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
34 #include <linux/skbuff.h>
36 #if !defined(__80211HDR_H__)
39 #if !defined(__80211MGR_H__)
42 #if !defined(__CARD_H__)
45 #if !defined(__MIB_H__)
50 /*--------------------- Export Definitions -------------------------*/
52 #define MAX_NODE_NUM 64
53 #define MAX_BSS_NUM 42
54 #define LOST_BEACON_COUNT 10 // 10 sec, XP defined
55 #define MAX_PS_TX_BUF 32 // sta max power saving tx buf
56 #define ADHOC_LOST_BEACON_COUNT 30 // 30 sec, beacon lost for adhoc only
57 #define MAX_INACTIVE_COUNT 300 // 300 sec, inactive STA node refresh
59 #define USE_PROTECT_PERIOD 10 // 10 sec, Use protect mode check period
60 #define ERP_RECOVER_COUNT 30 // 30 sec, ERP support callback check
61 #define BSS_CLEAR_COUNT 1
63 #define RSSI_STAT_COUNT 10
64 #define MAX_CHECK_RSSI_COUNT 8
67 #define WLAN_STA_AUTH BIT0
68 #define WLAN_STA_ASSOC BIT1
69 #define WLAN_STA_PS BIT2
70 #define WLAN_STA_TIM BIT3
71 // permanent; do not remove entry on expiration
72 #define WLAN_STA_PERM BIT4
73 // If 802.1X is used, this flag is
74 // controlling whether STA is authorized to
75 // send and receive non-IEEE 802.1X frames
76 #define WLAN_STA_AUTHORIZED BIT5
80 #define MAX_WPA_IE_LEN 64
83 /*--------------------- Export Classes ----------------------------*/
85 /*--------------------- Export Variables --------------------------*/
88 /*--------------------- Export Types ------------------------------*/
91 // IEEE 802.11 Structures and definitions
94 typedef struct tagSERPObject {
97 }ERPObject, *PERPObject;
100 typedef struct tagSRSNCapObject {
103 }SRSNCapObject, *PSRSNCapObject;
107 typedef struct tagKnownBSS {
110 BYTE abyBSSID[WLAN_BSSID_LEN];
112 BYTE abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
113 BYTE abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
116 WORD wBeaconInterval;
118 BYTE abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
124 LONG ldBmAverage[RSSI_STAT_COUNT];
126 //For any BSSID selection improvment
129 //++ WPA informations
136 BYTE byDefaultK_as_PK;
140 //++ WPA2 informations
145 WORD wAKMSSAuthCount;
146 BYTE abyAKMSSAuthType[4];
149 BYTE byWPAIE[MAX_WPA_IE_LEN];
150 BYTE byRSNIE[MAX_WPA_IE_LEN];
156 // BYTE abyIEs[WLAN_BEACON_FR_MAXLEN];
158 QWORD qwBSSTimestamp;
159 QWORD qwLocalTSF; // local TSF timer
161 CARD_PHY_TYPE eNetworkTypeInUse;
164 SRSNCapObject sRSNCapObj;
165 BYTE abyIEs[1024]; // don't move this field !!
167 }__attribute__ ((__packed__))
168 KnownBSS , *PKnownBSS;
172 typedef enum tagNODE_STATE {
178 } NODE_STATE, *PNODE_STATE;
182 typedef struct tagKnownNodeDB {
185 BYTE abyMACAddr[WLAN_ADDR_LEN];
186 BYTE abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
187 BYTE abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
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.
196 BYTE byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
197 BYTE byTopCCKBasicRate; //Records the highest basic rate in CCK mode
200 struct sk_buff_head sTxPSQueue;
202 WORD wListenInterval;
204 NODE_STATE eNodeState;
208 ULONG ulLastRxJiffer;
221 BYTE abyWepKey[WLAN_WEPMAX_KEYLEN];
223 // Auto rate fallback vars
226 UINT uRateRecoveryTimeout;
227 UINT uRatePollTimeout;
234 UINT uTxOk[MAX_RATE+1];
235 UINT uTxFail[MAX_RATE+1];
238 } KnownNodeDB, *PKnownNodeDB;
241 /*--------------------- Export Functions --------------------------*/
247 IN HANDLE hDeviceContext,
248 IN PBYTE pbyDesireBSSID,
249 IN PBYTE pbyDesireSSID,
250 IN CARD_PHY_TYPE ePhyType
255 IN HANDLE hDeviceContext,
257 IN PWLAN_IE_SSID pSSID
262 IN HANDLE hDeviceContext,
263 IN BOOL bKeepCurrBSSID
268 IN HANDLE hDeviceContext,
269 IN PBYTE abyBSSIDAddr,
270 IN QWORD qwTimestamp,
271 IN WORD wBeaconInterval,
273 IN BYTE byCurrChannel,
274 IN PWLAN_IE_SSID pSSID,
275 IN PWLAN_IE_SUPP_RATES pSuppRates,
276 IN PWLAN_IE_SUPP_RATES pExtSuppRates,
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,
284 IN HANDLE pRxPacketContext
290 IN HANDLE hDeviceContext,
291 IN QWORD qwTimestamp,
292 IN WORD wBeaconInterval,
294 IN BYTE byCurrChannel,
296 IN PWLAN_IE_SSID pSSID,
297 IN PWLAN_IE_SUPP_RATES pSuppRates,
298 IN PWLAN_IE_SUPP_RATES pExtSuppRates,
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,
307 IN HANDLE pRxPacketContext
313 IN HANDLE hDeviceContext,
315 OUT PUINT puNodeIndex
320 IN HANDLE hDeviceContext,
321 OUT PUINT puNodeIndex
326 IN HANDLE hDeviceContext,
328 IN PWLAN_IE_SUPP_RATES pItemRates,
329 IN PWLAN_IE_SUPP_RATES pExtSuppRates
335 IN HANDLE hDeviceContext
340 BSSvUpdateNodeTxCounter(
341 IN HANDLE hDeviceContext,
342 IN PSStatCounter pStatistic,
349 IN HANDLE hDeviceContext,
354 BSSvAddMulticastNode(
355 IN HANDLE hDeviceContext
360 BSSvClearNodeDBTable(
361 IN HANDLE hDeviceContext,
366 BSSvClearAnyBSSJoinRecord(
367 IN HANDLE hDeviceContext