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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Linux ethernet bridge
3 *
4 * Authors:
5 * Lennert Buytenhek <buytenh@gnu.org>
6 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12
13#ifndef _LINUX_IF_BRIDGE_H
14#define _LINUX_IF_BRIDGE_H
15
16#include <linux/types.h>
17
18#define SYSFS_BRIDGE_ATTR "bridge"
19#define SYSFS_BRIDGE_FDB "brforward"
20#define SYSFS_BRIDGE_PORT_SUBDIR "brif"
21#define SYSFS_BRIDGE_PORT_ATTR "brport"
22#define SYSFS_BRIDGE_PORT_LINK "bridge"
23
24#define BRCTL_VERSION 1
25
26#define BRCTL_GET_VERSION 0
27#define BRCTL_GET_BRIDGES 1
28#define BRCTL_ADD_BRIDGE 2
29#define BRCTL_DEL_BRIDGE 3
30#define BRCTL_ADD_IF 4
31#define BRCTL_DEL_IF 5
32#define BRCTL_GET_BRIDGE_INFO 6
33#define BRCTL_GET_PORT_LIST 7
34#define BRCTL_SET_BRIDGE_FORWARD_DELAY 8
35#define BRCTL_SET_BRIDGE_HELLO_TIME 9
36#define BRCTL_SET_BRIDGE_MAX_AGE 10
37#define BRCTL_SET_AGEING_TIME 11
38#define BRCTL_SET_GC_INTERVAL 12
39#define BRCTL_GET_PORT_INFO 13
40#define BRCTL_SET_BRIDGE_STP_STATE 14
41#define BRCTL_SET_BRIDGE_PRIORITY 15
42#define BRCTL_SET_PORT_PRIORITY 16
43#define BRCTL_SET_PATH_COST 17
44#define BRCTL_GET_FDB_ENTRIES 18
45
46#define BR_STATE_DISABLED 0
47#define BR_STATE_LISTENING 1
48#define BR_STATE_LEARNING 2
49#define BR_STATE_FORWARDING 3
50#define BR_STATE_BLOCKING 4
51
Eric Dumazetd94d9fe2009-11-04 09:50:58 -080052struct __bridge_info {
Linus Torvalds1da177e2005-04-16 15:20:36 -070053 __u64 designated_root;
54 __u64 bridge_id;
55 __u32 root_path_cost;
56 __u32 max_age;
57 __u32 hello_time;
58 __u32 forward_delay;
59 __u32 bridge_max_age;
60 __u32 bridge_hello_time;
61 __u32 bridge_forward_delay;
62 __u8 topology_change;
63 __u8 topology_change_detected;
64 __u8 root_port;
65 __u8 stp_enabled;
66 __u32 ageing_time;
67 __u32 gc_interval;
68 __u32 hello_timer_value;
69 __u32 tcn_timer_value;
70 __u32 topology_change_timer_value;
71 __u32 gc_timer_value;
72};
73
Eric Dumazetd94d9fe2009-11-04 09:50:58 -080074struct __port_info {
Linus Torvalds1da177e2005-04-16 15:20:36 -070075 __u64 designated_root;
76 __u64 designated_bridge;
77 __u16 port_id;
78 __u16 designated_port;
79 __u32 path_cost;
80 __u32 designated_cost;
81 __u8 state;
82 __u8 top_change_ack;
83 __u8 config_pending;
84 __u8 unused0;
85 __u32 message_age_timer_value;
86 __u32 forward_delay_timer_value;
87 __u32 hold_timer_value;
88};
89
Eric Dumazetd94d9fe2009-11-04 09:50:58 -080090struct __fdb_entry {
Linus Torvalds1da177e2005-04-16 15:20:36 -070091 __u8 mac_addr[6];
92 __u8 port_no;
93 __u8 is_local;
94 __u32 ageing_timer_value;
Stephen Hemmingerae4f8fc2008-05-02 16:53:33 -070095 __u8 port_hi;
96 __u8 pad0;
97 __u16 unused;
Linus Torvalds1da177e2005-04-16 15:20:36 -070098};
99
100#ifdef __KERNEL__
101
102#include <linux/netdevice.h>
103
Eric W. Biederman881d9662007-09-17 11:56:21 -0700104extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
Eric Dumazeta386f992010-11-15 06:38:11 +0000105
Florian Westphal2f46e072011-01-11 23:55:51 +0100106typedef int br_should_route_hook_t(struct sk_buff *skb);
Eric Dumazeta386f992010-11-15 06:38:11 +0000107extern br_should_route_hook_t __rcu *br_should_route_hook;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108
109#endif
110
111#endif