bpf_endian.h File Reference

#include <stdint.h>

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Macros
#define	___bpf_mvb(x, b, n, m)   ((__u##b)(x) << (b - (n + 1) * 8) >> (b - 8) << (m * 8))
#define	___bpf_swab16(x)   ((__u16)(___bpf_mvb(x, 16, 0, 1) | ___bpf_mvb(x, 16, 1, 0)))
#define	___bpf_swab32(x)    ((__u32)(___bpf_mvb(x, 32, 0, 3) | ___bpf_mvb(x, 32, 1, 2) | ___bpf_mvb(x, 32, 2, 1) | ___bpf_mvb(x, 32, 3, 0)))
#define	___bpf_swab64(x)
#define	__bpf_ntohs(x)   __builtin_bswap16(x)
#define	__bpf_htons(x)   __builtin_bswap16(x)
#define	__bpf_constant_ntohs(x)   ___bpf_swab16(x)
#define	__bpf_constant_htons(x)   ___bpf_swab16(x)
#define	__bpf_ntohl(x)   __builtin_bswap32(x)
#define	__bpf_htonl(x)   __builtin_bswap32(x)
#define	__bpf_constant_ntohl(x)   ___bpf_swab32(x)
#define	__bpf_constant_htonl(x)   ___bpf_swab32(x)
#define	__bpf_be64_to_cpu(x)   __builtin_bswap64(x)
#define	__bpf_cpu_to_be64(x)   __builtin_bswap64(x)
#define	__bpf_constant_be64_to_cpu(x)   ___bpf_swab64(x)
#define	__bpf_constant_cpu_to_be64(x)   ___bpf_swab64(x)
#define	bpf_htons(x)   (__builtin_constant_p(x) ? __bpf_constant_htons(x) : __bpf_htons(x))
#define	bpf_ntohs(x)   (__builtin_constant_p(x) ? __bpf_constant_ntohs(x) : __bpf_ntohs(x))
#define	bpf_htonl(x)   (__builtin_constant_p(x) ? __bpf_constant_htonl(x) : __bpf_htonl(x))
#define	bpf_ntohl(x)   (__builtin_constant_p(x) ? __bpf_constant_ntohl(x) : __bpf_ntohl(x))
#define	bpf_cpu_to_be64(x)   (__builtin_constant_p(x) ? __bpf_constant_cpu_to_be64(x) : __bpf_cpu_to_be64(x))
#define	bpf_be64_to_cpu(x)   (__builtin_constant_p(x) ? __bpf_constant_be64_to_cpu(x) : __bpf_be64_to_cpu(x))
#define	ntohs   bpf_ntohs
#define	htons   bpf_htons
#define	ntohl   bpf_ntohl
#define	htonl   bpf_htonl

Macro Definition Documentation

___bpf_mvb

#define ___bpf_mvb	(		x,
			b,
			n,
			m
	)		((__u##b)(x) << (b - (n + 1) * 8) >> (b - 8) << (m * 8))

___bpf_swab16

#define ___bpf_swab16

(

x

)

((__u16)(___bpf_mvb(x, 16, 0, 1) | ___bpf_mvb(x, 16, 1, 0)))

___bpf_swab32

#define ___bpf_swab32

(

x

)

((__u32)(___bpf_mvb(x, 32, 0, 3) | ___bpf_mvb(x, 32, 1, 2) | ___bpf_mvb(x, 32, 2, 1) | ___bpf_mvb(x, 32, 3, 0)))

___bpf_swab64

#define ___bpf_swab64

(

x

)

Value:

    ((__u64)(                                                                                                   \
        ___bpf_mvb(x, 64, 0, 7) | ___bpf_mvb(x, 64, 1, 6) | ___bpf_mvb(x, 64, 2, 5) | ___bpf_mvb(x, 64, 3, 4) | \
        ___bpf_mvb(x, 64, 4, 3) | ___bpf_mvb(x, 64, 5, 2) | ___bpf_mvb(x, 64, 6, 1) | ___bpf_mvb(x, 64, 7, 0)))

__bpf_be64_to_cpu

#define __bpf_be64_to_cpu

(

x

)

__builtin_bswap64(x)

__bpf_constant_be64_to_cpu

#define __bpf_constant_be64_to_cpu

(

x

)

___bpf_swab64(x)

__bpf_constant_cpu_to_be64

#define __bpf_constant_cpu_to_be64

(

x

)

___bpf_swab64(x)

__bpf_constant_htonl

#define __bpf_constant_htonl

(

x

)

___bpf_swab32(x)

__bpf_constant_htons

#define __bpf_constant_htons

(

x

)

___bpf_swab16(x)

__bpf_constant_ntohl

#define __bpf_constant_ntohl

(

x

)

___bpf_swab32(x)

__bpf_constant_ntohs

#define __bpf_constant_ntohs

(

x

)

___bpf_swab16(x)

__bpf_cpu_to_be64

#define __bpf_cpu_to_be64

(

x

)

__builtin_bswap64(x)

__bpf_htonl

#define __bpf_htonl

(

x

)

__builtin_bswap32(x)

__bpf_htons

#define __bpf_htons

(

x

)

__builtin_bswap16(x)

__bpf_ntohl

#define __bpf_ntohl

(

x

)

__builtin_bswap32(x)

__bpf_ntohs

#define __bpf_ntohs

(

x

)

__builtin_bswap16(x)

bpf_be64_to_cpu

#define bpf_be64_to_cpu

(

x

)

(__builtin_constant_p(x) ? __bpf_constant_be64_to_cpu(x) : __bpf_be64_to_cpu(x))

bpf_cpu_to_be64

#define bpf_cpu_to_be64

(

x

)

(__builtin_constant_p(x) ? __bpf_constant_cpu_to_be64(x) : __bpf_cpu_to_be64(x))

bpf_htonl

#define bpf_htonl

(

x

)

(__builtin_constant_p(x) ? __bpf_constant_htonl(x) : __bpf_htonl(x))

bpf_htons

#define bpf_htons

(

x

)

(__builtin_constant_p(x) ? __bpf_constant_htons(x) : __bpf_htons(x))

bpf_ntohl

#define bpf_ntohl

(

x

)

(__builtin_constant_p(x) ? __bpf_constant_ntohl(x) : __bpf_ntohl(x))

bpf_ntohs

#define bpf_ntohs

(

x

)

(__builtin_constant_p(x) ? __bpf_constant_ntohs(x) : __bpf_ntohs(x))

htonl

#define htonl   bpf_htonl

htons

#define htons   bpf_htons

ntohl

#define ntohl   bpf_ntohl

ntohs

#define ntohs   bpf_ntohs