34 #ifndef _RTE_BYTEORDER_H_ 35 #define _RTE_BYTEORDER_H_ 47 #ifdef RTE_EXEC_ENV_BSDAPP 48 #include <sys/endian.h> 58 #define RTE_BIG_ENDIAN 1 59 #define RTE_LITTLE_ENDIAN 2 60 #if defined __BYTE_ORDER__ 61 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 62 #define RTE_BYTE_ORDER RTE_BIG_ENDIAN 63 #elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 64 #define RTE_BYTE_ORDER RTE_LITTLE_ENDIAN 66 #elif defined __BYTE_ORDER 67 #if __BYTE_ORDER == __BIG_ENDIAN 68 #define RTE_BYTE_ORDER RTE_BIG_ENDIAN 69 #elif __BYTE_ORDER == __LITTLE_ENDIAN 70 #define RTE_BYTE_ORDER RTE_LITTLE_ENDIAN 72 #elif defined __BIG_ENDIAN__ 73 #define RTE_BYTE_ORDER RTE_BIG_ENDIAN 74 #elif defined __LITTLE_ENDIAN__ 75 #define RTE_BYTE_ORDER RTE_LITTLE_ENDIAN 77 #if !defined(RTE_BYTE_ORDER) 78 #error Unknown endianness. 81 #define RTE_STATIC_BSWAP16(v) \ 82 ((((uint16_t)(v) & UINT16_C(0x00ff)) << 8) | \ 83 (((uint16_t)(v) & UINT16_C(0xff00)) >> 8)) 85 #define RTE_STATIC_BSWAP32(v) \ 86 ((((uint32_t)(v) & UINT32_C(0x000000ff)) << 24) | \ 87 (((uint32_t)(v) & UINT32_C(0x0000ff00)) << 8) | \ 88 (((uint32_t)(v) & UINT32_C(0x00ff0000)) >> 8) | \ 89 (((uint32_t)(v) & UINT32_C(0xff000000)) >> 24)) 91 #define RTE_STATIC_BSWAP64(v) \ 92 ((((uint64_t)(v) & UINT64_C(0x00000000000000ff)) << 56) | \ 93 (((uint64_t)(v) & UINT64_C(0x000000000000ff00)) << 40) | \ 94 (((uint64_t)(v) & UINT64_C(0x0000000000ff0000)) << 24) | \ 95 (((uint64_t)(v) & UINT64_C(0x00000000ff000000)) << 8) | \ 96 (((uint64_t)(v) & UINT64_C(0x000000ff00000000)) >> 8) | \ 97 (((uint64_t)(v) & UINT64_C(0x0000ff0000000000)) >> 24) | \ 98 (((uint64_t)(v) & UINT64_C(0x00ff000000000000)) >> 40) | \ 99 (((uint64_t)(v) & UINT64_C(0xff00000000000000)) >> 56)) 113 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN 114 #define RTE_BE16(v) (rte_be16_t)(v) 115 #define RTE_BE32(v) (rte_be32_t)(v) 116 #define RTE_BE64(v) (rte_be64_t)(v) 117 #define RTE_LE16(v) (rte_le16_t)(RTE_STATIC_BSWAP16(v)) 118 #define RTE_LE32(v) (rte_le32_t)(RTE_STATIC_BSWAP32(v)) 119 #define RTE_LE64(v) (rte_le64_t)(RTE_STATIC_BSWAP64(v)) 120 #elif RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN 121 #define RTE_BE16(v) (rte_be16_t)(RTE_STATIC_BSWAP16(v)) 122 #define RTE_BE32(v) (rte_be32_t)(RTE_STATIC_BSWAP32(v)) 123 #define RTE_BE64(v) (rte_be64_t)(RTE_STATIC_BSWAP64(v)) 124 #define RTE_LE16(v) (rte_be16_t)(v) 125 #define RTE_LE32(v) (rte_be32_t)(v) 126 #define RTE_LE64(v) (rte_be64_t)(v) 128 #error Unsupported endianness. 151 static inline uint16_t
152 rte_constant_bswap16(uint16_t x)
154 return RTE_STATIC_BSWAP16(x);
163 static inline uint32_t
164 rte_constant_bswap32(uint32_t x)
166 return RTE_STATIC_BSWAP32(x);
175 static inline uint64_t
176 rte_constant_bswap64(uint64_t x)
178 return RTE_STATIC_BSWAP64(x);
264 #ifdef RTE_FORCE_INTRINSICS 265 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) 266 #define rte_bswap16(x) __builtin_bswap16(x) 269 #define rte_bswap32(x) __builtin_bswap32(x) 271 #define rte_bswap64(x) __builtin_bswap64(x)
static rte_le64_t rte_cpu_to_le_64(uint64_t x)
static uint16_t rte_bswap16(uint16_t _x)
static uint32_t rte_le_to_cpu_32(rte_le32_t x)
static rte_le16_t rte_cpu_to_le_16(uint16_t x)
static rte_be32_t rte_cpu_to_be_32(uint32_t x)
static uint32_t rte_bswap32(uint32_t x)
static rte_be16_t rte_cpu_to_be_16(uint16_t x)
static uint64_t rte_bswap64(uint64_t x)
static uint64_t rte_be_to_cpu_64(rte_be64_t x)
static rte_le32_t rte_cpu_to_le_32(uint32_t x)
static uint64_t rte_le_to_cpu_64(rte_le64_t x)
static uint32_t rte_be_to_cpu_32(rte_be32_t x)
static uint16_t rte_be_to_cpu_16(rte_be16_t x)
static uint16_t rte_le_to_cpu_16(rte_le16_t x)
static rte_be64_t rte_cpu_to_be_64(uint64_t x)