swh:1:snp:32555a3fd8878f019c2ebd6c964bc1edcaeff337
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Tip revision: bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 authored by Linus Torvalds on 05 October 2014, 19:23:04 UTC
Linux 3.17
Tip revision: bfe01a5
nf_tables_core.h
#ifndef _NET_NF_TABLES_CORE_H
#define _NET_NF_TABLES_CORE_H

int nf_tables_core_module_init(void);
void nf_tables_core_module_exit(void);

int nft_immediate_module_init(void);
void nft_immediate_module_exit(void);

struct nft_cmp_fast_expr {
	u32			data;
	enum nft_registers	sreg:8;
	u8			len;
};

/* Calculate the mask for the nft_cmp_fast expression. On big endian the
 * mask needs to include the *upper* bytes when interpreting that data as
 * something smaller than the full u32, therefore a cpu_to_le32 is done.
 */
static inline u32 nft_cmp_fast_mask(unsigned int len)
{
	return cpu_to_le32(~0U >> (FIELD_SIZEOF(struct nft_cmp_fast_expr,
						data) * BITS_PER_BYTE - len));
}

extern const struct nft_expr_ops nft_cmp_fast_ops;

int nft_cmp_module_init(void);
void nft_cmp_module_exit(void);

int nft_lookup_module_init(void);
void nft_lookup_module_exit(void);

int nft_bitwise_module_init(void);
void nft_bitwise_module_exit(void);

int nft_byteorder_module_init(void);
void nft_byteorder_module_exit(void);

struct nft_payload {
	enum nft_payload_bases	base:8;
	u8			offset;
	u8			len;
	enum nft_registers	dreg:8;
};

extern const struct nft_expr_ops nft_payload_fast_ops;

int nft_payload_module_init(void);
void nft_payload_module_exit(void);

#endif /* _NET_NF_TABLES_CORE_H */
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