module huawei-qos-board {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-qos-board";

    prefix qos-board;

    import huawei-extension {
      prefix ext;
    }
    import huawei-devm {
      prefix devm;
    }
    import huawei-devm-vnf {
      prefix devm-vnf;
    }
    import huawei-license {
      prefix lcs;
    }
    import huawei-qos {
      prefix qos;
    }

    organization
      "Huawei Technologies Co., Ltd.";

    contact
      "Huawei Industrial Base
     Bantian, Longgang
     Shenzhen 518129
     People's Republic of China
     Website: http://www.huawei.com
     Email: support@huawei.com";

    description
      "Quality of service for board.";

    revision "2020-06-11" {
      description
        "Modify descriptions and add units.";
      reference
        "Huawei private.";

    }

    revision "2020-05-07" {
      description
        "Modify descriptions and add new nodes.";
      reference
        "Huawei private.";

    }

    revision "2020-02-28" {
      description
        "Modify descriptions and add new nodes.";
      reference
        "Huawei private.";

    }

    revision "2019-11-05" {
      description
        "Add pq-schedule-prioritys, pq-schedule-priority-on-cards and multicast-port-queues.";
      reference
        "Huawei private.";

    }

    revision "2019-09-20" {
      description "Add new nodes.";
      reference
        "Huawei private.";

    }

    revision "2019-04-06" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "qos";

    typedef policy-match-type {
      type enumeration {
        enum "ip-layer-push" {
          value 0;
          description
            "MF traffic classification based only on IP Layer (Layer 3) information for incoming traffic on the public network.";
        }
        enum "ip-layer-pop" {
          value 7;
          description
            "MF traffic classification based only on IP Layer (Layer 3) information for outgoing traffic on the public network.";
        }
        enum "mpls-layer-push" {
          value 3;
          description
            "MF classification based on both IP and MPLS information for incoming traffic on the public network.";
        }
        enum "mpls-layer-pop" {
          value 6;
          description
            "MF classification based on both IP and MPLS information for outgoing traffic on the public network.";
        }
        enum "mpls-layer-l2-inbound" {
          value 4;
          description
            "MF traffic classification based on MPLS information for outgoing traffic on the public network in Layer 2 forwarding scenarios.";
        }
        enum "ipv6-address-rule-mask" {
          value 1;
          description
            "MF traffic classification based on the mask of IPv6 address.";
        }
        enum "protocol-mc-reserved" {
          value 2;
          description
            "Match Layer 3 protocol packets with reserved multicast addresses against ACLs.";
        }
        enum "rule-packet" {
          value 5;
          description
            "Enable packet type-based filtering for MF classification.";
        }
      }
      description "Policy math type.";
    }

    typedef pq-schedule-priority-type {
      type enumeration {
        enum "high" {
          value 0;
          description "High.";
        }
        enum "low" {
          value 1;
          description "Low.";
        }
      }
      description
        "PQ schedule priority mode.";
    }

    typedef channel-alarm-type {
      type enumeration {
        enum "bandwidth" {
          value 1;
          description "Bandwidth.";
        }
        enum "quantity" {
          value 0;
          description "Quantity.";
        }
      }
      description "Channel alarm type.";
    }

    typedef channel-alarm-pool-type {
      type enumeration {
        enum "pool-0" {
          value 1;
          description "Pool 0.";
        }
        enum "pool-1" {
          value 2;
          description "Pool 1.";
        }
      }
      description "Pool ID.";
    }

    typedef channel-profile-precision-type {
      type enumeration {
        enum "up" {
          value 1;
          description "Up.";
        }
        enum "down" {
          value 2;
          description "Down.";
        }
      }
      description "Precision type.";
    }

    typedef multicast-priority-type {
      type enumeration {
        enum "both" {
          value 2;
          description "Both.";
        }
        enum "high" {
          value 1;
          description "High.";
        }
        enum "low" {
          value 0;
          description "Low.";
        }
      }
      description "Multicast priority type.";
    }

    typedef match-type {
      type enumeration {
        enum "destination-user" {
          value 1;
          description "Destination user.";
        }
        enum "interface-acl" {
          value 2;
          description "Interface ACL.";
        }
      }
      description "Match type.";
    }

    typedef limit-type {
      type enumeration {
        enum "unlimited" {
          value 1;
          description "Unlimited bandwidth.";
        }
        enum "limited" {
          value 0;
          description "Limited bandwidth.";
        }
      }
      description "Is bandwidth limited.";
    }

    typedef switch-flag {
      type enumeration {
        enum "enable" {
          value 0;
          description "Enable.";
        }
        enum "disable" {
          value 1;
          description "Disable.";
        }
      }
      description "Switch flag.";
    }

    augment /devm-vnf:devm-vnf/devm-vnf:vnf-boards/devm-vnf:vnf-board {
      description
        "Adds QoS configuration to the vnf board.";
      container qos {
        description
          "Configure QoS application.";
        container traffic-policy-matchs {
          description
            "List of traffic policy match.";
          list traffic-policy-match {
            key "type";
            max-elements 3;
            description
              "Configure traffic policy match. Some boards do not support this object.";
            leaf type {
              type policy-match-type;
              description
                "Traffic policy match type.";
            }
          }  // list traffic-policy-match
        }  // container traffic-policy-matchs

        container traffic-policy-match-type {
          description
            "Configure policy UCL rule match.";
          container destination-user {
            presence
              "create destination-user";
            description
              "Enable/disable traffic policy match type destination user.";
          }  // container destination-user

          container interface-acl {
            presence "create interface-acl";
            description
              "Enable/disable traffic policy match type interface acl.";
          }  // container interface-acl
        }  // container traffic-policy-match-type
      }  // container qos
    }

    augment /devm:devm/devm:mpu-boards/devm:mpu-board {
      description
        "Adds QoS configuration to the board.";
      container qos {
        description
          "Configure QoS application.";
        container traffic-policy-matchs {
          description
            "List of traffic policy match.";
          list traffic-policy-match {
            must
              "(((type='ip-layer-push' or type='ip-layer-pop' or type='rule-packet') and not(../traffic-policy-match[type='mpls-layer-push']) and not(../traffic-policy-match[type='mpls-layer-pop'])) or ((type='mpls-layer-push' or type='mpls-layer-pop') and not(../traffic-policy-match[type='ip-layer-push']) and not(../traffic-policy-match[type='ip-layer-pop']) and not(../traffic-policy-match[type='rule-packet'])) or (type='mpls-layer-l2-inbound' or type='protocol-mc-reserved'))";
            key "type";
            max-elements 5;
            description
              "Configure traffic policy match. Some boards do not support this object.";
            leaf type {
              type policy-match-type;
              description
                "Traffic policy match type.";
            }
          }  // list traffic-policy-match
        }  // container traffic-policy-matchs

        container pq-schedule-prioritys {
          description
            "List of PQ schedule priority.";
          list pq-schedule-priority {
            ext:generated-by "system" {
              description "The all instances are generated automatically.";
            }
            ext:operation-exclude "create" {
              description "The all instances cannot be created.";
            }
            key "direction";
            max-elements 2;
            description
              "Configure PQ schedule priority.";
            leaf direction {
              type qos:qos-direction-type;
              description "Direction.";
            }

            leaf mode {
              type pq-schedule-priority-type;
              mandatory true;
              description
                "PQ schedule mode.";
            }
          }  // list pq-schedule-priority
        }  // container pq-schedule-prioritys

        container pq-schedule-priority-on-cards {
          description
            "List of PQ schedule priority.";
          list pq-schedule-priority-on-card {
            key "card-id";
            description
              "Configure PQ schedule priority. This configuration takes effect only on eTM subcards.";
            leaf card-id {
              type string {
                length "1..31";
              }
              description "Card ID.";
            }

            leaf mode {
              type pq-schedule-priority-type;
              mandatory true;
              description
                "PQ schedule priority mode.";
            }
          }  // list pq-schedule-priority-on-card
        }  // container pq-schedule-priority-on-cards

        container multicast-port-queues {
          description
            "List of port queue schedule in outbound direction on the MTunnel interface of the distributed multicast VPN.";
          list multicast-port-queue {
            ext:generated-by "system" {
              description "The all instances are generated automatically.";
            }
            ext:operation-exclude "create" {
              description "The all instances cannot be created.";
            }
            key "service-class";
            max-elements 8;
            description
              "Configure port queue schedule in outbound direction on the MTunnel interface of the distributed multicast VPN.";
            leaf service-class {
              type qos:qos-service-class;
              description
                "Class of service.";
            }

            leaf queue-schedule-mode {
              type qos:queue-schedule-mode;
              mandatory true;
              description "Schedule Mode.";
            }

            leaf weight {
              when
                "../queue-schedule-mode='wfq'";
              type uint8 {
                range "1..100";
              }
              mandatory true;
              description
                "Weight of wfq scheduling strategy.";
            }

            choice shaping-parameters {
              description
                "Specify shaping parameters.";
              case shaping {
                description
                  "Specify shaping parameters choice case as shaping value.";
                leaf shaping-value {
                  type uint32 {
                    range "0..4294967294";
                  }
                  units "Mbit/s";
                  description
                    "Shaping value.";
                }
              }  // case shaping

              case shaping-percent {
                description
                  "Specify shaping parameters choice case as shaping percentage value.";
                leaf shaping-percentage {
                  type uint8 {
                    range "0..100";
                  }
                  units "%";
                  description
                    "Shaping percentage.";
                }
              }  // case shaping-percent
            }  // choice shaping-parameters

            leaf port-wred-name {
              type leafref {
                path "/qos:qos/qos:wred-template/qos:port-wreds/qos:port-wred/qos:name";
              }
              description "Port wred name.";
            }
          }  // list multicast-port-queue
        }  // container multicast-port-queues

        container multicast-port-shaping {
          description
            "Configure a peak rate at which the MTunnel interface in the distributed multicast VPN can send data.";
          choice shaping-parameters {
            description
              "Specify shaping parameters.";
            case shaping-type-mode {
              description
                "Specify shaping parameters choice case as shaping type.";
              leaf shaping-type {
                type qos:shaping-value-type;
                description
                  "Shaping value type.";
              }
            }  // case shaping-type-mode

            case shaping-value-mode {
              description
                "Specify shaping parameters choice case as shaping value.";
              leaf shaping-value {
                type uint32 {
                  range "1..4294967294";
                }
                units "Mbit/s";
                description "Shaping value.";
              }
            }  // case shaping-value-mode
          }  // choice shaping-parameters
        }  // container multicast-port-shaping

        container user-queue-pir-precision {
          ext:generated-by "system";
          ext:operation-exclude "create";
          presence
            "create user-queue-pir-precision";
          description
            "Enable/disable user queue pir precision.";
          leaf precision {
            type uint8 {
              range "1..100";
            }
            units "%";
            default "1";
            description "Precision.";
          }
        }  // container user-queue-pir-precision

        container exp-phb-disable {
          description
            "Configure disable the private network tag priority in a DS domain from being marked for the downstream traffic on the PW interface in the VLL networking.";
          leaf forward-type {
            type qos:forward-type;
            description "Forward type.";
          }
        }  // container exp-phb-disable

        container packet-block-thresholds {
          description
            "List of the packet block threshold size.";
          list packet-block-threshold {
            key "service-class";
            description
              "Configure the packet block threshold size.";
            leaf service-class {
              type qos:qos-service-class;
              description
                "Class of service.";
            }

            leaf size {
              type uint8 {
                range "0..5";
              }
              units "kB";
              mandatory true;
              description
                "The packet block threshold size.";
            }
          }  // list packet-block-threshold
        }  // container packet-block-thresholds

        container packet-block-threshold-all {
          description
            "Configure the packet block threshold size for all queues.";
          leaf size {
            type uint8 {
              range "0..5";
            }
            units "kB";
            description
              "The packet block threshold size.";
          }
        }  // container packet-block-threshold-all

        container channel-alarms {
          description
            "List of channel alarm.";
          list channel-alarm {
            key "alarm-type pool";
            description
              "Configure channel alarm.";
            leaf alarm-type {
              type channel-alarm-type;
              description "Alarm type.";
            }

            leaf pool {
              type channel-alarm-pool-type;
              description "Pool.";
            }

            leaf threshold {
              type uint8 {
                range "1..100";
              }
              units "%";
              mandatory true;
              description "Threshold value.";
            }
          }  // list channel-alarm
        }  // container channel-alarms

        container channel-profile-precision {
          description
            "Configure the bandwidth allocation mode.";
          leaf type {
            type channel-profile-precision-type;
            description "Precision type.";
          }
        }  // container channel-profile-precision

        container channel-profile-apply {
          description
            "Configure a channel profile to a board. Apply channel profile template may affect scheduling. The configuration will work after the board restart.";
          leaf name {
            type leafref {
              path "/qos:qos/qos:queue-scheduler-template/qos:channel-profiles/qos:channel-profile/qos:name";
            }
            must
              "/qos:qos/qos:queue-scheduler-template/qos:channel-profiles/qos:channel-profile[qos:name=current()]/qos:channel-paras/qos:channel-para";
            description
              "Channel profile name.";
          }
        }  // container channel-profile-apply

        container multicast-shaping {
          description
            "Configure an upper rate limit for multicast traffic on a specified board.";
          leaf shaping-value {
            type uint32 {
              range "1..1000000";
            }
            units "pps";
            description "Shaping value.";
          }
        }  // container multicast-shaping

        container port-queue-alarms {
          description
            "List of port queue buffer alarm.";
          list port-queue-alarm {
            key "service-class";
            max-elements 8;
            description
              "Configure port queue buffer alarm.";
            leaf service-class {
              type qos:qos-service-class;
              description
                "Class of service.";
            }

            leaf buffer-percentage {
              type uint8 {
                range "0..100";
              }
              units "%";
              mandatory true;
              description
                "Buffer percentage.";
            }
          }  // list port-queue-alarm
        }  // container port-queue-alarms

        container user-queue-recovery-disable {
          presence
            "create user-queue-recovery-disable";
          description
            "Enable/disable automatic switchback from CAR to user queue.";
        }  // container user-queue-recovery-disable

        container access-user-board-schedule-enable {
          presence
            "create access-user-board-schedule-enable";
          description
            "Enable/disable downstream HQoS scheduling.";
        }  // container access-user-board-schedule-enable

        container convergent-precedence-highs {
          description
            "List of configuration specific low-priority queues on a board as high-priority queues.";
          list convergent-precedence-high {
            key "service-class-value";
            max-elements 5;
            description
              "Configure specific low-priority queues on a board as high-priority queues.";
            leaf service-class-value {
              type uint8 {
                range "0..4";
              }
              description
                "The value of service class.";
            }
          }  // list convergent-precedence-high
        }  // container convergent-precedence-highs

        container queue-discard-alarms {
          description
            "List of queue discard alarm.";
          list queue-discard-alarm {
            key "service-class";
            max-elements 8;
            description
              "Configure queue discard alarm.";
            leaf service-class {
              type qos:qos-service-class;
              description
                "Class of service.";
            }

            choice discard-type {
              mandatory true;
              description
                "Specify discard type.";
              case bytes {
                description
                  "Specify discard type choice case as discard-byte.";
                leaf bytes {
                  type uint32 {
                    range "1..4294967295";
                  }
                  units "Byte";
                  mandatory true;
                  description
                    "The discarded bytes.";
                }
              }  // case bytes

              case packets {
                description
                  "Specify discard type choice case as discard packet.";
                leaf packets {
                  type uint32 {
                    range "1..4294967295";
                  }
                  units "packet";
                  mandatory true;
                  description
                    "The discarded packets.";
                }
              }  // case packets

              case packet-ratio {
                description
                  "Specify discard type choice case as discard packet ratio.";
                leaf packet-coefficient {
                  type uint8 {
                    range "1..9";
                  }
                  mandatory true;
                  description
                    "Ratio coefficient of the discard packets.";
                }

                leaf packet-exponent {
                  type uint8 {
                    range "1..5";
                  }
                  mandatory true;
                  description
                    "Ratio exponent of the discard packets.";
                }
              }  // case packet-ratio
            }  // choice discard-type

            leaf interval-time {
              type uint16 {
                range "15..3600";
              }
              units "s";
              default "30";
              description
                "Monitoring time of the queue discard alarm.";
            }
          }  // list queue-discard-alarm
        }  // container queue-discard-alarms

        container user-queue-burst {
          presence "create user-queue-burst";
          description
            "Enable/disable the minimum default burst size and time on a board.";
          leaf minimum-burst-size {
            type uint32 {
              range "1000..1000000";
            }
            units "Byte";
            mandatory true;
            description
              "Specifies a minimum default burst size.";
          }

          leaf time {
            type uint32 {
              range "100..100000";
            }
            units "us";
            mandatory true;
            description
              "Specifies a burst time.";
          }
        }  // container user-queue-burst

        container burst-sizes {
          description
            "List of the burst size.";
          list burst-size {
            key "service-class";
            max-elements 8;
            description
              "Configure the burst size of a chip.";
            leaf service-class {
              type qos:qos-service-class;
              description
                "Class of service.";
            }

            leaf value {
              type uint8 {
                range "0..64";
              }
              mandatory true;
              description "Burst size.";
            }
          }  // list burst-size
        }  // container burst-sizes

        container global-buffer-share-thresholds {
          description
            "List of the global shared threshold of buffer resources.";
          list global-buffer-share-threshold {
            key "direction";
            description
              "Configure the global shared threshold of buffer resources.";
            leaf direction {
              type qos:qos-direction-type;
              description "Direction.";
            }

            leaf threshold {
              type uint16 {
                range "1..500";
              }
              mandatory true;
              description
                "Specifies the shared threshold value.";
            }
          }  // list global-buffer-share-threshold
        }  // container global-buffer-share-thresholds

        container global-buffer-share-queues {
          description
            "List of the shared threshold of buffer resources for specific queues.";
          list global-buffer-share-queue {
            key "service-class direction";
            description
              "Configure the shared threshold of buffer resources for specific queues.";
            leaf service-class {
              type qos:qos-service-class;
              description
                "Class of service.";
            }

            leaf direction {
              type qos:qos-direction-type;
              description "Direction.";
            }
          }  // list global-buffer-share-queue
        }  // container global-buffer-share-queues

        container flow-queue-backpressure-off {
          presence
            "create flow-queue-backpressure-off";
          description
            "Enable/disable the PIR backpressure function. When the configuration exists, the function is disable.";
        }  // container flow-queue-backpressure-off

        container traffic-policy-match-type {
          description
            "Configure policy UCL rule match.";
          container destination-user {
            presence
              "create destination-user";
            description
              "Enable/disable traffic policy match type destination user.";
          }  // container destination-user

          container interface-acl {
            presence "create interface-acl";
            description
              "Enable/disable traffic policy match type interface acl.";
          }  // container interface-acl
        }  // container traffic-policy-match-type

        container user-queue-resource-4cos {
          description
            "Configure 4queue CoS size.";
          leaf cos-value {
            type uint32 {
              range "4..64000";
            }
            must "../cos-value mod 4 = 0";
            description "Cos value.";
          }
        }  // container user-queue-resource-4cos

        container user-queue-resource-8cos-enhances {
          description
            "List of 8queue CoS size configuration.";
          list user-queue-resource-8cos-enhance {
            key "direction";
            max-elements 2;
            description
              "Configure 8queue CoS size.";
            leaf direction {
              type qos:qos-direction-type;
              description "Direction.";
            }

            leaf cos-value {
              type uint32 {
                range "4..15000";
              }
              must "../cos-value mod 4 = 0";
              mandatory true;
              description "CoS value.";
            }
          }  // list user-queue-resource-8cos-enhance
        }  // container user-queue-resource-8cos-enhances
      }  // container qos
    }

    augment /devm:devm/devm:lpu-boards/devm:lpu-board {
      description
        "Adds QoS configuration to the board.";
      container qos {
        description
          "Configure QoS application.";
        container traffic-policy-matchs {
          description
            "List of traffic policy match.";
          list traffic-policy-match {
            key "type";
            max-elements 6;
            description
              "Configure traffic policy match. Some boards do not support this object.";
            leaf type {
              type policy-match-type;
              description
                "Traffic policy match type.";
            }
          }  // list traffic-policy-match
        }  // container traffic-policy-matchs

        container pq-schedule-prioritys {
          description
            "List of PQ schedule priority.";
          list pq-schedule-priority {
            ext:generated-by "system" {
              description "The all instances are generated automatically.";
            }
            ext:operation-exclude "create" {
              description "The all instances cannot be created.";
            }
            key "direction";
            max-elements 2;
            description
              "Configure PQ schedule priority.";
            leaf direction {
              type qos:qos-direction-type;
              description "Direction.";
            }

            leaf mode {
              type pq-schedule-priority-type;
              mandatory true;
              description
                "PQ schedule mode.";
            }
          }  // list pq-schedule-priority
        }  // container pq-schedule-prioritys

        container pq-schedule-priority-on-cards {
          description
            "List of PQ schedule priority.";
          list pq-schedule-priority-on-card {
            key "card-id";
            description
              "Configure PQ schedule priority. This configuration takes effect only on eTM subcards.";
            leaf card-id {
              type string {
                length "1..31";
              }
              description "Card ID.";
            }

            leaf mode {
              type pq-schedule-priority-type;
              mandatory true;
              description
                "PQ schedule priority mode.";
            }
          }  // list pq-schedule-priority-on-card
        }  // container pq-schedule-priority-on-cards

        container multicast-port-queues {
          description
            "List of port queue schedule in outbound direction on the MTunnel interface of the distributed multicast VPN.";
          list multicast-port-queue {
            ext:generated-by "system" {
              description "The all instances are generated automatically.";
            }
            ext:operation-exclude "create" {
              description "The all instances cannot be created.";
            }
            key "service-class";
            max-elements 8;
            description
              "Configure port queue schedule in outbound direction on the MTunnel interface of the distributed multicast VPN.";
            leaf service-class {
              type qos:qos-service-class;
              description
                "Class of service.";
            }

            leaf queue-schedule-mode {
              type qos:queue-schedule-mode;
              mandatory true;
              description "Schedule Mode.";
            }

            leaf weight {
              when
                "../queue-schedule-mode='wfq'";
              type uint8 {
                range "1..100";
              }
              mandatory true;
              description
                "Weight of wfq scheduling strategy.";
            }

            choice shaping-parameters {
              description
                "Specify shaping parameters.";
              case shaping {
                description
                  "Specify shaping parameters choice case as shaping value.";
                leaf shaping-value {
                  type uint32 {
                    range "0..4294967294";
                  }
                  units "Mbit/s";
                  description
                    "Shaping value.";
                }
              }  // case shaping

              case shaping-percent {
                description
                  "Specify shaping parameters choice case as shaping percentage value.";
                leaf shaping-percentage {
                  type uint8 {
                    range "0..100";
                  }
                  units "%";
                  description
                    "Shaping percentage.";
                }
              }  // case shaping-percent
            }  // choice shaping-parameters

            leaf port-wred-name {
              type leafref {
                path "/qos:qos/qos:wred-template/qos:port-wreds/qos:port-wred/qos:name";
              }
              description "Port wred name.";
            }
          }  // list multicast-port-queue
        }  // container multicast-port-queues

        container multicast-port-shaping {
          description
            "Configure a peak rate at which the MTunnel interface in the distributed multicast VPN can send data.";
          choice shaping-parameters {
            description
              "Specify shaping parameters.";
            case shaping-type-mode {
              description
                "Specify shaping parameters choice case as shaping type.";
              leaf shaping-type {
                type qos:shaping-value-type;
                description
                  "Shaping value type.";
              }
            }  // case shaping-type-mode

            case shaping-value-mode {
              description
                "Specify shaping parameters choice case as shaping value.";
              leaf shaping-value {
                type uint32 {
                  range "1..4294967294";
                }
                units "Mbit/s";
                description "Shaping value.";
              }
            }  // case shaping-value-mode
          }  // choice shaping-parameters
        }  // container multicast-port-shaping

        container user-queue-pir-precision {
          ext:generated-by "system";
          ext:operation-exclude "create";
          presence
            "create user-queue-pir-precision";
          description
            "Enable/disable user queue pir precision.";
          leaf precision {
            type uint8 {
              range "1..100";
            }
            units "%";
            default "1";
            description "Precision.";
          }
        }  // container user-queue-pir-precision

        container exp-phb-disable {
          description
            "Configure disable the private network tag priority in a DS domain from being marked for the downstream traffic on the PW interface in the VLL networking.";
          leaf forward-type {
            type qos:forward-type;
            description "Forward type.";
          }
        }  // container exp-phb-disable

        container packet-block-thresholds {
          description
            "List of the packet block threshold size.";
          list packet-block-threshold {
            key "service-class";
            description
              "Configure the packet block threshold size.";
            leaf service-class {
              type qos:qos-service-class;
              description
                "Class of service.";
            }

            leaf size {
              type uint8 {
                range "0..5";
              }
              units "kB";
              mandatory true;
              description
                "The packet block threshold size.";
            }
          }  // list packet-block-threshold
        }  // container packet-block-thresholds

        container packet-block-threshold-all {
          description
            "Configure the packet block threshold size for all queues.";
          leaf size {
            type uint8 {
              range "0..5";
            }
            units "kB";
            description
              "The packet block threshold size.";
          }
        }  // container packet-block-threshold-all

        container channel-alarms {
          description
            "List of channel alarm.";
          list channel-alarm {
            key "alarm-type pool";
            description
              "Configure channel alarm.";
            leaf alarm-type {
              type channel-alarm-type;
              description "Alarm type.";
            }

            leaf pool {
              type channel-alarm-pool-type;
              description "Pool.";
            }

            leaf threshold {
              type uint8 {
                range "1..100";
              }
              units "%";
              mandatory true;
              description "Threshold value.";
            }
          }  // list channel-alarm
        }  // container channel-alarms

        container channel-profile-precision {
          description
            "Configure the bandwidth allocation mode.";
          leaf type {
            type channel-profile-precision-type;
            description "Precision type.";
          }
        }  // container channel-profile-precision

        container channel-profile-apply {
          description
            "Configure a channel profile to a board. Apply channel profile template may affect scheduling. The configuration will work after the board restart.";
          leaf name {
            type leafref {
              path "/qos:qos/qos:queue-scheduler-template/qos:channel-profiles/qos:channel-profile/qos:name";
            }
            must
              "/qos:qos/qos:queue-scheduler-template/qos:channel-profiles/qos:channel-profile[qos:name=current()]/qos:channel-paras/qos:channel-para";
            description
              "Channel profile name.";
          }
        }  // container channel-profile-apply

        container channel-auto-adjust-switch {
          description
            "Configure channel auto adjust quantity. The configuration will work after the board restart. Only some boards support this function.";
          leaf auto-adjust-quantity {
            type switch-flag;
            default "enable";
            description
              "Auto adjust quantity.";
          }
        }  // container channel-auto-adjust-switch

        container fabric-queue-statistic-enable {
          description
            "Configure enable the statistics function for Virtual Output Queues.";
          leaf enable {
            type empty;
            description "Enable.";
          }
        }  // container fabric-queue-statistic-enable

        container over-ride-adjust-number {
          description
            "Configure over ride adjust number.";
          leaf adjust-number {
            type uint16 {
              range "1..1000";
            }
            default "50";
            description
              "Adjust number value.";
          }
        }  // container over-ride-adjust-number

        container over-ride-degrade-cycle {
          description
            "Configure over ride degrade cycle.";
          leaf degrade-cycle {
            type uint8 {
              range "1..255";
            }
            default "64";
            description "Cycle number.";
          }
        }  // container over-ride-degrade-cycle

        container over-ride-upgrade-cycle {
          description
            "Configure over ride upgrade cycle.";
          leaf upgrade-cycle {
            type uint8 {
              range "1..255";
            }
            default "1";
            description "Cycle number.";
          }
        }  // container over-ride-upgrade-cycle

        container over-ride-switch {
          must
            "./enable-percent>=./disable-percent";
          description
            "Configure over ride switch.";
          leaf disable-percent {
            type uint8 {
              range "0..100";
            }
            units "%";
            default "50";
            description
              "Disable percent value.";
          }

          leaf enable-percent {
            type uint8 {
              range "0..100";
            }
            units "%";
            default "80";
            description
              "Enable percent value.";
          }
        }  // container over-ride-switch

        container over-ride-inbound-threshold-adjust {
          must
            "./upgrade-threshold>./degrade-threshold";
          description
            "Configure over ride inbound threshold adjust.";
          leaf upgrade-threshold {
            type uint8 {
              range "2..99";
            }
            default "90";
            description
              "Inbound upgrade threshold.";
          }

          leaf degrade-threshold {
            type uint8 {
              range "1..98";
            }
            default "60";
            description
              "Inbound degrade threshold.";
          }
        }  // container over-ride-inbound-threshold-adjust

        container over-ride-outbound-threshold-adjust {
          must
            "./upgrade-threshold>./degrade-threshold";
          description
            "Configure over ride outbound threshold adjust.";
          leaf upgrade-threshold {
            type uint8 {
              range "2..99";
            }
            default "80";
            description
              "Outbound upgrade threshold.";
          }

          leaf degrade-threshold {
            type uint8 {
              range "1..98";
            }
            default "60";
            description
              "Outbound degrade threshold.";
          }
        }  // container over-ride-outbound-threshold-adjust

        container over-ride-monitor-number {
          description
            "Configure over ride monitor.";
          leaf monitor-number {
            type uint8 {
              range "1..64";
            }
            default "32";
            description "Monitor number.";
          }
        }  // container over-ride-monitor-number

        container over-ride-enable-switch {
          description
            "Configure over ride switch.";
          leaf outbound {
            type empty;
            description
              "Direction outbound.";
          }
        }  // container over-ride-enable-switch

        container over-ride-enable-inbound-switch {
          description
            "Configure over ride switch. Only some boards support this function.";
          leaf inbound {
            type empty;
            description "Direction inbound.";
          }
        }  // container over-ride-enable-inbound-switch

        container over-ride-initial-grade {
          description
            "Configure over ride initial grade. Only some boards support this function.";
          leaf grade-id {
            type uint8 {
              range "1..21";
            }
            default "7";
            description "Grade ID.";
          }
        }  // container over-ride-initial-grade

        container multicast-shaping {
          description
            "Configure an upper rate limit for multicast traffic on a specified board.";
          leaf shaping-value {
            type uint32 {
              range "1..1000000";
            }
            units "pps";
            description "Shaping value.";
          }
        }  // container multicast-shaping

        container multicast-shaping-service-template {
          must
            "(all-service-class/service-template-name and (count(specific-service-classs/specific-service-class)=0)) or not(all-service-class/service-template-name)";
          description
            "Configure multicast packet compensation.";
          container all-service-class {
            description
              "Configure multicast packet compensation for all service class.";
            leaf service-template-name {
              type leafref {
                path "/qos:qos/qos:queue-scheduler-template/qos:service-templates/qos:service-template/qos:name";
              }
              description
                "Service template name.";
            }
          }  // container all-service-class

          container specific-service-classs {
            description
              "List of multicast packet compensation for specific service class.";
            list specific-service-class {
              key "service-class";
              description
                "Configure multicast packet compensation for specific service class.";
              leaf service-class {
                type qos:qos-service-class;
                description
                  "Class of service.";
              }

              leaf service-template-name {
                type leafref {
                  path "/qos:qos/qos:queue-scheduler-template/qos:service-templates/qos:service-template/qos:name";
                }
                mandatory true;
                description
                  "Service template name.";
              }
            }  // list specific-service-class
          }  // container specific-service-classs
        }  // container multicast-shaping-service-template

        container port-queue-alarms {
          description
            "List of port queue buffer alarm.";
          list port-queue-alarm {
            key "service-class";
            max-elements 8;
            description
              "Configure port queue buffer alarm.";
            leaf service-class {
              type qos:qos-service-class;
              description
                "Class of service.";
            }

            leaf buffer-percentage {
              type uint8 {
                range "0..100";
              }
              units "%";
              mandatory true;
              description
                "Buffer percentage.";
            }
          }  // list port-queue-alarm
        }  // container port-queue-alarms

        container user-queue-recovery-disable {
          presence
            "create user-queue-recovery-disable";
          description
            "Enable/disable automatic switchback from CAR to user queue.";
        }  // container user-queue-recovery-disable

        container multicast-shapers {
          description
            "List of multicast traffic shaping.";
          list multicast-shaper {
            must
              "(priority='both' and not(../multicast-shaper[priority='high']) and not(../multicast-shaper[priority='low'])) or ((priority='high' or priority='low') and not(../multicast-shaper[priority='both']))";
            key "priority";
            description
              "Configure multicast traffic shaping.";
            leaf priority {
              type multicast-priority-type;
              description "Priority type.";
            }

            leaf shaping-value {
              type uint32 {
                range "1..400000";
              }
              units "Mbit/s";
              mandatory true;
              description "Shaping value.";
            }
          }  // list multicast-shaper
        }  // container multicast-shapers

        container access-user-board-schedule-enable {
          presence
            "create access-user-board-schedule-enable";
          description
            "Enable/disable downstream HQoS scheduling.";
        }  // container access-user-board-schedule-enable

        container convergent-precedence-highs {
          description
            "List of configuration specific low-priority queues on a board as high-priority queues.";
          list convergent-precedence-high {
            key "service-class-value";
            max-elements 5;
            description
              "Configure specific low-priority queues on a board as high-priority queues.";
            leaf service-class-value {
              type uint8 {
                range "0..4";
              }
              description
                "The value of service class.";
            }
          }  // list convergent-precedence-high
        }  // container convergent-precedence-highs

        container queue-discard-alarms {
          description
            "List of queue discard alarm.";
          list queue-discard-alarm {
            key "service-class";
            max-elements 8;
            description
              "Configure queue discard alarm.";
            leaf service-class {
              type qos:qos-service-class;
              description
                "Class of service.";
            }

            choice discard-type {
              mandatory true;
              description
                "Specify discard type.";
              case bytes {
                description
                  "Specify discard type choice case as discard-byte.";
                leaf bytes {
                  type uint32 {
                    range "1..4294967295";
                  }
                  units "Byte";
                  mandatory true;
                  description
                    "The discarded bytes.";
                }
              }  // case bytes

              case packets {
                description
                  "Specify discard type choice case as discard packet.";
                leaf packets {
                  type uint32 {
                    range "1..4294967295";
                  }
                  units "packet";
                  mandatory true;
                  description
                    "The discarded packets.";
                }
              }  // case packets

              case packet-ratio {
                description
                  "Specify discard type choice case as discard packet ratio.";
                leaf packet-coefficient {
                  type uint8 {
                    range "1..9";
                  }
                  mandatory true;
                  description
                    "Ratio coefficient of the discard packets.";
                }

                leaf packet-exponent {
                  type uint8 {
                    range "1..5";
                  }
                  mandatory true;
                  description
                    "Ratio exponent of the discard packets.";
                }
              }  // case packet-ratio
            }  // choice discard-type

            leaf interval-time {
              type uint16 {
                range "15..3600";
              }
              units "s";
              default "30";
              description
                "Monitoring time of the queue discard alarm.";
            }
          }  // list queue-discard-alarm
        }  // container queue-discard-alarms

        container user-queue-burst {
          presence "create user-queue-burst";
          description
            "Enable/disable the minimum default burst size and time on a board.";
          leaf minimum-burst-size {
            type uint32 {
              range "1000..1000000";
            }
            units "Byte";
            mandatory true;
            description
              "Specifies a minimum default burst size.";
          }

          leaf time {
            type uint32 {
              range "100..100000";
            }
            units "us";
            mandatory true;
            description
              "Specifies a burst time.";
          }
        }  // container user-queue-burst

        container burst-sizes {
          description
            "List of the burst size.";
          list burst-size {
            key "service-class";
            max-elements 8;
            description
              "Configure the burst size of a chip.";
            leaf service-class {
              type qos:qos-service-class;
              description
                "Class of service.";
            }

            leaf value {
              type uint8 {
                range "0..64";
              }
              mandatory true;
              description "Burst size.";
            }
          }  // list burst-size
        }  // container burst-sizes

        container global-buffer-share-thresholds {
          description
            "List of the global shared threshold of buffer resources.";
          list global-buffer-share-threshold {
            key "direction";
            description
              "Configure the global shared threshold of buffer resources.";
            leaf direction {
              type qos:qos-direction-type;
              description "Direction.";
            }

            leaf threshold {
              type uint16 {
                range "1..500";
              }
              mandatory true;
              description
                "Specifies the shared threshold value.";
            }
          }  // list global-buffer-share-threshold
        }  // container global-buffer-share-thresholds

        container global-buffer-share-queues {
          description
            "List of the shared threshold of buffer resources for specific queues.";
          list global-buffer-share-queue {
            key "service-class direction";
            description
              "Configure the shared threshold of buffer resources for specific queues.";
            leaf service-class {
              type qos:qos-service-class;
              description
                "Class of service.";
            }

            leaf direction {
              type qos:qos-direction-type;
              description "Direction.";
            }
          }  // list global-buffer-share-queue
        }  // container global-buffer-share-queues

        container flow-queue-backpressure-off {
          presence
            "create flow-queue-backpressure-off";
          description
            "Enable/disable the PIR backpressure function. When the configuration exists, the function is disable.";
        }  // container flow-queue-backpressure-off

        container traffic-policy-match-type {
          description
            "Configure policy UCL rule match.";
          container destination-user {
            presence
              "create destination-user";
            description
              "Enable/disable traffic policy match type destination user.";
          }  // container destination-user

          container interface-acl {
            presence "create interface-acl";
            description
              "Enable/disable traffic policy match type interface acl.";
          }  // container interface-acl
        }  // container traffic-policy-match-type

        container user-queue-resource-4cos {
          description
            "Configure 4queue CoS size.";
          leaf cos-value {
            type uint32 {
              range "4..64000";
            }
            must "../cos-value mod 4 = 0";
            description "Cos value.";
          }
        }  // container user-queue-resource-4cos

        container user-queue-resource-8cos-enhances {
          description
            "List of 8queue CoS size configuration.";
          list user-queue-resource-8cos-enhance {
            key "direction";
            max-elements 2;
            description
              "Configure 8queue CoS size.";
            leaf direction {
              type qos:qos-direction-type;
              description "Direction.";
            }

            leaf cos-value {
              type uint32 {
                range "4..15000";
              }
              must "../cos-value mod 4 = 0";
              mandatory true;
              description "CoS value.";
            }
          }  // list user-queue-resource-8cos-enhance
        }  // container user-queue-resource-8cos-enhances
      }  // container qos
    }

    augment /lcs:license {
      description
        "Adds vm bandwidth configuration to license model.";
      container vm-bandwidths {
        description
          "List of configuration to set the bandwidth or set no rate limit for a VM.";
        list vm-bandwidth {
          ext:generated-by "system" {
            description "The all instances are generated automatically.";
          }
          ext:operation-exclude "create" {
            description "The all instances cannot be created.";
          }
          ext:operation-exclude "update" {
            when "not(/lcs:license/lcs:license-items/lcs:license-item[lcs:name='VR9K00BW0'])";
            description "The all instances cannot be updated when license-item 'VR9K00BW0' does not exist.";
          }
          key "vnfc-name slot-id";
          description
            "Configure the bandwidth or configure no rate limit for a VM.";
          leaf vnfc-name {
            type leafref {
              path
                "/devm-vnf:devm-vnf/devm-vnf:vnf-boards/devm-vnf:vnf-board/devm-vnf:vnfc-name";
            }
            must "../vnfc-name = 'brasnls'";
            description
              "Virtualized network function component (VNFC) name.";
          }

          leaf slot-id {
            type leafref {
              path
                "/devm-vnf:devm-vnf/devm-vnf:vnf-boards/devm-vnf:vnf-board[devm-vnf:vnfc-name=current()/../vnfc-name]/devm-vnf:id";
            }
            description "Slot ID.";
          }

          leaf is-bandwidth-limited {
            type limit-type;
            default "limited";
            description
              "Is bandwidth limited.";
          }

          leaf bandwidth {
            when
              "../is-bandwidth-limited='limited'";
            type uint32 {
              range "0..1000000";
            }
            units "Mbit/s";
            default "1";
            description "Bandwidth.";
          }

          leaf current-bandwidth {
            type uint32;
            units "Mbit/s";
            config false;
            description "Current Bandwidth.";
          }
        }  // list vm-bandwidth
      }  // container vm-bandwidths
    }
  }  // module huawei-qos-board