module ciena-mef-frame-to-cos-map {

    yang-version 1;

    namespace
      "urn:ciena:params:xml:ns:yang:ciena-pn: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 the Frame to Cos Map.";

    revision "2017-10-23" {
      description
        "Added missing reference and description for container and list.";
      reference
        "RFC 6020: YANG - A Data Modeling Language for
        the Network Configuration Protocol (NETCONF).
        No specific reference; standard not available.";

    }

    revision "2015-07-16" {
      description "Initial revision.";
      reference
        "RFC 6020: YANG - A Data Modeling Language for
        the Network Configuration Protocol (NETCONF).
        No specific reference; standard not available.";

    }


    typedef frame-to-cos-ref {
      type leafref {
        path "/ftc:frame-to-cos-maps/ftc:frame-to-cos-map/ftc:name";
      }
      description
        "This type is used by data models that need to reference
configured frame to CoS maps.";
    }

    container frame-to-cos-maps {
      description
        "Configuration Data for Frame to CoS profiles.";
      list frame-to-cos-map {
        key "name";
        description
          "A list of profiles that can contain several map entries.";
        leaf name {
          type string;
          description
            "A string used to uniquely identify a list of profiles.";
        }

        leaf description {
          type string;
          description
            "A more detailed description of the map.";
        }

        list map-entry {
          key "name";
          description
            "A list of map entries within a frame-to-cos map profile.";
          leaf name {
            type string;
            description
              "A string used to uniquely identify a particular map
entry within the profile.";
          }

          choice frame-type {
            description
              "The frame type can be either vlan-tag or IP or MPLS type.";
            case vlan-tag {
              description
                "For layer 2 frames, the VLAN tag's priority bits and
DEI value are used as key fields to derive an assigned
COS and color for the frame.";
              leaf pcp {
                type uint8 {
                  range "0..7";
                }
                description
                  "This represents VLAN tag priority bits of frame.";
              }

              leaf dei {
                type enumeration {
                  enum "enabled" {
                    value 0;
                    description
                      "Enables VLAN tag DEI bit.";
                  }
                  enum "disabled" {
                    value 1;
                    description
                      "Disables VLAN tag DEI bit.";
                  }
                }
                description
                  "This represents VLAN tag DEI bits of frame.";
              }
            }  // case vlan-tag

            case ip {
              description
                "For IP frames, DSCP bits are used to derive an assigned
CoS and color for the frame.";
              leaf ip-dscp {
                type uint8 {
                  range "0..63";
                }
                description
                  "This represents IP header DSCP value.";
              }
            }  // case ip

            case mpls {
              description
                "For frames with MPLS label, EXP bits are used to derive an
assigned CoS and color for the frame.";
              leaf mpls-tc {
                type uint8 {
                  range "0..7";
                }
                description
                  "This represents MPLS label EXP bits.";
              }
            }  // case mpls
          }  // choice frame-type

          leaf cos {
            type uint8 {
              range "0..63";
            }
            description
              "Class of Service bits.";
          }

          leaf color {
            type enumeration {
              enum "green" {
                value 0;
                description
                  "This represents frame color green.";
              }
              enum "yellow" {
                value 1;
                description
                  "This represents frame color yellow.";
              }
              enum "red" {
                value 2;
                description
                  "This represents frame color red.";
              }
            }
            description
              "The assigned color for the frame. A color of green
indicates the frame is conformant with CIR,
a yellow indicates it is not conformant with CIR but
is conformant with EIR and red means it is not
conformant with EIR or CIR and thus will be dropped.";
          }
        }  // list map-entry
      }  // list frame-to-cos-map
    }  // container frame-to-cos-maps
  }  // module ciena-mef-frame-to-cos-map