submodule openconfig-ospfv2-common {

  belongs-to openconfig-ospfv2 {
    prefix "oc-ospfv2";
  }

  import openconfig-extensions { prefix "oc-ext"; }

  // meta
  organization "OpenConfig working group";

  contact
    "OpenConfig working group
    www.openconfig.net";

  description
    "This submodule provides OSPFv2 configuration and operational
    state parameters that are shared across multiple contexts";

  oc-ext:openconfig-version "0.4.0";

  revision "2022-02-10" {
    description
      "Fix spelling error in retransmission-queue-length leaf.";
    reference "0.4.0";
  }

  revision "2021-07-28" {
    description
      "Add prefix to qualify when statements.";
    reference "0.3.1";
  }

  revision "2021-03-17" {
    description
      "Add bfd support without augmentation.";
    reference "0.3.0";
  }

  revision "2019-11-28" {
    description
      "Revert path changes in when statements in LSDB model";
    reference "0.2.2";
  }

  revision "2019-11-05" {
    description
      "Fix paths in when statements in LSDB model";
    reference "0.2.1";
  }

  revision "2019-07-09" {
    description
      "Normalise all timeticks64 to be expressed in nanoseconds.";
    reference "0.2.0";
  }

  revision "2018-11-21" {
    description
      "Add OpenConfig module metadata extensions.";
    reference "0.1.3";
  }

  revision "2018-06-05" {
    description
      "Bug fixes in when statements in lsdb";
    reference "0.1.2";
  }

  revision "2017-08-24" {
    description
      "Minor formatting fixes.";
    reference "0.1.1";
  }

  revision "2017-02-28"{
    description
      "Initial public release of OSPFv2";
    reference "0.1.0";
  }

  revision "2016-06-24" {
    description
      "Initial revision";
    reference "0.0.1";
  }

  grouping ospfv2-common-mpls-igp-ldp-sync-config {
    description
      "Configuration parameters used for OSPFv2 MPLS/IGP
      synchronization";

    leaf enabled {
      type boolean;
      description
        "When this leaf is set to true, do not utilise this link for
        forwarding via the IGP until such time as LDP adjacencies to
        the neighbor(s) over the link are established.";
    }

    leaf post-session-up-delay {
      type uint32;
      units milliseconds;
      description
        "This leaf specifies a delay, expressed in units of milliseconds,
        between the LDP session to the IGP neighbor being established, and
        it being considered synchronized by the IGP.";
    }
  }

  grouping ospfv2-common-timers {
    description
      "Common definition of the type of timers that the OSPFv2 implementation
      uses";

    leaf timer-type {
      type enumeration {
        enum LINEAR_BACKOFF {
          description
            "The backoff used by the OSPFv2 implementation is linear, such that
            a common delay is added following each event.";
        }
        enum EXPONENTIAL_BACKOFF {
          description
            "The backoff used by the OSPFv2 implementation is exponential, such
            that the delay added following each event increases.";
        }
      }
      description
        "The timer mode that is utilised by the implementation.";
    }
  }
}