rte_byteorder.h File Reference

#include <stdint.h>

Macros
#define	rte_bswap16(x)
#define	rte_bswap32(x)
#define	rte_bswap64(x)
#define	rte_cpu_to_le_16(x)   (x)
#define	rte_cpu_to_le_32(x)   (x)
#define	rte_cpu_to_le_64(x)   (x)
#define	rte_cpu_to_be_16(x)   rte_bswap16(x)
#define	rte_cpu_to_be_32(x)   rte_bswap32(x)
#define	rte_cpu_to_be_64(x)   rte_bswap64(x)
#define	rte_le_to_cpu_16(x)   (x)
#define	rte_le_to_cpu_32(x)   (x)
#define	rte_le_to_cpu_64(x)   (x)
#define	rte_be_to_cpu_16(x)   rte_bswap16(x)
#define	rte_be_to_cpu_32(x)   rte_bswap32(x)
#define	rte_be_to_cpu_64(x)   rte_bswap64(x)

Detailed Description

Byte Swap Operations

This file defines a generic API for byte swap operations. Part of the implementation is architecture-specific.

Macro Definition Documentation

#define rte_be_to_cpu_16

(

x

)

rte_bswap16(x)

Convert a 16-bit value from big endian to CPU order.

#define rte_be_to_cpu_32

(

x

)

rte_bswap32(x)

Convert a 32-bit value from big endian to CPU order.

#define rte_be_to_cpu_64

(

x

)

rte_bswap64(x)

Convert a 64-bit value from big endian to CPU order.

#define rte_bswap16

(

x

)

Value:

((uint16_t)(__builtin_constant_p(x) ?           \
                                   rte_constant_bswap16(x) :            \
                                   rte_arch_bswap16(x)))

Swap bytes in a 16-bit value.

#define rte_bswap32

(

x

)

Value:

((uint32_t)(__builtin_constant_p(x) ?           \
                                   rte_constant_bswap32(x) :            \
                                   rte_arch_bswap32(x)))

Swap bytes in a 32-bit value.

#define rte_bswap64

(

x

)

Value:

((uint64_t)(__builtin_constant_p(x) ?           \
                                   rte_constant_bswap64(x) :            \
                                   rte_arch_bswap64(x)))

Swap bytes in a 64-bit value.

#define rte_cpu_to_be_16

(

x

)

rte_bswap16(x)

Convert a 16-bit value from CPU order to big endian.

#define rte_cpu_to_be_32

(

x

)

rte_bswap32(x)

Convert a 32-bit value from CPU order to big endian.

#define rte_cpu_to_be_64

(

x

)

rte_bswap64(x)

Convert a 64-bit value from CPU order to big endian.

#define rte_cpu_to_le_16

(

x

)

(x)

Convert a 16-bit value from CPU order to little endian.

#define rte_cpu_to_le_32

(

x

)

(x)

Convert a 32-bit value from CPU order to little endian.

#define rte_cpu_to_le_64

(

x

)

(x)

Convert a 64-bit value from CPU order to little endian.

#define rte_le_to_cpu_16

(

x

)

(x)

Convert a 16-bit value from little endian to CPU order.

#define rte_le_to_cpu_32

(

x

)

(x)

Convert a 32-bit value from little endian to CPU order.

#define rte_le_to_cpu_64

(

x

)

(x)

Convert a 64-bit value from little endian to CPU order.