cisaironetioctl.c

vworks 下wlan的实现代码

            if (data == NULL)
                {
                status = EINVAL;
                break;
                }

            /* Get the SSID from the status Rid */
            if ( cisAironetHwRidStatusGet (pDev, (void *) pStatus)
                 == ERROR )
                {
                status = EINVAL;
                break;
                }
            
            /* Save the ssid name to the data buffer */
            (void) cisAironetBcopy (pDev,
                                    (UINT8 *) pStatus->SSID, 
                                    (UINT8 *) data, 
                                    pStatus->SSIDlen);
            *((char *)data + pStatus->SSIDlen) = 0x00;
            break;
            }
        /* Get the connected SSID or network name, i.e. 'WlanNetwork1' */
        case EIOCGCONNECTEDSSID:
            {
            STATUS_RID_T   sts;
            STATUS_RID_T * pStatus = (STATUS_RID_T *) &sts;

            /* sanity check */
            if (data == NULL)
                {
                status = EINVAL;
                break;
                }

            /* Get the current link status from the card.  If we */
            /* are not connected, return nothing */
            linkStatus = cisAironetHwLinkStatusGet(pDev);
            if (linkStatus != 0x400) /* disconnected state */
                {
                *(char *)data = 0x00;
                break;
                }
            
            /* Get the SSID from the status Rid */
            if ( cisAironetHwRidStatusGet (pDev, (void *) pStatus)
                 == ERROR )
                {
                status = EINVAL;
                break;
                }
            
            /* Save the ssid name to the data buffer */
            (void) cisAironetBcopy (pDev,
                                    (UINT8 *) pStatus->SSID, 
                                    (UINT8 *) data, 
                                    pStatus->SSIDlen);
            *((char *)data + pStatus->SSIDlen) = 0x00;
            break;
            }

        /* Set the current network name (SSID) */
        case EIOCSSSID: 
            {
            SSID_RID_T   ssid;
            SSID_RID_T * pSSID = (SSID_RID_T *) &ssid;
            
            /* sanity check */
            if (data == NULL)
                {
                status = EINVAL;
                break;
                }

            /* Get the current SSID list */
            if ( cisAironetHwRidSSIDGet (pDev, (void *) pSSID)
                 == ERROR )
                {
                status = EINVAL;
                break;
                }

            /* Clear the buffer */
            (void) memset (pSSID, 0, sizeof (SSID_RID_T));

            /* save the ssid name to the RID */
            (void) cisAironetBcopy (pDev,
                                    (UINT8 *) data,
                                    (UINT8 *) pSSID->ssids[0].ssid,
                                    strlen (data) );
            /* Save the length of the name */
            pSSID->ssids[0].len = strlen ( (INT8 *) data);

            /* Disable the mac */
            (void) cisAironetHwMacDisable (pDev);
                        
            /* Save the list to the RID */
            if ( cisAironetHwRidSSIDSet (pDev, (void *) pSSID)
                 == ERROR )
                {
                status = EINVAL;
                break;
                }

            /* copy the new station name to the driver */
            (void) cisAironetBcopy (pDev,
                                    (UINT8 *) data,
                                    (UINT8 *) pDev->networkName,
                                    strlen ( (INT8 *) data));
            *((char *)pDev->networkName + strlen ( (INT8 *) data)) = 0x00;
            /* Re-enable the mac */
            (void) cisAironetHwMacEnable (pDev);

            /* Start rescanning for the AP with the BSSID */
            (void) cisAironetHwScanStart (pDev);
            break;
            }
        /* Get the current BSSID (Mac address of AP) */
        case EIOCGCONNECTEDBSSID: 
            {
            STATUS_RID_T   sts;
            STATUS_RID_T * pStatus = (STATUS_RID_T *) &sts;

            /* sanity check */
            if (data == NULL)
                {
                status = EINVAL;
                break;
                }

            /* clear the buffer */
            (void) memset (pStatus, 0, sizeof (STATUS_RID_T));

            /* Get the SSID Rid */
            if ( cisAironetHwRidStatusGet (pDev, (void *) pStatus)
                 == ERROR )
                {
                status = EINVAL;
                break;
                }
            
            /* Save the ssid name to the data buffer */
            (void) cisAironetBcopy ( pDev,
                                     (UINT8 *) pStatus->currentBssID, 
                                     (UINT8 *) data, 
                                     6);
            break;
            }
        /* Get the current station name */
        case EIOCGSTNNAME:
           {
           CFG_RID_T   cfg;
           CFG_RID_T * pCfg  = (CFG_RID_T *) &cfg;

           /* sanity check */
           if (data == NULL)
               {
               status = EINVAL;
               break;
               }

           /* Get the SSID Rid */
           if ( cisAironetHwRidActualConfigGet (pDev, (void *)  pCfg)
                == ERROR )
               {
               status = EINVAL;
               break;
               }
            
           /* Save the station name to the data buffer */
           (void) cisAironetBcopy ( pDev,
                                    (UINT8 *) pCfg->nodeName, 
                                    (UINT8 *) data, 
                                    strlen ( (char *) pCfg->nodeName) );
           *((char *)data + strlen((char *) pCfg->nodeName)) = 0x00;
           break;
           }
 
        /* Set the station name */
        case EIOCSSTNNAME:
           {
           CFG_RID_T   cfg;
           CFG_RID_T * pCfg  = (CFG_RID_T *) &cfg;

           /* sanity check */
           if (data == NULL)
               {
               status = EINVAL;
               break;
               }

           /* disable the MAC */
           if ( cisAironetHwMacDisable (pDev)
                == ERROR )
               {
               status = EINVAL;
               break;
               }
           
           /* Get the Cfg Rid */
           if ( cisAironetHwRidActualConfigGet (pDev, (void *)  pCfg)
                == ERROR )
               {
               status = EINVAL;
               break;
               }

           /* clear the node name member */
           (void) memset (pCfg->nodeName, 0, NELEMENTS(pCfg->nodeName));
            
           /* Save the station name to the data buffer */
           (void) cisAironetBcopy ( pDev,
                                    (UINT8 *) data, 
                                    (UINT8 *) pCfg->nodeName, 
                                    strlen ( (INT8 *) data) );

           /* Commit the new station name  */
           if ( cisAironetHwRidConfigSet (pDev, (void *)  pCfg)
                == ERROR )
               {
               status = EINVAL;
               break;
               }

           /* copy the new station name to the driver */
           (void) cisAironetBcopy ( pDev,
                                    (UINT8 *) data,
                                    (UINT8 *) pDev->stationName,
                                    strlen ( (INT8 *) data));
           *((char *)pDev->stationName + strlen((char *)data)) = 0x00;

           /* re-enable the MAC */
           if ( cisAironetHwMacEnable (pDev) 
                == ERROR )
               {
               status = EINVAL;
               }
           break;
           }
        /* Get the power management state */ 
        case EIOCGPWRMAN:
           {
           /* sanity check */
           if (data == NULL)
               {
               status = EINVAL;
               break;
               }
          
           /* retun the current power save mode */
           * (UINT16 *) data = (UINT16) pDev->powerSave;
           break;
           }
        /* Set the power managment state */
        case EIOCSPWRMAN:
           {
           BOOL pmState = (BOOL) data;

           /* Which state to set the card - ON or OFF */
           if (pmState == TRUE)
               {
               /* Set the card into PSP (Power Save Protocol) */
               if (cisAironetHwPwrModeSet (pDev, ANET_POWERSAVE_PSP) ==
                   ERROR)
                   {
                   status = EINVAL;
                   }
               }
           else
               {
               /* Set the card into CAM (Constant Awake Mode) */
               if (cisAironetHwPwrModeSet (pDev, ANET_POWERSAVE_CAM) ==
                   ERROR)
                   {
                   status = EINVAL;
                   }
               }
           break;
           }
        /* Turn promiscious mode on or off */
        case EIOCSPROMISC:
            {
            BOOL promState = (BOOL) data;
            
            /* Set the card mode */
            if (promState)
                {
                /* promiscious mode enabled */ 
                if ( cisAironetHwModeSet (pDev, ANET_PROMISC)
                     == ERROR)
                    {
                    status = EINVAL;
                    }
                }
            else
                {
                /* promiscious mode disabled */
                if ( cisAironetHwModeSet (pDev, (UINT16) ~ANET_PROMISC)
                     == ERROR)
                    {
                    status = EINVAL;
                    }
                }
            break;
            }
        /* Get Communications Quality */
        case EIOCGCOMMQUAL:
            {
            /* Get the status Rid */
            STATUS_RID_T   stat;
            STATUS_RID_T * pStatus = (STATUS_RID_T *) &stat;

            /* sanity check */
            if (data == NULL)
                {
                status = EINVAL;
                break;
                }
            
            linkStatus = cisAironetHwLinkStatusGet(pDev);

            if (linkStatus != 0x400) /* disconnected state */
                {
                * (UINT16 *) data = 0; /* report 0 sig strength */
                break;
                }
            else 
                {
                /* Get the card status Rid */
                if ( cisAironetHwRidStatusGet (pDev, (void *)  pStatus)
                     == ERROR )
                    {
                    status = EINVAL;
                    printf("cisAironetHwIoctlExt: rid status get EINVAL\n");
                    break;
                    }
                
                /* Save the current card signal strength */
                * (UINT16 *) data = pStatus->sigQuality;
                break;
                }
            }
            
        /* Return the card type */
        case EIOCGCARDTYPE:
            {
            /* sanity check */
            if (data == NULL)
                {
                status = EINVAL;
                break;
                }

            /* Return the card type */
            * (UINT16 *) data = (UINT16) WLAN_CARDTYPE_CISCO;
            break;
            }
        /* Return the wep status */
        case EIOCGWEPAVAIL:
            {
            /* sanity check */
            if (data == NULL)
                {
                status = EINVAL;
                break;
                }

            /* yes, this card does support wep */
            * (UINT16 *) data = (UINT16)TRUE;
            break;
            }
        /* return the current card wep state - enabled or not enabled */
        case EIOCGWEPSTATUS:
            {
            /* sanity check */
            if (data == NULL)
                {
                status = EINVAL;
                break;
                }

            /* set the card wep state */
            * (UINT16 *) data = (UINT16)pDev->wepEnable;
            break;
            } 

        /* Enable or disable wep */ 
        case EIOCSWEP: 
            {
            BOOL        wepEnable = FALSE;
            CFG_RID_T   cfg;
            CFG_RID_T * pCfg      = (CFG_RID_T *) &cfg;

           /* Get the desired wep state */
           wepEnable = (BOOL) data;
           
           /* Get the Cfg Rid */
           if ( cisAironetHwRidActualConfigGet (pDev, (void *)  pCfg)
                == ERROR )
               {
               status = EINVAL;
               break;
               }
            
           /* set Wep on true else disable */
           if (wepEnable == TRUE)
               {
               /* Enable Wep */
               cfg.authType |= ANET_WEP_ENABLE;
               }
           else
               {
               cfg.authType &= ~ANET_WEP_ENABLE;
               }

           /* disable the MAC */
           if ( cisAironetHwMacDisable (pDev)
                == ERROR )
               {
               status = EINVAL;
               break;
               }
                
           /* Save the config rid */
           (void) cisAironetHwRidConfigSet (pDev, (void *)  pCfg);
           
           /* Re-enable the mac */
           if ( cisAironetHwMacEnable (pDev)
                == ERROR )
               {
               status = EINVAL;
               break;
               }

            /* Save the current wep state */
            pDev->wepEnable = wepEnable;
            break;
            } 
        /* Set a wep key */    
        case EIOCSWEPKEY0:
        case EIOCSWEPKEY1:
        case EIOCSWEPKEY2:
        case EIOCSWEPKEY3:
            {