module openconfig-vlan {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/vlan";

    prefix oc-vlan;

    import openconfig-vlan-types {
      prefix oc-vlan-types;
    }
    import openconfig-interfaces {
      prefix oc-if;
    }
    import openconfig-if-ethernet {
      prefix oc-eth;
    }
    import openconfig-if-aggregate {
      prefix oc-lag;
    }
    import iana-if-type {
      prefix ift;
    }
    import openconfig-extensions {
      prefix oc-ext;
    }

    organization "OpenConfig working group";

    contact
      "OpenConfig working group
netopenconfig@googlegroups.com";

    description
      "This module defines configuration and state variables for VLANs,
in addition to VLAN parameters associated with interfaces";

    revision "2017-07-14" {
      description
        "Move top-level vlan data to network-instance; Update
identities to comply to style guide; fixed pattern
quoting; corrected trunk vlan types; added TPID config to
base interface.";
      reference
        "2.0.0";

    }

    revision "2016-05-26" {
      description
        "OpenConfig public release";
      reference
        "1.0.2";

    }

    oc-ext:openconfig-version "2.0.0";

    grouping vlan-config {
      description
        "VLAN configuration container.";
      leaf vlan-id {
        type oc-vlan-types:vlan-id;
        description "Interface VLAN id.";
      }

      leaf name {
        type string;
        description "Interface VLAN name.";
      }

      leaf status {
        type enumeration {
          enum "ACTIVE" {
            value 0;
            description "VLAN is active";
          }
          enum "SUSPENDED" {
            value 1;
            description
              "VLAN is inactive / suspended";
          }
        }
        default "ACTIVE";
        description
          "Admin state of the VLAN";
      }
    }  // grouping vlan-config

    grouping vlan-state {
      description
        "State variables for VLANs";
    }  // grouping vlan-state

    grouping vlan-tpid-config {
      description
        "TPID configuration for dot1q-enabled interfaces";
      leaf tpid {
        type identityref {
          base oc-vlan-types:TPID_TYPES;
        }
        default "oc-vlan-types:TPID_0X8100";
        description
          "Optionally set the tag protocol identifier field (TPID) that
is accepted on the VLAN";
      }
    }  // grouping vlan-tpid-config

    grouping vlan-tpid-state {
      description
        "TPID opstate for dot1q-enabled interfaces";
    }  // grouping vlan-tpid-state

    grouping vlan-members-state {
      description
        "List of interfaces / subinterfaces belonging to the VLAN.";
      container members {
        description
          "Enclosing container for list of member interfaces";
        list member {
          config false;
          description
            "List of references to interfaces / subinterfaces
associated with the VLAN.";
          uses oc-if:base-interface-ref-state;
        }  // list member
      }  // container members
    }  // grouping vlan-members-state

    grouping vlan-switched-config {
      description
        "VLAN related configuration that is part of the physical
Ethernet interface.";
      leaf interface-mode {
        type oc-vlan-types:vlan-mode-type;
        description
          "Set the interface to access or trunk mode for
VLANs";
      }

      leaf native-vlan {
        when "interface-mode = 'TRUNK'" {
          description
            "Native VLAN is valid for trunk mode interfaces";
        }
        type oc-vlan-types:vlan-id;
        description
          "Set the native VLAN id for untagged frames arriving on
a trunk interface.  Tagged frames sent on an interface
configured with a native VLAN should have their tags
stripped prior to transmission. This configuration is only
valid on a trunk interface.";
      }

      leaf access-vlan {
        when "interface-mode = 'ACCESS'" {
          description
            "Access VLAN assigned to the interfaces";
        }
        type oc-vlan-types:vlan-id;
        description
          "Assign the access vlan to the access port.";
      }

      leaf-list trunk-vlans {
        when "interface-mode = 'TRUNK'" {
          description
            "Allowed VLANs may be specified for trunk mode
interfaces.";
        }
        type union {
          type oc-vlan-types:vlan-id;
          type oc-vlan-types:vlan-range;
        }
        description
          "Specify VLANs, or ranges thereof, that the interface may
carry when in trunk mode.  If not specified, all VLANs are
allowed on the interface. Ranges are specified in the form
x..y, where x<y - ranges are assumed to be inclusive (such
that the VLAN range is x <= range <= y.";
      }
    }  // grouping vlan-switched-config

    grouping vlan-switched-state {
      description
        "VLAN related operational state that is part of Ethernet
interface state data";
    }  // grouping vlan-switched-state

    grouping vlan-switched-top {
      description
        "Top-level grouping for VLAN data associated with an
Ethernet interface";
      container switched-vlan {
        description
          "Enclosing container for VLAN interface-specific
data on Ethernet interfaces.  These are for standard
L2, switched-style VLANs.";
        container config {
          description
            "Configuration parameters for VLANs";
          uses vlan-switched-config;
        }  // container config

        container state {
          config false;
          description
            "State variables for VLANs";
          uses vlan-switched-config;

          uses vlan-switched-state;
        }  // container state
      }  // container switched-vlan
    }  // grouping vlan-switched-top

    grouping vlan-logical-config {
      description
        "VLAN related configuration that is part of subinterface
(logical interface) configuration.  These are generally
L3 VLANs with an id that is local.";
      leaf vlan-id {
        type union {
          type oc-vlan-types:vlan-id;
          type oc-vlan-types:qinq-id;
        }
        description
          "VLAN id for the subinterface -- specified inline for the
case of a local VLAN.  The id is scoped to the
subinterface, and could be repeated on different
subinterfaces.";
      }
    }  // grouping vlan-logical-config

    grouping vlan-logical-state {
      description
        "VLAN related operational state that is part of logical
interface state data";
    }  // grouping vlan-logical-state

    grouping vlan-top {
      description
        "Top-level grouping for VLAN configuration";
      container vlans {
        description
          "Container for VLAN configuration and state
variables";
        list vlan {
          key "vlan-id";
          description
            "Configured VLANs keyed by id";
          leaf vlan-id {
            type leafref {
              path "../config/vlan-id";
            }
            description
              "references the configured vlan-id";
          }

          container config {
            description
              "Configuration parameters for VLANs";
            uses vlan-config;
          }  // container config

          container state {
            config false;
            description
              "State variables for VLANs";
            uses vlan-config;

            uses vlan-state;
          }  // container state

          uses vlan-members-state;
        }  // list vlan
      }  // container vlans
    }  // grouping vlan-top

    grouping vlan-logical-top {
      description
        "Top-level grouping for VLAN data associated with a
logical interface or subinterface";
      container vlan {
        description
          "Enclosing container for VLAN interface-specific
data on subinterfaces";
        container config {
          description
            "Configuration parameters for VLANs";
          uses vlan-logical-config;
        }  // container config

        container state {
          config false;
          description
            "State variables for VLANs";
          uses vlan-logical-config;

          uses vlan-logical-state;
        }  // container state
      }  // container vlan
    }  // grouping vlan-logical-top

    grouping vlan-routed-config {
      description
        "Configuration data for routed vlans (SVI, IRB, etc.)";
      leaf vlan {
        type union {
          type uint16;
          type string;
        }
        description
          "References the VLAN for which this IP interface
provides routing services -- similar to a switch virtual
interface (SVI), or integrated routing and bridging interface
(IRB) in some implementations.";
      }
    }  // grouping vlan-routed-config

    grouping vlan-routed-state {
      description
        "Operational state data for routed vlan interfaces.";
    }  // grouping vlan-routed-state

    grouping vlan-routed-top {
      description
        "Top-level grouping for routed vlan logical interfaces";
      container routed-vlan {
        description
          "Top-level container for routed vlan interfaces.  These
logical interfaces are also known as SVI (switched virtual
interface), IRB (integrated routing and bridging), RVI
(routed VLAN interface)";
        container config {
          description
            "Configuration data for routed vlan interfaces";
          uses vlan-routed-config;
        }  // container config

        container state {
          config false;
          description
            "Operational state data ";
          uses vlan-routed-config;

          uses vlan-routed-state;
        }  // container state
      }  // container routed-vlan
    }  // grouping vlan-routed-top

    augment /oc-if:interfaces/oc-if:interface/oc-if:subinterfaces/oc-if:subinterface {
      description
        "Adds VLAN settings to individual subinterfaces";
      uses vlan-logical-top;
    }

    augment /oc-if:interfaces/oc-if:interface/oc-if:config {
      description
        "Adds TPID / ethertype setting for the base interface";
      uses vlan-tpid-config;
    }

    augment /oc-if:interfaces/oc-if:interface/oc-if:state {
      description
        "Adds TPID / ethertype opstate for the base interface";
      uses vlan-tpid-config;

      uses vlan-tpid-state;
    }

    augment /oc-if:interfaces/oc-if:interface/oc-eth:ethernet {
      description
        "Adds VLAN settings to individual Ethernet interfaces";
      uses vlan-switched-top {
        when
          "oc-if:type = 'ift:ethernetCsmacd'" {
          description
            "Active when the interface is Ethernet";
        }
      }
    }

    augment /oc-if:interfaces/oc-if:interface/oc-lag:aggregation {
      description
        "Adds VLAN settings to a LAG interface";
      uses vlan-switched-top {
        when
          "oc-if:type = 'ift:ieee8023adLag'" {
          description
            "Active when the interface is a LAG";
        }
      }
    }

    augment /oc-if:interfaces/oc-if:interface {
      description
        "Adds configuration and state for routed VLAN interfaces";
      uses vlan-routed-top {
        when
          "current()/oc-if:config/oc-if:type = 'ift:l3ipvlan'" {
          description
            "Active when the interface is a logical interface providing
L3 routing for VLANs";
        }
      }
    }
  }  // module openconfig-vlan