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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: bssdb.h
*
* Purpose: Handles the Basic Service Set & Node Database functions
*
* Author: Lyndon Chen
*
* Date: July 16, 2002
*
*/
#ifndef __BSSDB_H__
#define __BSSDB_H__
#include <linux/skbuff.h>
#include "80211hdr.h"
#include "80211mgr.h"
#include "card.h"
#include "mib.h"
/*--------------------- Export Definitions -------------------------*/
#define MAX_NODE_NUM 64
#define MAX_BSS_NUM 42
#define LOST_BEACON_COUNT 10 /* 10 sec, XP defined */
#define MAX_PS_TX_BUF 32 // sta max power saving tx buf
#define ADHOC_LOST_BEACON_COUNT 30 // 30 sec, beacon lost for adhoc only
#define MAX_INACTIVE_COUNT 300 // 300 sec, inactive STA node refresh
#define USE_PROTECT_PERIOD 10 // 10 sec, Use protect mode check period
#define ERP_RECOVER_COUNT 30 // 30 sec, ERP support callback check
#define BSS_CLEAR_COUNT 1
#define RSSI_STAT_COUNT 10
#define MAX_CHECK_RSSI_COUNT 8
// STA dwflags
#define WLAN_STA_AUTH BIT0
#define WLAN_STA_ASSOC BIT1
#define WLAN_STA_PS BIT2
#define WLAN_STA_TIM BIT3
// permanent; do not remove entry on expiration
#define WLAN_STA_PERM BIT4
// If 802.1X is used, this flag is
// controlling whether STA is authorized to
// send and receive non-IEEE 802.1X frames
#define WLAN_STA_AUTHORIZED BIT5
#define MAX_WPA_IE_LEN 64
/*--------------------- Export Classes ----------------------------*/
/*--------------------- Export Variables --------------------------*/
/*--------------------- Export Types ------------------------------*/
//
// IEEE 802.11 Structures and definitions
//
typedef struct tagSERPObject {
bool bERPExist;
BYTE byERP;
} ERPObject, *PERPObject;
typedef struct tagSRSNCapObject {
bool bRSNCapExist;
WORD wRSNCap;
} SRSNCapObject, *PSRSNCapObject;
// BSS info(AP)
typedef struct tagKnownBSS {
// BSS info
bool bActive;
BYTE abyBSSID[WLAN_BSSID_LEN];
unsigned int uChannel;
BYTE abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
BYTE abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
unsigned int uRSSI;
BYTE bySQ;
WORD wBeaconInterval;
WORD wCapInfo;
BYTE abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
BYTE byRxRate;
// WORD wATIMWindow;
BYTE byRSSIStatCnt;
signed long ldBmMAX;
signed long ldBmAverage[RSSI_STAT_COUNT];
signed long ldBmAverRange;
//For any BSSID selection improvment
bool bSelected;
//++ WPA informations
bool bWPAValid;
BYTE byGKType;
BYTE abyPKType[4];
WORD wPKCount;
BYTE abyAuthType[4];
WORD wAuthCount;
BYTE byDefaultK_as_PK;
BYTE byReplayIdx;
//--
//++ WPA2 informations
bool bWPA2Valid;
BYTE byCSSGK;
WORD wCSSPKCount;
BYTE abyCSSPK[4];
WORD wAKMSSAuthCount;
BYTE abyAKMSSAuthType[4];
//++ wpactl
BYTE byWPAIE[MAX_WPA_IE_LEN];
BYTE byRSNIE[MAX_WPA_IE_LEN];
WORD wWPALen;
WORD wRSNLen;
// Clear count
unsigned int uClearCount;
// BYTE abyIEs[WLAN_BEACON_FR_MAXLEN];
unsigned int uIELength;
u64 qwBSSTimestamp;
u64 qwLocalTSF;/* local TSF timer */
CARD_PHY_TYPE eNetworkTypeInUse;
ERPObject sERP;
SRSNCapObject sRSNCapObj;
BYTE abyIEs[1024]; // don't move this field !!
} __attribute__ ((__packed__))
KnownBSS , *PKnownBSS;
typedef enum tagNODE_STATE {
NODE_FREE,
NODE_AGED,
NODE_KNOWN,
NODE_AUTH,
NODE_ASSOC
} NODE_STATE, *PNODE_STATE;
// STA node info
typedef struct tagKnownNodeDB {
// STA info
bool bActive;
BYTE abyMACAddr[WLAN_ADDR_LEN];
BYTE abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
BYTE abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
WORD wTxDataRate;
bool bShortPreamble;
bool bERPExist;
bool bShortSlotTime;
unsigned int uInActiveCount;
WORD wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp.
WORD wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon.
WORD wSuppRate;
BYTE byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
BYTE byTopCCKBasicRate; //Records the highest basic rate in CCK mode
// For AP mode
struct sk_buff_head sTxPSQueue;
WORD wCapInfo;
WORD wListenInterval;
WORD wAID;
NODE_STATE eNodeState;
bool bPSEnable;
bool bRxPSPoll;
BYTE byAuthSequence;
unsigned long ulLastRxJiffer;
BYTE bySuppRate;
DWORD dwFlags;
WORD wEnQueueCnt;
bool bOnFly;
unsigned long long KeyRSC;
BYTE byKeyIndex;
DWORD dwKeyIndex;
BYTE byCipherSuite;
DWORD dwTSC47_16;
WORD wTSC15_0;
unsigned int uWepKeyLength;
BYTE abyWepKey[WLAN_WEPMAX_KEYLEN];
//
// Auto rate fallback vars
bool bIsInFallback;
unsigned int uAverageRSSI;
unsigned int uRateRecoveryTimeout;
unsigned int uRatePollTimeout;
unsigned int uTxFailures;
unsigned int uTxAttempts;
unsigned int uTxRetry;
unsigned int uFailureRatio;
unsigned int uRetryRatio;
unsigned int uTxOk[MAX_RATE+1];
unsigned int uTxFail[MAX_RATE+1];
unsigned int uTimeCount;
} KnownNodeDB, *PKnownNodeDB;
/*--------------------- Export Functions --------------------------*/
PKnownBSS BSSpSearchBSSList(struct vnt_private *, u8 *pbyDesireBSSID,
u8 *pbyDesireSSID, CARD_PHY_TYPE ePhyType);
PKnownBSS BSSpAddrIsInBSSList(struct vnt_private *, u8 *abyBSSID,
PWLAN_IE_SSID pSSID);
void BSSvClearBSSList(struct vnt_private *, int bKeepCurrBSSID);
int BSSbInsertToBSSList(struct vnt_private *,
u8 *abyBSSIDAddr,
u64 qwTimestamp,
u16 wBeaconInterval,
u16 wCapInfo,
u8 byCurrChannel,
PWLAN_IE_SSID pSSID,
PWLAN_IE_SUPP_RATES pSuppRates,
PWLAN_IE_SUPP_RATES pExtSuppRates,
PERPObject psERP,
PWLAN_IE_RSN pRSN,
PWLAN_IE_RSN_EXT pRSNWPA,
PWLAN_IE_COUNTRY pIE_Country,
PWLAN_IE_QUIET pIE_Quiet,
u32 uIELength,
u8 *pbyIEs,
void *pRxPacketContext);
int BSSbUpdateToBSSList(struct vnt_private *,
u64 qwTimestamp,
u16 wBeaconInterval,
u16 wCapInfo,
u8 byCurrChannel,
int bChannelHit,
PWLAN_IE_SSID pSSID,
PWLAN_IE_SUPP_RATES pSuppRates,
PWLAN_IE_SUPP_RATES pExtSuppRates,
PERPObject psERP,
PWLAN_IE_RSN pRSN,
PWLAN_IE_RSN_EXT pRSNWPA,
PWLAN_IE_COUNTRY pIE_Country,
PWLAN_IE_QUIET pIE_Quiet,
PKnownBSS pBSSList,
u32 uIELength,
u8 *pbyIEs,
void *pRxPacketContext);
int BSSbIsSTAInNodeDB(struct vnt_private *, PBYTE abyDstAddr,
u32 *puNodeIndex);
void BSSvCreateOneNode(struct vnt_private *, u32 *puNodeIndex);
void BSSvUpdateAPNode(struct vnt_private *, u16 *pwCapInfo,
PWLAN_IE_SUPP_RATES pItemRates, PWLAN_IE_SUPP_RATES pExtSuppRates);
void BSSvSecondCallBack(struct vnt_private *);
void BSSvUpdateNodeTxCounter(struct vnt_private *, PSStatCounter pStatistic,
u8 byTSR, u8 byPktNO);
void BSSvRemoveOneNode(struct vnt_private *, u32 uNodeIndex);
void BSSvAddMulticastNode(struct vnt_private *);
void BSSvClearNodeDBTable(struct vnt_private *, u32 uStartIndex);
void BSSvClearAnyBSSJoinRecord(struct vnt_private *);
#endif /* __BSSDB_H__ */
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