X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_ether%2Frte_eth_ctrl.h;h=498fc85c5f3ac002bb87857670f634d1bcf867a5;hb=f161fb6ad5125e8286ea6aaa01e8903dacf21161;hp=14a739bd614cf359f8e6b5842f4db141bb54b0ce;hpb=de8f4d57043022e2adb4014ddc49b94aed766bb1;p=dpdk.git

diff --git a/lib/librte_ether/rte_eth_ctrl.h b/lib/librte_ether/rte_eth_ctrl.h
index 14a739bd61..498fc85c5f 100644
--- a/lib/librte_ether/rte_eth_ctrl.h
+++ b/lib/librte_ether/rte_eth_ctrl.h
@@ -46,13 +46,49 @@
 extern "C" {
 #endif
 
+/*
+ * A packet can be identified by hardware as different flow types. Different
+ * NIC hardwares may support different flow types.
+ * Basically, the NIC hardware identifies the flow type as deep protocol as
+ * possible, and exclusively. For example, if a packet is identified as
+ * 'RTE_ETH_FLOW_NONFRAG_IPV4_TCP', it will not be any of other flow types,
+ * though it is an actual IPV4 packet.
+ * Note that the flow types are used to define RSS offload types in
+ * rte_ethdev.h.
+ */
+#define RTE_ETH_FLOW_UNKNOWN             0
+#define RTE_ETH_FLOW_RAW                 1
+#define RTE_ETH_FLOW_IPV4                2
+#define RTE_ETH_FLOW_FRAG_IPV4           3
+#define RTE_ETH_FLOW_NONFRAG_IPV4_TCP    4
+#define RTE_ETH_FLOW_NONFRAG_IPV4_UDP    5
+#define RTE_ETH_FLOW_NONFRAG_IPV4_SCTP   6
+#define RTE_ETH_FLOW_NONFRAG_IPV4_OTHER  7
+#define RTE_ETH_FLOW_IPV6                8
+#define RTE_ETH_FLOW_FRAG_IPV6           9
+#define RTE_ETH_FLOW_NONFRAG_IPV6_TCP   10
+#define RTE_ETH_FLOW_NONFRAG_IPV6_UDP   11
+#define RTE_ETH_FLOW_NONFRAG_IPV6_SCTP  12
+#define RTE_ETH_FLOW_NONFRAG_IPV6_OTHER 13
+#define RTE_ETH_FLOW_L2_PAYLOAD         14
+#define RTE_ETH_FLOW_IPV6_EX            15
+#define RTE_ETH_FLOW_IPV6_TCP_EX        16
+#define RTE_ETH_FLOW_IPV6_UDP_EX        17
+#define RTE_ETH_FLOW_MAX                18
+
 /**
  * Feature filter types
  */
 enum rte_filter_type {
 	RTE_ETH_FILTER_NONE = 0,
 	RTE_ETH_FILTER_MACVLAN,
+	RTE_ETH_FILTER_ETHERTYPE,
+	RTE_ETH_FILTER_FLEXIBLE,
+	RTE_ETH_FILTER_SYN,
+	RTE_ETH_FILTER_NTUPLE,
 	RTE_ETH_FILTER_TUNNEL,
+	RTE_ETH_FILTER_FDIR,
+	RTE_ETH_FILTER_HASH,
 	RTE_ETH_FILTER_MAX
 };
 
@@ -60,29 +96,28 @@ enum rte_filter_type {
  * Generic operations on filters
  */
 enum rte_filter_op {
+	/** used to check whether the type filter is supported */
 	RTE_ETH_FILTER_NOP = 0,
-	/**< used to check whether the type filter is supported */
 	RTE_ETH_FILTER_ADD,      /**< add filter entry */
 	RTE_ETH_FILTER_UPDATE,   /**< update filter entry */
 	RTE_ETH_FILTER_DELETE,   /**< delete filter entry */
 	RTE_ETH_FILTER_FLUSH,    /**< flush all entries */
 	RTE_ETH_FILTER_GET,      /**< get filter entry */
 	RTE_ETH_FILTER_SET,      /**< configurations */
-	RTE_ETH_FILTER_INFO,
-	/**< get information of filter, such as status or statistics */
+	RTE_ETH_FILTER_INFO,     /**< retrieve information */
+	RTE_ETH_FILTER_STATS,    /**< retrieve statistics */
 	RTE_ETH_FILTER_OP_MAX
 };
 
-/**
+/*
  * MAC filter type
  */
 enum rte_mac_filter_type {
 	RTE_MAC_PERFECT_MATCH = 1, /**< exact match of MAC addr. */
-	RTE_MACVLAN_PERFECT_MATCH,
-	/**< exact match of MAC addr and VLAN ID. */
+	RTE_MACVLAN_PERFECT_MATCH, /**< exact match of MAC addr and VLAN ID. */
 	RTE_MAC_HASH_MATCH, /**< hash match of MAC addr. */
+	/** hash match of MAC addr and exact match of VLAN ID. */
 	RTE_MACVLAN_HASH_MATCH,
-	/**< hash match of MAC addr and exact match of VLAN ID. */
 };
 
 /**
@@ -90,11 +125,116 @@ enum rte_mac_filter_type {
  */
 struct rte_eth_mac_filter {
 	uint8_t is_vf; /**< 1 for VF, 0 for port dev */
-	uint16_t dst_id; /**<VF ID, available when is_vf is 1*/
-	uint16_t filter_type; /**< MAC filter type */
+	uint16_t dst_id; /**< VF ID, available when is_vf is 1*/
+	enum rte_mac_filter_type filter_type; /**< MAC filter type */
 	struct ether_addr mac_addr;
 };
 
+/**
+ * Define all structures for Ethertype Filter type.
+ */
+
+#define RTE_ETHTYPE_FLAGS_MAC    0x0001 /**< If set, compare mac */
+#define RTE_ETHTYPE_FLAGS_DROP   0x0002 /**< If set, drop packet when match */
+
+/**
+ * A structure used to define the ethertype filter entry
+ * to support RTE_ETH_FILTER_ETHERTYPE with RTE_ETH_FILTER_ADD,
+ * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations.
+ */
+struct rte_eth_ethertype_filter {
+	struct ether_addr mac_addr;   /**< Mac address to match. */
+	uint16_t ether_type;          /**< Ether type to match */
+	uint16_t flags;               /**< Flags from RTE_ETHTYPE_FLAGS_* */
+	uint16_t queue;               /**< Queue assigned to when match*/
+};
+
+#define RTE_FLEX_FILTER_MAXLEN	128	/**< bytes to use in flex filter. */
+#define RTE_FLEX_FILTER_MASK_SIZE	\
+	(RTE_ALIGN(RTE_FLEX_FILTER_MAXLEN, CHAR_BIT) / CHAR_BIT)
+					/**< mask bytes in flex filter. */
+
+/**
+ *  A structure used to define the flex filter entry
+ *  to support RTE_ETH_FILTER_FLEXIBLE with RTE_ETH_FILTER_ADD,
+ *  RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations.
+ */
+struct rte_eth_flex_filter {
+	uint16_t len;
+	uint8_t bytes[RTE_FLEX_FILTER_MAXLEN];  /**< flex bytes in big endian.*/
+	uint8_t mask[RTE_FLEX_FILTER_MASK_SIZE];    /**< if mask bit is 1b, do
+					not compare corresponding byte. */
+	uint8_t priority;
+	uint16_t queue;       /**< Queue assigned to when match. */
+};
+
+/**
+ * A structure used to define the TCP syn filter entry
+ * to support RTE_ETH_FILTER_SYN with RTE_ETH_FILTER_ADD,
+ * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations.
+ */
+struct rte_eth_syn_filter {
+	uint8_t hig_pri;     /**< 1 - higher priority than other filters,
+				  0 - lower priority. */
+	uint16_t queue;      /**< Queue assigned to when match */
+};
+
+/**
+ * Define all structures for ntuple Filter type.
+ */
+
+#define RTE_NTUPLE_FLAGS_DST_IP    0x0001 /**< If set, dst_ip is part of ntuple */
+#define RTE_NTUPLE_FLAGS_SRC_IP    0x0002 /**< If set, src_ip is part of ntuple */
+#define RTE_NTUPLE_FLAGS_DST_PORT  0x0004 /**< If set, dst_port is part of ntuple */
+#define RTE_NTUPLE_FLAGS_SRC_PORT  0x0008 /**< If set, src_port is part of ntuple */
+#define RTE_NTUPLE_FLAGS_PROTO     0x0010 /**< If set, protocol is part of ntuple */
+#define RTE_NTUPLE_FLAGS_TCP_FLAG  0x0020 /**< If set, tcp flag is involved */
+
+#define RTE_5TUPLE_FLAGS ( \
+		RTE_NTUPLE_FLAGS_DST_IP | \
+		RTE_NTUPLE_FLAGS_SRC_IP | \
+		RTE_NTUPLE_FLAGS_DST_PORT | \
+		RTE_NTUPLE_FLAGS_SRC_PORT | \
+		RTE_NTUPLE_FLAGS_PROTO)
+
+#define RTE_2TUPLE_FLAGS ( \
+		RTE_NTUPLE_FLAGS_DST_PORT | \
+		RTE_NTUPLE_FLAGS_PROTO)
+
+#define TCP_URG_FLAG 0x20
+#define TCP_ACK_FLAG 0x10
+#define TCP_PSH_FLAG 0x08
+#define TCP_RST_FLAG 0x04
+#define TCP_SYN_FLAG 0x02
+#define TCP_FIN_FLAG 0x01
+#define TCP_FLAG_ALL 0x3F
+
+/**
+ * A structure used to define the ntuple filter entry
+ * to support RTE_ETH_FILTER_NTUPLE with RTE_ETH_FILTER_ADD,
+ * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations.
+ */
+struct rte_eth_ntuple_filter {
+	uint16_t flags;          /**< Flags from RTE_NTUPLE_FLAGS_* */
+	uint32_t dst_ip;         /**< Destination IP address in big endian. */
+	uint32_t dst_ip_mask;    /**< Mask of destination IP address. */
+	uint32_t src_ip;         /**< Source IP address in big endian. */
+	uint32_t src_ip_mask;    /**< Mask of destination IP address. */
+	uint16_t dst_port;       /**< Destination port in big endian. */
+	uint16_t dst_port_mask;  /**< Mask of destination port. */
+	uint16_t src_port;       /**< Source Port in big endian. */
+	uint16_t src_port_mask;  /**< Mask of source port. */
+	uint8_t proto;           /**< L4 protocol. */
+	uint8_t proto_mask;      /**< Mask of L4 protocol. */
+	/** tcp_flags only meaningful when the proto is TCP.
+	    The packet matched above ntuple fields and contain
+	    any set bit in tcp_flags will hit this filter. */
+	uint8_t tcp_flags;
+	uint16_t priority;       /**< seven levels (001b-111b), 111b is highest,
+				      used when more than one filter matches. */
+	uint16_t queue;          /**< Queue assigned to when match*/
+};
+
 /**
  * Tunneled type.
  */
@@ -155,6 +295,341 @@ struct rte_eth_tunnel_filter_conf {
 	uint16_t queue_id;      /** < queue number. */
 };
 
+#define RTE_ETH_FDIR_MAX_FLEXLEN         16 /** < Max length of flexbytes. */
+
+/**
+ * A structure used to define the input for IPV4 flow
+ */
+struct rte_eth_ipv4_flow {
+	uint32_t src_ip;      /**< IPv4 source address to match. */
+	uint32_t dst_ip;      /**< IPv4 destination address to match. */
+};
+
+/**
+ * A structure used to define the input for IPV4 UDP flow
+ */
+struct rte_eth_udpv4_flow {
+	struct rte_eth_ipv4_flow ip; /**< IPv4 fields to match. */
+	uint16_t src_port;           /**< UDP source port to match. */
+	uint16_t dst_port;           /**< UDP destination port to match. */
+};
+
+/**
+ * A structure used to define the input for IPV4 TCP flow
+ */
+struct rte_eth_tcpv4_flow {
+	struct rte_eth_ipv4_flow ip; /**< IPv4 fields to match. */
+	uint16_t src_port;           /**< TCP source port to match. */
+	uint16_t dst_port;           /**< TCP destination port to match. */
+};
+
+/**
+ * A structure used to define the input for IPV4 SCTP flow
+ */
+struct rte_eth_sctpv4_flow {
+	struct rte_eth_ipv4_flow ip; /**< IPv4 fields to match. */
+	uint32_t verify_tag;         /**< Verify tag to match */
+};
+
+/**
+ * A structure used to define the input for IPV6 flow
+ */
+struct rte_eth_ipv6_flow {
+	uint32_t src_ip[4];      /**< IPv6 source address to match. */
+	uint32_t dst_ip[4];      /**< IPv6 destination address to match. */
+};
+
+/**
+ * A structure used to define the input for IPV6 UDP flow
+ */
+struct rte_eth_udpv6_flow {
+	struct rte_eth_ipv6_flow ip; /**< IPv6 fields to match. */
+	uint16_t src_port;           /**< UDP source port to match. */
+	uint16_t dst_port;           /**< UDP destination port to match. */
+};
+
+/**
+ * A structure used to define the input for IPV6 TCP flow
+ */
+struct rte_eth_tcpv6_flow {
+	struct rte_eth_ipv6_flow ip; /**< IPv6 fields to match. */
+	uint16_t src_port;           /**< TCP source port to match. */
+	uint16_t dst_port;           /**< TCP destination port to match. */
+};
+
+/**
+ * A structure used to define the input for IPV6 SCTP flow
+ */
+struct rte_eth_sctpv6_flow {
+	struct rte_eth_ipv6_flow ip; /**< IPv6 fields to match. */
+	uint32_t verify_tag;         /**< Verify tag to match */
+};
+
+/**
+ * An union contains the inputs for all types of flow
+ */
+union rte_eth_fdir_flow {
+	struct rte_eth_udpv4_flow  udp4_flow;
+	struct rte_eth_tcpv4_flow  tcp4_flow;
+	struct rte_eth_sctpv4_flow sctp4_flow;
+	struct rte_eth_ipv4_flow   ip4_flow;
+	struct rte_eth_udpv6_flow  udp6_flow;
+	struct rte_eth_tcpv6_flow  tcp6_flow;
+	struct rte_eth_sctpv6_flow sctp6_flow;
+	struct rte_eth_ipv6_flow   ipv6_flow;
+};
+
+/**
+ * A structure used to contain extend input of flow
+ */
+struct rte_eth_fdir_flow_ext {
+	uint16_t vlan_tci;
+	uint8_t flexbytes[RTE_ETH_FDIR_MAX_FLEXLEN];
+	/**< It is filled by the flexible payload to match. */
+};
+
+/**
+ * A structure used to define the input for a flow director filter entry
+ */
+struct rte_eth_fdir_input {
+	uint16_t flow_type;
+	union rte_eth_fdir_flow flow;
+	/**< Flow fields to match, dependent on flow_type */
+	struct rte_eth_fdir_flow_ext flow_ext;
+	/**< Additional fields to match */
+};
+
+/**
+ * Behavior will be taken if FDIR match
+ */
+enum rte_eth_fdir_behavior {
+	RTE_ETH_FDIR_ACCEPT = 0,
+	RTE_ETH_FDIR_REJECT,
+};
+
+/**
+ * Flow director report status
+ * It defines what will be reported if FDIR entry is matched.
+ */
+enum rte_eth_fdir_status {
+	RTE_ETH_FDIR_NO_REPORT_STATUS = 0, /**< Report nothing. */
+	RTE_ETH_FDIR_REPORT_ID,            /**< Only report FD ID. */
+	RTE_ETH_FDIR_REPORT_ID_FLEX_4,     /**< Report FD ID and 4 flex bytes. */
+	RTE_ETH_FDIR_REPORT_FLEX_8,        /**< Report 8 flex bytes. */
+};
+
+/**
+ * A structure used to define an action when match FDIR packet filter.
+ */
+struct rte_eth_fdir_action {
+	uint16_t rx_queue;        /**< Queue assigned to if FDIR match. */
+	enum rte_eth_fdir_behavior behavior;     /**< Behavior will be taken */
+	enum rte_eth_fdir_status report_status;  /**< Status report option */
+	uint8_t flex_off;
+	/**< If report_status is RTE_ETH_FDIR_REPORT_ID_FLEX_4 or
+	     RTE_ETH_FDIR_REPORT_FLEX_8, flex_off specifies where the reported
+	     flex bytes start from in flexible payload. */
+};
+
+/**
+ * A structure used to define the flow director filter entry by filter_ctrl API
+ * It supports RTE_ETH_FILTER_FDIR with RTE_ETH_FILTER_ADD and
+ * RTE_ETH_FILTER_DELETE operations.
+ */
+struct rte_eth_fdir_filter {
+	uint32_t soft_id;
+	/**< ID, an unique value is required when deal with FDIR entry */
+	struct rte_eth_fdir_input input;    /**< Input set */
+	struct rte_eth_fdir_action action;  /**< Action taken when match */
+};
+
+/**
+ *  A structure used to configure FDIR masks that are used by the device
+ *  to match the various fields of RX packet headers.
+ */
+struct rte_eth_fdir_masks {
+	uint16_t vlan_tci_mask;
+	struct rte_eth_ipv4_flow   ipv4_mask;
+	struct rte_eth_ipv6_flow   ipv6_mask;
+	uint16_t src_port_mask;
+	uint16_t dst_port_mask;
+};
+
+/**
+ * Payload type
+ */
+enum rte_eth_payload_type {
+	RTE_ETH_PAYLOAD_UNKNOWN = 0,
+	RTE_ETH_RAW_PAYLOAD,
+	RTE_ETH_L2_PAYLOAD,
+	RTE_ETH_L3_PAYLOAD,
+	RTE_ETH_L4_PAYLOAD,
+	RTE_ETH_PAYLOAD_MAX = 8,
+};
+
+/**
+ * A structure used to select bytes extracted from the protocol layers to
+ * flexible payload for filter
+ */
+struct rte_eth_flex_payload_cfg {
+	enum rte_eth_payload_type type;  /**< Payload type */
+	uint16_t src_offset[RTE_ETH_FDIR_MAX_FLEXLEN];
+	/**< Offset in bytes from the beginning of packet's payload
+	     src_offset[i] indicates the flexbyte i's offset in original
+	     packet payload. This value should be less than
+	     flex_payload_limit in struct rte_eth_fdir_info.*/
+};
+
+/**
+ * A structure used to define FDIR masks for flexible payload
+ * for each flow type
+ */
+struct rte_eth_fdir_flex_mask {
+	uint16_t flow_type;
+	uint8_t mask[RTE_ETH_FDIR_MAX_FLEXLEN];
+	/**< Mask for the whole flexible payload */
+};
+
+/**
+ * A structure used to define all flexible payload related setting
+ * include flexpay load and flex mask
+ */
+struct rte_eth_fdir_flex_conf {
+	uint16_t nb_payloads;  /**< The number of following payload cfg */
+	uint16_t nb_flexmasks; /**< The number of following mask */
+	struct rte_eth_flex_payload_cfg flex_set[RTE_ETH_PAYLOAD_MAX];
+	/**< Flex payload configuration for each payload type */
+	struct rte_eth_fdir_flex_mask flex_mask[RTE_ETH_FLOW_MAX];
+	/**< Flex mask configuration for each flow type */
+};
+
+/**
+ *  Flow Director setting modes: none, signature or perfect.
+ */
+enum rte_fdir_mode {
+	RTE_FDIR_MODE_NONE      = 0, /**< Disable FDIR support. */
+	RTE_FDIR_MODE_SIGNATURE,     /**< Enable FDIR signature filter mode. */
+	RTE_FDIR_MODE_PERFECT,       /**< Enable FDIR perfect filter mode. */
+};
+
+#define UINT32_BIT (CHAR_BIT * sizeof(uint32_t))
+#define RTE_FLOW_MASK_ARRAY_SIZE \
+	(RTE_ALIGN(RTE_ETH_FLOW_MAX, UINT32_BIT)/UINT32_BIT)
+
+/**
+ * A structure used to get the information of flow director filter.
+ * It supports RTE_ETH_FILTER_FDIR with RTE_ETH_FILTER_INFO operation.
+ * It includes the mode, flexible payload configuration information,
+ * capabilities and supported flow types, flexible payload characters.
+ * It can be gotten to help taking specific configurations per device.
+ */
+struct rte_eth_fdir_info {
+	enum rte_fdir_mode mode; /**< Flow director mode */
+	struct rte_eth_fdir_masks mask;
+	/** Flex payload configuration information */
+	struct rte_eth_fdir_flex_conf flex_conf;
+	uint32_t guarant_spc; /**< Guaranteed spaces.*/
+	uint32_t best_spc; /**< Best effort spaces.*/
+	/** Bit mask for every supported flow type. */
+	uint32_t flow_types_mask[RTE_FLOW_MASK_ARRAY_SIZE];
+	uint32_t max_flexpayload; /**< Total flex payload in bytes. */
+	/** Flexible payload unit in bytes. Size and alignments of all flex
+	    payload segments should be multiplies of this value. */
+	uint32_t flex_payload_unit;
+	/** Max number of flexible payload continuous segments.
+	    Each segment should be a multiple of flex_payload_unit.*/
+	uint32_t max_flex_payload_segment_num;
+	/** Maximum src_offset in bytes allowed. It indicates that
+	    src_offset[i] in struct rte_eth_flex_payload_cfg should be less
+	    than this value. */
+	uint16_t flex_payload_limit;
+	/** Flex bitmask unit in bytes. Size of flex bitmasks should be a
+	    multiply of this value. */
+	uint32_t flex_bitmask_unit;
+	/** Max supported size of flex bitmasks in flex_bitmask_unit */
+	uint32_t max_flex_bitmask_num;
+};
+
+/**
+ * A structure used to define the statistics of flow director.
+ * It supports RTE_ETH_FILTER_FDIR with RTE_ETH_FILTER_STATS operation.
+ */
+struct rte_eth_fdir_stats {
+	uint32_t collision;    /**< Number of filters with collision. */
+	uint32_t free;         /**< Number of free filters. */
+	uint32_t maxhash;
+	/**< The lookup hash value of the added filter that updated the value
+	   of the MAXLEN field */
+	uint32_t maxlen;       /**< Longest linked list of filters. */
+	uint64_t add;          /**< Number of added filters. */
+	uint64_t remove;       /**< Number of removed filters. */
+	uint64_t f_add;        /**< Number of failed added filters. */
+	uint64_t f_remove;     /**< Number of failed removed filters. */
+	uint32_t guarant_cnt;  /**< Number of filters in guaranteed spaces. */
+	uint32_t best_cnt;     /**< Number of filters in best effort spaces. */
+};
+
+/**
+ * Hash filter information types.
+ * - RTE_ETH_HASH_FILTER_SYM_HASH_ENA_PER_PORT is for getting/setting the
+ *   information/configuration of 'symmetric hash enable' per port.
+ * - RTE_ETH_HASH_FILTER_GLOBAL_CONFIG is for getting/setting the global
+ *   configurations of hash filters. Those global configurations are valid
+ *   for all ports of the same NIC.
+ */
+enum rte_eth_hash_filter_info_type {
+	RTE_ETH_HASH_FILTER_INFO_TYPE_UNKNOWN = 0,
+	/** Symmetric hash enable per port */
+	RTE_ETH_HASH_FILTER_SYM_HASH_ENA_PER_PORT,
+	/** Configure globally for hash filter */
+	RTE_ETH_HASH_FILTER_GLOBAL_CONFIG,
+	RTE_ETH_HASH_FILTER_INFO_TYPE_MAX,
+};
+
+/**
+ * Hash function types.
+ */
+enum rte_eth_hash_function {
+	RTE_ETH_HASH_FUNCTION_DEFAULT = 0,
+	RTE_ETH_HASH_FUNCTION_TOEPLITZ, /**< Toeplitz */
+	RTE_ETH_HASH_FUNCTION_SIMPLE_XOR, /**< Simple XOR */
+	RTE_ETH_HASH_FUNCTION_MAX,
+};
+
+#define RTE_SYM_HASH_MASK_ARRAY_SIZE \
+	(RTE_ALIGN(RTE_ETH_FLOW_MAX, UINT32_BIT)/UINT32_BIT)
+/**
+ * A structure used to set or get global hash function configurations which
+ * include symmetric hash enable per flow type and hash function type.
+ * Each bit in sym_hash_enable_mask[] indicates if the symmetric hash of the
+ * coresponding flow type is enabled or not.
+ * Each bit in valid_bit_mask[] indicates if the corresponding bit in
+ * sym_hash_enable_mask[] is valid or not. For the configurations gotten, it
+ * also means if the flow type is supported by hardware or not.
+ */
+struct rte_eth_hash_global_conf {
+	enum rte_eth_hash_function hash_func; /**< Hash function type */
+	/** Bit mask for symmetric hash enable per flow type */
+	uint32_t sym_hash_enable_mask[RTE_SYM_HASH_MASK_ARRAY_SIZE];
+	/** Bit mask indicates if the corresponding bit is valid */
+	uint32_t valid_bit_mask[RTE_SYM_HASH_MASK_ARRAY_SIZE];
+};
+
+/**
+ * A structure used to set or get hash filter information, to support filter
+ * type of 'RTE_ETH_FILTER_HASH' and its operations.
+ */
+struct rte_eth_hash_filter_info {
+	enum rte_eth_hash_filter_info_type info_type; /**< Information type */
+	/** Details of hash filter information */
+	union {
+		/** For RTE_ETH_HASH_FILTER_SYM_HASH_ENA_PER_PORT */
+		uint8_t enable;
+		/** Global configurations of hash filter */
+		struct rte_eth_hash_global_conf global_conf;
+	} info;
+};
+
 #ifdef __cplusplus
 }
 #endif