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Diffstat (limited to 'net/mac80211/rate.h')
-rw-r--r--net/mac80211/rate.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index 38652f09feaf..25c9be5dd7fd 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -42,10 +42,12 @@ static inline void rate_control_tx_status(struct ieee80211_local *local,
if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
return;
+ spin_lock_bh(&sta->rate_ctrl_lock);
if (ref->ops->tx_status)
ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
else
ref->ops->tx_status_noskb(ref->priv, sband, ista, priv_sta, info);
+ spin_unlock_bh(&sta->rate_ctrl_lock);
}
static inline void
@@ -64,7 +66,9 @@ rate_control_tx_status_noskb(struct ieee80211_local *local,
if (WARN_ON_ONCE(!ref->ops->tx_status_noskb))
return;
+ spin_lock_bh(&sta->rate_ctrl_lock);
ref->ops->tx_status_noskb(ref->priv, sband, ista, priv_sta, info);
+ spin_unlock_bh(&sta->rate_ctrl_lock);
}
static inline void rate_control_rate_init(struct sta_info *sta)
@@ -91,8 +95,10 @@ static inline void rate_control_rate_init(struct sta_info *sta)
sband = local->hw.wiphy->bands[chanctx_conf->def.chan->band];
+ spin_lock_bh(&sta->rate_ctrl_lock);
ref->ops->rate_init(ref->priv, sband, &chanctx_conf->def, ista,
priv_sta);
+ spin_unlock_bh(&sta->rate_ctrl_lock);
rcu_read_unlock();
set_sta_flag(sta, WLAN_STA_RATE_CONTROL);
}
@@ -115,18 +121,20 @@ static inline void rate_control_rate_update(struct ieee80211_local *local,
return;
}
+ spin_lock_bh(&sta->rate_ctrl_lock);
ref->ops->rate_update(ref->priv, sband, &chanctx_conf->def,
ista, priv_sta, changed);
+ spin_unlock_bh(&sta->rate_ctrl_lock);
rcu_read_unlock();
}
drv_sta_rc_update(local, sta->sdata, &sta->sta, changed);
}
static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
- struct ieee80211_sta *sta,
- gfp_t gfp)
+ struct sta_info *sta, gfp_t gfp)
{
- return ref->ops->alloc_sta(ref->priv, sta, gfp);
+ spin_lock_init(&sta->rate_ctrl_lock);
+ return ref->ops->alloc_sta(ref->priv, &sta->sta, gfp);
}
static inline void rate_control_free_sta(struct sta_info *sta)