| 1 | /* |
| 2 | * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * |
| 20 | * File: bssdb.h |
| 21 | * |
| 22 | * Purpose: Handles the Basic Service Set & Node Database functions |
| 23 | * |
| 24 | * Author: Lyndon Chen |
| 25 | * |
| 26 | * Date: July 16, 2002 |
| 27 | * |
| 28 | */ |
| 29 | |
| 30 | #ifndef __BSSDB_H__ |
| 31 | #define __BSSDB_H__ |
| 32 | |
| 33 | #include <linux/skbuff.h> |
| 34 | #include "80211hdr.h" |
| 35 | #include "80211mgr.h" |
| 36 | #include "card.h" |
| 37 | #include "mib.h" |
| 38 | |
| 39 | #define MAX_NODE_NUM 64 |
| 40 | #define MAX_BSS_NUM 42 |
| 41 | #define LOST_BEACON_COUNT 10 /* 10 sec, XP defined */ |
| 42 | #define MAX_PS_TX_BUF 32 // sta max power saving tx buf |
| 43 | #define ADHOC_LOST_BEACON_COUNT 30 // 30 sec, beacon lost for adhoc only |
| 44 | #define MAX_INACTIVE_COUNT 300 // 300 sec, inactive STA node refresh |
| 45 | |
| 46 | #define USE_PROTECT_PERIOD 10 // 10 sec, Use protect mode check period |
| 47 | #define ERP_RECOVER_COUNT 30 // 30 sec, ERP support callback check |
| 48 | #define BSS_CLEAR_COUNT 1 |
| 49 | |
| 50 | #define RSSI_STAT_COUNT 10 |
| 51 | #define MAX_CHECK_RSSI_COUNT 8 |
| 52 | |
| 53 | // STA dwflags |
| 54 | #define WLAN_STA_AUTH BIT0 |
| 55 | #define WLAN_STA_ASSOC BIT1 |
| 56 | #define WLAN_STA_PS BIT2 |
| 57 | #define WLAN_STA_TIM BIT3 |
| 58 | // permanent; do not remove entry on expiration |
| 59 | #define WLAN_STA_PERM BIT4 |
| 60 | // If 802.1X is used, this flag is |
| 61 | // controlling whether STA is authorized to |
| 62 | // send and receive non-IEEE 802.1X frames |
| 63 | #define WLAN_STA_AUTHORIZED BIT5 |
| 64 | |
| 65 | #define MAX_WPA_IE_LEN 64 |
| 66 | |
| 67 | // |
| 68 | // IEEE 802.11 Structures and definitions |
| 69 | // |
| 70 | |
| 71 | typedef struct tagSERPObject { |
| 72 | bool bERPExist; |
| 73 | u8 byERP; |
| 74 | } ERPObject, *PERPObject; |
| 75 | |
| 76 | typedef struct tagSRSNCapObject { |
| 77 | bool bRSNCapExist; |
| 78 | u16 wRSNCap; |
| 79 | } SRSNCapObject, *PSRSNCapObject; |
| 80 | |
| 81 | // BSS info(AP) |
| 82 | typedef struct tagKnownBSS { |
| 83 | // BSS info |
| 84 | bool bActive; |
| 85 | u8 abyBSSID[WLAN_BSSID_LEN]; |
| 86 | unsigned int uChannel; |
| 87 | u8 abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; |
| 88 | u8 abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; |
| 89 | unsigned int uRSSI; |
| 90 | u8 bySQ; |
| 91 | u16 wBeaconInterval; |
| 92 | u16 wCapInfo; |
| 93 | u8 abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1]; |
| 94 | u8 byRxRate; |
| 95 | |
| 96 | // u16 wATIMWindow; |
| 97 | u8 byRSSIStatCnt; |
| 98 | signed long ldBmMAX; |
| 99 | signed long ldBmAverage[RSSI_STAT_COUNT]; |
| 100 | signed long ldBmAverRange; |
| 101 | //For any BSSID selection improvment |
| 102 | bool bSelected; |
| 103 | |
| 104 | //++ WPA informations |
| 105 | bool bWPAValid; |
| 106 | u8 byGKType; |
| 107 | u8 abyPKType[4]; |
| 108 | u16 wPKCount; |
| 109 | u8 abyAuthType[4]; |
| 110 | u16 wAuthCount; |
| 111 | u8 byDefaultK_as_PK; |
| 112 | u8 byReplayIdx; |
| 113 | //-- |
| 114 | |
| 115 | //++ WPA2 informations |
| 116 | bool bWPA2Valid; |
| 117 | u8 byCSSGK; |
| 118 | u16 wCSSPKCount; |
| 119 | u8 abyCSSPK[4]; |
| 120 | u16 wAKMSSAuthCount; |
| 121 | u8 abyAKMSSAuthType[4]; |
| 122 | |
| 123 | //++ wpactl |
| 124 | u8 byWPAIE[MAX_WPA_IE_LEN]; |
| 125 | u8 byRSNIE[MAX_WPA_IE_LEN]; |
| 126 | u16 wWPALen; |
| 127 | u16 wRSNLen; |
| 128 | |
| 129 | // Clear count |
| 130 | unsigned int uClearCount; |
| 131 | // u8 abyIEs[WLAN_BEACON_FR_MAXLEN]; |
| 132 | unsigned int uIELength; |
| 133 | u64 qwBSSTimestamp; |
| 134 | u64 qwLocalTSF;/* local TSF timer */ |
| 135 | |
| 136 | CARD_PHY_TYPE eNetworkTypeInUse; |
| 137 | |
| 138 | ERPObject sERP; |
| 139 | SRSNCapObject sRSNCapObj; |
| 140 | u8 abyIEs[1024]; // don't move this field !! |
| 141 | |
| 142 | } __attribute__ ((__packed__)) |
| 143 | KnownBSS , *PKnownBSS; |
| 144 | |
| 145 | typedef enum tagNODE_STATE { |
| 146 | NODE_FREE, |
| 147 | NODE_AGED, |
| 148 | NODE_KNOWN, |
| 149 | NODE_AUTH, |
| 150 | NODE_ASSOC |
| 151 | } NODE_STATE, *PNODE_STATE; |
| 152 | |
| 153 | // STA node info |
| 154 | typedef struct tagKnownNodeDB { |
| 155 | // STA info |
| 156 | bool bActive; |
| 157 | u8 abyMACAddr[WLAN_ADDR_LEN]; |
| 158 | u8 abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN]; |
| 159 | u8 abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN]; |
| 160 | u16 wTxDataRate; |
| 161 | bool bShortPreamble; |
| 162 | bool bERPExist; |
| 163 | bool bShortSlotTime; |
| 164 | unsigned int uInActiveCount; |
| 165 | u16 wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp. |
| 166 | u16 wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon. |
| 167 | u16 wSuppRate; |
| 168 | u8 byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode |
| 169 | u8 byTopCCKBasicRate; //Records the highest basic rate in CCK mode |
| 170 | |
| 171 | // For AP mode |
| 172 | struct sk_buff_head sTxPSQueue; |
| 173 | u16 wCapInfo; |
| 174 | u16 wListenInterval; |
| 175 | u16 wAID; |
| 176 | NODE_STATE eNodeState; |
| 177 | bool bPSEnable; |
| 178 | bool bRxPSPoll; |
| 179 | u8 byAuthSequence; |
| 180 | unsigned long ulLastRxJiffer; |
| 181 | u8 bySuppRate; |
| 182 | u32 dwFlags; |
| 183 | u16 wEnQueueCnt; |
| 184 | |
| 185 | bool bOnFly; |
| 186 | unsigned long long KeyRSC; |
| 187 | u8 byKeyIndex; |
| 188 | u32 dwKeyIndex; |
| 189 | u8 byCipherSuite; |
| 190 | u32 dwTSC47_16; |
| 191 | u16 wTSC15_0; |
| 192 | unsigned int uWepKeyLength; |
| 193 | u8 abyWepKey[WLAN_WEPMAX_KEYLEN]; |
| 194 | // |
| 195 | // Auto rate fallback vars |
| 196 | bool bIsInFallback; |
| 197 | unsigned int uAverageRSSI; |
| 198 | unsigned int uRateRecoveryTimeout; |
| 199 | unsigned int uRatePollTimeout; |
| 200 | unsigned int uTxFailures; |
| 201 | unsigned int uTxAttempts; |
| 202 | |
| 203 | unsigned int uTxRetry; |
| 204 | unsigned int uFailureRatio; |
| 205 | unsigned int uRetryRatio; |
| 206 | unsigned int uTxOk[MAX_RATE+1]; |
| 207 | unsigned int uTxFail[MAX_RATE+1]; |
| 208 | unsigned int uTimeCount; |
| 209 | |
| 210 | } KnownNodeDB, *PKnownNodeDB; |
| 211 | |
| 212 | PKnownBSS BSSpSearchBSSList(struct vnt_private *, u8 *pbyDesireBSSID, |
| 213 | u8 *pbyDesireSSID, CARD_PHY_TYPE ePhyType); |
| 214 | |
| 215 | PKnownBSS BSSpAddrIsInBSSList(struct vnt_private *, u8 *abyBSSID, |
| 216 | PWLAN_IE_SSID pSSID); |
| 217 | |
| 218 | void BSSvClearBSSList(struct vnt_private *, int bKeepCurrBSSID); |
| 219 | |
| 220 | int BSSbInsertToBSSList(struct vnt_private *, |
| 221 | u8 *abyBSSIDAddr, |
| 222 | u64 qwTimestamp, |
| 223 | u16 wBeaconInterval, |
| 224 | u16 wCapInfo, |
| 225 | u8 byCurrChannel, |
| 226 | PWLAN_IE_SSID pSSID, |
| 227 | PWLAN_IE_SUPP_RATES pSuppRates, |
| 228 | PWLAN_IE_SUPP_RATES pExtSuppRates, |
| 229 | PERPObject psERP, |
| 230 | PWLAN_IE_RSN pRSN, |
| 231 | PWLAN_IE_RSN_EXT pRSNWPA, |
| 232 | PWLAN_IE_COUNTRY pIE_Country, |
| 233 | PWLAN_IE_QUIET pIE_Quiet, |
| 234 | u32 uIELength, |
| 235 | u8 *pbyIEs, |
| 236 | void *pRxPacketContext); |
| 237 | |
| 238 | int BSSbUpdateToBSSList(struct vnt_private *, |
| 239 | u64 qwTimestamp, |
| 240 | u16 wBeaconInterval, |
| 241 | u16 wCapInfo, |
| 242 | u8 byCurrChannel, |
| 243 | int bChannelHit, |
| 244 | PWLAN_IE_SSID pSSID, |
| 245 | PWLAN_IE_SUPP_RATES pSuppRates, |
| 246 | PWLAN_IE_SUPP_RATES pExtSuppRates, |
| 247 | PERPObject psERP, |
| 248 | PWLAN_IE_RSN pRSN, |
| 249 | PWLAN_IE_RSN_EXT pRSNWPA, |
| 250 | PWLAN_IE_COUNTRY pIE_Country, |
| 251 | PWLAN_IE_QUIET pIE_Quiet, |
| 252 | PKnownBSS pBSSList, |
| 253 | u32 uIELength, |
| 254 | u8 *pbyIEs, |
| 255 | void *pRxPacketContext); |
| 256 | |
| 257 | int BSSbIsSTAInNodeDB(struct vnt_private *, u8 * abyDstAddr, |
| 258 | u32 *puNodeIndex); |
| 259 | |
| 260 | void BSSvCreateOneNode(struct vnt_private *, u32 *puNodeIndex); |
| 261 | |
| 262 | void BSSvUpdateAPNode(struct vnt_private *, u16 *pwCapInfo, |
| 263 | PWLAN_IE_SUPP_RATES pItemRates, PWLAN_IE_SUPP_RATES pExtSuppRates); |
| 264 | |
| 265 | void BSSvSecondCallBack(struct vnt_private *); |
| 266 | |
| 267 | void BSSvUpdateNodeTxCounter(struct vnt_private *, PSStatCounter pStatistic, |
| 268 | u8 byTSR, u8 byPktNO); |
| 269 | |
| 270 | void BSSvRemoveOneNode(struct vnt_private *, u32 uNodeIndex); |
| 271 | |
| 272 | void BSSvAddMulticastNode(struct vnt_private *); |
| 273 | |
| 274 | void BSSvClearNodeDBTable(struct vnt_private *, u32 uStartIndex); |
| 275 | |
| 276 | void BSSvClearAnyBSSJoinRecord(struct vnt_private *); |
| 277 | |
| 278 | #endif /* __BSSDB_H__ */ |