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|
module ietf-ipv6-unicast-routing {
namespace "urn:ietf:params:xml:ns:yang:ietf-ipv6-unicast-routing";
prefix "v6ur";
import ietf-routing {
prefix "rt";
}
import ietf-inet-types {
prefix "inet";
}
import ietf-interfaces {
prefix "if";
}
import ietf-ip {
prefix "ip";
}
//TODO modification needed because of yangtools bug(unable to proceed augmentation in separate model of augmentation in this model)
import vpp-routing {
prefix vpp-r;
}
organization
"IETF NETMOD (NETCONF Data Modeling Language) Working Group";
contact
"WG Web: <http://tools.ietf.org/wg/netmod/>
WG List: <mailto:netmod@ietf.org>
WG Chair: Thomas Nadeau
<mailto:tnadeau@lucidvision.com>
WG Chair: Juergen Schoenwaelder
<mailto:j.schoenwaelder@jacobs-university.de>
Editor: Ladislav Lhotka
<mailto:lhotka@nic.cz>";
description
"This YANG module augments the 'ietf-routing' module with basic
configuration and operational state data for IPv6 unicast
routing.
Copyright (c) 2014 IETF Trust and the persons identified as
authors of the code. All rights reserved.
Redistribution and use in source and binary forms, with or
without modification, is permitted pursuant to, and subject to
the license terms contained in, the Simplified BSD License set
forth in Section 4.c of the IETF Trust's Legal Provisions
Relating to IETF Documents
(http://trustee.ietf.org/license-info).
This version of this YANG module is part of RFC XXXX; see the
RFC itself for full legal notices.";
revision 2014-05-25 {
description
"Initial revision.";
reference
"RFC XXXX: A YANG Data Model for Routing Management";
}
/* Identities */
identity ipv6-unicast {
base rt:ipv6;
description
"This identity represents the IPv6 unicast address family.";
}
/* Operational state data */
augment "/rt:routing-state/rt:routing-instance/rt:interfaces/"
+ "rt:interface" {
description
"IPv6-specific parameters of router interfaces.";
container ipv6-router-advertisements {
description
"Parameters of IPv6 Router Advertisements.";
leaf send-advertisements {
type boolean;
description
"A flag indicating whether or not the router sends periodic
Router Advertisements and responds to Router
Solicitations.";
}
leaf max-rtr-adv-interval {
type uint16 {
range "4..1800";
}
units "seconds";
description
"The maximum time allowed between sending unsolicited
multicast Router Advertisements from the interface.";
}
leaf min-rtr-adv-interval {
type uint16 {
range "3..1350";
}
units "seconds";
description
"The minimum time allowed between sending unsolicited
multicast Router Advertisements from the interface.";
}
leaf managed-flag {
type boolean;
description
"The value that is placed in the 'Managed address
configuration' flag field in the Router Advertisement.";
}
leaf other-config-flag {
type boolean;
description
"The value that is placed in the 'Other configuration' flag
field in the Router Advertisement.";
}
leaf link-mtu {
type uint32;
description
"The value that is placed in MTU options sent by the
router. A value of zero indicates that no MTU options are
sent.";
}
leaf reachable-time {
type uint32 {
range "0..3600000";
}
units "milliseconds";
description
"The value that is placed in the Reachable Time field in
the Router Advertisement messages sent by the router. A
value of zero means unspecified (by this router).";
}
leaf retrans-timer {
type uint32;
units "milliseconds";
description
"The value that is placed in the Retrans Timer field in the
Router Advertisement messages sent by the router. A value
of zero means unspecified (by this router).";
}
leaf cur-hop-limit {
type uint8;
description
"The value that is placed in the Cur Hop Limit field in the
Router Advertisement messages sent by the router. A value
of zero means unspecified (by this router).";
}
leaf default-lifetime {
type uint16 {
range "0..9000";
}
units "seconds";
description
"The value that is placed in the Router Lifetime field of
Router Advertisements sent from the interface, in seconds.
A value of zero indicates that the router is not to be
used as a default router.";
}
container prefix-list {
description
"A list of prefixes that are placed in Prefix Information
options in Router Advertisement messages sent from the
interface.
By default, these are all prefixes that the router
advertises via routing protocols as being on-link for the
interface from which the advertisement is sent.";
list prefix {
key "prefix-spec";
description
"Advertised prefix entry and its parameters.";
leaf prefix-spec {
type inet:ipv6-prefix;
description
"IPv6 address prefix.";
}
leaf valid-lifetime {
type uint32;
units "seconds";
description
"The value that is placed in the Valid Lifetime in the
Prefix Information option. The designated value of all
1's (0xffffffff) represents infinity.";
}
leaf on-link-flag {
type boolean;
description
"The value that is placed in the on-link flag ('L-bit')
field in the Prefix Information option.";
}
leaf preferred-lifetime {
type uint32;
units "seconds";
description
"The value that is placed in the Preferred Lifetime in
the Prefix Information option, in seconds. The
designated value of all 1's (0xffffffff) represents
infinity.";
}
leaf autonomous-flag {
type boolean;
description
"The value that is placed in the Autonomous Flag field
in the Prefix Information option.";
}
}
}
}
}
augment "/rt:routing-state/rt:ribs/rt:rib/rt:routes/rt:route" {
when "../../rt:address-family = 'v6ur:ipv6-unicast'" {
description
"This augment is valid only for IPv6 unicast.";
}
description
"This leaf augments an IPv6 unicast route.";
leaf destination-prefix {
type inet:ipv6-prefix;
description
"IPv6 destination prefix.";
}
}
augment "/rt:routing-state/rt:ribs/rt:rib/rt:routes/rt:route/"
+ "rt:next-hop-options/rt:simple-next-hop" {
when "../../rt:address-family = 'v6ur:ipv6-unicast'" {
description
"This augment is valid only for IPv6 unicast.";
}
description
"This leaf augments the 'simple-next-hop' case of IPv6 unicast
routes.";
leaf next-hop {
type inet:ipv6-address;
description
"IPv6 address of the next-hop.";
}
}
augment "/rt:routing-state/rt:ribs/rt:rib/rt:routes/rt:route/"
+ "rt:next-hop-options/rt:next-hop-list/rt:next-hop-list/"
+ "rt:next-hop" {
when "../../../../rt:address-family = 'v6ur:ipv6-unicast'" {
description
"This augment is valid only for IPv6 unicast.";
}
if-feature rt:multipath-routes;
description
"This leaf augments the 'next-hop-list' case of IPv6 unicast
routes.";
leaf address {
type inet:ipv6-address;
description
"IPv6 address of the next-hop.";
}
}
/* Configuration data */
augment
"/rt:routing/rt:routing-instance/rt:interfaces/rt:interface" {
when "/if:interfaces/if:interface[if:name=current()/rt:name]/"
+ "ip:ipv6/ip:enabled='true'" {
description
"This augment is only valid for router interfaces with
enabled IPv6.";
}
description
"Configuration of IPv6-specific parameters of router
interfaces.";
container ipv6-router-advertisements {
description
"Configuration of IPv6 Router Advertisements.";
leaf send-advertisements {
type boolean;
default "false";
description
"A flag indicating whether or not the router sends periodic
Router Advertisements and responds to Router
Solicitations.";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6) -
AdvSendAdvertisements.";
}
leaf max-rtr-adv-interval {
type uint16 {
range "4..1800";
}
units "seconds";
default "600";
description
"The maximum time allowed between sending unsolicited
multicast Router Advertisements from the interface.";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6) -
MaxRtrAdvInterval.";
}
leaf min-rtr-adv-interval {
type uint16 {
range "3..1350";
}
units "seconds";
must ". <= 0.75 * ../max-rtr-adv-interval" {
description
"The value MUST NOT be greater than 75 % of
'max-rtr-adv-interval'.";
}
description
"The minimum time allowed between sending unsolicited
multicast Router Advertisements from the interface.
The default value to be used operationally if this leaf is
not configured is determined as follows:
- if max-rtr-adv-interval >= 9 seconds, the default value
is 0.33 * max-rtr-adv-interval;
- otherwise it is 0.75 * max-rtr-adv-interval.";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6) -
MinRtrAdvInterval.";
}
leaf managed-flag {
type boolean;
default "false";
description
"The value to be placed in the 'Managed address
configuration' flag field in the Router Advertisement.";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6) -
AdvManagedFlag.";
}
leaf other-config-flag {
type boolean;
default "false";
description
"The value to be placed in the 'Other configuration' flag
field in the Router Advertisement.";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6) -
AdvOtherConfigFlag.";
}
leaf link-mtu {
type uint32;
default "0";
description
"The value to be placed in MTU options sent by the router.
A value of zero indicates that no MTU options are sent.";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6) -
AdvLinkMTU.";
}
leaf reachable-time {
type uint32 {
range "0..3600000";
}
units "milliseconds";
default "0";
description
"The value to be placed in the Reachable Time field in the
Router Advertisement messages sent by the router. A value
of zero means unspecified (by this router).";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6) -
AdvReachableTime.";
}
leaf retrans-timer {
type uint32;
units "milliseconds";
default "0";
description
"The value to be placed in the Retrans Timer field in the
Router Advertisement messages sent by the router. A value
of zero means unspecified (by this router).";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6) -
AdvRetransTimer.";
}
leaf cur-hop-limit {
type uint8;
description
"The value to be placed in the Cur Hop Limit field in the
Router Advertisement messages sent by the router. A value
of zero means unspecified (by this router).
If this parameter is not configured, the device SHOULD use
the value specified in IANA Assigned Numbers that was in
effect at the time of implementation.";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6) -
AdvCurHopLimit.
IANA: IP Parameters,
http://www.iana.org/assignments/ip-parameters";
}
leaf default-lifetime {
type uint16 {
range "0..9000";
}
units "seconds";
description
"The value to be placed in the Router Lifetime field of
Router Advertisements sent from the interface, in seconds.
It MUST be either zero or between max-rtr-adv-interval and
9000 seconds. A value of zero indicates that the router is
not to be used as a default router. These limits may be
overridden by specific documents that describe how IPv6
operates over different link layers.
If this parameter is not configured, the device SHOULD use
a value of 3 * max-rtr-adv-interval.";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6) -
AdvDefaultLifeTime.";
}
container prefix-list {
description
"Configuration of prefixes to be placed in Prefix
Information options in Router Advertisement messages sent
from the interface.
Prefixes that are advertised by default but do not have
their entries in the child 'prefix' list are advertised
with the default values of all parameters.
The link-local prefix SHOULD NOT be included in the list
of advertised prefixes.";
reference
"RFC 4861: Neighbor Discovery for IP version 6 (IPv6) -
AdvPrefixList.";
list prefix {
key "prefix-spec";
description
"Configuration of an advertised prefix entry.";
leaf prefix-spec {
type inet:ipv6-prefix;
description
"IPv6 address prefix.";
}
choice control-adv-prefixes {
default "advertise";
description
"The prefix either may be explicitly removed from the
set of advertised prefixes, or parameters with which
it is advertised may be specified (default case).";
leaf no-advertise {
type empty;
description
"The prefix will not be advertised.
This can be used for removing the prefix from the
default set of advertised prefixes.";
}
case advertise {
leaf valid-lifetime {
type uint32;
units "seconds";
default "2592000";
description
"The value to be placed in the Valid Lifetime in
the Prefix Information option. The designated
value of all 1's (0xffffffff) represents
infinity.";
reference
"RFC 4861: Neighbor Discovery for IP version 6
(IPv6) - AdvValidLifetime.";
}
leaf on-link-flag {
type boolean;
default "true";
description
"The value to be placed in the on-link flag
('L-bit') field in the Prefix Information
option.";
reference
"RFC 4861: Neighbor Discovery for IP version 6
(IPv6) - AdvOnLinkFlag.";
}
leaf preferred-lifetime {
type uint32;
units "seconds";
must ". <= ../valid-lifetime" {
description
"This value MUST NOT be greater than
valid-lifetime.";
}
default "604800";
description
"The value to be placed in the Preferred Lifetime
in the Prefix Information option. The designated
value of all 1's (0xffffffff) represents
infinity.";
reference
"RFC 4861: Neighbor Discovery for IP version 6
(IPv6) - AdvPreferredLifetime.";
}
leaf autonomous-flag {
type boolean;
default "true";
description
"The value to be placed in the Autonomous Flag
field in the Prefix Information option.";
reference
"RFC 4861: Neighbor Discovery for IP version 6
(IPv6) - AdvAutonomousFlag.";
}
}
}
}
}
}
}
//NOTE - added same augmentation for operational state
augment "/rt:routing-state/rt:routing-instance/rt:routing-protocols/rt:routing-protocol/rt:static-routes" {
description
"This augment defines the configuration of the 'static'
pseudo-protocol with data specific to IPv6 unicast.";
container ipv6 {
description
"Configuration of a 'static' pseudo-protocol instance
consists of a list of routes.";
list route {
key "id";
ordered-by "user";
description
"A user-ordered list of static routes.";
leaf id {
type uint32 {
//WARNING - range changed from 1..max to be mappable on vpp table ids
range "0..max";
}
description
"Unique numeric identifier of the route.
This value is unrelated to system-assigned 'id'
parameters of routes in RIBs.";
}
leaf description {
type string;
description
"Textual description of the route.";
}
leaf destination-prefix {
type inet:ipv6-prefix;
mandatory "true";
description
"IPv6 destination prefix.";
}
choice next-hop-options {
mandatory "true";
description
"Options for expressing the next-hop in static routes.";
case special-next-hop {
//WARNING - changed, see ietf-routing.yang
uses rt:special-next-hop-grouping;
}
case simple-next-hop {
leaf next-hop {
type inet:ipv6-address;
description
"IPv6 address of the next-hop.";
}
//TODO - temporarily set to absolute path until https://bugs.opendaylight.org/show_bug.cgi?id=6881 is resolved
leaf outgoing-interface {
type leafref {
path "/rt:routing/rt:routing-instance/rt:interfaces/rt:interface/"
+ "rt:name";
}
description
"Name of the outgoing interface.
Only interfaces configured for the ancestor routing
instance can be given.";
}
}
case next-hop-list {
if-feature rt:multipath-routes;
container next-hop-list {
description
"Configuration of multiple next-hops.";
list next-hop {
key "id";
description
"An entry of a next-hop list.";
leaf id {
type uint32;
description
"Unique numeric identifier of the entry.
This value is unrelated to system-assigned 'id'
parameters of next-hops in RIBs.";
}
leaf address {
type inet:ipv6-address;
description
"IPv6 address of the next-hop.";
}
//TODO - temporarily set to absolute path until https://bugs.opendaylight.org/show_bug.cgi?id=6881 is resolved
leaf outgoing-interface {
type leafref {
path "/rt:routing/rt:routing-instance/rt:interfaces/rt:interface/"
+ "rt:name";
}
description
"Name of the outgoing interface.
Only interfaces configured for the ancestor
routing instance can be given.";
}
uses rt:next-hop-classifiers {
refine "priority" {
default "primary";
}
refine "weight" {
default "0";
}
}
}
}
}
}
//TODO modification needed because of yangtools bug(unable to proceed augmentation in separate model of augmentation in this model)
container vpp-ipv6-route-state{
uses vpp-r:vpp-routing-state-attributes;
}
}
}
}
augment "/rt:routing/rt:routing-instance/rt:routing-protocols/rt:routing-protocol/rt:static-routes" {
description
"This augment defines the configuration of the 'static'
pseudo-protocol with data specific to IPv6 unicast.";
container ipv6 {
description
"Configuration of a 'static' pseudo-protocol instance
consists of a list of routes.";
list route {
key "id";
ordered-by "user";
description
"A user-ordered list of static routes.";
leaf id {
type uint32 {
//WARNING - range changed from 1..max to be mappable on vpp table ids
range "0..max";
}
description
"Unique numeric identifier of the route.
This value is unrelated to system-assigned 'id'
parameters of routes in RIBs.";
}
leaf description {
type string;
description
"Textual description of the route.";
}
leaf destination-prefix {
type inet:ipv6-prefix;
mandatory "true";
description
"IPv6 destination prefix.";
}
choice next-hop-options {
mandatory "true";
description
"Options for expressing the next-hop in static routes.";
case special-next-hop {
//WARNING - changed, see ietf-routing.yang
uses rt:special-next-hop-grouping;
}
case simple-next-hop {
leaf next-hop {
type inet:ipv6-address;
description
"IPv6 address of the next-hop.";
}
//TODO - temporarily set to absolute path until https://bugs.opendaylight.org/show_bug.cgi?id=6881 is resolved
leaf outgoing-interface {
type leafref {
path "/rt:routing/rt:routing-instance/rt:interfaces/rt:interface/"
+ "rt:name";
}
description
"Name of the outgoing interface.
Only interfaces configured for the ancestor routing
instance can be given.";
}
}
case next-hop-list {
if-feature rt:multipath-routes;
container next-hop-list {
description
"Configuration of multiple next-hops.";
list next-hop {
key "id";
description
"An entry of a next-hop list.";
leaf id {
type uint32;
description
"Unique numeric identifier of the entry.
This value is unrelated to system-assigned 'id'
parameters of next-hops in RIBs.";
}
leaf address {
type inet:ipv6-address;
description
"IPv6 address of the next-hop.";
}
//TODO - temporarily set to absolute path until https://bugs.opendaylight.org/show_bug.cgi?id=6881 is resolved
leaf outgoing-interface {
type leafref {
path "/rt:routing/rt:routing-instance/rt:interfaces/rt:interface/"
+ "rt:name";
}
description
"Name of the outgoing interface.
Only interfaces configured for the ancestor
routing instance can be given.";
}
uses rt:next-hop-classifiers {
refine "priority" {
default "primary";
}
refine "weight" {
default "0";
}
}
}
}
}
}
//TODO modification needed because of yangtools bug(unable to proceed augmentation in separate model of augmentation in this model)
container vpp-ipv6-route{
uses vpp-r:vpp-routing-attributes;
}
}
}
}
/* RPC methods */
augment "/rt:active-route/rt:input/rt:destination-address" {
when "rt:address-family='v6ur:ipv6-unicast'" {
description
"This augment is valid only for IPv6 unicast.";
}
description
"This leaf augments the 'rt:destination-address' parameter of
the 'rt:active-route' operation.";
leaf address {
type inet:ipv6-address;
description
"IPv6 destination address.";
}
}
augment "/rt:active-route/rt:output/rt:route" {
when "rt:address-family='v6ur:ipv6-unicast'" {
description
"This augment is valid only for IPv6 unicast.";
}
description
"This leaf augments the reply to the 'rt:active-route'
operation.";
leaf destination-prefix {
type inet:ipv6-prefix;
description
"IPv6 destination prefix.";
}
}
augment "/rt:active-route/rt:output/rt:route/rt:next-hop-options/"
+ "rt:simple-next-hop" {
when "rt:address-family='v6ur:ipv6-unicast'" {
description
"This augment is valid only for IPv6 unicast.";
}
description
"This leaf augments the 'simple-next-hop' case in the reply to
the 'rt:active-route' operation.";
leaf next-hop {
type inet:ipv6-address;
description
"IPv6 address of the next-hop.";
}
}
augment "/rt:active-route/rt:output/rt:route/rt:next-hop-options/"
+ "rt:next-hop-list/rt:next-hop-list/rt:next-hop" {
when "../../rt:address-family='v6ur:ipv6-unicast'" {
description
"This augment is valid only for IPv6 unicast.";
}
if-feature rt:multipath-routes;
description
"This leaf augments the 'next-hop-list' case in the reply to
the 'rt:active-route' operation.";
leaf address {
type inet:ipv6-address;
description
"IPv6 address of the next-hop.";
}
}
}
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