module frr-igmp {
  yang-version "1.1";
  namespace "http://frrouting.org/yang/igmp";

  prefix frr-igmp;

  import frr-routing {
    prefix "frr-rt";
  }

  import ietf-routing-types {
    prefix "rt-types";
  }

  import ietf-inet-types {
    prefix "inet";
  }

  import frr-interface {
    prefix frr-interface;
  }

  organization
    "FRRouting";

  contact
    "FRR Users List:       <mailto:frog@lists.frrouting.org>
     FRR Development List: <mailto:dev@lists.frrouting.org>";

  description
    "This module defines a model for managing FRR pimd daemon.";

  revision 2019-11-06 {
    description
      "Initial revision.";
    reference
      "RFC 2236: IGMP v2.
       RFC 3376: IGMP v3.";
  }

  grouping interface-config-attributes {
    description
      "Configuration attributes applied to the interface level.";

    leaf igmp-enable {
      type boolean;
      default "false";
      description
        "Enable IGMP protocol on the interface.";
    }

    leaf version {
      type uint8 {
        range "2..3";
      }
      default "3";
      description
        "IGMP version.";
    }

    leaf query-interval {
      type uint16 {
        range "1..1800";
      }
      units seconds;
      default "125";
      description
        "The Query Interval is the interval between General Queries
         sent by the Querier.";
    }

    leaf query-max-response-time {
      type uint8 {
        range "10..250";
      }
      units deciseconds;
      default "100";
      description
        "Query maximum response time specifies the maximum time
         allowed before sending a responding report.";
    }

    leaf last-member-query-interval {
      type uint8 {
        range "1..255";
      }
      units deciseconds;
      default "10";
      description
        "Last Member Query Interval, which may be tuned to modify
         the leave latency of the network.";
    }

    leaf robustness-variable {
      type uint8 {
        range "1..7";
      }
      default "2";
      description
        "Querier's Robustness Variable allows tuning for the
         expected packet loss on a network.";
    }
  }

  grouping per-af-interface-config-attributes {
    description
      "Configuration attributes applied to the interface level per address family.";

    list static-group {
      key "group-addr source-addr";
      description
        "A static multicast route, (*,G) or (S,G).
         The version of IGMP must be 3 to support (S,G).";

      leaf group-addr {
        type rt-types:ip-multicast-group-address;
        description
          "Multicast group address.";
      }
      leaf source-addr {
        type inet:ip-address;
        description
          "Multicast source address.";
      }
    }

  } // per-af-interface-config-attributes

  /*
   * Per-interface configuration data
   */
  augment "/frr-interface:lib/frr-interface:interface" {
    container igmp {
      description
        "IGMP interface parameters.";
      uses interface-config-attributes;
      list address-family {
        key "address-family";
        description
          "Each list entry for one address family.";
        uses frr-rt:address-family;
        uses per-af-interface-config-attributes;

        } //address-family
    }
  }
}