📄 bssdb.h
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/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This software is copyrighted by and is the sole property of
* VIA Networking Technologies, Inc. This software may only be used
* in accordance with the corresponding license agreement. Any unauthorized
* use, duplication, transmission, distribution, or disclosure of this
* software is expressly forbidden.
*
* This software is provided by VIA Networking Technologies, Inc. "as is"
* and any express or implied warranties, including, but not limited to, the
* implied warranties of merchantability and fitness for a particular purpose
* are disclaimed. In no event shall VIA Networking Technologies, Inc.
* be liable for any direct, indirect, incidental, special, exemplary, or
* consequential damages.
*
*
* 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__
//#if !defined(__DEVICE_H__)
//#include "device.h"
//#endif
#include <linux/skbuff.h>
#if !defined(__80211HDR_H__)
#include "80211hdr.h"
#endif
#if !defined(__80211MGR_H__)
#include "80211mgr.h"
#endif
#if !defined(__CARD_H__)
#include "card.h"
#endif
/*--------------------- 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 enum _NDIS_802_11_NETWORK_TYPE
{
Ndis802_11FH,
Ndis802_11DS,
Ndis802_11OFDM5,
Ndis802_11OFDM24,
Ndis802_11NetworkTypeMax // not a real type, defined as an upper bound
} NDIS_802_11_NETWORK_TYPE, *PNDIS_802_11_NETWORK_TYPE;
typedef struct tagSERPObject {
BOOL bERPExist;
BYTE byERP;
} ERPObject, DEF* PERPObject;
typedef struct tagSRSNCapObject {
BOOL bRSNCapExist;
WORD wRSNCap;
} SRSNCapObject, DEF* 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];
//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
// NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
CARD_PHY_TYPE eNetworkTypeInUse;
ERPObject sERP;
SRSNCapObject sRSNCapObj;
BYTE abyIEs[1024]; // don't move this field !!
}__attribute__ ((__packed__))
KnownBSS , DEF* 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, DEF* 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
BSSDBbIsSTAInNodeDB(
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 BYTE byTsr0,
IN BYTE byTsr1,
IN PBYTE pbyBuffer,
IN UINT uFIFOHeaderSize
);
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__
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