/*
* 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"
/*--------------------- 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;
unsigned char byERP;
}ERPObject, *PERPObject;
typedef struct tagSRSNCapObject {
bool bRSNCapExist;
unsigned short wRSNCap;
}SRSNCapObject, *PSRSNCapObject;
// BSS info(AP)
#pragma pack(1)
typedef struct tagKnownBSS {
// BSS info
bool bActive;
unsigned char abyBSSID[WLAN_BSSID_LEN];
unsigned int uChannel;
unsigned char abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
unsigned char abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
unsigned int uRSSI;
unsigned char bySQ;
unsigned short wBeaconInterval;
unsigned short wCapInfo;
unsigned char abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
unsigned char byRxRate;
// unsigned short wATIMWindow;
unsigned char byRSSIStatCnt;
long ldBmMAX;
long ldBmAverage[RSSI_STAT_COUNT];
long ldBmAverRange;
//For any BSSID selection improvment
bool bSelected;
//++ WPA informations
bool bWPAValid;
unsigned char byGKType;
unsigned char abyPKType[4];
unsigned short wPKCount;
unsigned char abyAuthType[4];
unsigned short wAuthCount;
unsigned char byDefaultK_as_PK;
unsigned char byReplayIdx;
//--
//++ WPA2 informations
bool bWPA2Valid;
unsigned char byCSSGK;
unsigned short wCSSPKCount;
unsigned char abyCSSPK[4];
unsigned short wAKMSSAuthCount;
unsigned char abyAKMSSAuthType[4];
//++ wpactl
unsigned char byWPAIE[MAX_WPA_IE_LEN];
unsigned char byRSNIE[MAX_WPA_IE_LEN];
unsigned short wWPALen;
unsigned short wRSNLen;
// Clear count
unsigned int uClearCount;
// unsigned char abyIEs[WLAN_BEACON_FR_MAXLEN];
unsigned int uIELength;
QWORD qwBSSTimestamp;
QWORD qwLocalTSF; // local TSF timer
// NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
CARD_PHY_TYPE eNetworkTypeInUse;
ERPObject sERP;
SRSNCapObject sRSNCapObj;
unsigned char abyIEs[1024]; // don't move this field !!
}__attribute__ ((__packed__))
KnownBSS , *PKnownBSS;
//2006-1116-01,<Add> by NomadZhao
#pragma pack()
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;
unsigned char abyMACAddr[WLAN_ADDR_LEN];
unsigned char abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
unsigned char abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
unsigned short wTxDataRate;
bool bShortPreamble;
bool bERPExist;
bool bShortSlotTime;
unsigned int uInActiveCount;
unsigned short wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp.
unsigned short wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon.
unsigned short wSuppRate;
unsigned char byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
unsigned char byTopCCKBasicRate; //Records the highest basic rate in CCK mode
// For AP mode
struct sk_buff_head sTxPSQueue;
unsigned short wCapInfo;
unsigned short wListenInterval;
unsigned short wAID;
NODE_STATE eNodeState;
bool bPSEnable;
bool bRxPSPoll;
unsigned char byAuthSequence;
unsigned long ulLastRxJiffer;
unsigned char bySuppRate;
unsigned long dwFlags;
unsigned short wEnQueueCnt;
bool bOnFly;
unsigned long long KeyRSC;
unsigned char byKeyIndex;
unsigned long dwKeyIndex;
unsigned char byCipherSuite;
unsigned long dwTSC47_16;
unsigned short wTSC15_0;
unsigned int uWepKeyLength;
unsigned char 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(
void *hDeviceContext,
unsigned char *pbyDesireBSSID,
unsigned char *pbyDesireSSID,
CARD_PHY_TYPE ePhyType
);
PKnownBSS
BSSpAddrIsInBSSList(
void *hDeviceContext,
unsigned char *abyBSSID,
PWLAN_IE_SSID pSSID
);
void
BSSvClearBSSList(
void *hDeviceContext,
bool bKeepCurrBSSID
);
bool
BSSbInsertToBSSList(
void *hDeviceContext,
unsigned char *abyBSSIDAddr,
QWORD qwTimestamp,
unsigned short wBeaconInterval,
unsigned short wCapInfo,
unsigned char 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,
unsigned int uIELength,
unsigned char *pbyIEs,
void *pRxPacketContext
);
bool
BSSbUpdateToBSSList(
void *hDeviceContext,
QWORD qwTimestamp,
unsigned short wBeaconInterval,
unsigned short wCapInfo,
unsigned char byCurrChannel,
bool 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,
unsigned int uIELength,
unsigned char *pbyIEs,
void *pRxPacketContext
);
bool
BSSDBbIsSTAInNodeDB(void *hDeviceContext, unsigned char *abyDstAddr,
unsigned int *puNodeIndex);
void
BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex);
void
BSSvUpdateAPNode(
void *hDeviceContext,
unsigned short *pwCapInfo,
PWLAN_IE_SUPP_RATES pItemRates,
PWLAN_IE_SUPP_RATES pExtSuppRates
);
void
BSSvSecondCallBack(
void *hDeviceContext
);
void
BSSvUpdateNodeTxCounter(
void *hDeviceContext,
unsigned char byTsr0,
unsigned char byTsr1,
unsigned char *pbyBuffer,
unsigned int uFIFOHeaderSize
);
void
BSSvRemoveOneNode(
void *hDeviceContext,
unsigned int uNodeIndex
);
void
BSSvAddMulticastNode(
void *hDeviceContext
);
void
BSSvClearNodeDBTable(
void *hDeviceContext,
unsigned int uStartIndex
);
void
BSSvClearAnyBSSJoinRecord(
void *hDeviceContext
);
#endif //__BSSDB_H__