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 "tether.h"
  34 #include "80211mgr.h"
  35
  36 #define MAX_GROUP_KEY       4
  37 #define MAX_KEY_TABLE       11
  38 #define MAX_KEY_LEN         32
  39 #define AES_KEY_LEN         16
  40
  41 #define AUTHENTICATOR_KEY   0x10000000
  42 #define USE_KEYRSC          0x20000000
  43 #define PAIRWISE_KEY        0x40000000
  44 #define TRANSMIT_KEY        0x80000000
  45
  46 #define GROUP_KEY           0x00000000
  47
  48 #define KEY_CTL_WEP         0x00
  49 #define KEY_CTL_NONE        0x01
  50 #define KEY_CTL_TKIP        0x02
  51 #define KEY_CTL_CCMP        0x03
  52 #define KEY_CTL_INVALID     0xFF
  53
  54 typedef struct tagSKeyItem
  55 {
  56     bool        bKeyValid;
  57         u32 uKeyLength;
  58     u8        abyKey[MAX_KEY_LEN];
  59         u64 KeyRSC;
  60     u32       dwTSC47_16;
  61     u16        wTSC15_0;
  62     u8        byCipherSuite;
  63     u8        byReserved0;
  64     u32       dwKeyIndex;
  65     void *pvKeyTable;
  66 } SKeyItem, *PSKeyItem; //64
  67
  68 typedef struct tagSKeyTable
  69 {
  70     u8        abyBSSID[ETH_ALEN];  /* 6 */
  71     u8        byReserved0[2];              //8
  72     SKeyItem    PairwiseKey;
  73     SKeyItem    GroupKey[MAX_GROUP_KEY]; //64*5 = 320, 320+8=328
  74     u32       dwGTKeyIndex;            // GroupTransmitKey Index
  75     bool        bInUse;
  76     u16        wKeyCtl;
  77     bool        bSoftWEP;
  78     u8        byReserved1[6];
  79 } SKeyTable, *PSKeyTable; //352
  80
  81 typedef struct tagSKeyManagement
  82 {
  83     SKeyTable   KeyTable[MAX_KEY_TABLE];
  84 } SKeyManagement, *PSKeyManagement;
  85
  86 void KeyvInitTable(struct vnt_private *, PSKeyManagement pTable);
  87
  88 int KeybGetKey(PSKeyManagement pTable, u8 *pbyBSSID, u32 dwKeyIndex,
  89         PSKeyItem *pKey);
  90
  91 int KeybSetKey(struct vnt_private *, PSKeyManagement pTable, u8 *pbyBSSID,
  92         u32 dwKeyIndex, u32 uKeyLength, u64 *KeyRSC, u8 *pbyKey,
  93         u8 byKeyDecMode);
  94
  95 int KeybRemoveKey(struct vnt_private *, PSKeyManagement pTable,
  96         u8 *pbyBSSID, u32 dwKeyIndex);
  97
  98 int KeybRemoveAllKey(struct vnt_private *, PSKeyManagement pTable,
  99         u8 *pbyBSSID);
 100
 101 int KeybGetTransmitKey(PSKeyManagement pTable, u8 *pbyBSSID, u32 dwKeyType,
 102         PSKeyItem *pKey);
 103
 104 int KeybSetDefaultKey(struct vnt_private *, PSKeyManagement pTable,
 105         u32 dwKeyIndex, u32 uKeyLength, u64 *KeyRSC, u8 *pbyKey,
 106         u8 byKeyDecMode);
 107
 108 int KeybSetAllGroupKey(struct vnt_private *, PSKeyManagement pTable,
 109         u32 dwKeyIndex, u32 uKeyLength, u64 *KeyRSC, u8 *pbyKey,
 110         u8 byKeyDecMode);
 111
 112 #endif /* __KEY_H__ */