module Cisco-IOS-XR-tunnel-gre-datatypes {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-tunnel-gre-datatypes";

    prefix tunnel-gre-datatypes;

    import cisco-semver {
      prefix semver;
    }

    organization "Cisco Systems, Inc.";

    contact
      "Cisco Systems, Inc.
Customer Service

Postal: 170 West Tasman Drive
San Jose, CA 95134

Tel: +1 800 553-NETS

E-mail: cs-yang@cisco.com";

    description
      "This module contains a collection of generally useful
derived YANG data types.

Copyright (c) 2013-2019 by Cisco Systems, Inc.
All rights reserved.";

    revision "2019-04-05" {
      description
        "Establish semantic version baseline.";
    }

    revision "2015-11-09" {
      description "IOS XR 6.0 revision.";
    }

    semver:module-version "1.0.0";

    typedef Tunl-addr-family-enum {
      type enumeration {
        enum "inet" {
          value 2;
          description "IPv4 address Family";
        }
        enum "inet6" {
          value 10;
          description "IPv6 address Family";
        }
      }
      description "Tunl addr family enum";
    }

    typedef Tunl-id-range {
      type uint32 {
        range "0..131070";
      }
      description "Tunl id range";
    }

    typedef Tunl-addr-family-list {
      type string {
        pattern '(ipv4)|(ipv6)|(all)';
      }
      description
        "ipv4: Tunnel Transport Protocol Address Family
IPv4, ipv6: Tunnel Transport Protocol Address
Family IPv6, all: Tunnel Transport Protocol
Address Families all";
    }

    typedef Tunl-addr-length-range {
      type uint32 {
        range "1..128";
      }
      description "Tunl addr length range";
    }

    typedef Tunl-mode-enum {
      type enumeration {
        enum "gre-ipv4" {
          value 1;
          description
            "GRE over IPv4 encapsulation";
        }
        enum "gre-ipv6" {
          value 2;
          description
            "GRE over IPv6 encapsulation";
        }
        enum "mgre-ipv4" {
          value 3;
          description
            "Multipoint GRE over IPv4 encapsulation";
        }
        enum "mgre-ipv6" {
          value 4;
          description
            "Multipoint GRE over IPv6 encapsulation";
        }
        enum "ipv4" {
          value 5;
          description
            "Generic packet tunneling over IPv4
encapsulation";
        }
        enum "ipv6" {
          value 6;
          description
            "Generic packet tunneling over IPv6
encapsulation";
        }
      }
      description "Tunl mode enum";
    }
  }  // module Cisco-IOS-XR-tunnel-gre-datatypes