Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1/*
2 * Linux ethernet bridge
3 *
4 * Authors:
5 * Lennert Buytenhek <buytenh@gnu.org>
6 *
7 * 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
52struct __bridge_info
53{
54 __u64 designated_root;
55 __u64 bridge_id;
56 __u32 root_path_cost;
57 __u32 max_age;
58 __u32 hello_time;
59 __u32 forward_delay;
60 __u32 bridge_max_age;
61 __u32 bridge_hello_time;
62 __u32 bridge_forward_delay;
63 __u8 topology_change;
64 __u8 topology_change_detected;
65 __u8 root_port;
66 __u8 stp_enabled;
67 __u32 ageing_time;
68 __u32 gc_interval;
69 __u32 hello_timer_value;
70 __u32 tcn_timer_value;
71 __u32 topology_change_timer_value;
72 __u32 gc_timer_value;
73};
74
75struct __port_info
76{
77 __u64 designated_root;
78 __u64 designated_bridge;
79 __u16 port_id;
80 __u16 designated_port;
81 __u32 path_cost;
82 __u32 designated_cost;
83 __u8 state;
84 __u8 top_change_ack;
85 __u8 config_pending;
86 __u8 unused0;
87 __u32 message_age_timer_value;
88 __u32 forward_delay_timer_value;
89 __u32 hold_timer_value;
90};
91
92struct __fdb_entry
93{
94 __u8 mac_addr[6];
95 __u8 port_no;
96 __u8 is_local;
97 __u32 ageing_timer_value;
98 __u8 port_hi;
99 __u8 pad0;
100 __u16 unused;
101};
102
103#ifdef __KERNEL__
104
105#include <linux/netdevice.h>
106
107extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
108extern struct sk_buff *(*br_handle_frame_hook)(struct net_bridge_port *p,
109 struct sk_buff *skb);
110extern int (*br_should_route_hook)(struct sk_buff *skb);
111
112#endif
113
114#endif