module bgp-multiprotocol {
	yang-version 1;
	namespace "urn:opendaylight:params:xml:ns:yang:bgp-multiprotocol";
	prefix "bgp-mp";

	import  ietf-inet-types {
		prefix inet;
		revision-date 2010-09-24;
	}
	import bgp-message { prefix bgp-msg; }
	import bgp-types { prefix bgp-t; }

	organization "Cisco Systems, Inc.";
	contact "Dana Kutenicsova <dkutenic@cisco.com>";

	description
		"This module contains the base data model of a BGP message.
		It rolls up the definitions contained in RFC4271
		and draft-ietf-idr-ls-distribution-03.

		Copyright (c)2013 Cisco Systems, Inc. All rights reserved.

		This program and the accompanying materials are made available
		under the terms of the Eclipse Public License v1.0 which
		accompanies this distribution, and is available at
		http://www.eclipse.org/legal/epl-v10.html";

	revision "2013-09-18" {
		description
			"Initial revision.";
		reference "RFC4760";
	}

	grouping bgp-table-type {
		leaf afi {
			type identityref {
				base bgp-t:address-family;
			}
		}
		leaf safi {
			type identityref {
				base bgp-t:subsequent-address-family;
			}
		}
	}

	grouping destination {
		choice destination-type {
			case destination-ipv4 {
				when "../../afi = ipv4";
				leaf-list ipv4-prefixes {
					type inet:ipv4-prefix;
				}
			}
			case destination-ipv6 {
				when "../../afi = ipv6";
				leaf-list ipv6-prefixes {
					type inet:ipv6-prefix;
				}
			}
		}
	}

	augment "/bgp-msg:open/bgp-msg:bgp-parameters/bgp-msg:c-parameters" {
		case c-multiprotocol {
			container multiprotocol-capability {
				reference "http://tools.ietf.org/html/rfc4760#section-8";
				uses bgp-table-type;
			}
		}
	}

	augment "/bgp-msg:update/bgp-msg:path-attributes" {
		container mp-unreach-nlri {
			reference "http://tools.ietf.org/html/rfc4760#section-4";

			uses bgp-table-type;

			container withdrawn-routes {
				uses destination;
			}
		}
	}

	augment "/bgp-msg:update/bgp-msg:path-attributes" {
		container mp-reach-nlri {
			reference "http://tools.ietf.org/html/rfc4760#section-3";

			uses bgp-table-type;
			uses bgp-t:next-hop;

			container advertized-routes {
				uses destination;
			}
		}
	}
}