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Filter: Add support for src/dst accessors for Flowspec and SADR

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Ondrej Zajicek (work)
2019-12-09 04:23:01 +01:00
parent 21d09632a5
commit ff2ca10cba
7 changed files with 104 additions and 12 deletions
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doc/bird.sgml
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@ -1295,7 +1295,9 @@ in the foot).
prefix. The literals are written as <cf><m/ipaddress//<m/pxlen/ from
<m/ipaddress//<m/pxlen/</cf>, where the first part is the destination
prefix and the second art is the source prefix. They support the same
operators as IP prefixes, but just for the destination part.
operators as IP prefixes, but just for the destination part. They also
support <cf/.src/ and <cf/.dst/ operators to get respective parts of the
address as separate <cf/NET_IP6/ values.
<cf/NET_VPN4/ and <cf/NET_VPN6/ prefixes hold an IP prefix with VPN
Route Distinguisher (<rfc id="4364">). They support the same special
@ -1309,7 +1311,9 @@ in the foot).
and <cf/.asn/ which extracts the ASN.
<cf/NET_FLOW4/ and <cf/NET_FLOW6/ hold an IP prefix together with a
flowspec rule. Filters currently don't support flowspec parsing.
flowspec rule. Filters currently do not support much flowspec parsing,
only <cf/.src/ and <cf/.dst/ operators to get source and destination
parts of the flowspec as separate <cf/NET_IP4/ / <cf/NET_IP6/ values.
<cf/NET_MPLS/ holds a single MPLS label and its handling is currently
not implemented.