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
;
69 struct in6_addr excl_addr
;
76 struct vlist_node node
;
81 uint32_t point_to_point
;
85 time_t preferred_until
;
88 enum device_addr_flags flags
;
94 struct vlist_node node
;
95 struct interface
*iface
;
100 union if_addr nexthop
;
105 enum device_addr_flags flags
;
106 int metric
; // there can be multiple routes to the same target
113 struct vlist_simple_node node
;
118 struct dns_search_domain
{
119 struct vlist_simple_node node
;
123 extern const struct config_param_list route_attr_list
;
124 extern struct list_head prefixes
;
126 void interface_ip_init(struct interface
*iface
);
127 void interface_add_dns_server(struct interface_ip_settings
*ip
, const char *str
);
128 void interface_add_dns_server_list(struct interface_ip_settings
*ip
, struct blob_attr
*list
);
129 void interface_add_dns_search_list(struct interface_ip_settings
*ip
, struct blob_attr
*list
);
130 void interface_write_resolv_conf(void);
132 void interface_ip_add_route(struct interface
*iface
, struct blob_attr
*attr
, bool v6
);
134 void interface_ip_update_start(struct interface_ip_settings
*ip
);
135 void interface_ip_update_complete(struct interface_ip_settings
*ip
);
136 void interface_ip_flush(struct interface_ip_settings
*ip
);
137 void interface_ip_set_enabled(struct interface_ip_settings
*ip
, bool enabled
);
138 void interface_ip_update_metric(struct interface_ip_settings
*ip
, int metric
);
140 struct interface
*interface_ip_add_target_route(union if_addr
*addr
, bool v6
, struct interface
*iface
);
142 struct device_prefix
* interface_ip_add_device_prefix(struct interface
*iface
,
143 struct in6_addr
*addr
, uint8_t length
, time_t valid_until
, time_t preferred_until
,
144 struct in6_addr
*excl_addr
, uint8_t excl_length
);
145 void interface_ip_set_ula_prefix(const char *prefix
);
146 void interface_refresh_assignments(bool hint
);
147 int interface_ip_resolve_v6_rtable(int ifindex
);