Linux-2.6.33.2/drivers/staging/vt6656/bssdb.h
/*
* 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_RATE 12
#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)
#pragma pack(1)
typedef struct tagKnownBSS {
// BSS info
BOOL bActive;
BYTE abyBSSID[WLAN_BSSID_LEN];
UINT uChannel;
BYTE abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
BYTE abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
UINT uRSSI;
BYTE bySQ;
WORD wBeaconInterval;
WORD wCapInfo;
BYTE abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
BYTE byRxRate;
// WORD wATIMWindow;
BYTE byRSSIStatCnt;
LONG ldBmMAX;
LONG ldBmAverage[RSSI_STAT_COUNT];
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
UINT uClearCount;
// BYTE abyIEs[WLAN_BEACON_FR_MAXLEN];
UINT uIELength;
QWORD qwBSSTimestamp;
QWORD 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;
UINT 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;
ULONG ulLastRxJiffer;
BYTE bySuppRate;
DWORD dwFlags;
WORD wEnQueueCnt;
BOOL bOnFly;
ULONGLONG KeyRSC;
BYTE byKeyIndex;
DWORD dwKeyIndex;
BYTE byCipherSuite;
DWORD dwTSC47_16;
WORD wTSC15_0;
UINT uWepKeyLength;
BYTE abyWepKey[WLAN_WEPMAX_KEYLEN];
//
// Auto rate fallback vars
BOOL bIsInFallback;
UINT uAverageRSSI;
UINT uRateRecoveryTimeout;
UINT uRatePollTimeout;
UINT uTxFailures;
UINT uTxAttempts;
UINT uTxRetry;
UINT uFailureRatio;
UINT uRetryRatio;
UINT uTxOk[MAX_RATE+1];
UINT uTxFail[MAX_RATE+1];
UINT uTimeCount;
} KnownNodeDB, *PKnownNodeDB;
/*--------------------- Export Functions --------------------------*/
PKnownBSS
BSSpSearchBSSList(
IN HANDLE hDeviceContext,
IN PBYTE pbyDesireBSSID,
IN PBYTE pbyDesireSSID,
IN CARD_PHY_TYPE ePhyType
);
PKnownBSS
BSSpAddrIsInBSSList(
IN HANDLE hDeviceContext,
IN PBYTE abyBSSID,
IN PWLAN_IE_SSID pSSID
);
VOID
BSSvClearBSSList(
IN HANDLE hDeviceContext,
IN BOOL bKeepCurrBSSID
);
BOOL
BSSbInsertToBSSList(
IN HANDLE hDeviceContext,
IN PBYTE abyBSSIDAddr,
IN QWORD qwTimestamp,
IN WORD wBeaconInterval,
IN WORD wCapInfo,
IN BYTE byCurrChannel,
IN PWLAN_IE_SSID pSSID,
IN PWLAN_IE_SUPP_RATES pSuppRates,
IN PWLAN_IE_SUPP_RATES pExtSuppRates,
IN PERPObject psERP,
IN PWLAN_IE_RSN pRSN,
IN PWLAN_IE_RSN_EXT pRSNWPA,
IN PWLAN_IE_COUNTRY pIE_Country,
IN PWLAN_IE_QUIET pIE_Quiet,
IN UINT uIELength,
IN PBYTE pbyIEs,
IN HANDLE pRxPacketContext
);
BOOL
BSSbUpdateToBSSList(
IN HANDLE hDeviceContext,
IN QWORD qwTimestamp,
IN WORD wBeaconInterval,
IN WORD wCapInfo,
IN BYTE byCurrChannel,
IN BOOL bChannelHit,
IN PWLAN_IE_SSID pSSID,
IN PWLAN_IE_SUPP_RATES pSuppRates,
IN PWLAN_IE_SUPP_RATES pExtSuppRates,
IN PERPObject psERP,
IN PWLAN_IE_RSN pRSN,
IN PWLAN_IE_RSN_EXT pRSNWPA,
IN PWLAN_IE_COUNTRY pIE_Country,
IN PWLAN_IE_QUIET pIE_Quiet,
IN PKnownBSS pBSSList,
IN UINT uIELength,
IN PBYTE pbyIEs,
IN HANDLE pRxPacketContext
);
BOOL
BSSbIsSTAInNodeDB(
IN HANDLE hDeviceContext,
IN PBYTE abyDstAddr,
OUT PUINT puNodeIndex
);
VOID
BSSvCreateOneNode(
IN HANDLE hDeviceContext,
OUT PUINT puNodeIndex
);
VOID
BSSvUpdateAPNode(
IN HANDLE hDeviceContext,
IN PWORD pwCapInfo,
IN PWLAN_IE_SUPP_RATES pItemRates,
IN PWLAN_IE_SUPP_RATES pExtSuppRates
);
VOID
BSSvSecondCallBack(
IN HANDLE hDeviceContext
);
VOID
BSSvUpdateNodeTxCounter(
IN HANDLE hDeviceContext,
IN PSStatCounter pStatistic,
IN BYTE byTSR,
IN BYTE byPktNO
);
VOID
BSSvRemoveOneNode(
IN HANDLE hDeviceContext,
IN UINT uNodeIndex
);
VOID
BSSvAddMulticastNode(
IN HANDLE hDeviceContext
);
VOID
BSSvClearNodeDBTable(
IN HANDLE hDeviceContext,
IN UINT uStartIndex
);
VOID
BSSvClearAnyBSSJoinRecord(
IN HANDLE hDeviceContext
);
#endif //__BSSDB_H__