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gsup: Document ePDG Tunnel Req/Res/Err 

Related: OS#6091
Change-Id: I9d98d0fbb2d4d006bc980b40828ea38f358d7108
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Pau Espin 2024-03-14 17:33:28 +01:00
parent 970346666e
commit ce32ec2ab7
1 changed files with 50 additions and 0 deletions
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common/chapters/gsup.adoc
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@ -1088,6 +1088,53 @@ Direction: GSUP Server (HLR) => GSUP Client (MSC)
|31|Session State|<<gsup-ie-session-state>>|O|TLV|3
|===
[[gsup-msg-epdg-tunnel-req]]
==== ePDG Tunnel Request
Direction: GSUP Client (strongswan) => GSUP Server (ePDG)
[options="header",cols="5%,45%,20%,10%,10%,10%"]
|===
|IEI|IE|Type|Presence|Format|Length
| |Message Type|<<gsup-ie-msgtype>>|M|V|1
|01|IMSI|<<gsup-ie-imsi>>|M|TLV|2-10
|0a|Message Class|<<gsup-ie-message-class>>|M|TLV|3
|15|PCO|<<gsup-ie-pco>>|O|TLV|1-...
|28|CN Domain|<<gsup-ie-cndomain>>|O|TLV|3
|60|Source Name|<<gsup-ie-source-name>>|O|TLV|2-...
|===
[[gsup-msg-epdg-tunnel-err]]
==== ePDG Tunnel Error
Direction: GSUP Server (ePDG) => GSUP Client (strongswan)
[options="header",cols="5%,45%,20%,10%,10%,10%"]
|===
|IEI|IE|Type|Presence|Format|Length
| |Message Type|<<gsup-ie-msgtype>>|M|V|1
|01|IMSI|<<gsup-ie-imsi>>|M|TLV|2-10
|0a|Message Class|<<gsup-ie-message-class>>|M|TLV|3
|02|Cause|<<gsup-ie-cause>>|M|TLV|3
|===
[[gsup-msg-epdg-tunnel-res]]
==== ePDG Tunnel Result
Direction: GSUP Server (ePDG) => GSUP Client (strongswan)
[options="header",cols="5%,45%,20%,10%,10%,10%"]
|===
|IEI|IE|Type|Presence|Format|Length
| |Message Type|<<gsup-ie-msgtype>>|M|V|1
|01|IMSI|<<gsup-ie-imsi>>|M|TLV|2-10
|0a|Message Class|<<gsup-ie-message-class>>|M|TLV|3
|04|PDP info complete|<<gsup-ie-empty>>|M|TLV|2
|05|PDP info|<<gsup-ie-pdpinfo>>|M|TLV|2-N
|15|PCO|<<gsup-ie-pco>>|O|TLV|1-...
|28|CN Domain|<<gsup-ie-cndomain>>|O|TLV|3
|60|Source Name|<<gsup-ie-source-name>>|O|TLV|2-...
|===
=== Information Elements
@ -1145,6 +1192,9 @@ Direction: GSUP Server (HLR) => GSUP Client (MSC)
|0x47|E Close|<<gsup-msg-e-close>>
|0x4B|E Abort|<<gsup-msg-e-abort>>
|0x4E|E Routing Error|<<gsup-msg-e-routing-err>>
|0x50|ePDG Tunnel Request|<<gsup-msg-epdg-tunnel-req>>
|0x51|ePDG Tunnel Error|<<gsup-msg-epdg-tunnel-err>>
|0x52|ePDG Tunnel Result|<<gsup-msg-epdg-tunnel-res>>
|===
The category of the message is indicated by the last two bits of the type.