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),
52 struct device_prefix_assignment {
53 struct list_head head;
60 struct device_prefix {
61 struct vlist_node node;
62 struct list_head head;
63 struct list_head assignments;
64 struct interface *iface;
66 time_t preferred_until;
68 struct in6_addr excl_addr;
78 struct vlist_node node;
83 uint32_t point_to_point;
87 time_t preferred_until;
90 enum device_addr_flags flags;
96 struct vlist_node node;
97 struct interface *iface;
102 union if_addr nexthop;
107 enum device_addr_flags flags;
108 int metric; // there can be multiple routes to the same target
111 unsigned int sourcemask;
113 union if_addr source;
116 struct device_source_table {
117 struct list_head head;
126 struct vlist_simple_node node;
131 struct dns_search_domain {
132 struct vlist_simple_node node;
136 extern const struct uci_blob_param_list route_attr_list;
137 extern struct list_head prefixes;
139 void interface_ip_init(struct interface *iface);
140 void interface_add_dns_server(struct interface_ip_settings *ip, const char *str);
141 void interface_add_dns_server_list(struct interface_ip_settings *ip, struct blob_attr *list);
142 void interface_add_dns_search_list(struct interface_ip_settings *ip, struct blob_attr *list);
143 void interface_write_resolv_conf(void);
145 void interface_ip_add_route(struct interface *iface, struct blob_attr *attr, bool v6);
147 void interface_ip_update_start(struct interface_ip_settings *ip);
148 void interface_ip_update_complete(struct interface_ip_settings *ip);
149 void interface_ip_flush(struct interface_ip_settings *ip);
150 void interface_ip_set_enabled(struct interface_ip_settings *ip, bool enabled);
151 void interface_ip_update_metric(struct interface_ip_settings *ip, int metric);
153 struct interface *interface_ip_add_target_route(union if_addr *addr, bool v6, struct interface *iface);
155 struct device_prefix* interface_ip_add_device_prefix(struct interface *iface,
156 struct in6_addr *addr, uint8_t length, time_t valid_until, time_t preferred_until,
157 struct in6_addr *excl_addr, uint8_t excl_length, const char *pclass);
158 void interface_ip_set_ula_prefix(const char *prefix);
159 void interface_refresh_assignments(bool hint);