ietf-mpls-static.yang

module ietf-mpls-static {
  yang-version 1.1;
  namespace "urn:ietf:params:xml:ns:yang:ietf-mpls-static";
  prefix "mpls-static";

  import ietf-mpls {
    prefix "mpls";
    reference "draft-ietf-mpls-base-yang: MPLS Base YANG Data Model";
  }

  import ietf-routing {
    prefix "rt";
    reference "RFC8349: A YANG Data Model for Routing Management";
  }

  import ietf-routing-types {
    prefix "rt-types";
    reference "RFC8294: Common YANG Data Types for the Routing Area";
  }

  import ietf-inet-types {
    prefix inet;
    reference "RFC6991: Common YANG Data Types";
  }

  import ietf-interfaces {
    prefix "if";
    reference "RFC7223: A YANG Data Model for Interface Management";
  }

  organization "IETF MPLS Working Group";

  contact
    "WG Web:   <http://tools.ietf.org/wg/mpls/>

     WG List:  <mailto:mpls@ietf.org>

     Editor:   Tarek Saad
               <mailto:tsaad@juniper.net>

     Editor:   Rakesh Gandhi
               <mailto:rgandhi@cisco.com>

     Editor:   Xufeng Liu
               <mailto: xufeng.liu.ietf@gmail.com>

     Editor:   Vishnu Pavan Beeram
               <mailto:vbeeram@juniper.net>

     Editor:   Igor Bryskin
               <mailto: Igor.Bryskin@huawei.com>";

  description
     "This YANG module augments the 'ietf-routing' module with basic
      configuration and operational state data for MPLS static
      The model fully conforms to the Network Management Datastore
      Architecture (NMDA).

      Copyright (c) 2018 IETF Trust and the persons
      identified as authors of the code.  All rights reserved.

      Redistribution and use in source and binary forms, with or
      without modification, is permitted pursuant to, and subject
      to the license terms contained in, the Simplified BSD License
      set forth in Section 4.c of the IETF Trust's Legal Provisions
      Relating to IETF Documents
      (https://trustee.ietf.org/license-info).
      This version of this YANG module is part of RFC XXXX; see
      the RFC itself for full legal notices.";

  // RFC Ed.: replace XXXX with actual RFC number and remove this
  // note.

  // RFC Ed.: update the date below with the date of RFC publication
  // and remove this note.

  revision "2019-09-12" {
    description
      "Latest revision of MPLS Static LSP YANG module";
    reference "RFC XXXX: A YANG Data Model for MPLS Static LSPs";
  }

  typedef static-lsp-ref {
    type leafref {
      path "/rt:routing/mpls:mpls/mpls-static:static-lsps/" + 
           "mpls-static:static-lsp/mpls-static:name";
    }
    description
      "This type is used by data models that need to reference
       configured static LSP.";
  }

  grouping in-segment {
    description "In-segment grouping";
    container in-segment {
      description "MPLS incoming segment";
      container fec {
        description "Forwarding Equivalence Class grouping";
        choice type {
          description "FEC type choices";
          case ip-prefix {
            leaf ip-prefix {
              type inet:ip-prefix;
              description "An IP prefix";
            }
          }
          case mpls-label {
            leaf incoming-label {
              type rt-types:mpls-label;
              description "label value on the incoming packet";
            }
          }
        }
        leaf incoming-interface {
          type if:interface-ref;
          description
            "Optional incoming interface if FEC is restricted
             to traffic incoming on a specific interface";
        }
      }
    }
  }

  grouping out-segment {
    description "Out-segment grouping";
    container out-segment {
      description "MPLS outgoing segment";
      choice out-segment {
        description "The MPLS out-segment type choice";
        case nhlfe-single {
          container nhlfe-single {
            description "Container for single NHLFE entry";
            uses mpls:nhlfe-single-contents;
            leaf outgoing-interface {
              type if:interface-ref;
              description
                "The outgoing interface";
            }
          }
        }
        case nhlfe-multiple {
          container nhlfe-multiple {
            description "Container for multiple NHLFE entries";
            list nhlfe {
              key index;
              description "MPLS NHLFE entry";
              uses mpls:nhlfe-multiple-contents;
              leaf outgoing-interface {
                type if:interface-ref;
                description
                  "The outgoing interface";
              }
            }
          }
        }
      }
    }
  }

  augment "/rt:routing/mpls:mpls" {
    description "Augmentations for MPLS Static LSPs";
    container static-lsps {
      description
        "Statically configured LSPs, without dynamic signaling";
      list static-lsp {
        key name;
        description "list of defined static LSPs";
        leaf name {
          type string;
          description "name to identify the LSP";
        }
        leaf operation {
          type mpls:mpls-operations-type;
          description
            "The MPLS operation to be executed on the incoming packet";
        }
        uses in-segment;
        uses out-segment;
      }
    }
  }
}