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, 548 insertions, 0 deletions

diff --git a/isisd/isis_nb.h b/isisd/isis_nb.h
new file mode 100644
index 0000000000..29a2ded0de
--- /dev/null
+++ b/isisd/isis_nb.h
@@ -0,0 +1,548 @@
+/*
+ * 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
+ */
+
+#ifndef ISISD_ISIS_NB_H_
+#define ISISD_ISIS_NB_H_
+
+extern const struct frr_yang_module_info frr_isisd_info;
+
+/* Forward declaration(s). */
+struct isis_area;
+struct isis_circuit;
+struct isis_adjacency;
+
+/* Mandatory callbacks. */
+int isis_instance_create(enum nb_event event, const struct lyd_node *dnode,
+			 union nb_resource *resource);
+int isis_instance_destroy(enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_is_type_modify(enum nb_event event,
+				 const struct lyd_node *dnode,
+				 union nb_resource *resource);
+int isis_instance_area_address_create(enum nb_event event,
+				      const struct lyd_node *dnode,
+				      union nb_resource *resource);
+int isis_instance_area_address_destroy(enum nb_event event,
+				       const struct lyd_node *dnode);
+int isis_instance_dynamic_hostname_modify(enum nb_event event,
+					  const struct lyd_node *dnode,
+					  union nb_resource *resource);
+int isis_instance_attached_modify(enum nb_event event,
+				  const struct lyd_node *dnode,
+				  union nb_resource *resource);
+int isis_instance_overload_modify(enum nb_event event,
+				  const struct lyd_node *dnode,
+				  union nb_resource *resource);
+int isis_instance_metric_style_modify(enum nb_event event,
+				      const struct lyd_node *dnode,
+				      union nb_resource *resource);
+int isis_instance_purge_originator_modify(enum nb_event event,
+					  const struct lyd_node *dnode,
+					  union nb_resource *resource);
+int isis_instance_lsp_mtu_modify(enum nb_event event,
+				 const struct lyd_node *dnode,
+				 union nb_resource *resource);
+int isis_instance_lsp_refresh_interval_level_1_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_lsp_refresh_interval_level_2_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_lsp_maximum_lifetime_level_1_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_lsp_maximum_lifetime_level_2_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_lsp_generation_interval_level_1_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_lsp_generation_interval_level_2_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_spf_ietf_backoff_delay_create(enum nb_event event,
+						const struct lyd_node *dnode,
+						union nb_resource *resource);
+int isis_instance_spf_ietf_backoff_delay_destroy(enum nb_event event,
+						 const struct lyd_node *dnode);
+int isis_instance_spf_ietf_backoff_delay_init_delay_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_spf_ietf_backoff_delay_short_delay_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_spf_ietf_backoff_delay_long_delay_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_spf_ietf_backoff_delay_hold_down_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_spf_ietf_backoff_delay_time_to_learn_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_spf_minimum_interval_level_1_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_spf_minimum_interval_level_2_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_area_password_create(enum nb_event event,
+				       const struct lyd_node *dnode,
+				       union nb_resource *resource);
+int isis_instance_area_password_destroy(enum nb_event event,
+					const struct lyd_node *dnode);
+int isis_instance_area_password_password_modify(enum nb_event event,
+						const struct lyd_node *dnode,
+						union nb_resource *resource);
+int isis_instance_area_password_password_type_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_area_password_authenticate_snp_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_domain_password_create(enum nb_event event,
+					 const struct lyd_node *dnode,
+					 union nb_resource *resource);
+int isis_instance_domain_password_destroy(enum nb_event event,
+					  const struct lyd_node *dnode);
+int isis_instance_domain_password_password_modify(enum nb_event event,
+						  const struct lyd_node *dnode,
+						  union nb_resource *resource);
+int isis_instance_domain_password_password_type_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_domain_password_authenticate_snp_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_default_information_originate_ipv4_create(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_default_information_originate_ipv4_destroy(
+	enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_default_information_originate_ipv4_always_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_default_information_originate_ipv4_route_map_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_default_information_originate_ipv4_route_map_destroy(
+	enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_default_information_originate_ipv4_metric_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_default_information_originate_ipv6_create(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_default_information_originate_ipv6_destroy(
+	enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_default_information_originate_ipv6_always_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_default_information_originate_ipv6_route_map_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_default_information_originate_ipv6_route_map_destroy(
+	enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_default_information_originate_ipv6_metric_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_redistribute_ipv4_create(enum nb_event event,
+					   const struct lyd_node *dnode,
+					   union nb_resource *resource);
+int isis_instance_redistribute_ipv4_destroy(enum nb_event event,
+					    const struct lyd_node *dnode);
+int isis_instance_redistribute_ipv4_route_map_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_redistribute_ipv4_route_map_destroy(
+	enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_redistribute_ipv4_metric_modify(enum nb_event event,
+						  const struct lyd_node *dnode,
+						  union nb_resource *resource);
+int isis_instance_redistribute_ipv6_create(enum nb_event event,
+					   const struct lyd_node *dnode,
+					   union nb_resource *resource);
+int isis_instance_redistribute_ipv6_destroy(enum nb_event event,
+					    const struct lyd_node *dnode);
+int isis_instance_redistribute_ipv6_route_map_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_redistribute_ipv6_route_map_destroy(
+	enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_redistribute_ipv6_metric_modify(enum nb_event event,
+						  const struct lyd_node *dnode,
+						  union nb_resource *resource);
+int isis_instance_multi_topology_ipv4_multicast_create(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_multi_topology_ipv4_multicast_destroy(
+	enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_multi_topology_ipv4_multicast_overload_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_multi_topology_ipv4_management_create(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_multi_topology_ipv4_management_destroy(
+	enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_multi_topology_ipv4_management_overload_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_multi_topology_ipv6_unicast_create(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_multi_topology_ipv6_unicast_destroy(
+	enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_multi_topology_ipv6_unicast_overload_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_multi_topology_ipv6_multicast_create(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_multi_topology_ipv6_multicast_destroy(
+	enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_multi_topology_ipv6_multicast_overload_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_multi_topology_ipv6_management_create(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_multi_topology_ipv6_management_destroy(
+	enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_multi_topology_ipv6_management_overload_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_multi_topology_ipv6_dstsrc_create(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_multi_topology_ipv6_dstsrc_destroy(
+	enum nb_event event, const struct lyd_node *dnode);
+int isis_instance_multi_topology_ipv6_dstsrc_overload_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int isis_instance_log_adjacency_changes_modify(enum nb_event event,
+					       const struct lyd_node *dnode,
+					       union nb_resource *resource);
+int isis_instance_mpls_te_create(enum nb_event event,
+				 const struct lyd_node *dnode,
+				 union nb_resource *resource);
+int isis_instance_mpls_te_destroy(enum nb_event event,
+				  const struct lyd_node *dnode);
+int isis_instance_mpls_te_router_address_modify(enum nb_event event,
+						const struct lyd_node *dnode,
+						union nb_resource *resource);
+int isis_instance_mpls_te_router_address_destroy(enum nb_event event,
+						 const struct lyd_node *dnode);
+int lib_interface_isis_create(enum nb_event event, const struct lyd_node *dnode,
+			      union nb_resource *resource);
+int lib_interface_isis_destroy(enum nb_event event,
+			       const struct lyd_node *dnode);
+int lib_interface_isis_area_tag_modify(enum nb_event event,
+				       const struct lyd_node *dnode,
+				       union nb_resource *resource);
+int lib_interface_isis_ipv4_routing_modify(enum nb_event event,
+					   const struct lyd_node *dnode,
+					   union nb_resource *resource);
+int lib_interface_isis_ipv6_routing_modify(enum nb_event event,
+					   const struct lyd_node *dnode,
+					   union nb_resource *resource);
+int lib_interface_isis_circuit_type_modify(enum nb_event event,
+					   const struct lyd_node *dnode,
+					   union nb_resource *resource);
+int lib_interface_isis_bfd_monitoring_modify(enum nb_event event,
+					     const struct lyd_node *dnode,
+					     union nb_resource *resource);
+int lib_interface_isis_csnp_interval_level_1_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_csnp_interval_level_2_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_psnp_interval_level_1_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_psnp_interval_level_2_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_hello_padding_modify(enum nb_event event,
+					    const struct lyd_node *dnode,
+					    union nb_resource *resource);
+int lib_interface_isis_hello_interval_level_1_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_hello_interval_level_2_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_hello_multiplier_level_1_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_hello_multiplier_level_2_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_metric_level_1_modify(enum nb_event event,
+					     const struct lyd_node *dnode,
+					     union nb_resource *resource);
+int lib_interface_isis_metric_level_2_modify(enum nb_event event,
+					     const struct lyd_node *dnode,
+					     union nb_resource *resource);
+int lib_interface_isis_priority_level_1_modify(enum nb_event event,
+					       const struct lyd_node *dnode,
+					       union nb_resource *resource);
+int lib_interface_isis_priority_level_2_modify(enum nb_event event,
+					       const struct lyd_node *dnode,
+					       union nb_resource *resource);
+int lib_interface_isis_network_type_modify(enum nb_event event,
+					   const struct lyd_node *dnode,
+					   union nb_resource *resource);
+int lib_interface_isis_passive_modify(enum nb_event event,
+				      const struct lyd_node *dnode,
+				      union nb_resource *resource);
+int lib_interface_isis_password_create(enum nb_event event,
+				       const struct lyd_node *dnode,
+				       union nb_resource *resource);
+int lib_interface_isis_password_destroy(enum nb_event event,
+					const struct lyd_node *dnode);
+int lib_interface_isis_password_password_modify(enum nb_event event,
+						const struct lyd_node *dnode,
+						union nb_resource *resource);
+int lib_interface_isis_password_password_type_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_disable_three_way_handshake_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_multi_topology_ipv4_unicast_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_multi_topology_ipv4_multicast_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_multi_topology_ipv4_management_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_multi_topology_ipv6_unicast_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_multi_topology_ipv6_multicast_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_multi_topology_ipv6_management_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+int lib_interface_isis_multi_topology_ipv6_dstsrc_modify(
+	enum nb_event event, const struct lyd_node *dnode,
+	union nb_resource *resource);
+const void *
+lib_interface_isis_adjacencies_adjacency_get_next(const void *parent_list_entry,
+						  const void *list_entry);
+struct yang_data *
+lib_interface_isis_adjacencies_adjacency_neighbor_sys_type_get_elem(
+	const char *xpath, const void *list_entry);
+struct yang_data *
+lib_interface_isis_adjacencies_adjacency_neighbor_sysid_get_elem(
+	const char *xpath, const void *list_entry);
+struct yang_data *
+lib_interface_isis_adjacencies_adjacency_neighbor_extended_circuit_id_get_elem(
+	const char *xpath, const void *list_entry);
+struct yang_data *
+lib_interface_isis_adjacencies_adjacency_neighbor_snpa_get_elem(
+	const char *xpath, const void *list_entry);
+struct yang_data *lib_interface_isis_adjacencies_adjacency_hold_timer_get_elem(
+	const char *xpath, const void *list_entry);
+struct yang_data *
+lib_interface_isis_adjacencies_adjacency_neighbor_priority_get_elem(
+	const char *xpath, const void *list_entry);
+struct yang_data *
+lib_interface_isis_adjacencies_adjacency_state_get_elem(const char *xpath,
+							const void *list_entry);
+struct yang_data *lib_interface_isis_event_counters_adjacency_changes_get_elem(
+	const char *xpath, const void *list_entry);
+struct yang_data *lib_interface_isis_event_counters_adjacency_number_get_elem(
+	const char *xpath, const void *list_entry);
+struct yang_data *
+lib_interface_isis_event_counters_init_fails_get_elem(const char *xpath,
+						      const void *list_entry);
+struct yang_data *lib_interface_isis_event_counters_adjacency_rejects_get_elem(
+	const char *xpath, const void *list_entry);
+struct yang_data *lib_interface_isis_event_counters_id_len_mismatch_get_elem(
+	const char *xpath, const void *list_entry);
+struct yang_data *
+lib_interface_isis_event_counters_max_area_addresses_mismatch_get_elem(
+	const char *xpath, const void *list_entry);
+struct yang_data *
+lib_interface_isis_event_counters_authentication_type_fails_get_elem(
+	const char *xpath, const void *list_entry);
+struct yang_data *
+lib_interface_isis_event_counters_authentication_fails_get_elem(
+	const char *xpath, const void *list_entry);
+
+/* Optional 'apply_finish' callbacks. */
+void ietf_backoff_delay_apply_finish(const struct lyd_node *dnode);
+void area_password_apply_finish(const struct lyd_node *dnode);
+void domain_password_apply_finish(const struct lyd_node *dnode);
+void default_info_origin_apply_finish(const struct lyd_node *dnode, int family);
+void default_info_origin_ipv4_apply_finish(const struct lyd_node *dnode);
+void default_info_origin_ipv6_apply_finish(const struct lyd_node *dnode);
+void redistribute_apply_finish(const struct lyd_node *dnode, int family);
+void redistribute_ipv4_apply_finish(const struct lyd_node *dnode);
+void redistribute_ipv6_apply_finish(const struct lyd_node *dnode);
+
+/* Optional 'cli_show' callbacks. */
+void cli_show_router_isis(struct vty *vty, struct lyd_node *dnode,
+			  bool show_defaults);
+void cli_show_ip_isis_ipv4(struct vty *vty, struct lyd_node *dnode,
+			   bool show_defaults);
+void cli_show_ip_isis_ipv6(struct vty *vty, struct lyd_node *dnode,
+			   bool show_defaults);
+void cli_show_ip_isis_bfd_monitoring(struct vty *vty, struct lyd_node *dnode,
+				     bool show_defaults);
+void cli_show_isis_area_address(struct vty *vty, struct lyd_node *dnode,
+				bool show_defaults);
+void cli_show_isis_is_type(struct vty *vty, struct lyd_node *dnode,
+			   bool show_defaults);
+void cli_show_isis_dynamic_hostname(struct vty *vty, struct lyd_node *dnode,
+				    bool show_defaults);
+void cli_show_isis_attached(struct vty *vty, struct lyd_node *dnode,
+			    bool show_defaults);
+void cli_show_isis_overload(struct vty *vty, struct lyd_node *dnode,
+			    bool show_defaults);
+void cli_show_isis_metric_style(struct vty *vty, struct lyd_node *dnode,
+				bool show_defaults);
+void cli_show_isis_area_pwd(struct vty *vty, struct lyd_node *dnode,
+			    bool show_defaults);
+void cli_show_isis_domain_pwd(struct vty *vty, struct lyd_node *dnode,
+			      bool show_defaults);
+void cli_show_isis_lsp_gen_interval(struct vty *vty, struct lyd_node *dnode,
+				    bool show_defaults);
+void cli_show_isis_lsp_ref_interval(struct vty *vty, struct lyd_node *dnode,
+				    bool show_defaults);
+void cli_show_isis_lsp_max_lifetime(struct vty *vty, struct lyd_node *dnode,
+				    bool show_defaults);
+void cli_show_isis_lsp_mtu(struct vty *vty, struct lyd_node *dnode,
+			   bool show_defaults);
+void cli_show_isis_spf_min_interval(struct vty *vty, struct lyd_node *dnode,
+				    bool show_defaults);
+void cli_show_isis_spf_ietf_backoff(struct vty *vty, struct lyd_node *dnode,
+				    bool show_defaults);
+void cli_show_isis_purge_origin(struct vty *vty, struct lyd_node *dnode,
+				bool show_defaults);
+void cli_show_isis_mpls_te(struct vty *vty, struct lyd_node *dnode,
+			   bool show_defaults);
+void cli_show_isis_mpls_te_router_addr(struct vty *vty, struct lyd_node *dnode,
+				       bool show_defaults);
+void cli_show_isis_def_origin_ipv4(struct vty *vty, struct lyd_node *dnode,
+				   bool show_defaults);
+void cli_show_isis_def_origin_ipv6(struct vty *vty, struct lyd_node *dnode,
+				   bool show_defaults);
+void cli_show_isis_redistribute_ipv4(struct vty *vty, struct lyd_node *dnode,
+				     bool show_defaults);
+void cli_show_isis_redistribute_ipv6(struct vty *vty, struct lyd_node *dnode,
+				     bool show_defaults);
+void cli_show_isis_mt_ipv4_multicast(struct vty *vty, struct lyd_node *dnode,
+				     bool show_defaults);
+void cli_show_isis_mt_ipv4_mgmt(struct vty *vty, struct lyd_node *dnode,
+				bool show_defaults);
+void cli_show_isis_mt_ipv6_unicast(struct vty *vty, struct lyd_node *dnode,
+				   bool show_defaults);
+void cli_show_isis_mt_ipv6_multicast(struct vty *vty, struct lyd_node *dnode,
+				     bool show_defaults);
+void cli_show_isis_mt_ipv6_mgmt(struct vty *vty, struct lyd_node *dnode,
+				bool show_defaults);
+void cli_show_isis_mt_ipv6_dstsrc(struct vty *vty, struct lyd_node *dnode,
+				  bool show_defaults);
+void cli_show_ip_isis_passive(struct vty *vty, struct lyd_node *dnode,
+			      bool show_defaults);
+void cli_show_ip_isis_password(struct vty *vty, struct lyd_node *dnode,
+			       bool show_defaults);
+void cli_show_ip_isis_metric(struct vty *vty, struct lyd_node *dnode,
+			     bool show_defaults);
+void cli_show_ip_isis_hello_interval(struct vty *vty, struct lyd_node *dnode,
+				     bool show_defaults);
+void cli_show_ip_isis_hello_multi(struct vty *vty, struct lyd_node *dnode,
+				  bool show_defaults);
+void cli_show_ip_isis_threeway_shake(struct vty *vty, struct lyd_node *dnode,
+				     bool show_defaults);
+void cli_show_ip_isis_hello_padding(struct vty *vty, struct lyd_node *dnode,
+				    bool show_defaults);
+void cli_show_ip_isis_csnp_interval(struct vty *vty, struct lyd_node *dnode,
+				    bool show_defaults);
+void cli_show_ip_isis_psnp_interval(struct vty *vty, struct lyd_node *dnode,
+				    bool show_defaults);
+void cli_show_ip_isis_mt_ipv4_unicast(struct vty *vty, struct lyd_node *dnode,
+				      bool show_defaults);
+void cli_show_ip_isis_mt_ipv4_multicast(struct vty *vty, struct lyd_node *dnode,
+					bool show_defaults);
+void cli_show_ip_isis_mt_ipv4_mgmt(struct vty *vty, struct lyd_node *dnode,
+				   bool show_defaults);
+void cli_show_ip_isis_mt_ipv6_unicast(struct vty *vty, struct lyd_node *dnode,
+				      bool show_defaults);
+void cli_show_ip_isis_mt_ipv6_multicast(struct vty *vty, struct lyd_node *dnode,
+					bool show_defaults);
+void cli_show_ip_isis_mt_ipv6_mgmt(struct vty *vty, struct lyd_node *dnode,
+				   bool show_defaults);
+void cli_show_ip_isis_mt_ipv6_dstsrc(struct vty *vty, struct lyd_node *dnode,
+				     bool show_defaults);
+void cli_show_ip_isis_circ_type(struct vty *vty, struct lyd_node *dnode,
+				bool show_defaults);
+void cli_show_ip_isis_network_type(struct vty *vty, struct lyd_node *dnode,
+				   bool show_defaults);
+void cli_show_ip_isis_priority(struct vty *vty, struct lyd_node *dnode,
+			       bool show_defaults);
+void cli_show_isis_log_adjacency(struct vty *vty, struct lyd_node *dnode,
+				 bool show_defaults);
+
+/* Notifications. */
+void isis_notif_db_overload(const struct isis_area *area, bool overload);
+void isis_notif_lsp_too_large(const struct isis_circuit *circuit,
+			      uint32_t pdu_size, const char *lsp_id);
+void isis_notif_if_state_change(const struct isis_circuit *circuit, bool down);
+void isis_notif_corrupted_lsp(const struct isis_area *area,
+			      const char *lsp_id); /* currently unused */
+void isis_notif_lsp_exceed_max(const struct isis_area *area,
+			       const char *lsp_id);
+void isis_notif_max_area_addr_mismatch(const struct isis_circuit *circuit,
+				       uint8_t max_area_addrs,
+				       const char *raw_pdu);
+void isis_notif_authentication_type_failure(const struct isis_circuit *circuit,
+					    const char *raw_pdu);
+void isis_notif_authentication_failure(const struct isis_circuit *circuit,
+				       const char *raw_pdu);
+void isis_notif_adj_state_change(const struct isis_adjacency *adj,
+				 int new_state, const char *reason);
+void isis_notif_reject_adjacency(const struct isis_circuit *circuit,
+				 const char *reason, const char *raw_pdu);
+void isis_notif_area_mismatch(const struct isis_circuit *circuit,
+			      const char *raw_pdu);
+void isis_notif_lsp_received(const struct isis_circuit *circuit,
+			     const char *lsp_id, uint32_t seqno,
+			     uint32_t timestamp, const char *sys_id);
+void isis_notif_lsp_gen(const struct isis_area *area, const char *lsp_id,
+			uint32_t seqno, uint32_t timestamp);
+void isis_notif_id_len_mismatch(const struct isis_circuit *circuit,
+				uint8_t rcv_id_len, const char *raw_pdu);
+void isis_notif_version_skew(const struct isis_circuit *circuit,
+			     uint8_t version, const char *raw_pdu);
+void isis_notif_lsp_error(const struct isis_circuit *circuit,
+			  const char *lsp_id, const char *raw_pdu,
+			  uint32_t offset, uint8_t tlv_type);
+void isis_notif_seqno_skipped(const struct isis_circuit *circuit,
+			      const char *lsp_id);
+void isis_notif_own_lsp_purge(const struct isis_circuit *circuit,
+			      const char *lsp_id);
+
+#endif /* ISISD_ISIS_NB_H_ */