skb(dev, wcid, pid, txs_data);
+ msta = container_of(wcid, struct mt7915_sta, wcid);
+
+ mt7915_mac_add_txs_skb(dev, wcid, pid, txs_data, &msta->stats);
if (!wcid->sta)
goto out;
- msta = container_of(wcid, struct mt7915_sta, wcid);
spin_lock_bh(&dev->sta_poll_lock);
if (list_empty(&msta->poll_list))
list_add_tail(&msta->poll_list, &dev->sta_poll_list);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index 33be449309e0..a8617ba69a21 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -64,6 +64,16 @@ enum mt7915_rxq_id {
MT7915_RXQ_MCU_WA_EXT,
};
+struct mt7915_sta_stats {
+ unsigned long tx_mpdu_attempts;
+ unsigned long tx_mpdu_fail;
+ unsigned long tx_mpdu_retry;
+ unsigned long tx_mode[MT_PHY_TYPE_HE_LAST]; /* See mt76_phy_type */
+ unsigned long tx_bw[4]; /* 20, 40, 80, 160 */
+ unsigned long tx_nss[4]; /* 1, 2, 3, 4 */
+ unsigned long tx_mcs[16]; /* mcs idx */
+};
+
struct mt7915_sta_key_conf {
s8 keyidx;
u8 key[16];
@@ -82,8 +92,11 @@ struct mt7915_sta {
unsigned long jiffies;
unsigned long ampdu_state;
+ struct mt7915_sta_stats stats;
+
struct mt7915_sta_key_conf bip;
};
+
struct mt7915_vif {
u16 idx;
u8 omac_idx;
@@ -103,6 +116,7 @@ struct mib_stats {
u32 rts_cnt;
u32 rts_retries_cnt;
u32 ba_miss_cnt;
+ /* Add more stats here, updated from mac_update_stats */
};
struct mt7915_hif {
--
2.20.1