From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
These counters are clear-on-read, so we need to accumulate
them in the update_stats poll logic, and read the accumulated
values instead of directly doing register reads when reporting
to debugfs and ethtool stats.
Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
---
.../wireless/mediatek/mt76/mt7915/debugfs.c | 33 ++++++++-----------
.../net/wireless/mediatek/mt76/mt7915/mac.c | 13 +++++++-
.../wireless/mediatek/mt76/mt7915/mt7915.h | 4 +++
3 files changed, 29 insertions(+), 21 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index 61a57c86cbdb..9dce4a0e7a5c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -152,6 +152,7 @@ mt7915_txbf_stat_read_phy(struct mt7915_phy *phy, struct seq_file *s)
"BW20", "BW40", "BW80", "BW160"
};
int cnt;
+ struct mib_stats *mib = &phy->mib;
if (!phy)
return;
@@ -187,15 +188,13 @@ mt7915_txbf_stat_read_phy(struct mt7915_phy *phy, struct seq_file *s)
FIELD_GET(MT_ETBF_TX_FB_TRI, cnt));
/* Tx SU & MU counters */
- cnt = mt76_rr(dev, MT_MIB_SDR34(ext_phy));
- seq_printf(s, "Tx multi-user Beamforming counts: %ld\n",
- FIELD_GET(MT_MIB_MU_BF_TX_CNT, cnt));
- cnt = mt76_rr(dev, MT_MIB_DR8(ext_phy));
- seq_printf(s, "Tx multi-user MPDU counts: %d\n", cnt);
- cnt = mt76_rr(dev, MT_MIB_DR9(ext_phy));
- seq_printf(s, "Tx multi-user successful MPDU counts: %d\n", cnt);
- cnt = mt76_rr(dev, MT_MIB_DR11(ext_phy));
- seq_printf(s, "Tx single-user successful MPDU counts: %d\n", cnt);
+ seq_printf(s, "Tx multi-user Beamforming counts: %d\n",
+ mib->tx_bf_cnt);
+ seq_printf(s, "Tx multi-user MPDU counts: %d\n", mib->tx_mu_mpdu_cnt);
+ seq_printf(s, "Tx multi-user successful MPDU counts: %d\n",
+ mib->tx_mu_successful_mpdu_cnt);
+ seq_printf(s, "Tx single-user successful MPDU counts: %d\n",
+ mib->tx_su_successful_mpdu_cnt);
seq_puts(s, "\n");
}
@@ -488,6 +487,7 @@ void mt7915_debug_get_et_stats(struct ieee80211_hw *hw,
struct mt7915_sta *msta;
struct mt7915_sta_stats *mstats;
bool found_sta = false;
+ struct mib_stats *mib = &phy->mib;
/* See mt7915_ampdu_stat_read_phy, etc */
bool ext_phy = phy != &dev->phy;
@@ -527,17 +527,10 @@ void mt7915_debug_get_et_stats(struct ieee80211_hw *hw,
data[ei++] = FIELD_GET(MT_ETBF_TX_FB_TRI, cnt);
/* Tx SU & MU counters */
- cnt = mt76_rr(dev, MT_MIB_SDR34(ext_phy));
- data[ei++] = FIELD_GET(MT_MIB_MU_BF_TX_CNT, cnt);
-
- cnt = mt76_rr(dev, MT_MIB_DR8(ext_phy));
- data[ei++] = cnt;
-
- cnt = mt76_rr(dev, MT_MIB_DR9(ext_phy));
- data[ei++] = cnt; /* MU MPDU SUccessful */
-
- cnt = mt76_rr(dev, MT_MIB_DR11(ext_phy));
- data[ei++] = cnt; /* SU MPDU successful */
+ data[ei++] = mib->tx_bf_cnt;
+ data[ei++] = mib->tx_mu_mpdu_cnt;
+ data[ei++] = mib->tx_mu_successful_mpdu_cnt;
+ data[ei++] = mib->tx_su_successful_mpdu_cnt;
/* TODO: External phy too?? */
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 585f67daec8e..53e8347ef75b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -1880,10 +1880,21 @@ mt7915_mac_update_stats(struct mt7915_phy *phy)
struct mt7915_dev *dev = phy->dev;
struct mib_stats *mib = &phy->mib;
bool ext_phy = phy != &dev->phy;
- int i, aggr0, aggr1;
+ int i, aggr0, aggr1, cnt;
mib->fcs_err_cnt += mt76_get_field(dev, MT_MIB_SDR3(ext_phy),
MT_MIB_SDR3_FCS_ERR_MASK);
+ cnt = mt76_rr(dev, MT_MIB_SDR34(ext_phy));
+ mib->tx_bf_cnt += FIELD_GET(MT_MIB_MU_BF_TX_CNT, cnt);
+
+ cnt = mt76_rr(dev, MT_MIB_DR8(ext_phy));
+ mib->tx_mu_mpdu_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_DR9(ext_phy));
+ mib->tx_mu_successful_mpdu_cnt += cnt;
+
+ cnt = mt76_rr(dev, MT_MIB_DR11(ext_phy));
+ mib->tx_su_successful_mpdu_cnt += cnt;
aggr0 = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
for (i = 0, aggr1 = aggr0 + 4; i < 4; i++) {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index ff944d1cf527..c5d0f2331b6f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -116,6 +116,10 @@ struct mib_stats {
u32 rts_cnt;
u32 rts_retries_cnt;
u32 ba_miss_cnt;
+ u32 tx_bf_cnt;
+ u32 tx_mu_mpdu_cnt;
+ u32 tx_mu_successful_mpdu_cnt;
+ u32 tx_su_successful_mpdu_cnt;
/* Add more stats here, updated from mac_update_stats */
};
--
2.20.1
