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;
96 typedef struct tagKnownBSS {
99 BYTE abyBSSID[WLAN_BSSID_LEN];
101 BYTE abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
102 BYTE abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
105 WORD wBeaconInterval;
107 BYTE abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
113 LONG ldBmAverage[RSSI_STAT_COUNT];
115 //For any BSSID selection improvment
118 //++ WPA informations
125 BYTE byDefaultK_as_PK;
129 //++ WPA2 informations
134 WORD wAKMSSAuthCount;
135 BYTE abyAKMSSAuthType[4];
138 BYTE byWPAIE[MAX_WPA_IE_LEN];
139 BYTE byRSNIE[MAX_WPA_IE_LEN];
145 // BYTE abyIEs[WLAN_BEACON_FR_MAXLEN];
147 QWORD qwBSSTimestamp;
148 QWORD qwLocalTSF; // local TSF timer
150 CARD_PHY_TYPE eNetworkTypeInUse;
153 SRSNCapObject sRSNCapObj;
154 BYTE abyIEs[1024]; // don't move this field !!
156 }__attribute__ ((__packed__))
157 KnownBSS , *PKnownBSS;
161 typedef enum tagNODE_STATE {
167 } NODE_STATE, *PNODE_STATE;
171 typedef struct tagKnownNodeDB {
174 BYTE abyMACAddr[WLAN_ADDR_LEN];
175 BYTE abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
176 BYTE abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
182 WORD wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp.
183 WORD wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon.
185 BYTE byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
186 BYTE byTopCCKBasicRate; //Records the highest basic rate in CCK mode
189 struct sk_buff_head sTxPSQueue;
191 WORD wListenInterval;
193 NODE_STATE eNodeState;
197 ULONG ulLastRxJiffer;
210 BYTE abyWepKey[WLAN_WEPMAX_KEYLEN];
212 // Auto rate fallback vars
215 UINT uRateRecoveryTimeout;
216 UINT uRatePollTimeout;
223 UINT uTxOk[MAX_RATE+1];
224 UINT uTxFail[MAX_RATE+1];
227 } KnownNodeDB, *PKnownNodeDB;
230 /*--------------------- Export Functions --------------------------*/
236 IN HANDLE hDeviceContext,
237 IN PBYTE pbyDesireBSSID,
238 IN PBYTE pbyDesireSSID,
239 IN CARD_PHY_TYPE ePhyType
244 IN HANDLE hDeviceContext,
246 IN PWLAN_IE_SSID pSSID
251 IN HANDLE hDeviceContext,
252 IN BOOL bKeepCurrBSSID
257 IN HANDLE hDeviceContext,
258 IN PBYTE abyBSSIDAddr,
259 IN QWORD qwTimestamp,
260 IN WORD wBeaconInterval,
262 IN BYTE byCurrChannel,
263 IN PWLAN_IE_SSID pSSID,
264 IN PWLAN_IE_SUPP_RATES pSuppRates,
265 IN PWLAN_IE_SUPP_RATES pExtSuppRates,
267 IN PWLAN_IE_RSN pRSN,
268 IN PWLAN_IE_RSN_EXT pRSNWPA,
269 IN PWLAN_IE_COUNTRY pIE_Country,
270 IN PWLAN_IE_QUIET pIE_Quiet,
273 IN HANDLE pRxPacketContext
279 IN HANDLE hDeviceContext,
280 IN QWORD qwTimestamp,
281 IN WORD wBeaconInterval,
283 IN BYTE byCurrChannel,
285 IN PWLAN_IE_SSID pSSID,
286 IN PWLAN_IE_SUPP_RATES pSuppRates,
287 IN PWLAN_IE_SUPP_RATES pExtSuppRates,
289 IN PWLAN_IE_RSN pRSN,
290 IN PWLAN_IE_RSN_EXT pRSNWPA,
291 IN PWLAN_IE_COUNTRY pIE_Country,
292 IN PWLAN_IE_QUIET pIE_Quiet,
293 IN PKnownBSS pBSSList,
296 IN HANDLE pRxPacketContext
302 IN HANDLE hDeviceContext,
304 OUT PUINT puNodeIndex
309 IN HANDLE hDeviceContext,
310 OUT PUINT puNodeIndex
315 IN HANDLE hDeviceContext,
317 IN PWLAN_IE_SUPP_RATES pItemRates,
318 IN PWLAN_IE_SUPP_RATES pExtSuppRates
324 IN HANDLE hDeviceContext
329 BSSvUpdateNodeTxCounter(
330 IN HANDLE hDeviceContext,
331 IN PSStatCounter pStatistic,
338 IN HANDLE hDeviceContext,
343 BSSvAddMulticastNode(
344 IN HANDLE hDeviceContext
349 BSSvClearNodeDBTable(
350 IN HANDLE hDeviceContext,
355 BSSvClearAnyBSSJoinRecord(
356 IN HANDLE hDeviceContext