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isisd: add segment-routing YANG nodes and skeleton callbacks

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Most definitions were borrowed from the IETF IS-IS SR YANG module,
with a few adaptations. Of particular notice are the following:
* No support for the configuration of multiple SRGBs.
* No distinction between local and connected Prefix-SIDs, both are
  configured the same way.

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
This commit is contained in:
Renato Westphal 2019-08-07 13:35:07 -03:00 committed by Olivier Dugeon
parent 885e241337
commit 7e405d3b19
4 changed files with 358 additions and 0 deletions
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50
isisd/isis_nb.c
View File

@ -454,6 +454,56 @@ const struct frr_yang_module_info frr_isisd_info = {
.modify = isis_instance_mpls_te_router_address_modify,
},
},
{
.xpath = "/frr-isisd:isis/instance/segment-routing/enabled",
.cbs = {
.modify = isis_instance_segment_routing_enabled_modify,
},
},
{
.xpath = "/frr-isisd:isis/instance/segment-routing/srgb/lower-bound",
.cbs = {
.modify = isis_instance_segment_routing_srgb_lower_bound_modify,
},
},
{
.xpath = "/frr-isisd:isis/instance/segment-routing/srgb/upper-bound",
.cbs = {
.modify = isis_instance_segment_routing_srgb_upper_bound_modify,
},
},
{
.xpath = "/frr-isisd:isis/instance/segment-routing/msd/node-msd",
.cbs = {
.modify = isis_instance_segment_routing_msd_node_msd_modify,
.destroy = isis_instance_segment_routing_msd_node_msd_destroy,
},
},
{
.xpath = "/frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid",
.cbs = {
.create = isis_instance_segment_routing_prefix_sid_map_prefix_sid_create,
.destroy = isis_instance_segment_routing_prefix_sid_map_prefix_sid_destroy,
},
},
{
.xpath = "/frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid/sid-value-type",
.cbs = {
.modify = isis_instance_segment_routing_prefix_sid_map_prefix_sid_sid_value_type_modify,
},
},
{
.xpath = "/frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid/sid-value",
.cbs = {
.modify = isis_instance_segment_routing_prefix_sid_map_prefix_sid_sid_value_modify,
},
},
{
.xpath = "/frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid/last-hop-behavior",
.cbs = {
.modify = isis_instance_segment_routing_prefix_sid_map_prefix_sid_last_hop_behavior_modify,
},
},
{
.xpath = "/frr-interface:lib/interface/frr-isisd:isis",
.cbs = {

22
isisd/isis_nb.h
View File

@ -172,6 +172,28 @@ int lib_interface_isis_ipv4_routing_modify(struct nb_cb_modify_args *args);
int lib_interface_isis_ipv6_routing_modify(struct nb_cb_modify_args *args);
int lib_interface_isis_circuit_type_modify(struct nb_cb_modify_args *args);
int lib_interface_isis_bfd_monitoring_modify(struct nb_cb_modify_args *args);
int isis_instance_segment_routing_enabled_modify(
struct nb_cb_modify_args *args);
int isis_instance_segment_routing_enabled_modify(
struct nb_cb_modify_args *args);
int isis_instance_segment_routing_srgb_lower_bound_modify(
struct nb_cb_modify_args *args);
int isis_instance_segment_routing_srgb_upper_bound_modify(
struct nb_cb_modify_args *args);
int isis_instance_segment_routing_msd_node_msd_modify(
struct nb_cb_modify_args *args);
int isis_instance_segment_routing_msd_node_msd_destroy(
struct nb_cb_modify_args *args);
int isis_instance_segment_routing_prefix_sid_map_prefix_sid_create(
struct nb_cb_modify_args *args);
int isis_instance_segment_routing_prefix_sid_map_prefix_sid_destroy(
struct nb_cb_modify_args *args);
int isis_instance_segment_routing_prefix_sid_map_prefix_sid_sid_value_type_modify(
struct nb_cb_modify_args *args);
int isis_instance_segment_routing_prefix_sid_map_prefix_sid_sid_value_modify(
struct nb_cb_modify_args *args);
int isis_instance_segment_routing_prefix_sid_map_prefix_sid_last_hop_behavior_modify(
struct nb_cb_modify_args *args);
int lib_interface_isis_csnp_interval_level_1_modify(
struct nb_cb_modify_args *args);
int lib_interface_isis_csnp_interval_level_2_modify(

185
isisd/isis_nb_config.c
View File

@ -1402,6 +1402,191 @@ int isis_instance_mpls_te_router_address_destroy(
return NB_OK;
}
/*
* XPath: /frr-isisd:isis/instance/segment-routing/enabled
*/
int isis_instance_segment_routing_enabled_modify(enum nb_event event,
const struct lyd_node *dnode,
union nb_resource *resource)
{
switch (event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
case NB_EV_APPLY:
/* TODO: implement me. */
break;
}
return NB_OK;
}
/*
* XPath: /frr-isisd:isis/instance/segment-routing/srgb/lower-bound
*/
int isis_instance_segment_routing_srgb_lower_bound_modify(
enum nb_event event, const struct lyd_node *dnode,
union nb_resource *resource)
{
switch (event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
case NB_EV_APPLY:
/* TODO: implement me. */
break;
}
return NB_OK;
}
/*
* XPath: /frr-isisd:isis/instance/segment-routing/srgb/upper-bound
*/
int isis_instance_segment_routing_srgb_upper_bound_modify(
enum nb_event event, const struct lyd_node *dnode,
union nb_resource *resource)
{
switch (event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
case NB_EV_APPLY:
/* TODO: implement me. */
break;
}
return NB_OK;
}
/*
* XPath: /frr-isisd:isis/instance/segment-routing/msd/node-msd
*/
int isis_instance_segment_routing_msd_node_msd_modify(
enum nb_event event, const struct lyd_node *dnode,
union nb_resource *resource)
{
switch (event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
case NB_EV_APPLY:
/* TODO: implement me. */
break;
}
return NB_OK;
}
int isis_instance_segment_routing_msd_node_msd_destroy(
enum nb_event event, const struct lyd_node *dnode)
{
switch (event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
case NB_EV_APPLY:
/* TODO: implement me. */
break;
}
return NB_OK;
}
/*
* XPath: /frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid
*/
int isis_instance_segment_routing_prefix_sid_map_prefix_sid_create(
enum nb_event event, const struct lyd_node *dnode,
union nb_resource *resource)
{
switch (event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
case NB_EV_APPLY:
/* TODO: implement me. */
break;
}
return NB_OK;
}
int isis_instance_segment_routing_prefix_sid_map_prefix_sid_destroy(
enum nb_event event, const struct lyd_node *dnode)
{
switch (event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
case NB_EV_APPLY:
/* TODO: implement me. */
break;
}
return NB_OK;
}
/*
* XPath:
* /frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid/sid-value-type
*/
int isis_instance_segment_routing_prefix_sid_map_prefix_sid_sid_value_type_modify(
enum nb_event event, const struct lyd_node *dnode,
union nb_resource *resource)
{
switch (event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
case NB_EV_APPLY:
/* TODO: implement me. */
break;
}
return NB_OK;
}
/*
* XPath:
* /frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid/sid-value
*/
int isis_instance_segment_routing_prefix_sid_map_prefix_sid_sid_value_modify(
enum nb_event event, const struct lyd_node *dnode,
union nb_resource *resource)
{
switch (event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
case NB_EV_APPLY:
/* TODO: implement me. */
break;
}
return NB_OK;
}
/*
* XPath:
* /frr-isisd:isis/instance/segment-routing/prefix-sid-map/prefix-sid/last-hop-behavior
*/
int isis_instance_segment_routing_prefix_sid_map_prefix_sid_last_hop_behavior_modify(
enum nb_event event, const struct lyd_node *dnode,
union nb_resource *resource)
{
switch (event) {
case NB_EV_VALIDATE:
case NB_EV_PREPARE:
case NB_EV_ABORT:
case NB_EV_APPLY:
/* TODO: implement me. */
break;
}
return NB_OK;
}
/*
* XPath: /frr-interface:lib/interface/frr-isisd:isis
*/

101
yang/frr-isisd.yang
View File

@ -1161,6 +1161,107 @@ module frr-isisd {
"Stable IP address of the advertising router.";
}
}
container segment-routing {
description
"Segment Routing global configuration.";
leaf enabled {
type boolean;
default "false";
description
"Enables segment-routing protocol extensions.";
}
container srgb {
description
"Global blocks to be advertised.";
must "./upper-bound > ./lower-bound";
leaf lower-bound {
type uint32;
default "16000";
description
"Lower value in the label range.";
}
leaf upper-bound {
type uint32;
default "23999";
description
"Upper value in the label range.";
}
}
container msd {
description
"MSD configuration.";
leaf node-msd {
type uint8;
description
"Node MSD is the lowest MSD supported by the node.";
}
}
container prefix-sid-map {
description
"Prefix SID configuration.";
list prefix-sid {
key "prefix";
unique "sid-value-type sid-value";
description
"List of prefix SID mapped to IPv4/IPv6
local prefixes.";
leaf prefix {
type inet:ip-prefix;
description
"Connected prefix sid.";
}
leaf sid-value-type {
type enumeration {
enum "index" {
value 0;
description
"The value will be interpreted as an index.";
}
enum "absolute" {
value 1;
description
"The value will become interpreted as an absolute
value.";
}
}
default "index";
description
"This leaf defines how value must be interpreted.";
}
leaf sid-value {
type uint32;
mandatory true;
description
"Value associated with prefix. The value must be
interpreted in the context of sid-value-type.";
}
leaf last-hop-behavior {
type enumeration {
enum "explicit-null" {
value 0;
description
"Use explicit-null for the SID.";
}
enum "no-php" {
value 1;
description
"Do not use Penultimate Hop Popping (PHP)
for the SID.";
}
enum "php" {
value 2;
description
"Use PHP for the SID.";
}
}
default "php";
description
"Configure last hop behavior.";
}
}
}
}
}
}