# define cpu_to_le32(x) (x)
# define le64_to_cpu(x) (x)
# define cpu_to_le64(x) (x)
+
+# define be16_to_cpu(x) bswap_16(x)
+# define cpu_to_be16(x) bswap_16(x)
+# define be32_to_cpu(x) bswap_32(x)
+# define cpu_to_be32(x) bswap_32(x)
+# define be64_to_cpu(x) bswap_64(x)
+# define cpu_to_be64(x) bswap_64(x)
+
# else
# if __BYTE_ORDER == __BIG_ENDIAN
# define le16_to_cpu(x) bswap_16(x)
# define cpu_to_le32(x) bswap_32(x)
# define le64_to_cpu(x) bswap_64(x)
# define cpu_to_le64(x) bswap_64(x)
+
+# define be16_to_cpu(x) (x)
+# define cpu_to_be16(x) (x)
+# define be32_to_cpu(x) (x)
+# define cpu_to_be32(x) (x)
+# define be64_to_cpu(x) (x)
+# define cpu_to_be64(x) (x)
+
# else
# error "Unknown byte order"
# endif /* __BIG_ENDIAN */