1 /*
2  *	Linux ethernet bridge
3  *
4  *	Authors:
5  *	Lennert Buytenhek		<buytenh@gnu.org>
6  *
7  *	$Id: if_bridge.h,v 1.1 2000/02/18 16:47:01 davem Exp $
8  *
9  *	This program is free software; you can redistribute it and/or
10  *	modify it under the terms of the GNU General Public License
11  *	as published by the Free Software Foundation; either version
12  *	2 of the License, or (at your option) any later version.
13  */
14 
15 #ifndef _LINUX_IF_BRIDGE_H
16 #define _LINUX_IF_BRIDGE_H
17 
18 #include <linux/types.h>
19 
20 #define BRCTL_VERSION 1
21 
22 #define BRCTL_GET_VERSION 0
23 #define BRCTL_GET_BRIDGES 1
24 #define BRCTL_ADD_BRIDGE 2
25 #define BRCTL_DEL_BRIDGE 3
26 #define BRCTL_ADD_IF 4
27 #define BRCTL_DEL_IF 5
28 #define BRCTL_GET_BRIDGE_INFO 6
29 #define BRCTL_GET_PORT_LIST 7
30 #define BRCTL_SET_BRIDGE_FORWARD_DELAY 8
31 #define BRCTL_SET_BRIDGE_HELLO_TIME 9
32 #define BRCTL_SET_BRIDGE_MAX_AGE 10
33 #define BRCTL_SET_AGEING_TIME 11
34 #define BRCTL_SET_GC_INTERVAL 12
35 #define BRCTL_GET_PORT_INFO 13
36 #define BRCTL_SET_BRIDGE_STP_STATE 14
37 #define BRCTL_SET_BRIDGE_PRIORITY 15
38 #define BRCTL_SET_PORT_PRIORITY 16
39 #define BRCTL_SET_PATH_COST 17
40 #define BRCTL_GET_FDB_ENTRIES 18
41 
42 #define BR_STATE_DISABLED 0
43 #define BR_STATE_LISTENING 1
44 #define BR_STATE_LEARNING 2
45 #define BR_STATE_FORWARDING 3
46 #define BR_STATE_BLOCKING 4
47 
48 struct __bridge_info
49 {
50 	__u64 designated_root;
51 	__u64 bridge_id;
52 	__u32 root_path_cost;
53 	__u32 max_age;
54 	__u32 hello_time;
55 	__u32 forward_delay;
56 	__u32 bridge_max_age;
57 	__u32 bridge_hello_time;
58 	__u32 bridge_forward_delay;
59 	__u8 topology_change;
60 	__u8 topology_change_detected;
61 	__u8 root_port;
62 	__u8 stp_enabled;
63 	__u32 ageing_time;
64 	__u32 gc_interval;
65 	__u32 hello_timer_value;
66 	__u32 tcn_timer_value;
67 	__u32 topology_change_timer_value;
68 	__u32 gc_timer_value;
69 };
70 
71 struct __port_info
72 {
73 	__u64 designated_root;
74 	__u64 designated_bridge;
75 	__u16 port_id;
76 	__u16 designated_port;
77 	__u32 path_cost;
78 	__u32 designated_cost;
79 	__u8 state;
80 	__u8 top_change_ack;
81 	__u8 config_pending;
82 	__u8 unused0;
83 	__u32 message_age_timer_value;
84 	__u32 forward_delay_timer_value;
85 	__u32 hold_timer_value;
86 };
87 
88 struct __fdb_entry
89 {
90 	__u8 mac_addr[6];
91 	__u8 port_no;
92 	__u8 is_local;
93 	__u32 ageing_timer_value;
94 	__u32 unused;
95 };
96 
97 #ifdef __KERNEL__
98 
99 #include <linux/netdevice.h>
100 
101 struct net_bridge;
102 struct net_bridge_port;
103 
104 extern int (*br_ioctl_hook)(unsigned long arg);
105 extern void (*br_handle_frame_hook)(struct sk_buff *skb);
106 
107 #endif
108 
109 #endif
110