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