rtmp.h

Linux下的RT系列无线网卡驱动,可以直接在x86平台上编译

                    case 5785000:    ch = 157; /* UNII */  break;     \
                    case 5805000:    ch = 161; /* UNII */  break;     \
                    case 5825000:    ch = 165; /* UNII */  break;     \
                    case 5500000:    ch = 100; /* HiperLAN2 */  break;     \
                    case 5520000:    ch = 104; /* HiperLAN2 */  break;     \
                    case 5540000:    ch = 108; /* HiperLAN2 */  break;     \
                    case 5560000:    ch = 112; /* HiperLAN2 */  break;     \
                    case 5580000:    ch = 116; /* HiperLAN2 */  break;     \
                    case 5600000:    ch = 120; /* HiperLAN2 */  break;     \
                    case 5620000:    ch = 124; /* HiperLAN2 */  break;     \
                    case 5640000:    ch = 128; /* HiperLAN2 */  break;     \
                    case 5660000:    ch = 132; /* HiperLAN2 */  break;     \
                    case 5680000:    ch = 136; /* HiperLAN2 */  break;     \
                    case 5700000:    ch = 140; /* HiperLAN2 */  break;     \
                    case 5170000:    ch = 34;  /* Japan MMAC */   break;   \
                    case 5190000:    ch = 38;  /* Japan MMAC */   break;   \
                    case 5210000:    ch = 42;  /* Japan MMAC */   break;   \
                    case 5230000:    ch = 46;  /* Japan MMAC */   break;   \
                    case 4920000:    ch = 184; /* Japan */  break;   \
                    case 4940000:    ch = 188; /* Japan */  break;   \
                    case 4960000:    ch = 192; /* Japan */  break;   \
                    case 4980000:    ch = 196; /* Japan */  break;   \
                    case 5040000:    ch = 208; /* Japan, means J08 */  break;   \
                    case 5060000:    ch = 212; /* Japan, means J12 */  break;   \
                    case 5080000:    ch = 216; /* Japan, means J16 */  break;   \
                    default:         ch = 1;     break;     \
                }                                           \
            }

//
// Common fragment list structure -  Identical to the scatter gather frag list structure
//
//#define RTMP_SCATTER_GATHER_ELEMENT         SCATTER_GATHER_ELEMENT 
//#define PRTMP_SCATTER_GATHER_ELEMENT        PSCATTER_GATHER_ELEMENT 
#define NIC_MAX_PHYS_BUF_COUNT              8

typedef struct _RTMP_SCATTER_GATHER_ELEMENT {
    PVOID		Address;
    ULONG		Length;
    PULONG		Reserved;
} RTMP_SCATTER_GATHER_ELEMENT, *PRTMP_SCATTER_GATHER_ELEMENT;


typedef struct _RTMP_SCATTER_GATHER_LIST {
    ULONG  NumberOfElements;
    PULONG Reserved;
    RTMP_SCATTER_GATHER_ELEMENT Elements[NIC_MAX_PHYS_BUF_COUNT];
} RTMP_SCATTER_GATHER_LIST, *PRTMP_SCATTER_GATHER_LIST;

//
//  Some utility macros
//
#ifndef min
#define min(_a, _b)     (((_a) < (_b)) ? (_a) : (_b))
#endif

#ifndef max
#define max(_a, _b)     (((_a) > (_b)) ? (_a) : (_b))
#endif

#define GET_LNA_GAIN(_pAd)	((_pAd->LatchRfRegs.Channel <= 14) ? (_pAd->BLNAGain) : ((_pAd->LatchRfRegs.Channel <= 64) ? (_pAd->ALNAGain0) : ((_pAd->LatchRfRegs.Channel <= 128) ? (_pAd->ALNAGain1) : (_pAd->ALNAGain2))))

#define INC_COUNTER64(Val)          (Val.QuadPart++)

#define INFRA_ON(_p)                (OPSTATUS_TEST_FLAG(_p, fOP_STATUS_INFRA_ON))
#define ADHOC_ON(_p)                (OPSTATUS_TEST_FLAG(_p, fOP_STATUS_ADHOC_ON))
#define MONITOR_ON(_p)              (((_p)->StaCfg.BssType) == BSS_MONITOR)

// Check LEAP & CCKM flags
#define LEAP_ON(_p)                 (((_p)->StaCfg.LeapAuthMode) == CISCO_AuthModeLEAP)
#define LEAP_CCKM_ON(_p)            ((((_p)->StaCfg.LeapAuthMode) == CISCO_AuthModeLEAP) && ((_p)->StaCfg.LeapAuthInfo.CCKM == TRUE))
																				 
// if orginal Ethernet frame contains no LLC/SNAP, then an extra LLC/SNAP encap is required 
#define EXTRA_LLCSNAP_ENCAP(_pBufVA, _pExtraLlcSnapEncap)		\
{																\
	if (((*(_pBufVA + 12) << 8) + *(_pBufVA + 13)) > 1500)		\
	{															\
		_pExtraLlcSnapEncap = SNAP_802_1H;						\
		if (NdisEqualMemory(IPX, _pBufVA + 12, 2) || 			\
			NdisEqualMemory(APPLE_TALK, _pBufVA + 12, 2))		\
		{														\
			_pExtraLlcSnapEncap = SNAP_BRIDGE_TUNNEL;			\
		}														\
	}															\
	else														\
	{															\
		_pExtraLlcSnapEncap = NULL;								\
	}															\
}

#define MAKE_802_3_HEADER(_p, _pMac1, _pMac2, _pType)                   \
{                                                                       \
    NdisMoveMemory(_p, _pMac1, MAC_ADDR_LEN);                           \
    NdisMoveMemory((_p + MAC_ADDR_LEN), _pMac2, MAC_ADDR_LEN);          \
    NdisMoveMemory((_p + MAC_ADDR_LEN * 2), _pType, LENGTH_802_3_TYPE); \
}

// if pData has no LLC/SNAP (neither RFC1042 nor Bridge tunnel), keep it that way.
// else if the received frame is LLC/SNAP-encaped IPX or APPLETALK, preserve the LLC/SNAP field 
// else remove the LLC/SNAP field from the result Ethernet frame
// Patch for WHQL only, which did not turn on Netbios but use IPX within its payload
// Note:
//     _pData & _DataSize may be altered (remove 8-byte LLC/SNAP) by this MACRO
//     _pRemovedLLCSNAP: pointer to removed LLC/SNAP; NULL is not removed
#define CONVERT_TO_802_3(_p8023hdr, _pDA, _pSA, _pData, _DataSize, _pRemovedLLCSNAP)      \
{                                                                       \
    char LLC_Len[2];                                                    \
                                                                        \
    _pRemovedLLCSNAP = NULL;                                            \
    if (NdisEqualMemory(SNAP_802_1H, _pData, 6)  ||                     \
        NdisEqualMemory(SNAP_BRIDGE_TUNNEL, _pData, 6))                 \
    {                                                                   \
        PUCHAR pProto = _pData + 6;                                     \
                                                                        \
        if ((NdisEqualMemory(IPX, pProto, 2) || NdisEqualMemory(APPLE_TALK, pProto, 2)) &&  \
            NdisEqualMemory(SNAP_802_1H, _pData, 6))                    \
        {                                                               \
            LLC_Len[0] = (UCHAR)(_DataSize / 256);                      \
            LLC_Len[1] = (UCHAR)(_DataSize % 256);                      \
            MAKE_802_3_HEADER(_p8023hdr, _pDA, _pSA, LLC_Len);          \
        }                                                               \
        else                                                            \
        {                                                               \
            MAKE_802_3_HEADER(_p8023hdr, _pDA, _pSA, pProto);           \
            _pRemovedLLCSNAP = _pData;                                  \
            _DataSize -= LENGTH_802_1_H;                                \
            _pData += LENGTH_802_1_H;                                   \
        }                                                               \
    }                                                                   \
    else                                                                \
    {                                                                   \
        LLC_Len[0] = (UCHAR)(_DataSize / 256);                          \
        LLC_Len[1] = (UCHAR)(_DataSize % 256);                          \
        MAKE_802_3_HEADER(_p8023hdr, _pDA, _pSA, LLC_Len);              \
    }                                                                   \
}

#define SWITCH_AB( _pAA, _pBB)    \
{                                                                           \
    PVOID pCC;                                                          \
    pCC = _pBB;                                                 \
    _pBB = _pAA;                                                 \
    _pAA = pCC;                                                 \
}

// Enqueue this frame to MLME engine
// We need to enqueue the whole frame because MLME need to pass data type
// information from 802.11 header
#define REPORT_MGMT_FRAME_TO_MLME(_pAd, Wcid, _pFrame, _FrameSize, _Rssi0, _Rssi1, _Rssi2, _PlcpSignal)        \
{                                                                                       \
    ULONG High32TSF, Low32TSF;                                                          \
    RTMP_IO_READ32(_pAd, TSF_TIMER_DW1, &High32TSF);                                       \
    RTMP_IO_READ32(_pAd, TSF_TIMER_DW0, &Low32TSF);                                        \
    MlmeEnqueueForRecv(_pAd, Wcid, High32TSF, Low32TSF, (UCHAR)_Rssi0, (UCHAR)_Rssi1,(UCHAR)_Rssi2,_FrameSize, _pFrame, (UCHAR)_PlcpSignal);   \
}

// INFRA mode- Address 1 - AP, Address 2 - this STA, Address 3 - DA
// ADHOC mode- Address 1 - DA, Address 2 - this STA, Address 3 - BSSID

#ifdef CONFIG_STA_SUPPORT
#define MAKE_802_11_HEADER(_pAd, _80211hdr, _pDA)                         \
{                                                                               \
    NdisZeroMemory(&_80211hdr, sizeof(HEADER_802_11));                          \
    if (INFRA_ON(_pAd))                                                         \
    {                                                                           \
        COPY_MAC_ADDR(_80211hdr.Addr1, _pAd->CommonCfg.Bssid);                  \
        COPY_MAC_ADDR(_80211hdr.Addr3, _pDA);                                   \
        _80211hdr.FC.ToDs = 1;                                                  \
    }                                                                           \
    else                                                                        \
    {                                                                           \
        COPY_MAC_ADDR(_80211hdr.Addr1, _pDA);                                   \
        COPY_MAC_ADDR(_80211hdr.Addr3, _pAd->CommonCfg.Bssid);                  \
    }                                                                           \
    COPY_MAC_ADDR(_80211hdr.Addr2, _pAd->CurrentAddress);                       \
    _80211hdr.FC.Type = BTYPE_DATA;                                             \
    if (_pAd->CommonCfg.bAPSDForcePowerSave)									\
    {																			\
    	_80211hdr.FC.PwrMgmt = PWR_SAVE;												\
    }																			\
    else																		\
    {																			\
    	_80211hdr.FC.PwrMgmt = (_pAd->StaCfg.Psm == PWR_SAVE);                  \
    }																			\
}
#endif // CONFIG_STA_SUPPORT //

#define NDIS_QUERY_BUFFER(_NdisBuf, _ppVA, _pBufLen)                    \
    NdisQueryBuffer(_NdisBuf, _ppVA, _pBufLen)
//#endif

#define MAC_ADDR_EQUAL(pAddr1,pAddr2)           RTMPEqualMemory((PVOID)(pAddr1), (PVOID)(pAddr2), MAC_ADDR_LEN)
#define SSID_EQUAL(ssid1, len1, ssid2, len2)    ((len1==len2) && (RTMPEqualMemory(ssid1, ssid2, len1)))

//
// Register set pair for initialzation register set definition
//
typedef struct  _RTMP_REG_PAIR
{
	ULONG   Register;
	ULONG   Value;
} RTMP_REG_PAIR, *PRTMP_REG_PAIR;

typedef struct  _BBP_REG_PAIR
{
	UCHAR   Register;
	UCHAR   Value;
} BBP_REG_PAIR, *PBBP_REG_PAIR;

//
// Register set pair for initialzation register set definition
//
typedef struct  _RTMP_RF_REGS
{
	UCHAR   Channel;
	ULONG   R1;
	ULONG   R2;
	ULONG   R3;
	ULONG   R4;
} RTMP_RF_REGS, *PRTMP_RF_REGS;

//
//  Data buffer for DMA operation, the buffer must be contiguous physical memory
//  Both DMA to / from CPU use the same structure.
//
typedef struct  _RTMP_DMABUF
{
	ULONG                   AllocSize;
	PVOID                   AllocVa;            // TxBuf virtual address
	NDIS_PHYSICAL_ADDRESS   AllocPa;            // TxBuf physical address
} RTMP_DMABUF, *PRTMP_DMABUF;


typedef	union	_HEADER_802_11_SEQ{
#ifdef BIG_ENDAIN
    struct {
   	USHORT			Sequence:12;
	USHORT			Frag:4;
    }   field;
#else
    struct {
	USHORT			Frag:4;
	USHORT			Sequence:12;
    }   field;
#endif
    USHORT           value;
}	HEADER_802_11_SEQ, *PHEADER_802_11_SEQ;

//
//  Data buffer for DMA operation, the buffer must be contiguous physical memory
//  Both DMA to / from CPU use the same structure.
//
typedef struct  _RTMP_REORDERBUF
{
	BOOLEAN			IsFull;
	PVOID                   AllocVa;            // TxBuf virtual address
	UCHAR			Header802_3[14];
	HEADER_802_11_SEQ			Sequence;	//support compressed bitmap BA, so no consider fragment in BA
	UCHAR 		DataOffset;
	USHORT 		Datasize;
	ULONG                   AllocSize;
	NDIS_PHYSICAL_ADDRESS   AllocPa;            // TxBuf physical address
}   RTMP_REORDERBUF, *PRTMP_REORDERBUF;

//
// Control block (Descriptor) for all ring descriptor DMA operation, buffer must be 
// contiguous physical memory. NDIS_PACKET stored the binding Rx packet descriptor
// which won't be released, driver has to wait until upper layer return the packet
// before giveing up this rx ring descriptor to ASIC. NDIS_BUFFER is assocaited pair
// to describe the packet buffer. For Tx, NDIS_PACKET stored the tx packet descriptor
// which driver should ACK upper layer when the tx is physically done or failed.
//
typedef struct _RTMP_DMACB
{
	ULONG                   AllocSize;          // Control block size
	PVOID                   AllocVa;            // Control block virtual address
	NDIS_PHYSICAL_ADDRESS   AllocPa;            // Control block physical address
	PNDIS_PACKET pNdisPacket;
	PNDIS_PACKET pNextNdisPacket;

	RTMP_DMABUF             DmaBuf;             // Associated DMA buffer structure
#ifdef RX_SCATTERED
	RTMP_DMABUF             NextDmaBuf;             // Associated DMA buffer structure
#endif
} RTMP_DMACB, *PRTMP_DMACB;

typedef struct _RTMP_TX_BUF
{
	PQUEUE_ENTRY    Next;
	UCHAR           Index;
	ULONG                   AllocSize;          // Control block size
	PVOID                   AllocVa;            // Control block virtual address
	NDIS_PHYSICAL_ADDRESS   AllocPa;            // Control block physical address
} RTMP_TXBUF, *PRTMP_TXBUF;

typedef struct _RTMP_RX_BUF
{
	BOOLEAN           InUse;
	ULONG           	ByBaRecIndex;
	RTMP_REORDERBUF	MAP_RXBuf[Max_RX_REORDERBUF];
} RTMP_RXBUF, *PRTMP_RXBUF;
typedef struct _RTMP_TX_RING
{
	RTMP_DMACB  Cell[TX_RING_SIZE];
	ULONG		TxCpuIdx;	
	ULONG		TxDmaIdx;   
	ULONG		TxSwFreeIdx; 	// software next free tx index
} RTMP_TX_RING, *PRTMP_TX_RING;

typedef struct _RTMP_RX_RING
{
	RTMP_DMACB  Cell[RX_RING_SIZE];
	ULONG		RxCpuIdx;
	ULONG		RxDmaIdx;
	LONG		RxSwReadIdx; 	// software next read index
} RTMP_RX_RING, *PRTMP_RX_RING;

typedef struct _RTMP_MGMT_RING
{
	RTMP_DMACB  Cell[MGMT_RING_SIZE];
	ULONG		TxCpuIdx;
	ULONG		TxDmaIdx;
	ULONG		TxSwFreeIdx; // software next free tx index
} RTMP_MGMT_RING, *PRTMP_MGMT_RING;

//
//  Statistic counter structure
//