module Cisco-IOS-XR-segment-routing-srv6-cfg {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-segment-routing-srv6-cfg";

    prefix segment-routing-srv6-cfg;

    import ietf-inet-types {
      prefix inet;
    }
    import cisco-semver {
      prefix semver;
    }
    import Cisco-IOS-XR-segment-routing-srv6-datatypes {
      prefix dt1;
    }
    import Cisco-IOS-XR-segment-routing-ms-cfg {
      prefix a1;
    }

    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 segment-routing-srv6 package configuration.
     
     This YANG module augments the
       Cisco-IOS-XR-segment-routing-ms-cfg
     module with configuration data.
     
     Copyright (c) 2013-2020 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2020-08-25" {
      description
        "Added MicroSegmentGlobalParams container and MergeOverlayUnderlaySIDS leaf";
    }

    revision "2019-11-21" {
      description
        "Support for anycast locator flag
       2019-10-08
       Support config knob to set traffic-class for SRv6 encap
       2019-04-22
       Flex-Algo support
       2019-04-22
       Flex-Algo specific changes";
    }

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

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

    semver:module-version "1.2.0";
    semver:module-version "1.1.0";
    semver:module-version "1.0.1";

    augment /a1:sr {
      description
        "This augment extends the configuration data of
       'Cisco-IOS-XR-segment-routing-ms-cfg'";
      container srv6 {
        description
          "Segment Routing with IPv6 dataplane";
        container logging {
          description "Enable logging";
          leaf locator-status {
            type empty;
            description
              "Enable logging for locator status changes";
          }
        }  // container logging

        container micro-segment-global-params {
          description
            "Configure micro-segment related parameters";
          leaf merge-overlay-underlay-sids {
            type empty;
            description
              "Enable merge mode for SIDs from overlay and
             underlay";
          }
        }  // container micro-segment-global-params

        container locators {
          description
            "Configure SRv6 locators parameters";
          container locators {
            description
              "Configure SRv6 table of locators";
            list locator {
              key "name";
              description
                "Configure a SRv6 locator";
              container micro-segment {
                description
                  "Configure micro-segments (uSID) related
                 parameters";
                leaf behavior {
                  type dt1:Srv6u-behavior;
                  description
                    "Specify Locator's behavior";
                }
              }  // container micro-segment

              container prefix {
                description
                  "Specify locator prefix value";
                leaf prefix {
                  type inet:ip-address-no-zone;
                  description "IPv6 Prefix";
                }

                leaf prefix-length {
                  type dt1:Srv6-locator-len;
                  description
                    "Prefix length";
                }
              }  // container prefix

              leaf locator-enable {
                type empty;
                description
                  "Enable a SRv6 locator";
              }

              leaf anycast {
                type empty;
                description
                  "Specify locator to be anycast type";
              }

              leaf algorithm {
                type dt1:Srv6-algo-value;
                description
                  "Specify locator algorithm";
              }

              leaf name {
                type dt1:Srv6-locator-name;
                description "Locator name";
              }
            }  // list locator
          }  // container locators
        }  // container locators

        container encapsulation {
          description
            "Configure encapsulation related parameters";
          container traffic-class {
            description
              "Configure IPv6 header traffic-class";
            leaf option {
              type dt1:Srv6-encapsulation-tc-option;
              description "Config option";
            }

            leaf value {
              when "../option = 'value'" {
                description
                  "../Option = Value";
              }
              type dt1:Srv6-encapsulation-tc-value;
              default "0";
              description "Field Value";
            }
          }  // container traffic-class

          container hop-limit {
            description
              "Configure IPv6 Hop-Limit options";
            leaf option {
              type dt1:Srv6-encapsulation-hop-limit-option;
              description
                "Hop-Limit config option";
            }

            leaf value {
              when "../option = 'count'" {
                description
                  "../Option = Count";
              }
              type dt1:Srv6-encapsulation-hop-limit-value;
              default "0";
              description
                "Count for Hop-limit";
            }
          }  // container hop-limit

          leaf source-address {
            type inet:ip-address-no-zone;
            description
              "Configure a source address";
          }
        }  // container encapsulation

        leaf enable {
          type empty;
          description "Enable SRv6";
        }

        leaf sid-holdtime {
          type dt1:Srv6sid-holdtime;
          description
            "Configure SID holdtime for a stale/freed SID";
        }
      }  // container srv6
    }
  }  // module Cisco-IOS-XR-segment-routing-srv6-cfg