diff options
Diffstat (limited to 'drivers/staging/brcm80211/include/bcmendian.h')
| -rw-r--r-- | drivers/staging/brcm80211/include/bcmendian.h | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/drivers/staging/brcm80211/include/bcmendian.h b/drivers/staging/brcm80211/include/bcmendian.h deleted file mode 100644 index 4123aefa211c..000000000000 --- a/drivers/staging/brcm80211/include/bcmendian.h +++ /dev/null @@ -1,303 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef _BCMENDIAN_H_ -#define _BCMENDIAN_H_ - -/* Reverse the bytes in a 16-bit value */ -#define BCMSWAP16(val) \ - ((u16)((((u16)(val) & (u16)0x00ffU) << 8) | \ - (((u16)(val) & (u16)0xff00U) >> 8))) - -/* Reverse the bytes in a 32-bit value */ -#define BCMSWAP32(val) \ - ((u32)((((u32)(val) & (u32)0x000000ffU) << 24) | \ - (((u32)(val) & (u32)0x0000ff00U) << 8) | \ - (((u32)(val) & (u32)0x00ff0000U) >> 8) | \ - (((u32)(val) & (u32)0xff000000U) >> 24))) - -/* Reverse the two 16-bit halves of a 32-bit value */ -#define BCMSWAP32BY16(val) \ - ((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) -#else -#define ltoh16_buf(buf, i) bcmswap16_buf((u16 *)(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 - * avoiding the -fno-inline used in ROM builds. - */ - -#define bcmswap16(val) ({ \ - u16 _val = (val); \ - BCMSWAP16(_val); \ -}) - -#define bcmswap32(val) ({ \ - u32 _val = (val); \ - BCMSWAP32(_val); \ -}) - -#define bcmswap32by16(val) ({ \ - u32 _val = (val); \ - BCMSWAP32BY16(_val); \ -}) - -#define bcmswap16_buf(buf, len) ({ \ - u16 *_buf = (u16 *)(buf); \ - uint _wds = (len) / 2; \ - while (_wds--) { \ - *_buf = bcmswap16(*_buf); \ - _buf++; \ - } \ -}) - -#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 */ -static inline u16 bcmswap16(u16 val) -{ - return BCMSWAP16(val); -} - -static inline u32 bcmswap32(u32 val) -{ - return BCMSWAP32(val); -} - -static inline u32 bcmswap32by16(u32 val) -{ - return BCMSWAP32BY16(val); -} - -/* Reverse pairs of bytes in a buffer (not for high-performance use) */ -/* buf - start of buffer of shorts to swap */ -/* len - byte length of buffer */ -static inline void bcmswap16_buf(u16 *buf, uint len) -{ - len = len / 2; - - while (len--) { - *buf = bcmswap16(*buf); - buf++; - } -} - -/* - * 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_ */ |