submodule huawei-mpls-te-bfd-type {

    yang-version 1;

    belongs-to huawei-mpls-te-bfd {
        prefix mpls-te-bfd;
    }

    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 multi-protocol label switching protocol.";

    revision "2020-09-24" {
      description
        "Added the signaling protocol and BFD status information.";
      reference
        "Huawei private.";

    }

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

    }

    revision "2019-03-27" {
      description "Init revision.";
      reference
        "Huawei private.";

    }


    typedef bfd-for-lsp-mode {
      type enumeration {
        enum "one-arm-echo" {
          value 1;
          description "BFD One Arm Echo.";
        }
      }
      description "Bfd for lsp type.";
    }

    typedef bfd-for-tunnel-mode {
      type enumeration {
        enum "one-arm-echo" {
          value 1;
          description "BFD One Arm Echo.";
        }
      }
      description "Bfd for tunnel type.";
    }

    typedef te-tunnel-bfd-for-lsp-mode {
      type enumeration {
        enum "one-arm-echo" {
          value 1;
          description "BFD One Arm Echo.";
        }
        enum "seamless" {
          value 2;
          description "BFD Seamless.";
        }
        enum "option-tlv" {
          value 3;
          description
            "BFD detection with options.";
        }
      }
      description "Bfd all mode.";
    }

    typedef rsvp-te-tunnel-bfd-for-lsp-mode {
      type enumeration {
        enum "one-arm-echo" {
          value 1;
          description "BFD One Arm Echo.";
        }
        enum "option-tlv" {
          value 3;
          description
            "BFD detection with options.";
        }
      }
      description "Bfd all mode.";
    }

    typedef te-tunnel-bfd-for-tunnel-mode {
      type enumeration {
        enum "one-arm-echo" {
          value 1;
          description "BFD One Arm Echo.";
        }
        enum "seamless" {
          value 3;
          description "BFD Seamless.";
        }
      }
      description "Bfd for tunnel type.";
    }

    typedef bfd-ability-type {
      type enumeration {
        enum "enable" {
          value 1;
          description
            "MPLS RSVP-TE BFD enable configuration.";
        }
        enum "block" {
          value 2;
          description
            "MPLS RSVP-TE BFD block configuration.";
        }
      }
      description "TE BFD ability type.";
    }

    typedef signal-protocol-type {
      type enumeration {
        enum "rsvp-te" {
          value 2;
          description "RSVP-TE.";
        }
        enum "segment-routing" {
          value 6;
          description "SR-MPLS TE.";
        }
      }
      description
        "Bfd signal protocol type.";
    }

    typedef bfd-state-type {
      type enumeration {
        enum "admin-down" {
          value 0;
          description
            "The TE BFD session is in the admin down state.";
        }
        enum "down" {
          value 1;
          description
            "The TE BFD session is in the down state.";
        }
        enum "init" {
          value 2;
          description
            "The TE BFD session is in the initial state.";
        }
        enum "up" {
          value 3;
          description
            "The TE BFD session is in the up state.";
        }
      }
      description "Bfd state type.";
    }
  }  // submodule huawei-mpls-te-bfd-type