if_bridge.h

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/*
 *  Linux ethernet bridge
 *
 *  Authors:
 *  Lennert Buytenhek       <[email protected]>
 *
 *  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 _UAPI_LINUX_IF_BRIDGE_H
#define _UAPI_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;
};


#endif /* _UAPI_LINUX_IF_BRIDGE_H */