submodule bbf-xpon-channel-partition-body {
  yang-version 1.1;
  belongs-to bbf-xpon {
    prefix bbf-xpon;
  }

  import ietf-interfaces {
    prefix if;
  }
  import bbf-xpon-if-type {
    prefix bbf-xponift;
  }
  import bbf-xpon-types {
    prefix bbf-xpon-types;
  }
  include bbf-xpon-base;

  organization
    "Broadband Forum <https://www.broadband-forum.org>
     Fiber Access Networks Work Area";
  contact
    "Comments or questions about this Broadband Forum YANG module
     should be directed to <mailto:help@broadband-forum.org>.

     Editor:      Joey Boyd, ADTRAN

     Editor:      Samuel Chen, Broadcom

     Editor:      Robert Peschi, Nokia

     WA Director: Marta Seda, Calix

     WA Director: Lin Wei, Huawei";
  description
    "This submodule contains a collection of YANG definitions for
     managing channel partitions.

     Copyright (c) 2018, Broadband Forum

     Redistribution and use in source and binary forms, with or
     without modification, are permitted provided that the following
     conditions are met:

     1. Redistributions of source code must retain the above copyright
        notice, this list of conditions and the following disclaimer.

     2. Redistributions in binary form must reproduce the above
        copyright notice, this list of conditions and the following
        disclaimer in the documentation and/or other materials
        provided with the distribution.

     3. Neither the name of the copyright holder nor the names of its
        contributors may be used to endorse or promote products
        derived from this software without specific prior written
        permission.

     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
     CONTRIBUTORS \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES,
     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

     The above license is used as a license under copyright only.
     Please reference the Forum IPR Policy for patent licensing terms
     <https://www.broadband-forum.org/ipr-policy>.

     Any moral rights which are necessary to exercise under the above
     license grant are also deemed granted under this license.

     This version of this YANG module is part of TR-385; see
     the TR itself for full legal notices.";

  revision 2019-02-25 {
    description
      "Initial revision.
       * Approval Date:    2019-02-25.
       * Publication Date: 2019-02-25.";
    reference
      "TR-385: ITU-T PON YANG Modules
               <https://www.broadband-forum.org/technical/download/
                        TR-385.pdf>";
  }

  grouping channel-partition-config-data {
    description
      "All config data for a channel partition";
    leaf channel-group-ref {
      type if:interface-ref;
      must "derived-from-or-self(/if:interfaces"
         + "/if:interface[if:name=current()]/if:type,"
         + "'bbf-xponift:channel-group')" {
        error-message
          "Must reference a channel group.";
      }
      mandatory true;
      description
        "Reference to a channel group.";
    }
    leaf channel-partition-index {
      type uint8 {
        range "0..15";
      }
      description
        "This attribute identifies the partition inside the
         channel group.";
      reference
        "ITU-T G.989.3 clause 6.1.5.9 and clause 11.3.3.14.";
    }
    leaf downstream-fec {
      type boolean;
      default "true";
      description
        "Enable/Disable downstream FEC.
         Note that downstream FEC is always enabled for XG-PON and
         XGS-PON and thus a value of 'false' is ignored.";
      reference
        "ITU-T G.984.3 clause 13.1.2.1
         ITU-T G.987.3 clause 10.1
         ITU-T G.9807.1 clause C.10.1.1.1.3
         ITU-T G.989.3 clause 10.1.1.1.3";
    }
    leaf closest-onu-distance {
      type uint16 {
        range "0..40";
      }
      units "km";
      default "0";
      description
        "Establishes the distance of the closest ONU.
         Used to determine how to equalize delay
         between the ONUs.";
    }
    leaf maximum-differential-xpon-distance {
      type uint16 {
        range "20 | 40";
      }
      units "km";
      default "20";
      description
        "This attribute provides the ability to set the maximum
         differential logical reach for a channel partition.";
      reference
        "ITU-T G.989.1 clause 8.2
         ITU-T G.989.3 clause 13.1.";
    }
    leaf authentication-method {
      type bbf-xpon-types:auth-method-type;
      default "serial-number";
      description
        "ONU Authentication mode option for this
         channel partition.";
      reference
        "ITU-T G.984.3, section VI.1.";
    }
    leaf multicast-aes-indicator {
      type boolean;
      default "false";
      description
        "Used to designate whether AES should be
         enabled/disabled for multicast GEM ports.";
      reference
        "ITU-T G.984.3, section 12.2. and 9.2.3.8
         ITU-T G.987.3, section 15.5.1 and 15.5.4
         ITU-T G.9807.1, section C.15.5.1 and C.15.5.4
         ITU-T G.989.3, section 15.5.1 and 5.5.4.";
    }
  }

  augment '/if:interfaces/if:interface/bbf-xpon:channel-partition' {
    description
      "Configuration of an xPON channel partition.";
    uses channel-partition-config-data;
  }
}