xref: /openbmc/linux/drivers/staging/vt6655/key.h (revision 16834405)
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 #define AUTHENTICATOR_KEY   0x10000000
44 #define USE_KEYRSC          0x20000000
45 #define PAIRWISE_KEY        0x40000000
46 #define TRANSMIT_KEY        0x80000000
47 
48 #define GROUP_KEY           0x00000000
49 
50 #define KEY_CTL_WEP         0x00
51 #define KEY_CTL_NONE        0x01
52 #define KEY_CTL_TKIP        0x02
53 #define KEY_CTL_CCMP        0x03
54 #define KEY_CTL_INVALID     0xFF
55 
56 typedef struct tagSKeyItem
57 {
58 	bool bKeyValid;
59 	unsigned long uKeyLength;
60 	unsigned char abyKey[MAX_KEY_LEN];
61 	QWORD       KeyRSC;
62 	unsigned long dwTSC47_16;
63 	unsigned short wTSC15_0;
64 	unsigned char byCipherSuite;
65 	unsigned char byReserved0;
66 	unsigned long dwKeyIndex;
67 	void *pvKeyTable;
68 } SKeyItem, *PSKeyItem; //64
69 
70 typedef struct tagSKeyTable
71 {
72 	unsigned char abyBSSID[ETH_ALEN];  //6
73 	unsigned char byReserved0[2];              //8
74 	SKeyItem    PairwiseKey;
75 	SKeyItem    GroupKey[MAX_GROUP_KEY]; //64*5 = 320, 320+8=328
76 	unsigned long dwGTKeyIndex;            // GroupTransmitKey Index
77 	bool bInUse;
78 	//2006-1116-01,<Modify> by NomadZhao
79 	bool bSoftWEP;
80 	unsigned short wKeyCtl;      // for address of wKeyCtl at align 4
81 
82 	unsigned char byReserved1[6];
83 } SKeyTable, *PSKeyTable; //348
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(PSKeyManagement pTable, void __iomem *dwIoBase);
101 
102 bool KeybGetKey(
103 	PSKeyManagement pTable,
104 	unsigned char *pbyBSSID,
105 	unsigned long dwKeyIndex,
106 	PSKeyItem       *pKey
107 );
108 
109 bool KeybSetKey(
110 	PSKeyManagement pTable,
111 	unsigned char *pbyBSSID,
112 	unsigned long dwKeyIndex,
113 	unsigned long uKeyLength,
114 	PQWORD          pKeyRSC,
115 	unsigned char *pbyKey,
116 	unsigned char byKeyDecMode,
117 	void __iomem *dwIoBase,
118 	unsigned char byLocalID
119 );
120 
121 bool KeybSetDefaultKey(
122 	PSKeyManagement pTable,
123 	unsigned long dwKeyIndex,
124 	unsigned long uKeyLength,
125 	PQWORD          pKeyRSC,
126 	unsigned char *pbyKey,
127 	unsigned char byKeyDecMode,
128 	void __iomem *dwIoBase,
129 	unsigned char byLocalID
130 );
131 
132 bool KeybRemoveKey(
133 	PSKeyManagement pTable,
134 	unsigned char *pbyBSSID,
135 	unsigned long dwKeyIndex,
136 	void __iomem *dwIoBase
137 );
138 
139 bool KeybGetTransmitKey(
140 	PSKeyManagement pTable,
141 	unsigned char *pbyBSSID,
142 	unsigned long dwKeyType,
143 	PSKeyItem       *pKey
144 );
145 
146 bool KeybCheckPairewiseKey(
147 	PSKeyManagement pTable,
148 	PSKeyItem       *pKey
149 );
150 
151 bool KeybRemoveAllKey(
152 	PSKeyManagement pTable,
153 	unsigned char *pbyBSSID,
154 	void __iomem *dwIoBase
155 );
156 
157 void KeyvRemoveWEPKey(
158 	PSKeyManagement pTable,
159 	unsigned long dwKeyIndex,
160 	void __iomem *dwIoBase
161 );
162 
163 void KeyvRemoveAllWEPKey(
164 	PSKeyManagement pTable,
165 	void __iomem *dwIoBase
166 );
167 
168 bool KeybSetAllGroupKey(
169 	PSKeyManagement pTable,
170 	unsigned long dwKeyIndex,
171 	unsigned long uKeyLength,
172 	PQWORD          pKeyRSC,
173 	unsigned char *pbyKey,
174 	unsigned char byKeyDecMode,
175 	void __iomem *dwIoBase,
176 	unsigned char byLocalID
177 );
178 
179 #endif // __KEY_H__
180