module fujitsu-transport-ethernet-interfaces {

    yang-version 1.1;

    namespace
      "urn:fujitsu:params:xml:ns:yang:interface:transport-eth";

    prefix transport-eth;

    import ietf-interfaces {
      prefix if;
    }
    import fujitsu-ethernet-interfaces-common {
      prefix eth-common;
    }
    import fujitsu-ains-keywords {
      prefix ains;
    }

    organization "Fujitsu Ltd.";

    contact
      "Fujitsu Ltd.
     
     Address: 2801 Telecom Parkway
              Richardson, Texas 75082
     
     Tel: +1-800-USE-FTAC (1-800-873-3822)
     Email: ftac@fnc.fujitsu.com
     Web: www.fujitsu.com/us/services/telecom";

    description
      "This module contains YANG definitions 
     for Transport Ethernet Interfaces. 
     
     Copyright (c) 2015 Fujitsu Ltd.
     All rights reserved. ";

    revision "2018-06-21" {
      description
        "adding clear-diagnostics feature.";
    }

    revision "2017-08-18" {
      description
        "Added csf to ltxoff enum values";
    }

    revision "2017-05-23" {
      description
        "Corrected typo for tx-cloxk-source";
    }

    revision "2017-05-19" {
      description
        " Added actual-vstimer for backward compatibility";
    }

    revision "2017-05-12" {
      description
        " Added AINS for transport-eth container";
    }

    revision "2017-02-01" {
      description
        "Adding link_monitoring leasf for Tseries Products";
    }

    revision "2015-08-31" {
      description "Initial revision.";
    }


    feature clear-diagnostics {
      description
        "This feature is used to clear the diagnostics and maintenance counter.";
    }

    grouping transport-eth-attributes {
      leaf act-laser {
        type enumeration {
          enum "none" {
            value 0;
            description
              "when laser status is non known. E.g. in situation when hardware cannot be accessed to know the laser status.";
          }
          enum "normal" {
            value 1;
            description "laser is on";
          }
          enum "shutdown" {
            value 2;
            description "laser is off";
          }
        }
        description
          "actual transmit laser status";
      }

      leaf link_monitoring {
        type enumeration {
          enum "monitor_all" {
            value 0;
          }
          enum "pcs-only" {
            value 1;
          }
        }
        default "pcs-only";
        description "Link Monitoring Mode";
      }

      leaf tsf {
        type enumeration {
          enum "lf" {
            value 0;
            description "Local Fault";
          }
          enum "idle" {
            value 1;
            description "Idle";
          }
        }
        description
          "Codeword to send during Transport Signal Failure";
      }

      leaf btsf {
        type enumeration {
          enum "none" {
            value 0;
            description "Nothing";
          }
          enum "rf" {
            value 1;
            description "Remote Fault";
          }
        }
        description
          "Codeword to send during Backward Transport Signal Failure";
      }

      leaf ltxoff {
        type enumeration {
          enum "none" {
            value 0;
          }
          enum "rlanflt" {
            value 1;
          }
          enum "tsfs" {
            value 2;
          }
          enum "btsfs" {
            value 3;
          }
          enum "all" {
            value 4;
          }
          enum "csf" {
            value 5;
          }
        }
        default "none";
        description "LTXOFF Choices";
      }

      leaf direction {
        type enumeration {
          enum "uni-rx" {
            value 0;
            description
              "unidirectional receive only";
          }
          enum "uni-tx" {
            value 1;
            description
              "unidirectional transmit only";
          }
          enum "bi" {
            value 2;
            description "bidirectional";
          }
        }
        description "direction Choices";
      }

      leaf tx-clock-source {
        type enumeration {
          enum "through" {
            value 0;
            description
              "Timing is passed through";
          }
          enum "internal" {
            value 1;
            description
              "Timing is from internal clock";
          }
        }
        description
          "Transmit Clock - Specifies source of transit timing";
      }

      leaf alm-transfer-delay {
        type uint16;
        units "ms";
        description
          "Alarm transfer delay time in msec
         Delays the shutdown (due to ltxoff provisioning) of the laser.
         Has no effect when ltxoff is set to none.";
      }

      leaf actual-vstimer {
        type string {
          pattern
            "([0-4][0-8])-([0-5][0-9])";
        }
        config false;
        description
          "The amount of time a valid state timer has been running uninterrupted.
         This timer is in the format <hh>-<mm>.";
      }
    }  // grouping transport-eth-attributes

    augment /if:interfaces/if:interface {
      container transport-ethernet {
        when
          "(../if:type = 'ianaift:ethernetCsmacd' )";
        presence
          "Enables Transport Ethernet Interface";
        description
          "Transport Ethernet Interface";
        uses eth-common:common-eth-attributes;

        uses transport-eth-attributes {
          refine act-laser {
            config false;
          }
        }

        uses ains:ains-prov-keywords;

        action clear-diagnostics {
          if-feature clear-diagnostics;
          description
            "Perform maintenance and diagnostic counter clear.";
          input {
            leaf counter {
              type enumeration {
                enum "facility" {
                  value 0;
                  description
                    "Clears all Facility counters.";
                }
                enum "terminal" {
                  value 1;
                  description
                    "Clears all Terminal counters.";
                }
              }
              description
                "Maintenance and Diagnostic counter to be cleared.";
            }
          }

          output {
            leaf status {
              type string;
            }
          }
        }  // rpc clear-diagnostics
      }  // container transport-ethernet
    }
  }  // module fujitsu-transport-ethernet-interfaces