github.com/cilium/cilium@v1.16.2/bpf/include/linux/byteorder/little_endian.h (about)

     1  /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2  /* Copyright Authors of the Linux kernel */
     3  #pragma once
     4  
     5  #ifndef __LITTLE_ENDIAN
     6  #define __LITTLE_ENDIAN 1234
     7  #endif
     8  #ifndef __LITTLE_ENDIAN_BITFIELD
     9  #define __LITTLE_ENDIAN_BITFIELD
    10  #endif
    11  
    12  #include <linux/types.h>
    13  #include <linux/swab.h>
    14  
    15  #define __constant_htonl(x) ((__be32)___constant_swab32((x)))
    16  #define __constant_ntohl(x) ___constant_swab32((__be32)(x))
    17  #define __constant_htons(x) ((__be16)___constant_swab16((x)))
    18  #define __constant_ntohs(x) ___constant_swab16((__be16)(x))
    19  #define __constant_cpu_to_le64(x) ((__le64)(__u64)(x))
    20  #define __constant_le64_to_cpu(x) ((__u64)(__le64)(x))
    21  #define __constant_cpu_to_le32(x) ((__le32)(__u32)(x))
    22  #define __constant_le32_to_cpu(x) ((__u32)(__le32)(x))
    23  #define __constant_cpu_to_le16(x) ((__le16)(__u16)(x))
    24  #define __constant_le16_to_cpu(x) ((__u16)(__le16)(x))
    25  #define __constant_cpu_to_be64(x) ((__be64)___constant_swab64((x)))
    26  #define __constant_be64_to_cpu(x) ___constant_swab64((__u64)(__be64)(x))
    27  #define __constant_cpu_to_be32(x) ((__be32)___constant_swab32((x)))
    28  #define __constant_be32_to_cpu(x) ___constant_swab32((__u32)(__be32)(x))
    29  #define __constant_cpu_to_be16(x) ((__be16)___constant_swab16((x)))
    30  #define __constant_be16_to_cpu(x) ___constant_swab16((__u16)(__be16)(x))
    31  #define __cpu_to_le64(x) ((__le64)(__u64)(x))
    32  #define __le64_to_cpu(x) ((__u64)(__le64)(x))
    33  #define __cpu_to_le32(x) ((__le32)(__u32)(x))
    34  #define __le32_to_cpu(x) ((__u32)(__le32)(x))
    35  #define __cpu_to_le16(x) ((__le16)(__u16)(x))
    36  #define __le16_to_cpu(x) ((__u16)(__le16)(x))
    37  #define __cpu_to_be64(x) ((__be64)__swab64((x)))
    38  #define __be64_to_cpu(x) __swab64((__u64)(__be64)(x))
    39  #define __cpu_to_be32(x) ((__be32)__swab32((x)))
    40  #define __be32_to_cpu(x) __swab32((__u32)(__be32)(x))
    41  #define __cpu_to_be16(x) ((__be16)__swab16((x)))
    42  #define __be16_to_cpu(x) __swab16((__u16)(__be16)(x))
    43  
    44  static __inline__ __le64 __cpu_to_le64p(const __u64 *p)
    45  {
    46  	return (__le64)*p;
    47  }
    48  static __inline__ __u64 __le64_to_cpup(const __le64 *p)
    49  {
    50  	return (__u64)*p;
    51  }
    52  static __inline__ __le32 __cpu_to_le32p(const __u32 *p)
    53  {
    54  	return (__le32)*p;
    55  }
    56  static __inline__ __u32 __le32_to_cpup(const __le32 *p)
    57  {
    58  	return (__u32)*p;
    59  }
    60  static __inline__ __le16 __cpu_to_le16p(const __u16 *p)
    61  {
    62  	return (__le16)*p;
    63  }
    64  static __inline__ __u16 __le16_to_cpup(const __le16 *p)
    65  {
    66  	return (__u16)*p;
    67  }
    68  static __inline__ __be64 __cpu_to_be64p(const __u64 *p)
    69  {
    70  	return (__be64)__swab64p(p);
    71  }
    72  static __inline__ __u64 __be64_to_cpup(const __be64 *p)
    73  {
    74  	return __swab64p((__u64 *)p);
    75  }
    76  static __inline__ __be32 __cpu_to_be32p(const __u32 *p)
    77  {
    78  	return (__be32)__swab32p(p);
    79  }
    80  static __inline__ __u32 __be32_to_cpup(const __be32 *p)
    81  {
    82  	return __swab32p((__u32 *)p);
    83  }
    84  static __inline__ __be16 __cpu_to_be16p(const __u16 *p)
    85  {
    86  	return (__be16)__swab16p(p);
    87  }
    88  static __inline__ __u16 __be16_to_cpup(const __be16 *p)
    89  {
    90  	return __swab16p((__u16 *)p);
    91  }
    92  #define __cpu_to_le64s(x) do { (void)(x); } while (0)
    93  #define __le64_to_cpus(x) do { (void)(x); } while (0)
    94  #define __cpu_to_le32s(x) do { (void)(x); } while (0)
    95  #define __le32_to_cpus(x) do { (void)(x); } while (0)
    96  #define __cpu_to_le16s(x) do { (void)(x); } while (0)
    97  #define __le16_to_cpus(x) do { (void)(x); } while (0)
    98  #define __cpu_to_be64s(x) __swab64s((x))
    99  #define __be64_to_cpus(x) __swab64s((x))
   100  #define __cpu_to_be32s(x) __swab32s((x))
   101  #define __be32_to_cpus(x) __swab32s((x))
   102  #define __cpu_to_be16s(x) __swab16s((x))
   103  #define __be16_to_cpus(x) __swab16s((x))