+#define RTE_ETH_FDIR_MAX_FLEXLEN 16 /** < Max length of flexbytes. */
+#define RTE_ETH_INSET_SIZE_MAX 128 /** < Max length of input set. */
+
+/**
+ * Input set fields for Flow Director and Hash filters
+ */
+enum rte_eth_input_set_field {
+ RTE_ETH_INPUT_SET_UNKNOWN = 0,
+
+ /* L2 */
+ RTE_ETH_INPUT_SET_L2_SRC_MAC = 1,
+ RTE_ETH_INPUT_SET_L2_DST_MAC,
+ RTE_ETH_INPUT_SET_L2_OUTER_VLAN,
+ RTE_ETH_INPUT_SET_L2_INNER_VLAN,
+ RTE_ETH_INPUT_SET_L2_ETHERTYPE,
+
+ /* L3 */
+ RTE_ETH_INPUT_SET_L3_SRC_IP4 = 129,
+ RTE_ETH_INPUT_SET_L3_DST_IP4,
+ RTE_ETH_INPUT_SET_L3_SRC_IP6,
+ RTE_ETH_INPUT_SET_L3_DST_IP6,
+ RTE_ETH_INPUT_SET_L3_IP4_TOS,
+ RTE_ETH_INPUT_SET_L3_IP4_PROTO,
+ RTE_ETH_INPUT_SET_L3_IP6_TC,
+ RTE_ETH_INPUT_SET_L3_IP6_NEXT_HEADER,
+
+ /* L4 */
+ RTE_ETH_INPUT_SET_L4_UDP_SRC_PORT = 257,
+ RTE_ETH_INPUT_SET_L4_UDP_DST_PORT,
+ RTE_ETH_INPUT_SET_L4_TCP_SRC_PORT,
+ RTE_ETH_INPUT_SET_L4_TCP_DST_PORT,
+ RTE_ETH_INPUT_SET_L4_SCTP_SRC_PORT,
+ RTE_ETH_INPUT_SET_L4_SCTP_DST_PORT,
+ RTE_ETH_INPUT_SET_L4_SCTP_VERIFICATION_TAG,
+
+ /* Tunnel */
+ RTE_ETH_INPUT_SET_TUNNEL_L2_INNER_DST_MAC = 385,
+ RTE_ETH_INPUT_SET_TUNNEL_L2_INNER_SRC_MAC,
+ RTE_ETH_INPUT_SET_TUNNEL_L2_INNER_VLAN,
+ RTE_ETH_INPUT_SET_TUNNEL_L4_UDP_KEY,
+ RTE_ETH_INPUT_SET_TUNNEL_GRE_KEY,
+
+ /* Flexible Payload */
+ RTE_ETH_INPUT_SET_FLEX_PAYLOAD_1ST_WORD = 641,
+ RTE_ETH_INPUT_SET_FLEX_PAYLOAD_2ND_WORD,
+ RTE_ETH_INPUT_SET_FLEX_PAYLOAD_3RD_WORD,
+ RTE_ETH_INPUT_SET_FLEX_PAYLOAD_4TH_WORD,
+ RTE_ETH_INPUT_SET_FLEX_PAYLOAD_5TH_WORD,
+ RTE_ETH_INPUT_SET_FLEX_PAYLOAD_6TH_WORD,
+ RTE_ETH_INPUT_SET_FLEX_PAYLOAD_7TH_WORD,
+ RTE_ETH_INPUT_SET_FLEX_PAYLOAD_8TH_WORD,
+
+ RTE_ETH_INPUT_SET_DEFAULT = 65533,
+ RTE_ETH_INPUT_SET_NONE = 65534,
+ RTE_ETH_INPUT_SET_MAX = 65535,
+};
+
+/**
+ * Filters input set operations
+ */
+enum rte_filter_input_set_op {
+ RTE_ETH_INPUT_SET_OP_UNKNOWN,
+ RTE_ETH_INPUT_SET_SELECT, /**< select input set */
+ RTE_ETH_INPUT_SET_ADD, /**< add input set entry */
+ RTE_ETH_INPUT_SET_OP_MAX
+};
+
+
+/**
+ * A structure used to define the input set configuration for
+ * flow director and hash filters
+ */
+struct rte_eth_input_set_conf {
+ uint16_t flow_type;
+ uint16_t inset_size;
+ enum rte_eth_input_set_field field[RTE_ETH_INSET_SIZE_MAX];
+ enum rte_filter_input_set_op op;
+};