isisd: split northbound callbacks into multiple files

Rearrange the isisd northbound callbacks as following:
* isis_nb.h: prototypes of all northbound callbacks.
* isis_nb.c: definition of all northbound callbacks and their
  associated YANG data paths.
* isis_nb_config.c: implementation of YANG configuration nodes.
* isis_nb_state.c: implementation of YANG state nodes.
* isis_nb_notifications.c: implementation of YANG notifications.

This should help to keep to code more organized and easier to
maintain.

No behavior changes intended.

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>

1 files changed, 815 insertions, 0 deletions

diff --git a/isisd/isis_nb.c b/isisd/isis_nb.c
new file mode 100644
index 000000000..d84e53324
--- /dev/null
+++ b/isisd/isis_nb.c
@@ -0,0 +1,815 @@
+/*
+ * Copyright (C) 2018        Volta Networks
+ *                           Emanuele Di Pascale
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <zebra.h>
+
+#include "northbound.h"
+#include "libfrr.h"
+
+#include "isisd/isis_nb.h"
+
+/* clang-format off */
+const struct frr_yang_module_info frr_isisd_info = {
+	.name = "frr-isisd",
+	.nodes = {
+		{
+			.xpath = "/frr-isisd:isis/instance",
+			.cbs = {
+				.cli_show = cli_show_router_isis,
+				.create = isis_instance_create,
+				.destroy = isis_instance_destroy,
+			},
+			.priority = NB_DFLT_PRIORITY - 1,
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/is-type",
+			.cbs = {
+				.cli_show = cli_show_isis_is_type,
+				.modify = isis_instance_is_type_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/area-address",
+			.cbs = {
+				.cli_show = cli_show_isis_area_address,
+				.create = isis_instance_area_address_create,
+				.destroy = isis_instance_area_address_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/dynamic-hostname",
+			.cbs = {
+				.cli_show = cli_show_isis_dynamic_hostname,
+				.modify = isis_instance_dynamic_hostname_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/attached",
+			.cbs = {
+				.cli_show = cli_show_isis_attached,
+				.modify = isis_instance_attached_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/overload",
+			.cbs = {
+				.cli_show = cli_show_isis_overload,
+				.modify = isis_instance_overload_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/metric-style",
+			.cbs = {
+				.cli_show = cli_show_isis_metric_style,
+				.modify = isis_instance_metric_style_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/purge-originator",
+			.cbs = {
+				.cli_show = cli_show_isis_purge_origin,
+				.modify = isis_instance_purge_originator_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/lsp/mtu",
+			.cbs = {
+				.cli_show = cli_show_isis_lsp_mtu,
+				.modify = isis_instance_lsp_mtu_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/lsp/refresh-interval",
+			.cbs = {
+				.cli_show = cli_show_isis_lsp_ref_interval,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/lsp/refresh-interval/level-1",
+			.cbs = {
+				.modify = isis_instance_lsp_refresh_interval_level_1_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/lsp/refresh-interval/level-2",
+			.cbs = {
+				.modify = isis_instance_lsp_refresh_interval_level_2_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/lsp/maximum-lifetime",
+			.cbs = {
+				.cli_show = cli_show_isis_lsp_max_lifetime,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/lsp/maximum-lifetime/level-1",
+			.cbs = {
+				.modify = isis_instance_lsp_maximum_lifetime_level_1_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/lsp/maximum-lifetime/level-2",
+			.cbs = {
+				.modify = isis_instance_lsp_maximum_lifetime_level_2_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/lsp/generation-interval",
+			.cbs = {
+				.cli_show = cli_show_isis_lsp_gen_interval,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/lsp/generation-interval/level-1",
+			.cbs = {
+				.modify = isis_instance_lsp_generation_interval_level_1_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/lsp/generation-interval/level-2",
+			.cbs = {
+				.modify = isis_instance_lsp_generation_interval_level_2_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/spf/ietf-backoff-delay",
+			.cbs = {
+				.apply_finish = ietf_backoff_delay_apply_finish,
+				.cli_show = cli_show_isis_spf_ietf_backoff,
+				.create = isis_instance_spf_ietf_backoff_delay_create,
+				.destroy = isis_instance_spf_ietf_backoff_delay_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/spf/ietf-backoff-delay/init-delay",
+			.cbs = {
+				.modify = isis_instance_spf_ietf_backoff_delay_init_delay_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/spf/ietf-backoff-delay/short-delay",
+			.cbs = {
+				.modify = isis_instance_spf_ietf_backoff_delay_short_delay_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/spf/ietf-backoff-delay/long-delay",
+			.cbs = {
+				.modify = isis_instance_spf_ietf_backoff_delay_long_delay_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/spf/ietf-backoff-delay/hold-down",
+			.cbs = {
+				.modify = isis_instance_spf_ietf_backoff_delay_hold_down_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/spf/ietf-backoff-delay/time-to-learn",
+			.cbs = {
+				.modify = isis_instance_spf_ietf_backoff_delay_time_to_learn_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/spf/minimum-interval",
+			.cbs = {
+				.cli_show = cli_show_isis_spf_min_interval,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/spf/minimum-interval/level-1",
+			.cbs = {
+				.modify = isis_instance_spf_minimum_interval_level_1_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/spf/minimum-interval/level-2",
+			.cbs = {
+				.modify = isis_instance_spf_minimum_interval_level_2_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/area-password",
+			.cbs = {
+				.apply_finish = area_password_apply_finish,
+				.cli_show = cli_show_isis_area_pwd,
+				.create = isis_instance_area_password_create,
+				.destroy = isis_instance_area_password_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/area-password/password",
+			.cbs = {
+				.modify = isis_instance_area_password_password_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/area-password/password-type",
+			.cbs = {
+				.modify = isis_instance_area_password_password_type_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/area-password/authenticate-snp",
+			.cbs = {
+				.modify = isis_instance_area_password_authenticate_snp_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/domain-password",
+			.cbs = {
+				.apply_finish = domain_password_apply_finish,
+				.cli_show = cli_show_isis_domain_pwd,
+				.create = isis_instance_domain_password_create,
+				.destroy = isis_instance_domain_password_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/domain-password/password",
+			.cbs = {
+				.modify = isis_instance_domain_password_password_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/domain-password/password-type",
+			.cbs = {
+				.modify = isis_instance_domain_password_password_type_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/domain-password/authenticate-snp",
+			.cbs = {
+				.modify = isis_instance_domain_password_authenticate_snp_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/default-information-originate/ipv4",
+			.cbs = {
+				.apply_finish = default_info_origin_ipv4_apply_finish,
+				.cli_show = cli_show_isis_def_origin_ipv4,
+				.create = isis_instance_default_information_originate_ipv4_create,
+				.destroy = isis_instance_default_information_originate_ipv4_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/default-information-originate/ipv4/always",
+			.cbs = {
+				.modify = isis_instance_default_information_originate_ipv4_always_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/default-information-originate/ipv4/route-map",
+			.cbs = {
+				.destroy = isis_instance_default_information_originate_ipv4_route_map_destroy,
+				.modify = isis_instance_default_information_originate_ipv4_route_map_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/default-information-originate/ipv4/metric",
+			.cbs = {
+				.modify = isis_instance_default_information_originate_ipv4_metric_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/default-information-originate/ipv6",
+			.cbs = {
+				.apply_finish = default_info_origin_ipv6_apply_finish,
+				.cli_show = cli_show_isis_def_origin_ipv6,
+				.create = isis_instance_default_information_originate_ipv6_create,
+				.destroy = isis_instance_default_information_originate_ipv6_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/default-information-originate/ipv6/always",
+			.cbs = {
+				.modify = isis_instance_default_information_originate_ipv6_always_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/default-information-originate/ipv6/route-map",
+			.cbs = {
+				.destroy = isis_instance_default_information_originate_ipv6_route_map_destroy,
+				.modify = isis_instance_default_information_originate_ipv6_route_map_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/default-information-originate/ipv6/metric",
+			.cbs = {
+				.modify = isis_instance_default_information_originate_ipv6_metric_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/redistribute/ipv4",
+			.cbs = {
+				.apply_finish = redistribute_ipv4_apply_finish,
+				.cli_show = cli_show_isis_redistribute_ipv4,
+				.create = isis_instance_redistribute_ipv4_create,
+				.destroy = isis_instance_redistribute_ipv4_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/redistribute/ipv4/route-map",
+			.cbs = {
+				.destroy = isis_instance_redistribute_ipv4_route_map_destroy,
+				.modify = isis_instance_redistribute_ipv4_route_map_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/redistribute/ipv4/metric",
+			.cbs = {
+				.modify = isis_instance_redistribute_ipv4_metric_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/redistribute/ipv6",
+			.cbs = {
+				.apply_finish = redistribute_ipv6_apply_finish,
+				.cli_show = cli_show_isis_redistribute_ipv6,
+				.create = isis_instance_redistribute_ipv6_create,
+				.destroy = isis_instance_redistribute_ipv6_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/redistribute/ipv6/route-map",
+			.cbs = {
+				.destroy = isis_instance_redistribute_ipv6_route_map_destroy,
+				.modify = isis_instance_redistribute_ipv6_route_map_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/redistribute/ipv6/metric",
+			.cbs = {
+				.modify = isis_instance_redistribute_ipv6_metric_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/multi-topology/ipv4-multicast",
+			.cbs = {
+				.cli_show = cli_show_isis_mt_ipv4_multicast,
+				.create = isis_instance_multi_topology_ipv4_multicast_create,
+				.destroy = isis_instance_multi_topology_ipv4_multicast_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/multi-topology/ipv4-multicast/overload",
+			.cbs = {
+				.modify = isis_instance_multi_topology_ipv4_multicast_overload_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/multi-topology/ipv4-management",
+			.cbs = {
+				.cli_show = cli_show_isis_mt_ipv4_mgmt,
+				.create = isis_instance_multi_topology_ipv4_management_create,
+				.destroy = isis_instance_multi_topology_ipv4_management_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/multi-topology/ipv4-management/overload",
+			.cbs = {
+				.modify = isis_instance_multi_topology_ipv4_management_overload_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/multi-topology/ipv6-unicast",
+			.cbs = {
+				.cli_show = cli_show_isis_mt_ipv6_unicast,
+				.create = isis_instance_multi_topology_ipv6_unicast_create,
+				.destroy = isis_instance_multi_topology_ipv6_unicast_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/multi-topology/ipv6-unicast/overload",
+			.cbs = {
+				.modify = isis_instance_multi_topology_ipv6_unicast_overload_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/multi-topology/ipv6-multicast",
+			.cbs = {
+				.cli_show = cli_show_isis_mt_ipv6_multicast,
+				.create = isis_instance_multi_topology_ipv6_multicast_create,
+				.destroy = isis_instance_multi_topology_ipv6_multicast_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/multi-topology/ipv6-multicast/overload",
+			.cbs = {
+				.modify = isis_instance_multi_topology_ipv6_multicast_overload_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/multi-topology/ipv6-management",
+			.cbs = {
+				.cli_show = cli_show_isis_mt_ipv6_mgmt,
+				.create = isis_instance_multi_topology_ipv6_management_create,
+				.destroy = isis_instance_multi_topology_ipv6_management_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/multi-topology/ipv6-management/overload",
+			.cbs = {
+				.modify = isis_instance_multi_topology_ipv6_management_overload_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/multi-topology/ipv6-dstsrc",
+			.cbs = {
+				.cli_show = cli_show_isis_mt_ipv6_dstsrc,
+				.create = isis_instance_multi_topology_ipv6_dstsrc_create,
+				.destroy = isis_instance_multi_topology_ipv6_dstsrc_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/multi-topology/ipv6-dstsrc/overload",
+			.cbs = {
+				.modify = isis_instance_multi_topology_ipv6_dstsrc_overload_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/log-adjacency-changes",
+			.cbs = {
+				.cli_show = cli_show_isis_log_adjacency,
+				.modify = isis_instance_log_adjacency_changes_modify,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/mpls-te",
+			.cbs = {
+				.cli_show = cli_show_isis_mpls_te,
+				.create = isis_instance_mpls_te_create,
+				.destroy = isis_instance_mpls_te_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-isisd:isis/instance/mpls-te/router-address",
+			.cbs = {
+				.cli_show = cli_show_isis_mpls_te_router_addr,
+				.destroy = isis_instance_mpls_te_router_address_destroy,
+				.modify = isis_instance_mpls_te_router_address_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis",
+			.cbs = {
+				.create = lib_interface_isis_create,
+				.destroy = lib_interface_isis_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/area-tag",
+			.cbs = {
+				.modify = lib_interface_isis_area_tag_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/circuit-type",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_circ_type,
+				.modify = lib_interface_isis_circuit_type_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/ipv4-routing",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_ipv4,
+				.modify = lib_interface_isis_ipv4_routing_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/ipv6-routing",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_ipv6,
+				.modify = lib_interface_isis_ipv6_routing_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/bfd-monitoring",
+			.cbs = {
+				.modify = lib_interface_isis_bfd_monitoring_modify,
+				.cli_show = cli_show_ip_isis_bfd_monitoring,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/csnp-interval",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_csnp_interval,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/csnp-interval/level-1",
+			.cbs = {
+				.modify = lib_interface_isis_csnp_interval_level_1_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/csnp-interval/level-2",
+			.cbs = {
+				.modify = lib_interface_isis_csnp_interval_level_2_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/psnp-interval",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_psnp_interval,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/psnp-interval/level-1",
+			.cbs = {
+				.modify = lib_interface_isis_psnp_interval_level_1_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/psnp-interval/level-2",
+			.cbs = {
+				.modify = lib_interface_isis_psnp_interval_level_2_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/hello/padding",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_hello_padding,
+				.modify = lib_interface_isis_hello_padding_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/hello/interval",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_hello_interval,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/hello/interval/level-1",
+			.cbs = {
+				.modify = lib_interface_isis_hello_interval_level_1_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/hello/interval/level-2",
+			.cbs = {
+				.modify = lib_interface_isis_hello_interval_level_2_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/hello/multiplier",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_hello_multi,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/hello/multiplier/level-1",
+			.cbs = {
+				.modify = lib_interface_isis_hello_multiplier_level_1_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/hello/multiplier/level-2",
+			.cbs = {
+				.modify = lib_interface_isis_hello_multiplier_level_2_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/metric",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_metric,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/metric/level-1",
+			.cbs = {
+				.modify = lib_interface_isis_metric_level_1_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/metric/level-2",
+			.cbs = {
+				.modify = lib_interface_isis_metric_level_2_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/priority",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_priority,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/priority/level-1",
+			.cbs = {
+				.modify = lib_interface_isis_priority_level_1_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/priority/level-2",
+			.cbs = {
+				.modify = lib_interface_isis_priority_level_2_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/network-type",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_network_type,
+				.modify = lib_interface_isis_network_type_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/passive",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_passive,
+				.modify = lib_interface_isis_passive_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/password",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_password,
+				.create = lib_interface_isis_password_create,
+				.destroy = lib_interface_isis_password_destroy,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/password/password",
+			.cbs = {
+				.modify = lib_interface_isis_password_password_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/password/password-type",
+			.cbs = {
+				.modify = lib_interface_isis_password_password_type_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/disable-three-way-handshake",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_threeway_shake,
+				.modify = lib_interface_isis_disable_three_way_handshake_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv4-unicast",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_mt_ipv4_unicast,
+				.modify = lib_interface_isis_multi_topology_ipv4_unicast_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv4-multicast",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_mt_ipv4_multicast,
+				.modify = lib_interface_isis_multi_topology_ipv4_multicast_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv4-management",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_mt_ipv4_mgmt,
+				.modify = lib_interface_isis_multi_topology_ipv4_management_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv6-unicast",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_mt_ipv6_unicast,
+				.modify = lib_interface_isis_multi_topology_ipv6_unicast_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv6-multicast",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_mt_ipv6_multicast,
+				.modify = lib_interface_isis_multi_topology_ipv6_multicast_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv6-management",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_mt_ipv6_mgmt,
+				.modify = lib_interface_isis_multi_topology_ipv6_management_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/multi-topology/ipv6-dstsrc",
+			.cbs = {
+				.cli_show = cli_show_ip_isis_mt_ipv6_dstsrc,
+				.modify = lib_interface_isis_multi_topology_ipv6_dstsrc_modify,
+			},
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/adjacencies/adjacency",
+			.cbs = {
+				.get_next = lib_interface_isis_adjacencies_adjacency_get_next,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/adjacencies/adjacency/neighbor-sys-type",
+			.cbs = {
+				.get_elem = lib_interface_isis_adjacencies_adjacency_neighbor_sys_type_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/adjacencies/adjacency/neighbor-sysid",
+			.cbs = {
+				.get_elem = lib_interface_isis_adjacencies_adjacency_neighbor_sysid_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/adjacencies/adjacency/neighbor-extended-circuit-id",
+			.cbs = {
+				.get_elem = lib_interface_isis_adjacencies_adjacency_neighbor_extended_circuit_id_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/adjacencies/adjacency/neighbor-snpa",
+			.cbs = {
+				.get_elem = lib_interface_isis_adjacencies_adjacency_neighbor_snpa_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/adjacencies/adjacency/hold-timer",
+			.cbs = {
+				.get_elem = lib_interface_isis_adjacencies_adjacency_hold_timer_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/adjacencies/adjacency/neighbor-priority",
+			.cbs = {
+				.get_elem = lib_interface_isis_adjacencies_adjacency_neighbor_priority_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/adjacencies/adjacency/state",
+			.cbs = {
+				.get_elem = lib_interface_isis_adjacencies_adjacency_state_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/adjacency-changes",
+			.cbs = {
+				.get_elem = lib_interface_isis_event_counters_adjacency_changes_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/adjacency-number",
+			.cbs = {
+				.get_elem = lib_interface_isis_event_counters_adjacency_number_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/init-fails",
+			.cbs = {
+				.get_elem = lib_interface_isis_event_counters_init_fails_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/adjacency-rejects",
+			.cbs = {
+				.get_elem = lib_interface_isis_event_counters_adjacency_rejects_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/id-len-mismatch",
+			.cbs = {
+				.get_elem = lib_interface_isis_event_counters_id_len_mismatch_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/max-area-addresses-mismatch",
+			.cbs = {
+				.get_elem = lib_interface_isis_event_counters_max_area_addresses_mismatch_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/authentication-type-fails",
+			.cbs = {
+				.get_elem = lib_interface_isis_event_counters_authentication_type_fails_get_elem,
+			}
+		},
+		{
+			.xpath = "/frr-interface:lib/interface/frr-isisd:isis/event-counters/authentication-fails",
+			.cbs = {
+				.get_elem = lib_interface_isis_event_counters_authentication_fails_get_elem,
+			}
+		},
+		{
+			.xpath = NULL,
+		},
+	}
+};