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),
40 /* route resides in different table */
41 DEVROUTE_TABLE = (1 << 7),
43 /* route resides in default source-route table */
44 DEVROUTE_SRCTABLE = (1 << 8),
46 /* route is on-link */
47 DEVROUTE_ONLINK = (1 << 9),
49 /* route overrides the default route type */
50 DEVROUTE_TYPE = (1 << 10),
58 struct device_prefix_assignment {
59 struct list_head head;
67 struct device_prefix {
68 struct vlist_node node;
69 struct list_head head;
70 struct list_head assignments;
71 struct interface *iface;
73 time_t preferred_until;
75 struct in6_addr excl_addr;
85 struct vlist_node node;
91 uint32_t point_to_point;
95 time_t preferred_until;
99 enum device_addr_flags flags;
104 struct device_route {
105 struct vlist_node node;
106 struct interface *iface;
112 union if_addr nexthop;
118 enum device_addr_flags flags;
119 int metric; // there can be multiple routes to the same target
122 unsigned int sourcemask;
124 union if_addr source;
127 struct device_source_table {
128 struct list_head head;
137 struct vlist_simple_node node;
142 struct dns_search_domain {
143 struct vlist_simple_node node;
147 extern const struct uci_blob_param_list route_attr_list;
148 extern struct list_head prefixes;
150 void interface_ip_init(struct interface *iface);
151 void interface_add_dns_server(struct interface_ip_settings *ip, const char *str);
152 void interface_add_dns_server_list(struct interface_ip_settings *ip, struct blob_attr *list);
153 void interface_add_dns_search_list(struct interface_ip_settings *ip, struct blob_attr *list);
154 void interface_write_resolv_conf(void);
156 void interface_ip_add_route(struct interface *iface, struct blob_attr *attr, bool v6);
158 void interface_ip_update_start(struct interface_ip_settings *ip);
159 void interface_ip_update_complete(struct interface_ip_settings *ip);
160 void interface_ip_flush(struct interface_ip_settings *ip);
161 void interface_ip_set_enabled(struct interface_ip_settings *ip, bool enabled);
162 void interface_ip_update_metric(struct interface_ip_settings *ip, int metric);
164 struct interface *interface_ip_add_target_route(union if_addr *addr, bool v6, struct interface *iface);
166 struct device_prefix* interface_ip_add_device_prefix(struct interface *iface,
167 struct in6_addr *addr, uint8_t length, time_t valid_until, time_t preferred_until,
168 struct in6_addr *excl_addr, uint8_t excl_length, const char *pclass);
169 void interface_ip_set_ula_prefix(const char *prefix);
170 void interface_refresh_assignments(bool hint);