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#ifndef _LINUX_BYTEORDER_H#define _LINUX_BYTEORDER_H #include <linux/types.h>#include <linux/swab.h> #if defined(__LITTLE_ENDIAN) && defined(__BIG_ENDIAN)# error Fix asm/byteorder.h to define one endianness#endif #if !defined(__LITTLE_ENDIAN) && !defined(__BIG_ENDIAN)# error Fix asm/byteorder.h to define arch endianness#endif #ifdef __LITTLE_ENDIAN# undef __LITTLE_ENDIAN# define __LITTLE_ENDIAN 1234#endif #ifdef __BIG_ENDIAN# undef __BIG_ENDIAN# define __BIG_ENDIAN 4321#endif #if defined(__LITTLE_ENDIAN) && !defined(__LITTLE_ENDIAN_BITFIELD)# define __LITTLE_ENDIAN_BITFIELD#endif #if defined(__BIG_ENDIAN) && !defined(__BIG_ENDIAN_BITFIELD)# define __BIG_ENDIAN_BITFIELD#endif #ifdef __LITTLE_ENDIAN# define __le16_to_cpu(x) ((__force __u16)(__le16)(x))# define __le32_to_cpu(x) ((__force __u32)(__le32)(x))# define __le64_to_cpu(x) ((__force __u64)(__le64)(x))# define __cpu_to_le16(x) ((__force __le16)(__u16)(x))# define __cpu_to_le32(x) ((__force __le32)(__u32)(x))# define __cpu_to_le64(x) ((__force __le64)(__u64)(x)) # define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x))# define __be32_to_cpu(x) __swab32((__force __u32)(__be32)(x))# define __be64_to_cpu(x) __swab64((__force __u64)(__be64)(x))# define __cpu_to_be16(x) ((__force __be16)__swab16(x))# define __cpu_to_be32(x) ((__force __be32)__swab32(x))# define __cpu_to_be64(x) ((__force __be64)__swab64(x))#endif #ifdef __BIG_ENDIAN# define __be16_to_cpu(x) ((__force __u16)(__be16)(x))# define __be32_to_cpu(x) ((__force __u32)(__be32)(x))# define __be64_to_cpu(x) ((__force __u64)(__be64)(x))# define __cpu_to_be16(x) ((__force __be16)(__u16)(x))# define __cpu_to_be32(x) ((__force __be32)(__u32)(x))# define __cpu_to_be64(x) ((__force __be64)(__u64)(x)) # define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))# define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))# define __le64_to_cpu(x) __swab64((__force __u64)(__le64)(x))# define __cpu_to_le16(x) ((__force __le16)__swab16(x))# define __cpu_to_le32(x) ((__force __le32)__swab32(x))# define __cpu_to_le64(x) ((__force __le64)__swab64(x))#endif /* * These helpers could be phased out over time as the base version * handles constant folding. */#define __constant_htonl(x) __cpu_to_be32(x)#define __constant_ntohl(x) __be32_to_cpu(x)#define __constant_htons(x) __cpu_to_be16(x)#define __constant_ntohs(x) __be16_to_cpu(x) #define __constant_le16_to_cpu(x) __le16_to_cpu(x)#define __constant_le32_to_cpu(x) __le32_to_cpu(x)#define __constant_le64_to_cpu(x) __le64_to_cpu(x)#define __constant_be16_to_cpu(x) __be16_to_cpu(x)#define __constant_be32_to_cpu(x) __be32_to_cpu(x)#define __constant_be64_to_cpu(x) __be64_to_cpu(x) #define __constant_cpu_to_le16(x) __cpu_to_le16(x)#define __constant_cpu_to_le32(x) __cpu_to_le32(x)#define __constant_cpu_to_le64(x) __cpu_to_le64(x)#define __constant_cpu_to_be16(x) __cpu_to_be16(x)#define __constant_cpu_to_be32(x) __cpu_to_be32(x)#define __constant_cpu_to_be64(x) __cpu_to_be64(x) static inline void __le16_to_cpus(__u16 *p){#ifdef __BIG_ENDIAN	__swab16s(p);#endif} static inline void __cpu_to_le16s(__u16 *p){#ifdef __BIG_ENDIAN	__swab16s(p);#endif} static inline void __le32_to_cpus(__u32 *p){#ifdef __BIG_ENDIAN	__swab32s(p);#endif} static inline void __cpu_to_le32s(__u32 *p){#ifdef __BIG_ENDIAN	__swab32s(p);#endif} static inline void __le64_to_cpus(__u64 *p){#ifdef __BIG_ENDIAN	__swab64s(p);#endif} static inline void __cpu_to_le64s(__u64 *p){#ifdef __BIG_ENDIAN	__swab64s(p);#endif} static inline void __be16_to_cpus(__u16 *p){#ifdef __LITTLE_ENDIAN	__swab16s(p);#endif} static inline void __cpu_to_be16s(__u16 *p){#ifdef __LITTLE_ENDIAN	__swab16s(p);#endif} static inline void __be32_to_cpus(__u32 *p){#ifdef __LITTLE_ENDIAN	__swab32s(p);#endif} static inline void __cpu_to_be32s(__u32 *p){#ifdef __LITTLE_ENDIAN	__swab32s(p);#endif} static inline void __be64_to_cpus(__u64 *p){#ifdef __LITTLE_ENDIAN	__swab64s(p);#endif} static inline void __cpu_to_be64s(__u64 *p){#ifdef __LITTLE_ENDIAN	__swab64s(p);#endif} static inline __u16 __le16_to_cpup(const __le16 *p){#ifdef __LITTLE_ENDIAN	return (__force __u16)*p;#else	return __swab16p((__force __u16 *)p);#endif} static inline __u32 __le32_to_cpup(const __le32 *p){#ifdef __LITTLE_ENDIAN	return (__force __u32)*p;#else	return __swab32p((__force __u32 *)p);#endif} static inline __u64 __le64_to_cpup(const __le64 *p){#ifdef __LITTLE_ENDIAN	return (__force __u64)*p;#else	return __swab64p((__force __u64 *)p);#endif} static inline __le16 __cpu_to_le16p(const __u16 *p){#ifdef __LITTLE_ENDIAN	return (__force __le16)*p;#else	return (__force __le16)__swab16p(p);#endif} static inline __le32 __cpu_to_le32p(const __u32 *p){#ifdef __LITTLE_ENDIAN	return (__force __le32)*p;#else	return (__force __le32)__swab32p(p);#endif} static inline __le64 __cpu_to_le64p(const __u64 *p){#ifdef __LITTLE_ENDIAN	return (__force __le64)*p;#else	return (__force __le64)__swab64p(p);#endif} static inline __u16 __be16_to_cpup(const __be16 *p){#ifdef __BIG_ENDIAN	return (__force __u16)*p;#else	return __swab16p((__force __u16 *)p);#endif} static inline __u32 __be32_to_cpup(const __be32 *p){#ifdef __BIG_ENDIAN	return (__force __u32)*p;#else	return __swab32p((__force __u32 *)p);#endif} static inline __u64 __be64_to_cpup(const __be64 *p){#ifdef __BIG_ENDIAN	return (__force __u64)*p;#else	return __swab64p((__force __u64 *)p);#endif} static inline __be16 __cpu_to_be16p(const __u16 *p){#ifdef __BIG_ENDIAN	return (__force __be16)*p;#else	return (__force __be16)__swab16p(p);#endif} static inline __be32 __cpu_to_be32p(const __u32 *p){#ifdef __BIG_ENDIAN	return (__force __be32)*p;#else	return (__force __be32)__swab32p(p);#endif} static inline __be64 __cpu_to_be64p(const __u64 *p){#ifdef __BIG_ENDIAN	return (__force __be64)*p;#else	return (__force __be64)__swab64p(p);#endif} #ifdef __KERNEL__ # define le16_to_cpu __le16_to_cpu# define le32_to_cpu __le32_to_cpu# define le64_to_cpu __le64_to_cpu# define be16_to_cpu __be16_to_cpu# define be32_to_cpu __be32_to_cpu# define be64_to_cpu __be64_to_cpu# define cpu_to_le16 __cpu_to_le16# define cpu_to_le32 __cpu_to_le32# define cpu_to_le64 __cpu_to_le64# define cpu_to_be16 __cpu_to_be16# define cpu_to_be32 __cpu_to_be32# define cpu_to_be64 __cpu_to_be64 # define le16_to_cpup __le16_to_cpup# define le32_to_cpup __le32_to_cpup# define le64_to_cpup __le64_to_cpup# define be16_to_cpup __be16_to_cpup# define be32_to_cpup __be32_to_cpup# define be64_to_cpup __be64_to_cpup# define cpu_to_le16p __cpu_to_le16p# define cpu_to_le32p __cpu_to_le32p# define cpu_to_le64p __cpu_to_le64p# define cpu_to_be16p __cpu_to_be16p# define cpu_to_be32p __cpu_to_be32p# define cpu_to_be64p __cpu_to_be64p # define le16_to_cpus __le16_to_cpus# define le32_to_cpus __le32_to_cpus# define le64_to_cpus __le64_to_cpus# define be16_to_cpus __be16_to_cpus# define be32_to_cpus __be32_to_cpus# define be64_to_cpus __be64_to_cpus# define cpu_to_le16s __cpu_to_le16s# define cpu_to_le32s __cpu_to_le32s# define cpu_to_le64s __cpu_to_le64s# define cpu_to_be16s __cpu_to_be16s# define cpu_to_be32s __cpu_to_be32s# define cpu_to_be64s __cpu_to_be64s /* * They have to be macros in order to do the constant folding * correctly - if the argument passed into a inline function * it is no longer constant according to gcc.. */# undef ntohl# undef ntohs# undef htonl# undef htons # define ___htonl(x) __cpu_to_be32(x)# define ___htons(x) __cpu_to_be16(x)# define ___ntohl(x) __be32_to_cpu(x)# define ___ntohs(x) __be16_to_cpu(x) # define htonl(x) ___htonl(x)# define ntohl(x) ___ntohl(x)# define htons(x) ___htons(x)# define ntohs(x) ___ntohs(x) static inline void le16_add_cpu(__le16 *var, u16 val){	*var = cpu_to_le16(le16_to_cpup(var) + val);} static inline void le32_add_cpu(__le32 *var, u32 val){	*var = cpu_to_le32(le32_to_cpup(var) + val);} static inline void le64_add_cpu(__le64 *var, u64 val){	*var = cpu_to_le64(le64_to_cpup(var) + val);} static inline void be16_add_cpu(__be16 *var, u16 val){	*var = cpu_to_be16(be16_to_cpup(var) + val);} static inline void be32_add_cpu(__be32 *var, u32 val){	*var = cpu_to_be32(be32_to_cpup(var) + val);} static inline void be64_add_cpu(__be64 *var, u64 val){	*var = cpu_to_be64(be64_to_cpup(var) + val);} #endif /* __KERNEL__ */#endif /* _LINUX_BYTEORDER_H */