include/linux/if_bridge.h

   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 extern void brioctl_set(int (*ioctl_hook)(unsigned long));
 102 extern int (*br_handle_frame_hook)(struct sk_buff *skb);
 103 extern int (*br_should_route_hook)(struct sk_buff **pskb);
 104
 105 #endif
 106
 107 #endif