Leaked source code of windows server 2003
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/********************************************************************/
/** Microsoft LAN Manager **/
/** Copyright(c) Microsoft Corp., 1990-2000 **/
/********************************************************************/
/* :ts=4 */
#pragma once
#ifndef IPDEF_H_INCLUDED
#define IPDEF_H_INCLUDED
#ifndef IF_REFERENCE_DEBUG
#define IF_REFERENCE_DEBUG 0
#endif
//** IPDEF.H - IP private definitions.
//
// This file contains all of the definitions for IP that
// are private to IP, i.e. not visible to outside layers.
// The following macros assume that 'a' is in network byte order.
//
#define VALID_MASK(a) ((~net_long(a) & (~net_long(a) + 1)) == 0)
#define CLASSA_ADDR(a) (( (*((uchar *)&(a))) & 0x80) == 0)
#define CLASSB_ADDR(a) (( (*((uchar *)&(a))) & 0xc0) == 0x80)
#define CLASSC_ADDR(a) (( (*((uchar *)&(a))) & 0xe0) == 0xc0)
#define CLASSE_ADDR(a) ((( (*((uchar *)&(a))) & 0xf0) == 0xf0) && \
((a) != 0xffffffff))
#define CLASSA_MASK 0x000000ff
#define CLASSB_MASK 0x0000ffff
#define CLASSC_MASK 0x00ffffff
#define CLASSD_MASK 0x000000f0
#define CLASSE_MASK 0xffffffff
#define MCAST_DEST 0x000000e0
#define IP_OPT_COPIED 0x80 // Bit indicating options is to be copied.
#define IP_OPT_TYPE 0
#define IP_OPT_LENGTH 1
#define IP_OPT_DATA 2
#define IP_OPT_PTR 2 // Pointer offset, for those options that have it.
#define IP_TS_OVFLAGS 3 // Offset for overflow and flags.
#define IP_TS_FLMASK 0xf // Mask for flags
#define IP_TS_OVMASK 0xf0 // Mask for overflow field.
#define IP_TS_MAXOV 0xf0 // Maximum value for the overflow field.
#define IP_TS_INC 0x10 // Increment used on overflow field.
#define MIN_RT_PTR 4
#define MIN_TS_PTR 5
#define TS_REC_TS 0 // Record TS option.
#define TS_REC_ADDR 1 // Record TS and address.
#define TS_REC_SPEC 3 // Only specified addresses record.
#define OPT_SSRR 1 // We've seen a SSRR in this option buffer
#define OPT_LSRR 2 // We've seen a LSRR in this option buffer
#define OPT_RR 4 // We've seen a RR
#define OPT_TS 8 // We've seen a TS.
#define OPT_ROUTER_ALERT 0x10 // We-ve seen a Router Alert option already
#define ROUTER_ALERT_SIZE 4 // size of router alert option.
#define MAX_OPT_SIZE 40
#define ALL_ROUTER_MCAST 0x020000E0
// Flags for retrieving interface capabilities.
#define IF_WOL_CAP 0
#define IF_OFFLOAD_CAP 1
// Received option index structure.
//
typedef struct OptIndex {
uchar oi_srindex;
uchar oi_rrindex;
uchar oi_tsindex;
uchar oi_srtype;
uchar oi_rtrindex; // rtr alert option
} OptIndex;
// This is a local definition of task offload OID to indicate to DoNdisRequest
// to query for offload capability
#define OID_TCP_TASK_OFFLOAD_EX 0x9999
#define MAX_HDR_SIZE (sizeof(IPHeader) + MAX_OPT_SIZE)
#define MAX_TOTAL_LENGTH 0xffff
#define MAX_DATA_LENGTH (MAX_TOTAL_LENGTH - sizeof(IPHeader))
#define DEFAULT_VERLEN 0x45 // Default version and length.
#define IP_VERSION 0x40
#define IP_VER_FLAG 0xF0
#define IP_RSVD_FLAG 0x0080 // Reserved.
#define IP_DF_FLAG 0x0040 // 'Don't fragment' flag
#define IP_MF_FLAG 0x0020 // 'More fragments flag'
#define IP_OFFSET_MASK ~0x00E0 // Mask for extracting offset field.
typedef IP_STATUS (*ULRcvProc)(void *, IPAddr, IPAddr, IPAddr, IPAddr,
IPHeader UNALIGNED *, uint, IPRcvBuf *, uint,
uchar, uchar, IPOptInfo *);
typedef uint (*ULStatusProc)(uchar, IP_STATUS, IPAddr, IPAddr, IPAddr, ulong,
void *);
typedef void (*ULElistProc)();
typedef NTSTATUS (*ULPnPProc)(void *, IPAddr ipAddr, NDIS_HANDLE handle,
PNET_PNP_EVENT);
//* Protocol information structure. These is one of there for each protocol
// bound to an NTE.
//
typedef struct ProtInfo {
void (*pi_xmitdone)(void *, PNDIS_BUFFER, IP_STATUS); // Pointer
// to xmit done routine.
ULRcvProc pi_rcv; // Pointer to receive routine.
ULStatusProc pi_status; // Pointer to status handler.
void (*pi_rcvcmplt)(void); // Pointer to recv. cmplt handler.
ULPnPProc pi_pnppower; // pnp power handler
ULElistProc pi_elistchange; // entity list changed notification
uchar pi_protocol; // Protocol type.
uchar pi_valid; // Is this entry valid?
uchar pi_pad[2]; // Pad to dword
} ProtInfo;
#define PI_ENTRY_INVALID 0
#define PI_ENTRY_VALID 1
//* Per-net information. We keep a variety of information for
// each net, including the IP address, subnet mask, and reassembly
// information.
//
#define MAX_IP_PROT 7 // ICMP, IGMP, TCP, UDP, AH,
// ESP & Raw
typedef struct IPRtrEntry {
struct IPRtrEntry *ire_next;
IPAddr ire_addr;
long ire_preference;
ushort ire_lifetime;
ushort ire_pad;
} IPRtrEntry;
typedef struct NetTableEntry {
struct NetTableEntry *nte_next; // Next NTE of I/F.
IPAddr nte_addr; // IP address for this net.
IPMask nte_mask; // Subnet mask for this net.
struct Interface *nte_if; // Pointer to interface for
// this net.
struct NetTableEntry *nte_ifnext; // Linkage on if chain.
ushort nte_flags; // Flags for NTE.
ushort nte_context; // Context passed to upper
// layers.
ulong nte_instance; // Unique instance ID for this
// net
void *nte_pnpcontext; // PNP context.
DEFINE_LOCK_STRUCTURE(nte_lock)
struct ReassemblyHeader *nte_ralist; // Reassembly list.
struct EchoControl *nte_echolist; // List of pending echo control
// blocks
CTETimer nte_timer; // Timer for this net.
CTEBlockStruc nte_timerblock; // used to sync stopping the
// interface timer
ushort nte_mss;
ushort nte_pad; // for alignment.
uint nte_icmpseq; // ICMP seq. #. 32 bit to reduce
// collisions from wraparound.
struct IGMPAddr **nte_igmplist; // Pointer to hash table
void *nte_addrhandle; // Handle for address
// registration.
IPAddr nte_rtrdiscaddr; // Address used for Router
// Discovery
uchar nte_rtrdiscstate; // state of router solicitations
uchar nte_rtrdisccount; // router solicitation count
uchar nte_rtrdiscovery;
uchar nte_deleting;
IPRtrEntry *nte_rtrlist;
uint nte_igmpcount; // total number of groups joined on this NTE
} NetTableEntry;
// Note - Definition here has dependency on addr type defined in iprtrmib.h
#define NTE_VALID 0x0001 // NTE is valid.
#define NTE_COPY 0x0002 // For NDIS copy lookahead
#define NTE_PRIMARY 0x0004 // This is the 'primary' NTE
// on the I/F.
#define NTE_ACTIVE 0x0008 // NTE is active,
// i.e. interface is valid.
#define NTE_DYNAMIC 0x0010 // NTE was created dynamically
#define NTE_DHCP 0x0020 // Is DHCP working on this
// interface?
#define NTE_DISCONNECTED 0x0040 // Is Media disconnected?
#define NTE_TIMER_STARTED 0x0080 // Is timer started for this?
#define NTE_IF_DELETING 0x0100 // nte->if is soon to be deleted
#define NTE_TRANSIENT_ADDR 0x0200 // Transient addr type
//========================================================================
// DHCPNTE is used by the sendpath to figure out which NTE to send on.
// nte_flags & NTE_DHCP is used to decide at the receive path if the
// NTE is dhcp-mode (is trying to get an address) to push the packet up
// further to dhcpcsvc.dll.
// The basic logic used by dhcp is :
// each interface do : (in parallel)
// SetDHCPNTE on the interface and send packet out (atomic)
// process packet and maybe go to above step.
// Set address and call SetDHCPNTE w/ invalid interface
// Step one sets the DHCPNTE variable and the nte_flags on this NTE.
// Step 3 turns off the DHCPNTE variable making it NULL.
// Step 2 set the nte_flags & NTE_DHCP to false.. turns off the flag.
//=======================================================================
#define IP_TIMEOUT 500
#define NTE_RTRDISC_UNINIT 0
#define NTE_RTRDISC_DELAYING 1
#define NTE_RTRDISC_SOLICITING 2
#define MAX_SOLICITATION_DELAY 2 // ticks to delay
#define SOLICITATION_INTERVAL 6 // ticks between solicitations
#define MAX_SOLICITATIONS 3 // number of solicitations
//* Buffer reference structure. Used by broadcast and fragmentation code to
// track multiple references to a single user buffer.
typedef struct BufferReference {
PNDIS_BUFFER br_buffer; // Pointer to uses buffer.
DEFINE_LOCK_STRUCTURE(br_lock)
int br_refcount; // Count of references to user's buffer.
PNDIS_BUFFER br_userbuffer; // Buffer to be restored, in header incl case.
} BufferReference;
// Definitions of flags in pc_flags field
#define PACKET_FLAG_OPTIONS 0x01 // Set if packet has an options buffer.
#define PACKET_FLAG_IPBUF 0x02 // Set if packet is composed of IP
// buffers.
#define PACKET_FLAG_RA 0x04 // Set if packet is being used for
// reassembly.
#define PACKET_FLAG_FW 0x08 // Set if packet is a forwarding packet.
#define PACKET_FLAG_IPHDR 0x10 // Packet uses an IP hdr buffer.
#define PACKET_FLAG_SNAP 0x20 // Packet uses a SNAP header.
//* Transfer data packet context.
// Used when TD'ing a packet - we store information for the callback here.
//
typedef struct TDContext {
struct PCCommon tdc_common;
void *tdc_buffer; // Pointer to buffer containing data.
NetTableEntry *tdc_nte; // NTE to receive this on.
struct RABufDesc *tdc_rbd; // Pointer to RBD, if any.
uchar tdc_dtype; // Destination type of original address.
uchar tdc_hlength; // Length in bytes of header.
uchar tdc_pad[2];
uchar tdc_header[MAX_HDR_SIZE + 8];
} TDContext;
// IP requests to NDIS miniports through ARP
//
typedef void (*RCCALL) (PVOID pRequestInfo);
// General request block for asynchronous NDIS requests
//
#pragma warning(push)
#pragma warning(disable:4200) // nonstandard extension used: zero size array
typedef struct ReqInfoBlock {
ulong RequestType;
ulong RequestRefs; // Reference Count on this block
RCCALL ReqCompleteCallback; // Request Complete Callback
uchar RequestLength;
uchar RequestInfo[0]; // Variable length - see below
} ReqInfoBlock;
#pragma warning(pop)
#if FFP_SUPPORT
// Default FFP startup params
//
#define DEFAULT_FFP_FFWDCACHE_SIZE 0 // 0 => FFP code picks default cachesize
#define DEFAULT_FFP_CONTROL_FLAGS 0x00010001 // Enable Fast Forwarding with
// Filtering
// FFP Cache Params In the Registry
//
extern ulong FFPRegFastForwardingCacheSize;
extern ulong FFPRegControlFlags;
// Some timing parameters in secs
//
#define FFP_IP_FLUSH_INTERVAL 5 // Min time interval between
// consequtive flush requests
#endif // if FFP_SUPPORT
//* Firewall queue entry definition
//
typedef struct FIREWALL_INFO {
Queue hook_q; // Queue linkage for firewall hook in IF
IPPacketFirewallPtr hook_Ptr; // Packet firewall callout.
uint hook_priority; // Recv Priority of the hook
} FIREWALL_HOOK, *PFIREWALL_HOOK;
typedef struct LinkEntry {
struct LinkEntry *link_next; // next link in chain
IPAddr link_NextHop; // next hop address of the link
struct Interface *link_if; // back ptr to the interface
void *link_arpctxt; // link layers context
struct RouteTableEntry *link_rte; // rte chain associated with this link
uint link_Action; // needed for filter hooks;
// by default FORWARD
uint link_mtu; // mtu of the link
long link_refcount; // refcount for the link
} LinkEntry;
// Some flags for multicast properties
//
#define IPMCAST_IF_ENABLED (uchar)0x01
#define IPMCAST_IF_WRONG_IF (uchar)0x02
#define IPMCAST_IF_ACCEPT_ALL (uchar)0x04
//* Information about net interfaces. There can be multiple nets for each
// interface, but there is exactly one interface per net.
//
#if IF_REFERENCE_DEBUG
#define MAX_IFREFERENCE_HISTORY 4
typedef struct _IF_REFERENCE_HISTORY {
uchar *File;
uint Line;
void *Caller;
uint Count;
} IF_REFERENCE_HISTORY;
#endif // IF_REFERENCE_DEBUG
typedef struct Interface {
struct Interface *if_next; // Next interface in chain.
void *if_lcontext; // Link layer context.
ARP_TRANSMIT if_xmit;
ARP_TRANSFER if_transfer;
ARP_RETURN_PKT if_returnpkt;
ARP_CLOSE if_close;
ARP_ADDADDR if_addaddr;
ARP_DELADDR if_deladdr;
ARP_INVALIDATE if_invalidate;
ARP_OPEN if_open;
ARP_QINFO if_qinfo;
ARP_SETINFO if_setinfo;
ARP_GETELIST if_getelist;
ARP_DONDISREQ if_dondisreq;
NDIS_STATUS (__stdcall *if_dowakeupptrn)(void *, PNET_PM_WAKEUP_PATTERN_DESC, ushort, BOOLEAN);
void (__stdcall *if_pnpcomplete)(void *, NDIS_STATUS, PNET_PNP_EVENT);
NDIS_STATUS (__stdcall *if_setndisrequest)(void *, NDIS_OID, uint);
NDIS_STATUS (__stdcall *if_arpresolveip)(void *, IPAddr, void *);
BOOLEAN (__stdcall *if_arpflushate)(void *, IPAddr);
void (__stdcall *if_arpflushallate)(void *);
uint if_numgws; // Number of default gateways
IPAddr if_gw[MAX_DEFAULT_GWS]; //IPaddresses for gateways
uint if_gwmetric[MAX_DEFAULT_GWS];
uint if_metric;
uchar if_dfencap;
uchar if_rtrdiscovery; // is router discovery enabled?
ushort if_dhcprtrdiscovery; // is router discovery DHCP-enabled?
PNDIS_PACKET if_tdpacket; // Packet used for transferring data.
uint if_index; // Index of this interface.
ULONG if_mediatype;
uchar if_accesstype;
uchar if_conntype;
uchar if_mcastttl;
uchar if_mcastflags;
LONGLONG if_lastupcall;
uint if_ntecount; // Valid NTEs on this interface.
NetTableEntry *if_nte; // Pointer to list of NTE on interface.
IPAddr if_bcast; // Broadcast address for this interface.
uint if_mtu; // True maximum MTU for the interface.
uint if_speed; // Speed in bits/sec of this interface.
uint if_flags; // Flags for this interface.
uint if_addrlen; // Length of i/f addr.
uchar *if_addr; // Pointer to addr.
uint IgmpVersion; //igmp version active on this interface
uint IgmpVer1Timeout; //Version 1 router present timeout
uint IgmpVer2Timeout;// Version 2 router present timeout
uint IgmpGeneralTimer; //General query response timer
uint if_refcount; // Reference count for this i/f.
CTEBlockStruc *if_block; // Block structure for PnP.
void *if_pnpcontext; // Context to pass to upper layers.
HANDLE if_tdibindhandle;
uint if_llipflags; // Lower layer flags
NDIS_STRING if_configname; // Name of the i/f config section
NDIS_STRING if_name; // The current name of the interface
NDIS_STRING if_devname; // The name of the device
PVOID if_ipsecsniffercontext; // context for IPSEC sniffer
DEFINE_LOCK_STRUCTURE(if_lock)
#if FFP_SUPPORT
ulong if_ffpversion; // Version of FFP code (or zero)
ULONG_PTR if_ffpdriver; // Driver that does FFP (or zero)
#endif // if FFP_SUPPORT
uint if_OffloadFlags; // IP offload capability flags.
uint if_IPSecOffloadFlags; // IPSec offload capability flags.
uint if_MaxOffLoadSize;
uint if_MaxSegments;
NDIS_TASK_TCP_LARGE_SEND if_TcpLargeSend;
uint if_TcpWindowSize;
uint if_TcpInitialRTT;
uchar if_TcpDelAckTicks;
uchar if_TcpAckFrequency; // holds ack frequency for this Interface
uchar if_absorbfwdpkts;
uchar if_InitInProgress;
uchar if_resetInProgress;
uchar if_promiscuousmode;
uchar if_auto_metric; // whether it is in auto mode or not
uchar if_iftype; // type of interface: allow unicast/mcast/both
LinkEntry *if_link; // chain of links for this interface
void (__stdcall *if_closelink)(void *, void *);
uint if_mediastatus;
uint if_pnpcap; // remeber pnpcapability of the adapter
struct Interface *if_dampnext;
ushort if_damptimer;
ushort if_wlantimer;
ULONGLONG if_InMcastPkts; // Multicast counters for packets rcvd
ULONGLONG if_InMcastOctets; // and bytes rcvd
ULONGLONG if_OutMcastPkts; // Multicast packets sent and
ULONGLONG if_OutMcastOctets; // bytes sent
ARP_CANCEL if_cancelpackets;
uint if_order; // holds this interface's position
// in the admin-specified ordering
// of adapters.
int if_lastproc; // Processor that got the most
// recent receive indication
#if IF_REFERENCE_DEBUG
uint if_refhistory_index;
IF_REFERENCE_HISTORY if_refhistory[MAX_IFREFERENCE_HISTORY]; // Added for tracking purpose
#endif // IF_REFERENCE_DEBUG
} Interface;
#if IF_REFERENCE_DEBUG
uint
DbgLockedReferenceIF (
Interface *RefIF,
uchar *File,
uint Line
);
uint
DbgDereferenceIF (
Interface *DerefIF,
uchar *File,
uint Line
);
uint
DbgLockedDereferenceIF (
Interface *DerefIF,
uchar *File,
uint Line
);
#define LOCKED_REFERENCE_IF(_a) DbgLockedReferenceIF((_a), __FILE__, __LINE__)
#define LOCKED_DEREFERENCE_IF(_a) DbgLockedDereferenceIF((_a), __FILE__, __LINE__)
#define DEREFERENCE_IF(_a) DbgDereferenceIF((_a), __FILE__, __LINE__)
#else // IF_REFERENCE_DEBUG
#define LOCKED_REFERENCE_IF(_a) ++(_a)->if_refcount
#define LOCKED_DEREFERENCE_IF(_a) --(_a)->if_refcount
#define DEREFERENCE_IF(_a) \
CTEInterlockedAddUlong((PULONG)&(_a)->if_refcount, (ULONG) -1, &RouteTableLock.Lock);
#endif // IF_REFERENCE_DEBUG
// Bit values for if_iftype
//
#define DONT_ALLOW_UCAST 0x01
#define DONT_ALLOW_MCAST 0x02
// value for invalid interface context
//
#define INVALID_INTERFACE_CONTEXT 0xffff
// specs for speed order
//
#define FIRST_ORDER_METRIC 10 //metric for speed > 200M
#define FIRST_ORDER_SPEED 200000000
#define SECOND_ORDER_METRIC 20 //metric for 20M < speed <=200M
#define SECOND_ORDER_SPEED 20000000
#define THIRD_ORDER_METRIC 30 //metric for 4M < speed <=20M
#define THIRD_ORDER_SPEED 4000000
#define FOURTH_ORDER_METRIC 40 //metric for 500K < speed <=4M
#define FOURTH_ORDER_SPEED 500000
#define FIFTH_ORDER_METRIC 50 //metric for speed <= 500K
/*NOINC*/
extern void DerefIF(Interface *IF);
extern void LockedDerefIF(Interface *IF);
/*INC*/
extern void DerefLink(LinkEntry *Link);
extern CTEBlockStruc TcpipUnloadBlock;
extern BOOLEAN fRouteTimerStopping;
typedef struct NdisResEntry {
struct NdisResEntry *nre_next;
NDIS_HANDLE nre_handle;
uchar *nre_buffer;
} NdisResEntry;
// macro to check that interface is not shutting down.
#define IS_IF_INVALID( _interface ) \
((_interface)->if_flags & (IF_FLAGS_DELETING | IF_FLAGS_POWER_DOWN))
#if !MILLEN
// No bind or export prefixes on Millennium.
//
#define TCP_EXPORT_STRING_PREFIX L"\\DEVICE\\TCPIP_"
#define TCP_BIND_STRING_PREFIX L"\\DEVICE\\"
#endif // !MILLEN
// Structure of a reassembly buffer descriptor. Each RBD describes a
// fragment of the total datagram.
//
typedef struct RABufDesc {
IPRcvBuf rbd_buf; // IP receive buffer for this fragment.
ushort rbd_start; // Offset of first byte of this fragment.
ushort rbd_end; // Offset of last byte of this fragment.
int rbd_AllocSize;
} RABufDesc;
// Reassembly header. The includes the information needed for the lookup,
// as well as space for the received header and a chain of reassembly
// buffer descriptors.
//
typedef struct ReassemblyHeader {
struct ReassemblyHeader *rh_next; // Next header in chain.
IPAddr rh_dest; // Destination address of fragment.
IPAddr rh_src; // Source address of fragment.
ushort rh_id; // ID of datagram.
uchar rh_protocol; // Protocol of datagram.
uchar rh_ttl; // Remaining time of datagram.
RABufDesc *rh_rbd; // Chain of RBDs for this datagram.
ushort rh_datasize; // Total size of data.
ushort rh_datarcvd; // Amount of data received so far.
ushort rh_headersize; // Size in bytes of header.
ushort rh_numoverlaps; // for fragment attack detection.
uchar rh_header[MAX_HDR_SIZE+8]; // Saved IP header of
// first fragment.
} ReassemblyHeader;
//
// Maximum icmp error payload size.
//
#define MAX_ICMP_PAYLOAD_SIZE 128
// ICMP type and code definitions
#define IP_DEST_UNREACH_BASE IP_DEST_NET_UNREACHABLE
#define ICMP_REDIRECT 5 // Redirect
#define ADDR_MASK_REQUEST 17 // Address mask request
#define ADDR_MASK_REPLY 18
#define ICMP_DEST_UNREACH 3 // Destination unreachable
#define ICMP_TIME_EXCEED 11 // Time exceeded during reassembly
#define ICMP_PARAM_PROBLEM 12 // Parameter problem
#define ICMP_SOURCE_QUENCH 4 // Source quench
#define ICMP_ROUTER_ADVERTISEMENT 9 // Router Advertisement
#define ICMP_ROUTER_SOLICITATION 10 // Router Solicitation
#define NET_UNREACH 0
#define HOST_UNREACH 1
#define PROT_UNREACH 2
#define PORT_UNREACH 3
#define FRAG_NEEDED 4
#define SR_FAILED 5
#define DEST_NET_UNKNOWN 6
#define DEST_HOST_UNKNOWN 7
#define SRC_ISOLATED 8
#define DEST_NET_ADMIN 9
#define DEST_HOST_ADMIN 10
#define NET_UNREACH_TOS 11
#define HOST_UNREACH_TOS 12
#define TTL_IN_TRANSIT 0 // TTL expired in transit
#define TTL_IN_REASSEM 1 // Time exceeded in reassembly
#define PTR_VALID 0
#define REQ_OPTION_MISSING 1
#define REDIRECT_NET 0
#define REDIRECT_HOST 1
#define REDIRECT_NET_TOS 2
#define REDIRECT_HOST_TOS 3
// Flags for set and delete route
//
#define RT_REFCOUNT 0x01
#define RT_NO_NOTIFY 0x02
#define RT_EXCLUDE_LOCAL 0x04
extern uint DHCPActivityCount;
extern IP_STATUS SetIFContext(uint Index, INTERFACE_CONTEXT *Context, IPAddr NextHop);
extern IP_STATUS SetFirewallHook(PIP_SET_FIREWALL_HOOK_INFO pFirewallHookInfo);
extern IP_STATUS SetFilterPtr(IPPacketFilterPtr FilterPtr);
extern IP_STATUS SetMapRoutePtr(IPMapRouteToInterfacePtr MapRoutePtr);
#if FFP_SUPPORT
extern void IPFlushFFPCaches(void);
extern void IPSetInFFPCaches(struct IPHeader UNALIGNED *PacketHeader,
uchar *Packet, uint PacketLength,
ulong CacheEntryType);
extern void IPStatsFromFFPCaches(FFPDriverStats *pCumulStats);
#endif // if FFP_SUPPORT
//
// All IP externs in one place
//
extern void __stdcall IPRcv(void *, void *, uint, uint, NDIS_HANDLE, uint, uint, void *);
extern void __stdcall IPRcvPacket(void *, void *, uint, uint, NDIS_HANDLE,
uint, uint,uint,PNDIS_BUFFER, uint *, void *);
extern void __stdcall IPTDComplete(void *, PNDIS_PACKET, NDIS_STATUS, uint);
extern void __stdcall IPSendComplete(void *, PNDIS_PACKET, NDIS_STATUS);
extern void __stdcall IPStatus(void *, uint, void *, uint, void *);
extern void __stdcall IPRcvComplete(void);
extern void __stdcall IPAddAddrComplete( IPAddr, void *, IP_STATUS );
extern void __stdcall IPBindAdapter(PNDIS_STATUS RetStatus,
NDIS_HANDLE BindContext,
PNDIS_STRING AdapterName,
PVOID SS1, PVOID SS2);
extern NTSTATUS GetLLInterfaceValue(NDIS_HANDLE Handle,
PNDIS_STRING valueString);
extern void __stdcall ARPBindAdapter(PNDIS_STATUS RetStatus,
NDIS_HANDLE BindContext,
PNDIS_STRING AdapterName,
PVOID SS1, PVOID SS2);
EXTERNAL_LOCK(ArpModuleLock)
//
// List to keep all the registered Arp modules.
//
LIST_ENTRY ArpModuleList;
//
// The actual structure which links into the above list
//
typedef struct _ARP_MODULE {
LIST_ENTRY Linkage;
LONG ReferenceCount;
CTEBlockStruc Block;
ARP_BIND BindHandler; // pointer to ARP bind handler
NDIS_STRING Name; // the unicode string buffer is
// located at the end of this structure
} ARP_MODULE, *PARP_MODULE;
#ifdef POOL_TAGGING
#ifdef ExAllocatePool
#undef ExAllocatePool
#endif
#define ExAllocatePool(type, size) ExAllocatePoolWithTag(type, size, 'iPCT')
#ifndef CTEAllocMem
#error "CTEAllocMem is not already defined - will override tagging"
#else
#undef CTEAllocMem
#endif
#if MILLEN
#define CTEAllocMem(size) \
ExAllocatePoolWithTag(NonPagedPool, size, 'tPCT')
#define CTEAllocMemN(size,tag) \
ExAllocatePoolWithTag(NonPagedPool, size, tag)
#else // MILLEN
#define CTEAllocMem(size) \
ExAllocatePoolWithTagPriority(NonPagedPool, size, 'tPCT', \
NormalPoolPriority)
#define CTEAllocMemN(size,tag) \
ExAllocatePoolWithTagPriority(NonPagedPool, size, tag, NormalPoolPriority)
#endif // !MILLEN
#define CTEAllocMemBoot(size) \
ExAllocatePoolWithTag(NonPagedPool, size, 'iPCT')
#define CTEAllocMemNBoot(size,tag) \
ExAllocatePoolWithTag(NonPagedPool, size, tag)
#endif // POOL_TAGGING
//* Change notification structure.
//
extern void AddChangeNotifyCancel(PDEVICE_OBJECT pDevice, PIRP pIrp);
#if MILLEN
extern void AddChangeNotify(IPAddr Addr, IPMask Mask, void *Context,
ushort IPContext, PNDIS_STRING ConfigName,
PNDIS_STRING IFName, uint Added,
uint UniAddr);
#else // MILLEN
extern void AddChangeNotify(ulong Add);
#endif // !MILLEN
EXTERNAL_LOCK(AddChangeLock)
extern void ChangeNotify(IPNotifyOutput *, PLIST_ENTRY, PVOID);
extern void CancelNotify(PIRP, PLIST_ENTRY, PVOID);
extern BOOLEAN CancelNotifyByContext(PFILE_OBJECT, PVOID, PLIST_ENTRY,
PVOID);
extern LIST_ENTRY AddChangeNotifyQueue;
#if MILLEN
EXTERNAL_LOCK(IfChangeLock)
extern LIST_ENTRY IfChangeNotifyQueue;
#endif // MILLEN
#define NO_SR 0
//* Routine for TCP checksum. This is defined as call through a function
// pointer which is set to point at the optimal routine for this processor
//
typedef ULONG (*TCPXSUM_ROUTINE) (ULONG Checksum, PUCHAR Source, ULONG Length);
extern TCPXSUM_ROUTINE tcpxsum_routine;
extern ushort XsumRcvBuf(uint PHXsum, IPRcvBuf *BufChain);
#define xsum(Buffer, Length) \
((ushort) tcpxsum_routine(0, (PUCHAR) (Buffer), (Length)))
//
// VOID
// MARK_REQUEST_PENDING(
// IN PREQUEST Request
// );
//
// Marks that a request will pend.
//
#define MARK_REQUEST_PENDING(_Request) \
IoMarkIrpPending(_Request)
//
// VOID
// UNMARK_REQUEST_PENDING(
// IN PREQUEST Request
// );
//
// Marks that a request will not pend.
//
#define UNMARK_REQUEST_PENDING(_Request) \
(((IoGetCurrentIrpStackLocation(_Request))->Control) &= ~SL_PENDING_RETURNED)
typedef struct _MediaSenseNotifyEvent {
CTEEvent Event;
uint Status;
NDIS_STRING devname;
} MediaSenseNotifyEvent;
typedef struct _AddStaticAddrEvent {
CTEEvent Event;
Interface *IF;
NDIS_STRING ConfigName;
} AddStaticAddrEvent;
typedef struct _IPResetEvent {
CTEEvent Event;
Interface *IF;
} IPResetEvent;
//
// Debugging macros
//
#if DBG
extern ULONG IPDebug;
#define IP_DEBUG_GPC 0x00000001
#define IP_DEBUG_ADDRESS 0x00000002
#define IF_IPDBG(flag) if (IPDebug & flag)
#define TCPTRACE(many_args) DbgPrint many_args
#else // DBG
#define IF_IPDBG(flag) if (0)
#define TCPTRACE(many_args)
#endif // !DBG
extern PNDIS_BUFFER FreeIPPacket(PNDIS_PACKET Packet, BOOLEAN FixHdrs,
IP_STATUS Status);
extern void *IPRegisterProtocol(uchar Protocol, void *RcvHandler,
void *XmitHandler, void *StatusHandler,
void *RcvCmpltHandler, void *PnPHandler,
void *ElistHandler);
//
// IPSec dummy functions to prevent IPSec unload complications
//
IPSEC_ACTION
IPSecHandlePacketDummy(
IN PUCHAR pIPHeader,
IN PVOID pData,
IN PVOID IPContext,
IN PNDIS_PACKET Packet,
IN OUT PULONG pExtraBytes,
IN OUT PULONG pMTU,
OUT PVOID *pNewData,
IN OUT PULONG IpsecFlags,
IN UCHAR DestinationType
);
BOOLEAN
IPSecQueryStatusDummy(
IN CLASSIFICATION_HANDLE GpcHandle
);
VOID
IPSecSendCompleteDummy(
IN PNDIS_PACKET Packet,
IN PVOID pData,
IN PIPSEC_SEND_COMPLETE_CONTEXT pContext,
IN IP_STATUS Status,
OUT PVOID *ppNewData
);
NTSTATUS
IPSecNdisStatusDummy(
IN PVOID IPContext,
IN UINT Status
);
IPSEC_ACTION
IPSecRcvFWPacketDummy(
IN PCHAR pIPHeader,
IN PVOID pData,
IN UINT DataLength,
IN UCHAR DestType
);
#define NET_TABLE_HASH(x) ( ( (((uchar *)&(x))[0]) + (((uchar *)&(x))[1]) + \
(((uchar *)&(x))[2]) + (((uchar *)&(x))[3]) ) \
& (NET_TABLE_SIZE-1))
uchar IPGetAddrType(IPAddr Address);
// Global IP ID.
typedef struct CACHE_ALIGN _IPID_CACHE_LINE {
ulong Value;
} IPID_CACHE_LINE;
#if !MILLEN
#define SET_CANCEL_CONTEXT(irp, DestIF) \
if (irp) { \
((PIRP)irp)->Tail.Overlay.DriverContext[0] = DestIF; \
}
#define SET_CANCELID(irp, Packet) \
if (irp) { \
NdisSetPacketCancelId(Packet, ((PIRP)irp)->Tail.Overlay.DriverContext[1]); \
}
#else // !MILLEN
#define SET_CANCEL_CONTEXT(irp, DestIF) ((VOID)0)
#define SET_CANCELID(irp, Packet) ((VOID)0)
#endif // !MILLEN
#define PACKET_GROW_COUNT 46
#define SMALL_POOL PACKET_GROW_COUNT*500
#define MEDIUM_POOL PACKET_GROW_COUNT*750
#define LARGE_POOL PACKET_GROW_COUNT*1280 // Note that packet pool can have max 64K packets
#endif