module ciena-mef-fd {

    yang-version 1;

    namespace
      "urn:ciena:params:xml:ns:yang:ciena-pn:ciena-mef-fd";

    prefix mef-fd;

    import ciena-mef-l2cp-profile {
      prefix mef-l2cp;
    }
    import ciena-mef-flood-containment-profile {
      prefix mef-fc;
    }
    import ciena-mef-pfg-profile {
      prefix mef-pfg;
    }
    import ciena-mef-egress-qos {
      prefix mef-egress-qos;
    }
    import ciena-mef-cos-to-frame-map {
      prefix ctf;
    }
    import ciena-mef-frame-to-cos-map {
      prefix ftc;
    }

    organization "Ciena Corporation";

    contact
      "Web URL: http://www.ciena.com/
       E-mail:  yang@ciena.com
       Postal:  7035 Ridge Road
                Hanover, Maryland 21076
                U.S.A.
       Phone:   +1 800-921-1144
       Fax:     +1 410-694-5750";

    description
      "This YANG module defines Ciena's configuration of
       the Forwarding Domain (Bridge Domain, Virtual Switch,
       VPLS representation for the NETCONF protocol).";

    revision "2017-08-31" {
      description
        "Added reference to Private Forwarding Group Profile for a FD.
          Added description for lists, enums, containers and leafs.";
      reference
        "RFC 6020: YANG - A Data Modeling Language for
        the Network Configuration Protocol (NETCONF).
        No specific reference; standard not available.";

    }

    revision "2016-09-25" {
      description
        "Added fd-state for operational data";
      reference
        "RFC 6020: YANG - A Data Modeling Language for
        the Network Configuration Protocol (NETCONF).
        No specific reference; standard not available.";

    }

    revision "2016-01-25" {
      description "Initial version";
      reference
        "RFC 6020: YANG - A Data Modeling Language for
        the Network Configuration Protocol (NETCONF).
        No specific reference; standard not available.";

    }


    typedef vlan-id {
      type uint16 {
        range "1..4094";
      }
      description
        "Represents a IEEE 802.1Q VLAN-ID.";
    }

    grouping l2-transform {
      description
        "This grouping defines the L2 ingress or egress transform instances.";
      choice frame-type {
        description
          "This choice represents frame-type options.";
        list vlan-stack {
          key "tag";
          description
            "This represents list of vlan stack.";
          leaf tag {
            type uint8;
            description
              "Dependent on the transform operation, the tag numbers are
                         push => '1' represents push outermost, '2' represents push outermost (always push to outer)";
          }

          choice action {
            description
              "This represents the L2 transform actions which will be applied on flow points
                       of this forwarding domain.";
            case push {
              leaf push-tpid {
                type enumeration {
                  enum "tpid-8100" {
                    value 33024;
                    description
                      "Indicates TPID value 0x8100 to be pushed.";
                  }
                  enum "tpid-88a8" {
                    value 34984;
                    description
                      "Indicates TPID value 0x88A8 to be pushed.";
                  }
                  enum "tpid-9100" {
                    value 37120;
                    description
                      "Indicates TPID value 0x9100 to be pushed.";
                  }
                }
                default 'tpid-8100';
                description
                  "This represents TPID value to be pushed.";
              }

              leaf push-pcp {
                type enumeration {
                  enum "pcp-0" {
                    value 0;
                    description
                      "Indicates PCP value 0 to be pushed.";
                  }
                  enum "pcp-1" {
                    value 1;
                    description
                      "Indicates PCP value 1 to be pushed.";
                  }
                  enum "pcp-2" {
                    value 2;
                    description
                      "Indicates PCP value 2 to be pushed.";
                  }
                  enum "pcp-3" {
                    value 3;
                    description
                      "Indicates PCP value 3 to be pushed.";
                  }
                  enum "pcp-4" {
                    value 4;
                    description
                      "Indicates PCP value 4 to be pushed.";
                  }
                  enum "pcp-5" {
                    value 5;
                    description
                      "Indicates PCP value 5 to be pushed.";
                  }
                  enum "pcp-6" {
                    value 6;
                    description
                      "Indicates PCP value 6 to be pushed.";
                  }
                  enum "pcp-7" {
                    value 7;
                    description
                      "Indicates PCP value 7 to be pushed.";
                  }
                  enum "map" {
                    value 8;
                    description
                      "Indicates PCP value from map to be pushed.";
                  }
                }
                description
                  "This represents PCP value to be pushed.";
              }

              leaf push-dei {
                type enumeration {
                  enum "enabled" {
                    value 0;
                    description
                      "The frame's VLAN tag DEI bit will be pushed as 1.";
                  }
                  enum "disabled" {
                    value 1;
                    description
                      "The frame's VLAN tag DEI bit will be pushed as 0.";
                  }
                }
                description
                  "This represents DEI value to be pushed.";
              }

              leaf push-vid {
                type vlan-id;
                mandatory true;
                description
                  "This represents VLAN ID to be pushed.";
              }
            }  // case push
          }  // choice action
        }  // list vlan-stack
      }  // choice frame-type
    }  // grouping l2-transform

    container fds {
      description
        "Contains list of FDs present currently in the system.";
      list fd {
        key "name";
        description
          "The list of configured forwarding domains on the device.";
        leaf name {
          type string;
          description
            "An administratively assigned string, which may be used
                to identify the forwarding domain.";
        }

        leaf description {
          type string;
          description
            "This is string used to describe the Forwarding Domain.";
        }

        leaf mode {
          type enumeration {
            enum "vlan" {
              value 0;
              description
                "Forwarding domain is of type vlan.";
            }
            enum "vpls" {
              value 1;
              description
                "Forwarding domain is of type vpls.";
            }
            enum "vpws" {
              value 2;
              description
                "Forwarding domain is of type vpws.";
            }
          }
          description
            "The configuration mode of the forwarding domain.";
        }

        leaf vlan-id {
          when "../mode='vlan'";
          type uint16 {
            range "1..4094";
          }
          mandatory true;
          description
            "The value of VLAN ID for the forwarding domain when mode is VLAN.";
        }

        leaf mac-learning {
          type enumeration {
            enum "enabled" {
              value 0;
              description
                "This indicates MAC Learning is enabled.";
            }
            enum "disabled" {
              value 1;
              description
                "This indicates MAC Learning is disabled.";
            }
          }
          description
            "MAC learning configuration for forwarding domain.";
        }

        leaf l2cp-profile {
          type mef-l2cp:l2cp-profile-ref;
          description
            "Reference to a Layer 2 Control Protocol Tunneling Profile.";
        }

        leaf flood-containment-profile {
          type mef-fc:flood-containment-profile-ref;
          description
            "Reference to a Flood Containment Profile definition.";
        }

        leaf pfg-profile {
          type mef-pfg:pfg-profile-ref;
          description
            "Reference to a Private Forwarding Group Profile.";
        }

        leaf cos-queue-map {
          type mef-egress-qos:cos-queue-map-ref;
          description
            "Reference to queue-map for hierarchical shaping/scheduling.";
        }

        leaf queue-group-indirection {
          type mef-egress-qos:queue-group-indirection-ref;
          description
            "Reference to queue-group-indirection for hierarchical shaping/scheduling.";
        }

        container initiate-l2-transform {
          description
            "For an L2-frame that is initiated/injected via this forwarding domain, this specifies the l2-transform
                   to be applied to the frame. e.g. an L3-frame injected via this forwarding domain to L2 datapath.";
          uses l2-transform;
        }  // container initiate-l2-transform

        leaf initiate-cos-to-frame-map {
          type ctf:cos-to-frame-ref;
          description
            "For an L2-frame that is initiated/injected via this forwarding domain, this specifies the cos-to-frame map to
                   use for a cos-to-frame map policy of 'mapped' from the initiate-l2-transform config.";
        }

        choice initiate-frame-to-cos {
          description
            "Indicates the policy used for an L2-frame that is initiated/injected via this forwarding domain.";
          case map {
            leaf initiate-frame-to-cos-map-policy {
              type enumeration {
                enum "outer-tag" {
                  value 0;
                  description
                    "If the policy is set to outer-tag then outer VLAN tag PCP/CFI value is 
                            mapped to the port resolved CoS mapping table to derive the R-CoS and R-Color.";
                }
                enum "inner-tag" {
                  value 1;
                  description
                    "If the policy is set to inner-tag then inner VLAN tag PCP/CFI value is 
                            mapped to the port resolved CoS mapping table to derive the R-CoS and R-Color.";
                }
                enum "mpls-tc" {
                  value 2;
                  description
                    "If the policy is set to mpls-tc then EXP bits in MPLS label is mapped to the port 
                            resolved CoS mapping table to derive the R-CoS and R-Color.";
                }
                enum "dscp" {
                  value 3;
                  description
                    "If the policy is set to dscp then dscp value in IP header is mapped to the port 
                            resolved CoS mapping table to derive the R-CoS and R-Color.";
                }
              }
              description
                "For an L2-frame that is initiated/injected via this forwarding domain, this specifies the frame-to-cos-map sub-policy to
                      use when when the policy is mapped.";
            }

            leaf initiate-frame-to-cos-map {
              type ftc:frame-to-cos-ref;
              description
                "For an L2-frame that is initiated/injected via this forwarding domain, this specifies the frame-to-cos map to
                      use for an initiate frame-to-cos map policy of 'mapped'.";
            }
          }  // case map

          case fixed {
            leaf cos {
              type uint8 {
                range "0..63";
              }
              description
                "For an L2-frame that is initiated/injected via this forwarding domain, this specifies the fixed cos value to
                      use when when the policy is fixed.";
            }

            leaf color {
              type enumeration {
                enum "green" {
                  value 0;
                  description
                    "Indicates fixed color Green.";
                }
                enum "yellow" {
                  value 1;
                  description
                    "Indicates fixed color Yellow.";
                }
                enum "red" {
                  value 2;
                  description
                    "Indicates fixed color Red.";
                }
              }
              description
                "For an L2-frame that is initiated/injected via this forwarding domain, this specifies the fixed color value to
                      use when when the policy is fixed.";
            }
          }  // case fixed
        }  // choice initiate-frame-to-cos
      }  // list fd
    }  // container fds

    container fds-state {
      config false;
      description
        "Global FD operational data.";
      list fd {
        key "name";
        description
          "The operational data for this FD.";
        leaf name {
          type string;
          description
            "A string that identifies the forwarding domain.";
        }
      }  // list fd
    }  // container fds-state
  }  // module ciena-mef-fd