[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / vt6656 / wctl.h

/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * File: wctl.h
 *
 * Purpose:
 *
 * Author: Jerry Chen
 *
 * Date: Jun. 27, 2002
 *
 */

#ifndef __WCTL_H__
#define __WCTL_H__

#include "ttype.h"
#include "tether.h"
#include "device.h"

/*---------------------  Export Definitions -------------------------*/

#define IS_TYPE_DATA(pMACHeader)                                                        \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_802_11_MASK) == TYPE_802_11_DATA)

#define IS_TYPE_MGMT(pMACHeader)                                                        \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_802_11_MASK) == TYPE_802_11_MGMT)

#define IS_TYPE_CONTROL(pMACHeader)                                                     \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_802_11_MASK) == TYPE_802_11_CTL)

#define IS_FC_MOREDATA(pMACHeader)                                                      \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREDATA) == FC_MOREDATA)

#define IS_FC_POWERMGT(pMACHeader)                                                      \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_POWERMGT) == FC_POWERMGT)

#define IS_FC_RETRY(pMACHeader)                                                         \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_RETRY) == FC_RETRY)

#define IS_FC_WEP(pMACHeader)                                                           \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_WEP) == FC_WEP)

#ifdef __BIG_ENDIAN

#define IS_FRAGMENT_PKT(pMACHeader)                                                     \
    (((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREFRAG) != 0) |                  \
     ((((PS802_11Header) pMACHeader)->wSeqCtl & 0x0F00) != 0))

#define IS_FIRST_FRAGMENT_PKT(pMACHeader)                                               \
    ((((PS802_11Header) pMACHeader)->wSeqCtl & 0x0F00) == 0)

#else

#define IS_FRAGMENT_PKT(pMACHeader)                                                     \
    (((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREFRAG) != 0) |                  \
     ((((PS802_11Header) pMACHeader)->wSeqCtl & 0x000F) != 0))

#define IS_FIRST_FRAGMENT_PKT(pMACHeader)                                               \
    ((((PS802_11Header) pMACHeader)->wSeqCtl & 0x000F) == 0)

#endif//#ifdef __BIG_ENDIAN

#define IS_LAST_FRAGMENT_PKT(pMACHeader)                                                \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREFRAG) == 0)

#define IS_CTL_PSPOLL(pMACHeader)                                                       \
    ((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL)


#define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) {   \
    if ((uVar) >= ((uModulo) - 1))                  \
        (uVar) = 0;                                 \
    else                                            \
        (uVar)++;                                   \
}

/*---------------------  Export Classes  ----------------------------*/

/*---------------------  Export Variables  --------------------------*/

/*---------------------  Export Functions  --------------------------*/

BOOL WCTLbIsDuplicate(PSCache pCache, PS802_11Header pMACHeader);
BOOL WCTLbHandleFragment(PSDevice pDevice, PS802_11Header pMACHeader,
			 unsigned int cbFrameLength, BOOL bWEP, BOOL bExtIV);
unsigned int WCTLuSearchDFCB(PSDevice pDevice, PS802_11Header pMACHeader);
unsigned int WCTLuInsertDFCB(PSDevice pDevice, PS802_11Header pMACHeader);

#endif /* __WCTL_H__ */
Commit	Line	Data
92b96797 FB	1	/*
	2	* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
	3	* All rights reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; either version 2 of the License, or
	8	* (at your option) any later version.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License along
	16	* with this program; if not, write to the Free Software Foundation, Inc.,
	17	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	18	*
	19	* File: wctl.h
	20	*
	21	* Purpose:
	22	*
	23	* Author: Jerry Chen
	24	*
	25	* Date: Jun. 27, 2002
	26	*
	27	*/
	28
92b96797 FB	29	#ifndef __WCTL_H__
	30	#define __WCTL_H__
	31
92b96797	32	#include "ttype.h"
92b96797	33	#include "tether.h"
92b96797	34	#include "device.h"
92b96797 FB	35
	36	/--------------------- Export Definitions -------------------------/
	37
	38	#define IS_TYPE_DATA(pMACHeader) \
	39	((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_802_11_MASK) == TYPE_802_11_DATA)
	40
	41	#define IS_TYPE_MGMT(pMACHeader) \
	42	((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_802_11_MASK) == TYPE_802_11_MGMT)
	43
	44	#define IS_TYPE_CONTROL(pMACHeader) \
	45	((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_802_11_MASK) == TYPE_802_11_CTL)
	46
	47	#define IS_FC_MOREDATA(pMACHeader) \
	48	((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREDATA) == FC_MOREDATA)
	49
	50	#define IS_FC_POWERMGT(pMACHeader) \
	51	((((PS802_11Header) pMACHeader)->wFrameCtl & FC_POWERMGT) == FC_POWERMGT)
	52
	53	#define IS_FC_RETRY(pMACHeader) \
	54	((((PS802_11Header) pMACHeader)->wFrameCtl & FC_RETRY) == FC_RETRY)
	55
	56	#define IS_FC_WEP(pMACHeader) \
	57	((((PS802_11Header) pMACHeader)->wFrameCtl & FC_WEP) == FC_WEP)
	58
	59	#ifdef __BIG_ENDIAN
	60
	61	#define IS_FRAGMENT_PKT(pMACHeader) \
	62	(((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREFRAG) != 0) \| \
	63	((((PS802_11Header) pMACHeader)->wSeqCtl & 0x0F00) != 0))
	64
	65	#define IS_FIRST_FRAGMENT_PKT(pMACHeader) \
	66	((((PS802_11Header) pMACHeader)->wSeqCtl & 0x0F00) == 0)
	67
	68	#else
	69
	70	#define IS_FRAGMENT_PKT(pMACHeader) \
	71	(((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREFRAG) != 0) \| \
	72	((((PS802_11Header) pMACHeader)->wSeqCtl & 0x000F) != 0))
	73
	74	#define IS_FIRST_FRAGMENT_PKT(pMACHeader) \
	75	((((PS802_11Header) pMACHeader)->wSeqCtl & 0x000F) == 0)
	76
	77	#endif//#ifdef __BIG_ENDIAN
	78
	79	#define IS_LAST_FRAGMENT_PKT(pMACHeader) \
	80	((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREFRAG) == 0)
	81
	82	#define IS_CTL_PSPOLL(pMACHeader) \
	83	((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL)
	84
	85
	86	#define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) { \
	87	if ((uVar) >= ((uModulo) - 1)) \
	88	(uVar) = 0; \
	89	else \
	90	(uVar)++; \
	91	}
	92
92b96797 FB	93	/--------------------- Export Classes ----------------------------/
	94
	95	/--------------------- Export Variables --------------------------/
	96
	97	/--------------------- Export Functions --------------------------/
92b96797 FB	98
92b96797 FB	99	BOOL WCTLbIsDuplicate(PSCache pCache, PS802_11Header pMACHeader);
cc856e61 AM	100	BOOL WCTLbHandleFragment(PSDevice pDevice, PS802_11Header pMACHeader,
	101	unsigned int cbFrameLength, BOOL bWEP, BOOL bExtIV);
	102	unsigned int WCTLuSearchDFCB(PSDevice pDevice, PS802_11Header pMACHeader);
	103	unsigned int WCTLuInsertDFCB(PSDevice pDevice, PS802_11Header pMACHeader);
92b96797	104
e7b07d1d	105	#endif /* __WCTL_H__ */