diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2021-10-19 12:12:25 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-10-20 10:37:01 +0200 |
| commit | 81811173de4fe73317ad420ac373baa12d1326d0 (patch) | |
| tree | c18e8e41c643369963cc3c60b07b4c38e7a90e77 /drivers/net/wireless/mediatek/mt76/mt7915/main.c | |
| parent | 54ae98ff4b2267e22a4a10a0ccbe2250666da859 (diff) | |
| download | linux-81811173de4fe73317ad420ac373baa12d1326d0.tar.gz | |
mt76: mt7915: run mt7915_get_et_stats holding mt76 mutex
Since it can run in parallel with mac_work, hold mutex lock in
mt7915_get_et_stats. Moreover update mib counters running
mt7915_get_et_stats.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/main.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/main.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index 7cb6ba410ffc..aea6bce7e9da 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -1215,6 +1215,10 @@ void mt7915_get_et_stats(struct ieee80211_hw *hw, bool ext_phy = phy != &dev->phy; int i, n, ei = 0; + mutex_lock(&dev->mt76.mutex); + + mt7915_mac_update_stats(phy); + data[ei++] = mib->tx_ampdu_cnt; data[ei++] = mib->tx_stop_q_empty_cnt; data[ei++] = mib->tx_mpdu_attempts_cnt; @@ -1278,6 +1282,8 @@ void mt7915_get_et_stats(struct ieee80211_hw *hw, wi.initial_stat_idx = ei; ieee80211_iterate_stations_atomic(hw, mt7915_ethtool_worker, &wi); + mutex_unlock(&dev->mt76.mutex); + if (wi.sta_count == 0) return; |