reactos/drivers/network/tcpip/include/neighbor.h
Cameron Gutman 2b82fe44ea [WLAN-BRINGUP]
- Create a branch to drop my ndisuio work

svn path=/branches/wlan-bringup/; revision=54809
2012-01-02 20:53:24 +00:00

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
*/
#pragma once
#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
/* Timeout for incomplete NCE ARP requests */
#define ARP_INCOMPLETE_TIMEOUT 5
/* Number of seconds between ARP transmissions */
#define ARP_RATE 900
/* Number of seconds before the NCE times out */
#define ARP_COMPLETE_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);
/* EOF */