linux/include/linux/if_bridge.h
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   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#ifdef __KERNEL__
 101
 102#include <linux/netdevice.h>
 103
 104extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
 105
 106typedef int br_should_route_hook_t(struct sk_buff *skb);
 107extern br_should_route_hook_t __rcu *br_should_route_hook;
 108
 109#endif
 110
 111#endif
 112
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