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//============================================================================
// Copyright (c) 1996-2005 Winbond Electronic Corporation
//
// Module Name:
// wblinux.c
//
// Abstract:
// Linux releated routines
//
//============================================================================
#include "os_common.h"
u32
WBLINUX_MemoryAlloc(void* *VirtualAddress, u32 Length)
{
*VirtualAddress = kzalloc( Length, GFP_ATOMIC ); //GFP_KERNEL is not suitable
if (*VirtualAddress == NULL)
return 0;
return 1;
}
s32
EncapAtomicInc(PADAPTER Adapter, void* pAtomic)
{
PWBLINUX pWbLinux = &Adapter->WbLinux;
u32 ltmp;
PULONG pltmp = (PULONG)pAtomic;
OS_SPIN_LOCK_ACQUIRED( &pWbLinux->AtomicSpinLock );
(*pltmp)++;
ltmp = (*pltmp);
OS_SPIN_LOCK_RELEASED( &pWbLinux->AtomicSpinLock );
return ltmp;
}
s32
EncapAtomicDec(PADAPTER Adapter, void* pAtomic)
{
PWBLINUX pWbLinux = &Adapter->WbLinux;
u32 ltmp;
PULONG pltmp = (PULONG)pAtomic;
OS_SPIN_LOCK_ACQUIRED( &pWbLinux->AtomicSpinLock );
(*pltmp)--;
ltmp = (*pltmp);
OS_SPIN_LOCK_RELEASED( &pWbLinux->AtomicSpinLock );
return ltmp;
}
unsigned char
WBLINUX_Initial(PADAPTER Adapter)
{
PWBLINUX pWbLinux = &Adapter->WbLinux;
OS_SPIN_LOCK_ALLOCATE( &pWbLinux->SpinLock );
OS_SPIN_LOCK_ALLOCATE( &pWbLinux->AtomicSpinLock );
return TRUE;
}
void
WBLinux_ReceivePacket(PADAPTER Adapter, PRXLAYER1 pRxLayer1)
{
BUG();
}
void
WBLINUX_GetNextPacket(PADAPTER Adapter, PDESCRIPTOR pDes)
{
BUG();
}
void
WBLINUX_GetNextPacketCompleted(PADAPTER Adapter, PDESCRIPTOR pDes)
{
BUG();
}
void
WBLINUX_Destroy(PADAPTER Adapter)
{
WBLINUX_stop( Adapter );
OS_SPIN_LOCK_FREE( &pWbNdis->SpinLock );
#ifdef _PE_USB_INI_DUMP_
WBDEBUG(("[w35und] unregister_netdev!\n"));
#endif
}
void
WBLINUX_stop( PADAPTER Adapter )
{
PWBLINUX pWbLinux = &Adapter->WbLinux;
struct sk_buff *pSkb;
if (OS_ATOMIC_INC( Adapter, &pWbLinux->ThreadCount ) == 1) {
// Shutdown module immediately
pWbLinux->shutdown = 1;
while (pWbLinux->skb_array[ pWbLinux->skb_GetIndex ]) {
// Trying to free the un-sending packet
pSkb = pWbLinux->skb_array[ pWbLinux->skb_GetIndex ];
pWbLinux->skb_array[ pWbLinux->skb_GetIndex ] = NULL;
if( in_irq() )
dev_kfree_skb_irq( pSkb );
else
dev_kfree_skb( pSkb );
pWbLinux->skb_GetIndex++;
pWbLinux->skb_GetIndex %= WBLINUX_PACKET_ARRAY_SIZE;
}
#ifdef _PE_STATE_DUMP_
WBDEBUG(( "[w35und] SKB_RELEASE OK\n" ));
#endif
}
OS_ATOMIC_DEC( Adapter, &pWbLinux->ThreadCount );
}
void
WbWlanHalt( PADAPTER Adapter )
{
//---------------------
Adapter->sLocalPara.ShutDowned = TRUE;
Mds_Destroy( Adapter );
// Turn off Rx and Tx hardware ability
hal_stop( &Adapter->sHwData );
#ifdef _PE_USB_INI_DUMP_
WBDEBUG(("[w35und] Hal_stop O.K.\n"));
#endif
OS_SLEEP(100000);// Waiting Irp completed
// Destroy the NDIS module
WBLINUX_Destroy( Adapter );
// Halt the HAL
hal_halt(&Adapter->sHwData, NULL);
}
unsigned char
WbWLanInitialize(PADAPTER Adapter)
{
phw_data_t pHwData;
PUCHAR pMacAddr, pMacAddr2;
u32 InitStep = 0;
u8 EEPROM_region;
u8 HwRadioOff;
do {
//
// Setting default value for Linux
//
Adapter->sLocalPara.region_INF = REGION_AUTO;
Adapter->sLocalPara.TxRateMode = RATE_AUTO;
psLOCAL->bMacOperationMode = MODE_802_11_BG; // B/G mode
Adapter->Mds.TxRTSThreshold = DEFAULT_RTSThreshold;
Adapter->Mds.TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;
hal_set_phy_type( &Adapter->sHwData, RF_WB_242_1 );
Adapter->sLocalPara.MTUsize = MAX_ETHERNET_PACKET_SIZE;
psLOCAL->bPreambleMode = AUTO_MODE;
Adapter->sLocalPara.RadioOffStatus.boSwRadioOff = FALSE;
pHwData = &Adapter->sHwData;
hal_set_phy_type( pHwData, RF_DECIDE_BY_INF );
//
// Initial each module and variable
//
if (!WBLINUX_Initial(Adapter)) {
#ifdef _PE_USB_INI_DUMP_
WBDEBUG(("[w35und]WBNDIS initialization failed\n"));
#endif
break;
}
// Initial Software variable
Adapter->sLocalPara.ShutDowned = FALSE;
//added by ws for wep key error detection
Adapter->sLocalPara.bWepKeyError= FALSE;
Adapter->sLocalPara.bToSelfPacketReceived = FALSE;
Adapter->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds
// Initial USB hal
InitStep = 1;
pHwData = &Adapter->sHwData;
if (!hal_init_hardware(pHwData, Adapter))
break;
EEPROM_region = hal_get_region_from_EEPROM( pHwData );
if (EEPROM_region != REGION_AUTO)
psLOCAL->region = EEPROM_region;
else {
if (psLOCAL->region_INF != REGION_AUTO)
psLOCAL->region = psLOCAL->region_INF;
else
psLOCAL->region = REGION_USA; //default setting
}
// Get Software setting flag from hal
Adapter->sLocalPara.boAntennaDiversity = FALSE;
if (hal_software_set(pHwData) & 0x00000001)
Adapter->sLocalPara.boAntennaDiversity = TRUE;
//
// For TS module
//
InitStep = 2;
// For MDS module
InitStep = 3;
Mds_initial(Adapter);
//=======================================
// Initialize the SME, SCAN, MLME, ROAM
//=======================================
InitStep = 4;
InitStep = 5;
InitStep = 6;
// If no user-defined address in the registry, use the addresss "burned" on the NIC instead.
pMacAddr = Adapter->sLocalPara.ThisMacAddress;
pMacAddr2 = Adapter->sLocalPara.PermanentAddress;
hal_get_permanent_address( pHwData, Adapter->sLocalPara.PermanentAddress );// Reading ethernet address from EEPROM
if (OS_MEMORY_COMPARE(pMacAddr, "\x00\x00\x00\x00\x00\x00", MAC_ADDR_LENGTH )) // Is equal
{
memcpy( pMacAddr, pMacAddr2, MAC_ADDR_LENGTH );
} else {
// Set the user define MAC address
hal_set_ethernet_address( pHwData, Adapter->sLocalPara.ThisMacAddress );
}
//get current antenna
psLOCAL->bAntennaNo = hal_get_antenna_number(pHwData);
#ifdef _PE_STATE_DUMP_
WBDEBUG(("Driver init, antenna no = %d\n", psLOCAL->bAntennaNo));
#endif
hal_get_hw_radio_off( pHwData );
// Waiting for HAL setting OK
while (!hal_idle(pHwData))
OS_SLEEP(10000);
MTO_Init(Adapter);
HwRadioOff = hal_get_hw_radio_off( pHwData );
psLOCAL->RadioOffStatus.boHwRadioOff = !!HwRadioOff;
hal_set_radio_mode( pHwData, (unsigned char)(psLOCAL->RadioOffStatus.boSwRadioOff || psLOCAL->RadioOffStatus.boHwRadioOff) );
hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now.
//set a tx power for reference.....
// sme_set_tx_power_level(Adapter, 12); FIXME?
return TRUE;
}
while(FALSE);
switch (InitStep) {
case 5:
case 4:
case 3: Mds_Destroy( Adapter );
case 2:
case 1: WBLINUX_Destroy( Adapter );
hal_halt( pHwData, NULL );
case 0: break;
}
return FALSE;
}
void WBLINUX_ConnectStatus(PADAPTER Adapter, u32 flag)
{
PWBLINUX pWbLinux = &Adapter->WbLinux;
pWbLinux->LinkStatus = flag; // OS_DISCONNECTED or OS_CONNECTED
}