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✏️ Editing: nf_tables.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _LINUX_NF_TABLES_H
#define _LINUX_NF_TABLES_H

#define NFT_NAME_MAXLEN		256
#define NFT_TABLE_MAXNAMELEN	NFT_NAME_MAXLEN
#define NFT_CHAIN_MAXNAMELEN	NFT_NAME_MAXLEN
#define NFT_SET_MAXNAMELEN	NFT_NAME_MAXLEN
#define NFT_OBJ_MAXNAMELEN	NFT_NAME_MAXLEN
#define NFT_USERDATA_MAXLEN	256

/**
 * enum nft_registers - nf_tables registers
 *
 * nf_tables used to have five registers: a verdict register and four data
 * registers of size 16. The data registers have been changed to 16 registers
 * of size 4. For compatibility reasons, the NFT_REG_[1-4] registers still
 * map to areas of size 16, the 4 byte registers are addressed using
 * NFT_REG32_00 - NFT_REG32_15.
 */
enum nft_registers {
	NFT_REG_VERDICT,
	NFT_REG_1,
	NFT_REG_2,
	NFT_REG_3,
	NFT_REG_4,
	__NFT_REG_MAX,

NFT_REG32_00	= 8,
	NFT_REG32_01,
	NFT_REG32_02,
	NFT_REG32_03,
	NFT_REG32_04,
	NFT_REG32_05,
	NFT_REG32_06,
	NFT_REG32_07,
	NFT_REG32_08,
	NFT_REG32_09,
	NFT_REG32_10,
	NFT_REG32_11,
	NFT_REG32_12,
	NFT_REG32_13,
	NFT_REG32_14,
	NFT_REG32_15,
};
#define NFT_REG_MAX	(__NFT_REG_MAX - 1)

#define NFT_REG_SIZE	16
#define NFT_REG32_SIZE	4
#define NFT_REG32_COUNT	(NFT_REG32_15 - NFT_REG32_00 + 1)

/**
 * enum nft_verdicts - nf_tables internal verdicts
 *
 * @NFT_CONTINUE: continue evaluation of the current rule
 * @NFT_BREAK: terminate evaluation of the current rule
 * @NFT_JUMP: push the current chain on the jump stack and jump to a chain
 * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack
 * @NFT_RETURN: return to the topmost chain on the jump stack
 *
 * The nf_tables verdicts share their numeric space with the netfilter verdicts.
 */
enum nft_verdicts {
	NFT_CONTINUE	= -1,
	NFT_BREAK	= -2,
	NFT_JUMP	= -3,
	NFT_GOTO	= -4,
	NFT_RETURN	= -5,
};

/**
 * enum nf_tables_msg_types - nf_tables netlink message types
 *
 * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes)
 * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes)
 * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes)
 * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes)
 * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes)
 * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes)
 * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes)
 * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes)
 * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes)
 * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes)
 * @NFT_MSG_GETSET: get a set (enum nft_set_attributes)
 * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes)
 * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes)
 * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes)
 * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes)
 * @NFT_MSG_NEWGEN: announce a new generation, only for events (enum nft_gen_attributes)
 * @NFT_MSG_GETGEN: get the rule-set generation (enum nft_gen_attributes)
 * @NFT_MSG_TRACE: trace event (enum nft_trace_attributes)
 * @NFT_MSG_NEWOBJ: create a stateful object (enum nft_obj_attributes)
 * @NFT_MSG_GETOBJ: get a stateful object (enum nft_obj_attributes)
 * @NFT_MSG_DELOBJ: delete a stateful object (enum nft_obj_attributes)
 * @NFT_MSG_GETOBJ_RESET: get and reset a stateful object (enum nft_obj_attributes)
 * @NFT_MSG_NEWFLOWTABLE: add new flow table (enum nft_flowtable_attributes)
 * @NFT_MSG_GETFLOWTABLE: get flow table (enum nft_flowtable_attributes)
 * @NFT_MSG_DELFLOWTABLE: delete flow table (enum nft_flowtable_attributes)
 */
enum nf_tables_msg_types {
	NFT_MSG_NEWTABLE,
	NFT_MSG_GETTABLE,
	NFT_MSG_DELTABLE,
	NFT_MSG_NEWCHAIN,
	NFT_MSG_GETCHAIN,
	NFT_MSG_DELCHAIN,
	NFT_MSG_NEWRULE,
	NFT_MSG_GETRULE,
	NFT_MSG_DELRULE,
	NFT_MSG_NEWSET,
	NFT_MSG_GETSET,
	NFT_MSG_DELSET,
	NFT_MSG_NEWSETELEM,
	NFT_MSG_GETSETELEM,
	NFT_MSG_DELSETELEM,
	NFT_MSG_NEWGEN,
	NFT_MSG_GETGEN,
	NFT_MSG_TRACE,
	NFT_MSG_NEWOBJ,
	NFT_MSG_GETOBJ,
	NFT_MSG_DELOBJ,
	NFT_MSG_GETOBJ_RESET,
	NFT_MSG_NEWFLOWTABLE,
	NFT_MSG_GETFLOWTABLE,
	NFT_MSG_DELFLOWTABLE,
	NFT_MSG_MAX,
};

/**
 * enum nft_list_attributes - nf_tables generic list netlink attributes
 *
 * @NFTA_LIST_ELEM: list element (NLA_NESTED)
 */
enum nft_list_attributes {
	NFTA_LIST_UNPEC,
	NFTA_LIST_ELEM,
	__NFTA_LIST_MAX
};
#define NFTA_LIST_MAX		(__NFTA_LIST_MAX - 1)

/**
 * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes
 *
 * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32)
 * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
 * @NFTA_HOOK_DEV: netdevice name (NLA_STRING)
 * @NFTA_HOOK_DEVS: list of netdevices (NLA_NESTED)
 */
enum nft_hook_attributes {
	NFTA_HOOK_UNSPEC,
	NFTA_HOOK_HOOKNUM,
	NFTA_HOOK_PRIORITY,
	NFTA_HOOK_DEV,
	NFTA_HOOK_DEVS,
	__NFTA_HOOK_MAX
};
#define NFTA_HOOK_MAX		(__NFTA_HOOK_MAX - 1)

/**
 * enum nft_table_flags - nf_tables table flags
 *
 * @NFT_TABLE_F_DORMANT: this table is not active
 */
enum nft_table_flags {
	NFT_TABLE_F_DORMANT	= 0x1,
};
#define NFT_TABLE_F_MASK       (NFT_TABLE_F_DORMANT)

/**
 * enum nft_table_attributes - nf_tables table netlink attributes
 *
 * @NFTA_TABLE_NAME: name of the table (NLA_STRING)
 * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32)
 * @NFTA_TABLE_USE: number of chains in this table (NLA_U32)
 */
enum nft_table_attributes {
	NFTA_TABLE_UNSPEC,
	NFTA_TABLE_NAME,
	NFTA_TABLE_FLAGS,
	NFTA_TABLE_USE,
	NFTA_TABLE_HANDLE,
	NFTA_TABLE_PAD,
	__NFTA_TABLE_MAX
};
#define NFTA_TABLE_MAX		(__NFTA_TABLE_MAX - 1)

/**
 * enum nft_chain_attributes - nf_tables chain netlink attributes
 *
 * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING)
 * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64)
 * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING)
 * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes)
 * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32)
 * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32)
 * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING)
 * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes)
 * @NFTA_CHAIN_FLAGS: chain flags
 */
enum nft_chain_attributes {
	NFTA_CHAIN_UNSPEC,
	NFTA_CHAIN_TABLE,
	NFTA_CHAIN_HANDLE,
	NFTA_CHAIN_NAME,
	NFTA_CHAIN_HOOK,
	NFTA_CHAIN_POLICY,
	NFTA_CHAIN_USE,
	NFTA_CHAIN_TYPE,
	NFTA_CHAIN_COUNTERS,
	NFTA_CHAIN_PAD,
	NFTA_CHAIN_FLAGS,
	__NFTA_CHAIN_MAX
};
#define NFTA_CHAIN_MAX		(__NFTA_CHAIN_MAX - 1)

/**
 * enum nft_rule_attributes - nf_tables rule netlink attributes
 *
 * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING)
 * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING)
 * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64)
 * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes)
 * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes)
 * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64)
 * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN)
 * @NFTA_RULE_ID: uniquely identifies a rule in a transaction (NLA_U32)
 * @NFTA_RULE_POSITION_ID: transaction unique identifier of the previous rule (NLA_U32)
 */
enum nft_rule_attributes {
	NFTA_RULE_UNSPEC,
	NFTA_RULE_TABLE,
	NFTA_RULE_CHAIN,
	NFTA_RULE_HANDLE,
	NFTA_RULE_EXPRESSIONS,
	NFTA_RULE_COMPAT,
	NFTA_RULE_POSITION,
	NFTA_RULE_USERDATA,
	NFTA_RULE_PAD,
	NFTA_RULE_ID,
	NFTA_RULE_POSITION_ID,
	__NFTA_RULE_MAX
};
#define NFTA_RULE_MAX		(__NFTA_RULE_MAX - 1)

/**
 * enum nft_rule_compat_flags - nf_tables rule compat flags
 *
 * @NFT_RULE_COMPAT_F_INV: invert the check result
 */
enum nft_rule_compat_flags {
	NFT_RULE_COMPAT_F_INV	= (1 << 1),
	NFT_RULE_COMPAT_F_MASK	= NFT_RULE_COMPAT_F_INV,
};

/**
 * enum nft_rule_compat_attributes - nf_tables rule compat attributes
 *
 * @NFTA_RULE_COMPAT_PROTO: numeric value of handled protocol (NLA_U32)
 * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32)
 */
enum nft_rule_compat_attributes {
	NFTA_RULE_COMPAT_UNSPEC,
	NFTA_RULE_COMPAT_PROTO,
	NFTA_RULE_COMPAT_FLAGS,
	__NFTA_RULE_COMPAT_MAX
};
#define NFTA_RULE_COMPAT_MAX	(__NFTA_RULE_COMPAT_MAX - 1)

/**
 * enum nft_set_flags - nf_tables set flags
 *
 * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink
 * @NFT_SET_CONSTANT: set contents may not change while bound
 * @NFT_SET_INTERVAL: set contains intervals
 * @NFT_SET_MAP: set is used as a dictionary
 * @NFT_SET_TIMEOUT: set uses timeouts
 * @NFT_SET_EVAL: set can be updated from the evaluation path
 * @NFT_SET_OBJECT: set contains stateful objects
 * @NFT_SET_CONCAT: set contains a concatenation
 * @NFT_SET_EXPR: set contains expressions
 */
enum nft_set_flags {
	NFT_SET_ANONYMOUS		= 0x1,
	NFT_SET_CONSTANT		= 0x2,
	NFT_SET_INTERVAL		= 0x4,
	NFT_SET_MAP			= 0x8,
	NFT_SET_TIMEOUT			= 0x10,
	NFT_SET_EVAL			= 0x20,
	NFT_SET_OBJECT			= 0x40,
	NFT_SET_CONCAT			= 0x80,
	NFT_SET_EXPR			= 0x100,
};

/**
 * enum nft_set_policies - set selection policy
 *
 * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use
 * @NFT_SET_POL_MEMORY: prefer low memory use over high performance
 */
enum nft_set_policies {
	NFT_SET_POL_PERFORMANCE,
	NFT_SET_POL_MEMORY,
};

/**
 * enum nft_set_desc_attributes - set element description
 *
 * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32)
 * @NFTA_SET_DESC_CONCAT: description of field concatenation (NLA_NESTED)
 */
enum nft_set_desc_attributes {
	NFTA_SET_DESC_UNSPEC,
	NFTA_SET_DESC_SIZE,
	NFTA_SET_DESC_CONCAT,
	__NFTA_SET_DESC_MAX
};
#define NFTA_SET_DESC_MAX	(__NFTA_SET_DESC_MAX - 1)

/**
 * enum nft_set_field_attributes - attributes of concatenated fields
 *
 * @NFTA_SET_FIELD_LEN: length of single field, in bits (NLA_U32)
 */
enum nft_set_field_attributes {
	NFTA_SET_FIELD_UNSPEC,
	NFTA_SET_FIELD_LEN,
	__NFTA_SET_FIELD_MAX
};
#define NFTA_SET_FIELD_MAX	(__NFTA_SET_FIELD_MAX - 1)

/**
 * enum nft_set_attributes - nf_tables set netlink attributes
 *
 * @NFTA_SET_TABLE: table name (NLA_STRING)
 * @NFTA_SET_NAME: set name (NLA_STRING)
 * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32)
 * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32)
 * @NFTA_SET_KEY_LEN: key data length (NLA_U32)
 * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32)
 * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32)
 * @NFTA_SET_POLICY: selection policy (NLA_U32)
 * @NFTA_SET_DESC: set description (NLA_NESTED)
 * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
 * @NFTA_SET_TIMEOUT: default timeout value (NLA_U64)
 * @NFTA_SET_GC_INTERVAL: garbage collection interval (NLA_U32)
 * @NFTA_SET_USERDATA: user data (NLA_BINARY)
 * @NFTA_SET_OBJ_TYPE: stateful object type (NLA_U32: NFT_OBJECT_*)
 * @NFTA_SET_HANDLE: set handle (NLA_U64)
 * @NFTA_SET_EXPR: set expression (NLA_NESTED: nft_expr_attributes)
 * @NFTA_SET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
 */
enum nft_set_attributes {
	NFTA_SET_UNSPEC,
	NFTA_SET_TABLE,
	NFTA_SET_NAME,
	NFTA_SET_FLAGS,
	NFTA_SET_KEY_TYPE,
	NFTA_SET_KEY_LEN,
	NFTA_SET_DATA_TYPE,
	NFTA_SET_DATA_LEN,
	NFTA_SET_POLICY,
	NFTA_SET_DESC,
	NFTA_SET_ID,
	NFTA_SET_TIMEOUT,
	NFTA_SET_GC_INTERVAL,
	NFTA_SET_USERDATA,
	NFTA_SET_PAD,
	NFTA_SET_OBJ_TYPE,
	NFTA_SET_HANDLE,
	NFTA_SET_EXPR,
	NFTA_SET_EXPRESSIONS,
	__NFTA_SET_MAX
};
#define NFTA_SET_MAX		(__NFTA_SET_MAX - 1)

/**
 * enum nft_set_elem_flags - nf_tables set element flags
 *
 * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval
 */
enum nft_set_elem_flags {
	NFT_SET_ELEM_INTERVAL_END	= 0x1,
};

/**
 * enum nft_set_elem_attributes - nf_tables set element netlink attributes
 *
 * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data)
 * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes)
 * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32)
 * @NFTA_SET_ELEM_TIMEOUT: timeout value (NLA_U64)
 * @NFTA_SET_ELEM_EXPIRATION: expiration time (NLA_U64)
 * @NFTA_SET_ELEM_USERDATA: user data (NLA_BINARY)
 * @NFTA_SET_ELEM_EXPR: expression (NLA_NESTED: nft_expr_attributes)
 * @NFTA_SET_ELEM_OBJREF: stateful object reference (NLA_STRING)
 * @NFTA_SET_ELEM_KEY_END: closing key value (NLA_NESTED: nft_data)
 * @NFTA_SET_ELEM_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
 */
enum nft_set_elem_attributes {
	NFTA_SET_ELEM_UNSPEC,
	NFTA_SET_ELEM_KEY,
	NFTA_SET_ELEM_DATA,
	NFTA_SET_ELEM_FLAGS,
	NFTA_SET_ELEM_TIMEOUT,
	NFTA_SET_ELEM_EXPIRATION,
	NFTA_SET_ELEM_USERDATA,
	NFTA_SET_ELEM_EXPR,
	NFTA_SET_ELEM_PAD,
	NFTA_SET_ELEM_OBJREF,
	NFTA_SET_ELEM_KEY_END,
	NFTA_SET_ELEM_EXPRESSIONS,
	__NFTA_SET_ELEM_MAX
};
#define NFTA_SET_ELEM_MAX	(__NFTA_SET_ELEM_MAX - 1)

/**
 * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes
 *
 * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING)
 * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING)
 * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes)
 * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
 */
enum nft_set_elem_list_attributes {
	NFTA_SET_ELEM_LIST_UNSPEC,
	NFTA_SET_ELEM_LIST_TABLE,
	NFTA_SET_ELEM_LIST_SET,
	NFTA_SET_ELEM_LIST_ELEMENTS,
	NFTA_SET_ELEM_LIST_SET_ID,
	__NFTA_SET_ELEM_LIST_MAX
};
#define NFTA_SET_ELEM_LIST_MAX	(__NFTA_SET_ELEM_LIST_MAX - 1)

/**
 * enum nft_data_types - nf_tables data types
 *
 * @NFT_DATA_VALUE: generic data
 * @NFT_DATA_VERDICT: netfilter verdict
 *
 * The type of data is usually determined by the kernel directly and is not
 * explicitly specified by userspace. The only difference are sets, where
 * userspace specifies the key and mapping data types.
 *
 * The values 0xffffff00-0xffffffff are reserved for internally used types.
 * The remaining range can be freely used by userspace to encode types, all
 * values are equivalent to NFT_DATA_VALUE.
 */
enum nft_data_types {
	NFT_DATA_VALUE,
	NFT_DATA_VERDICT	= 0xffffff00U,
};

#define NFT_DATA_RESERVED_MASK	0xffffff00U

/**
 * enum nft_data_attributes - nf_tables data netlink attributes
 *
 * @NFTA_DATA_VALUE: generic data (NLA_BINARY)
 * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes)
 */
enum nft_data_attributes {
	NFTA_DATA_UNSPEC,
	NFTA_DATA_VALUE,
	NFTA_DATA_VERDICT,
	__NFTA_DATA_MAX
};
#define NFTA_DATA_MAX		(__NFTA_DATA_MAX - 1)

/* Maximum length of a value */
#define NFT_DATA_VALUE_MAXLEN	64

/**
 * enum nft_verdict_attributes - nf_tables verdict netlink attributes
 *
 * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts)
 * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING)
 */
enum nft_verdict_attributes {
	NFTA_VERDICT_UNSPEC,
	NFTA_VERDICT_CODE,
	NFTA_VERDICT_CHAIN,
	__NFTA_VERDICT_MAX
};
#define NFTA_VERDICT_MAX	(__NFTA_VERDICT_MAX - 1)

/**
 * enum nft_expr_attributes - nf_tables expression netlink attributes
 *
 * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING)
 * @NFTA_EXPR_DATA: type specific data (NLA_NESTED)
 */
enum nft_expr_attributes {
	NFTA_EXPR_UNSPEC,
	NFTA_EXPR_NAME,
	NFTA_EXPR_DATA,
	__NFTA_EXPR_MAX
};
#define NFTA_EXPR_MAX		(__NFTA_EXPR_MAX - 1)

/**
 * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes
 *
 * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32)
 * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes)
 */
enum nft_immediate_attributes {
	NFTA_IMMEDIATE_UNSPEC,
	NFTA_IMMEDIATE_DREG,
	NFTA_IMMEDIATE_DATA,
	__NFTA_IMMEDIATE_MAX
};
#define NFTA_IMMEDIATE_MAX	(__NFTA_IMMEDIATE_MAX - 1)

/**
 * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes
 *
 * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers)
 * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers)
 * @NFTA_BITWISE_LEN: length of operands (NLA_U32)
 * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes)
 * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes)
 *
 * The bitwise expression performs the following operation:
 *
 * dreg = (sreg & mask) ^ xor
 *
 * which allow to express all bitwise operations:
 *
 * 		mask	xor
 * NOT:		1	1
 * OR:		0	x
 * XOR:		1	x
 * AND:		x	0
 */
enum nft_bitwise_attributes {
	NFTA_BITWISE_UNSPEC,
	NFTA_BITWISE_SREG,
	NFTA_BITWISE_DREG,
	NFTA_BITWISE_LEN,
	NFTA_BITWISE_MASK,
	NFTA_BITWISE_XOR,
	__NFTA_BITWISE_MAX
};
#define NFTA_BITWISE_MAX	(__NFTA_BITWISE_MAX - 1)

/**
 * enum nft_byteorder_ops - nf_tables byteorder operators
 *
 * @NFT_BYTEORDER_NTOH: network to host operator
 * @NFT_BYTEORDER_HTON: host to network operator
 */
enum nft_byteorder_ops {
	NFT_BYTEORDER_NTOH,
	NFT_BYTEORDER_HTON,
};

/**
 * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes
 *
 * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers)
 * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers)
 * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops)
 * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32)
 * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4)
 */
enum nft_byteorder_attributes {
	NFTA_BYTEORDER_UNSPEC,
	NFTA_BYTEORDER_SREG,
	NFTA_BYTEORDER_DREG,
	NFTA_BYTEORDER_OP,
	NFTA_BYTEORDER_LEN,
	NFTA_BYTEORDER_SIZE,
	__NFTA_BYTEORDER_MAX
};
#define NFTA_BYTEORDER_MAX	(__NFTA_BYTEORDER_MAX - 1)

/**
 * enum nft_cmp_ops - nf_tables relational operator
 *
 * @NFT_CMP_EQ: equal
 * @NFT_CMP_NEQ: not equal
 * @NFT_CMP_LT: less than
 * @NFT_CMP_LTE: less than or equal to
 * @NFT_CMP_GT: greater than
 * @NFT_CMP_GTE: greater than or equal to
 */
enum nft_cmp_ops {
	NFT_CMP_EQ,
	NFT_CMP_NEQ,
	NFT_CMP_LT,
	NFT_CMP_LTE,
	NFT_CMP_GT,
	NFT_CMP_GTE,
};

/**
 * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes
 *
 * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers)
 * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops)
 * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes)
 */
enum nft_cmp_attributes {
	NFTA_CMP_UNSPEC,
	NFTA_CMP_SREG,
	NFTA_CMP_OP,
	NFTA_CMP_DATA,
	__NFTA_CMP_MAX
};
#define NFTA_CMP_MAX		(__NFTA_CMP_MAX - 1)

/**
 * enum nft_range_ops - nf_tables range operator
 *
 * @NFT_RANGE_EQ: equal
 * @NFT_RANGE_NEQ: not equal
 */
enum nft_range_ops {
	NFT_RANGE_EQ,
	NFT_RANGE_NEQ,
};

/**
 * enum nft_range_attributes - nf_tables range expression netlink attributes
 *
 * @NFTA_RANGE_SREG: source register of data to compare (NLA_U32: nft_registers)
 * @NFTA_RANGE_OP: cmp operation (NLA_U32: nft_cmp_ops)
 * @NFTA_RANGE_FROM_DATA: data range from (NLA_NESTED: nft_data_attributes)
 * @NFTA_RANGE_TO_DATA: data range to (NLA_NESTED: nft_data_attributes)
 */
enum nft_range_attributes {
	NFTA_RANGE_UNSPEC,
	NFTA_RANGE_SREG,
	NFTA_RANGE_OP,
	NFTA_RANGE_FROM_DATA,
	NFTA_RANGE_TO_DATA,
	__NFTA_RANGE_MAX
};
#define NFTA_RANGE_MAX		(__NFTA_RANGE_MAX - 1)

enum nft_lookup_flags {
	NFT_LOOKUP_F_INV = (1 << 0),
};

/**
 * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes
 *
 * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING)
 * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers)
 * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers)
 * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32)
 * @NFTA_LOOKUP_FLAGS: flags (NLA_U32: enum nft_lookup_flags)
 */
enum nft_lookup_attributes {
	NFTA_LOOKUP_UNSPEC,
	NFTA_LOOKUP_SET,
	NFTA_LOOKUP_SREG,
	NFTA_LOOKUP_DREG,
	NFTA_LOOKUP_SET_ID,
	NFTA_LOOKUP_FLAGS,
	__NFTA_LOOKUP_MAX
};
#define NFTA_LOOKUP_MAX		(__NFTA_LOOKUP_MAX - 1)

enum nft_dynset_ops {
	NFT_DYNSET_OP_ADD,
	NFT_DYNSET_OP_UPDATE,
};

enum nft_dynset_flags {
	NFT_DYNSET_F_INV	= (1 << 0),
	NFT_DYNSET_F_EXPR	= (1 << 1),
};

/**
 * enum nft_dynset_attributes - dynset expression attributes
 *
 * @NFTA_DYNSET_SET_NAME: name of set the to add data to (NLA_STRING)
 * @NFTA_DYNSET_SET_ID: uniquely identifier of the set in the transaction (NLA_U32)
 * @NFTA_DYNSET_OP: operation (NLA_U32)
 * @NFTA_DYNSET_SREG_KEY: source register of the key (NLA_U32)
 * @NFTA_DYNSET_SREG_DATA: source register of the data (NLA_U32)
 * @NFTA_DYNSET_TIMEOUT: timeout value for the new element (NLA_U64)
 * @NFTA_DYNSET_EXPR: expression (NLA_NESTED: nft_expr_attributes)
 * @NFTA_DYNSET_FLAGS: flags (NLA_U32)
 * @NFTA_DYNSET_EXPRESSIONS: list of expressions (NLA_NESTED: nft_list_attributes)
 */
enum nft_dynset_attributes {
	NFTA_DYNSET_UNSPEC,
	NFTA_DYNSET_SET_NAME,
	NFTA_DYNSET_SET_ID,
	NFTA_DYNSET_OP,
	NFTA_DYNSET_SREG_KEY,
	NFTA_DYNSET_SREG_DATA,
	NFTA_DYNSET_TIMEOUT,
	NFTA_DYNSET_EXPR,
	NFTA_DYNSET_PAD,
	NFTA_DYNSET_FLAGS,
	NFTA_DYNSET_EXPRESSIONS,
	__NFTA_DYNSET_MAX,
};
#define NFTA_DYNSET_MAX		(__NFTA_DYNSET_MAX - 1)

/**
 * enum nft_payload_bases - nf_tables payload expression offset bases
 *
 * @NFT_PAYLOAD_LL_HEADER: link layer header
 * @NFT_PAYLOAD_NETWORK_HEADER: network header
 * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header
 */
enum nft_payload_bases {
	NFT_PAYLOAD_LL_HEADER,
	NFT_PAYLOAD_NETWORK_HEADER,
	NFT_PAYLOAD_TRANSPORT_HEADER,
};

/**
 * enum nft_payload_csum_types - nf_tables payload expression checksum types
 *
 * @NFT_PAYLOAD_CSUM_NONE: no checksumming
 * @NFT_PAYLOAD_CSUM_INET: internet checksum (RFC 791)
 * @NFT_PAYLOAD_CSUM_SCTP: CRC-32c, for use in SCTP header (RFC 3309)
 */
enum nft_payload_csum_types {
	NFT_PAYLOAD_CSUM_NONE,
	NFT_PAYLOAD_CSUM_INET,
	NFT_PAYLOAD_CSUM_SCTP,
};

enum nft_payload_csum_flags {
	NFT_PAYLOAD_L4CSUM_PSEUDOHDR = (1 << 0),
};

/**
 * enum nft_payload_attributes - nf_tables payload expression netlink attributes
 *
 * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers)
 * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases)
 * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32)
 * @NFTA_PAYLOAD_LEN: payload length (NLA_U32)
 * @NFTA_PAYLOAD_SREG: source register to load data from (NLA_U32: nft_registers)
 * @NFTA_PAYLOAD_CSUM_TYPE: checksum type (NLA_U32)
 * @NFTA_PAYLOAD_CSUM_OFFSET: checksum offset relative to base (NLA_U32)
 * @NFTA_PAYLOAD_CSUM_FLAGS: checksum flags (NLA_U32)
 */
enum nft_payload_attributes {
	NFTA_PAYLOAD_UNSPEC,
	NFTA_PAYLOAD_DREG,
	NFTA_PAYLOAD_BASE,
	NFTA_PAYLOAD_OFFSET,
	NFTA_PAYLOAD_LEN,
	NFTA_PAYLOAD_SREG,
	NFTA_PAYLOAD_CSUM_TYPE,
	NFTA_PAYLOAD_CSUM_OFFSET,
	NFTA_PAYLOAD_CSUM_FLAGS,
	__NFTA_PAYLOAD_MAX
};
#define NFTA_PAYLOAD_MAX	(__NFTA_PAYLOAD_MAX - 1)

enum nft_exthdr_flags {
	NFT_EXTHDR_F_PRESENT = (1 << 0),
};

/**
 * enum nft_exthdr_op - nf_tables match options
 *
 * @NFT_EXTHDR_OP_IPV6: match against ipv6 extension headers
 * @NFT_EXTHDR_OP_TCP: match against tcp options
 * @NFT_EXTHDR_OP_IPV4: match against ipv4 options
 * @NFT_EXTHDR_OP_SCTP: match against sctp chunks
 */
enum nft_exthdr_op {
	NFT_EXTHDR_OP_IPV6,
	NFT_EXTHDR_OP_TCPOPT,
	NFT_EXTHDR_OP_IPV4,
	NFT_EXTHDR_OP_SCTP,
	__NFT_EXTHDR_OP_MAX
};
#define NFT_EXTHDR_OP_MAX	(__NFT_EXTHDR_OP_MAX - 1)

/**
 * enum nft_exthdr_attributes - nf_tables extension header expression netlink attributes
 *
 * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers)
 * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8)
 * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32)
 * @NFTA_EXTHDR_LEN: extension header length (NLA_U32)
 * @NFTA_EXTHDR_FLAGS: extension header flags (NLA_U32)
 * @NFTA_EXTHDR_OP: option match type (NLA_U32)
 * @NFTA_EXTHDR_SREG: option match type (NLA_U32)
 */
enum nft_exthdr_attributes {
	NFTA_EXTHDR_UNSPEC,
	NFTA_EXTHDR_DREG,
	NFTA_EXTHDR_TYPE,
	NFTA_EXTHDR_OFFSET,
	NFTA_EXTHDR_LEN,
	NFTA_EXTHDR_FLAGS,
	NFTA_EXTHDR_OP,
	NFTA_EXTHDR_SREG,
	__NFTA_EXTHDR_MAX
};
#define NFTA_EXTHDR_MAX		(__NFTA_EXTHDR_MAX - 1)

/**
 * enum nft_meta_keys - nf_tables meta expression keys
 *
 * @NFT_META_LEN: packet length (skb->len)
 * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT
 * @NFT_META_PRIORITY: packet priority (skb->priority)
 * @NFT_META_MARK: packet mark (skb->mark)
 * @NFT_META_IIF: packet input interface index (dev->ifindex)
 * @NFT_META_OIF: packet output interface index (dev->ifindex)
 * @NFT_META_IIFNAME: packet input interface name (dev->name)
 * @NFT_META_OIFNAME: packet output interface name (dev->name)
 * @NFT_META_IIFTYPE: packet input interface type (dev->type)
 * @NFT_META_OIFTYPE: packet output interface type (dev->type)
 * @NFT_META_SKUID: originating socket UID (fsuid)
 * @NFT_META_SKGID: originating socket GID (fsgid)
 * @NFT_META_NFTRACE: packet nftrace bit
 * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid)
 * @NFT_META_SECMARK: packet secmark (skb->secmark)
 * @NFT_META_NFPROTO: netfilter protocol
 * @NFT_META_L4PROTO: layer 4 protocol number
 * @NFT_META_BRI_IIFNAME: packet input bridge interface name
 * @NFT_META_BRI_OIFNAME: packet output bridge interface name
 * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback
 * @NFT_META_CPU: cpu id through smp_processor_id()
 * @NFT_META_IIFGROUP: packet input interface group
 * @NFT_META_OIFGROUP: packet output interface group
 * @NFT_META_CGROUP: socket control group (skb->sk->sk_classid)
 * @NFT_META_PRANDOM: a 32bit pseudo-random number
 * @NFT_META_SECPATH: boolean, secpath_exists (!!skb->sp)
 * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind)
 * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind)
 */
enum nft_meta_keys {
	NFT_META_LEN,
	NFT_META_PROTOCOL,
	NFT_META_PRIORITY,
	NFT_META_MARK,
	NFT_META_IIF,
	NFT_META_OIF,
	NFT_META_IIFNAME,
	NFT_META_OIFNAME,
	NFT_META_IIFTYPE,
	NFT_META_OIFTYPE,
	NFT_META_SKUID,
	NFT_META_SKGID,
	NFT_META_NFTRACE,
	NFT_META_RTCLASSID,
	NFT_META_SECMARK,
	NFT_META_NFPROTO,
	NFT_META_L4PROTO,
	NFT_META_BRI_IIFNAME,
	NFT_META_BRI_OIFNAME,
	NFT_META_PKTTYPE,
	NFT_META_CPU,
	NFT_META_IIFGROUP,
	NFT_META_OIFGROUP,
	NFT_META_CGROUP,
	NFT_META_PRANDOM,
	NFT_META_SECPATH,
	NFT_META_IIFKIND,
	NFT_META_OIFKIND,
};

/**
 * enum nft_rt_keys - nf_tables routing expression keys
 *
 * @NFT_RT_CLASSID: realm value of packet's route (skb->dst->tclassid)
 * @NFT_RT_NEXTHOP4: routing nexthop for IPv4
 * @NFT_RT_NEXTHOP6: routing nexthop for IPv6
 * @NFT_RT_TCPMSS: fetch current path tcp mss
 * @NFT_RT_XFRM: boolean, skb->dst->xfrm != NULL
 */
enum nft_rt_keys {
	NFT_RT_CLASSID,
	NFT_RT_NEXTHOP4,
	NFT_RT_NEXTHOP6,
	NFT_RT_TCPMSS,
	NFT_RT_XFRM,
	__NFT_RT_MAX
};
#define NFT_RT_MAX		(__NFT_RT_MAX - 1)

/**
 * enum nft_hash_types - nf_tables hash expression types
 *
 * @NFT_HASH_JENKINS: Jenkins Hash
 * @NFT_HASH_SYM: Symmetric Hash
 */
enum nft_hash_types {
	NFT_HASH_JENKINS,
	NFT_HASH_SYM,
};

/**
 * enum nft_hash_attributes - nf_tables hash expression netlink attributes
 *
 * @NFTA_HASH_SREG: source register (NLA_U32)
 * @NFTA_HASH_DREG: destination register (NLA_U32)
 * @NFTA_HASH_LEN: source data length (NLA_U32)
 * @NFTA_HASH_MODULUS: modulus value (NLA_U32)
 * @NFTA_HASH_SEED: seed value (NLA_U32)
 * @NFTA_HASH_OFFSET: add this offset value to hash result (NLA_U32)
 * @NFTA_HASH_TYPE: hash operation (NLA_U32: nft_hash_types)
 * @NFTA_HASH_SET_NAME: name of the map to lookup (NLA_STRING)
 * @NFTA_HASH_SET_ID: id of the map (NLA_U32)
 */
enum nft_hash_attributes {
	NFTA_HASH_UNSPEC,
	NFTA_HASH_SREG,
	NFTA_HASH_DREG,
	NFTA_HASH_LEN,
	NFTA_HASH_MODULUS,
	NFTA_HASH_SEED,
	NFTA_HASH_OFFSET,
	NFTA_HASH_TYPE,
	NFTA_HASH_SET_NAME,	/* deprecated */
	NFTA_HASH_SET_ID,	/* deprecated */
	__NFTA_HASH_MAX,
};
#define NFTA_HASH_MAX	(__NFTA_HASH_MAX - 1)

/**
 * enum nft_meta_attributes - nf_tables meta expression netlink attributes
 *
 * @NFTA_META_DREG: destination register (NLA_U32)
 * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys)
 * @NFTA_META_SREG: source register (NLA_U32)
 */
enum nft_meta_attributes {
	NFTA_META_UNSPEC,
	NFTA_META_DREG,
	NFTA_META_KEY,
	NFTA_META_SREG,
	__NFTA_META_MAX
};
#define NFTA_META_MAX		(__NFTA_META_MAX - 1)

/**
 * enum nft_rt_attributes - nf_tables routing expression netlink attributes
 *
 * @NFTA_RT_DREG: destination register (NLA_U32)
 * @NFTA_RT_KEY: routing data item to load (NLA_U32: nft_rt_keys)
 */
enum nft_rt_attributes {
	NFTA_RT_UNSPEC,
	NFTA_RT_DREG,
	NFTA_RT_KEY,
	__NFTA_RT_MAX
};
#define NFTA_RT_MAX		(__NFTA_RT_MAX - 1)

/**
 * enum nft_socket_attributes - nf_tables socket expression netlink attributes
 *
 * @NFTA_SOCKET_KEY: socket key to match
 * @NFTA_SOCKET_DREG: destination register
 */
enum nft_socket_attributes {
	NFTA_SOCKET_UNSPEC,
	NFTA_SOCKET_KEY,
	NFTA_SOCKET_DREG,
	__NFTA_SOCKET_MAX
};
#define NFTA_SOCKET_MAX		(__NFTA_SOCKET_MAX - 1)

/*
 * enum nft_socket_keys - nf_tables socket expression keys
 *
 * @NFT_SOCKET_TRANSPARENT: Value of the IP(V6)_TRANSPARENT socket option_
 */
enum nft_socket_keys {
	NFT_SOCKET_TRANSPARENT,
	__NFT_SOCKET_MAX
};
#define NFT_SOCKET_MAX	(__NFT_SOCKET_MAX - 1)

/**
 * enum nft_ct_keys - nf_tables ct expression keys
 *
 * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info)
 * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir)
 * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status)
 * @NFT_CT_MARK: conntrack mark value
 * @NFT_CT_SECMARK: conntrack secmark value
 * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms
 * @NFT_CT_HELPER: connection tracking helper assigned to conntrack
 * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol
 * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address, deprecated)
 * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address, deprecated)
 * @NFT_CT_PROTOCOL: conntrack layer 4 protocol
 * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source
 * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination
 * @NFT_CT_LABELS: conntrack labels
 * @NFT_CT_PKTS: conntrack packets
 * @NFT_CT_BYTES: conntrack bytes
 * @NFT_CT_AVGPKT: conntrack average bytes per packet
 * @NFT_CT_ZONE: conntrack zone
 * @NFT_CT_EVENTMASK: ctnetlink events to be generated for this conntrack
 * @NFT_CT_SRC_IP: conntrack layer 3 protocol source (IPv4 address)
 * @NFT_CT_DST_IP: conntrack layer 3 protocol destination (IPv4 address)
 * @NFT_CT_SRC_IP6: conntrack layer 3 protocol source (IPv6 address)
 * @NFT_CT_DST_IP6: conntrack layer 3 protocol destination (IPv6 address)
 */
enum nft_ct_keys {
	NFT_CT_STATE,
	NFT_CT_DIRECTION,
	NFT_CT_STATUS,
	NFT_CT_MARK,
	NFT_CT_SECMARK,
	NFT_CT_EXPIRATION,
	NFT_CT_HELPER,
	NFT_CT_L3PROTOCOL,
	NFT_CT_SRC,
	NFT_CT_DST,
	NFT_CT_PROTOCOL,
	NFT_CT_PROTO_SRC,
	NFT_CT_PROTO_DST,
	NFT_CT_LABELS,
	NFT_CT_PKTS,
	NFT_CT_BYTES,
	NFT_CT_AVGPKT,
	NFT_CT_ZONE,
	NFT_CT_EVENTMASK,
	NFT_CT_SRC_IP,
	NFT_CT_DST_IP,
	NFT_CT_SRC_IP6,
	NFT_CT_DST_IP6,
	__NFT_CT_MAX
};
#define NFT_CT_MAX		(__NFT_CT_MAX - 1)

/**
 * enum nft_ct_attributes - nf_tables ct expression netlink attributes
 *
 * @NFTA_CT_DREG: destination register (NLA_U32)
 * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys)
 * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8)
 * @NFTA_CT_SREG: source register (NLA_U32)
 */
enum nft_ct_attributes {
	NFTA_CT_UNSPEC,
	NFTA_CT_DREG,
	NFTA_CT_KEY,
	NFTA_CT_DIRECTION,
	NFTA_CT_SREG,
	__NFTA_CT_MAX
};
#define NFTA_CT_MAX		(__NFTA_CT_MAX - 1)

/**
 * enum nft_flow_attributes - ct offload expression attributes
 * @NFTA_FLOW_TABLE_NAME: flow table name (NLA_STRING)
 */
enum nft_offload_attributes {
	NFTA_FLOW_UNSPEC,
	NFTA_FLOW_TABLE_NAME,
	__NFTA_FLOW_MAX,
};
#define NFTA_FLOW_MAX		(__NFTA_FLOW_MAX - 1)

enum nft_limit_type {
	NFT_LIMIT_PKTS,
	NFT_LIMIT_PKT_BYTES
};

enum nft_limit_flags {
	NFT_LIMIT_F_INV	= (1 << 0),
};

/**
 * enum nft_limit_attributes - nf_tables limit expression netlink attributes
 *
 * @NFTA_LIMIT_RATE: refill rate (NLA_U64)
 * @NFTA_LIMIT_UNIT: refill unit (NLA_U64)
 * @NFTA_LIMIT_BURST: burst (NLA_U32)
 * @NFTA_LIMIT_TYPE: type of limit (NLA_U32: enum nft_limit_type)
 * @NFTA_LIMIT_FLAGS: flags (NLA_U32: enum nft_limit_flags)
 */
enum nft_limit_attributes {
	NFTA_LIMIT_UNSPEC,
	NFTA_LIMIT_RATE,
	NFTA_LIMIT_UNIT,
	NFTA_LIMIT_BURST,
	NFTA_LIMIT_TYPE,
	NFTA_LIMIT_FLAGS,
	NFTA_LIMIT_PAD,
	__NFTA_LIMIT_MAX
};
#define NFTA_LIMIT_MAX		(__NFTA_LIMIT_MAX - 1)

enum nft_connlimit_flags {
	NFT_CONNLIMIT_F_INV	= (1 << 0),
};

/**
 * enum nft_connlimit_attributes - nf_tables connlimit expression netlink attributes
 *
 * @NFTA_CONNLIMIT_COUNT: number of connections (NLA_U32)
 * @NFTA_CONNLIMIT_FLAGS: flags (NLA_U32: enum nft_connlimit_flags)
 */
enum nft_connlimit_attributes {
	NFTA_CONNLIMIT_UNSPEC,
	NFTA_CONNLIMIT_COUNT,
	NFTA_CONNLIMIT_FLAGS,
	__NFTA_CONNLIMIT_MAX
};
#define NFTA_CONNLIMIT_MAX	(__NFTA_CONNLIMIT_MAX - 1)

/**
 * enum nft_counter_attributes - nf_tables counter expression netlink attributes
 *
 * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64)
 * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64)
 */
enum nft_counter_attributes {
	NFTA_COUNTER_UNSPEC,
	NFTA_COUNTER_BYTES,
	NFTA_COUNTER_PACKETS,
	NFTA_COUNTER_PAD,
	__NFTA_COUNTER_MAX
};
#define NFTA_COUNTER_MAX	(__NFTA_COUNTER_MAX - 1)

/**
 * enum nft_log_attributes - nf_tables log expression netlink attributes
 *
 * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32)
 * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING)
 * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32)
 * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32)
 * @NFTA_LOG_LEVEL: log level (NLA_U32)
 * @NFTA_LOG_FLAGS: logging flags (NLA_U32)
 */
enum nft_log_attributes {
	NFTA_LOG_UNSPEC,
	NFTA_LOG_GROUP,
	NFTA_LOG_PREFIX,
	NFTA_LOG_SNAPLEN,
	NFTA_LOG_QTHRESHOLD,
	NFTA_LOG_LEVEL,
	NFTA_LOG_FLAGS,
	__NFTA_LOG_MAX
};
#define NFTA_LOG_MAX		(__NFTA_LOG_MAX - 1)

/**
 * enum nft_log_level - nf_tables log levels
 *
 * @NFT_LOGLEVEL_EMERG: system is unusable
 * @NFT_LOGLEVEL_ALERT: action must be taken immediately
 * @NFT_LOGLEVEL_CRIT: critical conditions
 * @NFT_LOGLEVEL_ERR: error conditions
 * @NFT_LOGLEVEL_WARNING: warning conditions
 * @NFT_LOGLEVEL_NOTICE: normal but significant condition
 * @NFT_LOGLEVEL_INFO: informational
 * @NFT_LOGLEVEL_DEBUG: debug-level messages
 * @NFT_LOGLEVEL_AUDIT: enabling audit logging
 */
enum nft_log_level {
	NFT_LOGLEVEL_EMERG,
	NFT_LOGLEVEL_ALERT,
	NFT_LOGLEVEL_CRIT,
	NFT_LOGLEVEL_ERR,
	NFT_LOGLEVEL_WARNING,
	NFT_LOGLEVEL_NOTICE,
	NFT_LOGLEVEL_INFO,
	NFT_LOGLEVEL_DEBUG,
	NFT_LOGLEVEL_AUDIT,
	__NFT_LOGLEVEL_MAX
};
#define NFT_LOGLEVEL_MAX	(__NFT_LOGLEVEL_MAX - 1)

/**
 * enum nft_queue_attributes - nf_tables queue expression netlink attributes
 *
 * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16)
 * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16)
 * @NFTA_QUEUE_FLAGS: various flags (NLA_U16)
 * @NFTA_QUEUE_SREG_QNUM: source register of queue number (NLA_U32: nft_registers)
 */
enum nft_queue_attributes {
	NFTA_QUEUE_UNSPEC,
	NFTA_QUEUE_NUM,
	NFTA_QUEUE_TOTAL,
	NFTA_QUEUE_FLAGS,
	NFTA_QUEUE_SREG_QNUM,
	__NFTA_QUEUE_MAX
};
#define NFTA_QUEUE_MAX		(__NFTA_QUEUE_MAX - 1)

#define NFT_QUEUE_FLAG_BYPASS		0x01 /* for compatibility with v2 */
#define NFT_QUEUE_FLAG_CPU_FANOUT	0x02 /* use current CPU (no hashing) */
#define NFT_QUEUE_FLAG_MASK		0x03

enum nft_quota_flags {
	NFT_QUOTA_F_INV		= (1 << 0),
	NFT_QUOTA_F_DEPLETED	= (1 << 1),
};

/**
 * enum nft_quota_attributes - nf_tables quota expression netlink attributes
 *
 * @NFTA_QUOTA_BYTES: quota in bytes (NLA_U16)
 * @NFTA_QUOTA_FLAGS: flags (NLA_U32)
 * @NFTA_QUOTA_CONSUMED: quota already consumed in bytes (NLA_U64)
 */
enum nft_quota_attributes {
	NFTA_QUOTA_UNSPEC,
	NFTA_QUOTA_BYTES,
	NFTA_QUOTA_FLAGS,
	NFTA_QUOTA_PAD,
	NFTA_QUOTA_CONSUMED,
	__NFTA_QUOTA_MAX
};
#define NFTA_QUOTA_MAX		(__NFTA_QUOTA_MAX - 1)

/**
 * enum nft_secmark_attributes - nf_tables secmark object netlink attributes
 *
 * @NFTA_SECMARK_CTX: security context (NLA_STRING)
 */
enum nft_secmark_attributes {
	NFTA_SECMARK_UNSPEC,
	NFTA_SECMARK_CTX,
	__NFTA_SECMARK_MAX,
};
#define NFTA_SECMARK_MAX	(__NFTA_SECMARK_MAX - 1)

/* Max security context length */
#define NFT_SECMARK_CTX_MAXLEN		256

/**
 * enum nft_reject_types - nf_tables reject expression reject types
 *
 * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable
 * @NFT_REJECT_TCP_RST: reject using TCP RST
 * @NFT_REJECT_ICMPX_UNREACH: abstracted ICMP unreachable for bridge and inet
 */
enum nft_reject_types {
	NFT_REJECT_ICMP_UNREACH,
	NFT_REJECT_TCP_RST,
	NFT_REJECT_ICMPX_UNREACH,
};

/**
 * enum nft_reject_code - Generic reject codes for IPv4/IPv6
 *
 * @NFT_REJECT_ICMPX_NO_ROUTE: no route to host / network unreachable
 * @NFT_REJECT_ICMPX_PORT_UNREACH: port unreachable
 * @NFT_REJECT_ICMPX_HOST_UNREACH: host unreachable
 * @NFT_REJECT_ICMPX_ADMIN_PROHIBITED: administratively prohibited
 *
 * These codes are mapped to real ICMP and ICMPv6 codes.
 */
enum nft_reject_inet_code {
	NFT_REJECT_ICMPX_NO_ROUTE	= 0,
	NFT_REJECT_ICMPX_PORT_UNREACH,
	NFT_REJECT_ICMPX_HOST_UNREACH,
	NFT_REJECT_ICMPX_ADMIN_PROHIBITED,
	__NFT_REJECT_ICMPX_MAX
};
#define NFT_REJECT_ICMPX_MAX	(__NFT_REJECT_ICMPX_MAX - 1)

/**
 * enum nft_reject_attributes - nf_tables reject expression netlink attributes
 *
 * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types)
 * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8)
 */
enum nft_reject_attributes {
	NFTA_REJECT_UNSPEC,
	NFTA_REJECT_TYPE,
	NFTA_REJECT_ICMP_CODE,
	__NFTA_REJECT_MAX
};
#define NFTA_REJECT_MAX		(__NFTA_REJECT_MAX - 1)

/**
 * enum nft_nat_types - nf_tables nat expression NAT types
 *
 * @NFT_NAT_SNAT: source NAT
 * @NFT_NAT_DNAT: destination NAT
 */
enum nft_nat_types {
	NFT_NAT_SNAT,
	NFT_NAT_DNAT,
};

/**
 * enum nft_nat_attributes - nf_tables nat expression netlink attributes
 *
 * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types)
 * @NFTA_NAT_FAMILY: NAT family (NLA_U32)
 * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers)
 * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers)
 * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
 * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
 * @NFTA_NAT_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
 */
enum nft_nat_attributes {
	NFTA_NAT_UNSPEC,
	NFTA_NAT_TYPE,
	NFTA_NAT_FAMILY,
	NFTA_NAT_REG_ADDR_MIN,
	NFTA_NAT_REG_ADDR_MAX,
	NFTA_NAT_REG_PROTO_MIN,
	NFTA_NAT_REG_PROTO_MAX,
	NFTA_NAT_FLAGS,
	__NFTA_NAT_MAX
};
#define NFTA_NAT_MAX		(__NFTA_NAT_MAX - 1)

/**
 * enum nft_tproxy_attributes - nf_tables tproxy expression netlink attributes
 *
 * NFTA_TPROXY_FAMILY: Target address family (NLA_U32: nft_registers)
 * NFTA_TPROXY_REG_ADDR: Target address register (NLA_U32: nft_registers)
 * NFTA_TPROXY_REG_PORT: Target port register (NLA_U32: nft_registers)
 */
enum nft_tproxy_attributes {
	NFTA_TPROXY_UNSPEC,
	NFTA_TPROXY_FAMILY,
	NFTA_TPROXY_REG_ADDR,
	NFTA_TPROXY_REG_PORT,
	__NFTA_TPROXY_MAX
};
#define NFTA_TPROXY_MAX		(__NFTA_TPROXY_MAX - 1)

/**
 * enum nft_masq_attributes - nf_tables masquerade expression attributes
 *
 * @NFTA_MASQ_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
 * @NFTA_MASQ_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
 * @NFTA_MASQ_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
 */
enum nft_masq_attributes {
	NFTA_MASQ_UNSPEC,
	NFTA_MASQ_FLAGS,
	NFTA_MASQ_REG_PROTO_MIN,
	NFTA_MASQ_REG_PROTO_MAX,
	__NFTA_MASQ_MAX
};
#define NFTA_MASQ_MAX		(__NFTA_MASQ_MAX - 1)

/**
 * enum nft_redir_attributes - nf_tables redirect expression netlink attributes
 *
 * @NFTA_REDIR_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers)
 * @NFTA_REDIR_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers)
 * @NFTA_REDIR_FLAGS: NAT flags (see NF_NAT_RANGE_* in linux/netfilter/nf_nat.h) (NLA_U32)
 */
enum nft_redir_attributes {
	NFTA_REDIR_UNSPEC,
	NFTA_REDIR_REG_PROTO_MIN,
	NFTA_REDIR_REG_PROTO_MAX,
	NFTA_REDIR_FLAGS,
	__NFTA_REDIR_MAX
};
#define NFTA_REDIR_MAX		(__NFTA_REDIR_MAX - 1)

/**
 * enum nft_dup_attributes - nf_tables dup expression netlink attributes
 *
 * @NFTA_DUP_SREG_ADDR: source register of address (NLA_U32: nft_registers)
 * @NFTA_DUP_SREG_DEV: source register of output interface (NLA_U32: nft_register)
 */
enum nft_dup_attributes {
	NFTA_DUP_UNSPEC,
	NFTA_DUP_SREG_ADDR,
	NFTA_DUP_SREG_DEV,
	__NFTA_DUP_MAX
};
#define NFTA_DUP_MAX		(__NFTA_DUP_MAX - 1)

/**
 * enum nft_fwd_attributes - nf_tables fwd expression netlink attributes
 *
 * @NFTA_FWD_SREG_DEV: source register of output interface (NLA_U32: nft_register)
 * @NFTA_FWD_SREG_ADDR: source register of destination address (NLA_U32: nft_register)
 * @NFTA_FWD_NFPROTO: layer 3 family of source register address (NLA_U32: enum nfproto)
 */
enum nft_fwd_attributes {
	NFTA_FWD_UNSPEC,
	NFTA_FWD_SREG_DEV,
	NFTA_FWD_SREG_ADDR,
	NFTA_FWD_NFPROTO,
	__NFTA_FWD_MAX
};
#define NFTA_FWD_MAX	(__NFTA_FWD_MAX - 1)

/**
 * enum nft_objref_attributes - nf_tables stateful object expression netlink attributes
 *
 * @NFTA_OBJREF_IMM_TYPE: object type for immediate reference (NLA_U32: nft_register)
 * @NFTA_OBJREF_IMM_NAME: object name for immediate reference (NLA_STRING)
 * @NFTA_OBJREF_SET_SREG: source register of the data to look for (NLA_U32: nft_registers)
 * @NFTA_OBJREF_SET_NAME: name of the set where to look for (NLA_STRING)
 * @NFTA_OBJREF_SET_ID: id of the set where to look for in this transaction (NLA_U32)
 */
enum nft_objref_attributes {
	NFTA_OBJREF_UNSPEC,
	NFTA_OBJREF_IMM_TYPE,
	NFTA_OBJREF_IMM_NAME,
	NFTA_OBJREF_SET_SREG,
	NFTA_OBJREF_SET_NAME,
	NFTA_OBJREF_SET_ID,
	__NFTA_OBJREF_MAX
};
#define NFTA_OBJREF_MAX	(__NFTA_OBJREF_MAX - 1)

/**
 * enum nft_gen_attributes - nf_tables ruleset generation attributes
 *
 * @NFTA_GEN_ID: Ruleset generation ID (NLA_U32)
 */
enum nft_gen_attributes {
	NFTA_GEN_UNSPEC,
	NFTA_GEN_ID,
	NFTA_GEN_PROC_PID,
	NFTA_GEN_PROC_NAME,
	__NFTA_GEN_MAX
};
#define NFTA_GEN_MAX		(__NFTA_GEN_MAX - 1)

/*
 * enum nft_fib_attributes - nf_tables fib expression netlink attributes
 *
 * @NFTA_FIB_DREG: destination register (NLA_U32)
 * @NFTA_FIB_RESULT: desired result (NLA_U32)
 * @NFTA_FIB_FLAGS: flowi fields to initialize when querying the FIB (NLA_U32)
 *
 * The FIB expression performs a route lookup according
 * to the packet data.
 */
enum nft_fib_attributes {
	NFTA_FIB_UNSPEC,
	NFTA_FIB_DREG,
	NFTA_FIB_RESULT,
	NFTA_FIB_FLAGS,
	__NFTA_FIB_MAX
};
#define NFTA_FIB_MAX (__NFTA_FIB_MAX - 1)

enum nft_fib_result {
	NFT_FIB_RESULT_UNSPEC,
	NFT_FIB_RESULT_OIF,
	NFT_FIB_RESULT_OIFNAME,
	NFT_FIB_RESULT_ADDRTYPE,
	__NFT_FIB_RESULT_MAX
};
#define NFT_FIB_RESULT_MAX	(__NFT_FIB_RESULT_MAX - 1)

enum nft_fib_flags {
	NFTA_FIB_F_SADDR	= 1 << 0,	/* look up src */
	NFTA_FIB_F_DADDR	= 1 << 1,	/* look up dst */
	NFTA_FIB_F_MARK		= 1 << 2,	/* use skb->mark */
	NFTA_FIB_F_IIF		= 1 << 3,	/* restrict to iif */
	NFTA_FIB_F_OIF		= 1 << 4,	/* restrict to oif */
	NFTA_FIB_F_PRESENT	= 1 << 5,	/* check existence only */
};

enum nft_ct_helper_attributes {
	NFTA_CT_HELPER_UNSPEC,
	NFTA_CT_HELPER_NAME,
	NFTA_CT_HELPER_L3PROTO,
	NFTA_CT_HELPER_L4PROTO,
	__NFTA_CT_HELPER_MAX,
};
#define NFTA_CT_HELPER_MAX	(__NFTA_CT_HELPER_MAX - 1)

#define NFT_OBJECT_UNSPEC	0
#define NFT_OBJECT_COUNTER	1
#define NFT_OBJECT_QUOTA	2
#define NFT_OBJECT_CT_HELPER	3
#define NFT_OBJECT_LIMIT	4
#define NFT_OBJECT_CONNLIMIT	5
#define NFT_OBJECT_TUNNEL	6
#define NFT_OBJECT_CT_TIMEOUT	7
#define NFT_OBJECT_SECMARK	8
#define __NFT_OBJECT_MAX	9
#define NFT_OBJECT_MAX		(__NFT_OBJECT_MAX - 1)

/**
 * enum nft_object_attributes - nf_tables stateful object netlink attributes
 *
 * @NFTA_OBJ_TABLE: name of the table containing the expression (NLA_STRING)
 * @NFTA_OBJ_NAME: name of this expression type (NLA_STRING)
 * @NFTA_OBJ_TYPE: stateful object type (NLA_U32)
 * @NFTA_OBJ_DATA: stateful object data (NLA_NESTED)
 * @NFTA_OBJ_USE: number of references to this expression (NLA_U32)
 * @NFTA_OBJ_HANDLE: object handle (NLA_U64)
 */
enum nft_object_attributes {
	NFTA_OBJ_UNSPEC,
	NFTA_OBJ_TABLE,
	NFTA_OBJ_NAME,
	NFTA_OBJ_TYPE,
	NFTA_OBJ_DATA,
	NFTA_OBJ_USE,
	NFTA_OBJ_HANDLE,
	NFTA_OBJ_PAD,
	__NFTA_OBJ_MAX
};
#define NFTA_OBJ_MAX		(__NFTA_OBJ_MAX - 1)

/**
 * enum nft_flowtable_flags - nf_tables flowtable flags
 *
 * @NFT_FLOWTABLE_HW_OFFLOAD: flowtable hardware offload is enabled
 * @NFT_FLOWTABLE_COUNTER: enable flow counters
 */
enum nft_flowtable_flags {
	NFT_FLOWTABLE_HW_OFFLOAD	= 0x1,
	NFT_FLOWTABLE_COUNTER		= 0x2,
	NFT_FLOWTABLE_MASK		= (NFT_FLOWTABLE_HW_OFFLOAD |
					   NFT_FLOWTABLE_COUNTER)
};

/**
 * enum nft_flowtable_attributes - nf_tables flow table netlink attributes
 *
 * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING)
 * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING)
 * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32)
 * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32)
 * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64)
 * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32)
 */
enum nft_flowtable_attributes {
	NFTA_FLOWTABLE_UNSPEC,
	NFTA_FLOWTABLE_TABLE,
	NFTA_FLOWTABLE_NAME,
	NFTA_FLOWTABLE_HOOK,
	NFTA_FLOWTABLE_USE,
	NFTA_FLOWTABLE_HANDLE,
	NFTA_FLOWTABLE_PAD,
	NFTA_FLOWTABLE_FLAGS,
	__NFTA_FLOWTABLE_MAX
};
#define NFTA_FLOWTABLE_MAX	(__NFTA_FLOWTABLE_MAX - 1)

/**
 * enum nft_flowtable_hook_attributes - nf_tables flow table hook netlink attributes
 *
 * @NFTA_FLOWTABLE_HOOK_NUM: netfilter hook number (NLA_U32)
 * @NFTA_FLOWTABLE_HOOK_PRIORITY: netfilter hook priority (NLA_U32)
 * @NFTA_FLOWTABLE_HOOK_DEVS: input devices this flow table is bound to (NLA_NESTED)
 */
enum nft_flowtable_hook_attributes {
	NFTA_FLOWTABLE_HOOK_UNSPEC,
	NFTA_FLOWTABLE_HOOK_NUM,
	NFTA_FLOWTABLE_HOOK_PRIORITY,
	NFTA_FLOWTABLE_HOOK_DEVS,
	__NFTA_FLOWTABLE_HOOK_MAX
};
#define NFTA_FLOWTABLE_HOOK_MAX	(__NFTA_FLOWTABLE_HOOK_MAX - 1)

/**
 * enum nft_device_attributes - nf_tables device netlink attributes
 *
 * @NFTA_DEVICE_NAME: name of this device (NLA_STRING)
 */
enum nft_devices_attributes {
	NFTA_DEVICE_UNSPEC,
	NFTA_DEVICE_NAME,
	__NFTA_DEVICE_MAX
};
#define NFTA_DEVICE_MAX		(__NFTA_DEVICE_MAX - 1)

/*
 * enum nft_xfrm_attributes - nf_tables xfrm expr netlink attributes
 *
 * @NFTA_XFRM_DREG: destination register (NLA_U32)
 * @NFTA_XFRM_KEY: enum nft_xfrm_keys (NLA_U32)
 * @NFTA_XFRM_DIR: direction (NLA_U8)
 * @NFTA_XFRM_SPNUM: index in secpath array (NLA_U32)
 */
enum nft_xfrm_attributes {
	NFTA_XFRM_UNSPEC,
	NFTA_XFRM_DREG,
	NFTA_XFRM_KEY,
	NFTA_XFRM_DIR,
	NFTA_XFRM_SPNUM,
	__NFTA_XFRM_MAX
};
#define NFTA_XFRM_MAX (__NFTA_XFRM_MAX - 1)

enum nft_xfrm_keys {
	NFT_XFRM_KEY_UNSPEC,
	NFT_XFRM_KEY_DADDR_IP4,
	NFT_XFRM_KEY_DADDR_IP6,
	NFT_XFRM_KEY_SADDR_IP4,
	NFT_XFRM_KEY_SADDR_IP6,
	NFT_XFRM_KEY_REQID,
	NFT_XFRM_KEY_SPI,
	__NFT_XFRM_KEY_MAX,
};
#define NFT_XFRM_KEY_MAX (__NFT_XFRM_KEY_MAX - 1)

/**
 * enum nft_trace_attributes - nf_tables trace netlink attributes
 *
 * @NFTA_TRACE_TABLE: name of the table (NLA_STRING)
 * @NFTA_TRACE_CHAIN: name of the chain (NLA_STRING)
 * @NFTA_TRACE_RULE_HANDLE: numeric handle of the rule (NLA_U64)
 * @NFTA_TRACE_TYPE: type of the event (NLA_U32: nft_trace_types)
 * @NFTA_TRACE_VERDICT: verdict returned by hook (NLA_NESTED: nft_verdicts)
 * @NFTA_TRACE_ID: pseudo-id, same for each skb traced (NLA_U32)
 * @NFTA_TRACE_LL_HEADER: linklayer header (NLA_BINARY)
 * @NFTA_TRACE_NETWORK_HEADER: network header (NLA_BINARY)
 * @NFTA_TRACE_TRANSPORT_HEADER: transport header (NLA_BINARY)
 * @NFTA_TRACE_IIF: indev ifindex (NLA_U32)
 * @NFTA_TRACE_IIFTYPE: netdev->type of indev (NLA_U16)
 * @NFTA_TRACE_OIF: outdev ifindex (NLA_U32)
 * @NFTA_TRACE_OIFTYPE: netdev->type of outdev (NLA_U16)
 * @NFTA_TRACE_MARK: nfmark (NLA_U32)
 * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
 * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
 */
enum nft_trace_attributes {
	NFTA_TRACE_UNSPEC,
	NFTA_TRACE_TABLE,
	NFTA_TRACE_CHAIN,
	NFTA_TRACE_RULE_HANDLE,
	NFTA_TRACE_TYPE,
	NFTA_TRACE_VERDICT,
	NFTA_TRACE_ID,
	NFTA_TRACE_LL_HEADER,
	NFTA_TRACE_NETWORK_HEADER,
	NFTA_TRACE_TRANSPORT_HEADER,
	NFTA_TRACE_IIF,
	NFTA_TRACE_IIFTYPE,
	NFTA_TRACE_OIF,
	NFTA_TRACE_OIFTYPE,
	NFTA_TRACE_MARK,
	NFTA_TRACE_NFPROTO,
	NFTA_TRACE_POLICY,
	NFTA_TRACE_PAD,
	__NFTA_TRACE_MAX
};
#define NFTA_TRACE_MAX (__NFTA_TRACE_MAX - 1)

enum nft_trace_types {
	NFT_TRACETYPE_UNSPEC,
	NFT_TRACETYPE_POLICY,
	NFT_TRACETYPE_RETURN,
	NFT_TRACETYPE_RULE,
	__NFT_TRACETYPE_MAX
};
#define NFT_TRACETYPE_MAX (__NFT_TRACETYPE_MAX - 1)

/**
 * enum nft_ng_attributes - nf_tables number generator expression netlink attributes
 *
 * @NFTA_NG_DREG: destination register (NLA_U32)
 * @NFTA_NG_MODULUS: maximum counter value (NLA_U32)
 * @NFTA_NG_TYPE: operation type (NLA_U32)
 * @NFTA_NG_OFFSET: offset to be added to the counter (NLA_U32)
 * @NFTA_NG_SET_NAME: name of the map to lookup (NLA_STRING)
 * @NFTA_NG_SET_ID: id of the map (NLA_U32)
 */
enum nft_ng_attributes {
	NFTA_NG_UNSPEC,
	NFTA_NG_DREG,
	NFTA_NG_MODULUS,
	NFTA_NG_TYPE,
	NFTA_NG_OFFSET,
	NFTA_NG_SET_NAME,	/* deprecated */
	NFTA_NG_SET_ID,		/* deprecated */
	__NFTA_NG_MAX
};
#define NFTA_NG_MAX	(__NFTA_NG_MAX - 1)

enum nft_ng_types {
	NFT_NG_INCREMENTAL,
	NFT_NG_RANDOM,
	__NFT_NG_MAX
};
#define NFT_NG_MAX	(__NFT_NG_MAX - 1)

#endif /* _LINUX_NF_TABLES_H */

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