Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 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 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 29 | #ifndef __WCTL_H__ |
| 30 | #define __WCTL_H__ |
| 31 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 32 | #include "ttype.h" |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 33 | #include "tether.h" |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 34 | #include "device.h" |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 35 | |
| 36 | /*--------------------- Export Definitions -------------------------*/ |
| 37 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 38 | #define IS_TYPE_DATA(pMACHeader) \ |
| 39 | ((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_802_11_MASK) == TYPE_802_11_DATA) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 40 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 41 | #define IS_TYPE_MGMT(pMACHeader) \ |
| 42 | ((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_802_11_MASK) == TYPE_802_11_MGMT) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 43 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 44 | #define IS_TYPE_CONTROL(pMACHeader) \ |
| 45 | ((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_802_11_MASK) == TYPE_802_11_CTL) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 46 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 47 | #define IS_FC_MOREDATA(pMACHeader) \ |
| 48 | ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREDATA) == FC_MOREDATA) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 49 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 50 | #define IS_FC_POWERMGT(pMACHeader) \ |
| 51 | ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_POWERMGT) == FC_POWERMGT) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 52 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 53 | #define IS_FC_RETRY(pMACHeader) \ |
| 54 | ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_RETRY) == FC_RETRY) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 55 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 56 | #define IS_FC_WEP(pMACHeader) \ |
| 57 | ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_WEP) == FC_WEP) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 58 | |
| 59 | #ifdef __BIG_ENDIAN |
| 60 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 61 | #define IS_FRAGMENT_PKT(pMACHeader) \ |
| 62 | (((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREFRAG) != 0) | \ |
| 63 | ((((PS802_11Header) pMACHeader)->wSeqCtl & 0x0F00) != 0)) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 64 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 65 | #define IS_FIRST_FRAGMENT_PKT(pMACHeader) \ |
| 66 | ((((PS802_11Header) pMACHeader)->wSeqCtl & 0x0F00) == 0) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 67 | |
| 68 | #else |
| 69 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 70 | #define IS_FRAGMENT_PKT(pMACHeader) \ |
| 71 | (((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREFRAG) != 0) | \ |
| 72 | ((((PS802_11Header) pMACHeader)->wSeqCtl & 0x000F) != 0)) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 73 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 74 | #define IS_FIRST_FRAGMENT_PKT(pMACHeader) \ |
| 75 | ((((PS802_11Header) pMACHeader)->wSeqCtl & 0x000F) == 0) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 76 | |
| 77 | #endif//#ifdef __BIG_ENDIAN |
| 78 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 79 | #define IS_LAST_FRAGMENT_PKT(pMACHeader) \ |
| 80 | ((((PS802_11Header) pMACHeader)->wFrameCtl & FC_MOREFRAG) == 0) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 81 | |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 82 | #define IS_CTL_PSPOLL(pMACHeader) \ |
| 83 | ((((PS802_11Header) pMACHeader)->wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 84 | |
Joe Perches | bda2a44 | 2013-03-18 20:55:40 -0700 | [diff] [blame] | 85 | #define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) \ |
| 86 | do { \ |
| 87 | if ((uVar) >= ((uModulo) - 1)) \ |
| 88 | (uVar) = 0; \ |
| 89 | else \ |
| 90 | (uVar)++; \ |
| 91 | } while (0) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 92 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 93 | /*--------------------- Export Classes ----------------------------*/ |
| 94 | |
| 95 | /*--------------------- Export Variables --------------------------*/ |
| 96 | |
| 97 | /*--------------------- Export Functions --------------------------*/ |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 98 | |
Charles Clément | 7b6a001 | 2010-08-01 17:15:50 +0200 | [diff] [blame] | 99 | bool WCTLbIsDuplicate(PSCache pCache, PS802_11Header pMACHeader); |
| 100 | bool WCTLbHandleFragment(PSDevice pDevice, PS802_11Header pMACHeader, |
Joe Perches | e2b8c6d | 2013-03-18 10:45:10 -0700 | [diff] [blame] | 101 | unsigned int cbFrameLength, bool bWEP, bool bExtIV); |
Charles Clément | b6e95cd | 2010-06-02 09:52:01 -0700 | [diff] [blame] | 102 | unsigned int WCTLuSearchDFCB(PSDevice pDevice, PS802_11Header pMACHeader); |
| 103 | unsigned int WCTLuInsertDFCB(PSDevice pDevice, PS802_11Header pMACHeader); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 104 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 105 | #endif // __WCTL_H__ |