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 __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 74struct __port_info { 75 __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 90struct __fdb_entry { 91 __u8 mac_addr[6]; 92 __u8 port_no; 93 __u8 is_local; 94 __u32 ageing_timer_value; 95 __u8 port_hi; 96 __u8 pad0; 97 __u16 unused; 98}; 99 100 101#endif 102