return 0;
}
+static DEFINE_MUTEX(mtk_flow_offload_mutex);
+
static int
mtk_eth_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv)
{
struct net_device *dev = cb_priv;
struct mtk_mac *mac = netdev_priv(dev);
struct mtk_eth *eth = mac->hw;
+ int err;
if (!tc_can_offload(dev))
return -EOPNOTSUPP;
if (type != TC_SETUP_CLSFLOWER)
return -EOPNOTSUPP;
+ mutex_lock(&mtk_flow_offload_mutex);
switch (cls->command) {
case FLOW_CLS_REPLACE:
- return mtk_flow_offload_replace(eth, cls);
+ err = mtk_flow_offload_replace(eth, cls);
+ break;
case FLOW_CLS_DESTROY:
- return mtk_flow_offload_destroy(eth, cls);
+ err = mtk_flow_offload_destroy(eth, cls);
+ break;
case FLOW_CLS_STATS:
- return mtk_flow_offload_stats(eth, cls);
+ err = mtk_flow_offload_stats(eth, cls);
+ break;
default:
- return -EOPNOTSUPP;
+ err = -EOPNOTSUPP;
+ break;
}
+ mutex_unlock(&mtk_flow_offload_mutex);
- return 0;
+ return err;
}
static int