mirror of
https://github.com/lwfinger/rtl8188eu.git
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180 lines
5.6 KiB
C
180 lines
5.6 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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#ifndef __BASIC_TYPES_H__
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#define __BASIC_TYPES_H__
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#define SUCCESS 0
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#define FAIL (-1)
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#include <linux/types.h>
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#define NDIS_OID uint
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#define NDIS_STATUS uint
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#define UCHAR u8
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#define USHORT u16
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#define UINT u32
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#define ULONG u32
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typedef void (*proc_t)(void*);
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#define FIELD_OFFSET(s,field) ((ssize_t)&((s*)(0))->field)
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#define MEM_ALIGNMENT_OFFSET (sizeof (size_t))
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#define MEM_ALIGNMENT_PADDING (sizeof(size_t) - 1)
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//port from fw by thomas
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// TODO: Belows are Sync from SD7-Driver. It is necessary to check correctness
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/*
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* Call endian free function when
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* 1. Read/write packet content.
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* 2. Before write integer to IO.
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* 3. After read integer from IO.
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*/
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/* Convert little data endian to host ordering */
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#define EF1BYTE(_val) \
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((u8)(_val))
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#define EF2BYTE(_val) \
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(le16_to_cpu(_val))
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#define EF4BYTE(_val) \
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(le32_to_cpu(_val))
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/* Read data from memory */
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#define READEF1BYTE(_ptr) \
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EF1BYTE(*((u8 *)(_ptr)))
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/* Read le16 data from memory and convert to host ordering */
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#define READEF2BYTE(_ptr) \
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EF2BYTE(*(_ptr))
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#define READEF4BYTE(_ptr) \
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EF4BYTE(*(_ptr))
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/* Write data to memory */
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#define WRITEEF1BYTE(_ptr, _val) \
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(*((u8 *)(_ptr))) = EF1BYTE(_val)
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/* Write le data to memory in host ordering */
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#define WRITEEF2BYTE(_ptr, _val) \
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(*((u16 *)(_ptr))) = EF2BYTE(_val)
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#define WRITEEF4BYTE(_ptr, _val) \
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(*((u32 *)(_ptr))) = EF2BYTE(_val)
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/* Create a bit mask
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* Examples:
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* BIT_LEN_MASK_32(0) => 0x00000000
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* BIT_LEN_MASK_32(1) => 0x00000001
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* BIT_LEN_MASK_32(2) => 0x00000003
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* BIT_LEN_MASK_32(32) => 0xFFFFFFFF
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*/
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#define BIT_LEN_MASK_32(__bitlen) \
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(0xFFFFFFFF >> (32 - (__bitlen)))
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#define BIT_LEN_MASK_16(__bitlen) \
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(0xFFFF >> (16 - (__bitlen)))
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#define BIT_LEN_MASK_8(__bitlen) \
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(0xFF >> (8 - (__bitlen)))
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/* Create an offset bit mask
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* Examples:
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* BIT_OFFSET_LEN_MASK_32(0, 2) => 0x00000003
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* BIT_OFFSET_LEN_MASK_32(16, 2) => 0x00030000
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*/
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#define BIT_OFFSET_LEN_MASK_32(__bitoffset, __bitlen) \
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(BIT_LEN_MASK_32(__bitlen) << (__bitoffset))
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#define BIT_OFFSET_LEN_MASK_16(__bitoffset, __bitlen) \
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(BIT_LEN_MASK_16(__bitlen) << (__bitoffset))
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#define BIT_OFFSET_LEN_MASK_8(__bitoffset, __bitlen) \
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(BIT_LEN_MASK_8(__bitlen) << (__bitoffset))
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/*Description:
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* Return 4-byte value in host byte ordering from
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* 4-byte pointer in little-endian system.
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*/
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#define LE_P4BYTE_TO_HOST_4BYTE(__pstart) \
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(EF4BYTE(*((__le32 *)(__pstart))))
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#define LE_P2BYTE_TO_HOST_2BYTE(__pstart) \
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(EF2BYTE(*((__le16 *)(__pstart))))
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#define LE_P1BYTE_TO_HOST_1BYTE(__pstart) \
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(EF1BYTE(*((u8 *)(__pstart))))
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/*Description:
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Translate subfield (continuous bits in little-endian) of 4-byte
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value to host byte ordering.*/
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#define LE_BITS_TO_4BYTE(__pstart, __bitoffset, __bitlen) \
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( \
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(LE_P4BYTE_TO_HOST_4BYTE(__pstart) >> (__bitoffset)) & \
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BIT_LEN_MASK_32(__bitlen) \
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)
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#define LE_BITS_TO_2BYTE(__pstart, __bitoffset, __bitlen) \
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( \
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(LE_P2BYTE_TO_HOST_2BYTE(__pstart) >> (__bitoffset)) & \
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BIT_LEN_MASK_16(__bitlen) \
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)
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#define LE_BITS_TO_1BYTE(__pstart, __bitoffset, __bitlen) \
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( \
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(LE_P1BYTE_TO_HOST_1BYTE(__pstart) >> (__bitoffset)) & \
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BIT_LEN_MASK_8(__bitlen) \
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)
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/* Description:
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* Mask subfield (continuous bits in little-endian) of 4-byte value
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* and return the result in 4-byte value in host byte ordering.
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*/
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#define LE_BITS_CLEARED_TO_4BYTE(__pstart, __bitoffset, __bitlen) \
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( \
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LE_P4BYTE_TO_HOST_4BYTE(__pstart) & \
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(~BIT_OFFSET_LEN_MASK_32(__bitoffset, __bitlen)) \
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)
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#define LE_BITS_CLEARED_TO_2BYTE(__pstart, __bitoffset, __bitlen) \
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( \
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LE_P2BYTE_TO_HOST_2BYTE(__pstart) & \
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(~BIT_OFFSET_LEN_MASK_16(__bitoffset, __bitlen)) \
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)
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#define LE_BITS_CLEARED_TO_1BYTE(__pstart, __bitoffset, __bitlen) \
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( \
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LE_P1BYTE_TO_HOST_1BYTE(__pstart) & \
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(~BIT_OFFSET_LEN_MASK_8(__bitoffset, __bitlen)) \
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)
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/* Description:
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* Set subfield of little-endian 4-byte value to specified value.
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*/
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#define SET_BITS_TO_LE_4BYTE(__pstart, __bitoffset, __bitlen, __val) \
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*((u32 *)(__pstart)) = \
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( \
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LE_BITS_CLEARED_TO_4BYTE(__pstart, __bitoffset, __bitlen) | \
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((((u32)__val) & BIT_LEN_MASK_32(__bitlen)) << (__bitoffset)) \
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);
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#define SET_BITS_TO_LE_2BYTE(__pstart, __bitoffset, __bitlen, __val) \
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*((u16 *)(__pstart)) = \
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( \
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LE_BITS_CLEARED_TO_2BYTE(__pstart, __bitoffset, __bitlen) | \
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((((u16)__val) & BIT_LEN_MASK_16(__bitlen)) << (__bitoffset)) \
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);
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#define SET_BITS_TO_LE_1BYTE(__pstart, __bitoffset, __bitlen, __val) \
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*((u8 *)(__pstart)) = EF1BYTE \
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( \
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LE_BITS_CLEARED_TO_1BYTE(__pstart, __bitoffset, __bitlen) | \
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((((u8)__val) & BIT_LEN_MASK_8(__bitlen)) << (__bitoffset)) \
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);
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/* Get the N-bytes aligment offset from the current length */
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#define N_BYTE_ALIGMENT(__value, __aligment) ((__aligment == 1) ? \
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(__value) : (((__value + __aligment - 1) / __aligment) * __aligment))
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#endif //__BASIC_TYPES_H__
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