module openconfig-pim-types {

    yang-version "1";

    // namespace
    namespace "http://openconfig.net/yang/pim/types";

    prefix "oc-pim-types";

    // import some basic types
    import openconfig-extensions { prefix "oc-ext"; }

    // meta
    organization
      "OpenConfig working group";

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

    description
      "This module defines types related to the PIM protocol model.";

    oc-ext:openconfig-version "0.1.0";

    revision "2018-02-19" {
        description
          "Initial revision.";
        reference "0.1.0";
    }

    // identity statements

    identity PIM_MODE {
        description
          "Base identity for the operating modes of Protocol-Independent
          Multicast.";
    }

    identity PIM_MODE_SPARSE {
        base PIM_MODE;
        description
          "PIM sparse mode (PIM-SM).";
        reference "RFC7761";
    }

    identity PIM_MODE_DENSE {
        base PIM_MODE;
        description
          "PIM dense mode (PIM-DM).";
        reference "RFC3973";
    }

    // typedef statements

    typedef dr-priority-type {
        type uint32;
        description
          "The port's designated router priority. Larger always preferred.
          DR Priority is a 32-bit unsigned number, ranges 0-4294967295.";
        reference "RFC7761 4.3.1 page 33";
    }

    typedef pim-interval-type {
        type uint8 {
          range 1..255;
        }
        units "seconds";
        description
          "Interval at which the router sends the PIM message toward the
          upstream RPF neighbor.";
        reference "RFC7761 4.5 page 44, 4.3.1 page 29";
    }
}