nextlayer and extensions schema corrections and ipv4/v6 nextlayer or
extension definitions
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075764463d
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@ -66,4 +66,9 @@ protocol:
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length: 4
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optional: yes
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- field: data
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data: true
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data: true
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nextlayer:
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- { protocol: tcp, identifier: 6 }
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- { protocol: udp, identifier: 17 }
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@ -20,6 +20,7 @@ protocol:
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- field: nextheader
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desc: next header identifier (see ipv4 protocol id)
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length: 1
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nextlayer: yes
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- field: hoplimit
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desc: hop limit
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length: 1
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@ -28,4 +29,74 @@ protocol:
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length: 16
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- field: dstaddress
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desc: destination address
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length: 16
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length: 16
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nextlayer:
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- { protocol: hopbyhop, identifier: 0, extension: yes }
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- { protocol: destoptions, identifier: 60, extension: yes }
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- { protocol: routing, identifier: 43, extension: yes }
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- { protocol: fragment, identifier: 44, extension: yes }
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- { protocol: ipsec_ah, identifier: 51 }
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- { protocol: ipsec_esp, identifier: 50 }
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- { protocol: mobility, identifier: 135, extension: yes }
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- { protocol: tcp, identifier: 6 }
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- { protocol: udp, identifier: 17 }
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extensionreferencefield: nextheader
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extensions:
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- extension:
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name: hopbyhop
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referenceid: 0
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fields: &hopbyhop
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- field: nextheader
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length: 1
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nextlayer: yes
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- field: extlength
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desc: Header extension lengthin octets
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length: 1
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- field: options
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length: 6
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- field: options
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length: 8
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optional: yes
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repeatable: yes
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- extension:
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name: destoptions
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referenceid: 60
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fields: *hopbyhop
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- extension:
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name: routing #is deprecated (see http://en.wikipedia.org/wiki/IPv6_packet)
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referenceid: 43
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fields:
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- field: nextheader
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length: 1
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nextlayer: yes
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- field: extlength
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length: 1
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- field: routingtype
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length: 1
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- field: segmentsleft
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length: 1
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- field: typedata
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length: 4
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- field: typedata
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length: 8
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optional: yes
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- extension:
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name: fragment
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referenceid: 44
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fields:
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- field: nextheader
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length: 1
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nextlayer: yes
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- field: reserved
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length: 1
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- field: fragmentoffset
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bitfield: yes
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length: 13
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- field: reserved
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bitfield: yes
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length: 2
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- field: mflag
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bitfield: yes
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length: 1
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- field: identification
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length: 4
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@ -54,6 +54,8 @@ mapping:
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required: yes
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"extension":
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type: bool
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"extensionreferencefield":
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type: str
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"extensions":
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type: seq
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sequence:
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@ -67,7 +69,6 @@ mapping:
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required: yes
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"referencedfrom": #referencing field of protocol definition
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type: str
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required: yes
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"referenceid": #reference id used in protocol definition or extension itself
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type: int
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required: yes
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