b723bdb05d7dba5be6167883584fa5159c777957
[project/netifd.git] / iprule.h
1 /*
2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
4 * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15 #ifndef __IPRULE_H
16 #define __IPRULE_H
17
18 #include "interface-ip.h"
19
20 #define IPRULE_PRIORITY_ADDR 10000
21 #define IPRULE_PRIORITY_ADDR_MASK 20000
22 #define IPRULE_PRIORITY_NW 90000
23 #define IPRULE_PRIORITY_REJECT 4200000000
24
25 enum iprule_flags {
26 /* address family for rule */
27 IPRULE_INET4 = (0 << 0),
28 IPRULE_INET6 = (1 << 0),
29 IPRULE_FAMILY = IPRULE_INET4 | IPRULE_INET6,
30
31 /* rule specifies input device */
32 IPRULE_IN = (1 << 2),
33
34 /* rule specifies output device */
35 IPRULE_OUT = (1 << 3),
36
37 /* rule specifies src */
38 IPRULE_SRC = (1 << 4),
39
40 /* rule specifies dest */
41 IPRULE_DEST = (1 << 5),
42
43 /* rule specifies priority */
44 IPRULE_PRIORITY = (1 << 6),
45
46 /* rule specifies diffserv/tos */
47 IPRULE_TOS = (1 << 7),
48
49 /* rule specifies fwmark */
50 IPRULE_FWMARK = (1 << 8),
51
52 /* rule specifies fwmask */
53 IPRULE_FWMASK = (1 << 9),
54
55 /* rule performs table lookup */
56 IPRULE_LOOKUP = (1 << 10),
57
58 /* rule performs routing action */
59 IPRULE_ACTION = (1 << 11),
60
61 /* rule is a goto */
62 IPRULE_GOTO = (1 << 12),
63
64 /* rule suppresses results by prefix length */
65 IPRULE_SUP_PREFIXLEN = (1 << 13),
66 };
67
68 struct iprule {
69 struct vlist_node node;
70 unsigned int order;
71
72 /* everything below is used as avl tree key */
73 enum iprule_flags flags;
74
75 bool invert;
76
77 char in_dev[IFNAMSIZ + 1];
78 char out_dev[IFNAMSIZ + 1];
79
80 unsigned int src_mask;
81 union if_addr src_addr;
82
83 unsigned int dest_mask;
84 union if_addr dest_addr;
85
86 unsigned int priority;
87 unsigned int tos;
88
89 unsigned int fwmark;
90 unsigned int fwmask;
91
92 unsigned int lookup;
93 unsigned int sup_prefixlen;
94 unsigned int action;
95 unsigned int gotoid;
96 };
97
98 extern struct vlist_tree iprules;
99 extern const struct uci_blob_param_list rule_attr_list;
100
101 void iprule_add(struct blob_attr *attr, bool v6);
102 void iprule_update_start(void);
103 void iprule_update_complete(void);
104
105 #endif