Unit ARP

Return to Unit Reference

Description

---

To be documented

Constants

---

[Expand]

ARP specific constants ARP_TRANSPORT_*, RARP_TRANSPORT_*

ARP_TRANSPORT_NAME = 'ARP';
RARP_TRANSPORT_NAME = 'RARP';

[Expand]

ARP and RARP constants MIN_*, MAX_*, ARP_*, RARP_*

MIN_ARP_PACKET = 46;	Not Counting Adapter Header
MAX_ARP_PACKET = 46;	Not Counting Adapter Header
ARP_TIMEOUT = 1000;	We wait for 1 second approx for reply
ARP_RETRIES = 4;	We try the request 4 times
RARP_TIMEOUT = 4000;	We wait for 4 seconds for a RARP reply
RARP_RETRIES = 4;	We try the request 4 times
ARP_HEADER_SIZE = 46;	SizeOf(TARPHeader);
RARP_HEADER_SIZE = 46;	SizeOf(TRARPHeader);

[Expand]

ARP and RARP messages ARP_*, RARP_*, INARP_*

ARP_REQUEST = $0001;	ARP/RARP op codes, Request
ARP_REPLY = $0002;	ARP/RARP op codes, Reply
RARP_REQUEST = $0003;
RARP_REPLY = $0004;
INARP_REQUEST = $0008;	Inverse ARP see RFC 1293
INARP_REPLY = $0009;

Type definitions

---

To be documented

Public variables

---

To be documented

Function declarations

---

Initialization functions

[Expand]

procedure ARPInit;

Description: To be documented

Note	None documented

ARP functions

[Expand]

function CheckARP(ABuffer:Pointer):Boolean;

Description: Verify that the packet is a valid ARP packet

Buffer	Buffer points to the complete packet without Adapter header

[Expand]

function CheckRARP(ABuffer:Pointer):Boolean;

Description: Verify that the packet is a valid RARP packet

Buffer	Buffer points to the complete packet without Adapter header

Return to Unit Reference