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2b82fe44ea
- Create a branch to drop my ndisuio work svn path=/branches/wlan-bringup/; revision=54809
252 lines
9 KiB
C
252 lines
9 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/ip.h
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* PURPOSE: Internet Protocol related definitions
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*/
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#pragma once
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typedef VOID (*OBJECT_FREE_ROUTINE)(PVOID Object);
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#define FOURCC(a,b,c,d) (((a)<<24)|((b)<<16)|((c)<<8)|(d))
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/* Raw IPv4 style address */
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typedef ULONG IPv4_RAW_ADDRESS;
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typedef IPv4_RAW_ADDRESS *PIPv4_RAW_ADDRESS;
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/* Raw IPv6 style address */
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typedef USHORT IPv6_RAW_ADDRESS[8];
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typedef IPv6_RAW_ADDRESS *PIPv6_RAW_ADDRESS;
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/* IP style address */
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typedef struct IP_ADDRESS {
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UCHAR Type; /* Type of IP address */
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union {
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IPv4_RAW_ADDRESS IPv4Address;/* IPv4 address (in network byte order) */
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IPv6_RAW_ADDRESS IPv6Address;/* IPv6 address (in network byte order) */
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} Address;
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} IP_ADDRESS, *PIP_ADDRESS;
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/* IP type constants */
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#define IP_ADDRESS_V4 0x04 /* IPv4 style address */
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#define IP_ADDRESS_V6 0x06 /* IPv6 style address */
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/* IPv4 header format */
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typedef struct IPv4_HEADER {
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UCHAR VerIHL; /* 4-bit version, 4-bit Internet Header Length */
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UCHAR Tos; /* Type of Service */
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USHORT TotalLength; /* Total Length */
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USHORT Id; /* Identification */
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USHORT FlagsFragOfs; /* 3-bit Flags, 13-bit Fragment Offset */
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UCHAR Ttl; /* Time to Live */
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UCHAR Protocol; /* Protocol */
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USHORT Checksum; /* Header Checksum */
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IPv4_RAW_ADDRESS SrcAddr; /* Source Address */
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IPv4_RAW_ADDRESS DstAddr; /* Destination Address */
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} IPv4_HEADER, *PIPv4_HEADER;
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/* IPv6 header format */
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typedef struct IPv6_HEADER {
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ULONG VTF; /* Version, Traffic Class, Flow Label */
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USHORT PayloadLength;
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UCHAR NextHeader; /* Same as Protocol in IPv4 */
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UCHAR HopLimit; /* Same as Ttl in IPv4 */
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IPv6_RAW_ADDRESS SrcAddr;
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IPv6_RAW_ADDRESS DstAddr;
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} IPv6_HEADER, *PIPv6_HEADER;
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typedef union _IP_HEADER {
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IPv4_HEADER v4;
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IPv6_HEADER v6;
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} IP_HEADER, *PIP_HEADER;
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#define IPv4_FRAGOFS_MASK 0x1FFF /* Fragment offset mask (host byte order) */
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#define IPv4_MF_MASK 0x2000 /* More fragments (host byte order) */
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#define IPv4_DF_MASK 0x4000 /* Don't fragment (host byte order) */
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#define IPv4_MAX_HEADER_SIZE 60
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/* Packet completion handler prototype */
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typedef VOID (*PACKET_COMPLETION_ROUTINE)(
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PVOID Context,
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PNDIS_PACKET NdisPacket,
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NDIS_STATUS NdisStatus);
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/* Structure for an IP packet */
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typedef struct _IP_PACKET {
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OBJECT_FREE_ROUTINE Free; /* Routine used to free resources for the object */
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UCHAR Type; /* Type of IP packet (see IP_ADDRESS_xx above) */
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UCHAR Flags; /* Flags for packet (see IP_PACKET_FLAG_xx below)*/
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BOOLEAN MappedHeader; /* States whether Header is from an MDL or allocated from pool */
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BOOLEAN ReturnPacket; /* States whether NdisPacket should be passed to NdisReturnPackets */
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PVOID Header; /* Pointer to IP header for this packet */
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UINT HeaderSize; /* Size of IP header */
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PVOID Data; /* Current pointer into packet data */
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UINT TotalSize; /* Total amount of data in packet (IP header and data) */
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UINT Position; /* Current logical offset into packet */
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PNDIS_PACKET NdisPacket; /* Pointer to NDIS packet */
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IP_ADDRESS SrcAddr; /* Source address */
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IP_ADDRESS DstAddr; /* Destination address */
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} IP_PACKET, *PIP_PACKET;
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#define IP_PACKET_FLAG_RAW 0x01 /* Raw IP packet */
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/* Packet context */
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typedef struct _PACKET_CONTEXT {
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PACKET_COMPLETION_ROUTINE DLComplete; /* Data link level completion handler
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* Also used to link to next packet
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* in a queue */
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PVOID Context; /* Context information for handler */
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UINT PacketType; /* Type of packet */
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} PACKET_CONTEXT, *PPACKET_CONTEXT;
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/* The ProtocolReserved field is structured as a PACKET_CONTEXT */
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#define PC(Packet) ((PPACKET_CONTEXT)(&Packet->ProtocolReserved))
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/* Values for address type -- also the interface flags */
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/* These values are mean to overlap meaningfully with the BSD ones */
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#define ADE_UNICAST 0x01
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#define ADE_BROADCAST 0x02
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#define ADE_ADDRMASK 0x04
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#define ADE_POINTOPOINT 0x10
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#define ADE_MULTICAST 0x8000
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/* There is one NTE for each source (unicast) address assigned to an interface */
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/* Link layer transmit prototype */
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typedef VOID (*LL_TRANSMIT_ROUTINE)(
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PVOID Context,
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PNDIS_PACKET NdisPacket,
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UINT Offset,
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PVOID LinkAddress,
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USHORT Type);
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/* Link layer to IP binding information */
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typedef struct _LLIP_BIND_INFO {
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PVOID Context; /* Pointer to link layer context information */
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UINT HeaderSize; /* Size of link level header */
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UINT MinFrameSize; /* Minimum frame size in bytes */
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UINT MTU; /* Maximum transmission unit */
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PUCHAR Address; /* Pointer to interface address */
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UINT AddressLength; /* Length of address in bytes */
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LL_TRANSMIT_ROUTINE Transmit; /* Transmit function for this interface */
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} LLIP_BIND_INFO, *PLLIP_BIND_INFO;
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typedef struct _SEND_RECV_STATS {
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UINT InBytes;
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UINT InUnicast;
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UINT InNUnicast;
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UINT InDiscarded;
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UINT InErrors;
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UINT InDiscardedUnknownProto;
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UINT OutBytes;
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UINT OutUnicast;
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UINT OutNUnicast;
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UINT OutDiscarded;
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UINT OutErrors;
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} SEND_RECV_STATS, *PSEND_RECV_STATS;
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/* Information about an IP interface */
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typedef struct _IP_INTERFACE {
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LIST_ENTRY ListEntry; /* Entry on list */
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OBJECT_FREE_ROUTINE Free; /* Routine used to free resources used by the object */
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KSPIN_LOCK Lock; /* Spin lock for this object */
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PVOID Context; /* Pointer to link layer context information */
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UINT HeaderSize; /* Size of link level header */
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UINT MinFrameSize; /* Minimum frame size in bytes */
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UINT MTU; /* Maximum transmission unit */
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UINT Speed; /* Link speed */
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IP_ADDRESS Unicast; /* Unicast address */
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IP_ADDRESS PointToPoint; /* Point to point address */
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IP_ADDRESS Netmask; /* Netmask */
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IP_ADDRESS Broadcast; /* Broadcast */
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UNICODE_STRING Name; /* Adapter name (GUID) */
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UNICODE_STRING Description; /* Adapter description (Human readable) */
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PUCHAR Address; /* Pointer to interface address */
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UINT AddressLength; /* Length of address in bytes */
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UINT Index; /* Index of adapter (used to add ip addr) */
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LL_TRANSMIT_ROUTINE Transmit; /* Pointer to transmit function */
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PVOID TCPContext; /* TCP Content for this interface */
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SEND_RECV_STATS Stats; /* Send/Receive statistics */
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} IP_INTERFACE, *PIP_INTERFACE;
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typedef struct _IP_SET_ADDRESS {
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ULONG NteIndex;
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IPv4_RAW_ADDRESS Address;
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IPv4_RAW_ADDRESS Netmask;
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} IP_SET_ADDRESS, *PIP_SET_ADDRESS;
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#define IP_PROTOCOL_TABLE_SIZE 0x100
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typedef VOID (*IP_PROTOCOL_HANDLER)(
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PIP_INTERFACE Interface,
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PIP_PACKET IPPacket);
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/* Loopback adapter address information (network byte order) */
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#define LOOPBACK_ADDRESS_IPv4 ((IPv4_RAW_ADDRESS)DH2N(0x7F000001))
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#define LOOPBACK_BCASTADDR_IPv4 ((IPv4_RAW_ADDRESS)DH2N(0x7FFFFFFF))
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#define LOOPBACK_ADDRMASK_IPv4 ((IPv4_RAW_ADDRESS)DH2N(0xFF000000))
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/* Protocol definitions */
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#ifndef IPPROTO_RAW
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#define IPPROTO_RAW 0 /* Raw IP */
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#endif
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#define IPPROTO_ICMP 1 /* Internet Control Message Protocol */
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#define IPPROTO_IGMP 2 /* Internet Group Management Protocol */
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#define IPPROTO_TCP 6 /* Transmission Control Protocol */
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#define IPPROTO_UDP 17 /* User Datagram Protocol */
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/* Timeout timer constants */
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#define IP_TIMEOUT 1000 /* Timeout in milliseconds */
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#define IP_DEFAULT_LINK_SPEED 10000
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extern LIST_ENTRY InterfaceListHead;
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extern KSPIN_LOCK InterfaceListLock;
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extern LIST_ENTRY NetTableListHead;
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extern KSPIN_LOCK NetTableListLock;
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PIP_PACKET IPCreatePacket(
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ULONG Type);
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PIP_PACKET IPInitializePacket(
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PIP_PACKET IPPacket,
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ULONG Type);
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PIP_INTERFACE IPCreateInterface(
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PLLIP_BIND_INFO BindInfo);
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VOID IPAddInterfaceRoute(
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PIP_INTERFACE IF);
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VOID IPRemoveInterfaceRoute(
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PIP_INTERFACE IF);
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VOID IPDestroyInterface(
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PIP_INTERFACE IF);
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BOOLEAN IPRegisterInterface(
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PIP_INTERFACE IF);
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VOID IPUnregisterInterface(
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PIP_INTERFACE IF);
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VOID NTAPI IPTimeoutDpcFn(PKDPC Dpc,
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PVOID DeferredContext,
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PVOID SystemArgument1,
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PVOID SystemArgument2);
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VOID IPDispatchProtocol(
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PIP_INTERFACE Interface,
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PIP_PACKET IPPacket);
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VOID IPRegisterProtocol(
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UINT ProtocolNumber,
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IP_PROTOCOL_HANDLER Handler);
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NTSTATUS IPStartup(PUNICODE_STRING RegistryPath);
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NTSTATUS IPShutdown(VOID);
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/* EOF */
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