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/*
* 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: key.h
*
* Purpose: Implement functions for 802.11i Key management
*
* Author: Jerry Chen
*
* Date: May 29, 2003
*
*/
#ifndef __KEY_H__
#define __KEY_H__
#include "device.h"
#define MAX_GROUP_KEY 4
#define MAX_KEY_TABLE 11
#define MAX_KEY_LEN 32
#define AES_KEY_LEN 16
#define AUTHENTICATOR_KEY 0x10000000
#define USE_KEYRSC 0x20000000
#define PAIRWISE_KEY 0x40000000
#define TRANSMIT_KEY 0x80000000
#define GROUP_KEY 0x00000000
#define KEY_CTL_WEP 0x00
#define KEY_CTL_NONE 0x01
#define KEY_CTL_TKIP 0x02
#define KEY_CTL_CCMP 0x03
#define KEY_CTL_INVALID 0xFF
#define VNT_KEY_DEFAULTKEY 0x1
#define VNT_KEY_GROUP_ADDRESS 0x2
#define VNT_KEY_ALLGROUP 0x4
#define VNT_KEY_GROUP 0x40
#define VNT_KEY_PAIRWISE 0x00
#define VNT_KEY_ONFLY 0x8000
#define VNT_KEY_ONFLY_ALL 0x4000
typedef struct tagSKeyItem
{
bool bKeyValid;
u32 uKeyLength;
u8 abyKey[MAX_KEY_LEN];
u64 KeyRSC;
u32 dwTSC47_16;
u16 wTSC15_0;
u8 byCipherSuite;
u8 byReserved0;
u32 dwKeyIndex;
void *pvKeyTable;
} SKeyItem, *PSKeyItem; //64
typedef struct tagSKeyTable
{
u8 abyBSSID[ETH_ALEN]; /* 6 */
u8 byReserved0[2]; //8
SKeyItem PairwiseKey;
SKeyItem GroupKey[MAX_GROUP_KEY]; //64*5 = 320, 320+8=328
u32 dwGTKeyIndex; // GroupTransmitKey Index
bool bInUse;
u16 wKeyCtl;
bool bSoftWEP;
u8 byReserved1[6];
} SKeyTable, *PSKeyTable; //352
typedef struct tagSKeyManagement
{
SKeyTable KeyTable[MAX_KEY_TABLE];
} SKeyManagement, *PSKeyManagement;
void KeyvInitTable(struct vnt_private *, PSKeyManagement pTable);
int KeybGetKey(PSKeyManagement pTable, u8 *pbyBSSID, u32 dwKeyIndex,
PSKeyItem *pKey);
int KeybSetKey(struct vnt_private *, PSKeyManagement pTable, u8 *pbyBSSID,
u32 dwKeyIndex, u32 uKeyLength, u64 *KeyRSC, u8 *pbyKey,
u8 byKeyDecMode);
int KeybRemoveKey(struct vnt_private *, PSKeyManagement pTable,
u8 *pbyBSSID, u32 dwKeyIndex);
int KeybRemoveAllKey(struct vnt_private *, PSKeyManagement pTable,
u8 *pbyBSSID);
int KeybGetTransmitKey(PSKeyManagement pTable, u8 *pbyBSSID, u32 dwKeyType,
PSKeyItem *pKey);
int KeybSetDefaultKey(struct vnt_private *, PSKeyManagement pTable,
u32 dwKeyIndex, u32 uKeyLength, u64 *KeyRSC, u8 *pbyKey,
u8 byKeyDecMode);
int KeybSetAllGroupKey(struct vnt_private *, PSKeyManagement pTable,
u32 dwKeyIndex, u32 uKeyLength, u64 *KeyRSC, u8 *pbyKey,
u8 byKeyDecMode);
int vnt_key_init_table(struct vnt_private *);
int vnt_set_keys(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
struct ieee80211_vif *vif, struct ieee80211_key_conf *key);
#endif /* __KEY_H__ */
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