module Cisco-IOS-XR-vservice-cfg {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-vservice-cfg";

    prefix vservice-cfg;

    import ietf-inet-types {
      prefix inet;
    }
    import Cisco-IOS-XR-types {
      prefix xr;
    }
    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 YANG definitions
     for Cisco IOS-XR vservice package configuration.
     
     This module contains definitions
     for the following management objects:
       vservice: configure vservice node
     
     Copyright (c) 2013-2019 by Cisco Systems, Inc.
     All rights reserved.";

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

    revision "2017-09-07" {
      description
        "Fixed type translation error.";
    }

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

    semver:module-version "1.0.1";

    typedef Sfc-metadata-type1-alloc-format {
      type enumeration {
        enum "dc-allocation" {
          value 1;
          description
            "data center allocation";
        }
      }
      description
        "Sfc metadata type1 alloc format";
    }

    typedef Sfc-sf-transport {
      type enumeration {
        enum "vxlan-gpe" {
          value 1;
          description
            "vxlan-gpe transport type";
        }
      }
      description "Sfc sf transport";
    }

    typedef Sfc-metadata-disposition-match {
      type enumeration {
        enum "type1-dcalloc-tenant-id" {
          value 1;
          description "match type 1";
        }
      }
      description
        "Sfc metadata disposition match";
    }

    typedef Sfc-metadata-disposition-action {
      type enumeration {
        enum "redirect-nexthop" {
          value 1;
          description
            "redirect nexthop action";
        }
      }
      description
        "Sfc metadata disposition action";
    }

    typedef Sfc-metadata-alloc {
      type enumeration {
        enum "type1" {
          value 1;
          description "type 1 allocation";
        }
      }
      description "Sfc metadata alloc";
    }

    grouping NAME-TABLE {
      description
        "Common node of service-function-locator,
       service-function-forward-locator";
      container names {
        description
          "Mention the sf/sff name";
        list name {
          key "function-name locator-id";
          description
            "service function name";
          container node {
            description "configure sff/sffl";
            leaf transport {
              type Sfc-sf-transport;
              description "Transport type";
            }

            leaf ipv4-source-address {
              type inet:ipv4-address-no-zone;
              description
                "IPv4 source address";
            }

            leaf ipv4-destination-address {
              type inet:ipv4-address-no-zone;
              description
                "IPv4 destination address";
            }

            leaf vni {
              type uint32;
              description "VNI";
            }
          }  // container node

          leaf function-name {
            type xr:Cisco-ios-xr-string;
            description
              "Service function/forwarder name";
          }

          leaf locator-id {
            type uint32 {
              range "1..255";
            }
            description "Specify locator id";
          }
        }  // list name
      }  // container names
    }  // grouping NAME-TABLE

    grouping NODE {
      description
        "Common node of sf-name, sff-name";
      container node {
        description "configure SFP";
        leaf enable {
          type empty;
          description
            "Enable Service function path";
        }

        leaf reserved {
          type empty;
          description "Dummy";
        }
      }  // container node
    }  // grouping NODE

    container vservice {
      description "configure vservice node";
      container service-function-locator {
        description
          "configure service function locator";
        uses NAME-TABLE;
      }  // container service-function-locator

      container metadata-dispositions {
        description
          "Configure metadata disposition";
        list metadata-disposition {
          key "disposition-name format";
          description
            "metadata disposition name";
          leaf disposition-name {
            type xr:Cisco-ios-xr-string;
            description "disposition name";
          }

          leaf format {
            type Sfc-metadata-type1-alloc-format;
            description "Specify Format";
          }

          list match-entry {
            key "match-entry-name";
            description "match entry name";
            container node {
              description
                "configure disposition data";
              leaf match-type {
                type Sfc-metadata-disposition-match;
                description "match type";
              }

              leaf action-type {
                type Sfc-metadata-disposition-action;
                description "action type";
              }

              leaf vrf {
                type string;
                description "VRF name";
              }

              leaf nexthop-ipv4-address {
                type inet:ipv4-address-no-zone;
                description
                  "IPv4 nexthop address";
              }

              leaf-list tenant-id {
                type uint32;
                max-elements 4;
                description
                  "24-bit tenant id";
              }
            }  // container node

            leaf match-entry-name {
              type xr:Cisco-ios-xr-string;
              description "match entry name";
            }
          }  // list match-entry
        }  // list metadata-disposition
      }  // container metadata-dispositions

      container service-function-forward-locator {
        description
          "configure service function forward locator";
        uses NAME-TABLE;
      }  // container service-function-forward-locator

      container metadata-templates {
        description
          "configure metadata imposition";
        list metadata-template {
          key "metadata-name type format";
          description
            "metadata name, type and format";
          leaf tenant-id {
            type uint32 {
              range "1..16777215";
            }
            description
              "Enter 24-bit tenant id";
          }

          leaf metadata-name {
            type xr:Cisco-ios-xr-string;
            description "metadata name";
          }

          leaf type {
            type Sfc-metadata-alloc;
            description "Specify Type ";
          }

          leaf format {
            type Sfc-metadata-type1-alloc-format;
            description "Specify Format";
          }
        }  // list metadata-template
      }  // container metadata-templates

      container service-function-path {
        description "service function path";
        container paths {
          description
            "service function path id";
          list path {
            key "path-id";
            description
              "specify the service function path id";
            leaf path-id {
              type uint32 {
                range "1..16777215";
              }
              description
                "Specify the service function path id";
            }

            list service-index {
              key "index";
              description
                "specify the service index";
              container terminate {
                description
                  "configure terminate";
                container node {
                  description
                    "configure default terminate action";
                  leaf action {
                    type Sfc-metadata-disposition-action;
                    description
                      "default action enum";
                  }

                  leaf vrf {
                    type string;
                    description
                      "nexthop vrf name";
                  }

                  leaf nexthop-ipv4-address {
                    type inet:ipv4-address-no-zone;
                    description
                      "IPv4 nexthop address";
                  }

                  leaf metatdata-disposition {
                    type string;
                    description
                      "metadata-disposition name";
                  }
                }  // container node
              }  // container terminate

              container sff-names {
                description
                  "service function forwarder ";
                list sff-name {
                  key "name";
                  description
                    "service function forwarder name";
                  leaf name {
                    type xr:Cisco-ios-xr-string;
                    description "SFF Name";
                  }

                  uses NODE;
                }  // list sff-name
              }  // container sff-names

              container sf-names {
                description
                  "service function ";
                list sf-name {
                  key "name";
                  description
                    "service function name";
                  leaf name {
                    type xr:Cisco-ios-xr-string;
                    description "SF Name";
                  }

                  uses NODE;
                }  // list sf-name
              }  // container sf-names

              leaf index {
                type uint32 {
                  range "1..255";
                }
                description
                  "Specify the id of service function";
              }
            }  // list service-index
          }  // list path
        }  // container paths
      }  // container service-function-path
    }  // container vservice
  }  // module Cisco-IOS-XR-vservice-cfg