submodule bbf-vdsl-performance-management {

    yang-version 1.1;

    belongs-to bbf-vdsl {
        prefix bbf-vdsl;
    }

    import ietf-interfaces {
      prefix if;
    }
    import bbf-fastdsl {
      prefix bbf-fastdsl;
    }

    include bbf-vdsl-xtu-line-performance-body;
    include bbf-vdsl-xtu-channel-performance-body;
    include bbf-vdsl-line;
    include bbf-vdsl-base-body;

    organization
      "Broadband Forum <https://www.broadband-forum.org>
Common YANG Work Area";

    contact
      "Comments or questions about this Broadband Forum YANG module
should be directed to <mailto:help@broadband-forum.org>.

Editor:      Ken Kerpez, ASSIA, Inc.

Editor:      Joey Boyd, Adtran

PS Leader:   Joey Boyd, Adtran

WA Director: Sven Ooghe, Nokia

WA Director: Joey Boyd, Adtran";

    description
      "This submodule contains a collection of YANG definitions for
managing performance statistics for VDSL interfaces.

Copyright (c) 2016-2022 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-355a4; see
the TR itself for full legal notices.";

    revision "2022-05-23" {
      description
        "Amendment 4.
* Approval Date:    2022-05-23
* Publication Date: 2022-05-23.";
      reference
        "TR-355a4: YANG Modules for FTTdp Management
        	    <https://www.broadband-forum.org/download/
        		   TR-355_Amendment-4.pdf>";

    }

    revision "2020-10-13" {
      description
        "Amendment 3.
* Approval Date:    2020-10-13
* Publication Date: 2020-10-13.";
      reference
        "TR-355a3: YANG Modules for FTTdp Management
        	    <https://www.broadband-forum.org/download/
        		   TR-355_Amendment-3.pdf>";

    }

    revision "2019-10-21" {
      description
        "Amendment 2 Corrigendum 1.
* Approval Date:    2019-10-21
* Publication Date: 2019-10-21.";
      reference
        "TR-355a2c1: YANG Modules for FTTdp Management
        	    <https://www.broadband-forum.org/download/
        		   TR-355_Amendment-2.pdf>";

    }

    revision "2019-06-11" {
      description
        "Amendment 2.
* Approval Date:    2019-06-11
* Publication Date: 2019-06-11.";
      reference
        "TR-355a2: YANG Modules for FTTdp Management
        	  <https://www.broadband-forum.org/technical/download/
        		 TR-355_Amendment-2.pdf>";

    }

    revision "2018-10-01" {
      description
        "Amendment 1.
* Approval Date:    2018-10-01
* Publication Date: 2018-10-01.";
      reference
        "TR-355a1: YANG Modules for FTTdp Management
        	  <https://www.broadband-forum.org/technical/download/
        		 TR-355_Amendment-1.pdf>";

    }

    revision "2017-11-27" {
      description
        "Corrigendum 2 (fixes to the previous revision).
* Approval Date:    see revision date above.
* Publication Date: 2018-01-19.";
      reference
        "TR-355c2: YANG Modules for FTTdp Management
        	  <https://www.broadband-forum.org/technical/download/
        		 TR-355_Corrigendum-2.pdf>";

    }

    revision "2017-03-13" {
      description
        "Corrigendum 1 (fixes to the initial revision).
* Approval Date:    see revision date above.
* Publication Date: 2017-04-12.";
      reference
        "TR-355c1: YANG Modules for FTTdp Management
        	  <https://www.broadband-forum.org/technical/download/
        		 TR-355_Corrigendum-1.pdf>";

    }

    revision "2016-07-18" {
      description
        "Initial revision.
* Approval Date:    see revision date above.
* Publication Date: 2016-08-05.";
      reference
        "TR-355: YANG Modules for FTTdp Management
        	<https://www.broadband-forum.org/technical/download/
        		 TR-355.pdf>";

    }


    feature performance-24hr {
      description
        "Indicates that collection of 24 hour performance intervals
is supported.";
    }

    augment /if:interfaces-state/if:interface/bbf-fastdsl:line/bbf-vdsl:line {
      description
        "xDSL Transmission Unit (xTU) Line Performance.";
      container performance {
        description
          "Performance parameters.";
        container intervals-15min {
          description
            "15 minute interval line performance counters.";
          container current {
            description
              "Contains the counts that are currently accumulating.";
            container xtu-c {
              description
                "xDSL Transmission Unit - Central office (xTU-C).";
              uses xtu-c-line-performance;
            }  // container xtu-c

            container xtu-r {
              description
                "xDSL Transmission Unit - Remote side (xTU-R).";
              uses xtu-r-line-performance;
            }  // container xtu-r
          }  // container current

          uses performance-history-15min-parameters;

          list history {
            key "interval-number";
            max-elements 96;
            description
              "A history of 15 minute intervals.";
            leaf interval-number {
              type performance-15min-history-interval;
              description
                "The number of the interval relative to the current
interval.";
            }

            container xtu-c {
              description
                "xDSL Transmission Unit - Central office (xTU-C).";
              uses line-time-stamp;

              uses xtu-c-line-performance;
            }  // container xtu-c

            container xtu-r {
              description
                "xDSL Transmission Unit - Remote side (xTU-R).";
              uses line-time-stamp;

              uses xtu-r-line-performance;
            }  // container xtu-r
          }  // list history
        }  // container intervals-15min

        container intervals-24hr {
          if-feature performance-24hr;
          description
            "24 hour interval line performance counters.";
          container current {
            description
              "Contains the counts that are currently accumulating.";
            container xtu-c {
              description
                "xDSL Transmission Unit - Central office (xTU-C).";
              uses xtu-c-line-performance;
            }  // container xtu-c

            container xtu-r {
              description
                "xDSL Transmission Unit - Remote side (xTU-R).";
              uses xtu-r-line-performance;
            }  // container xtu-r
          }  // container current

          uses performance-history-24hr-parameters;

          list history {
            key "interval-number";
            max-elements 96;
            description
              "A history of 24 hour intervals.";
            leaf interval-number {
              type performance-24hr-history-interval;
              description
                "The number of the interval relative to the current
interval.";
            }

            container xtu-c {
              description
                "xDSL Transmission Unit - Central office (xTU-C).";
              uses line-time-stamp;

              uses xtu-c-line-performance;
            }  // container xtu-c

            container xtu-r {
              description
                "xDSL Transmission Unit - Remote side (xTU-R).";
              uses line-time-stamp;

              uses xtu-r-line-performance;
            }  // container xtu-r
          }  // list history
        }  // container intervals-24hr
      }  // container performance
    }

    augment /if:interfaces-state/if:interface/bbf-fastdsl:line/bbf-vdsl:line/bbf-vdsl:channel {
      description
        "xDSL Transmission Unit Channel Performance config.";
      container performance {
        description
          "Performance parameters.";
        container intervals-15min {
          description
            "15 minute interval performance history.";
          container current {
            description
              "Contains the counts that are currently accumulating.";
            container xtu-c {
              description
                "xDSL Transmission Unit - Central office (xTU-C).";
              uses xtu-channel-performance-c;
            }  // container xtu-c

            container xtu-r {
              description
                "xDSL Transmission Unit - Remote side (xTU-R).";
              uses xtu-channel-performance-cfe;
            }  // container xtu-r
          }  // container current

          uses performance-history-15min-parameters;

          list history {
            key "interval-number";
            max-elements 96;
            description
              "A history of 15 minute intervals.";
            leaf interval-number {
              type performance-15min-history-interval;
              description
                "The number of the interval relative to the current
interval.";
            }

            container xtu-c {
              description
                "xDSL Transmission Unit - Central office (xTU-C).";
              uses xtu-channel-time-stamp;

              uses xtu-channel-performance-c;
            }  // container xtu-c

            container xtu-r {
              description
                "xDSL Transmission Unit - Remote side (xTU-R).";
              uses xtu-channel-time-stamp;

              uses xtu-channel-performance-cfe;
            }  // container xtu-r
          }  // list history
        }  // container intervals-15min

        container intervals-24hr {
          if-feature performance-24hr;
          description
            "24 hour interval performance history.";
          container current {
            description
              "Contains the counts that are currently accumulating.";
            container xtu-c {
              description
                "xDSL Transmission Unit - Central office (xTU-C).";
              uses xtu-channel-performance-c;
            }  // container xtu-c

            container xtu-r {
              description
                "xDSL Transmission Unit - Remote side (xTU-R).";
              uses xtu-channel-performance-cfe;
            }  // container xtu-r
          }  // container current

          uses performance-history-24hr-parameters;

          list history {
            key "interval-number";
            max-elements 96;
            description
              "A history of 24 hour intervals.";
            leaf interval-number {
              type performance-24hr-history-interval;
              description
                "The number of the interval relative to the current
interval.";
            }

            container xtu-c {
              description
                "xDSL Transmission Unit - Central office (xTU-C).";
              uses xtu-channel-time-stamp;

              uses xtu-channel-performance-c;
            }  // container xtu-c

            container xtu-r {
              description
                "xDSL Transmission Unit - Remote side (xTU-R).";
              uses xtu-channel-time-stamp;

              uses xtu-channel-performance-cfe;
            }  // container xtu-r
          }  // list history
        }  // container intervals-24hr
      }  // container performance
    }
  }  // submodule bbf-vdsl-performance-management