module onf-ptp-dataset {
    namespace "urn:onf:params:xml:ns:yang:onf-ptp-dataset";
    prefix ptp-ex;

    import ietf-yang-types {
        prefix yang;
    }
    import core-model {
        prefix core-model;
    }
    import ietf-ptp-dataset {
        prefix ptp;
    }

    organization "ONF (Open Networking Foundation) Open Transport Working Group - Wireless Transport Project";
    contact "WG Web: <https://www.opennetworking.org/technical-communities/areas/specification/1931-optical-transport>
             WG List:  <mailto:wireless-transport@login.opennetworking.org>
             WG Chair: Lyndon Ong
                       <mailto:lyong@ciena.com>
             Editors:  Alfons Mittermaier
                       <mailto:alfons.mittermaier@@highstreet-technologies.com>
                       Martin Skorupski
                       <mailto:martin.skorupski@highstreet-technologies.com>";
    description "This module contains a collection of YANG definitions to extent ptp-dataset.";
    revision 2017-05-08 {
        description "Initial version";
        reference "A YANG Data Model extending ptp-dataset.";
    }

    augment "/ptp:instance-list/ptp:default-ds" {
        description
            "Addition of data nodes for the default data set of the clock.";

        leaf local-priority {
            type uint8;
            default 128;
            description
                "none";
            reference 
                "ITU-T G.8275.1 Precision time protocol telecom profile for phase/time 
                 synchronization with full timing support from the network
                 Chapter 6.3.2";
        }

        leaf max-steps-removed {
            type uint8;
            default 128;
            description
                "none";
            reference 
                "ITU-T G.8275.1 Precision time protocol telecom profile for phase/time 
                 synchronization with full timing support from the network
                 Chapter 6.3";
        }

        leaf multicast-mac-address {
            type yang:mac-address;
            description
                "none";
        }
        
        leaf designated-enabled {
            type boolean;
            default true;
            description
                "A PTP Clock needs to be enabled by management.";
        }
    }

    augment "/ptp:instance-list/ptp:port-ds-list" {
        description
            "Addition of data nodes for the default data set of the clock.";

        leaf master-only {
            type boolean;
            default true;
            description
                "Indicates that port can only be a master.";
        }

        leaf local-priority {
            type uint8;
            default 128;
            description
                "Local priority as used for alternate BMCA";
            reference 
                "ITU-T G.8275.1 Precision time protocol telecom profile for phase/time 
                 synchronization with full timing support from the network
                 Chapter 6.3.2";
        }

        leaf designated-enabled {
            type boolean;
            default true;
            description
                "A PTP Port needs to be enabled by management.";
            reference 
                "IEEE 1588-2008 IEEE Standard for a Precision Clock Synchronization Protocol 
                 for Networked Measurement and Control Systems
                 Chapter 9.2";
        }

        leaf delay-asymmetry {
            type int64;
            default 0;
            description
                "As per PTP	Known path asymmetry in ns.";
            reference 
                "ITU-T G.8275.1 Precision time protocol telecom profile for phase/time 
                 synchronization with full timing support from the network
                 Chapter 7.4.2";
        }
        
        leaf logical-termination-point {
            type leafref {
                path '/core-model:network-element/core-model:ltp/core-model:uuid';
            }
            description
                "A reference to a LTP of layer-protocol-name 'ETY' or 'MWPS', which is used 
                 to discover the PTP topology.";
        }

    }

}