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
70 /*--------------------- Export Classes ----------------------------*/
72 /*--------------------- Export Variables --------------------------*/
74 /*--------------------- Export Types ------------------------------*/
77 // IEEE 802.11 Structures and definitions
80 typedef enum _NDIS_802_11_NETWORK_TYPE
86 Ndis802_11NetworkTypeMax // not a real type, defined as an upper bound
87 } NDIS_802_11_NETWORK_TYPE, *PNDIS_802_11_NETWORK_TYPE;
89 typedef struct tagSERPObject {
92 } ERPObject, *PERPObject;
94 typedef struct tagSRSNCapObject {
96 unsigned short wRSNCap;
97 } SRSNCapObject, *PSRSNCapObject;
101 typedef struct tagKnownBSS {
104 unsigned char abyBSSID[WLAN_BSSID_LEN];
105 unsigned int uChannel;
106 unsigned char abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
107 unsigned char abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
110 unsigned short wBeaconInterval;
111 unsigned short wCapInfo;
112 unsigned char abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
113 unsigned char byRxRate;
115 // unsigned short wATIMWindow;
116 unsigned char byRSSIStatCnt;
118 long ldBmAverage[RSSI_STAT_COUNT];
120 //For any BSSID selection improvment
123 //++ WPA informations
125 unsigned char byGKType;
126 unsigned char abyPKType[4];
127 unsigned short wPKCount;
128 unsigned char abyAuthType[4];
129 unsigned short wAuthCount;
130 unsigned char byDefaultK_as_PK;
131 unsigned char byReplayIdx;
134 //++ WPA2 informations
136 unsigned char byCSSGK;
137 unsigned short wCSSPKCount;
138 unsigned char abyCSSPK[4];
139 unsigned short wAKMSSAuthCount;
140 unsigned char abyAKMSSAuthType[4];
143 unsigned char byWPAIE[MAX_WPA_IE_LEN];
144 unsigned char byRSNIE[MAX_WPA_IE_LEN];
145 unsigned short wWPALen;
146 unsigned short wRSNLen;
149 unsigned int uClearCount;
150 // unsigned char abyIEs[WLAN_BEACON_FR_MAXLEN];
151 unsigned int uIELength;
152 QWORD qwBSSTimestamp;
153 QWORD qwLocalTSF; // local TSF timer
155 // NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
156 CARD_PHY_TYPE eNetworkTypeInUse;
159 SRSNCapObject sRSNCapObj;
160 unsigned char abyIEs[1024]; // don't move this field !!
161 } __attribute__ ((__packed__))
162 KnownBSS , *PKnownBSS;
164 //2006-1116-01,<Add> by NomadZhao
167 typedef enum tagNODE_STATE {
173 } NODE_STATE, *PNODE_STATE;
176 typedef struct tagKnownNodeDB {
179 unsigned char abyMACAddr[WLAN_ADDR_LEN];
180 unsigned char abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
181 unsigned char abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
182 unsigned short wTxDataRate;
186 unsigned int uInActiveCount;
187 unsigned short wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp.
188 unsigned short wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon.
189 unsigned short wSuppRate;
190 unsigned char byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
191 unsigned char byTopCCKBasicRate; //Records the highest basic rate in CCK mode
194 struct sk_buff_head sTxPSQueue;
195 unsigned short wCapInfo;
196 unsigned short wListenInterval;
198 NODE_STATE eNodeState;
201 unsigned char byAuthSequence;
202 unsigned long ulLastRxJiffer;
203 unsigned char bySuppRate;
204 unsigned long dwFlags;
205 unsigned short wEnQueueCnt;
208 unsigned long long KeyRSC;
209 unsigned char byKeyIndex;
210 unsigned long dwKeyIndex;
211 unsigned char byCipherSuite;
212 unsigned long dwTSC47_16;
213 unsigned short wTSC15_0;
214 unsigned int uWepKeyLength;
215 unsigned char abyWepKey[WLAN_WEPMAX_KEYLEN];
217 // Auto rate fallback vars
219 unsigned int uAverageRSSI;
220 unsigned int uRateRecoveryTimeout;
221 unsigned int uRatePollTimeout;
222 unsigned int uTxFailures;
223 unsigned int uTxAttempts;
225 unsigned int uTxRetry;
226 unsigned int uFailureRatio;
227 unsigned int uRetryRatio;
228 unsigned int uTxOk[MAX_RATE+1];
229 unsigned int uTxFail[MAX_RATE+1];
230 unsigned int uTimeCount;
231 } KnownNodeDB, *PKnownNodeDB;
233 /*--------------------- Export Functions --------------------------*/
237 void *hDeviceContext,
238 unsigned char *pbyDesireBSSID,
239 unsigned char *pbyDesireSSID,
240 CARD_PHY_TYPE ePhyType
245 void *hDeviceContext,
246 unsigned char *abyBSSID,
252 void *hDeviceContext,
258 void *hDeviceContext,
259 unsigned char *abyBSSIDAddr,
261 unsigned short wBeaconInterval,
262 unsigned short wCapInfo,
263 unsigned char byCurrChannel,
265 PWLAN_IE_SUPP_RATES pSuppRates,
266 PWLAN_IE_SUPP_RATES pExtSuppRates,
269 PWLAN_IE_RSN_EXT pRSNWPA,
270 PWLAN_IE_COUNTRY pIE_Country,
271 PWLAN_IE_QUIET pIE_Quiet,
272 unsigned int uIELength,
273 unsigned char *pbyIEs,
274 void *pRxPacketContext
279 void *hDeviceContext,
281 unsigned short wBeaconInterval,
282 unsigned short wCapInfo,
283 unsigned char byCurrChannel,
286 PWLAN_IE_SUPP_RATES pSuppRates,
287 PWLAN_IE_SUPP_RATES pExtSuppRates,
290 PWLAN_IE_RSN_EXT pRSNWPA,
291 PWLAN_IE_COUNTRY pIE_Country,
292 PWLAN_IE_QUIET pIE_Quiet,
294 unsigned int uIELength,
295 unsigned char *pbyIEs,
296 void *pRxPacketContext
300 BSSDBbIsSTAInNodeDB(void *hDeviceContext, unsigned char *abyDstAddr,
301 unsigned int *puNodeIndex);
304 BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex);
308 void *hDeviceContext,
309 unsigned short *pwCapInfo,
310 PWLAN_IE_SUPP_RATES pItemRates,
311 PWLAN_IE_SUPP_RATES pExtSuppRates
320 BSSvUpdateNodeTxCounter(
321 void *hDeviceContext,
322 unsigned char byTsr0,
323 unsigned char byTsr1,
324 unsigned char *pbyBuffer,
325 unsigned int uFIFOHeaderSize
330 void *hDeviceContext,
331 unsigned int uNodeIndex
335 BSSvAddMulticastNode(
340 BSSvClearNodeDBTable(
341 void *hDeviceContext,
342 unsigned int uStartIndex
346 BSSvClearAnyBSSJoinRecord(