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📄 rtmp_info.c

📁 经过修改的在uClinux2.6上正常运行的ralink rt2571芯片组的设备驱动程序.
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		p = custom;
		p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
				  " Last beacon: %lums ago", (jiffies - pAdapter->ScanTab.BssEntry[i].LastBeaconRxTime) / (HZ / 100));
		iwe.u.data.length = p - custom;
		if (iwe.u.data.length)
		{   
		    previous_ev = current_ev;
			current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, custom);
            if (current_ev == previous_ev)
                break;
        }
#endif

		//================================
		memset(&iwe, 0, sizeof(iwe));

	}
	data->length = current_ev - extra;
	DBGPRINT(RT_DEBUG_ERROR,"===>rt_ioctl_giwscan. %d(%d) BSS returned\n",i , pAdapter->ScanTab.BssNr);					
	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;
	NDIS_802_11_SSID					Ssid, *pSsid=NULL;

    //check if the interface is down
    if (pAdapter->RTUSBCmdThr_pid < 0)
        return -ENETDOWN;

    memset(&Ssid, 0x00, sizeof(NDIS_802_11_SSID));

	if (data->flags)
	{
		if (data->length > IW_ESSID_MAX_SIZE)
		{
			return -E2BIG;
		}

		memcpy(Ssid.Ssid, essid, (data->length - 1));
		Ssid.SsidLength = data->length - 1;	//minus null character.
	}
	else
	{
		Ssid.SsidLength = 0;  // ANY ssid 
        memcpy(Ssid.Ssid, "", 0);
        
		// reset to infra/open/none as the user set ANY ssid 
        // $ iwconfig [interface] essid "" 
		pAdapter->PortCfg.BssType = BSS_INFRA;	
		pAdapter->PortCfg.AuthMode = Ndis802_11AuthModeOpen;
		pAdapter->PortCfg.WepStatus  = Ndis802_11EncryptionDisabled;		    
    }
    
	pSsid = &Ssid;
	if ((pAdapter->Mlme.CntlMachine.CurrState != CNTL_IDLE) && (pAdapter->MLMEThr_pid > 0))
	{
		MlmeEnqueue(pAdapter, 
                    MLME_CNTL_STATE_MACHINE,
                    RT_CMD_RESET_MLME,
                    0,
                    NULL);	
    }

	// tell CNTL state machine to call NdisMSetInformationComplete() after completing
	// this request, because this request is initiated by NDIS.

	// To prevent some kernel thread is very low priority ...so essid copy immediately for later wpapsk counting.
	if ((pAdapter->PortCfg.AuthMode >= Ndis802_11AuthModeWPA) && (pAdapter->PortCfg.AuthMode != Ndis802_11AuthModeWPANone))
		NdisMoveMemory(pAdapter->MlmeAux.Ssid, Ssid.Ssid, Ssid.SsidLength);

	pAdapter->MlmeAux.CurrReqIsFromNdis = FALSE; 
	DBGPRINT(RT_DEBUG_TRACE,"===>rt_ioctl_siwessid:: (Ssid.SsidLength = %d, %s)\n",Ssid.SsidLength, Ssid.Ssid);		

	if (pAdapter->MLMEThr_pid > 0)
	{
		MlmeEnqueue(pAdapter, 
					MLME_CNTL_STATE_MACHINE, 
					OID_802_11_SSID,
					sizeof(NDIS_802_11_SSID),
					(VOID *)pSsid);
	}			
	RTUSBMlmeUp(pAdapter);
		
	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;

    //check if the interface is down
    if (pAdapter->RTUSBCmdThr_pid < 0)
        return -ENETDOWN;

	data->flags = 1;		/* active */
	if (OPSTATUS_TEST_FLAG(pAdapter, fOP_STATUS_MEDIA_STATE_CONNECTED))
	{
		DBGPRINT(RT_DEBUG_TRACE,"MediaState is connected\n");
		data->length = pAdapter->PortCfg.SsidLen;
		memcpy(essid, pAdapter->PortCfg.Ssid, pAdapter->PortCfg.SsidLen);
		pAdapter->PortCfg.Ssid[pAdapter->PortCfg.SsidLen] = '\0';
		DBGPRINT(RT_DEBUG_TRACE,"pAdapter->PortCfg.Ssid=%s , Ssidlen = %d\n",pAdapter->PortCfg.Ssid, pAdapter->PortCfg.SsidLen);
	}
	else
	{//the ANY ssid was specified
		data->length  = 0;
		DBGPRINT(RT_DEBUG_TRACE,"MediaState is not connected, ess\n");
	}
	DBGPRINT(RT_DEBUG_TRACE, "===>rt_ioctl_giwessid:: (Len=%d, ssid=%s...)\n", pAdapter->PortCfg.SsidLen, pAdapter->PortCfg.Ssid);

	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 (pAdapter->RTUSBCmdThr_pid < 0)
        return -ENETDOWN;

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

	memset(pAdapter->nickn, 0, IW_ESSID_MAX_SIZE);
	memcpy(pAdapter->nickn, 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;

    //check if the interface is down
    if (pAdapter->RTUSBCmdThr_pid < 0)
        return -ENETDOWN;

	if (data->length > strlen(pAdapter->nickn) + 1)
		data->length = strlen(pAdapter->nickn) + 1;
	if (data->length > 0) {
		memcpy(nickname, pAdapter->nickn, 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 (pAdapter->RTUSBCmdThr_pid < 0)
        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->PortCfg.RtsThreshold)
		pAdapter->PortCfg.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;

    //check if the interface is down
    if (pAdapter->RTUSBCmdThr_pid < 0)
        return -ENETDOWN;

	rts->value = pAdapter->PortCfg.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 *rts, char *extra)
{
	PRTMP_ADAPTER pAdapter = (PRTMP_ADAPTER) dev->priv;
	u16 val;

    //check if the interface is down
    if (pAdapter->RTUSBCmdThr_pid < 0)
        return -ENETDOWN;

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

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

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

    //check if the interface is down
    if (pAdapter->RTUSBCmdThr_pid < 0)
        return -ENETDOWN;

	rts->value = pAdapter->PortCfg.FragmentThreshold;
	rts->disabled = (rts->value == 2346);
	rts->fixed = 1;

	return 0;
}

int rt_ioctl_siwencode(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_point *erq, char *keybuf)
{
	PRTMP_ADAPTER pAdapter = (PRTMP_ADAPTER) dev->priv;
	union {
		char buf[sizeof(NDIS_802_11_WEP)+MAX_LEN_OF_KEY- 1];
		NDIS_802_11_WEP keyinfo;
	} WepKey;
	int 	index, i, len;
	CHAR	kid = 0;

    //check if the interface is down
    if (pAdapter->RTUSBCmdThr_pid < 0)
        return -ENETDOWN;

	NdisZeroMemory(&WepKey, sizeof(WepKey));
	
	if (erq->flags & IW_ENCODE_DISABLED)
	{
		pAdapter->PortCfg.PairCipher = Ndis802_11WEPDisabled;
		pAdapter->PortCfg.GroupCipher = Ndis802_11WEPDisabled;
		pAdapter->PortCfg.WepStatus = Ndis802_11WEPDisabled;
	}
	else
	{
		pAdapter->PortCfg.PairCipher = Ndis802_11WEPEnabled;
		pAdapter->PortCfg.GroupCipher = Ndis802_11WEPEnabled;
		pAdapter->PortCfg.WepStatus = Ndis802_11WEPEnabled;
	}

	if (erq->flags & IW_ENCODE_RESTRICTED)
		pAdapter->PortCfg.AuthMode = Ndis802_11AuthModeShared;
	else 
		pAdapter->PortCfg.AuthMode = Ndis802_11AuthModeOpen;

	if(pAdapter->PortCfg.WepStatus == Ndis802_11WEPDisabled)
		pAdapter->PortCfg.AuthMode = Ndis802_11AuthModeOpen;
	
	if ((erq->flags & IW_ENCODE_DISABLED) == 0) 
	{
		/* Enable crypto. */
		if (erq->length > IFNAMSIZ)
			return -EINVAL;

		/* Old solution to take  default key  */
		index = (erq->flags & IW_ENCODE_INDEX) ;
		if((index < 0) || (index > NR_WEP_KEYS))
			return -EINVAL; 	
		DBGPRINT(RT_DEBUG_TRACE," erq->flags = %x\n",erq->flags);
		
		if (index != 0)
		{
			pAdapter->PortCfg.DefaultKeyId = index -1;
		}

		if ((erq->length == 1) && (index == 0))
		{
			/* New solution to take  default key  when old way not work, not change KeyMaterial*/
			NdisMoveMemory(&kid, keybuf, 1 );
			if((index < 0) || (index >= NR_WEP_KEYS))
				return -EINVAL; 	
			
			DBGPRINT(RT_DEBUG_TRACE,"kid = %d , erq->length = %d\n",kid, erq->length);
			if (kid > 0)
				pAdapter->PortCfg.DefaultKeyId = kid-1;
			else 
				pAdapter->PortCfg.DefaultKeyId = 0;
		}
		else
		{	
			DBGPRINT(RT_DEBUG_TRACE,"DefaultKeyId = %d , erq->length = %d, flags 0x%x\n",pAdapter->PortCfg.DefaultKeyId, erq->length,erq->flags);
			len = erq->length;
			if(len > WEP_LARGE_KEY_LEN)
				len = WEP_LARGE_KEY_LEN;
				
			// If this instruction default key
			NdisZeroMemory(pAdapter->SharedKey[pAdapter->PortCfg.DefaultKeyId].Key,  MAX_LEN_OF_KEY);		  
			NdisMoveMemory(pAdapter->SharedKey[pAdapter->PortCfg.DefaultKeyId].Key, keybuf, len);  
			NdisMoveMemory(WepKey.keyinfo.KeyMaterial, keybuf, len);
			WepKey.keyinfo.KeyIndex = 0x80000000 + pAdapter->PortCfg.DefaultKeyId; 
			WepKey.keyinfo.KeyLength = len;
			pAdapter->SharedKey[pAdapter->PortCfg.DefaultKeyId].KeyLen =(UCHAR) (len <= WEP_SMALL_KEY_LEN ? WEP_SMALL_KEY_LEN : WEP_LARGE_KEY_LEN);
			DBGPRINT(RT_DEBUG_TRACE,"SharedKey	");
			for (i=0; i < 5;i++)
				DBGPRINT_RAW(RT_DEBUG_TRACE,"	%x ", pAdapter->SharedKey[pAdapter->PortCfg.DefaultKeyId].Key[i]);
			DBGPRINT(RT_DEBUG_TRACE,   "\n");
			// need to enqueue cmd to thread
			RTUSBEnqueueCmdFromNdis(pAdapter, OID_802_11_ADD_WEP, TRUE, &WepKey, sizeof(WepKey.keyinfo) + len - 1);

		}
		
	}
	DBGPRINT(RT_DEBUG_TRACE, "==>rt_ioctl_siwencode::AuthMode=%x\n",pAdapter->PortCfg.AuthMode);
	DBGPRINT(RT_DEBUG_TRACE, "==>rt_ioctl_siwencode::DefaultKeyId=%x, KeyLen = %d\n",pAdapter->PortCfg.DefaultKeyId , pAdapter->SharedKey[pAdapter->PortCfg.DefaultKeyId].KeyLen);
	DBGPRINT(RT_DEBUG_TRACE, "==>rt_ioctl_siwencode::WepStatus=%x\n",pAdapter->PortCfg.WepStatus);
	return 0;
}

int
rt_ioctl_giwencode(struct net_device *dev,
			  struct iw_request_info *info,
			  struct iw_point *erq, char *key)
{
	PRTMP_ADAPTER pAdapter = (PRTMP_ADAPTER) dev->priv;
	int kid;
	
    //check if the interface is down
    if (pAdapter->RTUSBCmdThr_pid < 0)
        return -ENETDOWN;

	kid = erq->flags & IW_ENCODE_INDEX;
	DBGPRINT(RT_DEBUG_TRACE, "===>rt_ioctl_giwencode %d\n", erq->flags & IW_ENCODE_INDEX);

	if (pAdapter->PortCfg.WepStatus == Ndis802_11WEPDisabled)
	{
		erq->length = 0;
		erq->flags = IW_ENCODE_DISABLED;
	} 
	else if ((kid > 0) && (kid <=4))
	{
		// copy wep key
		erq->flags = kid ;			/* NB: base 1 */
		if (erq->length > pAdapter->SharedKey[kid-1].KeyLen)
			erq->length = pAdapter->SharedKey[kid-1].KeyLen;
		memcpy(key, pAdapter->SharedKey[kid-1].Key, erq->length);
		//if ((kid == pAdapter->PortCfg.DefaultKeyId))
		//erq->flags |= IW_ENCODE_ENABLED;	/* XXX */
		if (pAdapter->PortCfg.AuthMode == Ndis802_11AuthModeShared)
			erq->flags |= IW_ENCODE_RESTRICTED;		/* XXX */
		else
			erq->flags |= IW_ENCODE_OPEN;		/* XXX */
		
	}
	else if (kid == 0)
	{
		if (pAdapter->PortCfg.AuthMode == Ndis802_11AuthModeShared)
			erq->flags |= IW_ENCODE_RESTRICTED;		/* XXX */
		else
			erq->flags |= IW_ENCODE_OPEN;		/* XXX */
		erq->length = pAdapter->SharedKey[pAdapter->PortCfg.DefaultKeyId].KeyLen;
		memcpy(key, pAdapter->SharedKey[pAdapter->PortCfg.DefaultKeyId].Key, erq->length);
		// copy default key ID
		if (pAdapter->PortCfg.AuthMode == Ndis802_11AuthModeShared)
			erq->flags |= IW_ENCODE_RESTRICTED;		/* XXX */
		else

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