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	Vector Packet Processing	Grokmirror user

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Age	Commit message (Expand)	Author	Files	Lines
2016-05-16	VPP-57 Add missing license headers in doc files	Chris Luke	1	-0/+16
2016-05-13	VPP-57 Add Doxygen to VPP	Chris Luke	1	-0/+5

© 2016 FD.io a Linux Foundation Collaborative Project. All Rights Reserved.

Linux Foundation is a registered trademark of The Linux Foundation. Linux is a registered trademark of Linus Torvalds.

Please see our privacy policy and terms of use

module vpp-vlan {
  yang-version 1;
  namespace "urn:opendaylight:params:xml:ns:yang:vpp:vlan";
  prefix "vpp-vlan";

  revision "2015-05-27" {
    description
    "Initial revision of vlan model for VPP.
     Reuses some concepts from draft-wilton-netmod-intf-vlan-yang-02 model.";
  }

  import ietf-interfaces {
    prefix "if";
  }
  import ietf-inet-types {
    prefix inet;
  }
  import ietf-yang-types {
    prefix "yang";
  }
  import yang-ext {
    prefix "ext";
  }
  import dot1q-types {
    prefix dot1q;
  }
  import v3po {
    prefix v3po;
  }

  typedef sub-interface-status {
    type enumeration {
      enum "up";
      enum "down";
    }
  }

  // todo add 802dot1ad support to dot1q-types.yang
  /*
   * Defines the supported IEEE 802.1Q types that can be used for
   * VLAN tag matching.
   */
  identity vlan-type {
    description "Base identity from which all VLAN types
                 are derived from";
  }

  identity 802dot1q {
    base vlan-type;
    description
      "An 802.1Q VLAN type";
  }

  identity 802dot1ad {
    base vlan-type;
    description
      "An 802.1ad VLAN type";
  }

  typedef vlan-type {
    type identityref {
      base "vlan-type";
    }
    description "Identifies a specific VLAN type";
  }

  grouping match-attributes {
    choice match-type {
      mandatory true;
      description "Provides a choice of how the frames may be matched";

      case default {
        description "Default match";
        leaf default {
          type empty;
          description
            "Default match.  Matches all traffic not matched to any
             other peer sub-interface by a more specific
             encapsulation.";
        } // leaf default
      } // case default

      case untagged {
        description "Match untagged Ethernet frames only";
        leaf untagged {
          type empty;
            description
              "Untagged match.  Matches all untagged traffic.";
        } // leaf untagged
      } // case untagged

      case vlan-tagged {
        container vlan-tagged {
          description "Matches VLAN tagged frames. Vlan tags need to be specified to use this match type";

          leaf match-exact-tags {
            type boolean;
            default true;
            description
              "If set, indicates that all 802.1Q VLAN tags in the
               Ethernet frame header must be explicitly matched, i.e.
               the EtherType following the matched tags must not be a
               802.1Q tag EtherType.  If unset then extra 802.1Q VLAN
               tags are allowed.";
          }
        } // container vlan-tagged
      } // case vlan-tagged
    }
  }

  // TODO VPP does not allow to change subinterface nor delete it (except for tag-rewrite operation)
  grouping sub-interface-base-attributes {
    leaf vlan-type {
      type vlan-type;
      default 802dot1q;
    }

    container tags {
      list tag {
        key "index";
        max-elements 2;

        description "The VLAN tags to use by locally sourced traffic";

        leaf index {
          type uint8 {
            range "0..1";
          }

          /*
           * Only allow a push of an inner tag if an outer tag is also
           * being pushed.
           */
          must "index != 0 or
                count(../../push-tags[index = 0]/index) > 0" {
            error-message "An inner tag can only be pushed if an outer
                           tag is also specified";
            description "Only allow a push of an inner tag if an outer
                         tag is also being pushed";
          }
          description "The index into the tag stack";
        }

        uses dot1q:dot1q-tag-or-any;

      }
    }

    container match {
      description
       "The match used to classify frames to this interface";
      uses match-attributes;
    }

    container l2 {
      uses v3po:l2-base-attributes;
      container rewrite {
        uses tag-rewrite;
      }
    }

    container acl {
      uses v3po:acl-base-attributes;
    }
  }

  grouping sub-interface-config-attributes {
    leaf enabled {
      type boolean;
      default "false";
      description
        "Contains the configured, desired state of the sub-interface.
        To enable sub-interface, the super inerface needs to be enabled";
    }
  }

  grouping sub-interface-operational-attributes {
    leaf admin-status {
      type sub-interface-status;
      mandatory true;
    }
    leaf oper-status {
      type sub-interface-status;
      mandatory true;
    }
    leaf if-index {
      type int32 {
        range "1..2147483647";
      }
      mandatory true;
    }
    leaf phys-address {
      type yang:phys-address;
      description
        "The sub-interface's Media Access Control (MAC) address.";
    }
    leaf speed {
      type yang:gauge64;
      units "bits/second";
    }
  }

  /*
   * Only symetrical rewrite is supported
   */
  grouping tag-rewrite {
    description "Flexible rewrite";

    leaf vlan-type { // todo rename to push_dot1q, mandatory(?) with default true
      type vlan-type;
      default 802dot1q;
    }

    leaf pop-tags {
      type uint8 {
        range 1..2;
      }
      description "The number of tags to pop (or translate if used in
                   conjunction with push-tags)";
    }

    list push-tags {
      key "index";
      max-elements 2;
      description "The number of tags to push (or translate if used
                   in conjunction with pop-tags)";
      /*
       * Server should order by increasing index.
       */
      leaf index {
        type uint8 {
          range 0..1;
        }

        /*
         * Only allow a push of an inner tag if an outer tag is also
         * being pushed.
         */
        must "index != 0 or
              count(../../push-tags[index = 0]/index) > 0" {
          error-message "An inner tag can only be pushed if an outer
                         tag is also specified";
          description "Only allow a push of an inner tag if an outer
                       tag is also being pushed";
        }
      }

      uses dot1q:dot1q-tag;
    }
  }

  grouping sub-interface-ip4-attributes {
    container ipv4 {
      // TODO: add currently unsupported:
      // enabled, forwarding, mtu, address/origin(config false), neighbor/origin(config false)

      // TODO: reuse groupings once ietf-ip provides them

      description
        "Parameters for the IPv4 address family (based on ietf-ip rev. 2014-06-16)";

      list address {
        key "ip";
        description
          "The list of configured IPv4 addresses on the interface.";
        leaf ip {
          type inet:ipv4-address-no-zone;
          description
            "The IPv4 address on the interface.";
        }

        choice subnet {
          mandatory true;
          description
            "The subnet can be specified as a prefix-length, or,
             if the server supports non-contiguous netmasks, as
             a netmask.";
          leaf prefix-length {
            type uint8 {
              range "0..32";
            }
            description
              "The length of the subnet prefix.";
          }
          leaf netmask {
            type yang:dotted-quad;
            description
              "The subnet specified as a netmask (contiguous)";
          }
        }  // choice subnet
      }  // list address

      list neighbor {
        key "ip";
        description
          "A list of mappings from IPv4 addresses to
          link-layer addresses.

          Entries in this list are used as static entries in the
          ARP Cache.";
        reference
          "RFC 826: An Ethernet Address Resolution Protocol";

        leaf ip {
          type inet:ipv4-address-no-zone;
          description
            "The IPv4 address of the neighbor node.";
        }

        leaf link-layer-address {
          type yang:phys-address;
          mandatory true;
          description
            "The link-layer address of the neighbor node.";
        }
      }  // list neighbor
    }
  }

  grouping sub-interface-ip6-attributes {
    container ipv6 {
      // TODO: add currently unsupported:
      // enabled, forwarding, mtu, neighbor, dup-addr-detect-transmits, autoconf,
      // address(config false): origin, status
      // neighbor(config false): origin, is-router, state

      // TODO: reuse groupings once ietf-ip provides them

      description
        "Parameters for the IPv6 address family (based on ietf-ip rev. 2014-06-16)";

      list address {
        key "ip";
        description
          "The list of configured IPv6 addresses on the interface.";
        leaf ip {
          type inet:ipv6-address-no-zone;
          description
            "The IPv6 address on the interface.";
        }

        leaf prefix-length {
          type uint8 {
            range "0..128";
          }
          mandatory true;
          description
            "The length of the subnet prefix.";
        }
      }  // list address

      list neighbor {
        key "ip";
        description
          "A list of mappings from IPv6 addresses to
        link-layer addresses.

        Entries in this list are used as static entries in the
        Neighbor Cache.";
        reference
          "RFC 4861: Neighbor Discovery for IP version 6 (IPv6)";

        leaf ip {
          type inet:ipv6-address-no-zone;
          description
            "The IPv6 address of the neighbor node.";
        }

        leaf link-layer-address {
          type yang:phys-address;
          mandatory true;
          description
            "The link-layer address of the neighbor node.";
        }
      }  // list neighbor
    }
  }

  augment /if:interfaces/if:interface {
    ext:augment-identifier "subinterface-augmentation";

    container sub-interfaces {
      description "L2 vlan subinterfaces";


      list sub-interface {
        key "identifier";
        leaf identifier {
          type uint32;
        }

        uses sub-interface-base-attributes;
        uses sub-interface-config-attributes;
        uses sub-interface-ip4-attributes;
        uses sub-interface-ip6-attributes;
      }
    }
  }

  augment /if:interfaces-state/if:interface {
    ext:augment-identifier "subinterface-state-augmentation";

    container sub-interfaces {
      description "L2 vlan subinterfaces";

      list sub-interface {
        key "identifier";
        leaf identifier {
          type uint32;
        }

        uses sub-interface-base-attributes;
        uses sub-interface-operational-attributes;
        uses sub-interface-ip4-attributes;
        uses sub-interface-ip6-attributes;
      }
    }
  }

}