mirror of
https://github.com/reactos/reactos.git
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165 lines
5.3 KiB
C
165 lines
5.3 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS TCP/IP protocol driver
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* FILE: include/lan.h
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* PURPOSE: LAN adapter definitions
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*/
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#pragma once
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/* NDIS version this driver supports */
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#define NDIS_VERSION_MAJOR 4
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#define NDIS_VERSION_MINOR 0
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/* Macros */
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#define MIN(value1, value2) \
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((value1 < value2)? value1 : value2)
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#define MAX(value1, value2) \
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((value1 > value2)? value1 : value2)
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#define NDIS_BUFFER_TAG FOURCC('n','b','u','f')
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#define NDIS_PACKET_TAG FOURCC('n','p','k','t')
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/* Media we support */
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#define MEDIA_ETH 0
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#define MAX_MEDIA 1
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#define IEEE_802_ADDR_LENGTH 6
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/* Ethernet header layout */
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typedef struct ETH_HEADER {
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UCHAR DstAddr[IEEE_802_ADDR_LENGTH]; /* Destination MAC address */
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UCHAR SrcAddr[IEEE_802_ADDR_LENGTH]; /* Source MAC address */
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USHORT EType; /* Ethernet protocol type */
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} ETH_HEADER, *PETH_HEADER;
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#define MAX_MEDIA_ETH sizeof(ETH_HEADER)
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/* Broadcast masks */
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#define BCAST_ETH_MASK 0x01
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/* Broadcast values to check against */
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#define BCAST_ETH_CHECK 0x01
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/* Offset of broadcast address */
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#define BCAST_ETH_OFFSET 0x00
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typedef struct _LAN_ADDRESS_C {
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LIST_ENTRY ListEntry;
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LAN_ADDRESS ClientPart;
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} LAN_ADDRESS_C, *PLAN_ADDRESS_C;
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/* Per adapter information */
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typedef struct LAN_ADAPTER {
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LIST_ENTRY ListEntry; /* Entry on list */
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LIST_ENTRY AddressList; /* Addresses associated */
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LIST_ENTRY ForeignList; /* List of known addresses */
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KSPIN_LOCK Lock; /* Lock for this structure */
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UINT Index; /* Adapter Index */
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UCHAR State; /* State of the adapter */
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KEVENT Event; /* Opening event */
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PVOID Context; /* Upper layer context information */
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NDIS_HANDLE NdisHandle; /* NDIS binding handle */
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NDIS_STATUS NdisStatus; /* NDIS status of last request */
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NDIS_MEDIUM Media; /* Media type */
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UCHAR HWAddress[IEEE_802_ADDR_LENGTH]; /* Local HW address */
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UINT HWAddressLength; /* Length of HW address */
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UCHAR BCastMask; /* Mask for checking broadcast */
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UCHAR BCastCheck; /* Value to check against */
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UCHAR BCastOffset; /* Offset in frame to check against */
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UCHAR HeaderSize; /* Size of link-level header */
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USHORT MTU; /* Maximum Transfer Unit */
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UINT MinFrameSize; /* Minimum frame size in bytes */
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UINT MaxPacketSize; /* Maximum packet size when sending */
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UINT MaxSendPackets; /* Maximum number of packets per send */
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UINT MacOptions; /* MAC options for NIC driver/adapter */
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UINT Speed; /* Link speed */
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UINT PacketFilter; /* Packet filter for this adapter */
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UINT Lookahead; /* Lookahead for adapter */
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UNICODE_STRING RegistryPath; /* Registry path for later query */
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} LAN_ADAPTER, *PLAN_ADAPTER;
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typedef struct _LAN_PACKET {
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PNDIS_PACKET NdisPacket;
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PETH_HEADER EthHeader;
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UINT TotalSize;
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} LAN_PACKET, *PLAN_PACKET;
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typedef struct _LAN_PROTOCOL {
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LIST_ENTRY ListEntry;
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LIST_ENTRY ReadIrpListHead;
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UINT Id;
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UINT LastServicePass;
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UINT Buffered;
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UINT NumEtherTypes;
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USHORT EtherType[1];
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} LAN_PROTOCOL, *PLAN_PROTOCOL;
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typedef struct _LAN_DEVICE_EXT {
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NDIS_HANDLE NdisProtocolHandle;
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KSPIN_LOCK Lock;
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LIST_ENTRY AdapterListHead;
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LIST_ENTRY ProtocolListHead;
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UINT AdapterId;
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UINT ProtoId;
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} LAN_DEVICE_EXT, *PLAN_DEVICE_EXT;
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/* LAN adapter state constants */
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#define LAN_STATE_OPENING 0
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#define LAN_STATE_RESETTING 1
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#define LAN_STATE_STARTED 2
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#define LAN_STATE_STOPPED 3
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/* Size of out lookahead buffer */
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#define LOOKAHEAD_SIZE 128
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/* Ethernet types. We swap constants so we can compare values at runtime
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without swapping them there */
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#define ETYPE_IPv4 WH2N(0x0800)
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#define ETYPE_IPv6 WH2N(0x86DD)
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#define ETYPE_ARP WH2N(0x0806)
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/* Protocols */
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#define LAN_PROTO_IPv4 0x0000 /* Internet Protocol version 4 */
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#define LAN_PROTO_IPv6 0x0001 /* Internet Protocol version 6 */
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#define LAN_PROTO_ARP 0x0002 /* Address Resolution Protocol */
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NDIS_STATUS LANRegisterAdapter(
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PNDIS_STRING AdapterName,
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PNDIS_STRING RegistryPath);
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NDIS_STATUS LANUnregisterAdapter(PLAN_ADAPTER Adapter);
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NTSTATUS LANRegisterProtocol(PNDIS_STRING Name);
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VOID LANUnregisterProtocol(VOID);
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NDIS_STATUS NDISCall(
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PLAN_ADAPTER Adapter,
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NDIS_REQUEST_TYPE Type,
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NDIS_OID OID,
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PVOID Buffer,
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UINT Length);
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void GetDataPtr( PNDIS_PACKET Packet,
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UINT Offset,
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PCHAR *DataOut,
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PUINT Size );
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NDIS_STATUS AllocatePacketWithBufferX( PNDIS_PACKET *NdisPacket,
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PCHAR Data, UINT Len,
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PCHAR File, UINT Line );
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VOID FreeNdisPacketX( PNDIS_PACKET Packet, PCHAR File, UINT Line );
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NDIS_STATUS InitNdisPools(VOID);
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VOID CloseNdisPools(VOID);
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PLAN_ADAPTER FindAdapterByIndex( PLAN_DEVICE_EXT DeviceExt, UINT Index );
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/* EOF */
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