5#ifndef _RTE_BYTEORDER_H_
6#define _RTE_BYTEORDER_H_
18#ifdef RTE_EXEC_ENV_FREEBSD
19#include <sys/endian.h>
20#elif defined RTE_EXEC_ENV_LINUX
25#include <rte_config.h>
30#define RTE_BIG_ENDIAN 1
31#define RTE_LITTLE_ENDIAN 2
32#if defined __BYTE_ORDER__
33#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
34#define RTE_BYTE_ORDER RTE_BIG_ENDIAN
35#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
36#define RTE_BYTE_ORDER RTE_LITTLE_ENDIAN
38#elif defined __BYTE_ORDER
39#if __BYTE_ORDER == __BIG_ENDIAN
40#define RTE_BYTE_ORDER RTE_BIG_ENDIAN
41#elif __BYTE_ORDER == __LITTLE_ENDIAN
42#define RTE_BYTE_ORDER RTE_LITTLE_ENDIAN
44#elif defined __BIG_ENDIAN__
45#define RTE_BYTE_ORDER RTE_BIG_ENDIAN
46#elif defined __LITTLE_ENDIAN__
47#define RTE_BYTE_ORDER RTE_LITTLE_ENDIAN
49#if !defined(RTE_BYTE_ORDER)
50#error Unknown endianness.
53#define RTE_STATIC_BSWAP16(v) \
54 ((((uint16_t)(v) & UINT16_C(0x00ff)) << 8) | \
55 (((uint16_t)(v) & UINT16_C(0xff00)) >> 8))
57#define RTE_STATIC_BSWAP32(v) \
58 ((((uint32_t)(v) & UINT32_C(0x000000ff)) << 24) | \
59 (((uint32_t)(v) & UINT32_C(0x0000ff00)) << 8) | \
60 (((uint32_t)(v) & UINT32_C(0x00ff0000)) >> 8) | \
61 (((uint32_t)(v) & UINT32_C(0xff000000)) >> 24))
63#define RTE_STATIC_BSWAP64(v) \
64 ((((uint64_t)(v) & UINT64_C(0x00000000000000ff)) << 56) | \
65 (((uint64_t)(v) & UINT64_C(0x000000000000ff00)) << 40) | \
66 (((uint64_t)(v) & UINT64_C(0x0000000000ff0000)) << 24) | \
67 (((uint64_t)(v) & UINT64_C(0x00000000ff000000)) << 8) | \
68 (((uint64_t)(v) & UINT64_C(0x000000ff00000000)) >> 8) | \
69 (((uint64_t)(v) & UINT64_C(0x0000ff0000000000)) >> 24) | \
70 (((uint64_t)(v) & UINT64_C(0x00ff000000000000)) >> 40) | \
71 (((uint64_t)(v) & UINT64_C(0xff00000000000000)) >> 56))
85#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
86#define RTE_BE16(v) (rte_be16_t)(v)
87#define RTE_BE32(v) (rte_be32_t)(v)
88#define RTE_BE64(v) (rte_be64_t)(v)
89#define RTE_LE16(v) (rte_le16_t)(RTE_STATIC_BSWAP16(v))
90#define RTE_LE32(v) (rte_le32_t)(RTE_STATIC_BSWAP32(v))
91#define RTE_LE64(v) (rte_le64_t)(RTE_STATIC_BSWAP64(v))
92#elif RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
93#define RTE_BE16(v) (rte_be16_t)(RTE_STATIC_BSWAP16(v))
94#define RTE_BE32(v) (rte_be32_t)(RTE_STATIC_BSWAP32(v))
95#define RTE_BE64(v) (rte_be64_t)(RTE_STATIC_BSWAP64(v))
96#define RTE_LE16(v) (rte_le16_t)(v)
97#define RTE_LE32(v) (rte_le32_t)(v)
98#define RTE_LE64(v) (rte_le64_t)(v)
100#error Unsupported endianness.
123static inline uint16_t
124rte_constant_bswap16(uint16_t x)
126 return (uint16_t)RTE_STATIC_BSWAP16(x);
135static inline uint32_t
136rte_constant_bswap32(uint32_t x)
138 return (uint32_t)RTE_STATIC_BSWAP32(x);
147static inline uint64_t
148rte_constant_bswap64(uint64_t x)
150 return (uint64_t)RTE_STATIC_BSWAP64(x);
236#ifdef RTE_FORCE_INTRINSICS
237#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
238#define rte_bswap16(x) __builtin_bswap16(x)
241#define rte_bswap32(x) __builtin_bswap32(x)
243#define rte_bswap64(x) __builtin_bswap64(x)
static uint16_t rte_be_to_cpu_16(rte_be16_t x)
static uint32_t rte_be_to_cpu_32(rte_be32_t x)
static uint64_t rte_bswap64(uint64_t x)
static uint16_t rte_le_to_cpu_16(rte_le16_t x)
static uint64_t rte_le_to_cpu_64(rte_le64_t x)
static rte_be32_t rte_cpu_to_be_32(uint32_t x)
static rte_be16_t rte_cpu_to_be_16(uint16_t x)
static uint64_t rte_be_to_cpu_64(rte_be64_t x)
static uint16_t rte_bswap16(uint16_t _x)
static rte_le16_t rte_cpu_to_le_16(uint16_t x)
static uint32_t rte_bswap32(uint32_t x)
static rte_be64_t rte_cpu_to_be_64(uint64_t x)
static rte_le32_t rte_cpu_to_le_32(uint32_t x)
static rte_le64_t rte_cpu_to_le_64(uint64_t x)
static uint32_t rte_le_to_cpu_32(rte_le32_t x)