cisaironethw.c

vworks 下wlan的实现代码

        rates[count] = rate;
        count += 1;
        }

    if (pDev->txRate & WLAN_2_MBIT) /* 2 Mbit */
        {
        rate = 0x04;
        if (pDev->basicRates & WLAN_2_MBIT)
            {
            rate |= ANET_BASIC_RATE_SET;
            } 
        rates[count] = rate;
        count += 1;
        }
    if (pDev->txRate & WLAN_5_MBIT) /* 5.5 MBit */
        {
        rate = 0x0B; 
        if (pDev->basicRates & WLAN_5_MBIT)
            {
            rate |= ANET_BASIC_RATE_SET;
            } 
        rates[count] = rate;
        count += 1;
        }
    if (pDev->txRate & WLAN_11_MBIT) /* 11 Mbit */
        {
        rate = 0x16;
        if (pDev->basicRates & WLAN_11_MBIT)
            {
            rate |= ANET_BASIC_RATE_SET;
            } 
        rates[count] = rate;
        count += 1; 
        }                       
    /* set the last rate entry to be zero */
    rates[count] = 0x00; 
    
    /* write the rates to the config RID */
    cisAironetBcopy (pDev, rates, pCfg->rates, count+1);
      
    /* Get the default station name and save it to the config RID */
    (void) sysWlanCfgParamGet (WLAN_STATION_NAME, (INT32) pCfg->nodeName);

    /* get temp buffer */
    pBuf = (UINT8*) calloc (80, sizeof (UINT8));

    /* Get the SSID */
    (void) sysWlanCfgParamGet (WLAN_SSID, (INT32) pBuf);

    /* Save the SSID to the card and swap if big endian machine */
    cisAironetBcopy (pDev, (const UINT8 *) pBuf,
                     (UINT8 *) pSsid->ssid, (UINT16) strlen((char *) pBuf));
    
    /* Set the SSID length */
    pSsid->len = strlen ((char *) pBuf);

    /* release the resource */
    free (pBuf);

    /* Commit the config RID to the card */
    if ( cisAironetHwRidConfigSet (pDev, (void *) &cfg)
        == ERROR )
        {
        ANET_DEBUG(DEBUG_FATAL, 
               ("cisAironetHwInit: error setting card config\n"));
        return (ERROR);
        }

    /* Commit the SSID RID to the card */
    if ( cisAironetHwRidSSIDSet (pDev, (void *) &ssidList)
        == ERROR )
        {
        ANET_DEBUG(DEBUG_FATAL, 
               ("cisAironetHwInit: error setting ssid\n"));
        return (ERROR);
        }

   /* Enable the Mac again */
    if ( cisAironetHwMacEnable (pDev) 
         == ERROR )
        {
        ANET_DEBUG(DEBUG_FATAL, 
               ("cisAironetHwInit: error enabling mac\n"));
        return (ERROR);
        }
   
    /* Get the driver power save state */
    (void) sysWlanCfgParamGet (WLAN_PMANAGE_ENABLE, (INT32) &powerSave);
    if (powerSave == WLAN_PMANAGE_ENABLED)
        {
        /* Set the card into PSP (Power Save Protocol) */
        if (cisAironetHwPwrModeSet (pDev, ANET_POWERSAVE_PSP) == ERROR)
            {
            ANET_DEBUG(DEBUG_ERROR,
                       ("cisAironetHwInit: error enabling powersave mode\n"));
            }
        }
    else
        {
        /* Set the card into CAM (Constant Awake Mode) */
        if (cisAironetHwPwrModeSet (pDev, ANET_POWERSAVE_CAM) == ERROR)
            {
            ANET_DEBUG(DEBUG_ERROR,
                       ("cisAironetHwInit: error disabling powersave mode\n"));
            }
        }

    /* Assume 802.1x mode is diabled on boot up */
    pDev->dot1XStatus = ONEX_MODE_DISABLED;
    
    /* Save reference to control object */
    pDrv = pDev;

    /* return - status */
    return (OK);
    }

/***************************************************************************
* cisAironetHwDrvIDGet - Returns address of driver control structure.  
*
* Returns address of the driver control structure.
* 
* RETURNS : address of the driver control structure    
*
* ERRNO : N/A
*
* SEE ALSO:
*
* NOMANUAL
*/

INT32 cisAironetHwDrvIDGet (void)
    {
    /* return - driver ID */
    return ( (INT32) pDrv );
    }

/*=========================================================================*/
/*                                                                         */
/*                       CARD COMMAND ROUTINES                             */
/*                                                                         */
/*=========================================================================*/

/***************************************************************************
* cisAironetHwCmdIssue - Issues a command to the aironet card.  
*
* Sends the command to the card. The command is contained in a command object
* that is passed in via the driver control structure.  
* 
* RETURNS : OK or ERROR if command fails, or a NULL pointer is passed in.     
*
* ERRNO : N/A
*
* SEE ALSO: Cisco Aironet 340/350 Driver Programmer's Manual
*/

LOCAL STATUS cisAironetHwCmdIssue 
    (
    CARD_CTRL_T * pWlanDev  /* Driver control struct */ 
    )
    {
    INT16         status    = OK;
    UINT32        timeOut   = ANET_CMD_TIMEOUT; 
    CARD_CMD_T *  pCmdObj   = NULL;
    CARD_RESP_T * pRespObj  = NULL;
    
    /* Sanity check */
    if (pWlanDev == NULL) 
        {
        ANET_DEBUG(DEBUG_ERROR, 
                   ("CmdIssue: Error NULL pointer\n"));
        return (ERROR);
        }

    /* Set up pointers to response and param objects */
    pCmdObj  = (CARD_CMD_T *) &pWlanDev->macCmd;
    pRespObj = (CARD_RESP_T *) &pWlanDev->macResp;

    /* Issue the command to the MAC */
    WLAN_OUT_16( (UINT32) &pWlanDev->macReg->param0,  pCmdObj->param0);
    WLAN_OUT_16( (UINT32) &pWlanDev->macReg->param1,  pCmdObj->param1);
    WLAN_OUT_16( (UINT32) &pWlanDev->macReg->param2,  pCmdObj->param2);
    WLAN_OUT_16( (UINT32) &pWlanDev->macReg->command, pCmdObj->command);

    /* Wait until command complete or time out expires */
    while ( ((WLAN_IN_16((UINT32) &pWlanDev->macReg->evStat) & 
              ANET_EVENT_CMD) == 0) && 
            (timeOut-- > 0))
        {
        /* Check if the 340/350 got the command */
        if ( WLAN_IN_16((UINT32) &pWlanDev->macReg->command) 
             == pCmdObj->command)
            {
            /* Must have missed the command so try again */
            WLAN_OUT_16((UINT32) &pWlanDev->macReg->command,pCmdObj->command);
            }
        }

    /* Check to see if we timed out */
    if (timeOut == 0)
        {
        status = ERROR;
        ANET_DEBUG(DEBUG_ERROR, 
                   ("CmdIssue: Error command timeout\n"));
        }

    /* 
     * Command must have succeeded - so lets get 
     * the status and response 
     */
    pRespObj->status = WLAN_IN_16( (UINT32) &pWlanDev->macReg->status);
    pRespObj->resp0  = WLAN_IN_16( (UINT32) &pWlanDev->macReg->resp0);
    pRespObj->resp1  = WLAN_IN_16( (UINT32) &pWlanDev->macReg->resp1);
    pRespObj->resp2  = WLAN_IN_16( (UINT32) &pWlanDev->macReg->resp2);

    /* Clear the stuck command busy bit if busy */
    if ( (WLAN_IN_16( (UINT32) &pWlanDev->macReg->command) & ANET_CMD_BUSY)
         == ANET_CMD_BUSY )
        {
        /* Clear the busy bit */
        WLAN_OUT_16( (UINT32) &pWlanDev->macReg->evAck,
                     ANET_EVENT_CLR_CMD_BUSY);
        }

    /* Acknowledge the event */
    WLAN_OUT_16( (UINT32) &pWlanDev->macReg->evAck, ANET_EVENT_CMD);

    /* Return the status */
    return (status);
    }

/***************************************************************************
* cisAironetHwCardReset - Issues the aironet card reset command.
* 
* Sets the aironet cards firmware into a starting state.
* 
* RETURNS : OK or ERROR if a NULL pointer is passed in or the card init 
*           command fails.
*
* ERRNO : N/A
*
* SEE ALSO: Cisco Aironet 340/350 Driver Programmer's Manual
*
* NOMANUAL
*/

STATUS cisAironetHwCardReset 
    (
    CARD_CTRL_T * pWlanDev /* Driver control struct */
    )
    {
    STATUS       status  = OK;
    CARD_CMD_T * pCmdObj = NULL;

    /* sanity check */
    if (pWlanDev == NULL)
        {
        ANET_DEBUG(DEBUG_ERROR,
                   ("cisAironetHwCardReset: error NULL pointer\n"));
        return (ERROR);
        }

    /* Get reference to command object */
    pCmdObj  = (CARD_CMD_T *) &pWlanDev->macCmd;

    /* Send the Init command to the card */
    pCmdObj->param0  = 0;
    pCmdObj->param1  = 0;
    pCmdObj->param2  = 0;
    pCmdObj->command = ANET_FWARE_RESTART;

    (void) cisAironetHwCmdIssue (pWlanDev);

    /* return - status */
    return (status);
    }


/***************************************************************************
* cisAironetHwCardInit - Issues the aironet card init command (NOP).
* 
* Sets the aironet cards firmware into a starting state.
* 
* RETURNS : OK or ERROR if a NULL pointer is passed in or the card init 
*           command fails.
*
* ERRNO : N/A
*
* SEE ALSO: Cisco Aironet 340/350 Driver Programmer's Manual
*/

LOCAL STATUS cisAironetHwCardInit
    (
    CARD_CTRL_T * pWlanDev
    )
    {
    CARD_CMD_T * pCmdObj = NULL;

    /* sanity check */
    if (pWlanDev == NULL)
        {
        ANET_DEBUG(DEBUG_ERROR,
                   ("cisAironetHwCardInit: error NULL pointer\n"));
        return (ERROR);
        }

    /* Get reference to command object */
    pCmdObj  = (CARD_CMD_T *) &pWlanDev->macCmd;

    /* Send the Init command to the card */
    pCmdObj->param0  = 0;
    pCmdObj->param1  = 0;
    pCmdObj->param2  = 0;
    pCmdObj->command = ANET_NOP;

    if ( (cisAironetHwCmdIssue (pWlanDev)   == ERROR) ||
         (cisAironetHwErrorCheck (pWlanDev) != 0) )
        {
        ANET_DEBUG(DEBUG_ERROR,
                   ("cisAironetHwCardInit: command failed %s\n", 
                    (UINT8 *) cisAironetHwErrorDesc ()));
        return (ERROR);
        }

    ANET_DEBUG(DEBUG_INFO,
               ("cisAironetHwCardInit: command success\n"));

    /* return - status */
    return (OK);
    }

/***************************************************************************
* cisAironetHwMacDisable - Issues the aironet card mac disable command.
* 
* Sets the aironet cards mac into a non-operational state.
* 
* RETURNS : OK or ERROR if a NULL pointer is passed in or the mac disable 
*           command fails.
*
* ERRNO : N/A
*
* SEE ALSO: Cisco Aironet 340/350 Driver Programmer's Manual
*
* NOMANUAL
*/

STATUS cisAironetHwMacDisable
    (
    CARD_CTRL_T * pWlanDev
    )
    {
    CARD_CMD_T * pCmdObj = NULL;

    /* sanity check */
    if (pWlanDev == NULL)
        {
        ANET_DEBUG(DEBUG_ERROR,
                   ("cisAironetHwMacDisable: error NULL pointer\n"));
        return (ERROR);
        }
    
    /* Get reference to command object */
    pCmdObj  = (CARD_CMD_T *) &pWlanDev->macCmd;

    /* Disable MAC */
    pCmdObj->param0  = 0;
    pCmdObj->param1  = 0;
    pCmdObj->param2  = 0;
    pCmdObj->command = ANET_DISABLE;
    
    if ( cisAironetHwCmdIssue (pWlanDev) == ERROR ) 
        {
        ANET_DEBUG(DEBUG_ERROR,
                   ("cisAironetHwMacDisable: command failed\n"));
        return (ERROR);
        }

    /* return - status */
    return (OK);
    }

/***************************************************************************
* cisAironetHwMacEnable - Issues the aironet card mac enable command.
* 
* Sets the aironet cards mac into a operational state.
* 
* RETURNS : OK or ERROR if a NULL pointer is passed in or the mac enable 
*           command fails.
*
* ERRNO : N/A
*
* SEE ALSO: Cisco Aironet 340/350 Driver Programmer's Manual
* 
* NOMANUAL
*/

STATUS cisAironetHwMacEnable
    (
    CARD_CTRL_T * pWlanDev
    )
    {
    CARD_CMD_T * pCmdObj = NULL;

   /* Sanity check */
    if (pWlanDev == NULL)
        {
        ANET_DEBUG(DEBUG_ERROR, 
                   ("cisAironetHwMacEnable: Error NULL pointer\n"));
        return (ERROR);
        }

    /* Set up pointers to response and param objects */
    pCmdObj  = (CARD_CMD_T *) &pWlanDev->macCmd;

    /* Enable the Mac */
    pCmdObj->param0  = 0;
    pCmdObj->param1  = 0;
    pCmdObj->param2  = 0;
    pCmdObj->command = ANET_ENABLE;

    if ( (cisAironetHwCmdIssue (pWlanDev)   == ERROR) ||
         (cisAironetHwErrorCheck (pWlanDev) != 0) )
        {
        ANET_DEBUG(DEBUG_ERROR, 
                   ("cisAironetHwMacEnable: Error issuing command %s\n",
                    (UINT8 *) cisAironetHwErrorDesc ()));
        return (ERROR);
        }

    /* return - status */
    return (OK);
    }


/***************************************************************************
* cisAironetHwScanStart - Start scanning for a new SSID.
* 
* 
* RETURNS : OK or ERROR on NULL pointer passed in as a parameter. 
*
* ERRNO : N/A
*
* SEE ALSO: Cisco Aironet 340/350 Driver Programmer's Manual
*
* NOMANUAL
*/

STATUS cisAironetHwScanStart