| /* |
| * 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" |
| |
| #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 |
| |
| // |
| // IEEE 802.11 Structures and definitions |
| // |
| |
| typedef struct tagSERPObject { |
| bool bERPExist; |
| u8 byERP; |
| } ERPObject, *PERPObject; |
| |
| typedef struct tagSRSNCapObject { |
| bool bRSNCapExist; |
| u16 wRSNCap; |
| } SRSNCapObject, *PSRSNCapObject; |
| |
| // BSS info(AP) |
| typedef struct tagKnownBSS { |
| // BSS info |
| bool bActive; |
| u8 abyBSSID[WLAN_BSSID_LEN]; |
| unsigned int uChannel; |
| u8 abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; |
| u8 abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; |
| unsigned int uRSSI; |
| u8 bySQ; |
| u16 wBeaconInterval; |
| u16 wCapInfo; |
| u8 abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1]; |
| u8 byRxRate; |
| |
| // u16 wATIMWindow; |
| u8 byRSSIStatCnt; |
| signed long ldBmMAX; |
| signed long ldBmAverage[RSSI_STAT_COUNT]; |
| signed long ldBmAverRange; |
| //For any BSSID selection improvment |
| bool bSelected; |
| |
| //++ WPA informations |
| bool bWPAValid; |
| u8 byGKType; |
| u8 abyPKType[4]; |
| u16 wPKCount; |
| u8 abyAuthType[4]; |
| u16 wAuthCount; |
| u8 byDefaultK_as_PK; |
| u8 byReplayIdx; |
| //-- |
| |
| //++ WPA2 informations |
| bool bWPA2Valid; |
| u8 byCSSGK; |
| u16 wCSSPKCount; |
| u8 abyCSSPK[4]; |
| u16 wAKMSSAuthCount; |
| u8 abyAKMSSAuthType[4]; |
| |
| //++ wpactl |
| u8 byWPAIE[MAX_WPA_IE_LEN]; |
| u8 byRSNIE[MAX_WPA_IE_LEN]; |
| u16 wWPALen; |
| u16 wRSNLen; |
| |
| // Clear count |
| unsigned int uClearCount; |
| // u8 abyIEs[WLAN_BEACON_FR_MAXLEN]; |
| unsigned int uIELength; |
| u64 qwBSSTimestamp; |
| u64 qwLocalTSF;/* local TSF timer */ |
| |
| CARD_PHY_TYPE eNetworkTypeInUse; |
| |
| ERPObject sERP; |
| SRSNCapObject sRSNCapObj; |
| u8 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; |
| u8 abyMACAddr[WLAN_ADDR_LEN]; |
| u8 abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN]; |
| u8 abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN]; |
| u16 wTxDataRate; |
| bool bShortPreamble; |
| bool bERPExist; |
| bool bShortSlotTime; |
| unsigned int uInActiveCount; |
| u16 wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp. |
| u16 wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon. |
| u16 wSuppRate; |
| u8 byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode |
| u8 byTopCCKBasicRate; //Records the highest basic rate in CCK mode |
| |
| // For AP mode |
| struct sk_buff_head sTxPSQueue; |
| u16 wCapInfo; |
| u16 wListenInterval; |
| u16 wAID; |
| NODE_STATE eNodeState; |
| bool bPSEnable; |
| bool bRxPSPoll; |
| u8 byAuthSequence; |
| unsigned long ulLastRxJiffer; |
| u8 bySuppRate; |
| u32 dwFlags; |
| u16 wEnQueueCnt; |
| |
| bool bOnFly; |
| unsigned long long KeyRSC; |
| u8 byKeyIndex; |
| u32 dwKeyIndex; |
| u8 byCipherSuite; |
| u32 dwTSC47_16; |
| u16 wTSC15_0; |
| unsigned int uWepKeyLength; |
| u8 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; |
| |
| 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 *, u8 * 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 work_struct *work); |
| |
| void BSSvUpdateNodeTxCounter(struct vnt_private *, 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__ */ |
