module hc2vpp-ietf-mpls-static {
namespace "urn:ietf:params:xml:ns:yang:ietf-mpls-static";
prefix "mpls-static";
import hc2vpp-ietf-mpls {
prefix mpls;
}
/*
TODO: HC2VPP-307 - Remove workarounds for ODL bugs from ietf-mpls YANG.
*/
/*
TODO: changed to modified version of ietf-routing that we use
Set back to ietf-routing after HC2VPP-298 is resolved.
*/
import hc2vpp-ietf-routing {
prefix "rt";
}
import ietf-routing-types {
prefix "rt-types";
}
import ietf-inet-types {
prefix inet;
}
import ietf-interfaces {
prefix "if";
}
/* Import TE generic types */
/*
Yangtools has some issues with ietf-te model.
There is no plan to support tunnels currently, so we simply comment this out.
TODO: remove comment after following issues are resolved:
https://jira.opendaylight.org/browse/MDSAL-182
https://jira.opendaylight.org/browse/YANGTOOLS-677
import ietf-te {
prefix te;
}
*/
organization "IETF MPLS Working Group";
contact
"WG Web:
WG List:
WG Chair: Loa Andersson
WG Chair: Ross Callon
WG Chair: George Swallow
Editor: Tarek Saad
Editor: Kamran Raza
Editor: Rakesh Gandhi
Editor: Xufeng Liu
Editor: Vishnu Pavan Beeram
Editor: Himanshu Shah
Editor: Igor Bryskin
Editor: Xia Chen
Editor: Raqib Jones
Editor: Bin Wen
";
description
"This YANG module augments the 'ietf-routing' module with basic
configuration and operational state data for MPLS static";
/*
TODO: 2017-07-02 defines grouping in-segment but does not use it.
Bump to newer version after HC2VPP-306 is resolved.
*/
revision "2017-07-02" {
description
"Latest revision:
- Addressed MPLS-RT review comments";
reference "RFC 3031: A YANG Data Model for Static MPLS LSPs";
}
typedef static-lsp-ref {
type leafref {
path "/rt:routing/mpls:mpls/mpls-static:static-lsps/" +
"mpls-static:static-lsp/mpls-static:name";
}
description
"This type is used by data models that need to reference
configured static LSP.";
}
typedef mpls-operations-type {
type enumeration {
enum impose-and-forward {
description
"Operation impose outgoing label(s) and forward to
next-hop";
}
enum pop-and-forward {
description
"Operation pop incoming label and forward to next-hop";
}
enum pop-impose-and-forward {
description
"Operation pop incoming label, impose one or more
outgoing label(s) and forward to next-hop";
}
enum swap-and-forward {
description
"Operation swap incoming label, with outgoing label and
forward to next-hop";
}
enum pop-and-lookup {
description
"Operation pop incoming label and perform a lookup";
}
}
description "MPLS operations types";
}
grouping path-basic_config {
description "common definitions for statics";
leaf next-hop {
type inet:ip-address;
description "next hop IP address for the LSP";
}
leaf outgoing-label {
type rt-types:mpls-label;
description
"label value to push at the current hop for the
LSP";
}
leaf outgoing-interface {
type if:interface-ref;
description
"The outgoing interface";
}
}
grouping path-outgoing-labels_config {
description "Path outgoing labels grouping";
leaf index {
type uint8 {
range "0..255";
}
description
"Index of the label. Index 0 indicates
top of the label stack";
}
leaf label {
type rt-types:mpls-label;
description
"The outgoing MPLS labels to impose";
}
}
grouping path-outgoing-labels {
description "Path outgoing labels grouping";
container outgoing-labels {
description "List of outgoing labels";
list outgoing-labels {
key "index";
description "Outgoing label list";
leaf index {
type leafref {
path "../config/index";
}
description
"Index of the label. Index 0 indicates
top of the label stack";
}
container config {
description
"Configuration intended parameters";
uses path-outgoing-labels_config;
}
container state {
config false;
description
"Configuration applied parameters and state";
uses path-outgoing-labels_config;
}
}
}
}
grouping path-properties_config {
description
"MPLS path properties";
leaf path-index {
type uint16;
description
"Path identifier";
}
leaf backup-path-index {
type uint16;
description
"Backup path identifier";
}
leaf next-hop {
type inet:ip-address;
description
"The address of the next-hop";
}
leaf outgoing-interface {
type if:interface-ref;
description
"The outgoing interface";
}
leaf loadshare {
type uint16;
description
"This value is used to compute a loadshare to perform un-equal
load balancing when multiple outgoing path(s) are specified. A
share is computed as a ratio of this number to the total under
all configured path(s).";
}
leaf role {
type enumeration {
enum PRIMARY {
description
"Path as primary traffic carrying";
}
enum BACKUP {
description
"Path acts as backup";
}
enum PRIMARY_AND_BACKUP {
description
"Path acts as primary and backup simultaneously";
}
}
description
"The MPLS path role";
}
}
grouping static-lsp-paths {
description "Static LSP path grouping";
choice out-segment {
description "The MPLS out-segment type choice";
case simple-path {
container simple-path {
description "Simple path container";
container config {
description
"Holds the intended configuration";
uses path-basic_config;
}
container state {
config false;
description
"Holds the state and inuse configuration";
uses path-basic_config;
}
}
}
case multiple-paths {
container paths {
description "List of outgoing paths";
list path {
key path-index;
description
"The list of MPLS paths associated with the FEC";
leaf path-index {
type leafref {
path "../config/path-index";
}
description "Index of the path";
}
container config {
description
"Holds the intended configuration";
uses path-properties_config;
}
container state {
config false;
description
"Holds the state and inuse configuration";
uses path-properties_config;
}
}
uses path-outgoing-labels;
}
}
}
}
grouping in-segment_config {
description "In-segment grouping";
choice type {
description
"Basic FEC choice";
case ip-prefix {
leaf ip-prefix {
type inet:ip-prefix;
description "An IP prefix";
}
}
case mpls-label {
leaf incoming-label {
type rt-types:mpls-label;
description "label value on the incoming packet";
}
}
/* Import TE generic types */
/*
Yangtools has some issues with ietf-te model.
There is no plan to support tunnels currently, so we simply comment this out.
TODO: remove comment after following issues are resolved:
https://jira.opendaylight.org/browse/MDSAL-182
https://jira.opendaylight.org/browse/YANGTOOLS-677
case tunnel {
leaf tunnel {
type te:tunnel-ref;
description "TE tunnel FEC mapping";
}
}
*/
}
leaf incoming-interface {
type if:interface-ref;
description
"Optional incoming interface if FEC is restricted
to traffic incoming on a specific interface";
}
}
grouping in-segment {
description "In-segment grouping";
container in-segment {
description
"MPLS incoming segment";
container config {
description
"Holds the intended configuration";
uses in-segment_config;
}
container state {
config false;
description
"Holds the state and inuse configuration";
uses in-segment_config;
}
}
}
grouping static-lsp-top_config {
description "Static LSP configuration grouping";
/*
TODO: 2017-07-02 defines grouping in-segment but was not used - HC2VPP-306.
Added it here as it was in static-lsp-config in 2017-03-10 revision.
This will probably be fixed in next version of this model.
*/
uses in-segment;
leaf name {
type string;
description "name to identify the LSP";
}
leaf operation {
type mpls-operations-type;
description
"The MPLS operation to be executed on the incoming packet";
}
}
grouping static-lsp-top {
description "common definitions for static LSPs";
container config {
description
"Holds the intended configuration";
uses static-lsp-top_config;
}
container state {
config false;
description
"Holds the state and inuse configuration";
uses static-lsp-top_config;
}
}
augment "/rt:routing/mpls:mpls" {
description "Augmentations for MPLS Static LSPs";
container static-lsps {
description
"Statically configured LSPs, without dynamic signaling";
list static-lsp {
key name;
description "list of defined static LSPs";
leaf name {
type leafref {
path "../config/name";
}
description "name to identify the LSP";
}
uses static-lsp-top;
uses static-lsp-paths;
}
}
}
}