module vpp-mpls {
  yang-version 1;
  namespace "urn:opendaylight:params:xml:ns:yang:vpp:mpls";
  prefix "vpp-mpls";

  import hc2vpp-ietf-mpls {
    prefix mpls;
    revision-date 2017-07-02;
  }

  import hc2vpp-ietf-routing {
    prefix "rt";
    revision-date 2014-05-24;
  }

  import hc2vpp-ietf-mpls-static {
    prefix "mpls-static";
    revision-date 2017-03-10;
  }

  import yang-ext {
    prefix "ext";
  }

  contact
    "Hc2vpp: <https://wiki.fd.io/view/Hc2vpp>
     Hc2vpp List:  <mailto:netmod@ietf.org>";

  description
    "This module contains a collection of YANG definitions for
     configuring VPP specific MPLS options.

     See https://docs.fd.io/vpp/18.01/clicmd_src_vnet_mpls.html
     for more details";

  revision "2017-11-20" {
    description
      "Initial revision of vpp-mpls model.";
  }

  typedef lookup-type {
    type enumeration {
      enum ipv4 {
        value 0;
      }
      enum ipv6 {
        value 1;
      }
      enum mpls {
        value 2;
      }
    }
    description
      "Label lookup types based on data path protocols supported by vpp.
       Enum values are based on the ones used by mpls apis";
    reference
      "https://git.fd.io/vpp/tree/src/vnet/dpo/dpo.h";
  }

  grouping vpp-label-lookup-attributes {
    container label-lookup {
      leaf type {
        type lookup-type;
      }
      leaf ip4-lookup-in-table {
        when "../type = ipv4";
        type uint32;
        description
          "Mapped to non-eos lookup in IPv4 FIB table with given id.";
      }
      leaf ip6-lookup-in-table {
        when "../type = ipv6";
        type uint32;
        description
          "Mapped to non-eos lookup in IPv6 FIB table with given id.";
      }
      leaf mpls-lookup-in-table {
        when "../type = mpls";
        type uint32;
        description
         "Mapped to eos lookup in MPLS FIB table with given id.";
      }
    }
    description
      "Defines lookup attributes for pop-and-lookup operation.
       Equivalent of CLI command: mpls local-label XXX-lookup-in-table N";
  }

  augment /rt:routing/mpls:mpls/mpls-static:static-lsps/mpls-static:static-lsp/mpls-static:config {
    ext:augment-identifier "static-lsp-vpp-lookup-augmentation";
    when "operation = 'pop-and-lookup'";
    uses vpp-label-lookup-attributes;
    description
      "Augments static-lsp list entry with lookup options available in VPP.";
  }
}