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staticd: Add nb callbacks to configure an interface for SRv6 uA behavior

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An SRv6 uA SID is associated with the interface and (optionally) the
IPv6 address of the nexthop.

This commit adds the modify and destroy nortbound callbacks required to
set the interface.

Signed-off-by: Carmine Scarpitta <cscarpit@cisco.com>
This commit is contained in:
Carmine Scarpitta 2025-02-13 10:59:13 +01:00
parent 99742410bf
commit 7438a94eeb
3 changed files with 81 additions and 0 deletions
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14
staticd/static_nb.c
View file

@ -156,6 +156,20 @@ const struct frr_yang_module_info frr_staticd_info = {
.destroy = routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_vrf_name_destroy, .destroy = routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_vrf_name_destroy,
} }
}, },
{
.xpath = "/frr-routing:routing/control-plane-protocols/control-plane-protocol/frr-staticd:staticd/segment-routing/srv6/static-sids/sid/paths",
.cbs = {
.create = routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_paths_create,
.destroy = routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_paths_destroy,
}
},
{
.xpath = "/frr-routing:routing/control-plane-protocols/control-plane-protocol/frr-staticd:staticd/segment-routing/srv6/static-sids/sid/paths/interface",
.cbs = {
.modify = routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_paths_interface_modify,
.destroy = routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_paths_interface_destroy,
}
},
{ {
.xpath = "/frr-routing:routing/control-plane-protocols/control-plane-protocol/frr-staticd:staticd/segment-routing/srv6/static-sids/sid/locator-name", .xpath = "/frr-routing:routing/control-plane-protocols/control-plane-protocol/frr-staticd:staticd/segment-routing/srv6/static-sids/sid/locator-name",
.cbs = { .cbs = {

12
staticd/static_nb.h
View file

@ -96,6 +96,14 @@ int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routi
struct nb_cb_modify_args *args); struct nb_cb_modify_args *args);
int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_vrf_name_destroy( int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_vrf_name_destroy(
struct nb_cb_destroy_args *args); struct nb_cb_destroy_args *args);
int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_paths_create(
struct nb_cb_create_args *args);
int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_paths_destroy(
struct nb_cb_destroy_args *args);
int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_paths_interface_modify(
struct nb_cb_modify_args *args);
int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_paths_interface_destroy(
struct nb_cb_destroy_args *args);
int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_locator_name_modify( int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_locator_name_modify(
struct nb_cb_modify_args *args); struct nb_cb_modify_args *args);
int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_locator_name_destroy( int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_locator_name_destroy(
@ -183,6 +191,10 @@ int routing_control_plane_protocols_name_validate(
#define FRR_STATIC_SRV6_SID_LOCATOR_NAME_XPATH "/locator-name" #define FRR_STATIC_SRV6_SID_LOCATOR_NAME_XPATH "/locator-name"
#define FRR_STATIC_SRV6_SID_INTERFACE_XPATH "/paths[path-index=%u]/interface"
#define FRR_STATIC_SRV6_SID_NEXTHOP_XPATH "/next-hop"
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

55
staticd/static_nb_config.c
View file

@ -1229,6 +1229,61 @@ int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routi
return NB_OK; return NB_OK;
} }
/*
* XPath:
* /frr-routing:routing/control-plane-protocols/control-plane-protocol/frr-staticd:staticd/segment-routing/srv6/locators/locator/static-sids/sid/paths
*/
int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_paths_create(
struct nb_cb_create_args *args)
{
/* Actual setting is done in apply_finish */
return NB_OK;
}
int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_paths_destroy(
struct nb_cb_destroy_args *args)
{
return NB_OK;
}
/*
* XPath:
* /frr-routing:routing/control-plane-protocols/control-plane-protocol/frr-staticd:staticd/segment-routing/srv6/locators/locator/static-sids/sid/paths/interface
*/
int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_paths_interface_modify(
struct nb_cb_modify_args *args)
{
struct static_srv6_sid *sid;
const char *ifname;
if (args->event != NB_EV_APPLY)
return NB_OK;
sid = nb_running_get_entry(args->dnode, NULL, true);
/* Release and uninstall existing SID, if any, before requesting the new one */
if (CHECK_FLAG(sid->flags, STATIC_FLAG_SRV6_SID_VALID)) {
static_zebra_release_srv6_sid(sid);
UNSET_FLAG(sid->flags, STATIC_FLAG_SRV6_SID_VALID);
}
if (CHECK_FLAG(sid->flags, STATIC_FLAG_SRV6_SID_SENT_TO_ZEBRA)) {
static_zebra_srv6_sid_uninstall(sid);
UNSET_FLAG(sid->flags, STATIC_FLAG_SRV6_SID_SENT_TO_ZEBRA);
}
ifname = yang_dnode_get_string(args->dnode, "../interface");
snprintf(sid->attributes.ifname, sizeof(sid->attributes.ifname), "%s", ifname);
return NB_OK;
}
int routing_control_plane_protocols_control_plane_protocol_staticd_segment_routing_srv6_local_sids_sid_paths_interface_destroy(
struct nb_cb_destroy_args *args)
{
return NB_OK;
}
/* /*
* XPath: * XPath:
* /frr-routing:routing/control-plane-protocols/control-plane-protocol/frr-staticd:staticd/segment-routing/srv6/locators/locator/static-sids/sid/vrf-name * /frr-routing:routing/control-plane-protocols/control-plane-protocol/frr-staticd:staticd/segment-routing/srv6/locators/locator/static-sids/sid/vrf-name