submodule openconfig-isis-routing {

    yang-version 1;

    belongs-to openconfig-isis {
        prefix oc-isis;
    }

    import openconfig-isis-types {
      prefix oc-isis-types;
    }
    import openconfig-extensions {
      prefix oc-ext;
    }
    import openconfig-mpls-types {
      prefix oc-mplst;
    }
    import openconfig-segment-routing {
      prefix oc-sr;
    }

    organization "OpenConfig working group";

    contact
      "OpenConfig working group
    www.openconfig.net";

    description
      "This module describes YANG model for ISIS Routing";

    revision "2017-01-13" {
      description
        "Remove top-level /isis container";
      reference
        "0.2.1";

    }

    revision "2016-12-15" {
      description
        "Add segment routing to IS-IS module";
      reference
        "0.2.0";

    }

    revision "2016-10-18" {
      description
        "Initial revision of IS-IS models.";
      reference
        "0.1.0";

    }

    oc-ext:openconfig-version "0.2.1";

    grouping rt-admin-config {
      description
        "Re-usable grouping to enable or disable a particular IS-IS feature.";
      leaf enabled {
        type boolean;
        description
          "When set to true, the functionality within which this leaf is
        defined is enabled, when set to false it is explicitly disabled.";
      }
    }  // grouping rt-admin-config

    grouping isis-afi-safi-config {
      description
        "This grouping defines Address-Family configuration parameters";
      leaf afi-name {
        type identityref {
          base oc-isis-types:AFI_TYPE;
        }
        description "Address-family type.";
      }

      leaf safi-name {
        type identityref {
          base oc-isis-types:SAFI_TYPE;
        }
        description
          "Subsequent address-family type.";
      }
    }  // grouping isis-afi-safi-config

    grouping isis-shortcuts-afi-config {
      description
        "This grouping defines ISIS Shortcuts configuration parameters";
      leaf afi-name {
        type identityref {
          base oc-isis-types:AFI_TYPE;
        }
        description "Address-family type.";
      }

      leaf-list nh-type {
        type identityref {
          base oc-mplst:PATH_SETUP_PROTOCOL;
        }
        description
          "Tunnel NH Type(RSVP,SR). When present it implies
      	that nh-type shortcut is enabled for a specified AFI.";
      }
    }  // grouping isis-shortcuts-afi-config

    grouping isis-shortcuts-config {
      description
        "This grouping defines ISIS Shortcuts consfiguration parameters";
      container config {
        description
          "This container defines ISIS shortcuts configuration.";
        uses rt-admin-config;
      }  // container config

      container state {
        config false;
        description
          "This container defines state for ISIS shortcuts.";
        uses rt-admin-config;
      }  // container state
    }  // grouping isis-shortcuts-config

    grouping isis-mt-config {
      description
        "This grouping defines ISIS multi-topology configuration parameters";
      leaf afi-name {
        type identityref {
          base oc-isis-types:AFI_TYPE;
        }
        description "Address-family type.";
      }

      leaf safi-name {
        type identityref {
          base oc-isis-types:SAFI_TYPE;
        }
        description
          "Subsequent address-family type.";
      }
    }  // grouping isis-mt-config

    grouping isis-metric-config {
      description
        "This grouping defines ISIS metric configuration";
      leaf metric {
        type uint32;
        default '10';
        description
          "ISIS metric value(default=10).";
      }
    }  // grouping isis-metric-config

    grouping isis-afi-safi-list {
      description
        "This grouping defines address-family configuration and state
      information";
      list af {
        key "afi-name safi-name";
        description
          "Address-family/Subsequent Address-family list.";
        leaf afi-name {
          type leafref {
            path "../config/afi-name";
          }
          description
            "Reference to address-family type";
        }

        leaf safi-name {
          type leafref {
            path "../config/safi-name";
          }
          description
            "Reference to subsequent address-family type";
        }

        container config {
          description
            "This container defines AFI-SAFI configuration parameters";
          uses isis-afi-safi-config;

          uses isis-metric-config;

          uses rt-admin-config;
        }  // container config

        container state {
          config false;
          description
            "This container defines AFI-SAFI State information";
          uses isis-afi-safi-config;

          uses isis-metric-config;

          uses rt-admin-config;
        }  // container state

        uses isis-mt-list;
      }  // list af
    }  // grouping isis-afi-safi-list

    grouping isis-if-afi-safi-list {
      description
        "This grouping defines address-family configuration and state
      information";
      list af {
        key "afi-name safi-name";
        description
          "Address-family/Subsequent Address-family list.";
        leaf afi-name {
          type leafref {
            path "../config/afi-name";
          }
          description
            "Reference to address-family type";
        }

        leaf safi-name {
          type leafref {
            path "../config/safi-name";
          }
          description
            "Reference to subsequent address-family type";
        }

        container config {
          description
            "This container defines AFI-SAFI configuration parameters. Single
            topology is the default setting.";
          uses isis-afi-safi-config;

          uses isis-metric-config;

          uses rt-admin-config;
        }  // container config

        container state {
          config false;
          description
            "This container defines AFI-SAFI State information";
          uses isis-afi-safi-config;

          uses isis-metric-config;

          uses rt-admin-config;
        }  // container state

        uses oc-sr:sr-igp-interface-top;
      }  // list af
    }  // grouping isis-if-afi-safi-list

    grouping isis-if-global-afi-safi-list {
      description
        "This grouping defines address-family configuration and state
      information";
      list af {
        key "afi-name safi-name";
        description
          "Address-family/Subsequent Address-family list.";
        leaf afi-name {
          type leafref {
            path "../config/afi-name";
          }
          description
            "Reference to address-family type";
        }

        leaf safi-name {
          type leafref {
            path "../config/safi-name";
          }
          description
            "Reference to subsequent address-family type";
        }

        container config {
          description
            "This container defines AFI-SAFI configuration parameters. Single
            topology is the default setting.";
          uses isis-afi-safi-config;

          uses rt-admin-config;
        }  // container config

        container state {
          config false;
          description
            "This container defines AFI-SAFI State information";
          uses isis-afi-safi-config;

          uses rt-admin-config;
        }  // container state
      }  // list af
    }  // grouping isis-if-global-afi-safi-list

    grouping isis-shortcuts-afi-list {
      description
        "This grouping defines ISIS Shorcuts configuration and
      state information";
      list afi {
        key "afi-name";
        description "Address-family list.";
        leaf afi-name {
          type leafref {
            path "../config/afi-name";
          }
          description
            "Reference to address-family type.";
        }

        container config {
          description
            "This container defines ISIS Shortcuts configuration parameters";
          uses isis-shortcuts-afi-config;
        }  // container config

        container state {
          config false;
          description
            "This container defines ISIS Shortcuts state information";
          uses isis-shortcuts-afi-config;
        }  // container state
      }  // list afi
    }  // grouping isis-shortcuts-afi-list

    grouping isis-mt-list {
      description
        "This grouping defines multi-topology address-family configuration and
      state information. MT0 - IPv4 Unicast, MT2 - IPv6 Unicast, MT3 -
      IPv4 Multicast, MT4 - IPv6 Multicast";
      container multi-topology {
        description
          "This container defines multi-topology address-family configuration
        and state information. ISIS TLV 235, 237.";
        container config {
          description
            "This container defines AFI-SAFI multi-topology configuration
        parameters";
          uses isis-mt-config;
        }  // container config

        container state {
          config false;
          description
            "This container defines AFI-SAFI multi-topology state information";
          uses isis-mt-config;

          uses rt-admin-config;
        }  // container state
      }  // container multi-topology
    }  // grouping isis-mt-list
  }  // submodule openconfig-isis-routing