module huawei-te {

    yang-version 1;

    namespace "urn:huawei:yang:huawei-te";

    prefix te;

    import ietf-inet-types {
      prefix inet;
    }
    import huawei-extension {
      prefix ext;
    }
    import huawei-network-instance {
      prefix ni;
    }

    include huawei-te-type;

    organization
      "Huawei Technologies Co., Ltd.";

    contact
      "Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website: http://www.huawei.com
Email: support@huawei.com";

    description
      "Specifies the traffic engineering configuration.";

    revision "2020-04-02" {
      description
        "Fixed the mode node condition for explicit path.";
      reference
        "Huawei private.";

    }

    revision "2020-03-28" {
      description "Fixed some problems.";
      reference
        "Huawei private.";

    }

    revision "2020-03-10" {
      description
        "Fixed some nodes description.";
      reference
        "Huawei private.";

    }

    revision "2019-11-13" {
      description
        "Add te attribute global configuration.";
      reference
        "Huawei private.";

    }

    revision "2019-06-14" {
      description "Init revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "mpls-te";

    container te {
      description "TE attribute.";
      container global {
        description
          "Configure the global TE information.";
        leaf te-attribute-enable {
          type boolean;
          default "false";
          description
            "Enable/disable TE attribute.";
        }

        leaf ipv6-router-id {
          type inet:ipv6-address;
          description "TE IPv6 Router ID.";
        }
      }  // container global

      container explicit-paths {
        description "List of explicit path.";
        list explicit-path {
          key "name";
          description
            "Configure explicit path. When a TE LSP is to be established, specify route hop constraints for the LSP.";
          leaf name {
            type string {
              length "1..128";
              pattern '[^ \?]*';
            }
            description
              "Explicit path name.";
          }

          container hops {
            description "List of Route hop.";
            list hop {
              key "index";
              unique "address";
              max-elements 96;
              description
                "Configure route hop. Operations such as CFG restart and mixed command configuration may cause the index value to change.";
              leaf index {
                type uint32 {
                  range "1..65535";
                }
                description
                  "Route hop index.";
              }

              leaf mode {
                ext:operation-exclude "update";
                type er-hop-mode;
                mandatory true;
                description
                  "Route hop mode, IPv4 or IPv6 address, segment label or SID IPv6 label.";
              }

              leaf er-hop-type {
                ext:operation-exclude "update" {
                  description "The route hop type could not be updated.";
                }
                when
                  "../mode='ipv4-ipv6-address'";
                type er-hop-type;
                default "include-strict";
                description
                  "Route hop type. Stictly included: A route hop must be included in a LSP path. Loosely included: A route hop is included in a LSP path if the hop meets path constraints and excluded if the hop does not meet path constraints. Excluded: A route hop is excluded fron the LSP path.";
              }

              leaf interface-type {
                when
                  "../mode='ipv4-ipv6-address' and ../er-hop-type!='exclude'";
                type er-hop-interface-type;
                default "default";
                description
                  "Route hop interface type.";
              }

              leaf address-type {
                when
                  "../mode='ipv4-ipv6-address'";
                type te-hop-address-type;
                default "ipv4";
                description
                  "Address type. IPv4 is only supported.";
              }

              leaf address {
                when
                  "../mode='ipv4-ipv6-address'";
                type inet:ip-address;
                mandatory true;
                description
                  "IP address of a route hop.";
              }

              leaf sid-label-type {
                when "../mode='sid-label'";
                type er-sid-label-type;
                default "adjacency";
                description
                  "SID label type of the explicit route hop.";
              }

              leaf sid-label {
                when "../sid-label-type";
                type uint32 {
                  range "16..1048575";
                }
                mandatory true;
                description
                  "SID label of the explicit route hop.";
              }

              leaf sid-ipv6 {
                when "../mode='sid-ipv6'";
                type inet:ipv6-address-no-zone;
                mandatory true;
                description
                  "SID IPv6 label of the explicit route hop.";
              }

              leaf sid-ipv6-label-type {
                when "../mode='sid-ipv6'";
                type er-sid-ipv6-label-type;
                default "none";
                description
                  "SID IPv6 label type of the explicit route hop.";
              }
            }  // list hop
          }  // container hops
        }  // list explicit-path
      }  // container explicit-paths

      container affinity-define {
        presence
          "Enter path-constraint affinity-mapping view.";
        description
          "Configure affinity define function.";
        leaf description {
          type string {
            length "1..80";
          }
          description
            "Description the affinity mapping information.";
        }

        container affinity-mappings {
          description
            "List of the affinity mappings configuration.";
          list affinity-mapping {
            key "attribute-name";
            unique "bit-sequence";
            description
              "Configure the affinity mapping.";
            leaf attribute-name {
              type string {
                length "1..31";
                pattern '[^ ?]*';
              }
              description
                "Configure the attribute name.";
            }

            leaf bit-sequence {
              type uint32 {
                range "0..127";
              }
              mandatory true;
              description
                "Configure the bit sequence.";
            }
          }  // list affinity-mapping
        }  // container affinity-mappings
      }  // container affinity-define
    }  // container te

    augment /ni:network-instance/ni:instances/ni:instance {
      description
        "TE Configuration information augment to network instance.";
      container te {
        description
          "Configure TE function information.";
      }  // container te
    }
  }  // module huawei-te