Unit Protocol
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Description
To be documented
Constants
Protocol specific constants 
 PROTOCOL_*  PROTOCOL_THREAD_NAME = 'Network Protocol';
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Thread name for Network protocol threads | 
 PROTOCOL_THREAD_PRIORITY = THREAD_PRIORITY_HIGHER;
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Thread priority for Network protocol threads | 
 
Protocol Timer constants 
 SOCKET_TIMER_*  SOCKET_TIMER_KEY_NONE = TIMER_KEY_NONE;
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 SOCKET_TIMER_KEY_MAX = TIMER_KEY_MAX;
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 SOCKET_TIMER_KEY_MIN = TIMER_KEY_MIN;
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ICMP header type constants 
 ICMP_*  ICMP_ECHOREPLY = 0;
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echo reply | 
 ICMP_UNREACH = 3;
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dest unreachable | 
 ICMP_SOURCEQUENCH = 4;
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packet lost, slow down | 
 ICMP_REDIRECT = 5;
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shorter route | 
 ICMP_ECHO = 8;
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echo service | 
 ICMP_ROUTERADVERT = 9;
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router advertisement | 
 ICMP_ROUTERSOLICIT = 10;
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router solicitation | 
 ICMP_TIMXCEED = 11;
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time exceeded | 
 ICMP_PARAMPROB = 12;
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ip header bad | 
 ICMP_TSTAMP = 13;
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timestamp request | 
 ICMP_TSTAMPREPLY = 14;
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timestamp reply | 
 ICMP_IREQ = 15;
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information request | 
 ICMP_IREQREPLY = 16;
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information reply | 
 ICMP_MASKREQ = 17;
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address mask request | 
 ICMP_MASKREPLY = 18;
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address mask reply | 
 
ICMP header code constants 
 ICMP_UNREACH_*  ICMP_UNREACH_NET = 0;
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bad net | 
 ICMP_UNREACH_HOST = 1;
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bad host | 
 ICMP_UNREACH_PROTOCOL = 2;
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bad protocol | 
 ICMP_UNREACH_PORT = 3;
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bad port | 
 ICMP_UNREACH_NEEDFRAG = 4;
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IP_DF caused drop | 
 ICMP_UNREACH_SRCFAIL = 5;
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src route failed | 
 ICMP_UNREACH_NET_UNKNOWN = 6;
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unknown net | 
 ICMP_UNREACH_HOST_UNKNOWN = 7;
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unknown host | 
 ICMP_UNREACH_ISOLATED = 8;
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src host isolated | 
 ICMP_UNREACH_NET_PROHIB = 9;
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prohibited access | 
 ICMP_UNREACH_HOST_PROHIB = 10;
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ditto | 
 ICMP_UNREACH_TOSNET = 11;
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bad tos for net | 
 ICMP_UNREACH_TOSHOST = 12;
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bad tos for host | 
 ICMP_UNREACH_FILTER_PROHIB = 13;
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admin prohib | 
 ICMP_UNREACH_HOST_PRECEDENCE = 14;
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host prec vio. | 
 ICMP_UNREACH_PRECEDENCE_CUTOFF = 15;
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prec cutoff | 
 ICMP_REDIRECT_NET = 0;
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for network | 
 ICMP_REDIRECT_HOST = 1;
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for host | 
 ICMP_REDIRECT_TOSNET = 2;
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for tos and net | 
 ICMP_REDIRECT_TOSHOST = 3;
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for tos and host | 
 ICMP_TIMXCEED_INTRANS  = 0;
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ttl=0 in transit | 
 ICMP_TIMXCEED_REASS = 1;
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ttl=0 in reassembly | 
 ICMP_PARAMPROB_OPTABSENT = 1;
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req. opt. absent | 
 
IGMP header type constants 
 IGMP_*  IGMP_VERSION = 2;
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 IGMP_QUERY = $0011;
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 IGMP_REPORTV1 = $0012;
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 IGMP_REPORTV2 = $0016;
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 IGMP_LEAVE = $0017;
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Type definitions
To be documented
Public variables
To be documented
Function declarations
Initialization functions
procedure ProtocolInit;
Description: To be documented
| Note | None documented | 
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function ProtocolStart:LongWord;
Description: To be documented
| Note | None documented | 
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function ProtocolStop:LongWord;
Description: To be documented
| Note | None documented | 
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Protocol helper functions
procedure ProtocolCheckTimer(Data:Pointer);
Description: To be documented
| Note | None documented | 
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