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001: /*
002:  *      Linux ethernet bridge
003:  *
004:  *      Authors:
005:  *      Lennert Buytenhek               <buytenh@gnu.org>
006:  *
007:  *      This program is free software; you can redistribute it and/or
008:  *      modify it under the terms of the GNU General Public License
009:  *      as published by the Free Software Foundation; either version
010:  *      2 of the License, or (at your option) any later version.
011:  */
012: 
013: #ifndef _LINUX_IF_BRIDGE_H
014: #define _LINUX_IF_BRIDGE_H
015: 
016: #include <linux/types.h>
017: 
018: #define SYSFS_BRIDGE_ATTR       "bridge"
019: #define SYSFS_BRIDGE_FDB        "brforward"
020: #define SYSFS_BRIDGE_PORT_SUBDIR "brif"
021: #define SYSFS_BRIDGE_PORT_ATTR  "brport"
022: #define SYSFS_BRIDGE_PORT_LINK  "bridge"
023: 
024: #define BRCTL_VERSION 1
025: 
026: #define BRCTL_GET_VERSION 0
027: #define BRCTL_GET_BRIDGES 1
028: #define BRCTL_ADD_BRIDGE 2
029: #define BRCTL_DEL_BRIDGE 3
030: #define BRCTL_ADD_IF 4
031: #define BRCTL_DEL_IF 5
032: #define BRCTL_GET_BRIDGE_INFO 6
033: #define BRCTL_GET_PORT_LIST 7
034: #define BRCTL_SET_BRIDGE_FORWARD_DELAY 8
035: #define BRCTL_SET_BRIDGE_HELLO_TIME 9
036: #define BRCTL_SET_BRIDGE_MAX_AGE 10
037: #define BRCTL_SET_AGEING_TIME 11
038: #define BRCTL_SET_GC_INTERVAL 12
039: #define BRCTL_GET_PORT_INFO 13
040: #define BRCTL_SET_BRIDGE_STP_STATE 14
041: #define BRCTL_SET_BRIDGE_PRIORITY 15
042: #define BRCTL_SET_PORT_PRIORITY 16
043: #define BRCTL_SET_PATH_COST 17
044: #define BRCTL_GET_FDB_ENTRIES 18
045: 
046: #define BR_STATE_DISABLED 0
047: #define BR_STATE_LISTENING 1
048: #define BR_STATE_LEARNING 2
049: #define BR_STATE_FORWARDING 3
050: #define BR_STATE_BLOCKING 4
051: 
052: struct __bridge_info {
053:         __u64 designated_root;
054:         __u64 bridge_id;
055:         __u32 root_path_cost;
056:         __u32 max_age;
057:         __u32 hello_time;
058:         __u32 forward_delay;
059:         __u32 bridge_max_age;
060:         __u32 bridge_hello_time;
061:         __u32 bridge_forward_delay;
062:         __u8 topology_change;
063:         __u8 topology_change_detected;
064:         __u8 root_port;
065:         __u8 stp_enabled;
066:         __u32 ageing_time;
067:         __u32 gc_interval;
068:         __u32 hello_timer_value;
069:         __u32 tcn_timer_value;
070:         __u32 topology_change_timer_value;
071:         __u32 gc_timer_value;
072: };
073: 
074: struct __port_info {
075:         __u64 designated_root;
076:         __u64 designated_bridge;
077:         __u16 port_id;
078:         __u16 designated_port;
079:         __u32 path_cost;
080:         __u32 designated_cost;
081:         __u8 state;
082:         __u8 top_change_ack;
083:         __u8 config_pending;
084:         __u8 unused0;
085:         __u32 message_age_timer_value;
086:         __u32 forward_delay_timer_value;
087:         __u32 hold_timer_value;
088: };
089: 
090: struct __fdb_entry {
091:         __u8 mac_addr[6];
092:         __u8 port_no;
093:         __u8 is_local;
094:         __u32 ageing_timer_value;
095:         __u8 port_hi;
096:         __u8 pad0;
097:         __u16 unused;
098: };
099: 
100: 
101: #endif
102: 

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