module huawei-bras-chasten {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-bras-chasten";

    prefix bras-chasten;

    import ietf-yang-types {
      prefix yang;
    }
    import huawei-ifm {
      prefix ifm;
    }
    import huawei-extension {
      prefix ext;
    }
    import huawei-pub-type {
      prefix pub-type;
    }

    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
      "This module contains a collection of YANG definitions for managing DHCP chasten.";

    revision "2020-04-13" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "dhcp";

    container bras-chasten {
      description "Configure DHCP chasten.";
      container ipv6-all-slots {
        must
          "request-packets!=0 or authen-packets!=0";
        description
          "Configure DHCPv6 chasten for all slots.";
        leaf check-period {
          type uint32 {
            range "1..3600";
          }
          units "s";
          default "180";
          description "Check period.";
        }

        leaf restrain-period {
          type uint32 {
            range "0..3600";
          }
          units "s";
          default "300";
          description "Restrain period.";
        }

        leaf authen-packets {
          type uint32 {
            range "0..10000";
          }
          default "5";
          description "Authen packets.";
        }

        leaf request-packets {
          type uint32 {
            range "0..10000";
          }
          default "0";
          description "Request packets.";
        }
      }  // container ipv6-all-slots

      container ipv6-slots {
        description
          "List of DHCPv6 chasten for one slot.";
        list ipv6-slot {
          must
            "request-packets or authen-packets";
          key "slot-id";
          description
            "Configure DHCPv6 chasten for one slot.";
          leaf slot-id {
            type string {
              length "1..32";
            }
            description "Slot ID.";
          }

          leaf authen-packets {
            type uint32 {
              range "1..10000";
            }
            description "Authen packets.";
          }

          leaf request-packets {
            type uint32 {
              range "1..10000";
            }
            description "Request packets.";
          }

          leaf check-period {
            type uint32 {
              range "1..3600";
            }
            units "s";
            mandatory true;
            description "Check period.";
          }

          leaf restrain-period {
            type uint32 {
              range "0..3600";
            }
            units "s";
            mandatory true;
            description "Restrain period.";
          }
        }  // list ipv6-slot
      }  // container ipv6-slots

      container ipv6-users {
        config false;
        description
          "List of DHCPv6 chasten user information.";
        list ipv6-user {
          key "mac-address pe-vlan ce-vlan slot-id if-name";
          description
            "Operational state of DHCPv6 chasten user information.";
          leaf mac-address {
            type pub-type:mac-address;
            description "MAC address.";
          }

          leaf pe-vlan {
            type uint16 {
              range "0..4094";
            }
            description "PE VLAN of user.";
          }

          leaf ce-vlan {
            type uint16 {
              range "0..4094";
            }
            description "CE VLAN of user.";
          }

          leaf slot-id {
            type string {
              length "1..32";
            }
            description "Slot ID.";
          }

          leaf if-name {
            type leafref {
              path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
            }
            description "Interface name.";
          }

          leaf user-state {
            ext:support-filter "true";
            type enumeration {
              enum "restrain" {
                value 1;
                description
                  "Restrain state.";
              }
              enum "check" {
                value 2;
                description "Check state.";
              }
            }
            description
              "Bras chasten user state.";
          }

          leaf receive-packet-time {
            type yang:date-and-time;
            description
              "Receive packet time.";
          }

          leaf receive-packet-count {
            type uint32 {
              range "0..4294967295";
            }
            description
              "Receive packet count.";
          }

          leaf receive-authen-count {
            type uint32 {
              range "0..4294967295";
            }
            description
              "Receive authen count.";
          }

          leaf total-restrain-packet {
            type uint32 {
              range "0..4294967295";
            }
            description
              "Total restrain packet count.";
          }

          leaf total-pass-packet {
            type uint32 {
              range "0..4294967295";
            }
            description
              "Total pass packet count.";
          }
        }  // list ipv6-user
      }  // container ipv6-users

      container ipv4-all-slots {
        must
          "request-packets!=0 or authen-packets!=0";
        description
          "Configure DHCPv4 chasten for all slots.";
        leaf check-period {
          type uint32 {
            range "1..3600";
          }
          units "s";
          default "180";
          description "Check period.";
        }

        leaf restrain-period {
          type uint32 {
            range "0..3600";
          }
          units "s";
          default "300";
          description "Restrain period.";
        }

        leaf authen-packets {
          type uint32 {
            range "0..10000";
          }
          default "5";
          description "Authen packets.";
        }

        leaf request-packets {
          type uint32 {
            range "0..10000";
          }
          default "0";
          description "Request packets.";
        }
      }  // container ipv4-all-slots

      container ipv4-slots {
        description
          "List of DHCPv4 chasten for one slot.";
        list ipv4-slot {
          must
            "request-packets or authen-packets";
          key "slot-id";
          description
            "Configure DHCPv4 chasten for one slot.";
          leaf slot-id {
            type string {
              length "1..32";
            }
            description "Slot ID.";
          }

          leaf authen-packets {
            type uint32 {
              range "1..10000";
            }
            description "Authen packets.";
          }

          leaf request-packets {
            type uint32 {
              range "1..10000";
            }
            description "Request packets.";
          }

          leaf check-period {
            type uint32 {
              range "1..3600";
            }
            units "s";
            mandatory true;
            description "Check period.";
          }

          leaf restrain-period {
            type uint32 {
              range "0..3600";
            }
            units "s";
            mandatory true;
            description "Restrain period.";
          }
        }  // list ipv4-slot
      }  // container ipv4-slots

      container ipv4-users {
        config false;
        description
          "List of DHCPv4 chasten user information.";
        list ipv4-user {
          key "mac-address pe-vlan ce-vlan slot-id if-name";
          description
            "Operational state of DHCPv4 chasten user information.";
          leaf mac-address {
            type pub-type:mac-address;
            description "MAC address.";
          }

          leaf pe-vlan {
            type uint16 {
              range "0..4094";
            }
            description "PE VLAN of user.";
          }

          leaf ce-vlan {
            type uint16 {
              range "0..4094";
            }
            description "CE VLAN of user.";
          }

          leaf slot-id {
            type string {
              length "1..32";
            }
            description "Slot ID.";
          }

          leaf if-name {
            type leafref {
              path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
            }
            description "Interface name.";
          }

          leaf user-state {
            ext:support-filter "true";
            type enumeration {
              enum "restrain" {
                value 1;
                description
                  "Restrain state.";
              }
              enum "check" {
                value 2;
                description "Check state.";
              }
            }
            description
              "Bras chasten user state.";
          }

          leaf receive-packet-time {
            type yang:date-and-time;
            description
              "Receive packet time.";
          }

          leaf receive-packet-count {
            type uint32 {
              range "0..4294967295";
            }
            description
              "Receive packet count.";
          }

          leaf receive-authen-count {
            type uint32 {
              range "0..4294967295";
            }
            description
              "Receive authen count.";
          }

          leaf total-restrain-packet {
            type uint32 {
              range "0..4294967295";
            }
            description
              "Total restrain packet count.";
          }

          leaf total-pass-packet {
            type uint32 {
              range "0..4294967295";
            }
            description
              "Total pass packet count.";
          }
        }  // list ipv4-user
      }  // container ipv4-users
    }  // container bras-chasten

    rpc reset-ipv6-user {
      ext:node-ref "/bras-chasten/ipv6-users/ipv6-user";
      description
        "Reset chasten user information. When leaf clear-statistics is true, clearing chasten table entries cannot take effect.";
      input {
        leaf slot-id {
          type string {
            length "1..32";
          }
          mandatory true;
          description "Slot ID.";
        }

        leaf mac-address {
          type pub-type:mac-address;
          description "MAC address.";
        }

        leaf if-name {
          type leafref {
            path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
          }
          description "Interface name.";
        }

        leaf pe-vlan {
          type uint16 {
            range "1..4094";
          }
          description "PE VLAN of user.";
        }

        leaf ce-vlan {
          type uint16 {
            range "1..4094";
          }
          description "CE VLAN of user.";
        }

        leaf clear-statistics {
          type boolean;
          default "false";
          description
            "Clear statistics of user.";
        }
      }
    }  // rpc reset-ipv6-user

    rpc reset-ipv4-user {
      ext:node-ref "/bras-chasten/ipv4-users/ipv4-user";
      description
        "Reset chasten user information. When leaf clear-statistics is true, clearing chasten table entries cannot take effect.";
      input {
        leaf slot-id {
          type string {
            length "1..32";
          }
          mandatory true;
          description "Slot ID.";
        }

        leaf mac-address {
          type pub-type:mac-address;
          description "MAC address.";
        }

        leaf if-name {
          type leafref {
            path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
          }
          description "Interface name.";
        }

        leaf pe-vlan {
          type uint16 {
            range "1..4094";
          }
          description "PE VLAN of user.";
        }

        leaf ce-vlan {
          type uint16 {
            range "1..4094";
          }
          description "CE VLAN of user.";
        }

        leaf clear-statistics {
          type boolean;
          default "false";
          description
            "Clear statistics of user.";
        }
      }
    }  // rpc reset-ipv4-user
  }  // module huawei-bras-chasten