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 {
101 }SRSNCapObject, *PSRSNCapObject;
105 typedef struct tagKnownBSS {
108 BYTE abyBSSID[WLAN_BSSID_LEN];
110 BYTE abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
111 BYTE abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
114 WORD wBeaconInterval;
116 BYTE abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
122 LONG ldBmAverage[RSSI_STAT_COUNT];
124 //For any BSSID selection improvment
127 //++ WPA informations
134 BYTE byDefaultK_as_PK;
138 //++ WPA2 informations
143 WORD wAKMSSAuthCount;
144 BYTE abyAKMSSAuthType[4];
147 BYTE byWPAIE[MAX_WPA_IE_LEN];
148 BYTE byRSNIE[MAX_WPA_IE_LEN];
154 // BYTE abyIEs[WLAN_BEACON_FR_MAXLEN];
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 BYTE 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 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 void *hDeviceContext,
248 IN PBYTE pbyDesireBSSID,
249 IN PBYTE pbyDesireSSID,
250 IN CARD_PHY_TYPE ePhyType
255 IN void *hDeviceContext,
257 IN PWLAN_IE_SSID pSSID
262 IN void *hDeviceContext,
263 IN BOOL bKeepCurrBSSID
268 IN void *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 void *pRxPacketContext
290 IN void *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 void *pRxPacketContext
313 IN void *hDeviceContext,
315 OUT PUINT puNodeIndex
320 IN void *hDeviceContext,
321 OUT PUINT puNodeIndex
326 IN void *hDeviceContext,
328 IN PWLAN_IE_SUPP_RATES pItemRates,
329 IN PWLAN_IE_SUPP_RATES pExtSuppRates
335 IN void *hDeviceContext
340 BSSvUpdateNodeTxCounter(
341 IN void *hDeviceContext,
345 IN UINT uFIFOHeaderSize
350 IN void *hDeviceContext,
355 BSSvAddMulticastNode(
356 IN void *hDeviceContext
361 BSSvClearNodeDBTable(
362 IN void *hDeviceContext,
367 BSSvClearAnyBSSJoinRecord(
368 IN void *hDeviceContext