((u32)((((u32)(val) & (u32)0x0000ffffU) << 16) | \
(((u32)(val) & (u32)0xffff0000U) >> 16)))
-/* Byte swapping macros
- * Host <=> Network (Big Endian) for 16- and 32-bit values
- * Host <=> Little-Endian for 16- and 32-bit values
- */
-#ifndef hton16
-#ifndef IL_BIGENDIAN
-#define HTON16(i) BCMSWAP16(i)
-#define hton16(i) bcmswap16(i)
-#define HTON32(i) BCMSWAP32(i)
-#define hton32(i) bcmswap32(i)
-#define NTOH16(i) BCMSWAP16(i)
-#define ntoh16(i) bcmswap16(i)
-#define NTOH32(i) BCMSWAP32(i)
-#define ntoh32(i) bcmswap32(i)
-#define LTOH16(i) (i)
-#define ltoh16(i) (i)
-#define LTOH32(i) (i)
-#define ltoh32(i) (i)
-#define HTOL16(i) (i)
-#define htol16(i) (i)
-#define HTOL32(i) (i)
-#define htol32(i) (i)
-#else /* IL_BIGENDIAN */
-#define HTON16(i) (i)
-#define hton16(i) (i)
-#define HTON32(i) (i)
-#define hton32(i) (i)
-#define NTOH16(i) (i)
-#define ntoh16(i) (i)
-#define NTOH32(i) (i)
-#define ntoh32(i) (i)
-#define LTOH16(i) BCMSWAP16(i)
-#define ltoh16(i) bcmswap16(i)
-#define LTOH32(i) BCMSWAP32(i)
-#define ltoh32(i) bcmswap32(i)
-#define HTOL16(i) BCMSWAP16(i)
-#define htol16(i) bcmswap16(i)
-#define HTOL32(i) BCMSWAP32(i)
-#define htol32(i) bcmswap32(i)
-#endif /* IL_BIGENDIAN */
-#endif /* hton16 */
-
#ifndef IL_BIGENDIAN
#define ltoh16_buf(buf, i)
#define htol16_buf(buf, i)
#define htol16_buf(buf, i) bcmswap16_buf((u16 *)(buf), (i))
#endif /* IL_BIGENDIAN */
-/* Unaligned loads and stores in host byte order */
-#ifndef IL_BIGENDIAN
-#define load32_ua(a) ltoh32_ua(a)
-#define store32_ua(a, v) htol32_ua_store(v, a)
-#define load16_ua(a) ltoh16_ua(a)
-#define store16_ua(a, v) htol16_ua_store(v, a)
-#else
-#define load32_ua(a) ntoh32_ua(a)
-#define store32_ua(a, v) hton32_ua_store(v, a)
-#define load16_ua(a) ntoh16_ua(a)
-#define store16_ua(a, v) hton16_ua_store(v, a)
-#endif /* IL_BIGENDIAN */
-
-#define _LTOH16_UA(cp) ((cp)[0] | ((cp)[1] << 8))
-#define _LTOH32_UA(cp) ((cp)[0] | ((cp)[1] << 8) | ((cp)[2] << 16) | ((cp)[3] << 24))
-#define _NTOH16_UA(cp) (((cp)[0] << 8) | (cp)[1])
-#define _NTOH32_UA(cp) (((cp)[0] << 24) | ((cp)[1] << 16) | ((cp)[2] << 8) | (cp)[3])
-
-#define ltoh_ua(ptr) \
- (sizeof(*(ptr)) == sizeof(u8) ? *(const u8 *)(ptr) : \
- sizeof(*(ptr)) == sizeof(u16) ? _LTOH16_UA((const u8 *)(ptr)) : \
- sizeof(*(ptr)) == sizeof(u32) ? _LTOH32_UA((const u8 *)(ptr)) : \
- *(u8 *)0)
-
-#define ntoh_ua(ptr) \
- (sizeof(*(ptr)) == sizeof(u8) ? *(const u8 *)(ptr) : \
- sizeof(*(ptr)) == sizeof(u16) ? _NTOH16_UA((const u8 *)(ptr)) : \
- sizeof(*(ptr)) == sizeof(u32) ? _NTOH32_UA((const u8 *)(ptr)) : \
- *(u8 *)0)
-
#ifdef __GNUC__
/* GNU macro versions avoid referencing the argument multiple times, while also
} \
})
-#define htol16_ua_store(val, bytes) ({ \
- u16 _val = (val); \
- u8 *_bytes = (u8 *)(bytes); \
- _bytes[0] = _val & 0xff; \
- _bytes[1] = _val >> 8; \
-})
-
-#define htol32_ua_store(val, bytes) ({ \
- u32 _val = (val); \
- u8 *_bytes = (u8 *)(bytes); \
- _bytes[0] = _val & 0xff; \
- _bytes[1] = (_val >> 8) & 0xff; \
- _bytes[2] = (_val >> 16) & 0xff; \
- _bytes[3] = _val >> 24; \
-})
-
-#define hton16_ua_store(val, bytes) ({ \
- u16 _val = (val); \
- u8 *_bytes = (u8 *)(bytes); \
- _bytes[0] = _val >> 8; \
- _bytes[1] = _val & 0xff; \
-})
-
-#define hton32_ua_store(val, bytes) ({ \
- u32 _val = (val); \
- u8 *_bytes = (u8 *)(bytes); \
- _bytes[0] = _val >> 24; \
- _bytes[1] = (_val >> 16) & 0xff; \
- _bytes[2] = (_val >> 8) & 0xff; \
- _bytes[3] = _val & 0xff; \
-})
-
-#define ltoh16_ua(bytes) ({ \
- const u8 *_bytes = (const u8 *)(bytes); \
- _LTOH16_UA(_bytes); \
-})
-
-#define ltoh32_ua(bytes) ({ \
- const u8 *_bytes = (const u8 *)(bytes); \
- _LTOH32_UA(_bytes); \
-})
-
-#define ntoh16_ua(bytes) ({ \
- const u8 *_bytes = (const u8 *)(bytes); \
- _NTOH16_UA(_bytes); \
-})
-
-#define ntoh32_ua(bytes) ({ \
- const u8 *_bytes = (const u8 *)(bytes); \
- _NTOH32_UA(_bytes); \
-})
-
#else /* !__GNUC__ */
/* Inline versions avoid referencing the argument multiple times */
}
}
-/*
- * Store 16-bit value to unaligned little-endian byte array.
- */
-static inline void htol16_ua_store(u16 val, u8 *bytes)
-{
- bytes[0] = val & 0xff;
- bytes[1] = val >> 8;
-}
-
-/*
- * Store 32-bit value to unaligned little-endian byte array.
- */
-static inline void htol32_ua_store(u32 val, u8 *bytes)
-{
- bytes[0] = val & 0xff;
- bytes[1] = (val >> 8) & 0xff;
- bytes[2] = (val >> 16) & 0xff;
- bytes[3] = val >> 24;
-}
-
-/*
- * Store 16-bit value to unaligned network-(big-)endian byte array.
- */
-static inline void hton16_ua_store(u16 val, u8 *bytes)
-{
- bytes[0] = val >> 8;
- bytes[1] = val & 0xff;
-}
-
-/*
- * Store 32-bit value to unaligned network-(big-)endian byte array.
- */
-static inline void hton32_ua_store(u32 val, u8 *bytes)
-{
- bytes[0] = val >> 24;
- bytes[1] = (val >> 16) & 0xff;
- bytes[2] = (val >> 8) & 0xff;
- bytes[3] = val & 0xff;
-}
-
-/*
- * Load 16-bit value from unaligned little-endian byte array.
- */
-static inline u16 ltoh16_ua(const void *bytes)
-{
- return _LTOH16_UA((const u8 *)bytes);
-}
-
-/*
- * Load 32-bit value from unaligned little-endian byte array.
- */
-static inline u32 ltoh32_ua(const void *bytes)
-{
- return _LTOH32_UA((const u8 *)bytes);
-}
-
-/*
- * Load 16-bit value from unaligned big-(network-)endian byte array.
- */
-static inline u16 ntoh16_ua(const void *bytes)
-{
- return _NTOH16_UA((const u8 *)bytes);
-}
-
-/*
- * Load 32-bit value from unaligned big-(network-)endian byte array.
- */
-static inline u32 ntoh32_ua(const void *bytes)
-{
- return _NTOH32_UA((const u8 *)bytes);
-}
-
#endif /* !__GNUC__ */
#endif /* !_BCMENDIAN_H_ */
projects / karo-tx-linux.git / blobdiff