1 files changed, 25 insertions, 0 deletions
diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c
index 267c3b1ca047..b28e66ca835c 100644
--- a/net/mac80211/driver-ops.c
+++ b/net/mac80211/driver-ops.c
@@ -39,3 +39,28 @@ int drv_sta_state(struct ieee80211_local *local,
 	trace_drv_return_int(local, ret);
 	return ret;
 }
+
+int drv_conf_tx(struct ieee80211_local *local,
+		struct ieee80211_sub_if_data *sdata, u16 ac,
+		const struct ieee80211_tx_queue_params *params)
+{
+	int ret = -EOPNOTSUPP;
+
+	might_sleep();
+
+	if (!check_sdata_in_driver(sdata))
+		return -EIO;
+
+	if (WARN_ONCE(params->cw_min == 0 ||
+		      params->cw_min > params->cw_max,
+		      "%s: invalid CW_min/CW_max: %d/%d\n",
+		      sdata->name, params->cw_min, params->cw_max))
+		return -EINVAL;
+
+	trace_drv_conf_tx(local, sdata, ac, params);
+	if (local->ops->conf_tx)
+		ret = local->ops->conf_tx(&local->hw, &sdata->vif,
+					  ac, params);
+	trace_drv_return_int(local, ret);
+	return ret;
+}