submodule Cisco-IOS-XR-ip-ntp-oper-sub1 {

    yang-version 1;

    belongs-to Cisco-IOS-XR-ip-ntp-oper {
        prefix Cisco-IOS-XR-ip-ntp-oper;
    }

    import ietf-inet-types {
      prefix inet;
    }
    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 submodule contains a collection of YANG definitions
     for Cisco IOS-XR ip-ntp package operational data.
     
     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 "1.0.1";

    typedef Clock-update-node {
      type enumeration {
        enum "clk-never-updated" {
          value 0;
          description
            " clock is never updated";
        }
        enum "clk-updated" {
          value 1;
          description " clock is updated";
        }
        enum "clk-no-update-info" {
          value 2;
          description
            " clock has no update info";
        }
      }
      description "Mode of Clock Update";
    }

    typedef Ntp-loop-filter-state {
      type enumeration {
        enum "ntp-loop-flt-n-set" {
          value 1;
          description " never set";
        }
        enum "ntp-loop-flt-f-set" {
          value 2;
          description " drift set from file";
        }
        enum "ntp-loop-flt-spik" {
          value 3;
          description " spike";
        }
        enum "ntp-loop-flt-freq" {
          value 4;
          description
            " drift being measured";
        }
        enum "ntp-loop-flt-sync" {
          value 5;
          description
            " normal controlled loop";
        }
        enum "ntp-loop-flt-unkn" {
          value 6;
          description " unknown";
        }
      }
      description "Loop filter state";
    }

    typedef Ntp-peer-status {
      type enumeration {
        enum "ntp-ctl-pst-sel-reject" {
          value 0;
          description "   reject";
        }
        enum "ntp-ctl-pst-sel-sane" {
          value 1;
          description " x falsetick";
        }
        enum "ntp-ctl-pst-sel-correct" {
          value 2;
          description " . excess ";
        }
        enum "ntp-ctl-pst-sel-selcand" {
          value 3;
          description " - outlyer";
        }
        enum "ntp-ctl-pst-sel-sync-cand" {
          value 4;
          description " + candidate";
        }
        enum "ntp-ctl-pst-sel-distsys-peer" {
          value 5;
          description " # selected";
        }
        enum "ntp-ctl-pst-sel-sys-peer" {
          value 6;
          description " * sys peer";
        }
        enum "ntp-ctl-pst-sel-pps" {
          value 7;
          description " o pps peer";
        }
      }
      description "Type of peer status";
    }

    typedef Ntp-mode {
      type enumeration {
        enum "ntp-mode-unspec" {
          value 0;
          description
            "Unspecified probably old NTP version";
        }
        enum "ntp-mode-symetric-active" {
          value 1;
          description "Symmetric active";
        }
        enum "ntp-mode-symetric-passive" {
          value 2;
          description "Symmetric passive";
        }
        enum "ntp-mode-client" {
          value 3;
          description "Client mode";
        }
        enum "ntp-mode-server" {
          value 4;
          description "Server mode";
        }
        enum "ntp-mode-xcast-server" {
          value 5;
          description "Broadcast mode";
        }
        enum "ntp-mode-control" {
          value 6;
          description "Control mode packet";
        }
        enum "ntp-mode-private" {
          value 7;
          description
            "Implementation defined function";
        }
        enum "ntp-mode-xcast-client" {
          value 8;
          description
            "A broadcast client mode";
        }
      }
      description "Type of mode";
    }

    typedef Ntp-leap {
      type enumeration {
        enum "ntp-leap-no-warning" {
          value 0;
          description
            "Normal, no leap second warning";
        }
        enum "ntp-leap-addse-cond" {
          value 1;
          description
            "Last minute of day has 61 seconds";
        }
        enum "ntp-leap-delse-cond" {
          value 2;
          description
            "Last minute of day has 59 seconds";
        }
        enum "ntp-leap-not-in-sync" {
          value 3;
          description
            "Overload, clock is free running";
        }
      }
      description "Type of leap";
    }

    grouping NTP-EDM-PEER-SUMMARY-INFO {
      description "Peer summary info";
      container peer-info-common {
        description "Common peer info";
        uses NTP-EDM-PEER-INFO-COMMON;
      }  // container peer-info-common

      leaf time-since {
        type int32;
        description
          "Time since last frame received (-1=none)";
      }
    }  // grouping NTP-EDM-PEER-SUMMARY-INFO

    grouping NTP-EDM-ASSOC-SUMMARY-RESULT {
      description
        "The NTP association result";
      leaf is-ntp-enabled {
        type boolean;
        description "Is NTP enabled";
      }

      leaf sys-leap {
        type Ntp-leap;
        description "Leap";
      }

      list peer-summary-info {
        description "Peer info";
        uses NTP-EDM-PEER-SUMMARY-INFO;
      }  // list peer-summary-info
    }  // grouping NTP-EDM-ASSOC-SUMMARY-RESULT

    grouping NTP-EDM-STATUS-RESULT {
      description "The NTP status result";
      container sys-ref-time {
        description "Reference time";
        uses EDM-L-FP;
      }  // container sys-ref-time

      container sys-drift {
        description "System Drift";
        uses EDM-L-FP;
      }  // container sys-drift

      leaf is-ntp-enabled {
        type boolean;
        description "Is NTP enabled";
      }

      leaf sys-dispersion {
        type string;
        description "Peer dispersion";
      }

      leaf sys-offset {
        type string;
        description "Clock offset";
      }

      leaf clock-period {
        type uint32;
        units "nanosecond";
        description
          "Clock period in nanosecs";
      }

      leaf sys-leap {
        type Ntp-leap;
        description "leap";
      }

      leaf sys-precision {
        type int8;
        description "Precision";
      }

      leaf sys-stratum {
        type uint8;
        description "Stratum";
      }

      leaf sys-ref-id {
        type inet:ipv4-address;
        description "Reference clock ID";
      }

      leaf sys-root-delay {
        type string;
        description "Root delay";
      }

      leaf sys-root-dispersion {
        type string;
        description "Root dispersion";
      }

      leaf loop-filter-state {
        type Ntp-loop-filter-state;
        description "Loop Filter State";
      }

      leaf poll-interval {
        type uint8;
        description "Peer poll interval";
      }

      leaf is-updated {
        type Clock-update-node;
        description "Is clock updated";
      }

      leaf last-update {
        type int32;
        description "Last Update";
      }

      leaf is-auth-enabled {
        type boolean;
        description
          "Is NTP Authenticate enabled";
      }
    }  // grouping NTP-EDM-STATUS-RESULT

    grouping FILTER-DETAILS {
      description "Sub part of peer info";
      leaf filter-delay {
        type string;
        description "filter delay";
      }

      leaf filter-offset {
        type string;
        description "filter offset";
      }

      leaf filter-disp {
        type string;
        description "filter disp";
      }
    }  // grouping FILTER-DETAILS

    grouping EDM-UL-F {
      description "EDM UL F";
      leaf frac {
        type uint32;
        description
          "Fractional format in NTP reference code";
      }
    }  // grouping EDM-UL-F

    grouping EDM-UL-I {
      description "EDM UL I";
      leaf int {
        type uint32;
        description
          "Integer format in NTP reference code";
      }
    }  // grouping EDM-UL-I

    grouping EDM-L-FP {
      description "EDM L FP";
      container sec {
        description
          "Second part in 64-bit NTP timestamp";
        uses EDM-UL-I;
      }  // container sec

      container frac-secs {
        description
          "Fractional part in 64-bit NTP timestamp";
        uses EDM-UL-F;
      }  // container frac-secs
    }  // grouping EDM-L-FP

    grouping NTP-EDM-PEER-INFO-COMMON {
      description "Peer common info";
      leaf host-mode {
        type Ntp-mode;
        description
          "Association mode with this peer";
      }

      leaf is-configured {
        type boolean;
        description "Is configured";
      }

      leaf address {
        type string;
        description "Peer Address";
      }

      leaf reference-id {
        type inet:ipv4-address;
        description "Peer reference ID";
      }

      leaf host-poll {
        type uint8;
        description "Host poll";
      }

      leaf reachability {
        type uint8;
        description "Reachability";
      }

      leaf stratum {
        type uint8;
        description "Peer stratum";
      }

      leaf status {
        type Ntp-peer-status;
        description "Peer status";
      }

      leaf delay {
        type string;
        description "Peer delay";
      }

      leaf offset {
        type string;
        description "Peer offset";
      }

      leaf dispersion {
        type string;
        description "Peer dispersion";
      }

      leaf is-sys-peer {
        type boolean;
        description
          "Indicates whether this is syspeer";
      }
    }  // grouping NTP-EDM-PEER-INFO-COMMON

    grouping NTP-EDM-PEER-DETAIL-INFO {
      description "Peer Detail Information";
      container peer-info-common {
        description "Common peer info";
        uses NTP-EDM-PEER-INFO-COMMON;
      }  // container peer-info-common

      container ref-time {
        description "Reference time";
        uses EDM-L-FP;
      }  // container ref-time

      container originate-time {
        description "Originate timestamp";
        uses EDM-L-FP;
      }  // container originate-time

      container receive-time {
        description "Receive timestamp";
        uses EDM-L-FP;
      }  // container receive-time

      container transmit-time {
        description "Transmit timestamp";
        uses EDM-L-FP;
      }  // container transmit-time

      leaf leap {
        type Ntp-leap;
        description "Leap";
      }

      leaf peer-mode {
        type Ntp-mode;
        description
          "Peer's association mode";
      }

      leaf poll-interval {
        type uint8;
        description "Peer poll interval";
      }

      leaf is-ref-clock {
        type boolean;
        description "Is refclock";
      }

      leaf is-authenticated {
        type boolean;
        description "Is authenticated";
      }

      leaf root-delay {
        type string;
        description "Root delay";
      }

      leaf root-dispersion {
        type string;
        description "Root dispersion";
      }

      leaf synch-distance {
        type string;
        description "Synch distance";
      }

      leaf precision {
        type int8;
        description "Precision";
      }

      leaf version {
        type uint8;
        description "NTP version";
      }

      leaf filter-index {
        type uint32;
        description
          "Index into filter shift register";
      }

      leaf cast-flags {
        type uint8;
        description "Cast Flags";
      }

      list filter-detail {
        max-elements 8;
        description "Filter Details";
        uses FILTER-DETAILS;
      }  // list filter-detail
    }  // grouping NTP-EDM-PEER-DETAIL-INFO

    grouping NTP-EDM-ASSOC-DETAIL-RESULT {
      description
        "The NTP association detail result";
      leaf is-ntp-enabled {
        type boolean;
        description "Is NTP enabled";
      }

      leaf sys-leap {
        type Ntp-leap;
        description "Leap";
      }

      list peer-detail-info {
        description "Peer info";
        uses NTP-EDM-PEER-DETAIL-INFO;
      }  // list peer-detail-info
    }  // grouping NTP-EDM-ASSOC-DETAIL-RESULT
  }  // submodule Cisco-IOS-XR-ip-ntp-oper-sub1