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 {
32 enum interface_state {
39 enum interface_config_state {
45 enum interface_id_selection_type {
51 enum interface_update_flags {
52 IUF_ADDRESS = (1 << 0),
54 IUF_PREFIX = (1 << 2),
58 struct interface_error {
59 struct list_head list;
61 const char *subsystem;
66 struct interface_user {
67 struct list_head list;
68 struct interface *iface;
69 void (*cb)(struct interface_user *dep, struct interface *iface, enum interface_event ev);
72 struct interface_ip_settings {
73 struct interface *iface;
79 struct vlist_tree addr;
80 struct vlist_tree route;
81 struct vlist_tree prefix;
83 struct vlist_simple_tree dns_servers;
84 struct vlist_simple_tree dns_search;
87 struct interface_data {
89 struct blob_attr data[];
92 struct interface_assignment_class {
93 struct list_head head;
98 * interface configuration
101 struct vlist_node node;
102 struct list_head hotplug_list;
103 enum interface_event hotplug_ev;
110 bool config_autostart;
116 bool policy_rules_set;
120 enum interface_state state;
121 enum interface_config_state config_state;
122 enum interface_update_flags updated;
124 struct list_head users;
126 /* for alias interface */
127 const char *parent_ifname;
128 struct interface_user parent_iface;
130 /* main interface that the interface is bound to */
131 struct device_user main_dev;
132 struct device_user ext_dev;
134 /* interface that layer 3 communication will go through */
135 struct device_user l3_dev;
137 struct blob_attr *config;
139 /* primary protocol state */
140 const struct proto_handler *proto_handler;
141 struct interface_proto_state *proto;
143 struct interface_ip_settings proto_ip;
144 struct interface_ip_settings config_ip;
145 struct vlist_tree host_routes;
149 unsigned int ip4table;
150 unsigned int ip6table;
152 /* IPv6 assignment parameters */
153 enum interface_id_selection_type assignment_iface_id_selection;
154 struct in6_addr assignment_fixed_iface_id;
155 uint8_t assignment_length;
156 int32_t assignment_hint;
157 struct list_head assignment_classes;
158 int assignment_weight;
160 /* errors/warnings while trying to bring up the interface */
161 struct list_head errors;
163 /* extra data provided by protocol handlers or modules */
164 struct avl_tree data;
166 struct uloop_timeout remove_timer;
167 struct ubus_object ubus;
171 extern struct vlist_tree interfaces;
172 extern const struct uci_blob_param_list interface_attr_list;
174 struct interface *interface_alloc(const char *name, struct blob_attr *config);
176 void interface_set_dynamic(struct interface *iface);
178 void interface_add(struct interface *iface, struct blob_attr *config);
179 bool interface_add_alias(struct interface *iface, struct blob_attr *config);
181 void interface_set_proto_state(struct interface *iface, struct interface_proto_state *state);
183 void interface_set_available(struct interface *iface, bool new_state);
184 int interface_set_up(struct interface *iface);
185 int interface_set_down(struct interface *iface);
186 void __interface_set_down(struct interface *iface, bool force);
188 void interface_set_main_dev(struct interface *iface, struct device *dev);
189 void interface_set_l3_dev(struct interface *iface, struct device *dev);
191 void interface_add_user(struct interface_user *dep, struct interface *iface);
192 void interface_remove_user(struct interface_user *dep);
194 int interface_remove_link(struct interface *iface, struct device *dev);
195 int interface_handle_link(struct interface *iface, const char *name, bool add, bool link_ext);
197 void interface_add_error(struct interface *iface, const char *subsystem,
198 const char *code, const char **data, int n_data);
200 int interface_add_data(struct interface *iface, const struct blob_attr *data);
201 int interface_parse_data(struct interface *iface, const struct blob_attr *attr);
203 void interface_update_start(struct interface *iface, const bool keep_old);
204 void interface_update_complete(struct interface *iface);
206 void interface_start_pending(void);