#ifndef NFTABLES_CT_H
#define NFTABLES_CT_H

/**
 * struct ct_template
 *
 * @token:	parser token for the expression
 * @dtype:	data type of the expression
 * @len:	length of the expression
 * @byteorder:	byteorder
 */
struct ct_template {
	const char		*token;
	const struct datatype	*dtype;
	enum byteorder		byteorder;
	unsigned int		len;
};

extern const struct ct_template ct_templates[__NFT_CT_MAX];

#define CT_TEMPLATE(__token, __dtype, __byteorder, __len) {	\
	.token		= (__token),				\
	.dtype		= (__dtype),				\
	.byteorder	= (__byteorder),			\
	.len		= (__len),				\
}

extern struct expr *ct_expr_alloc(const struct location *loc,
				  enum nft_ct_keys key, int8_t direction,
				  uint8_t nfproto);
extern void ct_expr_update_type(struct proto_ctx *ctx, struct expr *expr);

extern struct stmt *notrack_stmt_alloc(const struct location *loc);
extern struct stmt *flow_offload_stmt_alloc(const struct location *loc,
					    const char *table_name);
extern const char *ct_dir2str(int dir);
extern const char *ct_label2str(unsigned long value);

extern const struct datatype ct_dir_type;
extern const struct datatype ct_state_type;
extern const struct datatype ct_status_type;

#endif /* NFTABLES_CT_H */