module bbf-xpongemtcont {

    yang-version 1.1;

    namespace
      "urn:bbf:yang:bbf-xpongemtcont";

    prefix bbf-xpongemtcont;

    include bbf-xpongemtcont-base;
    include bbf-xpongemtcont-traffic-descriptor-profile-body;
    include bbf-xpongemtcont-tcont-body;
    include bbf-xpongemtcont-gemport-body;

    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:info@broadband-forum.org>.

Editor:      Joey Boyd, ADTRAN

Editor:      Igor Ternovsky, Broadcom

Editor:      Robert Peschi, Nokia

WA Director: Marta Seda, Calix

WA Director: Samuel Chen, Broadcom";

    description
      "This module contains a collection of YANG definitions for
supporting the Broadband Forum requirements on management of
ITU-T Passive Optical Network (PON) interfaces as defined in
ITU-T G.984.x, G.987.x, ITU-T G.989.x and ITU-T G.9807.x. As
such, this module is specific to access network equipment (e.g.,
BBF-specified Access Nodes and FTTdp DPUs).

Specifically, this module defines management of G-PON
Encapsulation Method (GEM) ports, Transmission Containers
(T-CONT) and traffic descriptors.

Copyright (c) 2018-2020, 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-385i2; see
the TR itself for full legal notices.";

    revision "2020-10-13" {
      description
        "Issue 2.
* Approval Date:    2020-10-13.
* Publication Date: 2020-10-13.";
      reference
        "TR-385i2: ITU-T PON YANG Modules
        	<https://www.broadband-forum.org/technical/download/
        		 TR-385_Issue-2.pdf>";

    }

    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>";

    }


    // features

    feature configurable-alloc-id {
      description
        "Indicates support for configuration of the Allocation
Identifier (Alloc-ID).";
    }

    feature configurable-gemport-id {
      description
        "Indicates support for configuration of the G-PON Encapsulation
Method (GEM) port ID.";
    }

    // typedefs
    typedef alloc-id {
      type uint16;
      description
        "Transmission Container (T-CONT) Allocation Identifier
(Alloc-ID). For G-PON the value should be in [256..4095] and
for XG-PON, XGS-PON and NG-PON2 it should be in
[1024..16383].";
      reference
        "ITU-T G.984.3 clause 5.5.3
        ITU-T G.987.3 clause 6.4.3
        ITU-T G.9807.1 clause C.6.1.5.7
        ITU-T G.989.3 clause 6.1.5.7";

    }

    // objects
    container xpongemtcont {
      description
        "Configuration associated with xPON G-PON Encapsulation Method
(GEM) ports, T-CONTs, and traffic descriptors.";
      container traffic-descriptor-profiles {
        description
          "Traffic descriptor profile configuration.";
        list traffic-descriptor-profile {
          key "name";
          description
            "List of traffic descriptor profiles.";
          leaf name {
            type string;
            description
              "Traffic descriptor profile name.";
          }

          leaf fixed-bandwidth {
            type uint64;
            units "bits/second";
            default "0";
            description
              "Represents the reserved portion of the link capacity that
is allocated to the given traffic flow, regardless of its
traffic demand and the overall traffic load conditions.";
            reference
              "ITU-T G.984.3 clause 7.4.4.3";

          }

          leaf assured-bandwidth {
            type uint64;
            units "bits/second";
            default "0";
            description
              "Represents a portion of the link capacity that is allocated
to the given traffic flow as long as the flow has
unsatisfied traffic demand, regardless of the overall
traffic conditions.";
            reference
              "ITU-T G.984.3 clause 7.4.4.3";

          }

          leaf maximum-bandwidth {
            type uint64;
            units "bits/second";
            must
              "(boolean(../fixed-bandwidth) and
boolean(../assured-bandwidth) and
(. >= ../fixed-bandwidth + ../assured-bandwidth))
or
(boolean(../fixed-bandwidth) and
not(boolean(../assured-bandwidth)) and
(. >= ../fixed-bandwidth))
or
(not(boolean(../fixed-bandwidth)) and
boolean(../assured-bandwidth) and
(. >= ../assured-bandwidth))
or
(not(boolean(../fixed-bandwidth)) and
not(boolean(../assured-bandwidth)))" {
              error-message
                "The maximum bandwidth must be greater than or equal to
the sum of the configured fixed and assured bandwidth.";
              description
                "The maximum bandwidth must be greater than or equal
to the sum of any configured fixed and assured
bandwidth.";
            }
            mandatory true;
            description
              "Represents the upper limit on the total bandwidth that can
be allocated to the traffic flow under any traffic
conditions.";
            reference
              "ITU-T G.984.3 clause 7.4.4.3";

          }

          leaf priority {
            type uint8 {
              range "1..8";
            }
            description
              "Used for scheduling traffic on a Transmission Container
(T-CONT).";
            reference
              "ITU-T G.984.3 clause 7.4.5";

          }

          leaf weight {
            type uint8;
            description
              "Used for scheduling traffic on a Transmission Container
(T-CONT).";
            reference
              "ITU-T G.984.3 clause 7.4.5";

          }

          leaf additional-bw-eligibility-indicator {
            type enumeration {
              enum "non-assured-sharing" {
                value 0;
                description
                  "The Transmission Container (T-CONT) is eligible for
non-assured bandwidth in addition to the bandwidth
described by this traffic descriptor.";
              }
              enum "best-effort-sharing" {
                value 1;
                description
                  "The Transmission Container (T-CONT) is eligible for
best effort bandwidth in addition to the bandwidth
described by this traffic descriptor.";
              }
              enum "none" {
                value 2;
                description
                  "The Transmission Container (T-CONT) is not eligible for
any additional bandwidth beyond the bandwidth described
by this traffic descriptor.";
              }
            }
            must
              ". = 'non-assured-sharing' or
. = 'best-effort-sharing' or
(. = 'none' and
((boolean(../fixed-bandwidth) and
boolean(../assured-bandwidth) and
(../maximum-bandwidth = ../fixed-bandwidth +
../assured-bandwidth))
or
(boolean(../fixed-bandwidth) and
not(boolean(../assured-bandwidth)) and
(../maximum-bandwidth = ../fixed-bandwidth))
or
(not(boolean(../fixed-bandwidth)) and
boolean(../assured-bandwidth) and
(../maximum-bandwidth = ../assured-bandwidth))
or
(not(boolean(../fixed-bandwidth)) and
not(boolean(../assured-bandwidth)) and
../maximum-bandwidth = 0)))";
            description
              "In case of rate-proportional assignment of
additional bandwidth, additional bandwidth
eligibility can be provisioned to either value
(non-assured-sharing, best-effort-sharing,
or none). The additional bandwidth is described as:

maximum-bandwidth - (fixed-bandwidth + assured-bandwidth)";
            reference
              "ITU-T G.984.3 clause 7.4.4.3
              ITU-T G.989.3 clause 7.3.5";

          }
        }  // list traffic-descriptor-profile
      }  // container traffic-descriptor-profiles

      container tconts {
        description
          "Transmission Container (T-CONT) configuration data.";
        list tcont {
          key "name";
          description
            "List of Transmission Containers (T-CONT).";
          leaf name {
            type bbf-yang:string-ascii64;
            description
              "Name of the Transmission Container (T-CONT).";
          }

          leaf alloc-id {
            if-feature bbf-xpongemtcont:configurable-alloc-id;
            type alloc-id;
            description
              "Transmission Container (T-CONT) Allocation Identifier
(Alloc-ID). When configured this is the value which must
actually be used between the Optical Line Termination (OLT)
device and Optical Network Unit (ONU) device for this
T-CONT. For G-PON the value should be in [256..4095] and
for XG-PON, XGS-PON and NG-PON2 it should be in
[1024..16383].";
            reference
              "ITU-T G.984.3 clause 5.5.3
              ITU-T G.987.3 clause 6.4.3
              ITU-T G.9807.1 clause C.6.1.5.7
              ITU-T G.989.3 clause 6.1.5.7";

          }

          leaf interface-reference {
            type if:interface-ref;
            must
              "derived-from-or-self(/if:interfaces/if:interface[if:name=current()]/if:type,'bbf-xponift:v-ani') or derived-from-or-self(/if:interfaces/if:interface[if:name=current()]/if:type,'bbf-xponift:ani')" {
              error-message
                "Must reference an interface of type 'v-ani' or 'ani'.";
            }
            description
              "Reference to 'v-ani' or 'ani' type interface.";
          }

          leaf traffic-descriptor-profile-ref {
            type leafref {
              path "/bbf-xpongemtcont:xpongemtcont/bbf-xpongemtcont:traffic-descriptor-profiles/bbf-xpongemtcont:traffic-descriptor-profile/bbf-xpongemtcont:name";
            }
            description
              "References an existing traffic descriptor profile.";
          }

          container tm-root {
            presence
              "Indicates the interface supports queues, either directly or
through a scheduling hierarchy. Interfaces that support
queues are typically the lowest layer of an interface stack
that is Ethernet frame aware.";
            description
              "The attributes of the root in the scheduling tree.";
            choice children-type {
              description
                "Choice of children types of a scheduler node.";
              case queues {
                description
                  "In this mode the interface related to the tm-root can
directly be selected by the forwarding process and has
its own set of queues. Hence the scheduling of a frame
from a forwarder to the egress queue takes place in a
single stage.";
                list queue {
                  key "local-queue-id";
                  description "A queue.";
                  leaf local-queue-id {
                    type queue-id;
                    description
                      "The identification of a queue within the context of this
list.";
                  }

                  leaf bac-name {
                    type leafref {
                      path "/bbf-qos-tm:tm-profiles/bbf-qos-tm:bac-entry/bbf-qos-tm:name";
                    }
                    description
                      "The name of a referenced BAC entry.";
                  }

                  choice queue-scheduling-cfg-type {
                    description
                      "Choice of queue scheduling types.";
                    case inline {
                      description
                        "The queue parameters are directly configured here.";
                      leaf priority {
                        type scheduling-priority;
                        description
                          "The priority used to schedule frames from a queue or
scheduler, relative to the priority assigned to other queues
or schedulers that are defined in the same traffic scheduling
context. For example the set of queues defined for a
particular interface form the context for scheduling outgoing
traffic to this interface.";
                      }

                      leaf weight {
                        type scheduling-weight;
                        description
                          "Queues or schedulers that are defined in a particular
context, e.g. queues defined to schedule outgoing traffic to
an interface, can have the same priority. The weight defines
the portion of traffic that will be taken from this queue or
scheduler by comparing the weight of this queue or scheduler
against the sum of the weights of all queues or schedulers
with the same scope and the same priority.";
                      }

                      leaf extended-weight {
                        if-feature bbf-qos-tm:extended-scheduling-weight;
                        type extended-scheduling-weight;
                        must
                          "not(boolean(../weight))" {
                          description
                            "Both weight and extended weight must not be configured at
the same time.";
                        }
                        description
                          "Queues or schedulers that are defined in a particular
context, e.g. queues defined to schedule outgoing traffic to
an interface, can have the same priority. The weight defines
the portion of traffic that will be taken from this queue or
scheduler by comparing the weight of this queue or scheduler
against the sum of the weights of all queues or schedulers
with the same scope and the same priority.";
                      }
                    }  // case inline

                    case dual-rate-scheduling {
                      if-feature bbf-qos-tm:dual-rate-scheduling-from-queue;
                      description
                        "The queue parameters are directly configured here.";
                      container dual-rate-scheduling {
                        description
                          "Configuration which determines the separate processing
of CIR and EIR traffic.";
                        container cir-traffic {
                          description
                            "Configuration for the CIR type of traffic from the
child scheduler that is used by the parent
scheduler.";
                          leaf priority {
                            type extended-scheduling-priority;
                            description
                              "The priority used to schedule frames from a queue or
scheduler, relative to the priority assigned to other queues
or schedulers that are defined in the same traffic scheduling
context. For example the set of queues defined for a
particular interface form the context for scheduling outgoing
traffic to this interface.";
                          }

                          leaf extended-weight {
                            type extended-scheduling-weight;
                            description
                              "Queues or schedulers that are defined in a particular
context, e.g. queues defined to schedule outgoing traffic to
an interface, can have the same priority. The weight defines
the portion of traffic that will be taken from this queue or
scheduler by comparing the weight of this queue or scheduler
against the sum of the weights of all queues or schedulers
with the same scope and the same priority.";
                          }
                        }  // container cir-traffic

                        container eir-traffic {
                          description
                            "Configuration for the EIR type of traffic from the
child scheduler that is used by the parent
scheduler.";
                          leaf priority {
                            type extended-scheduling-priority;
                            description
                              "The priority used to schedule frames from a queue or
scheduler, relative to the priority assigned to other queues
or schedulers that are defined in the same traffic scheduling
context. For example the set of queues defined for a
particular interface form the context for scheduling outgoing
traffic to this interface.";
                          }

                          leaf extended-weight {
                            type extended-scheduling-weight;
                            description
                              "Queues or schedulers that are defined in a particular
context, e.g. queues defined to schedule outgoing traffic to
an interface, can have the same priority. The weight defines
the portion of traffic that will be taken from this queue or
scheduler by comparing the weight of this queue or scheduler
against the sum of the weights of all queues or schedulers
with the same scope and the same priority.";
                          }
                        }  // container eir-traffic
                      }  // container dual-rate-scheduling
                    }  // case dual-rate-scheduling
                  }  // choice queue-scheduling-cfg-type

                  leaf pre-emption {
                    if-feature bbf-qos-tm:pre-emption;
                    type boolean;
                    description
                      "Indicates whether the transmission of a frames from this
queue can be interrupted in favor of frames from a higher
priority queue.";
                  }
                }  // list queue

                leaf queue-statistics-enable {
                  if-feature bbf-qos-tm:queue-statistics;
                  type boolean;
                  description
                    "If true, enable statistics collection per queue. When
transitioning from false to true (disabled to enabled), any
existing counts should be cleared.

The leaf not existing has the same meaning as queue
statistics being disabled.";
                }
              }  // case queues
            }  // choice children-type

            leaf tc-id-2-queue-id-mapping-profile-name {
              if-feature bbf-qos-tm:tc-id-2-queue-id-mapping-config;
              type leafref {
                path "/bbf-qos-tm:tm-profiles/bbf-qos-tm:tc-id-2-queue-id-mapping-profile/bbf-qos-tm:name";
              }
              description
                "The name of a referenced traffic-class-id to queue-id mapping
profile.";
            }
          }  // container tm-root
        }  // list tcont
      }  // container tconts

      container gemports {
        description
          "G-PON Encapsulation Method (GEM) port configuration data.";
        list gemport {
          key "name";
          description
            "List of G-PON Encapsulation Method (GEM) ports.";
          leaf name {
            type bbf-yang:string-ascii64;
            description
              "Name of G-PON Encapsulation Method (GEM) port.";
          }

          leaf gemport-id {
            if-feature bbf-xpongemtcont:configurable-gemport-id;
            type uint32;
            description
              "ID of G-PON Encapsulation Method (GEM) port. When
configured this is the value which must actually be used
between the Optical Line Termination (OLT) device and
Optical Network Unit (ONU) device for this GEM port. For
G-PON the value should be in [0..4095] and not conflicting
with the 'management-gemport-id', for XG-PON it should be
in [1023..65534] and for XGS-PON and NG-PON2 it should be
in [1021..65534].";
            reference
              "ITU-T G.984.3 clause 5.5.5
              ITU-T G.987.3 clause 6.4.4
              ITU-T G.9807.1 clause C.6.1.5.8
              ITU-T G.989.3 clause 6.1.5.8";

          }

          leaf interface {
            type if:interface-ref;
            description
              "Points to an interface.";
          }

          leaf traffic-class {
            type uint8 {
              range "0..7";
            }
            description
              "Traffic Class value.";
          }

          leaf downstream-aes-indicator {
            type boolean;
            default "false";
            description
              "Used to designate whether Advanced Encryption Standard
(AES) should be enabled/disabled for this G-PON
Encapsulation Method (GEM) port for the downstream
direction.";
            reference
              "ITU-T G.984.3 clause 12.1
              ITU-T G.987.3 clause 15.5.1
              ITU-T G.9807.1 clause C.15.5.1
              ITU-T G.989.3 clause 15.5.1";

          }

          leaf upstream-aes-indicator {
            type boolean;
            default "false";
            description
              "Used to designate whether Advanced Encryption Standard
(AES) should be enabled/disabled for this G-PON
Encapsulation Method (GEM) port for the upstream direction.

This is not applicable for G-PON. Any configured value
will be ignored.";
            reference
              "ITU-T G.987.3 clause 15.5.1
              ITU-T G.9807.1 clause C.15.5.1
              ITU-T G.989.3 clause 15.5.1";

          }

          leaf tcont-ref {
            type leafref {
              path "/bbf-xpongemtcont:xpongemtcont/bbf-xpongemtcont:tconts/bbf-xpongemtcont:tcont/bbf-xpongemtcont:name";
            }
            description
              "For the purpose of upstream scheduling in the Optical
Network Unit (ONU), a G-PON Encapsulation Method (GEM) port
needs to refer to the Transmission Container (T-CONT) into
which it feeds upstream traffic.";
          }

          container performance {
            description
              "Performance parameters.";
            leaf enable {
              type boolean;
              default "false";
              description
                "If true, enables counting of performance statistics.
Then performance statistics will be available in
/xpongemtcont-state/gemports/gemport/performance.
i.e. 15 minutes statistics and 24 hours statistics,
and for both there are current statistics and history
data.

If false, then there are no performance statistics.";
            }
          }  // container performance
        }  // list gemport
      }  // container gemports
    }  // container xpongemtcont

    container xpongemtcont-state {
      config false;
      description
        "State data associated with xPON G-PON Encapsulation Method
(GEM) ports, T-CONTs, and traffic descriptors.";
      container tconts {
        description
          "Transmission Container (T-CONT) state data.";
        list tcont {
          key "name";
          description
            "List of Transmission Containers (T-CONT).";
          leaf name {
            type bbf-yang:string-ascii64;
            description
              "Name of the Transmission Container (T-CONT).";
          }

          leaf actual-alloc-id {
            type alloc-id;
            description
              "Transmission Container (T-CONT) Allocation Identifier
(Alloc-ID). This is the value which is actually used
between the Optical Line Termination (OLT) device and
Optical Network Unit (ONU) device for this T-CONT.";
            reference
              "ITU-T G.984.3 clause 5.5.3
              ITU-T G.987.3 clause 6.4.3
              ITU-T G.9807.1 clause C.6.1.5.7
              ITU-T G.989.3 clause 6.1.5.7";

          }
        }  // list tcont
      }  // container tconts

      container gemports {
        config false;
        description
          "G-PON Encapsulation Method (GEM) port state data.";
        list gemport {
          key "name";
          description
            "List of G-PON Encapsulation Method (GEM) ports.";
          leaf name {
            type bbf-yang:string-ascii64;
            description
              "Name of G-PON Encapsulation Method (GEM) port.";
          }

          leaf actual-gemport-id {
            type uint32;
            mandatory true;
            description
              "TC layer ID of the G-PON Encapsulation Method (GEM) port.
This is the value which is actually used between the
Optical Line Termination (OLT) device and Optical Network
Unit (ONU) device for this GEM port.";
            reference
              "ITU-T G.984.3 clause 5.5.5
              ITU-T G.987.3 clause 6.4.4
              ITU-T G.9807.1 clause C.6.1.5.8
              ITU-T G.989.3 clause 6.1.5.8";

          }

          container performance {
            description
              "Performance counters associated with G-PON Encapsulation
Method (GEM) ports.";
            container intervals-15min {
              description
                "15 minute interval performance history.";
              container current {
                description
                  "Current 15 minute interval counters.";
                container ani-side {
                  description
                    "Counters from the Optical Network Unit's (ONU) perspective.";
                  leaf out-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
transmitted.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Transmitted XGEM frames per XGEM port";

                  }

                  leaf in-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
received.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Received XGEM frames per XGEM port";

                  }
                }  // container ani-side

                container v-ani-side {
                  description
                    "Counters from the Optical Line Termination's (OLT)
perspective.";
                  leaf out-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
transmitted.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Transmitted XGEM frames per XGEM port";

                  }

                  leaf in-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
received.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Received XGEM frames per XGEM port";

                  }
                }  // container v-ani-side
              }  // container current

              leaf number-of-intervals {
                type performance-15min-interval;
                description
                  "The total number of 15-minute PM intervals for which data
was collected.";
              }

              leaf non-valid-intervals {
                type performance-15min-interval;
                description
                  "The number of 15-minute PM intervals for which the data
is considered to be invalid or incomplete.";
              }

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

                leaf measured-time {
                  type uint32;
                  description
                    "Reports the amount of time, measured in seconds, that
statistics for this interval have been counted.";
                }

                leaf invalid-data-flag {
                  type boolean;
                  description
                    "Reports the validity of the corresponding PM data.";
                }

                leaf time-stamp {
                  type yang:date-and-time;
                  description
                    "Reports the start date/time for this interval.";
                }

                container ani-side {
                  description
                    "Counters from the Optical Network Unit's (ONU) perspective.";
                  leaf out-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
transmitted.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Transmitted XGEM frames per XGEM port";

                  }

                  leaf in-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
received.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Received XGEM frames per XGEM port";

                  }
                }  // container ani-side

                container v-ani-side {
                  description
                    "Counters from the Optical Line Termination's (OLT)
perspective.";
                  leaf out-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
transmitted.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Transmitted XGEM frames per XGEM port";

                  }

                  leaf in-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
received.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Received XGEM frames per XGEM port";

                  }
                }  // container v-ani-side
              }  // list history
            }  // container intervals-15min

            container intervals-24hr {
              if-feature bbf-if-pm:performance-24hr;
              description
                "24 hour interval performance history.";
              container current {
                description
                  "Current 24 hour interval counters.";
                container ani-side {
                  description
                    "Counters from the Optical Network Unit's (ONU) perspective.";
                  leaf out-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
transmitted.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Transmitted XGEM frames per XGEM port";

                  }

                  leaf in-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
received.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Received XGEM frames per XGEM port";

                  }
                }  // container ani-side

                container v-ani-side {
                  description
                    "Counters from the Optical Line Termination's (OLT)
perspective.";
                  leaf out-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
transmitted.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Transmitted XGEM frames per XGEM port";

                  }

                  leaf in-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
received.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Received XGEM frames per XGEM port";

                  }
                }  // container v-ani-side
              }  // container current

              leaf number-of-intervals {
                type performance-24hr-interval;
                description
                  "The total number of 24-hour PM intervals for which data
was collected. ";
              }

              leaf non-valid-intervals {
                type performance-24hr-interval;
                description
                  "The number of 24-hour PM intervals for which the data
is considered to be invalid or incomplete.";
              }

              list history {
                key "interval-number";
                max-elements 7;
                description
                  "A history of 24 hour intervals.";
                leaf interval-number {
                  type bbf-if-pm:performance-24hr-history-interval;
                  description
                    "The number of the interval relative to the current
interval.";
                }

                leaf measured-time {
                  type uint32;
                  description
                    "Reports the amount of time, measured in seconds, that
statistics for this interval have been counted.";
                }

                leaf invalid-data-flag {
                  type boolean;
                  description
                    "Reports the validity of the corresponding PM data.";
                }

                leaf time-stamp {
                  type yang:date-and-time;
                  description
                    "Reports the start date/time for this interval.";
                }

                container ani-side {
                  description
                    "Counters from the Optical Network Unit's (ONU) perspective.";
                  leaf out-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
transmitted.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Transmitted XGEM frames per XGEM port";

                  }

                  leaf in-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
received.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Received XGEM frames per XGEM port";

                  }
                }  // container ani-side

                container v-ani-side {
                  description
                    "Counters from the Optical Line Termination's (OLT)
perspective.";
                  leaf out-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
transmitted.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Transmitted XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Transmitted XGEM frames per XGEM port";

                  }

                  leaf in-frames {
                    type bbf-yang:performance-counter64;
                    description
                      "Total number of G-PON Encapsulation Method (GEM) frames
received.";
                    reference
                      "ITU-T G.987.3 (01/2014)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.989.3 (2015)/Amd.2 (11/2018)
                      Table 14-1 Received XGEM frames per XGEM port
                      
                      ITU-T G.9807.1 (2016)/Amd.1 (10/2017)
                      Table C.14.1 Received XGEM frames per XGEM port";

                  }
                }  // container v-ani-side
              }  // list history
            }  // container intervals-24hr
          }  // container performance
        }  // list gemport
      }  // container gemports
    }  // container xpongemtcont-state
  }  // module bbf-xpongemtcont