wmgr.c

VIA VT6656 USB linux source code.

/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This software is copyrighted by and is the sole property of
 * VIA Networking Technologies, Inc. This software may only be used
 * in accordance with the corresponding license agreement. Any unauthorized
 * use, duplication, transmission, distribution, or disclosure of this
 * software is expressly forbidden.
 *
 * This software is provided by VIA Networking Technologies, Inc. "as is"
 * and any express or implied warranties, including, but not limited to, the
 * implied warranties of merchantability and fitness for a particular purpose
 * are disclaimed. In no event shall VIA Networking Technologies, Inc.
 * be liable for any direct, indirect, incidental, special, exemplary, or
 * consequential damages.
 * 
 *
 * File: wmgr.c
 *
 * Purpose: Handles the 802.11 management functions
 *
 * Author: Lyndon Chen
 *
 * Date: May 8, 2002
 *
 * Functions: 
 *      nsMgrObjectInitial - Initialize Management Objet data structure
 *      vMgrObjectReset - Reset Management Objet data structure
 *      vMgrAssocBeginSta - Start associate function
 *      vMgrReAssocBeginSta - Start reassociate function
 *      vMgrDisassocBeginSta - Start disassociate function
 *      s_vMgrRxAssocRequest - Handle Rcv associate_request
 *      s_vMgrRxAssocResponse - Handle Rcv associate_response
 *      vMrgAuthenBeginSta - Start authentication function
 *      vMgrDeAuthenDeginSta - Start deauthentication function
 *      s_vMgrRxAuthentication - Handle Rcv authentication 
 *      s_vMgrRxAuthenSequence_1 - Handle Rcv authentication sequence 1
 *      s_vMgrRxAuthenSequence_2 - Handle Rcv authentication sequence 2
 *      s_vMgrRxAuthenSequence_3 - Handle Rcv authentication sequence 3
 *      s_vMgrRxAuthenSequence_4 - Handle Rcv authentication sequence 4
 *      s_vMgrRxDisassociation - Handle Rcv disassociation
 *      s_vMgrRxBeacon - Handle Rcv Beacon 
 *      vMgrCreateOwnIBSS - Create ad_hoc IBSS or AP BSS
 *      vMgrJoinBSSBegin - Join BSS function
 *      s_vMgrSynchBSS - Synch & adopt BSS parameters
 *      s_MgrMakeBeacon - Create Baecon frame
 *      s_MgrMakeProbeResponse - Create Probe Response frame
 *      s_MgrMakeAssocRequest - Create Associate Request frame
 *      s_MgrMakeReAssocRequest - Create ReAssociate Request frame
 *      s_vMgrRxProbeResponse - Handle Rcv probe_response
 *      s_vMrgRxProbeRequest - Handle Rcv probe_request
 *      bMgrPrepareBeaconToSend - Prepare Beacon frame
 *      s_vMgrLogStatus - Log 802.11 Status
 *      vMgrRxManagePacket - Rcv management frame dispatch function
 *      s_vMgrFormatTIM- Assember TIM field of beacon
 *      vMgrTimerInit- Initial 1-sec and command call back funtions
 * 
 * Revision History:
 *
 */


#if !defined(__TMACRO_H__)
#include "tmacro.h"
#endif
#if !defined(__TBIT_H__)
#include "tbit.h"
#endif
#if !defined(__DESC_H__)
#include "desc.h"
#endif
#if !defined(__DEVICE_H__)
#include "device.h"
#endif
#if !defined(__CARD_H__)
#include "card.h"
#endif
#if !defined(__80211HDR_H__)
#include "80211hdr.h"
#endif
#if !defined(__80211MGR_H__)
#include "80211mgr.h"
#endif
#if !defined(__WMGR_H__)
#include "wmgr.h"
#endif
#if !defined(__WCMD_H__)
#include "wcmd.h"
#endif
#if !defined(__MAC_H__)
#include "mac.h"
#endif
#if !defined(__BSSDB_H__)
#include "bssdb.h"
#endif
#if !defined(__POWER_H__)
#include "power.h"
#endif
#if !defined(__DATARATE_H__)
#include "datarate.h"
#endif
#if !defined(__BASEBAND_H__)
#include "baseband.h"
#endif                      
#if !defined(__RXTX_H__)
#include "rxtx.h"
#endif
#if !defined(__WPA_H__)
#include "wpa.h"
#endif
#if !defined(__RF_H__)
#include "rf.h"
#endif
#if !defined(__UMEM_H__)
#include "umem.h"
#endif
#if !defined(__IOWPA_H__)
#include "iowpa.h"
#endif
#if !defined(__CONTROL_H__)
#include "control.h"
#endif
#if !defined(__RNDIS_H__)
#include "rndis.h"
#endif
/*---------------------  Static Definitions -------------------------*/



/*---------------------  Static Classes  ----------------------------*/

/*---------------------  Static Variables  --------------------------*/
static int          msglevel                =MSG_LEVEL_INFO;
//static int          msglevel                =MSG_LEVEL_DEBUG;

/*---------------------  Static Functions  --------------------------*/

// Association/diassociation functions
static
PSTxMgmtPacket
s_MgrMakeAssocRequest(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt, 
    IN PBYTE pDAddr, 
    IN WORD wCurrCapInfo,
    IN WORD wListenInterval,
    IN PWLAN_IE_SSID pCurrSSID,
    IN PWLAN_IE_SUPP_RATES pCurrRates,
    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates    
    );
    
static
VOID
s_vMgrRxAssocRequest(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt,
    IN PSRxMgmtPacket pRxPacket,
    IN UINT  uNodeIndex
    );
    
static
PSTxMgmtPacket
s_MgrMakeReAssocRequest(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt, 
    IN PBYTE pDAddr, 
    IN WORD wCurrCapInfo,
    IN WORD wListenInterval,
    IN PWLAN_IE_SSID pCurrSSID,
    IN PWLAN_IE_SUPP_RATES pCurrRates,
    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates    
    );
          
static
VOID
s_vMgrRxAssocResponse(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt,
    IN PSRxMgmtPacket pRxPacket,
    IN BOOL bReAssocType
    );
    
static
VOID
s_vMgrRxDisassociation(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt,
    IN PSRxMgmtPacket pRxPacket
    );
            
// Authentication/deauthen functions
static
VOID
s_vMgrRxAuthenSequence_1( 
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt,
    IN PWLAN_FR_AUTHEN pFrame
    );

static
VOID
s_vMgrRxAuthenSequence_2( 
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt,
    IN PWLAN_FR_AUTHEN pFrame
    );
    
static
VOID
s_vMgrRxAuthenSequence_3( 
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt,
    IN PWLAN_FR_AUTHEN pFrame
    );    

static
VOID
s_vMgrRxAuthenSequence_4( 
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt,
    IN PWLAN_FR_AUTHEN pFrame
    );
    
static
VOID
s_vMgrRxAuthentication(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt,
    IN PSRxMgmtPacket pRxPacket
    );
        
static
VOID 
s_vMgrRxDeauthentication(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt,
    IN PSRxMgmtPacket pRxPacket
    );

// Scan functions
// probe request/response functions
static
VOID
s_vMgrRxProbeRequest(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt,
    IN PSRxMgmtPacket pRxPacket
    );
    
static
VOID
s_vMgrRxProbeResponse(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt,
    IN PSRxMgmtPacket pRxPacket
    );
    
// beacon functions    
static
VOID
s_vMgrRxBeacon(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt,
    IN PSRxMgmtPacket pRxPacket,
    IN BOOL bInScan
    );
    
static
VOID
s_vMgrFormatTIM(
    IN PSMgmtObject pMgmt,
    IN PWLAN_IE_TIM pTIM    
    );
    
static    
PSTxMgmtPacket
s_MgrMakeBeacon(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt, 
    IN WORD wCurrCapInfo, 
    IN WORD wCurrBeaconPeriod,
    IN UINT uCurrChannel,
    IN WORD wCurrATIMWinodw,
    IN PWLAN_IE_SSID pCurrSSID,
    IN PBYTE pCurrBSSID,
    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates        
    );    
        
        
// Association response 
static
PSTxMgmtPacket
s_MgrMakeAssocResponse(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt, 
    IN WORD wCurrCapInfo, 
    IN WORD wAssocStatus,
    IN WORD wAssocAID,
    IN PBYTE pDstAddr,
    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates        
    );        
        
// ReAssociation response 
static
PSTxMgmtPacket
s_MgrMakeReAssocResponse(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt, 
    IN WORD wCurrCapInfo, 
    IN WORD wAssocStatus,
    IN WORD wAssocAID,
    IN PBYTE pDstAddr,
    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates        
    );                    
    
// Probe response
static
PSTxMgmtPacket
s_MgrMakeProbeResponse(
    IN PSDevice pDevice,
    IN PSMgmtObject pMgmt, 
    IN WORD wCurrCapInfo, 
    IN WORD wCurrBeaconPeriod,
    IN UINT uCurrChannel,
    IN WORD wCurrATIMWinodw,    
    IN PBYTE pDstAddr,
    IN PWLAN_IE_SSID pCurrSSID,
    IN PBYTE pCurrBSSID,
    IN PWLAN_IE_SUPP_RATES pCurrSuppRates,
    IN PWLAN_IE_SUPP_RATES pCurrExtSuppRates,
    IN BYTE byPHYType
    );
    
// received status
static
VOID
s_vMgrLogStatus(
    IN PSMgmtObject pMgmt,
    IN WORD wStatus
    );
    
    
static
VOID
s_vMgrSynchBSS (
    IN PSDevice      pDevice,
    IN UINT          uBSSMode,
    IN PKnownBSS     pCurr,
    OUT PCMD_STATUS  pStatus
    );    
    
    
static BOOL
s_bCipherMatch (
    IN PKnownBSS                        pBSSNode,
    IN NDIS_802_11_ENCRYPTION_STATUS    EncStatus,
    OUT PBYTE                           pbyCCSPK,
    OUT PBYTE                           pbyCCSGK
    );    

 
  

/*---------------------  Export Variables  --------------------------*/


/*---------------------  Export Functions  --------------------------*/


/*+
 * 
 * Routine Description:
 *    Allocates and initializes the Management object.  
 *
 * Return Value:
 *    Ndis_staus.
 *
-*/

VOID
vMgrObjectInit(
    IN  HANDLE hDeviceContext
    )
{
    PSDevice     pDevice = (PSDevice)hDeviceContext;
    PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
    int ii;

    
    pMgmt->pbyPSPacketPool = &pMgmt->byPSPacketPool[0];
    pMgmt->pbyMgmtPacketPool = &pMgmt->byMgmtPacketPool[0];
    pMgmt->uCurrChannel = pDevice->uChannel;
    for(ii=0;ii<WLAN_BSSID_LEN;ii++) {
        pMgmt->abyDesireBSSID[ii] = 0xFF;
    }
    pMgmt->sAssocInfo.AssocInfo.Length = sizeof(NDIS_802_11_ASSOCIATION_INFORMATION);    
    //memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN +1);   
    pMgmt->byCSSPK = KEY_CTL_NONE;