1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*
* netifd - network interface daemon
* Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __INTERFACE_IP_H
#define __INTERFACE_IP_H
#include "interface.h"
enum device_addr_flags {
/* address family for routes and addresses */
DEVADDR_INET4 = (0 << 0),
DEVADDR_INET6 = (1 << 0),
DEVADDR_FAMILY = DEVADDR_INET4 | DEVADDR_INET6,
/* externally added address */
DEVADDR_EXTERNAL = (1 << 2),
/* route overrides the default interface metric */
DEVROUTE_METRIC = (1 << 3),
/* route overrides the default interface mtu */
DEVROUTE_MTU = (1 << 4),
/* route automatically added by kernel */
DEVADDR_KERNEL = (1 << 5),
/* address is off-link (no subnet-route) */
DEVADDR_OFFLINK = (1 << 6),
/* route resides in different table */
DEVROUTE_TABLE = (1 << 7),
/* route resides in default source-route table */
DEVROUTE_SRCTABLE = (1 << 8),
/* route is on-link */
DEVROUTE_ONLINK = (1 << 9),
/* route overrides the default route type */
DEVROUTE_TYPE = (1 << 10),
};
union if_addr {
struct in_addr in;
struct in6_addr in6;
};
struct device_prefix_assignment {
struct list_head head;
int32_t assigned;
uint8_t length;
struct in6_addr addr;
bool enabled;
char name[];
};
struct device_prefix {
struct vlist_node node;
struct list_head head;
struct list_head assignments;
struct interface *iface;
time_t valid_until;
time_t preferred_until;
struct in6_addr excl_addr;
uint8_t excl_length;
struct in6_addr addr;
uint8_t length;
char pclass[];
};
struct device_addr {
struct vlist_node node;
bool enabled;
bool failed;
/* ipv4 only */
uint32_t broadcast;
uint32_t point_to_point;
/* ipv6 only */
time_t valid_until;
time_t preferred_until;
char *pclass;
/* must be last */
enum device_addr_flags flags;
unsigned int mask;
union if_addr addr;
};
struct device_route {
struct vlist_node node;
struct interface *iface;
bool enabled;
bool keep;
bool failed;
union if_addr nexthop;
int mtu;
unsigned int type;
time_t valid_until;
/* must be last */
enum device_addr_flags flags;
int metric; // there can be multiple routes to the same target
unsigned int table;
unsigned int mask;
unsigned int sourcemask;
union if_addr addr;
union if_addr source;
};
struct device_source_table {
struct list_head head;
uint32_t table;
uint16_t refcount;
uint8_t v6;
uint8_t mask;
union if_addr addr;
};
struct dns_server {
struct vlist_simple_node node;
int af;
union if_addr addr;
};
struct dns_search_domain {
struct vlist_simple_node node;
char name[];
};
extern const struct uci_blob_param_list route_attr_list;
extern struct list_head prefixes;
void interface_ip_init(struct interface *iface);
void interface_add_dns_server(struct interface_ip_settings *ip, const char *str);
void interface_add_dns_server_list(struct interface_ip_settings *ip, struct blob_attr *list);
void interface_add_dns_search_list(struct interface_ip_settings *ip, struct blob_attr *list);
void interface_write_resolv_conf(void);
void interface_ip_add_route(struct interface *iface, struct blob_attr *attr, bool v6);
void interface_ip_update_start(struct interface_ip_settings *ip);
void interface_ip_update_complete(struct interface_ip_settings *ip);
void interface_ip_flush(struct interface_ip_settings *ip);
void interface_ip_set_enabled(struct interface_ip_settings *ip, bool enabled);
void interface_ip_update_metric(struct interface_ip_settings *ip, int metric);
struct interface *interface_ip_add_target_route(union if_addr *addr, bool v6, struct interface *iface);
struct device_prefix* interface_ip_add_device_prefix(struct interface *iface,
struct in6_addr *addr, uint8_t length, time_t valid_until, time_t preferred_until,
struct in6_addr *excl_addr, uint8_t excl_length, const char *pclass);
void interface_ip_set_ula_prefix(const char *prefix);
void interface_refresh_assignments(bool hint);
#endif
|
