mirror of
https://github.com/reactos/reactos.git
synced 2024-07-02 02:34:53 +00:00
109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/*
|
|
* COPYRIGHT: See COPYING in the top level directory
|
|
* PROJECT: ReactOS TCP/IP protocol driver
|
|
* FILE: include/neighbor.h
|
|
* PURPOSE: Neighbor definitions
|
|
*/
|
|
#ifndef __NEIGHBOR_H
|
|
#define __NEIGHBOR_H
|
|
|
|
|
|
#define NB_HASHMASK 0xF /* Hash mask for neighbor cache */
|
|
|
|
typedef VOID (*PNEIGHBOR_PACKET_COMPLETE)
|
|
( PVOID Context, PNDIS_PACKET Packet, NDIS_STATUS Status );
|
|
|
|
typedef struct _NEIGHBOR_PACKET {
|
|
LIST_ENTRY Next;
|
|
PNDIS_PACKET Packet;
|
|
PNEIGHBOR_PACKET_COMPLETE Complete;
|
|
PVOID Context;
|
|
} NEIGHBOR_PACKET, *PNEIGHBOR_PACKET;
|
|
|
|
typedef struct NEIGHBOR_CACHE_TABLE {
|
|
struct NEIGHBOR_CACHE_ENTRY *Cache; /* Pointer to cache */
|
|
KSPIN_LOCK Lock; /* Protecting lock */
|
|
} NEIGHBOR_CACHE_TABLE, *PNEIGHBOR_CACHE_TABLE;
|
|
|
|
/* Information about a neighbor */
|
|
typedef struct NEIGHBOR_CACHE_ENTRY {
|
|
struct NEIGHBOR_CACHE_ENTRY *Next; /* Pointer to next entry */
|
|
UCHAR State; /* State of NCE */
|
|
UINT EventTimer; /* Ticks since last event */
|
|
UINT EventCount; /* Number of events */
|
|
PIP_INTERFACE Interface; /* Pointer to interface */
|
|
UINT LinkAddressLength; /* Length of link address */
|
|
PVOID LinkAddress; /* Pointer to link address */
|
|
IP_ADDRESS Address; /* IP address of neighbor */
|
|
LIST_ENTRY PacketQueue; /* Packet queue */
|
|
} NEIGHBOR_CACHE_ENTRY, *PNEIGHBOR_CACHE_ENTRY;
|
|
|
|
/* NCE states */
|
|
#define NUD_INCOMPLETE 0x01
|
|
#define NUD_PERMANENT 0x02
|
|
#define NUD_STALE 0x04
|
|
|
|
/* Number of seconds between ARP transmissions */
|
|
#define ARP_RATE 900
|
|
|
|
/* Number of seconds before the NCE times out */
|
|
#define ARP_TIMEOUT ARP_RATE + 15
|
|
|
|
/* Number of seconds before retransmission */
|
|
#define ARP_TIMEOUT_RETRANSMISSION 5
|
|
|
|
extern NEIGHBOR_CACHE_TABLE NeighborCache[NB_HASHMASK + 1];
|
|
|
|
|
|
VOID NBTimeout(
|
|
VOID);
|
|
|
|
VOID NBStartup(
|
|
VOID);
|
|
|
|
VOID NBShutdown(
|
|
VOID);
|
|
|
|
VOID NBSendSolicit(
|
|
PNEIGHBOR_CACHE_ENTRY NCE);
|
|
|
|
PNEIGHBOR_CACHE_ENTRY NBAddNeighbor(
|
|
PIP_INTERFACE Interface,
|
|
PIP_ADDRESS Address,
|
|
PVOID LinkAddress,
|
|
UINT LinkAddressLength,
|
|
UCHAR Type,
|
|
UINT EventTimer);
|
|
|
|
VOID NBUpdateNeighbor(
|
|
PNEIGHBOR_CACHE_ENTRY NCE,
|
|
PVOID LinkAddress,
|
|
UCHAR State);
|
|
|
|
PNEIGHBOR_CACHE_ENTRY NBLocateNeighbor(
|
|
PIP_ADDRESS Address);
|
|
|
|
PNEIGHBOR_CACHE_ENTRY NBFindOrCreateNeighbor(
|
|
PIP_INTERFACE Interface,
|
|
PIP_ADDRESS Address);
|
|
|
|
BOOLEAN NBQueuePacket(
|
|
PNEIGHBOR_CACHE_ENTRY NCE,
|
|
PNDIS_PACKET NdisPacket,
|
|
PNEIGHBOR_PACKET_COMPLETE PacketComplete,
|
|
PVOID PacketContext);
|
|
|
|
VOID NBRemoveNeighbor(
|
|
PNEIGHBOR_CACHE_ENTRY NCE);
|
|
|
|
ULONG NBCopyNeighbors(
|
|
PIP_INTERFACE Interface,
|
|
PIPARP_ENTRY ArpTable);
|
|
|
|
VOID NBResetNeighborTimeout(
|
|
PIP_ADDRESS Address);
|
|
|
|
#endif /* __NEIGHBOR_H */
|
|
|
|
/* EOF */
|