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 __INTERFACE_IP_H
15 #define __INTERFACE_IP_H
17 #include "interface.h"
19 enum device_addr_flags {
20 /* address family for routes and addresses */
21 DEVADDR_INET4 = (0 << 0),
22 DEVADDR_INET6 = (1 << 0),
23 DEVADDR_FAMILY = DEVADDR_INET4 | DEVADDR_INET6,
25 /* externally added address */
26 DEVADDR_EXTERNAL = (1 << 2),
28 /* route overrides the default interface metric */
29 DEVROUTE_METRIC = (1 << 3),
31 /* route overrides the default interface mtu */
32 DEVROUTE_MTU = (1 << 4),
34 /* route automatically added by kernel */
35 DEVADDR_KERNEL = (1 << 5),
37 /* address is off-link (no subnet-route) */
38 DEVADDR_OFFLINK = (1 << 6),
46 struct device_prefix {
47 struct vlist_node node;
48 struct list_head head;
49 struct vlist_tree *assignments;
50 struct interface *iface;
53 time_t preferred_until;
59 struct device_prefix_assignment {
60 struct vlist_node node;
61 struct device_prefix *prefix;
69 struct vlist_node node;
74 uint32_t point_to_point;
78 time_t preferred_until;
81 enum device_addr_flags flags;
87 struct vlist_node node;
88 struct interface *iface;
93 union if_addr nexthop;
98 enum device_addr_flags flags;
99 int metric; // there can be multiple routes to the same target
105 struct vlist_simple_node node;
110 struct dns_search_domain {
111 struct vlist_simple_node node;
115 extern const struct config_param_list route_attr_list;
116 extern struct list_head prefixes;
118 void interface_ip_init(struct interface *iface);
119 void interface_add_dns_server(struct interface_ip_settings *ip, const char *str);
120 void interface_add_dns_server_list(struct interface_ip_settings *ip, struct blob_attr *list);
121 void interface_add_dns_search_list(struct interface_ip_settings *ip, struct blob_attr *list);
122 void interface_write_resolv_conf(void);
124 void interface_ip_add_route(struct interface *iface, struct blob_attr *attr, bool v6);
126 void interface_ip_update_start(struct interface_ip_settings *ip);
127 void interface_ip_update_complete(struct interface_ip_settings *ip);
128 void interface_ip_flush(struct interface_ip_settings *ip);
129 void interface_ip_set_enabled(struct interface_ip_settings *ip, bool enabled);
130 void interface_ip_update_metric(struct interface_ip_settings *ip, int metric);
132 struct interface *interface_ip_add_target_route(union if_addr *addr, bool v6);
134 void interface_ip_set_prefix_assignment(struct device_prefix *prefix,
135 struct interface *iface, uint8_t length);
136 struct device_prefix* interface_ip_add_device_prefix(struct interface *iface,
137 struct in6_addr *addr, uint8_t length, time_t valid_until, time_t preferred_until);
138 void interface_ip_set_ula_prefix(const char *prefix);