Re-,

Please see inline. 

Cheers,
Med

> -----Message d'origine-----
> De : tom petch <[email protected]>
> Envoyé : vendredi 15 octobre 2021 13:12
> À : BOUCADAIR Mohamed INNOV/NET <[email protected]>; Rob Wilton
> (rwilton) <[email protected]>; [email protected];
> [email protected]
> Cc : [email protected]
> Objet : Re: Tree diagrams
> 
> From: [email protected] <[email protected]>
> Sent: 15 October 2021 11:58
> 
> Hi Rob, Tom, all,
> 
> The trees are different because we are not importing the acl module, but
> are reusing "packet-fields" from RFC8519 to define the classification
> rules.
> 
> Please note that trees in vpn-common are printed with "--tree-print-
> groupings".
> 
> <tp>
> That feature I do not understand.  I agree that you are reusing packet-
> fields from RFC8519 but that module has 'grouping port-range-or-operator'
> with no mention AFAICT of a 'source' or a 'destination' in the identifier.
> Did you edit all those in as well?

[Med] Here is an excerpt of the "ports" grouping in vpn-common: 

==
       choice source-port {
         description
           "Choice of specifying the source port or referring to a group
            of source port numbers.";
         container source-port-range-or-operator {
           description
             "Source port definition.";
           uses packet-fields:port-range-or-operator;
         }
       }
==

which will be pronted as: 

           1:   grouping ports
           2:     +-- (source-port)?
           3:     |  +--:(source-port-range-or-operator)
           4:     |     +-- source-port-range-or-operator
           5:     |        +-- (port-range-or-operator)?
           6:     |           +--:(range)
           7:     |           |  +-- lower-port    inet:port-number
           8:     |           |  +-- upper-port    inet:port-number
           9:     |           +--:(operator)
          10:     |              +-- operator?     operator
          11:     |              +-- port          inet:port-number


The names in lines 1-4 are those in the common module, 5-11 are those in 
packet-fields.  

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