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.

     Copyright 2020 FRRouting

     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
     are met:

     1. Redistributions of source code must retain the above copyright notice,
     this list of conditions and the following disclaimer.

     2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.

     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.";

  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
    }
  }
}
