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if_bridge.h
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if_bridge.h
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/*
* Linux ethernet bridge
*
* Authors:
* Lennert Buytenhek <buytenh@gnu.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _LINUX_IF_BRIDGE_H
#define _LINUX_IF_BRIDGE_H
#include <linux/types.h>
#define SYSFS_BRIDGE_ATTR "bridge"
#define SYSFS_BRIDGE_FDB "brforward"
#define SYSFS_BRIDGE_PORT_SUBDIR "brif"
#define SYSFS_BRIDGE_PORT_ATTR "brport"
#define SYSFS_BRIDGE_PORT_LINK "bridge"
#define BRCTL_VERSION 1
#define BRCTL_GET_VERSION 0
#define BRCTL_GET_BRIDGES 1
#define BRCTL_ADD_BRIDGE 2
#define BRCTL_DEL_BRIDGE 3
#define BRCTL_ADD_IF 4
#define BRCTL_DEL_IF 5
#define BRCTL_GET_BRIDGE_INFO 6
#define BRCTL_GET_PORT_LIST 7
#define BRCTL_SET_BRIDGE_FORWARD_DELAY 8
#define BRCTL_SET_BRIDGE_HELLO_TIME 9
#define BRCTL_SET_BRIDGE_MAX_AGE 10
#define BRCTL_SET_AGEING_TIME 11
#define BRCTL_SET_GC_INTERVAL 12
#define BRCTL_GET_PORT_INFO 13
#define BRCTL_SET_BRIDGE_STP_STATE 14
#define BRCTL_SET_BRIDGE_PRIORITY 15
#define BRCTL_SET_PORT_PRIORITY 16
#define BRCTL_SET_PATH_COST 17
#define BRCTL_GET_FDB_ENTRIES 18
#define BR_STATE_DISABLED 0
#define BR_STATE_LISTENING 1
#define BR_STATE_LEARNING 2
#define BR_STATE_FORWARDING 3
#define BR_STATE_BLOCKING 4
struct __bridge_info
{
__u64 designated_root;
__u64 bridge_id;
__u32 root_path_cost;
__u32 max_age;
__u32 hello_time;
__u32 forward_delay;
__u32 bridge_max_age;
__u32 bridge_hello_time;
__u32 bridge_forward_delay;
__u8 topology_change;
__u8 topology_change_detected;
__u8 root_port;
__u8 stp_enabled;
__u32 ageing_time;
__u32 gc_interval;
__u32 hello_timer_value;
__u32 tcn_timer_value;
__u32 topology_change_timer_value;
__u32 gc_timer_value;
};
struct __port_info
{
__u64 designated_root;
__u64 designated_bridge;
__u16 port_id;
__u16 designated_port;
__u32 path_cost;
__u32 designated_cost;
__u8 state;
__u8 top_change_ack;
__u8 config_pending;
__u8 unused0;
__u32 message_age_timer_value;
__u32 forward_delay_timer_value;
__u32 hold_timer_value;
};
struct __fdb_entry
{
__u8 mac_addr[6];
__u8 port_no;
__u8 is_local;
__u32 ageing_timer_value;
__u8 port_hi;
__u8 pad0;
__u16 unused;
};
#ifdef __KERNEL__
#include <linux/netdevice.h>
extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
extern struct sk_buff *(*br_handle_frame_hook)(struct net_bridge_port *p,
struct sk_buff *skb);
extern int (*br_should_route_hook)(struct sk_buff *skb);
#endif
#endif