bssdb.h revision 6b35b7b3798b652a57fbce480f350aac851431c4
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 38/*--------------------- Export Definitions -------------------------*/ 39 40#define MAX_NODE_NUM 64 41#define MAX_BSS_NUM 42 42#define LOST_BEACON_COUNT 10 // 10 sec, XP defined 43#define MAX_PS_TX_BUF 32 // sta max power saving tx buf 44#define ADHOC_LOST_BEACON_COUNT 30 // 30 sec, beacon lost for adhoc only 45#define MAX_INACTIVE_COUNT 300 // 300 sec, inactive STA node refresh 46 47#define USE_PROTECT_PERIOD 10 // 10 sec, Use protect mode check period 48#define ERP_RECOVER_COUNT 30 // 30 sec, ERP support callback check 49#define BSS_CLEAR_COUNT 1 50 51#define RSSI_STAT_COUNT 10 52#define MAX_CHECK_RSSI_COUNT 8 53 54// STA dwflags 55#define WLAN_STA_AUTH BIT0 56#define WLAN_STA_ASSOC BIT1 57#define WLAN_STA_PS BIT2 58#define WLAN_STA_TIM BIT3 59// permanent; do not remove entry on expiration 60#define WLAN_STA_PERM BIT4 61// If 802.1X is used, this flag is 62// controlling whether STA is authorized to 63// send and receive non-IEEE 802.1X frames 64#define WLAN_STA_AUTHORIZED BIT5 65 66#define MAX_RATE 12 67 68#define MAX_WPA_IE_LEN 64 69 70 71/*--------------------- Export Classes ----------------------------*/ 72 73/*--------------------- Export Variables --------------------------*/ 74 75 76/*--------------------- Export Types ------------------------------*/ 77 78// 79// IEEE 802.11 Structures and definitions 80// 81 82typedef enum _NDIS_802_11_NETWORK_TYPE 83{ 84 Ndis802_11FH, 85 Ndis802_11DS, 86 Ndis802_11OFDM5, 87 Ndis802_11OFDM24, 88 Ndis802_11NetworkTypeMax // not a real type, defined as an upper bound 89} NDIS_802_11_NETWORK_TYPE, *PNDIS_802_11_NETWORK_TYPE; 90 91 92typedef struct tagSERPObject { 93 BOOL bERPExist; 94 BYTE byERP; 95}ERPObject, *PERPObject; 96 97 98typedef struct tagSRSNCapObject { 99 BOOL bRSNCapExist; 100 WORD wRSNCap; 101}SRSNCapObject, *PSRSNCapObject; 102 103// BSS info(AP) 104#pragma pack(1) 105typedef struct tagKnownBSS { 106 // BSS info 107 BOOL bActive; 108 BYTE abyBSSID[WLAN_BSSID_LEN]; 109 UINT uChannel; 110 BYTE abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; 111 BYTE abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; 112 UINT uRSSI; 113 BYTE bySQ; 114 WORD wBeaconInterval; 115 WORD wCapInfo; 116 BYTE abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1]; 117 BYTE byRxRate; 118 119// WORD wATIMWindow; 120 BYTE byRSSIStatCnt; 121 LONG ldBmMAX; 122 LONG ldBmAverage[RSSI_STAT_COUNT]; 123 LONG ldBmAverRange; 124 //For any BSSID selection improvment 125 BOOL bSelected; 126 127 //++ WPA informations 128 BOOL bWPAValid; 129 BYTE byGKType; 130 BYTE abyPKType[4]; 131 WORD wPKCount; 132 BYTE abyAuthType[4]; 133 WORD wAuthCount; 134 BYTE byDefaultK_as_PK; 135 BYTE byReplayIdx; 136 //-- 137 138 //++ WPA2 informations 139 BOOL bWPA2Valid; 140 BYTE byCSSGK; 141 WORD wCSSPKCount; 142 BYTE abyCSSPK[4]; 143 WORD wAKMSSAuthCount; 144 BYTE abyAKMSSAuthType[4]; 145 146 //++ wpactl 147 BYTE byWPAIE[MAX_WPA_IE_LEN]; 148 BYTE byRSNIE[MAX_WPA_IE_LEN]; 149 WORD wWPALen; 150 WORD wRSNLen; 151 152 // Clear count 153 UINT uClearCount; 154// BYTE abyIEs[WLAN_BEACON_FR_MAXLEN]; 155 UINT uIELength; 156 QWORD qwBSSTimestamp; 157 QWORD qwLocalTSF; // local TSF timer 158 159// NDIS_802_11_NETWORK_TYPE NetworkTypeInUse; 160 CARD_PHY_TYPE eNetworkTypeInUse; 161 162 ERPObject sERP; 163 SRSNCapObject sRSNCapObj; 164 BYTE abyIEs[1024]; // don't move this field !! 165 166}__attribute__ ((__packed__)) 167KnownBSS , *PKnownBSS; 168 169//2006-1116-01,<Add> by NomadZhao 170#pragma pack() 171 172typedef enum tagNODE_STATE { 173 NODE_FREE, 174 NODE_AGED, 175 NODE_KNOWN, 176 NODE_AUTH, 177 NODE_ASSOC 178} NODE_STATE, *PNODE_STATE; 179 180 181// STA node info 182typedef struct tagKnownNodeDB { 183 // STA info 184 BOOL bActive; 185 BYTE abyMACAddr[WLAN_ADDR_LEN]; 186 BYTE abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN]; 187 BYTE abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN]; 188 WORD wTxDataRate; 189 BOOL bShortPreamble; 190 BOOL bERPExist; 191 BOOL bShortSlotTime; 192 UINT uInActiveCount; 193 WORD wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp. 194 WORD wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon. 195 WORD wSuppRate; 196 BYTE byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode 197 BYTE byTopCCKBasicRate; //Records the highest basic rate in CCK mode 198 199 // For AP mode 200 struct sk_buff_head sTxPSQueue; 201 WORD wCapInfo; 202 WORD wListenInterval; 203 WORD wAID; 204 NODE_STATE eNodeState; 205 BOOL bPSEnable; 206 BOOL bRxPSPoll; 207 BYTE byAuthSequence; 208 ULONG ulLastRxJiffer; 209 BYTE bySuppRate; 210 DWORD dwFlags; 211 WORD wEnQueueCnt; 212 213 BOOL bOnFly; 214 ULONGLONG KeyRSC; 215 BYTE byKeyIndex; 216 DWORD dwKeyIndex; 217 BYTE byCipherSuite; 218 DWORD dwTSC47_16; 219 WORD wTSC15_0; 220 UINT uWepKeyLength; 221 BYTE abyWepKey[WLAN_WEPMAX_KEYLEN]; 222 // 223 // Auto rate fallback vars 224 BOOL bIsInFallback; 225 UINT uAverageRSSI; 226 UINT uRateRecoveryTimeout; 227 UINT uRatePollTimeout; 228 UINT uTxFailures; 229 UINT uTxAttempts; 230 231 UINT uTxRetry; 232 UINT uFailureRatio; 233 UINT uRetryRatio; 234 UINT uTxOk[MAX_RATE+1]; 235 UINT uTxFail[MAX_RATE+1]; 236 UINT uTimeCount; 237 238} KnownNodeDB, *PKnownNodeDB; 239 240 241/*--------------------- Export Functions --------------------------*/ 242 243 244 245PKnownBSS 246BSSpSearchBSSList( 247 IN HANDLE hDeviceContext, 248 IN PBYTE pbyDesireBSSID, 249 IN PBYTE pbyDesireSSID, 250 IN CARD_PHY_TYPE ePhyType 251 ); 252 253PKnownBSS 254BSSpAddrIsInBSSList( 255 IN HANDLE hDeviceContext, 256 IN PBYTE abyBSSID, 257 IN PWLAN_IE_SSID pSSID 258 ); 259 260void 261BSSvClearBSSList( 262 IN HANDLE hDeviceContext, 263 IN BOOL bKeepCurrBSSID 264 ); 265 266BOOL 267BSSbInsertToBSSList( 268 IN HANDLE hDeviceContext, 269 IN PBYTE abyBSSIDAddr, 270 IN QWORD qwTimestamp, 271 IN WORD wBeaconInterval, 272 IN WORD wCapInfo, 273 IN BYTE byCurrChannel, 274 IN PWLAN_IE_SSID pSSID, 275 IN PWLAN_IE_SUPP_RATES pSuppRates, 276 IN PWLAN_IE_SUPP_RATES pExtSuppRates, 277 IN PERPObject psERP, 278 IN PWLAN_IE_RSN pRSN, 279 IN PWLAN_IE_RSN_EXT pRSNWPA, 280 IN PWLAN_IE_COUNTRY pIE_Country, 281 IN PWLAN_IE_QUIET pIE_Quiet, 282 IN UINT uIELength, 283 IN PBYTE pbyIEs, 284 IN HANDLE pRxPacketContext 285 ); 286 287 288BOOL 289BSSbUpdateToBSSList( 290 IN HANDLE hDeviceContext, 291 IN QWORD qwTimestamp, 292 IN WORD wBeaconInterval, 293 IN WORD wCapInfo, 294 IN BYTE byCurrChannel, 295 IN BOOL bChannelHit, 296 IN PWLAN_IE_SSID pSSID, 297 IN PWLAN_IE_SUPP_RATES pSuppRates, 298 IN PWLAN_IE_SUPP_RATES pExtSuppRates, 299 IN PERPObject psERP, 300 IN PWLAN_IE_RSN pRSN, 301 IN PWLAN_IE_RSN_EXT pRSNWPA, 302 IN PWLAN_IE_COUNTRY pIE_Country, 303 IN PWLAN_IE_QUIET pIE_Quiet, 304 IN PKnownBSS pBSSList, 305 IN UINT uIELength, 306 IN PBYTE pbyIEs, 307 IN HANDLE pRxPacketContext 308 ); 309 310 311BOOL 312BSSDBbIsSTAInNodeDB( 313 IN HANDLE hDeviceContext, 314 IN PBYTE abyDstAddr, 315 OUT PUINT puNodeIndex 316 ); 317 318void 319BSSvCreateOneNode( 320 IN HANDLE hDeviceContext, 321 OUT PUINT puNodeIndex 322 ); 323 324void 325BSSvUpdateAPNode( 326 IN HANDLE hDeviceContext, 327 IN PWORD pwCapInfo, 328 IN PWLAN_IE_SUPP_RATES pItemRates, 329 IN PWLAN_IE_SUPP_RATES pExtSuppRates 330 ); 331 332 333void 334BSSvSecondCallBack( 335 IN HANDLE hDeviceContext 336 ); 337 338 339void 340BSSvUpdateNodeTxCounter( 341 IN HANDLE hDeviceContext, 342 IN BYTE byTsr0, 343 IN BYTE byTsr1, 344 IN PBYTE pbyBuffer, 345 IN UINT uFIFOHeaderSize 346 ); 347 348void 349BSSvRemoveOneNode( 350 IN HANDLE hDeviceContext, 351 IN UINT uNodeIndex 352 ); 353 354void 355BSSvAddMulticastNode( 356 IN HANDLE hDeviceContext 357 ); 358 359 360void 361BSSvClearNodeDBTable( 362 IN HANDLE hDeviceContext, 363 IN UINT uStartIndex 364 ); 365 366void 367BSSvClearAnyBSSJoinRecord( 368 IN HANDLE hDeviceContext 369 ); 370 371#endif //__BSSDB_H__ 372