diff options
Diffstat (limited to 'drivers/staging/rtl8192u/ieee80211/EndianFree.h')
| -rw-r--r-- | drivers/staging/rtl8192u/ieee80211/EndianFree.h | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/drivers/staging/rtl8192u/ieee80211/EndianFree.h b/drivers/staging/rtl8192u/ieee80211/EndianFree.h deleted file mode 100644 index dc85fb913dc2..000000000000 --- a/drivers/staging/rtl8192u/ieee80211/EndianFree.h +++ /dev/null @@ -1,194 +0,0 @@ -#ifndef __INC_ENDIANFREE_H -#define __INC_ENDIANFREE_H - -/* - * Call endian free function when - * 1. Read/write packet content. - * 2. Before write integer to IO. - * 3. After read integer from IO. - */ - -#define __MACHINE_LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ -#define __MACHINE_BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net, ppc */ - -#define BYTE_ORDER __MACHINE_LITTLE_ENDIAN - -#if BYTE_ORDER == __MACHINE_LITTLE_ENDIAN -// Convert data -#define EF1Byte(_val) ((u8)(_val)) -#define EF2Byte(_val) ((u16)(_val)) -#define EF4Byte(_val) ((u32)(_val)) - -#else -// Convert data -#define EF1Byte(_val) ((u8)(_val)) -#define EF2Byte(_val) (((((u16)(_val))&0x00ff)<<8)|((((u16)(_val))&0xff00)>>8)) -#define EF4Byte(_val) (((((u32)(_val))&0x000000ff)<<24)|\ - ((((u32)(_val))&0x0000ff00)<<8)|\ - ((((u32)(_val))&0x00ff0000)>>8)|\ - ((((u32)(_val))&0xff000000)>>24)) -#endif - -// Read data from memory -#define ReadEF1Byte(_ptr) EF1Byte(*((u8 *)(_ptr))) -#define ReadEF2Byte(_ptr) EF2Byte(*((u16 *)(_ptr))) -#define ReadEF4Byte(_ptr) EF4Byte(*((u32 *)(_ptr))) - -// Write data to memory -#define WriteEF1Byte(_ptr, _val) (*((u8 *)(_ptr)))=EF1Byte(_val) -#define WriteEF2Byte(_ptr, _val) (*((u16 *)(_ptr)))=EF2Byte(_val) -#define WriteEF4Byte(_ptr, _val) (*((u32 *)(_ptr)))=EF4Byte(_val) -// Convert Host system specific byte ording (litten or big endia) to Network byte ording (big endian). -// 2006.05.07, by rcnjko. -#if BYTE_ORDER == __MACHINE_LITTLE_ENDIAN -#define H2N1BYTE(_val) ((u8)(_val)) -#define H2N2BYTE(_val) (((((u16)(_val))&0x00ff)<<8)|\ - ((((u16)(_val))&0xff00)>>8)) -#define H2N4BYTE(_val) (((((u32)(_val))&0x000000ff)<<24)|\ - ((((u32)(_val))&0x0000ff00)<<8) |\ - ((((u32)(_val))&0x00ff0000)>>8) |\ - ((((u32)(_val))&0xff000000)>>24)) -#else -#define H2N1BYTE(_val) ((u8)(_val)) -#define H2N2BYTE(_val) ((u16)(_val)) -#define H2N4BYTE(_val) ((u32)(_val)) -#endif - -// Convert from Network byte ording (big endian) to Host system specific byte ording (litten or big endia). -// 2006.05.07, by rcnjko. -#if BYTE_ORDER == __MACHINE_LITTLE_ENDIAN -#define N2H1BYTE(_val) ((u8)(_val)) -#define N2H2BYTE(_val) (((((u16)(_val))&0x00ff)<<8)|\ - ((((u16)(_val))&0xff00)>>8)) -#define N2H4BYTE(_val) (((((u32)(_val))&0x000000ff)<<24)|\ - ((((u32)(_val))&0x0000ff00)<<8) |\ - ((((u32)(_val))&0x00ff0000)>>8) |\ - ((((u32)(_val))&0xff000000)>>24)) -#else -#define N2H1BYTE(_val) ((u8)(_val)) -#define N2H2BYTE(_val) ((u16)(_val)) -#define N2H4BYTE(_val) ((u32)(_val)) -#endif - -// -// Example: -// BIT_LEN_MASK_32(0) => 0x00000000 -// BIT_LEN_MASK_32(1) => 0x00000001 -// BIT_LEN_MASK_32(2) => 0x00000003 -// BIT_LEN_MASK_32(32) => 0xFFFFFFFF -// -#define BIT_LEN_MASK_32(__BitLen) (0xFFFFFFFF >> (32 - (__BitLen))) -// -// Example: -// BIT_OFFSET_LEN_MASK_32(0, 2) => 0x00000003 -// BIT_OFFSET_LEN_MASK_32(16, 2) => 0x00030000 -// -#define BIT_OFFSET_LEN_MASK_32(__BitOffset, __BitLen) (BIT_LEN_MASK_32(__BitLen) << (__BitOffset)) - -// -// Description: -// Return 4-byte value in host byte ordering from -// 4-byte pointer in litten-endian system. -// -#define LE_P4BYTE_TO_HOST_4BYTE(__pStart) (EF4Byte(*((u32 *)(__pStart)))) - -// -// Description: -// Translate subfield (continuous bits in little-endian) of 4-byte value in litten byte to -// 4-byte value in host byte ordering. -// -#define LE_BITS_TO_4BYTE(__pStart, __BitOffset, __BitLen) \ - ( \ - ( LE_P4BYTE_TO_HOST_4BYTE(__pStart) >> (__BitOffset) ) \ - & \ - BIT_LEN_MASK_32(__BitLen) \ - ) - -// -// Description: -// Mask subfield (continuous bits in little-endian) of 4-byte value in litten byte oredering -// and return the result in 4-byte value in host byte ordering. -// -#define LE_BITS_CLEARED_TO_4BYTE(__pStart, __BitOffset, __BitLen) \ - ( \ - LE_P4BYTE_TO_HOST_4BYTE(__pStart) \ - & \ - ( ~BIT_OFFSET_LEN_MASK_32(__BitOffset, __BitLen) ) \ - ) - -// -// Description: -// Set subfield of little-endian 4-byte value to specified value. -// -#define SET_BITS_TO_LE_4BYTE(__pStart, __BitOffset, __BitLen, __Value) \ - *((u32 *)(__pStart)) = \ - EF4Byte( \ - LE_BITS_CLEARED_TO_4BYTE(__pStart, __BitOffset, __BitLen) \ - | \ - ( (((u32)__Value) & BIT_LEN_MASK_32(__BitLen)) << (__BitOffset) ) \ - ); - - -#define BIT_LEN_MASK_16(__BitLen) \ - (0xFFFF >> (16 - (__BitLen))) - -#define BIT_OFFSET_LEN_MASK_16(__BitOffset, __BitLen) \ - (BIT_LEN_MASK_16(__BitLen) << (__BitOffset)) - -#define LE_P2BYTE_TO_HOST_2BYTE(__pStart) \ - (EF2Byte(*((u16 *)(__pStart)))) - -#define LE_BITS_TO_2BYTE(__pStart, __BitOffset, __BitLen) \ - ( \ - ( LE_P2BYTE_TO_HOST_2BYTE(__pStart) >> (__BitOffset) ) \ - & \ - BIT_LEN_MASK_16(__BitLen) \ - ) - -#define LE_BITS_CLEARED_TO_2BYTE(__pStart, __BitOffset, __BitLen) \ - ( \ - LE_P2BYTE_TO_HOST_2BYTE(__pStart) \ - & \ - ( ~BIT_OFFSET_LEN_MASK_16(__BitOffset, __BitLen) ) \ - ) - -#define SET_BITS_TO_LE_2BYTE(__pStart, __BitOffset, __BitLen, __Value) \ - *((u16 *)(__pStart)) = \ - EF2Byte( \ - LE_BITS_CLEARED_TO_2BYTE(__pStart, __BitOffset, __BitLen) \ - | \ - ( (((u16)__Value) & BIT_LEN_MASK_16(__BitLen)) << (__BitOffset) ) \ - ); - -#define BIT_LEN_MASK_8(__BitLen) \ - (0xFF >> (8 - (__BitLen))) - -#define BIT_OFFSET_LEN_MASK_8(__BitOffset, __BitLen) \ - (BIT_LEN_MASK_8(__BitLen) << (__BitOffset)) - -#define LE_P1BYTE_TO_HOST_1BYTE(__pStart) \ - (EF1Byte(*((u8 *)(__pStart)))) - -#define LE_BITS_TO_1BYTE(__pStart, __BitOffset, __BitLen) \ - ( \ - ( LE_P1BYTE_TO_HOST_1BYTE(__pStart) >> (__BitOffset) ) \ - & \ - BIT_LEN_MASK_8(__BitLen) \ - ) - -#define LE_BITS_CLEARED_TO_1BYTE(__pStart, __BitOffset, __BitLen) \ - ( \ - LE_P1BYTE_TO_HOST_1BYTE(__pStart) \ - & \ - ( ~BIT_OFFSET_LEN_MASK_8(__BitOffset, __BitLen) ) \ - ) - -#define SET_BITS_TO_LE_1BYTE(__pStart, __BitOffset, __BitLen, __Value) \ - *((u8 *)(__pStart)) = \ - EF1Byte( \ - LE_BITS_CLEARED_TO_1BYTE(__pStart, __BitOffset, __BitLen) \ - | \ - ( (((u8)__Value) & BIT_LEN_MASK_8(__BitLen)) << (__BitOffset) ) \ - ); - -#endif // #ifndef __INC_ENDIANFREE_H |