rt_linux.h

Linux下的RT系列无线网卡驱动,可以直接在x86平台上编译

//Patch for ASIC turst read/write bug, needs to remove after metel fix
#define RTMP_IO_READ32(_A, _R, _pV)								\
{																\
	(*_pV = readl((void *)((_A)->CSRBaseAddress + MAC_CSR0)));			\
	(*_pV = SWAP32(readl((void *)((_A)->CSRBaseAddress + (_R)))));					\
}
#define RTMP_IO_READ8(_A, _R, _pV)								\
{																\
	(*_pV = readl((void *)((_A)->CSRBaseAddress + MAC_CSR0)));			\
	(*_pV = readb((void *)((_A)->CSRBaseAddress + (_R))));				\
}
#define RTMP_IO_WRITE32(_A, _R, _V)												\
{																				\
	UINT	Val;																\
	Val = readl((void *)((_A)->CSRBaseAddress + MAC_CSR0));			\
	writel(SWAP32(_V), (void *)((_A)->CSRBaseAddress + (_R)));								\
}
#define RTMP_IO_WRITE8(_A, _R, _V)												\
{																				\
	UINT	Val;																\
	Val = readl((void *)((_A)->CSRBaseAddress + MAC_CSR0));			\
	writeb((_V), (PUCHAR)((_A)->CSRBaseAddress + (_R)));		\
}
#define RTMP_IO_WRITE16(_A, _R, _V)												\
{																				\
	UINT	Val;																\
	Val = readl((void *)((_A)->CSRBaseAddress + MAC_CSR0));			\
	writew(SWAP16((_V)), (PUSHORT)((_A)->CSRBaseAddress + (_R)));	\
}
#else
//Patch for ASIC turst read/write bug, needs to remove after metel fix
#define RTMP_IO_READ32(_A, _R, _pV)								\
{																\
	(*_pV = readl((void *)((_A)->CSRBaseAddress + MAC_CSR0)));			\
	(*_pV = readl((void *)((_A)->CSRBaseAddress + (_R))));					\
}
#define RTMP_IO_READ8(_A, _R, _pV)								\
{																\
	(*_pV = readl((void *)((_A)->CSRBaseAddress + MAC_CSR0)));			\
	(*_pV = readb((void *)((_A)->CSRBaseAddress + (_R))));				\
}
#define RTMP_IO_WRITE32(_A, _R, _V)												\
{																				\
	UINT	Val;																\
	Val = readl((void *)((_A)->CSRBaseAddress + MAC_CSR0));			\
	writel(_V, (void *)((_A)->CSRBaseAddress + (_R)));								\
}
#define RTMP_IO_WRITE8(_A, _R, _V)												\
{																				\
	UINT	Val;																\
	Val = readl((void *)((_A)->CSRBaseAddress + MAC_CSR0));			\
	writeb((_V), (PUCHAR)((_A)->CSRBaseAddress + (_R)));		\
}
#define RTMP_IO_WRITE16(_A, _R, _V)												\
{																				\
	UINT	Val;																\
	Val = readl((void *)((_A)->CSRBaseAddress + MAC_CSR0));			\
	writew((_V), (PUSHORT)((_A)->CSRBaseAddress + (_R)));	\
}
#endif
#else
//Patch for ASIC turst read/write bug, needs to remove after metel fix
#define RTMP_IO_READ32(_A, _R, _pV)								\
{																\
}
#define RTMP_IO_READ8(_A, _R, _pV)								\
{																\
}
#define RTMP_IO_WRITE32(_A, _R, _V)												\
{																				\
	printk("_V = %x\n", _V);													\
}
#define RTMP_IO_WRITE8(_A, _R, _V)												\
{																				\
	printk("_V = %x\n", _V);													\
}
#define RTMP_IO_WRITE16(_A, _R, _V)												\
{																				\
}
#endif 


typedef void (*TIMER_FUNCTION)(unsigned long);


#define RTMP_IndicateMediaState()
#define COPY_MAC_ADDR(Addr1, Addr2)             memcpy((Addr1), (Addr2), MAC_ADDR_LEN)

#define MlmeAllocateMemory(_pAd, _ppVA) os_alloc_mem(_pAd, _ppVA, MGMT_DMA_BUFFER_SIZE)
#define MlmeFreeMemory(_pAd, _pVA)     os_free_mem(_pAd, _pVA)

#define BUILD_TIMER_FUNCTION(_func)												\
void linux_##_func(unsigned long data)											\
{																				\
	PRALINK_TIMER_STRUCT	pTimer = (PRALINK_TIMER_STRUCT) data;				\
																				\
	_func(NULL, (PVOID) pTimer->cookie, NULL, NULL); 							\
	if (pTimer->Repeat)															\
		RTMP_OS_Add_Timer(&pTimer->TimerObj, pTimer->TimerValue);				\
}

#define DECLARE_TIMER_FUNCTION(_func)			\
void linux_##_func(unsigned long data)			

#define GET_TIMER_FUNCTION(_func)				\
		linux_##_func							

DECLARE_TIMER_FUNCTION(MlmePeriodicExec);
DECLARE_TIMER_FUNCTION(MlmeRssiReportExec);
DECLARE_TIMER_FUNCTION(AsicRxAntEvalTimeout);
DECLARE_TIMER_FUNCTION(APSDPeriodicExec);
DECLARE_TIMER_FUNCTION(AsicRfTuningExec);


#ifdef CONFIG_STA_SUPPORT
DECLARE_TIMER_FUNCTION(BeaconTimeout);
DECLARE_TIMER_FUNCTION(ScanTimeout);
DECLARE_TIMER_FUNCTION(AuthTimeout);
DECLARE_TIMER_FUNCTION(AssocTimeout);
DECLARE_TIMER_FUNCTION(ReassocTimeout);
DECLARE_TIMER_FUNCTION(DisassocTimeout);
DECLARE_TIMER_FUNCTION(LinkDownExec);
#ifdef LEAP_SUPPORT
DECLARE_TIMER_FUNCTION(LeapAuthTimeout);
#endif
DECLARE_TIMER_FUNCTION(StaQuickResponeForRateUpExec);
DECLARE_TIMER_FUNCTION(WpaDisassocApAndBlockAssoc);
#endif // CONFIG_STA_SUPPORT //

void RTMP_GetCurrentSystemTime(LARGE_INTEGER *time);


/*
 * packet helper 
 * 	- convert internal rt packet to os packet or 
 *             os packet to rt packet
 */      
#define RTPKT_TO_OSPKT(_p)		((struct sk_buff *)(_p))
#define OSPKT_TO_RTPKT(_p)		((PNDIS_PACKET)(_p))

#define GET_OS_PKT_DATAPTR(_pkt) \
		(RTPKT_TO_OSPKT(_pkt)->data)

#define GET_OS_PKT_LEN(_pkt) \
		(RTPKT_TO_OSPKT(_pkt)->len)

#define GET_OS_PKT_TYPE(_pkt) \
		(RTPKT_TO_OSPKT(_pkt))

#define GET_OS_PKT_NEXT(_pkt) \
		(RTPKT_TO_OSPKT(_pkt)->next)

#define OS_NTOHS(_Val) \
		(ntohs(_Val))
#define OS_HTONS(_Val) \
		(htons(_Val))
#define OS_NTOHL(_Val) \
		(ntohl(_Val))
#define OS_HTONL(_Val) \
		(htonl(_Val))

/* statistics counter */
#define STATS_INC_RX_PACKETS(_pAd, _dev)
#define STATS_INC_TX_PACKETS(_pAd, _dev)

#define STATS_INC_RX_BYTESS(_pAd, _dev, len)
#define STATS_INC_TX_BYTESS(_pAd, _dev, len)

#define STATS_INC_RX_ERRORS(_pAd, _dev)
#define STATS_INC_TX_ERRORS(_pAd, _dev)

#define STATS_INC_RX_DROPPED(_pAd, _dev)
#define STATS_INC_TX_DROPPED(_pAd, _dev)


#define CB_OFF  10


//   check DDK NDIS_PACKET data structure and find out only MiniportReservedEx[0..7] can be used by our driver without
//   ambiguity. Fields after pPacket->MiniportReservedEx[8] may be used by other wrapper layer thus crashes the driver
//
//#define RTMP_GET_PACKET_MR(_p)			(RTPKT_TO_OSPKT(_p))

// User Priority
#define RTMP_SET_PACKET_UP(_p, _prio)			(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+0] = _prio)
#define RTMP_GET_PACKET_UP(_p)					(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+0])

// Fragment #
#define RTMP_SET_PACKET_FRAGMENTS(_p, _num)		(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+1] = _num)   
#define RTMP_GET_PACKET_FRAGMENTS(_p)			(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+1])

// 0x0 ~0x7f: TX to AP's own BSS which has the specified AID. if AID>127, set bit 7 in RTMP_SET_PACKET_EMACTAB too. 
//(this value also as MAC(on-chip WCID) table index)
// 0x80~0xff: TX to a WDS link. b0~6: WDS index
#define RTMP_SET_PACKET_WCID(_p, _wdsidx)		(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+2] = _wdsidx)
#define RTMP_GET_PACKET_WCID(_p)          		((UCHAR)(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+2]))

// 0xff: PKTSRC_NDIS, others: local TX buffer index. This value affects how to a packet
#define RTMP_SET_PACKET_SOURCE(_p, _pktsrc)		(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+3] = _pktsrc)
#define RTMP_GET_PACKET_SOURCE(_p)       		(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+3])  

// RTS/CTS-to-self protection method
#define RTMP_SET_PACKET_RTS(_p, _num)      		(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+4] = _num)
#define RTMP_GET_PACKET_RTS(_p)          		(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+4])  
// see RTMP_S(G)ET_PACKET_EMACTAB

// TX rate index
#define RTMP_SET_PACKET_TXRATE(_p, _rate)		(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+5] = _rate)
#define RTMP_GET_PACKET_TXRATE(_p)		  		(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+5])

// From which Interface 
#define RTMP_SET_PACKET_IF(_p, _ifdx)		(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+6] = _ifdx)
#define RTMP_GET_PACKET_IF(_p)		  		(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+6])
#define RTMP_SET_PACKET_NET_DEVICE_MBSSID(_p, _bss)		RTMP_SET_PACKET_IF((_p), (_bss))
#define RTMP_SET_PACKET_NET_DEVICE_WDS(_p, _bss)		RTMP_SET_PACKET_IF((_p), ((_bss) + MIN_NET_DEVICE_FOR_WDS))
#define RTMP_SET_PACKET_NET_DEVICE_APCLI(_p, _idx)   	RTMP_SET_PACKET_IF((_p), ((_idx) + MIN_NET_DEVICE_FOR_APCLI))
#define RTMP_GET_PACKET_NET_DEVICE_MBSSID(_p)			RTMP_GET_PACKET_IF((_p))
#define RTMP_GET_PACKET_NET_DEVICE(_p)					RTMP_GET_PACKET_IF((_p))

#define RTMP_SET_PACKET_MOREDATA(_p, _morebit)		(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+7] = _morebit)
#define RTMP_GET_PACKET_MOREDATA(_p)				(RTPKT_TO_OSPKT(_p)->cb[CB_OFF+7])

//#define RTMP_SET_PACKET_NET_DEVICE_MBSSID(_p, _bss)	(RTPKT_TO_OSPKT(_p)->cb[8] = _bss)
//#define RTMP_GET_PACKET_NET_DEVICE_MBSSID(_p)		(RTPKT_TO_OSPKT(_p)->cb[8])



#define RTMP_SET_PACKET_DHCP(_p, _flg)   (RTPKT_TO_OSPKT(_p)->cb[CB_OFF+11] = _flg)
#define RTMP_GET_PACKET_DHCP(_p)         (RTPKT_TO_OSPKT(_p)->cb[CB_OFF+11])

// This frame is WPA four-way handshaking message 
#define RTMP_SET_PACKET_WPA_4WAY_MSG(_p, _flg)   (RTPKT_TO_OSPKT(_p)->cb[CB_OFF+12] = _flg)
#define RTMP_GET_PACKET_WPA_4WAY_MSG(_p)         (RTPKT_TO_OSPKT(_p)->cb[CB_OFF+12])

#define RTMP_SET_PACKET_5VT(_p, _flg)   (RTPKT_TO_OSPKT(_p)->cb[CB_OFF+22] = _flg)
#define RTMP_GET_PACKET_5VT(_p)         (RTPKT_TO_OSPKT(_p)->cb[CB_OFF+22])

#ifdef CONFIG_5VT_ENHANCE
#define BRIDGE_TAG 0x35564252    // depends on 5VT define in br_input.c
#endif


#define NDIS_SET_PACKET_STATUS(_p, _status)


#define GET_SG_LIST_FROM_PACKET(_p, _sc)	\
    rt_get_sg_list_from_packet(_p, _sc)


#define NdisMoveMemory(Destination, Source, Length) memmove(Destination, Source, Length)
#define NdisZeroMemory(Destination, Length)         memset(Destination, 0, Length)
#define NdisFillMemory(Destination, Length, Fill)   memset(Destination, Fill, Length)
#define NdisEqualMemory(Source1, Source2, Length)   (!memcmp(Source1, Source2, Length))
#define RTMPEqualMemory(Source1, Source2, Length)	(!memcmp(Source1, Source2, Length))							


#define RTMP_INC_REF(_A)		0
#define RTMP_DEC_REF(_A)		0
#define RTMP_GET_REF(_A)		0



/*
 * ULONG
 * RTMP_GetPhysicalAddressLow(
 *   IN NDIS_PHYSICAL_ADDRESS  PhysicalAddress);
 */
#define RTMP_GetPhysicalAddressLow(PhysicalAddress)		(PhysicalAddress)

/*
 * ULONG
 * RTMP_GetPhysicalAddressHigh(
 *   IN NDIS_PHYSICAL_ADDRESS  PhysicalAddress);
 */
#define RTMP_GetPhysicalAddressHigh(PhysicalAddress)		(0)

/*
 * VOID
 * RTMP_SetPhysicalAddressLow(
 *   IN NDIS_PHYSICAL_ADDRESS  PhysicalAddress,
 *   IN ULONG  Value);
 */
#define RTMP_SetPhysicalAddressLow(PhysicalAddress, Value)	\
			PhysicalAddress = Value;

/*
 * VOID
 * RTMP_SetPhysicalAddressHigh(
 *   IN NDIS_PHYSICAL_ADDRESS  PhysicalAddress,
 *   IN ULONG  Value);
 */
#define RTMP_SetPhysicalAddressHigh(PhysicalAddress, Value)


//CONTAINING_RECORD(pEntry, NDIS_PACKET, MiniportReservedEx);
#define QUEUE_ENTRY_TO_PACKET(pEntry) \
	(PNDIS_PACKET)(pEntry)

#define PACKET_TO_QUEUE_ENTRY(pPacket) \
	(PQUEUE_ENTRY)(pPacket)


#ifndef CONTAINING_RECORD
#define CONTAINING_RECORD(address, type, field)			\
((type *)((PCHAR)(address) - offsetof(type, field)))
#endif


#define RELEASE_NDIS_PACKET(_pAd, _pPacket, _Status)                    \
{                                                                       \
    if (RTMP_GET_PACKET_SOURCE(_pPacket) == PKTSRC_NDIS)                \
    {                                                                   \
		RTMPFreeNdisPacket(_pAd, _pPacket);                             \
        _pAd->RalinkCounters.PendingNdisPacketCount --;                 \
    }                                                                   \
    else                                                                \
        RTMPFreeNdisPacket(_pAd, _pPacket);                             \
}


#define SWITCH_PhyAB(_pAA, _pBB)    \
{                                                                           \
    ULONG	AABasePaHigh;                           \
    ULONG	AABasePaLow;                           \
    ULONG	BBBasePaHigh;                           \
    ULONG	BBBasePaLow;                           \
    BBBasePaHigh = RTMP_GetPhysicalAddressHigh(_pBB);                                                 \
    BBBasePaLow = RTMP_GetPhysicalAddressLow(_pBB);                                                 \
    AABasePaHigh = RTMP_GetPhysicalAddressHigh(_pAA);                                                 \
    AABasePaLow = RTMP_GetPhysicalAddressLow(_pAA);                                                 \
    RTMP_SetPhysicalAddressHigh(_pAA, BBBasePaHigh);                                                 \
    RTMP_SetPhysicalAddressLow(_pAA, BBBasePaLow);                                                 \
    RTMP_SetPhysicalAddressHigh(_pBB, AABasePaHigh);                                                 \
    RTMP_SetPhysicalAddressLow(_pBB, AABasePaLow);                                                 \
}


#define NdisWriteErrorLogEntry(_a, _b, _c, _d)
#define NdisMAllocateMapRegisters(_a, _b, _c, _d, _e)		NDIS_STATUS_SUCCESS


#define NdisAcquireSpinLock		RTMP_SEM_LOCK
#define NdisReleaseSpinLock		RTMP_SEM_UNLOCK

static inline void NdisGetSystemUpTime(ULONG *time)
{
	*time = jiffies;
}

//pPacket = CONTAINING_RECORD(pEntry, NDIS_PACKET, MiniportReservedEx);
#define QUEUE_ENTRY_TO_PKT(pEntry) \
		((PNDIS_PACKET) (pEntry))

int rt2860_packet_xmit(struct sk_buff *skb);