34 #ifndef _RTE_BYTEORDER_H_ 35 #define _RTE_BYTEORDER_H_ 47 #ifdef RTE_EXEC_ENV_BSDAPP 48 #include <sys/endian.h> 54 #include <rte_config.h> 59 #define RTE_BIG_ENDIAN 1 60 #define RTE_LITTLE_ENDIAN 2 61 #if defined __BYTE_ORDER__ 62 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 63 #define RTE_BYTE_ORDER RTE_BIG_ENDIAN 64 #elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 65 #define RTE_BYTE_ORDER RTE_LITTLE_ENDIAN 67 #elif defined __BYTE_ORDER 68 #if __BYTE_ORDER == __BIG_ENDIAN 69 #define RTE_BYTE_ORDER RTE_BIG_ENDIAN 70 #elif __BYTE_ORDER == __LITTLE_ENDIAN 71 #define RTE_BYTE_ORDER RTE_LITTLE_ENDIAN 73 #elif defined __BIG_ENDIAN__ 74 #define RTE_BYTE_ORDER RTE_BIG_ENDIAN 75 #elif defined __LITTLE_ENDIAN__ 76 #define RTE_BYTE_ORDER RTE_LITTLE_ENDIAN 78 #if !defined(RTE_BYTE_ORDER) 79 #error Unknown endianness. 82 #define RTE_STATIC_BSWAP16(v) \ 83 ((((uint16_t)(v) & UINT16_C(0x00ff)) << 8) | \ 84 (((uint16_t)(v) & UINT16_C(0xff00)) >> 8)) 86 #define RTE_STATIC_BSWAP32(v) \ 87 ((((uint32_t)(v) & UINT32_C(0x000000ff)) << 24) | \ 88 (((uint32_t)(v) & UINT32_C(0x0000ff00)) << 8) | \ 89 (((uint32_t)(v) & UINT32_C(0x00ff0000)) >> 8) | \ 90 (((uint32_t)(v) & UINT32_C(0xff000000)) >> 24)) 92 #define RTE_STATIC_BSWAP64(v) \ 93 ((((uint64_t)(v) & UINT64_C(0x00000000000000ff)) << 56) | \ 94 (((uint64_t)(v) & UINT64_C(0x000000000000ff00)) << 40) | \ 95 (((uint64_t)(v) & UINT64_C(0x0000000000ff0000)) << 24) | \ 96 (((uint64_t)(v) & UINT64_C(0x00000000ff000000)) << 8) | \ 97 (((uint64_t)(v) & UINT64_C(0x000000ff00000000)) >> 8) | \ 98 (((uint64_t)(v) & UINT64_C(0x0000ff0000000000)) >> 24) | \ 99 (((uint64_t)(v) & UINT64_C(0x00ff000000000000)) >> 40) | \ 100 (((uint64_t)(v) & UINT64_C(0xff00000000000000)) >> 56)) 114 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN 115 #define RTE_BE16(v) (rte_be16_t)(v) 116 #define RTE_BE32(v) (rte_be32_t)(v) 117 #define RTE_BE64(v) (rte_be64_t)(v) 118 #define RTE_LE16(v) (rte_le16_t)(RTE_STATIC_BSWAP16(v)) 119 #define RTE_LE32(v) (rte_le32_t)(RTE_STATIC_BSWAP32(v)) 120 #define RTE_LE64(v) (rte_le64_t)(RTE_STATIC_BSWAP64(v)) 121 #elif RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN 122 #define RTE_BE16(v) (rte_be16_t)(RTE_STATIC_BSWAP16(v)) 123 #define RTE_BE32(v) (rte_be32_t)(RTE_STATIC_BSWAP32(v)) 124 #define RTE_BE64(v) (rte_be64_t)(RTE_STATIC_BSWAP64(v)) 125 #define RTE_LE16(v) (rte_be16_t)(v) 126 #define RTE_LE32(v) (rte_be32_t)(v) 127 #define RTE_LE64(v) (rte_be64_t)(v) 129 #error Unsupported endianness. 152 static inline uint16_t
153 rte_constant_bswap16(uint16_t x)
155 return RTE_STATIC_BSWAP16(x);
164 static inline uint32_t
165 rte_constant_bswap32(uint32_t x)
167 return RTE_STATIC_BSWAP32(x);
176 static inline uint64_t
177 rte_constant_bswap64(uint64_t x)
179 return RTE_STATIC_BSWAP64(x);
265 #ifdef RTE_FORCE_INTRINSICS 266 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) 267 #define rte_bswap16(x) __builtin_bswap16(x) 270 #define rte_bswap32(x) __builtin_bswap32(x) 272 #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)