#include "headers.h"
static INT bcm_notify_event(struct notifier_block *nb, ULONG event, PVOID dev)
{
struct net_device *ndev = (struct net_device*)dev;
PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
//PMINI_ADAPTER Adapter = (PMINI_ADAPTER)ndev->priv;
if(strncmp(ndev->name,gblpnetdev->name,5)==0)
{
switch(event)
{
case NETDEV_CHANGEADDR:
case NETDEV_GOING_DOWN:
/*ignore this */
break;
case NETDEV_DOWN:
break;
case NETDEV_UP:
break;
case NETDEV_REGISTER:
/* Increment the Reference Count for "veth0" */
BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Register RefCount: %x\n",
atomic_read(&ndev->refcnt));
atomic_inc(&ndev->refcnt);
break;
case NETDEV_UNREGISTER:
/* Decrement the Reference Count for "veth0" */
BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Unregister RefCnt: %x\n",
atomic_read(&ndev->refcnt));
atomic_dec(&ndev->refcnt);
if((int)atomic_read(&ndev->refcnt) < 0)
atomic_set(&ndev->refcnt, 0);
break;
};
}
return NOTIFY_DONE;
}
/* Notifier block to receive netdevice events */
static struct notifier_block bcm_notifier_block =
{
.notifier_call = bcm_notify_event,
};
struct net_device *gblpnetdev;
/***************************************************************************************/
/* proto-type of lower function */
#ifdef BCM_SHM_INTERFACE
const char *bcmVirtDeviceName="bcmeth";
#endif
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)
{
PLINUX_DEP_DATA pLinuxData=NULL;
PMINI_ADAPTER Adapter = NULL ;// gpadapter ;
Adapter = GET_BCM_ADAPTER(dev);
pLinuxData = (PLINUX_DEP_DATA)(Adapter->pvOsDepData);
//BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Dev = %p, pLinuxData = %p", dev, pLinuxData);
pLinuxData->netstats.rx_packets=atomic_read(&Adapter->RxRollOverCount)*64*1024+Adapter->PrevNumRecvDescs;
pLinuxData->netstats.rx_bytes=atomic_read(&Adapter->GoodRxByteCount)+atomic_read(&Adapter->BadRxByteCount);
pLinuxData->netstats.rx_dropped=atomic_read(&Adapter->RxPacketDroppedCount);
pLinuxData->netstats.rx_errors=atomic_read(&Adapter->RxPacketDroppedCount);
pLinuxData->netstats.rx_length_errors=0;
pLinuxData->netstats.rx_frame_errors=0;
pLinuxData->netstats.rx_crc_errors=0;
pLinuxData->netstats.tx_bytes=atomic_read(&Adapter->GoodTxByteCount);
pLinuxData->netstats.tx_packets=atomic_read(&Adapter->TxTotalPacketCount);
pLinuxData->netstats.tx_dropped=atomic_read(&Adapter->TxDroppedPacketCount);
return &(pLinuxData->netstats);
}
/**
@ingroup init_functions
Register other driver entry points with the kernel
*/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)
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)
int *temp = NULL ;
#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 = (UINT)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
#ifndef BCM_SHM_INTERFACE
Adapter->dev->mtu = MTU_SIZE; /* 1400 Bytes */
/* Read the MAC Address from EEPROM */
ReadMacAddressFromNVM(Adapter);
/* Register the notifier block for getting netdevice events */
BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Registering netdevice notifier\n");
result = register_netdevice_notifier(&bcm_notifier_block);
if(result)
{
BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "BCM Notifier Block did not get registered");
Adapter->bNetdeviceNotifierRegistered = FALSE;
return result;
}
else
{
BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "BCM Notifier got Registered");
Adapter->bNetdeviceNotifierRegistered = TRUE;
}
#else
Adapter->dev->mtu = CPE_MTU_SIZE;
#if 0
//for CPE - harcode the virtual mac address
Adapter->dev->dev_addr[0] = MII_WIMAX_MACADDRESS[0];
Adapter->dev->dev_addr[1] = MII_WIMAX_MACADDRESS[1];
Adapter->dev->dev_addr[2] = MII_WIMAX_MACADDRESS[2];
Adapter->dev->dev_addr[3] = MII_WIMAX_MACADDRESS[3];
Adapter->dev->dev_addr[4] = MII_WIMAX_MACADDRESS[4];
Adapter->dev->dev_addr[5] = MII_WIMAX_MACADDRESS[5];
#else
ReadMacAddressFromNVM(Adapter);
#endif
strcpy(Adapter->dev->name, bcmVirtDeviceName); //Copy the device name
#endif
result = register_netdev(Adapter->dev);
if (!result)
{
Adapter->bNetworkInterfaceRegistered = TRUE ;
BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Beceem Network device name is %s!", Adapter->dev->name);
}
else
{
BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Network device can not be registered!");
Adapter->bNetworkInterfaceRegistered = FALSE ;
return result;
}
#if 0
Adapter->stDebugState.debug_level = DBG_LVL_CURR;
Adapter->stDebugState.type =(UINT)0xffffffff;
Adapter->stDebugState.subtype[DBG_TYPE_OTHERS] = 0xffffffff;
Adapter->stDebugState.subtype[DBG_TYPE_RX] = 0xffffffff;
Adapter->stDebugState.subtype[DBG_TYPE_TX] = 0xffffffff;
Adapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xffffffff;
printk("-------ps_adapter->stDebugState.type=%x\n",Adapter->stDebugState.type);
printk("-------ps_adapter->stDebugState.subtype[DBG_TYPE_OTHERS]=%x\n",Adapter->stDebugState.subtype[DBG_TYPE_OTHERS]);
printk("-------ps_adapter->stDebugState.subtype[DBG_TYPE_RX]=%x\n",Adapter->stDebugState.subtype[DBG_TYPE_RX]);
printk("-------ps_adapter->stDebugState.subtype[DBG_TYPE_TX]=%x\n",Adapter->stDebugState.subtype[DBG_TYPE_TX]);
#endif
return 0;
}
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 && !IS_ERR(Adapter->dev) && Adapter->bNetworkInterfaceRegistered)
unregister_netdev(Adapter->dev);
/* Unregister the notifier block */
if(Adapter->bNetdeviceNotifierRegistered == TRUE)
{
BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Unregistering netdevice notifier\n");
unregister_netdevice_notifier(&bcm_notifier_block);
}
}
static int bcm_init(void)
{
int result;
result = InterfaceInitialize();
if(result)
{
printk("Initialisation failed for usbbcm");
}
else
{
printk("Initialised usbbcm");
}
return result;
}
static void bcm_exit(void)
{
printk("%s %s Calling InterfaceExit\n",__FILE__, __FUNCTION__);
InterfaceExit();
printk("%s %s InterfaceExit returned\n",__FILE__, __FUNCTION__);
}
module_init(bcm_init);
module_exit(bcm_exit);
MODULE_LICENSE ("GPL");
