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Description
Ultibo IPv6 (Internet Protocol version 6) unit
To be documented
Constants
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IPv6 specific constants IP6_TRANSPORT_*
IP6_TRANSPORT_NAME = 'IPV6';
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IP6 constants IP6_HEADER_*
MIN_IP6_PACKET = 40;
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Not Counting Adapter Header
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MAX_IP6_PACKET = 1500;
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Not Counting Adapter Header
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MAX_FRAG_LIFE = 32000;
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Only wait 32 seconds for the rest of the packet
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IP6_HEADER_SIZE = 40;
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SizeOf(TIP6Header); Does Not Allow for Extensions
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IP6 extension header constants IP6_HEADER_*
| See: https://en.wikipedia.org/wiki/List_of_IP_protocol_numbers
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IP6_HEADER_HOP = 0;
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Hop-by-hop option header
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IP6_HEADER_TCP = 6;
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Next header is a TCP segment (The payload)
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IP6_HEADER_UDP = 17;
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Next header is a UDP message (The payload)
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IP6_HEADER_IPV6 = 41;
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Next header is a IPv6 packet (IPv6 Encapsulation) (The payload)
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IP6_HEADER_ROUTING = 43;
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Next header is a Routing header
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IP6_HEADER_FRAGMENT = 44;
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Next header is a Fragmentation/reassembly header
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IP6_HEADER_GRE = 47;
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Next header is a GRE header
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IP6_HEADER_ESP = 50;
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Next header is a Encapsulating security payload
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IP6_HEADER_AUTH = 51;
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Next header is a Authentication header
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IP6_HEADER_ICMP = 58;
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Next header is a ICMP for IPv6 message
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IP6_HEADER_NONE = 59;
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There is no next header (Do not process payload)
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IP6_HEADER_DEST = 60;
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Next header is a Destination options header
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IP6_HEADER_SCTP = 132;
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Next header is a SCTP message (The payload)
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IP6_HEADER_MOBILITY = 135;
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Next header is a Mobility header
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IP6_MTU = MAX_IP6_PACKET;
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Type definitions
To be documented
Public variables
None defined
Function declarations
Initialization functions
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procedure IP6Init;
Description: To be documented
IPv6 functions
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function CheckIP6(ABuffer:Pointer):Boolean;
Description: Verify that the packet is a valid IP6 packet
| Buffer
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Complete packet without Adapter header
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function GetIP6Protocol(ABuffer:Pointer):Byte;
Description: To be documented
| Buffer
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Complete packet including Transport header
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function GetIP6HeaderOffset(ABuffer:Pointer):Word;
Description: Return Start of the IP6 Header (Start of Packet)
| Buffer
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Complete packet including Transport header
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function GetIP6HeaderLength(ABuffer:Pointer):Word;
Description: Return Size of IP6 Header (Including Options)
| Buffer
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Complete packet including Transport header
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function GetIP6DataOffset(ABuffer:Pointer):Word;
Description: Return Start of IP6 Packet Data (Length of IP6 Header)
| Buffer
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Complete packet including Transport header
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function GetIP6DataLength(ABuffer:Pointer):Word;
Description: Return Size of IP6 Packet Data (IP6 TotalLength - IP6 Header)
| Buffer
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Complete packet including Transport header
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function ChecksumIP6(ABuffer:Pointer; AOffset,ALength:Word):Word;
Description: Validate the IP6 Header and Options Checksum on Receive
| Buffer
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Complete packet including Transport header
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