linux-2.6/drivers/staging/bcm/Bcmnet.c

#include "headers.h"

#define DRV_DESCRIPTION "Beceem Communications Inc. WiMAX driver"
#define DRV_VERSION	"5.2.7.3P1"
#define DRV_COPYRIGHT	"Copyright 2010. Beceem Communications Inc"


struct net_device *gblpnetdev;
/***************************************************************************************/
/* proto-type of lower function */

static INT bcm_open(struct net_device *dev)
{
    PMINI_ADAPTER Adapter = NULL ; //(PMINI_ADAPTER)dev->priv;
	Adapter = GET_BCM_ADAPTER(dev);
    BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "======>");
    if(Adapter->fw_download_done==FALSE)
        return -EINVAL;
	Adapter->if_up=1;
	if(Adapter->LinkUpStatus == 1){
		if(netif_queue_stopped(Adapter->dev)){
			netif_carrier_on(Adapter->dev);
			netif_start_queue(Adapter->dev);
		}
	}

	BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "<======");
    return 0;
}

static INT bcm_close(struct net_device *dev)
{
   PMINI_ADAPTER Adapter = NULL ;//gpadapter ;
   Adapter = GET_BCM_ADAPTER(dev);
    BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "=====>");
	Adapter->if_up=0;
	if(!netif_queue_stopped(dev)) {
		netif_carrier_off(dev);
	    netif_stop_queue(dev);
	}
    BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"<=====");
    return 0;
}

static struct net_device_stats *bcm_get_stats(struct net_device *dev)
{
	PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(dev);
	struct net_device_stats*  	netstats = &dev->stats;

	netstats->rx_packets = atomic_read(&Adapter->RxRollOverCount)*64*1024
		+ Adapter->PrevNumRecvDescs;
	netstats->rx_bytes = atomic_read(&Adapter->GoodRxByteCount)
		+ atomic_read(&Adapter->BadRxByteCount);

	netstats->rx_dropped = atomic_read(&Adapter->RxPacketDroppedCount);
	netstats->rx_errors  = atomic_read(&Adapter->RxPacketDroppedCount);
	netstats->tx_bytes   = atomic_read(&Adapter->GoodTxByteCount);
	netstats->tx_packets = atomic_read(&Adapter->TxTotalPacketCount);
	netstats->tx_dropped = atomic_read(&Adapter->TxDroppedPacketCount);

	return netstats;
}
/**
@ingroup init_functions
Register other driver entry points with the kernel
*/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)
static struct net_device_ops bcmNetDevOps = {
    .ndo_open		= bcm_open,
    .ndo_stop 		= bcm_close,
    .ndo_get_stats 	= bcm_get_stats,
    .ndo_start_xmit	= bcm_transmit,
    .ndo_change_mtu	= eth_change_mtu,
    .ndo_set_mac_address = eth_mac_addr,
    .ndo_validate_addr	= eth_validate_addr,
};
#endif

int register_networkdev(PMINI_ADAPTER Adapter)
{
	int result=0;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
	void **temp = NULL; /* actually we're *allocating* the device in alloc_etherdev */
#endif
	Adapter->dev = alloc_etherdev(sizeof(PMINI_ADAPTER));
	if(!Adapter->dev)
	{
		BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "ERR: No Dev");
		return -ENOMEM;
	}
	gblpnetdev							= Adapter->dev;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
	Adapter->dev->priv      			= Adapter;
#else
	temp = netdev_priv(Adapter->dev);
	*temp = (void *)Adapter;
#endif
	//BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "init adapterptr: %x %x\n", (UINT)Adapter, temp);

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)
        Adapter->dev->netdev_ops                = &bcmNetDevOps;
#else
	Adapter->dev->open      			= bcm_open;
	Adapter->dev->stop               	= bcm_close;
	Adapter->dev->get_stats          	= bcm_get_stats;
	Adapter->dev->hard_start_xmit    	= bcm_transmit;
	Adapter->dev->hard_header_len    	= ETH_HLEN + LEADER_SIZE;
#endif

	Adapter->dev->mtu					= MTU_SIZE; /* 1400 Bytes */
	/* Read the MAC Address from EEPROM */
	ReadMacAddressFromNVM(Adapter);

	result = register_netdev(Adapter->dev);
	if (!result) {
		free_netdev(Adapter->dev);
		Adapter->dev = NULL;
	}

	return result;
}

void bcm_unregister_networkdev(PMINI_ADAPTER Adapter)
{
	BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Unregistering the Net Dev...\n");
	if(Adapter->dev) {
		unregister_netdev(Adapter->dev);
		Adapter->dev = NULL;
	}
}

static int bcm_init(void)
{
	printk(KERN_INFO "%s, %s\n", DRV_DESCRIPTION, DRV_VERSION);
	printk(KERN_INFO "%s\n", DRV_COPYRIGHT);

	return InterfaceInitialize();
}


static void bcm_exit(void)
{
	InterfaceExit();
}

module_init(bcm_init);
module_exit(bcm_exit);

MODULE_DESCRIPTION(DRV_DESCRIPTION);
MODULE_VERSION(DRV_VERSION);
MODULE_LICENSE ("GPL");