sta_ioctl.c

ralink 2870 usb无线网卡 最新驱动

		{
			iwe.u.mode = IW_MODE_INFRA;
		}
		else
		{
			iwe.u.mode = IW_MODE_AUTO;
		}
		iwe.len = IW_EV_UINT_LEN;

        previous_ev = current_ev;
		current_ev = IWE_STREAM_ADD_EVENT(info, current_ev, end_buf, &iwe,  IW_EV_UINT_LEN);
        if (current_ev == previous_ev)
#if WIRELESS_EXT >= 17
            return -E2BIG;
#else
			break;
#endif

		//Channel and Frequency
		//================================
		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = SIOCGIWFREQ;
		if (INFRA_ON(pAdapter) || ADHOC_ON(pAdapter))
			iwe.u.freq.m = pAdapter->ScanTab.BssEntry[i].Channel;
		else
			iwe.u.freq.m = pAdapter->ScanTab.BssEntry[i].Channel;
		iwe.u.freq.e = 0;
		iwe.u.freq.i = 0;
		
		previous_ev = current_ev;
		current_ev = IWE_STREAM_ADD_EVENT(info, current_ev,end_buf, &iwe, IW_EV_FREQ_LEN);
        if (current_ev == previous_ev)
#if WIRELESS_EXT >= 17
            return -E2BIG;
#else
			break;
#endif

        //Add quality statistics
        //================================
        memset(&iwe, 0, sizeof(iwe));
    	iwe.cmd = IWEVQUAL;
    	iwe.u.qual.level = 0;
    	iwe.u.qual.noise = 0;
	set_quality(pAdapter, &iwe.u.qual, pAdapter->ScanTab.BssEntry[i].Rssi);
    	current_ev = IWE_STREAM_ADD_EVENT(info, current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
	if (current_ev == previous_ev)
#if WIRELESS_EXT >= 17
            return -E2BIG;
#else
			break;
#endif

		//Encyption key
		//================================
		memset(&iwe, 0, sizeof(iwe));
		iwe.cmd = SIOCGIWENCODE;
		if (CAP_IS_PRIVACY_ON (pAdapter->ScanTab.BssEntry[i].CapabilityInfo ))
			iwe.u.data.flags =IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
		else
			iwe.u.data.flags = IW_ENCODE_DISABLED;

        previous_ev = current_ev;		
        current_ev = IWE_STREAM_ADD_POINT(info, current_ev, end_buf,&iwe, (char *)pAdapter->SharedKey[BSS0][(iwe.u.data.flags & IW_ENCODE_INDEX)-1].Key);
        if (current_ev == previous_ev)
#if WIRELESS_EXT >= 17
            return -E2BIG;
#else
			break;
#endif

		//Bit Rate
		//================================
		if (pAdapter->ScanTab.BssEntry[i].SupRateLen)
        {
            UCHAR tmpRate = pAdapter->ScanTab.BssEntry[i].SupRate[pAdapter->ScanTab.BssEntry[i].SupRateLen-1];
			memset(&iwe, 0, sizeof(iwe));
			iwe.cmd = SIOCGIWRATE;
    		current_val = current_ev + IW_EV_LCP_LEN;            
            if (tmpRate == 0x82)
                iwe.u.bitrate.value =  1 * 1000000;
            else if (tmpRate == 0x84)
                iwe.u.bitrate.value =  2 * 1000000;
            else if (tmpRate == 0x8B)
                iwe.u.bitrate.value =  5.5 * 1000000;
            else if (tmpRate == 0x96)
                iwe.u.bitrate.value =  11 * 1000000;
            else
    		    iwe.u.bitrate.value =  (tmpRate/2) * 1000000;
            
			iwe.u.bitrate.disabled = 0;
			current_val = IWE_STREAM_ADD_VALUE(info, current_ev,
				current_val, end_buf, &iwe,
    			IW_EV_PARAM_LEN);            

        	if((current_val-current_ev)>IW_EV_LCP_LEN)
            	current_ev = current_val;
        	else
#if WIRELESS_EXT >= 17
                return -E2BIG;
#else
			    break;
#endif
        }
            
#ifdef IWEVGENIE
        //WPA IE
		if (pAdapter->ScanTab.BssEntry[i].WpaIE.IELen > 0)
        {
			memset(&iwe, 0, sizeof(iwe));
			memset(&custom[0], 0, MAX_CUSTOM_LEN);
			memcpy(custom, &(pAdapter->ScanTab.BssEntry[i].WpaIE.IE[0]), 
						   pAdapter->ScanTab.BssEntry[i].WpaIE.IELen);
			iwe.cmd = IWEVGENIE;
			iwe.u.data.length = pAdapter->ScanTab.BssEntry[i].WpaIE.IELen;
			current_ev = IWE_STREAM_ADD_POINT(info, current_ev, end_buf, &iwe, custom);
			if (current_ev == previous_ev)
#if WIRELESS_EXT >= 17
                return -E2BIG;
#else
			    break;
#endif
		}
            
		//WPA2 IE
        if (pAdapter->ScanTab.BssEntry[i].RsnIE.IELen > 0)
        {
        	memset(&iwe, 0, sizeof(iwe));
			memset(&custom[0], 0, MAX_CUSTOM_LEN);
			memcpy(custom, &(pAdapter->ScanTab.BssEntry[i].RsnIE.IE[0]), 
						   pAdapter->ScanTab.BssEntry[i].RsnIE.IELen);
			iwe.cmd = IWEVGENIE;
			iwe.u.data.length = pAdapter->ScanTab.BssEntry[i].RsnIE.IELen;
			current_ev = IWE_STREAM_ADD_POINT(info, current_ev, end_buf, &iwe, custom);
			if (current_ev == previous_ev)
#if WIRELESS_EXT >= 17
                return -E2BIG;
#else
			    break;
#endif
        }
#else
        //WPA IE
		//================================
        if (pAdapter->ScanTab.BssEntry[i].WpaIE.IELen > 0)
        {
    		NdisZeroMemory(&iwe, sizeof(iwe));
			memset(&custom[0], 0, MAX_CUSTOM_LEN);
    		iwe.cmd = IWEVCUSTOM;
            iwe.u.data.length = (pAdapter->ScanTab.BssEntry[i].WpaIE.IELen * 2) + 7;
            NdisMoveMemory(custom, "wpa_ie=", 7);
            for (idx = 0; idx < pAdapter->ScanTab.BssEntry[i].WpaIE.IELen; idx++)
                sprintf(custom, "%s%02x", custom, pAdapter->ScanTab.BssEntry[i].WpaIE.IE[idx]);
            previous_ev = current_ev;
    		current_ev = IWE_STREAM_ADD_POINT(info, current_ev, end_buf, &iwe,  custom);
            if (current_ev == previous_ev)
#if WIRELESS_EXT >= 17
                return -E2BIG;
#else
			    break;
#endif
        }

        //WPA2 IE
        if (pAdapter->ScanTab.BssEntry[i].RsnIE.IELen > 0)
        {
    		NdisZeroMemory(&iwe, sizeof(iwe));
			memset(&custom[0], 0, MAX_CUSTOM_LEN);
    		iwe.cmd = IWEVCUSTOM;
            iwe.u.data.length = (pAdapter->ScanTab.BssEntry[i].RsnIE.IELen * 2) + 7;
            NdisMoveMemory(custom, "rsn_ie=", 7);
			for (idx = 0; idx < pAdapter->ScanTab.BssEntry[i].RsnIE.IELen; idx++)
                sprintf(custom, "%s%02x", custom, pAdapter->ScanTab.BssEntry[i].RsnIE.IE[idx]);
            previous_ev = current_ev;
    		current_ev = IWE_STREAM_ADD_POINT(info, current_ev, end_buf, &iwe,  custom);
            if (current_ev == previous_ev)
#if WIRELESS_EXT >= 17
                return -E2BIG;
#else
			    break;
#endif
        }
#endif // IWEVGENIE //
	}

	data->length = current_ev - extra;
    pAdapter->StaCfg.bScanReqIsFromWebUI = FALSE;
	DBGPRINT(RT_DEBUG_ERROR ,("===>rt_ioctl_giwscan. %d(%d) BSS returned, data->length = %d\n",i , pAdapter->ScanTab.BssNr, data->length));
	return 0;
}
#endif

int rt_ioctl_siwessid(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *data, char *essid)
{
	PRTMP_ADAPTER pAdapter = (PRTMP_ADAPTER) dev->priv;

	//check if the interface is down
    if(!RTMP_TEST_FLAG(pAdapter, fRTMP_ADAPTER_INTERRUPT_IN_USE))
    {
       	DBGPRINT(RT_DEBUG_TRACE, ("INFO::Network is down!\n"));
       	return -ENETDOWN;   
    }

	if (data->flags)
	{
		PSTRING	pSsidString = NULL;
		
		// Includes null character.
		if (data->length > (IW_ESSID_MAX_SIZE + 1)) 
			return -E2BIG;

		pSsidString = kmalloc(MAX_LEN_OF_SSID+1, MEM_ALLOC_FLAG);
		if (pSsidString)
        {
			NdisZeroMemory(pSsidString, MAX_LEN_OF_SSID+1);
			NdisMoveMemory(pSsidString, essid, data->length);
			if (Set_SSID_Proc(pAdapter, pSsidString) == FALSE)
				return -EINVAL;
		}
		else
			return -ENOMEM;
		}
	else
    {
		// ANY ssid
		if (Set_SSID_Proc(pAdapter, "") == FALSE)
			return -EINVAL;
    }
	return 0;
}

int rt_ioctl_giwessid(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *data, char *essid)
{
	PRTMP_ADAPTER pAdapter = (PRTMP_ADAPTER) dev->priv;

	if (pAdapter == NULL)
	{
		/* if 1st open fail, pAd will be free;
		   So the net_dev->priv will be NULL in 2rd open */
		return -ENETDOWN;
	}

	data->flags = 1;		
    if (MONITOR_ON(pAdapter))
    {
        data->length  = 0;
        return 0;
    }

	if (OPSTATUS_TEST_FLAG(pAdapter, fOP_STATUS_MEDIA_STATE_CONNECTED))
	{
		DBGPRINT(RT_DEBUG_TRACE ,("MediaState is connected\n"));
		data->length = pAdapter->CommonCfg.SsidLen;
		memcpy(essid, pAdapter->CommonCfg.Ssid, pAdapter->CommonCfg.SsidLen);
	}
#ifdef RTMP_MAC_USB    
#ifdef WPA_SUPPLICANT_SUPPORT
    // Add for RT2870
    else if (pAdapter->StaCfg.WpaSupplicantUP != WPA_SUPPLICANT_DISABLE)
    {
        data->length = pAdapter->CommonCfg.SsidLen;
		memcpy(essid, pAdapter->CommonCfg.Ssid, pAdapter->CommonCfg.SsidLen);
	}
#endif // WPA_SUPPLICANT_SUPPORT //
#endif // RTMP_MAC_USB //
	else
	{//the ANY ssid was specified
		data->length  = 0;
		DBGPRINT(RT_DEBUG_TRACE ,("MediaState is not connected, ess\n"));
	}

	return 0;

}

int rt_ioctl_siwnickn(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *data, char *nickname)
{
	PRTMP_ADAPTER pAdapter = (PRTMP_ADAPTER) dev->priv;

    //check if the interface is down
    if(!RTMP_TEST_FLAG(pAdapter, fRTMP_ADAPTER_INTERRUPT_IN_USE))
    {
        DBGPRINT(RT_DEBUG_TRACE ,("INFO::Network is down!\n"));
        return -ENETDOWN;   
    }

	if (data->length > IW_ESSID_MAX_SIZE)
		return -EINVAL;

	memset(pAdapter->nickname, 0, IW_ESSID_MAX_SIZE + 1);
	memcpy(pAdapter->nickname, nickname, data->length);


	return 0;
}

int rt_ioctl_giwnickn(struct net_device *dev,
			 struct iw_request_info *info,
			 struct iw_point *data, char *nickname)
{
	PRTMP_ADAPTER pAdapter = (PRTMP_ADAPTER) dev->priv;

	if (pAdapter == NULL)
	{
		/* if 1st open fail, pAd will be free;
		   So the net_dev->priv will be NULL in 2rd open */
		return -ENETDOWN;
	}

	if (data->length > strlen((PSTRING) pAdapter->nickname) + 1)
		data->length = strlen((PSTRING) pAdapter->nickname) + 1;
	if (data->length > 0) {
		memcpy(nickname, pAdapter->nickname, data->length-1);
		nickname[data->length-1] = '\0';
	}
	return 0;
}

int rt_ioctl_siwrts(struct net_device *dev,
		       struct iw_request_info *info,
		       struct iw_param *rts, char *extra)
{
	PRTMP_ADAPTER pAdapter = (PRTMP_ADAPTER) dev->priv;
	u16 val;

    //check if the interface is down
    if(!RTMP_TEST_FLAG(pAdapter, fRTMP_ADAPTER_INTERRUPT_IN_USE))
    {
        DBGPRINT(RT_DEBUG_TRACE, ("INFO::Network is down!\n"));
        return -ENETDOWN;   
    }
	
	if (rts->disabled)
		val = MAX_RTS_THRESHOLD;
	else if (rts->value < 0 || rts->value > MAX_RTS_THRESHOLD)
		return -EINVAL;
	else if (rts->value == 0)
	    val = MAX_RTS_THRESHOLD;
	else
		val = rts->value;
	
	if (val != pAdapter->CommonCfg.RtsThreshold)
		pAdapter->CommonCfg.RtsThreshold = val;

	return 0;
}

int rt_ioctl_giwrts(struct net_device *dev,
		       struct iw_request_info *info,
		       struct iw_param *rts, char *extra)
{
	PRTMP_ADAPTER pAdapter = (PRTMP_ADAPTER) dev->priv;

	if (pAdapter == NULL)
	{
		/* if 1st open fail, pAd will be free;
		   So the net_dev->priv will be NULL in 2rd open */
		return -ENETDOWN;
	}

	//check if the interface is down
    	if(!RTMP_TEST_FLAG(pAdapter, fRTMP_ADAPTER_INTERRUPT_IN_USE))
    	{
      		DBGPRINT(RT_DEBUG_TRACE, ("INFO::Network is down!\n"));
        	return -ENETDOWN;   
    	}

	rts->value = pAdapter->CommonCfg.RtsThreshold;
	rts->disabled = (rts->value == MAX_RTS_THRESHOLD);
	rts->fixed = 1;

	return 0;
}

int rt_ioctl_siwfrag(struct net_device *dev,
			struct iw_request_info *info,
			struct iw_param *frag, char *extra)
{
	PRTMP_ADAPTER pAdapter = (PRTMP_ADAPTER) dev->priv;
	u16 val;

	//check if the interface is down
    	if(!RTMP_TEST_FLAG(pAdapter, fRTMP_ADAPTER_INTERRUPT_IN_USE))
    	{
      		DBGPRINT(RT_DEBUG_TRACE, ("INFO::Network is down!\n"));
        	return -ENETDOWN;   
    	}

	if (frag->disabled)
		val = MAX_FRAG_THRESHOLD;
	else if (frag->value >= MIN_FRAG_THRESHOLD || frag->value <= MAX_FRAG_THRESHOLD)
        val = __cpu_to_le16(frag->value & ~0x1); /* even numbers only */
	else if (frag->value == 0)
	    val = MAX_FRAG_THRESHOLD;
	else
		return -EINVAL;

	pAdapter->CommonCfg.FragmentThreshold = val;
	return 0;
}

int rt_ioctl_giwfrag(struct net_device *dev,
			struct iw_request_info *info,
			struct iw_param *frag, char *extra)
{
	PRTMP_ADAPTER pAdapter = (PRTMP_ADAPTER) dev->priv;

	if (pAdapter == NULL)
	{
		/* if 1st open fail, pAd will be free;
		   So the net_dev->priv will be NULL in 2rd open */
		return -ENETDOWN;
	}

	//check if the interface is down