rt_main_dev.c

ralink 2870 usb无线网卡 最新驱动

		CW_MAX_IN_BITS = 10;
	}
#endif // CONFIG_APSTA_MIXED_SUPPORT //

#if WIRELESS_EXT >= 12
	if (net_dev->priv_flags == INT_MAIN) 
	{
#ifdef CONFIG_APSTA_MIXED_SUPPORT
		if (pAd->OpMode == OPMODE_AP)
			net_dev->wireless_handlers = (struct iw_handler_def *) &rt28xx_ap_iw_handler_def;
#endif // CONFIG_APSTA_MIXED_SUPPORT //
#ifdef CONFIG_STA_SUPPORT
		if (pAd->OpMode == OPMODE_STA)
			net_dev->wireless_handlers = (struct iw_handler_def *) &rt28xx_iw_handler_def;
#endif // CONFIG_STA_SUPPORT //
	}
#endif // WIRELESS_EXT >= 12 //

	// Request interrupt service routine for PCI device
	// register the interrupt routine with the os
	RTMP_IRQ_REQUEST(net_dev);

	// Init IRQ parameters stored in pAd
	RTMP_IRQ_INIT(pAd);
	
	// Chip & other init
	if (rt28xx_init(pAd, mac, hostname) == FALSE)
		goto err;

#ifdef CONFIG_STA_SUPPORT
#endif // CONFIG_STA_SUPPORT //

	// Enable Interrupt
	RTMP_IRQ_ENABLE(pAd);

	// Now Enable RxTx
	RTMPEnableRxTx(pAd);
	RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP);

	{
	UINT32 reg = 0;
	RTMP_IO_READ32(pAd, 0x1300, &reg);  // clear garbage interrupts
	printk("0x1300 = %08x\n", reg);
	}

	{
//	u32 reg;
//	UINT8  byte;
//	u16 tmp;

//	RTMP_IO_READ32(pAd, XIFS_TIME_CFG, &reg);

//	tmp = 0x0805;
//	reg  = (reg & 0xffff0000) | tmp;
//	RTMP_IO_WRITE32(pAd, XIFS_TIME_CFG, reg);

	}


#ifdef CONFIG_STA_SUPPORT
#endif // CONFIG_STA_SUPPORT //

	return (retval);

err:
//+++Add by shiang, move from rt28xx_init() to here.
	RTMP_IRQ_RELEASE(net_dev);
//---Add by shiang, move from rt28xx_init() to here.
	return (-1);
} /* End of rt28xx_open */


PNET_DEV RtmpPhyNetDevInit(
	IN RTMP_ADAPTER *pAd,
	IN RTMP_OS_NETDEV_OP_HOOK *pNetDevHook)
{
	struct net_device	*net_dev = NULL;
//	NDIS_STATUS		Status;
	
	net_dev = RtmpOSNetDevCreate(pAd, INT_MAIN, 0, sizeof(PRTMP_ADAPTER), INF_MAIN_DEV_NAME);
	if (net_dev == NULL)
	{
		printk("RtmpPhyNetDevInit(): creation failed for main physical net device!\n");
		return NULL;
	}

	NdisZeroMemory((unsigned char *)pNetDevHook, sizeof(RTMP_OS_NETDEV_OP_HOOK));
	pNetDevHook->open = MainVirtualIF_open;
	pNetDevHook->stop = MainVirtualIF_close;
	pNetDevHook->xmit = rt28xx_send_packets;
#ifdef IKANOS_VX_1X0
	pNetDevHook->xmit = IKANOS_DataFramesTx;
#endif // IKANOS_VX_1X0 //
	pNetDevHook->ioctl = rt28xx_ioctl;
	pNetDevHook->priv_flags = INT_MAIN;
	pNetDevHook->get_stats = RT28xx_get_ether_stats;

	pNetDevHook->needProtcted = FALSE;

	net_dev->priv = (PVOID)pAd;
	pAd->net_dev = net_dev;
	


#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
	SET_MODULE_OWNER(net_dev);
#endif 

	netif_stop_queue(net_dev);

	return net_dev;
	
}


/*
========================================================================
Routine Description:
    The entry point for Linux kernel sent packet to our driver.

Arguments:
    sk_buff *skb		the pointer refer to a sk_buffer.

Return Value:
    0					

Note:
	This function is the entry point of Tx Path for Os delivery packet to 
	our driver. You only can put OS-depened & STA/AP common handle procedures 
	in here.
========================================================================
*/
int rt28xx_packet_xmit(struct sk_buff *skb)
{
	struct net_device *net_dev = skb->dev;
	PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) net_dev->priv;
	int status = 0;
	PNDIS_PACKET pPacket = (PNDIS_PACKET) skb;

	/* RT2870STA does this in RTMPSendPackets() */
#ifdef RALINK_ATE
	if (ATE_ON(pAd))
	{
		RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_RESOURCES);
		return 0;
	}
#endif // RALINK_ATE //

#ifdef CONFIG_STA_SUPPORT
	IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
	{
		// Drop send request since we are in monitor mode
		if (MONITOR_ON(pAd))
		{
			RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
			goto done;
		}
	}
#endif // CONFIG_STA_SUPPORT //

        // EapolStart size is 18
	if (skb->len < 14)
	{
		//printk("bad packet size: %d\n", pkt->len);
		hex_dump("bad packet", skb->data, skb->len);
		RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
		goto done;
	}



	RTMP_SET_PACKET_5VT(pPacket, 0);
//	MiniportMMRequest(pAd, pkt->data, pkt->len);
#ifdef CONFIG_5VT_ENHANCE
    if (*(int*)(skb->cb) == BRIDGE_TAG) {
		RTMP_SET_PACKET_5VT(pPacket, 1);
    }
#endif



#ifdef CONFIG_STA_SUPPORT
	IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
	{

		STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1);
	}

#endif // CONFIG_STA_SUPPORT //

	status = 0;
done:
			   
	return status;
}


/*
========================================================================
Routine Description:
    Send a packet to WLAN.

Arguments:
    skb_p           points to our adapter
    dev_p           which WLAN network interface

Return Value:
    0: transmit successfully
    otherwise: transmit fail

Note:
========================================================================
*/
static int rt28xx_send_packets(
	IN struct sk_buff 		*skb_p, 
	IN struct net_device 	*net_dev)
{
	RTMP_ADAPTER *pAd = net_dev->priv;

	if (!(net_dev->flags & IFF_UP))
	{
		RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE);
		return 0;
	}

	NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15);
	RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);

	return rt28xx_packet_xmit(skb_p);
}


#if WIRELESS_EXT >= 12
// This function will be called when query /proc
struct iw_statistics *rt28xx_get_wireless_stats(
    IN struct net_device *net_dev)
{
	PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) net_dev->priv;


	DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n"));
	
	pAd->iw_stats.status = 0; // Status - device dependent for now

	// link quality
	pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10);
	if(pAd->iw_stats.qual.qual > 100)
		pAd->iw_stats.qual.qual = 100;

#ifdef CONFIG_STA_SUPPORT
	if (pAd->OpMode == OPMODE_STA)
		pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2);
#endif // CONFIG_STA_SUPPORT //

	pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm)
	
	pAd->iw_stats.qual.noise += 256 - 143;
	pAd->iw_stats.qual.updated = 1;     // Flags to know if updated
#ifdef IW_QUAL_DBM
	pAd->iw_stats.qual.updated |= IW_QUAL_DBM;	// Level + Noise are dBm
#endif // IW_QUAL_DBM //

	pAd->iw_stats.discard.nwid = 0;     // Rx : Wrong nwid/essid
	pAd->iw_stats.miss.beacon = 0;      // Missed beacons/superframe
	
	DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n"));
	return &pAd->iw_stats;
}
#endif // WIRELESS_EXT //


void tbtt_tasklet(unsigned long data)
{
//#define MAX_TX_IN_TBTT		(16)

}

INT rt28xx_ioctl(
	IN	PNET_DEV	net_dev, 
	IN	OUT	struct ifreq	*rq, 
	IN	INT					cmd)
{
	RTMP_ADAPTER	*pAd = NULL;
	INT				ret = 0;

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


#ifdef CONFIG_STA_SUPPORT
	IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
	{
		ret = rt28xx_sta_ioctl(net_dev, rq, cmd);
	}
#endif // CONFIG_STA_SUPPORT //

	return ret;
}


/*
    ========================================================================

    Routine Description:
        return ethernet statistics counter

    Arguments:
        net_dev                     Pointer to net_device

    Return Value:
        net_device_stats*

    Note:

    ========================================================================
*/
static struct net_device_stats *RT28xx_get_ether_stats(
    IN  struct net_device *net_dev)
{
    RTMP_ADAPTER *pAd = NULL;

	if (net_dev)
		pAd = net_dev->priv;

	if (pAd)
	{

		pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart;
		pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart;

		pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount;
		pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount;

		pAd->stats.rx_errors = pAd->Counters8023.RxErrors;
		pAd->stats.tx_errors = pAd->Counters8023.TxErrors;

		pAd->stats.rx_dropped = 0;
		pAd->stats.tx_dropped = 0;

	    pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart;   // multicast packets received
	    pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions;  // Collision packets

	    pAd->stats.rx_length_errors = 0;
	    pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer;                   // receiver ring buff overflow
	    pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount;     // recved pkt with crc error
	    pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors;          // recv'd frame alignment error
	    pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer;                   // recv'r fifo overrun
	    pAd->stats.rx_missed_errors = 0;                                            // receiver missed packet

	    // detailed tx_errors
	    pAd->stats.tx_aborted_errors = 0;
	    pAd->stats.tx_carrier_errors = 0;
	    pAd->stats.tx_fifo_errors = 0;
	    pAd->stats.tx_heartbeat_errors = 0;
	    pAd->stats.tx_window_errors = 0;

	    // for cslip etc
	    pAd->stats.rx_compressed = 0;
	    pAd->stats.tx_compressed = 0;
		
		return &pAd->stats;
	}
	else
    	return NULL;
}


BOOLEAN RtmpPhyNetDevExit(
	IN RTMP_ADAPTER *pAd, 
	IN PNET_DEV net_dev)
{



	// Unregister network device
	if (net_dev != NULL)
	{
		printk("RtmpOSNetDevDetach(): RtmpOSNetDeviceDetach(), dev->name=%s!\n", net_dev->name);
		RtmpOSNetDevDetach(net_dev);
	}

	return TRUE;
	
}


/*
========================================================================
Routine Description:
    Allocate memory for adapter control block.

Arguments:
    pAd					Pointer to our adapter

Return Value:
	NDIS_STATUS_SUCCESS
	NDIS_STATUS_FAILURE
	NDIS_STATUS_RESOURCES

Note:
========================================================================
*/
NDIS_STATUS AdapterBlockAllocateMemory(
	IN PVOID	handle,
	OUT	PVOID	*ppAd)
{

	*ppAd = (PVOID)vmalloc(sizeof(RTMP_ADAPTER)); //pci_alloc_consistent(pci_dev, sizeof(RTMP_ADAPTER), phy_addr);
    
	if (*ppAd) 
	{
		NdisZeroMemory(*ppAd, sizeof(RTMP_ADAPTER));
		((PRTMP_ADAPTER)*ppAd)->OS_Cookie = handle;
		return (NDIS_STATUS_SUCCESS);
	} else {
		return (NDIS_STATUS_FAILURE);
	}
}