2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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.
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.
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.
22 * Purpose: Handles the Basic Service Set & Node Database functions
33 #include <linux/skbuff.h>
39 /*--------------------- Export Definitions -------------------------*/
41 #define MAX_NODE_NUM 64
42 #define MAX_BSS_NUM 42
43 #define LOST_BEACON_COUNT 10 /* 10 sec, XP defined */
44 #define MAX_PS_TX_BUF 32 // sta max power saving tx buf
45 #define ADHOC_LOST_BEACON_COUNT 30 // 30 sec, beacon lost for adhoc only
46 #define MAX_INACTIVE_COUNT 300 // 300 sec, inactive STA node refresh
48 #define USE_PROTECT_PERIOD 10 // 10 sec, Use protect mode check period
49 #define ERP_RECOVER_COUNT 30 // 30 sec, ERP support callback check
50 #define BSS_CLEAR_COUNT 1
52 #define RSSI_STAT_COUNT 10
53 #define MAX_CHECK_RSSI_COUNT 8
56 #define WLAN_STA_AUTH BIT0
57 #define WLAN_STA_ASSOC BIT1
58 #define WLAN_STA_PS BIT2
59 #define WLAN_STA_TIM BIT3
60 // permanent; do not remove entry on expiration
61 #define WLAN_STA_PERM BIT4
62 // If 802.1X is used, this flag is
63 // controlling whether STA is authorized to
64 // send and receive non-IEEE 802.1X frames
65 #define WLAN_STA_AUTHORIZED BIT5
69 #define MAX_WPA_IE_LEN 64
72 /*--------------------- Export Classes ----------------------------*/
74 /*--------------------- Export Variables --------------------------*/
77 /*--------------------- Export Types ------------------------------*/
80 // IEEE 802.11 Structures and definitions
83 typedef struct tagSERPObject {
86 } ERPObject, *PERPObject;
89 typedef struct tagSRSNCapObject {
92 } SRSNCapObject, *PSRSNCapObject;
95 typedef struct tagKnownBSS {
98 BYTE abyBSSID[WLAN_BSSID_LEN];
99 unsigned int uChannel;
100 BYTE abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
101 BYTE abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
104 WORD wBeaconInterval;
106 BYTE abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
112 signed long ldBmAverage[RSSI_STAT_COUNT];
113 signed long ldBmAverRange;
114 //For any BSSID selection improvment
117 //++ WPA informations
124 BYTE byDefaultK_as_PK;
128 //++ WPA2 informations
133 WORD wAKMSSAuthCount;
134 BYTE abyAKMSSAuthType[4];
137 BYTE byWPAIE[MAX_WPA_IE_LEN];
138 BYTE byRSNIE[MAX_WPA_IE_LEN];
143 unsigned int uClearCount;
144 // BYTE abyIEs[WLAN_BEACON_FR_MAXLEN];
145 unsigned int uIELength;
146 QWORD qwBSSTimestamp;
147 QWORD qwLocalTSF; // local TSF timer
149 CARD_PHY_TYPE eNetworkTypeInUse;
152 SRSNCapObject sRSNCapObj;
153 BYTE abyIEs[1024]; // don't move this field !!
155 } __attribute__ ((__packed__))
156 KnownBSS , *PKnownBSS;
160 typedef enum tagNODE_STATE {
166 } NODE_STATE, *PNODE_STATE;
170 typedef struct tagKnownNodeDB {
173 BYTE abyMACAddr[WLAN_ADDR_LEN];
174 BYTE abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
175 BYTE abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
180 unsigned int uInActiveCount;
181 WORD wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp.
182 WORD wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon.
184 BYTE byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
185 BYTE byTopCCKBasicRate; //Records the highest basic rate in CCK mode
188 struct sk_buff_head sTxPSQueue;
190 WORD wListenInterval;
192 NODE_STATE eNodeState;
196 unsigned long ulLastRxJiffer;
202 unsigned long long KeyRSC;
208 unsigned int uWepKeyLength;
209 BYTE abyWepKey[WLAN_WEPMAX_KEYLEN];
211 // Auto rate fallback vars
213 unsigned int uAverageRSSI;
214 unsigned int uRateRecoveryTimeout;
215 unsigned int uRatePollTimeout;
216 unsigned int uTxFailures;
217 unsigned int uTxAttempts;
219 unsigned int uTxRetry;
220 unsigned int uFailureRatio;
221 unsigned int uRetryRatio;
222 unsigned int uTxOk[MAX_RATE+1];
223 unsigned int uTxFail[MAX_RATE+1];
224 unsigned int uTimeCount;
226 } KnownNodeDB, *PKnownNodeDB;
228 /*--------------------- Export Functions --------------------------*/
230 PKnownBSS BSSpSearchBSSList(void *hDeviceContext,
231 PBYTE pbyDesireBSSID,
233 CARD_PHY_TYPE ePhyType);
235 PKnownBSS BSSpAddrIsInBSSList(void *hDeviceContext,
237 PWLAN_IE_SSID pSSID);
239 void BSSvClearBSSList(void *hDeviceContext, BOOL bKeepCurrBSSID);
241 BOOL BSSbInsertToBSSList(void *hDeviceContext,
244 WORD wBeaconInterval,
248 PWLAN_IE_SUPP_RATES pSuppRates,
249 PWLAN_IE_SUPP_RATES pExtSuppRates,
252 PWLAN_IE_RSN_EXT pRSNWPA,
253 PWLAN_IE_COUNTRY pIE_Country,
254 PWLAN_IE_QUIET pIE_Quiet,
255 unsigned int uIELength,
257 void *pRxPacketContext);
259 BOOL BSSbUpdateToBSSList(void *hDeviceContext,
261 WORD wBeaconInterval,
266 PWLAN_IE_SUPP_RATES pSuppRates,
267 PWLAN_IE_SUPP_RATES pExtSuppRates,
270 PWLAN_IE_RSN_EXT pRSNWPA,
271 PWLAN_IE_COUNTRY pIE_Country,
272 PWLAN_IE_QUIET pIE_Quiet,
274 unsigned int uIELength,
276 void *pRxPacketContext);
278 BOOL BSSbIsSTAInNodeDB(void *hDeviceContext,
280 unsigned int *puNodeIndex);
282 void BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex);
284 void BSSvUpdateAPNode(void *hDeviceContext,
286 PWLAN_IE_SUPP_RATES pItemRates,
287 PWLAN_IE_SUPP_RATES pExtSuppRates);
289 void BSSvSecondCallBack(void *hDeviceContext);
291 void BSSvUpdateNodeTxCounter(void *hDeviceContext,
292 PSStatCounter pStatistic,
296 void BSSvRemoveOneNode(void *hDeviceContext,
297 unsigned int uNodeIndex);
299 void BSSvAddMulticastNode(void *hDeviceContext);
301 void BSSvClearNodeDBTable(void *hDeviceContext,
302 unsigned int uStartIndex);
304 void BSSvClearAnyBSSJoinRecord(void *hDeviceContext);
306 #endif /* __BSSDB_H__ */