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>
38 /*--------------------- Export Definitions -------------------------*/
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
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
51 #define RSSI_STAT_COUNT 10
52 #define MAX_CHECK_RSSI_COUNT 8
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
68 #define MAX_WPA_IE_LEN 64
71 /*--------------------- Export Classes ----------------------------*/
73 /*--------------------- Export Variables --------------------------*/
76 /*--------------------- Export Types ------------------------------*/
79 // IEEE 802.11 Structures and definitions
82 typedef enum _NDIS_802_11_NETWORK_TYPE
88 Ndis802_11NetworkTypeMax // not a real type, defined as an upper bound
89 } NDIS_802_11_NETWORK_TYPE, *PNDIS_802_11_NETWORK_TYPE;
92 typedef struct tagSERPObject {
95 }ERPObject, *PERPObject;
98 typedef struct tagSRSNCapObject {
100 unsigned short wRSNCap;
101 }SRSNCapObject, *PSRSNCapObject;
105 typedef struct tagKnownBSS {
108 unsigned char abyBSSID[WLAN_BSSID_LEN];
109 unsigned int uChannel;
110 unsigned char abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
111 unsigned char abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
114 unsigned short wBeaconInterval;
115 unsigned short wCapInfo;
116 unsigned char abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
117 unsigned char byRxRate;
119 // unsigned short wATIMWindow;
120 unsigned char byRSSIStatCnt;
122 long ldBmAverage[RSSI_STAT_COUNT];
124 //For any BSSID selection improvment
127 //++ WPA informations
129 unsigned char byGKType;
130 unsigned char abyPKType[4];
131 unsigned short wPKCount;
132 unsigned char abyAuthType[4];
133 unsigned short wAuthCount;
134 unsigned char byDefaultK_as_PK;
135 unsigned char byReplayIdx;
138 //++ WPA2 informations
140 unsigned char byCSSGK;
141 unsigned short wCSSPKCount;
142 unsigned char abyCSSPK[4];
143 unsigned short wAKMSSAuthCount;
144 unsigned char abyAKMSSAuthType[4];
147 unsigned char byWPAIE[MAX_WPA_IE_LEN];
148 unsigned char byRSNIE[MAX_WPA_IE_LEN];
149 unsigned short wWPALen;
150 unsigned short wRSNLen;
153 unsigned int uClearCount;
154 // unsigned char abyIEs[WLAN_BEACON_FR_MAXLEN];
155 unsigned int uIELength;
156 QWORD qwBSSTimestamp;
157 QWORD qwLocalTSF; // local TSF timer
159 // NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
160 CARD_PHY_TYPE eNetworkTypeInUse;
163 SRSNCapObject sRSNCapObj;
164 unsigned char abyIEs[1024]; // don't move this field !!
166 }__attribute__ ((__packed__))
167 KnownBSS , *PKnownBSS;
169 //2006-1116-01,<Add> by NomadZhao
172 typedef enum tagNODE_STATE {
178 } NODE_STATE, *PNODE_STATE;
182 typedef struct tagKnownNodeDB {
185 unsigned char abyMACAddr[WLAN_ADDR_LEN];
186 unsigned char abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
187 unsigned char abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
188 unsigned short wTxDataRate;
192 unsigned int uInActiveCount;
193 unsigned short wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp.
194 unsigned short wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon.
195 unsigned short wSuppRate;
196 unsigned char byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
197 unsigned char byTopCCKBasicRate; //Records the highest basic rate in CCK mode
200 struct sk_buff_head sTxPSQueue;
201 unsigned short wCapInfo;
202 unsigned short wListenInterval;
204 NODE_STATE eNodeState;
207 unsigned char byAuthSequence;
208 unsigned long ulLastRxJiffer;
209 unsigned char bySuppRate;
210 unsigned long dwFlags;
211 unsigned short wEnQueueCnt;
214 unsigned long long KeyRSC;
215 unsigned char byKeyIndex;
216 unsigned long dwKeyIndex;
217 unsigned char byCipherSuite;
218 unsigned long dwTSC47_16;
219 unsigned short wTSC15_0;
220 unsigned int uWepKeyLength;
221 unsigned char abyWepKey[WLAN_WEPMAX_KEYLEN];
223 // Auto rate fallback vars
225 unsigned int uAverageRSSI;
226 unsigned int uRateRecoveryTimeout;
227 unsigned int uRatePollTimeout;
228 unsigned int uTxFailures;
229 unsigned int uTxAttempts;
231 unsigned int uTxRetry;
232 unsigned int uFailureRatio;
233 unsigned int uRetryRatio;
234 unsigned int uTxOk[MAX_RATE+1];
235 unsigned int uTxFail[MAX_RATE+1];
236 unsigned int uTimeCount;
238 } KnownNodeDB, *PKnownNodeDB;
241 /*--------------------- Export Functions --------------------------*/
247 void *hDeviceContext,
248 unsigned char *pbyDesireBSSID,
249 unsigned char *pbyDesireSSID,
250 CARD_PHY_TYPE ePhyType
255 void *hDeviceContext,
256 unsigned char *abyBSSID,
262 void *hDeviceContext,
268 void *hDeviceContext,
269 unsigned char *abyBSSIDAddr,
271 unsigned short wBeaconInterval,
272 unsigned short wCapInfo,
273 unsigned char byCurrChannel,
275 PWLAN_IE_SUPP_RATES pSuppRates,
276 PWLAN_IE_SUPP_RATES pExtSuppRates,
279 PWLAN_IE_RSN_EXT pRSNWPA,
280 PWLAN_IE_COUNTRY pIE_Country,
281 PWLAN_IE_QUIET pIE_Quiet,
282 unsigned int uIELength,
283 unsigned char *pbyIEs,
284 void *pRxPacketContext
290 void *hDeviceContext,
292 unsigned short wBeaconInterval,
293 unsigned short wCapInfo,
294 unsigned char byCurrChannel,
297 PWLAN_IE_SUPP_RATES pSuppRates,
298 PWLAN_IE_SUPP_RATES pExtSuppRates,
301 PWLAN_IE_RSN_EXT pRSNWPA,
302 PWLAN_IE_COUNTRY pIE_Country,
303 PWLAN_IE_QUIET pIE_Quiet,
305 unsigned int uIELength,
306 unsigned char *pbyIEs,
307 void *pRxPacketContext
313 void *hDeviceContext,
314 unsigned char *abyDstAddr,
320 void *hDeviceContext,
326 void *hDeviceContext,
327 unsigned short *pwCapInfo,
328 PWLAN_IE_SUPP_RATES pItemRates,
329 PWLAN_IE_SUPP_RATES pExtSuppRates
340 BSSvUpdateNodeTxCounter(
341 void *hDeviceContext,
342 unsigned char byTsr0,
343 unsigned char byTsr1,
344 unsigned char *pbyBuffer,
345 unsigned int uFIFOHeaderSize
350 void *hDeviceContext,
351 unsigned int uNodeIndex
355 BSSvAddMulticastNode(
361 BSSvClearNodeDBTable(
362 void *hDeviceContext,
363 unsigned int uStartIndex
367 BSSvClearAnyBSSJoinRecord(