New upstream version 18.08upstream/18.08

Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 828 insertions, 0 deletions

diff --git a/lib/librte_ethdev/rte_eth_ctrl.h b/lib/librte_ethdev/rte_eth_ctrl.h
new file mode 100644
index 00000000..5ea8ae24
--- /dev/null
+++ b/lib/librte_ethdev/rte_eth_ctrl.h
@@ -0,0 +1,828 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2015 Intel Corporation
+ */
+
+#ifndef _RTE_ETH_CTRL_H_
+#define _RTE_ETH_CTRL_H_
+
+#include <stdint.h>
+#include <rte_common.h>
+#include "rte_ether.h"
+
+/**
+ * @file
+ *
+ * Ethernet device features and related data structures used
+ * by control APIs should be defined in this file.
+ *
+ */
+
+#ifdef __cplusplus
+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_PORT               18
+	/**< Consider device port number as a flow differentiator */
+#define RTE_ETH_FLOW_VXLAN              19 /**< VXLAN protocol based flow */
+#define RTE_ETH_FLOW_GENEVE             20 /**< GENEVE protocol based flow */
+#define RTE_ETH_FLOW_NVGRE              21 /**< NVGRE protocol based flow */
+#define RTE_ETH_FLOW_VXLAN_GPE          22 /**< VXLAN-GPE protocol based flow */
+#define RTE_ETH_FLOW_MAX                23
+
+/**
+ * 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_L2_TUNNEL,
+	RTE_ETH_FILTER_GENERIC,
+	RTE_ETH_FILTER_MAX
+};
+
+/**
+ * Generic operations on filters
+ */
+enum rte_filter_op {
+	/** used to check whether the type filter is supported */
+	RTE_ETH_FILTER_NOP = 0,
+	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,     /**< 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_MAC_HASH_MATCH, /**< hash match of MAC addr. */
+	/** hash match of MAC addr and exact match of VLAN ID. */
+	RTE_MACVLAN_HASH_MATCH,
+};
+
+/**
+ * MAC filter info
+ */
+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*/
+	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.
+ */
+enum rte_eth_tunnel_type {
+	RTE_TUNNEL_TYPE_NONE = 0,
+	RTE_TUNNEL_TYPE_VXLAN,
+	RTE_TUNNEL_TYPE_GENEVE,
+	RTE_TUNNEL_TYPE_TEREDO,
+	RTE_TUNNEL_TYPE_NVGRE,
+	RTE_TUNNEL_TYPE_IP_IN_GRE,
+	RTE_L2_TUNNEL_TYPE_E_TAG,
+	RTE_TUNNEL_TYPE_MAX,
+};
+
+/**
+ * filter type of tunneling packet
+ */
+#define ETH_TUNNEL_FILTER_OMAC  0x01 /**< filter by outer MAC addr */
+#define ETH_TUNNEL_FILTER_OIP   0x02 /**< filter by outer IP Addr */
+#define ETH_TUNNEL_FILTER_TENID 0x04 /**< filter by tenant ID */
+#define ETH_TUNNEL_FILTER_IMAC  0x08 /**< filter by inner MAC addr */
+#define ETH_TUNNEL_FILTER_IVLAN 0x10 /**< filter by inner VLAN ID */
+#define ETH_TUNNEL_FILTER_IIP   0x20 /**< filter by inner IP addr */
+
+#define RTE_TUNNEL_FILTER_IMAC_IVLAN (ETH_TUNNEL_FILTER_IMAC | \
+					ETH_TUNNEL_FILTER_IVLAN)
+#define RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID (ETH_TUNNEL_FILTER_IMAC | \
+					ETH_TUNNEL_FILTER_IVLAN | \
+					ETH_TUNNEL_FILTER_TENID)
+#define RTE_TUNNEL_FILTER_IMAC_TENID (ETH_TUNNEL_FILTER_IMAC | \
+					ETH_TUNNEL_FILTER_TENID)
+#define RTE_TUNNEL_FILTER_OMAC_TENID_IMAC (ETH_TUNNEL_FILTER_OMAC | \
+					ETH_TUNNEL_FILTER_TENID | \
+					ETH_TUNNEL_FILTER_IMAC)
+
+/**
+ *  Select IPv4 or IPv6 for tunnel filters.
+ */
+enum rte_tunnel_iptype {
+	RTE_TUNNEL_IPTYPE_IPV4 = 0, /**< IPv4. */
+	RTE_TUNNEL_IPTYPE_IPV6,     /**< IPv6. */
+};
+
+/**
+ * Tunneling Packet filter configuration.
+ */
+struct rte_eth_tunnel_filter_conf {
+	struct ether_addr outer_mac;    /**< Outer MAC address to match. */
+	struct ether_addr inner_mac;    /**< Inner MAC address to match. */
+	uint16_t inner_vlan;            /**< Inner VLAN to match. */
+	enum rte_tunnel_iptype ip_type; /**< IP address type. */
+	/** Outer destination IP address to match if ETH_TUNNEL_FILTER_OIP
+	    is set in filter_type, or inner destination IP address to match
+	    if ETH_TUNNEL_FILTER_IIP is set in filter_type . */
+	union {
+		uint32_t ipv4_addr;     /**< IPv4 address in big endian. */
+		uint32_t ipv6_addr[4];  /**< IPv6 address in big endian. */
+	} ip_addr;
+	/** Flags from ETH_TUNNEL_FILTER_XX - see above. */
+	uint16_t filter_type;
+	enum rte_eth_tunnel_type tunnel_type; /**< Tunnel Type. */
+	uint32_t tenant_id;     /**< Tenant ID to match. VNI, GRE key... */
+	uint16_t queue_id;      /**< Queue assigned to if match. */
+};
+
+/**
+ * Global eth device configuration type.
+ */
+enum rte_eth_global_cfg_type {
+	RTE_ETH_GLOBAL_CFG_TYPE_UNKNOWN = 0,
+	RTE_ETH_GLOBAL_CFG_TYPE_GRE_KEY_LEN,
+	RTE_ETH_GLOBAL_CFG_TYPE_MAX,
+};
+
+/**
+ * Global eth device configuration.
+ */
+struct rte_eth_global_cfg {
+	enum rte_eth_global_cfg_type cfg_type; /**< Global config type. */
+	union {
+		uint8_t gre_key_len; /**< Valid GRE key length in byte. */
+		uint64_t reserved; /**< Reserve space for future use. */
+	} cfg;
+};
+
+#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,
+	RTE_ETH_INPUT_SET_L3_IP4_TTL,
+	RTE_ETH_INPUT_SET_L3_IP6_HOP_LIMITS,
+
+	/* 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;
+};
+
+/**
+ * A structure used to define the input for L2 flow
+ */
+struct rte_eth_l2_flow {
+	uint16_t ether_type;          /**< Ether type in big endian */
+};
+
+/**
+ * A structure used to define the input for IPV4 flow
+ */
+struct rte_eth_ipv4_flow {
+	uint32_t src_ip;      /**< IPv4 source address in big endian. */
+	uint32_t dst_ip;      /**< IPv4 destination address in big endian. */
+	uint8_t  tos;         /**< Type of service to match. */
+	uint8_t  ttl;         /**< Time to live to match. */
+	uint8_t  proto;       /**< Protocol, next header in big endian. */
+};
+
+/**
+ * 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 in big endian. */
+	uint16_t dst_port;           /**< UDP destination port in big endian. */
+};
+
+/**
+ * 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 in big endian. */
+	uint16_t dst_port;           /**< TCP destination port in big endian. */
+};
+
+/**
+ * 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. */
+	uint16_t src_port;           /**< SCTP source port in big endian. */
+	uint16_t dst_port;           /**< SCTP destination port in big endian. */
+	uint32_t verify_tag;         /**< Verify tag in big endian */
+};
+
+/**
+ * A structure used to define the input for IPV6 flow
+ */
+struct rte_eth_ipv6_flow {
+	uint32_t src_ip[4];      /**< IPv6 source address in big endian. */
+	uint32_t dst_ip[4];      /**< IPv6 destination address in big endian. */
+	uint8_t  tc;             /**< Traffic class to match. */
+	uint8_t  proto;          /**< Protocol, next header to match. */
+	uint8_t  hop_limits;     /**< Hop limits 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 in big endian. */
+	uint16_t dst_port;           /**< UDP destination port in big endian. */
+};
+
+/**
+ * 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 in big endian. */
+	uint16_t dst_port;           /**< TCP destination port in big endian. */
+};
+
+/**
+ * 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. */
+	uint16_t src_port;           /**< SCTP source port in big endian. */
+	uint16_t dst_port;           /**< SCTP destination port in big endian. */
+	uint32_t verify_tag;         /**< Verify tag in big endian. */
+};
+
+/**
+ * A structure used to define the input for MAC VLAN flow
+ */
+struct rte_eth_mac_vlan_flow {
+	struct ether_addr mac_addr;  /**< Mac address to match. */
+};
+
+/**
+ * Tunnel type for flow director.
+ */
+enum rte_eth_fdir_tunnel_type {
+	RTE_FDIR_TUNNEL_TYPE_UNKNOWN = 0,
+	RTE_FDIR_TUNNEL_TYPE_NVGRE,
+	RTE_FDIR_TUNNEL_TYPE_VXLAN,
+};
+
+/**
+ * A structure used to define the input for tunnel flow, now it's VxLAN or
+ * NVGRE
+ */
+struct rte_eth_tunnel_flow {
+	enum rte_eth_fdir_tunnel_type tunnel_type; /**< Tunnel type to match. */
+	/** Tunnel ID to match. TNI, VNI... in big endian. */
+	uint32_t tunnel_id;
+	struct ether_addr mac_addr;                /**< Mac address to match. */
+};
+
+/**
+ * An union contains the inputs for all types of flow
+ * Items in flows need to be in big endian
+ */
+union rte_eth_fdir_flow {
+	struct rte_eth_l2_flow     l2_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;
+	struct rte_eth_mac_vlan_flow mac_vlan_flow;
+	struct rte_eth_tunnel_flow   tunnel_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. */
+	uint8_t is_vf;   /**< 1 for VF, 0 for port dev */
+	uint16_t dst_id; /**< VF ID, available when is_vf is 1*/
+};
+
+/**
+ * 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,
+	RTE_ETH_FDIR_PASSTHRU,
+};
+
+/**
+ * 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;   /**< Bit mask for vlan_tci in big endian */
+	/** Bit mask for ipv4 flow in big endian. */
+	struct rte_eth_ipv4_flow   ipv4_mask;
+	/** Bit maks for ipv6 flow in big endian. */
+	struct rte_eth_ipv6_flow   ipv6_mask;
+	/** Bit mask for L4 source port in big endian. */
+	uint16_t src_port_mask;
+	/** Bit mask for L4 destination port in big endian. */
+	uint16_t dst_port_mask;
+	/** 6 bit mask for proper 6 bytes of Mac address, bit 0 matches the
+	    first byte on the wire */
+	uint8_t mac_addr_byte_mask;
+	/** Bit mask for tunnel ID in big endian. */
+	uint32_t tunnel_id_mask;
+	uint8_t tunnel_type_mask; /**< 1 - Match tunnel type,
+				       0 - Ignore tunnel type. */
+};
+
+/**
+ * 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 flex payload 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. */
+	RTE_FDIR_MODE_PERFECT_MAC_VLAN, /**< Enable FDIR filter mode - MAC VLAN. */
+	RTE_FDIR_MODE_PERFECT_TUNNEL,   /**< Enable FDIR filter mode - tunnel. */
+};
+
+#define UINT64_BIT (CHAR_BIT * sizeof(uint64_t))
+#define RTE_FLOW_MASK_ARRAY_SIZE \
+	(RTE_ALIGN(RTE_ETH_FLOW_MAX, UINT64_BIT)/UINT64_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. */
+	uint64_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. */
+};
+
+/**
+ * Flow Director filter information types.
+ */
+enum rte_eth_fdir_filter_info_type {
+	RTE_ETH_FDIR_FILTER_INFO_TYPE_UNKNOWN = 0,
+	/** Flow Director filter input set configuration */
+	RTE_ETH_FDIR_FILTER_INPUT_SET_SELECT,
+	RTE_ETH_FDIR_FILTER_INFO_TYPE_MAX,
+};
+
+/**
+ * A structure used to set FDIR filter information, to support filter type
+ * of 'RTE_ETH_FILTER_FDIR' RTE_ETH_FDIR_FILTER_INPUT_SET_SELECT operation.
+ */
+struct rte_eth_fdir_filter_info {
+	enum rte_eth_fdir_filter_info_type info_type; /**< Information type */
+	/** Details of fdir filter information */
+	union {
+		/** Flow Director input set configuration per port */
+		struct rte_eth_input_set_conf input_set_conf;
+	} info;
+};
+
+/**
+ * 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.
+ * - RTE_ETH_HASH_FILTER_INPUT_SET_SELECT is for setting the global
+ *   hash input set fields
+ */
+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,
+	/** Global Hash filter input set configuration */
+	RTE_ETH_HASH_FILTER_INPUT_SET_SELECT,
+	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, UINT64_BIT)/UINT64_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
+ * corresponding 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 */
+	uint64_t sym_hash_enable_mask[RTE_SYM_HASH_MASK_ARRAY_SIZE];
+	/** Bit mask indicates if the corresponding bit is valid */
+	uint64_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;
+		/** Global configurations of hash filter input set */
+		struct rte_eth_input_set_conf input_set_conf;
+	} info;
+};
+
+/**
+ * l2 tunnel configuration.
+ */
+struct rte_eth_l2_tunnel_conf {
+	enum rte_eth_tunnel_type l2_tunnel_type;
+	uint16_t ether_type; /* ether type in l2 header */
+	uint32_t tunnel_id; /* port tag id for e-tag */
+	uint16_t vf_id; /* VF id for tag insertion */
+	uint32_t pool; /* destination pool for tag based forwarding */
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_ETH_CTRL_H_ */