drivers/staging/vt6656/key.h

   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  *
  20  * File: key.h
  21  *
  22  * Purpose: Implement functions for 802.11i Key management
  23  *
  24  * Author: Jerry Chen
  25  *
  26  * Date: May 29, 2003
  27  *
  28  */
  29
  30 #ifndef __KEY_H__
  31 #define __KEY_H__
  32
  33 #include "ttype.h"
  34 #include "tether.h"
  35 #include "80211mgr.h"
  36
  37 /*---------------------  Export Definitions -------------------------*/
  38 #define MAX_GROUP_KEY       4
  39 #define MAX_KEY_TABLE       11
  40 #define MAX_KEY_LEN         32
  41 #define AES_KEY_LEN         16
  42
  43
  44 #define AUTHENTICATOR_KEY   0x10000000
  45 #define USE_KEYRSC          0x20000000
  46 #define PAIRWISE_KEY        0x40000000
  47 #define TRANSMIT_KEY        0x80000000
  48
  49 #define GROUP_KEY           0x00000000
  50
  51 #define KEY_CTL_WEP         0x00
  52 #define KEY_CTL_NONE        0x01
  53 #define KEY_CTL_TKIP        0x02
  54 #define KEY_CTL_CCMP        0x03
  55 #define KEY_CTL_INVALID     0xFF
  56
  57
  58 typedef struct tagSKeyItem
  59 {
  60     bool        bKeyValid;
  61         u32 uKeyLength;
  62     BYTE        abyKey[MAX_KEY_LEN];
  63         u64 KeyRSC;
  64     DWORD       dwTSC47_16;
  65     WORD        wTSC15_0;
  66     BYTE        byCipherSuite;
  67     BYTE        byReserved0;
  68     DWORD       dwKeyIndex;
  69     void *pvKeyTable;
  70 } SKeyItem, *PSKeyItem; //64
  71
  72 typedef struct tagSKeyTable
  73 {
  74     BYTE        abyBSSID[ETH_ALEN];  /* 6 */
  75     BYTE        byReserved0[2];              //8
  76     SKeyItem    PairwiseKey;
  77     SKeyItem    GroupKey[MAX_GROUP_KEY]; //64*5 = 320, 320+8=328
  78     DWORD       dwGTKeyIndex;            // GroupTransmitKey Index
  79     bool        bInUse;
  80     WORD        wKeyCtl;
  81     bool        bSoftWEP;
  82     BYTE        byReserved1[6];
  83 } SKeyTable, *PSKeyTable; //352
  84
  85 typedef struct tagSKeyManagement
  86 {
  87     SKeyTable   KeyTable[MAX_KEY_TABLE];
  88 } SKeyManagement, *PSKeyManagement;
  89
  90 /*---------------------  Export Types  ------------------------------*/
  91
  92 /*---------------------  Export Macros ------------------------------*/
  93
  94 /*---------------------  Export Classes  ----------------------------*/
  95
  96 /*---------------------  Export Variables  --------------------------*/
  97
  98 /*---------------------  Export Functions  --------------------------*/
  99
 100 void KeyvInitTable(struct vnt_private *, PSKeyManagement pTable);
 101
 102 int KeybGetKey(PSKeyManagement pTable, u8 *pbyBSSID, u32 dwKeyIndex,
 103         PSKeyItem *pKey);
 104
 105 int KeybSetKey(struct vnt_private *, PSKeyManagement pTable, u8 *pbyBSSID,
 106         u32 dwKeyIndex, u32 uKeyLength, u64 *KeyRSC, u8 *pbyKey,
 107         u8 byKeyDecMode);
 108
 109 int KeybRemoveKey(struct vnt_private *, PSKeyManagement pTable,
 110         u8 *pbyBSSID, u32 dwKeyIndex);
 111
 112 int KeybRemoveAllKey(struct vnt_private *, PSKeyManagement pTable,
 113         u8 *pbyBSSID);
 114
 115 void KeyvRemoveWEPKey(struct vnt_private *, PSKeyManagement pTable,
 116         u32 dwKeyIndex);
 117
 118 void KeyvRemoveAllWEPKey(struct vnt_private *, PSKeyManagement pTable);
 119
 120 int KeybGetTransmitKey(PSKeyManagement pTable, u8 *pbyBSSID, u32 dwKeyType,
 121         PSKeyItem *pKey);
 122
 123 int KeybCheckPairewiseKey(PSKeyManagement pTable, PSKeyItem *pKey);
 124
 125 int KeybSetDefaultKey(struct vnt_private *, PSKeyManagement pTable,
 126         u32 dwKeyIndex, u32 uKeyLength, u64 *KeyRSC, u8 *pbyKey,
 127         u8 byKeyDecMode);
 128
 129 int KeybSetAllGroupKey(struct vnt_private *, PSKeyManagement pTable,
 130         u32 dwKeyIndex, u32 uKeyLength, u64 *KeyRSC, u8 *pbyKey,
 131         u8 byKeyDecMode);
 132
 133 #endif /* __KEY_H__ */