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

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

  import frr-vrf {
    prefix frr-vrf;
  }

  organization
    "FRRouting";

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

  description
    "This YANG module defines essential components for the management
     of a routing subsystem.

     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 2019-08-15 {
    description
      "Initial revision.";
  }

  /* Identities */

  identity address-family {
    description
      "Base identity from which identities describing address
       families are derived.";
  }

  identity ipv4 {
    base address-family;
    description
      "This identity represents an IPv4 address family.";
  }

  identity ipv6 {
    base address-family;
    description
      "This identity represents an IPv6 address family.";
  }

  identity afi-safi-type {
    description
      "Base identity type (AFI,SAFI) tuples for RIB";
  }

  identity ipv4-unicast {
    base afi-safi-type;
    description
      "This identity represents the IPv4 unicast address family.";
  }

  identity ipv6-unicast {
    base afi-safi-type;
    description
      "This identity represents the IPv6 unicast address family.";
  }

  identity ipv4-multicast {
    base afi-safi-type;
    description
      "This identity represents the IPv4 multicast address family.";
  }

  identity ipv6-multicast {
    base afi-safi-type;
    description
      "This identity represents the IPv6 multicast address family.";
  }

  identity ipv4-labeled-unicast {
    base afi-safi-type;
    description
      "This identity represents the IPv4 labeled unicast address family.";
  }


  identity ipv6-labeled-unicast {
    base afi-safi-type;
    description
      "This identity represents the IPv6 labeled unicast address family.";
  }


  identity l3vpn-ipv4-unicast {
    base afi-safi-type;
    description
      "This identity represents the L3vpn IPv4 unicast address family.";
  }


  identity l3vpn-ipv6-unicast {
    base afi-safi-type;
    description
      "This identity represents the L3vpn IPv6 unicast address family.";
  }


  identity l3vpn-ipv4-multicast {
    base afi-safi-type;
    description
      "This identity represents the L3vpn IPv4 multicast address family.";
  }


  identity l3vpn-ipv6-multicast {
    base afi-safi-type;
    description
      "This identity represents the L3vpn IPv6 multicast address family.";
  }


  identity l2vpn-vpls {
    base afi-safi-type;
    description
      "This identity represents the L2vpn VPLS  address family.";
  }


  identity l2vpn-evpn {
    base afi-safi-type;
    description
      "This identity represents the L2vpn EVPN address family.";
  }


  identity ipv4-flowspec {
    base afi-safi-type;
    description
      "This identity represents the IPv4 flowspec address family.";
  }


  identity ipv6-flowspec {
    base afi-safi-type;
    description
      "This identity represents the IPv6 flowspec address family.";
  }


  identity control-plane-protocol {
    description
      "Base identity from which control-plane protocol identities are
       derived.";
  }

  identity routing-protocol {
    base control-plane-protocol;
    description
      "Identity from which Layer 3 routing protocol identities are
       derived.";
  }

  /* Type Definitions */

  typedef administrative-distance {
    type uint8 {
      range "1..255";
    }
    description
      "Admin distance associated with the route.";
  }

  /* Groupings */

  grouping address-family {
    description
      "This grouping provides a leaf identifying an address
       family.";
    leaf address-family {
      type identityref {
        base address-family;
      }
      mandatory true;
      description
        "Address family.";
    }
  }

  grouping router-id {
    description
      "This grouping provides a router ID.";
    leaf router-id {
      type yang:dotted-quad;
      description
        "A 32-bit number in the form of a dotted quad that is used by
         some routing protocols identifying a router.";
      reference
        "RFC 2328: OSPF Version 2";
    }
  }

  /* Data nodes */

  container routing {
    description
      "Configuration parameters for the routing subsystem.";
    container control-plane-protocols {
      description
        "Support for control-plane protocol instances.";
      list control-plane-protocol {
        key "type name vrf";
        description
          "Each entry contains a control-plane protocol instance.";
        leaf type {
          type identityref {
            base control-plane-protocol;
          }
          description
            "Type of the control-plane protocol";
        }
        leaf name {
          type string;
          description
            "An arbitrary name of the control-plane protocol
             instance.";
        }
        leaf vrf {
          type frr-vrf:vrf-ref;
          description
            "vrf for control-plane protocol";
        }
      }
    }
  }
}
