diff options
Diffstat (limited to 'drivers/staging/bcm/Bcmnet.c')
| -rw-r--r-- | drivers/staging/bcm/Bcmnet.c | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/drivers/staging/bcm/Bcmnet.c b/drivers/staging/bcm/Bcmnet.c new file mode 100644 index 000000000000..bc2969821421 --- /dev/null +++ b/drivers/staging/bcm/Bcmnet.c @@ -0,0 +1,264 @@ +#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", + netdev_refcnt_read(ndev)); + dev_hold(ndev); + 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", + netdev_refcnt_read(ndev)); + dev_put(ndev); + 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) +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 + +#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"); + + |