submodule Cisco-IOS-XR-infra-tc-oper-sub1 {

    yang-version 1;

    belongs-to Cisco-IOS-XR-infra-tc-oper {
        prefix Cisco-IOS-XR-infra-tc-oper;
    }

    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 infra-tc package operational data.
     
     Copyright (c) 2013-2019 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2019-06-17" {
      description
        "Change type of tunnel interface name to string";
    }

    revision "2019-05-30" {
      description
        "Fix to extend range of valid OC-AFT Labels";
    }

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

    revision "2019-01-01" {
      description
        "Yang evaluator: updates to schema descriptions.";
    }

    revision "2018-11-30" {
      description
        "Adding label data and total count stats for OC-AFT.";
    }

    revision "2018-10-05" {
      description
        "Removed stat collection message statistics. LDP label is provided in prefix info if present.";
    }

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

    semver:module-version "1.0.0";

    grouping TC-MGMT-MSG-STAT {
      description
        "TC Server Message Statistics";
      leaf packet-sent {
        type uint64;
        description "Number of packets sent";
      }

      leaf byte-sent {
        type uint64;
        units "byte";
        description "Number of bytes sent";
      }

      leaf packet-received {
        type uint64;
        description
          "Number of packets received";
      }

      leaf byte-received {
        type uint64;
        units "byte";
        description
          "Number of bytes received";
      }

      leaf maximum-roundtrip-latency {
        type uint32;
        description
          "Maximum message roundtrip latency in msec";
      }

      leaf maimum-latency-timestamp {
        type uint64;
        description
          "Timestamp of maximum latency";
      }
    }  // grouping TC-MGMT-MSG-STAT

    grouping TC-MGMT-VRF-STAT {
      description
        "Statistics on VRF Table and its sub-tables";
      container database-statistics-ipv4 {
        description
          "Database statistics for IPv4 table";
        uses TC-MGMT-DB-STAT;
      }  // container database-statistics-ipv4

      container database-statistics-tunnel {
        description
          "Database statistics for Tunnel table";
        uses TC-MGMT-DB-STAT;
      }  // container database-statistics-tunnel

      leaf vrf-name {
        type string;
        description "VRF name";
      }
    }  // grouping TC-MGMT-VRF-STAT

    grouping TC-MGMT-DB-STAT {
      description "Database statistics";
      leaf number-of-entries {
        type uint32;
        description
          "Number of entries in the database";
      }

      leaf number-of-stale-entries {
        type uint32;
        description
          "Number of stale entries in the database";
      }

      leaf number-of-add-operations {
        type uint64;
        description
          "Number of add operations for the database";
      }

      leaf number-of-delete-operations {
        type uint64;
        description
          "Number of delete operations for the database";
      }
    }  // grouping TC-MGMT-DB-STAT

    grouping TC-MGMT-SUMMARY {
      description "TC Server Summary";
      container database-statistics-external-interface {
        description
          "Configured external interface counts";
        uses TC-MGMT-DB-STAT;
      }  // container database-statistics-external-interface

      leaf collection-interval {
        type uint8;
        units "minute";
        description
          "Statistic collection interval in minutes";
      }

      leaf collection-timer-is-running {
        type boolean;
        description
          "Flag to indicate if collection timer is running";
      }

      leaf timeout-interval {
        type uint16;
        units "hour";
        description
          "Statistic history timeout interval in hours";
      }

      leaf timeout-timer-is-running {
        type boolean;
        description
          "Flag to indicate if history timeout timer is
         running";
      }

      leaf history-size {
        type uint8;
        description
          "Statistics history size";
      }

      leaf total-prefix-count {
        type uint32;
        description
          "Total count of prefix entries";
      }

      list vrf-statistic {
        description "VRF table statistics";
        uses TC-MGMT-VRF-STAT;
      }  // list vrf-statistic

      list checkpoint-message-statistic {
        description
          "Statistics per message type for Chkpt";
        uses TC-MGMT-MSG-STAT;
      }  // list checkpoint-message-statistic
    }  // grouping TC-MGMT-SUMMARY

    grouping TC-MGMT-EXT-IF-DATA {
      description
        "TC Server external interface data";
      leaf interface-name-xr {
        type string;
        description
          "Interface name in Display format";
      }

      leaf interface-handle {
        type uint32;
        description
          "Interface handle for the external interface";
      }

      leaf vrfid {
        type uint32;
        description "Interface VRF ID";
      }

      leaf is-interface-enabled {
        type boolean;
        description
          "Flag to indicate interface enabled or not";
      }
    }  // grouping TC-MGMT-EXT-IF-DATA

    grouping TC-MGMT-OCAFT-SUMMARY {
      description "TC oc-aft Server Summary";
      leaf collection-interval {
        type uint8;
        units "minute";
        description
          "Statistic collection interval in minutes";
      }

      leaf collection-timer-is-running {
        type boolean;
        description
          "Flag to indicate if collection timer is running";
      }

      leaf total-label-count {
        type uint32;
        description
          "Total count of oc-aft label entries";
      }
    }  // grouping TC-MGMT-OCAFT-SUMMARY

    grouping TC-MGMT-TUNNEL-DATA {
      description "TC Server tunnel data";
      container base-counter-statistics {
        description
          "Base counter statistics for the tunnel";
        uses TC-MGMT-COUNT-STATS;
      }  // container base-counter-statistics

      leaf interface-name-xr {
        type string;
        description
          "Interface name in Display format";
      }

      leaf interface-handle {
        type uint32;
        description
          "Interface handle for the tunnel";
      }

      leaf vrfid {
        type uint32;
        description "Interface VRF ID";
      }

      leaf is-active {
        type boolean;
        description
          "Interface is Active and collecting new
         Statistics";
      }
    }  // grouping TC-MGMT-TUNNEL-DATA

    grouping TC-MGMT-COUNT-HISTORY {
      description
        "TC Server counter statistics";
      leaf event-start-timestamp {
        type uint64;
        description
          "Time when the collection interval started";
      }

      leaf event-end-timestamp {
        type uint64;
        description
          "Time when the collection interval ended";
      }

      leaf transmit-number-of-packets-switched {
        type uint64;
        description
          "Number of packets switched in this interval";
      }

      leaf transmit-number-of-bytes-switched {
        type uint64;
        units "byte";
        description
          "Number of Bytes switched in this interval";
      }

      leaf is-valid {
        type boolean;
        description
          "Flag to indicate if this history entry is valid";
      }
    }  // grouping TC-MGMT-COUNT-HISTORY

    grouping TC-MGMT-COUNT-STATS {
      description
        "TC Server counter statistics";
      leaf transmit-packets-per-second-switched {
        type uint64;
        units "packet/s";
        description
          "Average Rate of Packets/second switched";
      }

      leaf transmit-bytes-per-second-switched {
        type uint64;
        units "byte/s";
        description
          "Average Rate of Bytes/second switched";
      }

      list count-history {
        description "Counter History";
        uses TC-MGMT-COUNT-HISTORY;
      }  // list count-history
    }  // grouping TC-MGMT-COUNT-STATS

    grouping TC-MGMT-PREFIX-DATA {
      description "TC Server Prefix data";
      container base-counter-statistics {
        description
          "Base counter statistics for the prefix";
        uses TC-MGMT-COUNT-STATS;
      }  // container base-counter-statistics

      container traffic-matrix-counter-statistics {
        description
          "Traffic Matrix (TM) counter statistics for the
         prefix";
        uses TC-MGMT-COUNT-STATS;
      }  // container traffic-matrix-counter-statistics

      leaf prefix {
        type string;
        description
          "Prefix Address (V4 or V6 Format)";
      }

      leaf label-xr {
        type uint32;
        description "SR Label";
      }

      leaf ldp-label {
        type uint32;
        description "LDP Label";
      }

      leaf is-active {
        type boolean;
        description
          "Prefix is Active and collecting new Statistics";
      }
    }  // grouping TC-MGMT-PREFIX-DATA

    grouping TC-MGMT-COUNT-TOTAL {
      description "TC Server total counts";
      leaf last-collection-time {
        type uint64;
        description
          "Last time the stats were collected";
      }

      leaf transmit-packets-switched {
        type uint64;
        description "Total Packets switched";
      }

      leaf transmit-bytes-switched {
        type uint64;
        units "byte";
        description "Total Bytes switched";
      }
    }  // grouping TC-MGMT-COUNT-TOTAL

    grouping TC-MGMT-LABEL-DATA {
      description "TC Server Label data";
      container base-counter-total {
        description
          "Base counter total bytes/packets";
        uses TC-MGMT-COUNT-TOTAL;
      }  // container base-counter-total

      leaf label-xr {
        type uint32;
        description "Label";
      }

      leaf is-active {
        type boolean;
        description
          "Label is Active and collecting new Statistics";
      }
    }  // grouping TC-MGMT-LABEL-DATA
  }  // submodule Cisco-IOS-XR-infra-tc-oper-sub1