+/**
+ * Queue region related information.
+ */
+struct rte_pmd_i40e_queue_region_conf {
+ /** the region id for this configuration */
+ uint8_t region_id;
+ /** the pctype or hardware flowtype of packet,
+ * the specific index for each type has been defined
+ * in file i40e_type.h as enum i40e_filter_pctype.
+ */
+ uint8_t hw_flowtype;
+ /** the start queue index for this region */
+ uint8_t queue_start_index;
+ /** the total queue number of this queue region */
+ uint8_t queue_num;
+ /** the packet's user priority for this region */
+ uint8_t user_priority;
+};
+
+/* queue region info */
+struct rte_pmd_i40e_queue_region_info {
+ /** the region id for this configuration */
+ uint8_t region_id;
+ /** the start queue index for this region */
+ uint8_t queue_start_index;
+ /** the total queue number of this queue region */
+ uint8_t queue_num;
+ /** the total number of user priority for this region */
+ uint8_t user_priority_num;
+ /** the packet's user priority for this region */
+ uint8_t user_priority[RTE_PMD_I40E_MAX_USER_PRIORITY];
+ /** the total number of flowtype for this region */
+ uint8_t flowtype_num;
+ /**
+ * the pctype or hardware flowtype of packet,
+ * the specific index for each type has been defined
+ * in file i40e_type.h as enum i40e_filter_pctype.
+ */
+ uint8_t hw_flowtype[RTE_PMD_I40E_PCTYPE_MAX];
+};
+
+struct rte_pmd_i40e_queue_regions {
+ /** the total number of queue region for this port */
+ uint16_t queue_region_number;
+ struct rte_pmd_i40e_queue_region_info
+ region[RTE_PMD_I40E_REGION_MAX_NUM];
+};
+
+/**
+ * Behavior will be taken if raw packet template is matched.
+ */
+enum rte_pmd_i40e_pkt_template_behavior {
+ RTE_PMD_I40E_PKT_TEMPLATE_ACCEPT,
+ RTE_PMD_I40E_PKT_TEMPLATE_REJECT,
+ RTE_PMD_I40E_PKT_TEMPLATE_PASSTHRU,
+};
+
+/**
+ * Flow director report status
+ * It defines what will be reported if raw packet template is matched.
+ */
+enum rte_pmd_i40e_pkt_template_status {
+ /** report nothing */
+ RTE_PMD_I40E_PKT_TEMPLATE_NO_REPORT_STATUS,
+ /** only report FD ID */
+ RTE_PMD_I40E_PKT_TEMPLATE_REPORT_ID,
+ /** report FD ID and 4 flex bytes */
+ RTE_PMD_I40E_PKT_TEMPLATE_REPORT_ID_FLEX_4,
+ /** report 8 flex bytes */
+ RTE_PMD_I40E_PKT_TEMPLATE_REPORT_FLEX_8,
+};
+
+/**
+ * A structure used to define an action when raw packet template is matched.
+ */
+struct rte_pmd_i40e_pkt_template_action {
+ /** queue assigned to if raw packet template match */
+ uint16_t rx_queue;
+ /** behavior will be taken */
+ enum rte_pmd_i40e_pkt_template_behavior behavior;
+ /** status report option */
+ enum rte_pmd_i40e_pkt_template_status report_status;
+ /**
+ * If report_status is RTE_PMD_I40E_PKT_TEMPLATE_REPORT_ID_FLEX_4 or
+ * RTE_PMD_I40E_PKT_TEMPLATE_REPORT_FLEX_8, flex_off specifies
+ * where the reported flex bytes start from in flexible payload.
+ */
+ uint8_t flex_off;
+};
+
+/**
+ * A structure used to define the input for raw packet template.
+ */
+struct rte_pmd_i40e_pkt_template_input {
+ /** the pctype used for raw packet template */
+ uint16_t pctype;
+ /** the buffer conatining raw packet template */
+ void *packet;
+ /** the length of buffer with raw packet template */
+ uint32_t length;
+};
+
+/**
+ * A structure used to define the configuration parameters
+ * for raw packet template.
+ */
+struct rte_pmd_i40e_pkt_template_conf {
+ /** the input for raw packet template. */
+ struct rte_pmd_i40e_pkt_template_input input;
+ /** the action to be taken when raw packet template is matched */
+ struct rte_pmd_i40e_pkt_template_action action;
+ /** ID, an unique software index for the raw packet template filter */
+ uint32_t soft_id;
+};
+
+/**
+ * Add or remove raw packet template filter to Flow Director.
+ *
+ * @param port
+ * The port identifier of the Ethernet device.
+ * @param conf
+ * Specifies configuration parameters of raw packet template filter.
+ * @param add
+ * Speicifes an action to be taken - add or remove raw packet template filter.
+ * @return
+ * - (0) if successful.
+ * - (-ENODEV) if *port* invalid.
+ * - (-EINVAL) if *conf* invalid.
+ * - (-ENOTSUP) not supported by firmware.
+ */
+int rte_pmd_i40e_flow_add_del_packet_template(
+ uint16_t port,
+ const struct rte_pmd_i40e_pkt_template_conf *conf,
+ uint8_t add);
+