Difference between revisions of "Unit IP"

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=== Description ===
 
=== Description ===
 
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----
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'''Ultibo IP (Internet Protocol) unit'''
  
 
''To be documented''
 
''To be documented''
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----
 
----
  
−
''To be documented''
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
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<div style="font-size: 14px; padding-left: 12px;">'''IP specific constants''' <code> IP_TRANSPORT_NAME* </code></div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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| <code>IP_TRANSPORT_NAME = 'IP';</code>
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| style="width: 50%;"|&nbsp;
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|-
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|}
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</div></div>
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
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<div style="font-size: 14px; padding-left: 12px;">'''IP constants''' <code> IP_*_SIZE </code></div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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| <code>MIN_IP_PACKET = 20;</code>
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| Not Counting Adapter Header
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|-
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| <code>MAX_IP_PACKET = 65536;</code>
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| Not Counting Adapter Header
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>MAX_FRAG_LIFE = 32000;</code>
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| Only wait 32 seconds for the rest of the packet
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>IP_HEADER_SIZE = 20;</code>
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| SizeOf(TIPHeader); (Does Not Allow for Options)
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|-
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| <code>IP_OPTIONS_SIZE = 40;</code>
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| Maximum Allowed Options
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|-
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| <code>IP_PSEUDO_SIZE = 12;</code>
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| SizeOf(TPseudoHeader);
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>IP_PACKET_SIZE = 56;</code>
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| SizeOf(TIPPacket); (Previously 46)
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|-
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| <code>IP_FRAGMENT_SIZE = 12;</code>
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| SizeOf(TIPFragment);
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|-
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|}
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</div></div>
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
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<div style="font-size: 14px; padding-left: 12px;">'''IP header flags / fragment offset constants''' <code> IP_* </code></div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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| <code>IP_CE = $8000;</code>
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| Congestion Experienced
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|-
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| <code>IP_DF = $4000;</code>
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| 1 = Don't Fragment 0 = May Fragment
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|-
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| <code>IP_MF = $2000;</code>
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| 1 = More Fragments 0 = Last Fragment
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|-
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| <code>IP_OFFMASK = $1FFF;</code>
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| Fragment Offset Mask
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|-
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|}
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</div></div>
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
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<div style="font-size: 14px; padding-left: 12px;">'''IP header option constants''' <code> IPOPT_* </code></div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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| <code>IPOPT_EOL = 0;</code>
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| end-of-option list
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|-
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| <code>IPOPT_NOP = 1;</code>
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| no-operation
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|-
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| <code>IPOPT_RR = 7;</code>
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| record packet route
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|-
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| <code>IPOPT_TS = 68;</code>
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| timestamp
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|-
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| <code>IPOPT_SECURITY = 130;</code>
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| provide s,c,h,tcc
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|-
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| <code>IPOPT_LSRR = 131;</code>
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| loose source route
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|-
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| <code>IPOPT_SATID = 136;</code>
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| satnet id
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|-
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| <code>IPOPT_SSRR = 137;</code>
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| strict source route
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|-
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| <code>IPOPT_RA = 148;</code>
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| router alert
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|-
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|}
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</div></div>
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
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<div style="font-size: 14px; padding-left: 12px;">'''IP offset option constants''' <code> IPOPT_OFFSET* </code></div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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|colspan="2"|Offsets to fields in IP Options other than EOL and NOP
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>IPOPT_OPTVAL = 0;</code>
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| option ID
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|-
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| <code>IPOPT_OLEN = 1;</code>
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| option length
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|-
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| <code>IPOPT_OFFSET = 2;</code>
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| offset within option
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|-
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| <code>IPOPT_MINOFF = 4;</code>
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| min value of above
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|-
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|}
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</div></div>
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
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<div style="font-size: 14px; padding-left: 12px;">'''IP TS flag option constants''' <code> IPOPT_TS_* </code></div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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|colspan="2"|Flags for IPOPT_TS Flags
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>IPOPT_TS_TSONLY = 0;</code>
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| timestamps only
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|-
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| <code>IPOPT_TS_TSANDADDR = 1;</code>
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| timestamps and addresses
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|-
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| <code>IPOPT_TS_PRESPEC = 3;</code>
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| specified modules only
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|-
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|}
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</div></div>
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
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<div style="font-size: 14px; padding-left: 12px;">'''IP security flag constants''' <code> IPOPT_SECUR_* </code></div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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|colspan="2"|Flags for IPOPT_SECURITY Flags (Network Order)
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>IPOPT_SECUR_UNCLASS = $0000;</code>
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| style="width: 50%;"|&nbsp;
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|-
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| <code>IPOPT_SECUR_CONFID = $F135;</code>
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| &nbsp;
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|-
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| <code>IPOPT_SECUR_EFTO = $789A;</code>
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| &nbsp;
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|-
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| <code>IPOPT_SECUR_MMMM = $BC4D;</code>
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| &nbsp;
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|-
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| <code>IPOPT_SECUR_RESTR = $AF13;</code>
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| &nbsp;
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|-
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| <code>IPOPT_SECUR_SECRET = $D788;</code>
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| &nbsp;
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|-
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| <code>IPOPT_SECUR_TOPSECRET = $6BC5;</code>
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| &nbsp;
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|-
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|}
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</div></div>
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<br />
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
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<div style="font-size: 14px; padding-left: 12px;">'''IP type of service constants''' <code> IPTOS_* </code></div>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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| <code>IPTOS_LOWDELAY = $10;</code>
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| style="width: 50%;"|&nbsp;
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|-
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| <code>IPTOS_THROUGHPUT = $08;</code>
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| &nbsp;
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|-
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| <code>IPTOS_RELIABILITY = $04;</code>
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| &nbsp;
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|-
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| <code>IPTOS_MINCOST = $02;</code>
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| &nbsp;
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|-
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|}
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</div></div>
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<br />
  
 
=== Type definitions ===
 
=== Type definitions ===

Revision as of 06:01, 21 December 2016

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Description

Ultibo IP (Internet Protocol) unit

To be documented

Constants


[Expand]
IP specific constants IP_TRANSPORT_NAME*


[Expand]
IP constants IP_*_SIZE


[Expand]
IP header flags / fragment offset constants IP_*


[Expand]
IP header option constants IPOPT_*


[Expand]
IP offset option constants IPOPT_OFFSET*


[Expand]
IP TS flag option constants IPOPT_TS_*


[Expand]
IP security flag constants IPOPT_SECUR_*


[Expand]
IP type of service constants IPTOS_*


Type definitions

To be documented

Public variables

To be documented

Function declarations


Initialization functions

[Expand] 
procedure IPInit;
Description: To be documented


IP functions

[Expand] 
function CheckIP(ABuffer:Pointer):Boolean;
Description: Verify that the packet is a valid IP packet


[Expand] 
function GetIPHeaderOffset(ABuffer:Pointer):Word;
Description: Return Start of the IP Header (Start of Packet)


[Expand] 
function GetIPHeaderLength(ABuffer:Pointer):Word;
Description: Return Size of IP Header (Including Options)


[Expand] 
function GetIPOptionsLength(ABuffer:Pointer):Word;
Description: Return Size of IP Options (Header - IP_HEADER_SIZE)


[Expand] 
function GetIPDataOffset(ABuffer:Pointer):Word;
Description: Return Start of IP Packet Data (Length of IP Header)


[Expand] 
function GetIPDataLength(ABuffer:Pointer):Word;
Description: Return Size of IP Packet Data (IP TotalLength - IP Header)


[Expand] 
function ChecksumIPRecv(ABuffer:Pointer; AOffset,ALength:Word):Word;
Description: Validate the IP Header and Options Checksum on Receive


[Expand] 
function ChecksumIPSend(AHeader,AOptions:Pointer; ALength:Word):Word;
Description: Checksum the IP Header and Options on Send


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