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;
85 struct vlist_tree neighbor;
87 struct vlist_simple_tree dns_servers;
88 struct vlist_simple_tree dns_search;
91 struct interface_data {
93 struct blob_attr data[];
96 struct interface_assignment_class {
97 struct list_head head;
102 * interface configuration
105 struct vlist_node node;
106 struct list_head hotplug_list;
107 enum interface_event hotplug_ev;
117 bool config_autostart;
123 bool policy_rules_set;
127 enum interface_state state;
128 enum interface_config_state config_state;
129 enum interface_update_flags updated;
131 struct list_head users;
133 /* for alias interface */
134 const char *parent_ifname;
135 struct interface_user parent_iface;
137 /* main interface that the interface is bound to */
138 struct device_user main_dev;
139 struct device_user ext_dev;
141 /* interface that layer 3 communication will go through */
142 struct device_user l3_dev;
144 struct blob_attr *config;
146 /* primary protocol state */
147 const struct proto_handler *proto_handler;
148 struct interface_proto_state *proto;
150 struct interface_ip_settings proto_ip;
151 struct interface_ip_settings config_ip;
152 struct vlist_tree host_routes;
153 struct vlist_tree host_neighbors;
157 unsigned int ip4table;
158 unsigned int ip6table;
160 /* IPv6 assignment parameters */
161 enum interface_id_selection_type assignment_iface_id_selection;
162 struct in6_addr assignment_fixed_iface_id;
163 uint8_t assignment_length;
164 int32_t assignment_hint;
165 struct list_head assignment_classes;
166 int assignment_weight;
168 /* errors/warnings while trying to bring up the interface */
169 struct list_head errors;
171 /* extra data provided by protocol handlers or modules */
172 struct avl_tree data;
174 struct uloop_timeout remove_timer;
175 struct ubus_object ubus;
179 extern struct vlist_tree interfaces;
180 extern const struct uci_blob_param_list interface_attr_list;
182 struct interface *interface_alloc(const char *name, struct blob_attr *config, bool dynamic);
184 bool interface_add(struct interface *iface, struct blob_attr *config);
185 bool interface_add_alias(struct interface *iface, struct blob_attr *config);
187 void interface_set_proto_state(struct interface *iface, struct interface_proto_state *state);
189 void interface_set_available(struct interface *iface, bool new_state);
190 void interface_set_up(struct interface *iface);
191 void interface_set_down(struct interface *iface);
192 int interface_renew(struct interface *iface);
194 void interface_set_l3_dev(struct interface *iface, struct device *dev);
196 void interface_add_user(struct interface_user *dep, struct interface *iface);
197 void interface_remove_user(struct interface_user *dep);
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);
211 void interface_start_jail(const char *jail, const pid_t netns_pid);
212 void interface_stop_jail(const char *jail, const pid_t netns_pid);