+int igc_del_rss_filter(struct rte_eth_dev *dev);
+void igc_rss_conf_set(struct igc_rss_filter *out,
+ const struct rte_flow_action_rss *rss);
+int igc_add_rss_filter(struct rte_eth_dev *dev, struct igc_rss_filter *rss);
+void igc_clear_rss_filter(struct rte_eth_dev *dev);