path: root/drivers/staging/vt6656/wcmd.c

/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * File: wcmd.c
 *
 * Purpose: Handles the management command interface functions
 *
 * Author: Lyndon Chen
 *
 * Date: May 8, 2003
 *
 * Functions:
 *      s_vProbeChannel - Active scan channel
 *      s_MgrMakeProbeRequest - Make ProbeRequest packet
 *      CommandTimer - Timer function to handle command
 *      s_bCommandComplete - Command Complete function
 *      bScheduleCommand - Push Command and wait Command Scheduler to do
 *      vCommandTimer- Command call back functions
 *      vCommandTimerWait- Call back timer
 *      s_bClearBSSID_SCAN- Clear BSSID_SCAN cmd in CMD Queue
 *
 * Revision History:
 *
 */

#include "ttype.h"
#include "tmacro.h"
#include "device.h"
#include "mac.h"
#include "card.h"
#include "80211hdr.h"
#include "wcmd.h"
#include "wmgr.h"
#include "power.h"
#include "wctl.h"
#include "baseband.h"
#include "control.h"
#include "rxtx.h"
#include "rf.h"
#include "rndis.h"
#include "channel.h"
#include "iowpa.h"

/*---------------------  Static Definitions -------------------------*/




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

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

static
void
s_vProbeChannel(
     PSDevice pDevice
    );


static
PSTxMgmtPacket
s_MgrMakeProbeRequest(
     PSDevice pDevice,
     PSMgmtObject pMgmt,
     PBYTE pScanBSSID,
     PWLAN_IE_SSID pSSID,
     PWLAN_IE_SUPP_RATES pCurrRates,
     PWLAN_IE_SUPP_RATES pCurrExtSuppRates
    );


static
BOOL
s_bCommandComplete (
    PSDevice pDevice
    );


static BOOL s_bClearBSSID_SCAN(void *hDeviceContext);

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

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

/*
 * Description:
 *      Stop AdHoc beacon during scan process
 *
 * Parameters:
 *  In:
 *      pDevice     - Pointer to the adapter
 *  Out:
 *      none
 *
 * Return Value: none
 *
 */

static
void
vAdHocBeaconStop(PSDevice  pDevice)
{

    PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
    BOOL            bStop;

    /*
     * temporarily stop Beacon packet for AdHoc Server
     * if all of the following coditions are met:
     *  (1) STA is in AdHoc mode
     *  (2) VT3253 is programmed as automatic Beacon Transmitting
     *  (3) One of the following conditions is met
     *      (3.1) AdHoc channel is in B/G band and the
     *      current scan channel is in A band
     *      or
     *      (3.2) AdHoc channel is in A mode
     */
    bStop = FALSE;
    if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) &&
    (pMgmt->eCurrState >= WMAC_STATE_STARTED))
    {
        if ((pMgmt->uIBSSChannel <=  CB_MAX_CHANNEL_24G) &&
             (pMgmt->uScanChannel > CB_MAX_CHANNEL_24G))
        {
            bStop = TRUE;
        }
        if (pMgmt->uIBSSChannel >  CB_MAX_CHANNEL_24G)
        {
            bStop = TRUE;
        }
    }

    if (bStop)
    {
        //PMESG(("STOP_BEACON: IBSSChannel = %u, ScanChannel = %u\n",
        //        pMgmt->uIBSSChannel, pMgmt->uScanChannel));