2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 #ifndef __NETIFD_INTERFACE_H
15 #define __NETIFD_INTERFACE_H
21 struct interface_proto_state;
23 enum interface_event {
31 /* send when a new interface created. This is before proto handlers has been attached. */
35 enum interface_state {
42 enum interface_config_state {
48 enum interface_id_selection_type {
54 enum interface_update_flags {
55 IUF_ADDRESS = (1 << 0),
57 IUF_PREFIX = (1 << 2),
61 struct interface_error {
62 struct list_head list;
64 const char *subsystem;
69 struct interface_user {
70 struct list_head list;
71 struct interface *iface;
72 void (*cb)(struct interface_user *dep, struct interface *iface, enum interface_event ev);
75 struct interface_ip_settings {
76 struct interface *iface;
82 struct vlist_tree addr;
83 struct vlist_tree route;
84 struct vlist_tree prefix;
86 struct vlist_simple_tree dns_servers;
87 struct vlist_simple_tree dns_search;
90 struct interface_data {
92 struct blob_attr data[];
95 struct interface_assignment_class {
96 struct list_head head;
101 * interface configuration
104 struct vlist_node node;
105 struct list_head hotplug_list;
106 enum interface_event hotplug_ev;
113 bool config_autostart;
119 bool policy_rules_set;
123 enum interface_state state;
124 enum interface_config_state config_state;
125 enum interface_update_flags updated;
127 struct list_head users;
129 /* for alias interface */
130 const char *parent_ifname;
131 struct interface_user parent_iface;
133 /* main interface that the interface is bound to */
134 struct device_user main_dev;
135 struct device_user ext_dev;
137 /* interface that layer 3 communication will go through */
138 struct device_user l3_dev;
140 struct blob_attr *config;
142 /* primary protocol state */
143 const struct proto_handler *proto_handler;
144 struct interface_proto_state *proto;
146 struct interface_ip_settings proto_ip;
147 struct interface_ip_settings config_ip;
148 struct vlist_tree host_routes;
152 unsigned int ip4table;
153 unsigned int ip6table;
155 /* IPv6 assignment parameters */
156 enum interface_id_selection_type assignment_iface_id_selection;
157 struct in6_addr assignment_fixed_iface_id;
158 uint8_t assignment_length;
159 int32_t assignment_hint;
160 struct list_head assignment_classes;
161 int assignment_weight;
163 /* errors/warnings while trying to bring up the interface */
164 struct list_head errors;
166 /* extra data provided by protocol handlers or modules */
167 struct avl_tree data;
169 struct uloop_timeout remove_timer;
170 struct ubus_object ubus;
174 extern struct vlist_tree interfaces;
175 extern const struct uci_blob_param_list interface_attr_list;
177 struct interface *interface_alloc(const char *name, struct blob_attr *config);
179 void interface_set_dynamic(struct interface *iface);
181 void interface_add(struct interface *iface, struct blob_attr *config);
182 bool interface_add_alias(struct interface *iface, struct blob_attr *config);
184 void interface_set_proto_state(struct interface *iface, struct interface_proto_state *state);
186 void interface_set_available(struct interface *iface, bool new_state);
187 int interface_set_up(struct interface *iface);
188 int interface_set_down(struct interface *iface);
189 void __interface_set_down(struct interface *iface, bool force);
190 int interface_renew(struct interface *iface);
192 void interface_set_main_dev(struct interface *iface, struct device *dev);
193 void interface_set_l3_dev(struct interface *iface, struct device *dev);
195 void interface_add_user(struct interface_user *dep, struct interface *iface);
196 void interface_remove_user(struct interface_user *dep);
198 int interface_remove_link(struct interface *iface, struct device *dev);
199 int interface_handle_link(struct interface *iface, const char *name, bool add, bool link_ext);
201 void interface_add_error(struct interface *iface, const char *subsystem,
202 const char *code, const char **data, int n_data);
204 int interface_add_data(struct interface *iface, const struct blob_attr *data);
205 int interface_parse_data(struct interface *iface, const struct blob_attr *attr);
207 void interface_update_start(struct interface *iface, const bool keep_old);
208 void interface_update_complete(struct interface *iface);
210 void interface_start_pending(void);