#include <stdint.h>
#include <stdbool.h>
#include <sys/types.h>

Include dependency graph for expr.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	nft_rule_expr_set_data nft_rule_expr_set

#define	nft_rule_expr_get_data nft_rule_expr_get

Enumerations
enum	{ NFT_RULE_EXPR_ATTR_NAME = 0, NFT_RULE_EXPR_ATTR_BASE }

enum	{ NFT_EXPR_PAYLOAD_DREG = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_PAYLOAD_BASE, NFT_EXPR_PAYLOAD_OFFSET, NFT_EXPR_PAYLOAD_LEN }

enum	{ NFT_EXPR_META_KEY = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_META_DREG, NFT_EXPR_META_SREG }

enum	{ NFT_EXPR_CMP_SREG = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_CMP_OP, NFT_EXPR_CMP_DATA }

enum	{ NFT_EXPR_IMM_DREG = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_IMM_DATA, NFT_EXPR_IMM_VERDICT, NFT_EXPR_IMM_CHAIN }

enum	{ NFT_EXPR_CTR_PACKETS = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_CTR_BYTES }

enum	{ NFT_EXPR_BITWISE_SREG = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_BITWISE_DREG, NFT_EXPR_BITWISE_LEN, NFT_EXPR_BITWISE_MASK, NFT_EXPR_BITWISE_XOR }

enum	{ NFT_EXPR_TG_NAME = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_TG_REV, NFT_EXPR_TG_INFO }

enum	{ NFT_EXPR_MT_NAME = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_MT_REV, NFT_EXPR_MT_INFO }

enum	{ NFT_EXPR_NAT_TYPE = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_NAT_FAMILY, NFT_EXPR_NAT_REG_ADDR_MIN, NFT_EXPR_NAT_REG_ADDR_MAX, NFT_EXPR_NAT_REG_PROTO_MIN, NFT_EXPR_NAT_REG_PROTO_MAX, NFT_EXPR_NAT_FLAGS }

enum	{ NFT_EXPR_LOOKUP_SREG = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_LOOKUP_DREG, NFT_EXPR_LOOKUP_SET, NFT_EXPR_LOOKUP_SET_ID }

enum	{ NFT_EXPR_LOG_PREFIX = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_LOG_GROUP, NFT_EXPR_LOG_SNAPLEN, NFT_EXPR_LOG_QTHRESHOLD, NFT_EXPR_LOG_LEVEL, NFT_EXPR_LOG_FLAGS }

enum	{ NFT_EXPR_EXTHDR_DREG = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_EXTHDR_TYPE, NFT_EXPR_EXTHDR_OFFSET, NFT_EXPR_EXTHDR_LEN }

enum	{ NFT_EXPR_CT_DREG = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_CT_KEY, NFT_EXPR_CT_DIR, NFT_EXPR_CT_SREG }

enum	{ NFT_EXPR_BYTEORDER_DREG = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_BYTEORDER_SREG, NFT_EXPR_BYTEORDER_OP, NFT_EXPR_BYTEORDER_LEN, NFT_EXPR_BYTEORDER_SIZE }

enum	{ NFT_EXPR_LIMIT_RATE = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_LIMIT_UNIT }

enum	{ NFT_EXPR_REJECT_TYPE = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_REJECT_CODE }

enum	{ NFT_EXPR_QUEUE_NUM = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_QUEUE_TOTAL, NFT_EXPR_QUEUE_FLAGS }

enum	{ NFT_EXPR_MASQ_FLAGS = NFT_RULE_EXPR_ATTR_BASE }

enum	{ NFT_EXPR_REDIR_REG_PROTO_MIN = NFT_RULE_EXPR_ATTR_BASE, NFT_EXPR_REDIR_REG_PROTO_MAX, NFT_EXPR_REDIR_FLAGS }

Functions
struct nft_rule_expr *	nft_rule_expr_alloc (const char *name)

void	nft_rule_expr_free (struct nft_rule_expr *expr)

bool	nft_rule_expr_is_set (const struct nft_rule_expr *expr, uint16_t type)

void	nft_rule_expr_set (struct nft_rule_expr expr, uint16_t type, const void data, uint32_t data_len)

void	nft_rule_expr_set_u8 (struct nft_rule_expr *expr, uint16_t type, uint8_t data)

void	nft_rule_expr_set_u16 (struct nft_rule_expr *expr, uint16_t type, uint16_t data)

void	nft_rule_expr_set_u32 (struct nft_rule_expr *expr, uint16_t type, uint32_t data)

void	nft_rule_expr_set_u64 (struct nft_rule_expr *expr, uint16_t type, uint64_t data)

void	nft_rule_expr_set_str (struct nft_rule_expr expr, uint16_t type, const char str)

const void *	nft_rule_expr_get (const struct nft_rule_expr expr, uint16_t type, uint32_t data_len)

uint8_t	nft_rule_expr_get_u8 (const struct nft_rule_expr *expr, uint16_t type)

uint16_t	nft_rule_expr_get_u16 (const struct nft_rule_expr *expr, uint16_t type)

uint32_t	nft_rule_expr_get_u32 (const struct nft_rule_expr *expr, uint16_t type)

uint64_t	nft_rule_expr_get_u64 (const struct nft_rule_expr *expr, uint16_t type)

const char *	nft_rule_expr_get_str (const struct nft_rule_expr *expr, uint16_t type)

void	nft_rule_expr_build_payload (struct nlmsghdr nlh, struct nft_rule_expr expr)

int	nft_rule_expr_snprintf (char buf, size_t buflen, struct nft_rule_expr expr, uint32_t type, uint32_t flags)

Macro Definition Documentation

#define nft_rule_expr_get_data nft_rule_expr_get

#define nft_rule_expr_set_data nft_rule_expr_set

Enumeration Type Documentation

anonymous enum

Enumerator
NFT_RULE_EXPR_ATTR_NAME
NFT_RULE_EXPR_ATTR_BASE

anonymous enum

Enumerator
NFT_EXPR_PAYLOAD_DREG
NFT_EXPR_PAYLOAD_BASE
NFT_EXPR_PAYLOAD_OFFSET
NFT_EXPR_PAYLOAD_LEN

anonymous enum

Enumerator
NFT_EXPR_META_KEY
NFT_EXPR_META_DREG
NFT_EXPR_META_SREG

anonymous enum

Enumerator
NFT_EXPR_CMP_SREG
NFT_EXPR_CMP_OP
NFT_EXPR_CMP_DATA

anonymous enum

Enumerator
NFT_EXPR_IMM_DREG
NFT_EXPR_IMM_DATA
NFT_EXPR_IMM_VERDICT
NFT_EXPR_IMM_CHAIN

anonymous enum

Enumerator
NFT_EXPR_CTR_PACKETS
NFT_EXPR_CTR_BYTES

anonymous enum

Enumerator
NFT_EXPR_BITWISE_SREG
NFT_EXPR_BITWISE_DREG
NFT_EXPR_BITWISE_LEN
NFT_EXPR_BITWISE_MASK
NFT_EXPR_BITWISE_XOR

anonymous enum

Enumerator
NFT_EXPR_TG_NAME
NFT_EXPR_TG_REV
NFT_EXPR_TG_INFO

anonymous enum

Enumerator
NFT_EXPR_MT_NAME
NFT_EXPR_MT_REV
NFT_EXPR_MT_INFO

anonymous enum

Enumerator
NFT_EXPR_NAT_TYPE
NFT_EXPR_NAT_FAMILY
NFT_EXPR_NAT_REG_ADDR_MIN
NFT_EXPR_NAT_REG_ADDR_MAX
NFT_EXPR_NAT_REG_PROTO_MIN
NFT_EXPR_NAT_REG_PROTO_MAX
NFT_EXPR_NAT_FLAGS

anonymous enum

Enumerator
NFT_EXPR_LOOKUP_SREG
NFT_EXPR_LOOKUP_DREG
NFT_EXPR_LOOKUP_SET
NFT_EXPR_LOOKUP_SET_ID

anonymous enum

Enumerator
NFT_EXPR_LOG_PREFIX
NFT_EXPR_LOG_GROUP
NFT_EXPR_LOG_SNAPLEN
NFT_EXPR_LOG_QTHRESHOLD
NFT_EXPR_LOG_LEVEL
NFT_EXPR_LOG_FLAGS

anonymous enum

Enumerator
NFT_EXPR_EXTHDR_DREG
NFT_EXPR_EXTHDR_TYPE
NFT_EXPR_EXTHDR_OFFSET
NFT_EXPR_EXTHDR_LEN

anonymous enum

Enumerator
NFT_EXPR_CT_DREG
NFT_EXPR_CT_KEY
NFT_EXPR_CT_DIR
NFT_EXPR_CT_SREG

anonymous enum

Enumerator
NFT_EXPR_BYTEORDER_DREG
NFT_EXPR_BYTEORDER_SREG
NFT_EXPR_BYTEORDER_OP
NFT_EXPR_BYTEORDER_LEN
NFT_EXPR_BYTEORDER_SIZE

anonymous enum

Enumerator
NFT_EXPR_LIMIT_RATE
NFT_EXPR_LIMIT_UNIT

anonymous enum

Enumerator
NFT_EXPR_REJECT_TYPE
NFT_EXPR_REJECT_CODE

anonymous enum

Enumerator
NFT_EXPR_QUEUE_NUM
NFT_EXPR_QUEUE_TOTAL
NFT_EXPR_QUEUE_FLAGS

anonymous enum

Enumerator
NFT_EXPR_MASQ_FLAGS

anonymous enum

Enumerator
NFT_EXPR_REDIR_REG_PROTO_MIN
NFT_EXPR_REDIR_REG_PROTO_MAX
NFT_EXPR_REDIR_FLAGS

Function Documentation

struct nft_rule_expr* nft_rule_expr_alloc ( const char * name )

References expr_ops::alloc_len, nft_rule_expr::flags, nft_expr_ops_lookup(), NFT_RULE_EXPR_ATTR_NAME, NULL, and nft_rule_expr::ops.

Referenced by add_bitwise_u16(), add_cmp_ptr(), add_counters(), add_jumpto(), add_match(), add_meta(), add_payload(), add_target(), add_verdict(), and alloc_nft_expr().

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void nft_rule_expr_build_payload	(	struct nlmsghdr *	nlh,
		struct nft_rule_expr *	expr
	)

References expr_ops::build, mnl_attr_nest_end(), mnl_attr_nest_start(), mnl_attr_put_strz(), expr_ops::name, NFTA_EXPR_DATA, NFTA_EXPR_NAME, NFTA_LIST_ELEM, and nft_rule_expr::ops.

Referenced by nft_rule_nlmsg_build_payload().

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void nft_rule_expr_free ( struct nft_rule_expr * expr )

References expr_ops::free, nft_rule_expr::ops, and xfree.

Referenced by nft_rule_free().

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const void* nft_rule_expr_get	(	const struct nft_rule_expr *	expr,
		uint16_t	type,
		uint32_t *	data_len
	)

References nft_rule_expr::flags, expr_ops::get, expr_ops::name, NFT_RULE_EXPR_ATTR_NAME, NULL, and nft_rule_expr::ops.

Referenced by get_cmp_data(), nft_parse_bitwise(), nft_parse_target(), nft_rule_expr_get_str(), nft_rule_expr_get_u16(), nft_rule_expr_get_u32(), nft_rule_expr_get_u64(), nft_rule_expr_get_u8(), and parse_meta().

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const char* nft_rule_expr_get_str	(	const struct nft_rule_expr *	expr,
		uint16_t	type
	)

References nft_rule_expr_get().

Referenced by nft_parse_immediate(), nft_parse_target(), nft_rule_to_arptables_command_state(), nft_rule_to_iptables_command_state(), and nft_set_lookup_id().

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uint16_t nft_rule_expr_get_u16	(	const struct nft_rule_expr *	expr,
		uint16_t	type
	)

References data, nft_rule_expr_get(), and NULL.

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uint32_t nft_rule_expr_get_u32	(	const struct nft_rule_expr *	expr,
		uint16_t	type
	)

References data, nft_rule_expr_get(), and NULL.

Referenced by get_cmp_data(), nft_parse_bitwise(), nft_parse_cmp(), nft_parse_immediate(), nft_parse_meta(), nft_parse_payload(), nft_parse_target(), and parse_meta().

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uint64_t nft_rule_expr_get_u64	(	const struct nft_rule_expr *	expr,
		uint16_t	type
	)

References data, nft_rule_expr_get(), and NULL.

Referenced by nft_parse_counter().

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uint8_t nft_rule_expr_get_u8	(	const struct nft_rule_expr *	expr,
		uint16_t	type
	)

References data, nft_rule_expr_get(), and NULL.

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bool nft_rule_expr_is_set	(	const struct nft_rule_expr *	expr,
		uint16_t	type
	)

References nft_rule_expr::flags, and type.

void nft_rule_expr_set	(	struct nft_rule_expr *	expr,
		uint16_t	type,
		const void *	data,
		uint32_t	data_len
	)

References nft_rule_expr::flags, NFT_RULE_EXPR_ATTR_NAME, nft_rule_expr::ops, expr_ops::set, and type.

Referenced by add_bitwise_u16(), add_cmp_ptr(), nft_rule_expr_set_str(), nft_rule_expr_set_u16(), nft_rule_expr_set_u32(), nft_rule_expr_set_u64(), and nft_rule_expr_set_u8().

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void nft_rule_expr_set_str	(	struct nft_rule_expr *	expr,
		uint16_t	type,
		const char *	str
	)

References nft_rule_expr_set().

Referenced by add_jumpto().

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void nft_rule_expr_set_u16	(	struct nft_rule_expr *	expr,
		uint16_t	type,
		uint16_t	data
	)

References nft_rule_expr_set().

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void nft_rule_expr_set_u32	(	struct nft_rule_expr *	expr,
		uint16_t	type,
		uint32_t	data
	)

References nft_rule_expr_set().

Referenced by add_bitwise_u16(), add_cmp_ptr(), add_jumpto(), add_meta(), add_payload(), and add_verdict().

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void nft_rule_expr_set_u64	(	struct nft_rule_expr *	expr,
		uint16_t	type,
		uint64_t	data
	)

References nft_rule_expr_set().

Referenced by add_counters().

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void nft_rule_expr_set_u8	(	struct nft_rule_expr *	expr,
		uint16_t	type,
		uint8_t	data
	)

References nft_rule_expr_set().

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int nft_rule_expr_snprintf	(	char *	buf,
		size_t	buflen,
		struct nft_rule_expr *	expr,
		uint32_t	type,
		uint32_t	flags
	)

References len, nft_rule_expr::ops, size, expr_ops::snprintf, and SNPRINTF_BUFFER_SIZE.

Referenced by netlink_dump_expr().

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Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation