1 files changed, 59 insertions, 0 deletions
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index fda33f961d83..03687d22b405 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -29,6 +29,65 @@ module_param(ieee80211_default_rc_algo, charp, 0644);
 MODULE_PARM_DESC(ieee80211_default_rc_algo,
 		 "Default rate control algorithm for mac80211 to use");
 
+void rate_control_rate_init(struct sta_info *sta)
+{
+	struct ieee80211_local *local = sta->sdata->local;
+	struct rate_control_ref *ref = sta->rate_ctrl;
+	struct ieee80211_sta *ista = &sta->sta;
+	void *priv_sta = sta->rate_ctrl_priv;
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_chanctx_conf *chanctx_conf;
+
+	ieee80211_sta_set_rx_nss(sta);
+
+	if (!ref)
+		return;
+
+	rcu_read_lock();
+
+	chanctx_conf = rcu_dereference(sta->sdata->vif.chanctx_conf);
+	if (WARN_ON(!chanctx_conf)) {
+		rcu_read_unlock();
+		return;
+	}
+
+	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);
+}
+
+void rate_control_rate_update(struct ieee80211_local *local,
+				    struct ieee80211_supported_band *sband,
+				    struct sta_info *sta, u32 changed)
+{
+	struct rate_control_ref *ref = local->rate_ctrl;
+	struct ieee80211_sta *ista = &sta->sta;
+	void *priv_sta = sta->rate_ctrl_priv;
+	struct ieee80211_chanctx_conf *chanctx_conf;
+
+	if (ref && ref->ops->rate_update) {
+		rcu_read_lock();
+
+		chanctx_conf = rcu_dereference(sta->sdata->vif.chanctx_conf);
+		if (WARN_ON(!chanctx_conf)) {
+			rcu_read_unlock();
+			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);
+}
+
 int ieee80211_rate_control_register(const struct rate_control_ops *ops)
 {
 	struct rate_control_alg *alg;