root/include/uapi/linux/if_bridge.h

INCLUDED FROM

/*
 *      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 _UAPI_LINUX_IF_BRIDGE_H
#define _UAPI_LINUX_IF_BRIDGE_H

#include <linux/types.h>
#include <linux/if_ether.h>
#include <linux/in6.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[ETH_ALEN];
        __u8 port_no;
        __u8 is_local;
        __u32 ageing_timer_value;
        __u8 port_hi;
        __u8 pad0;
        __u16 unused;
};

/* Bridge Flags */
#define BRIDGE_FLAGS_MASTER     1       /* Bridge command to/from master */
#define BRIDGE_FLAGS_SELF       2       /* Bridge command to/from lowerdev */

#define BRIDGE_MODE_VEB         0       /* Default loopback mode */
#define BRIDGE_MODE_VEPA        1       /* 802.1Qbg defined VEPA mode */

/* Bridge management nested attributes
 * [IFLA_AF_SPEC] = {
 *     [IFLA_BRIDGE_FLAGS]
 *     [IFLA_BRIDGE_MODE]
 *     [IFLA_BRIDGE_VLAN_INFO]
 * }
 */
enum {
        IFLA_BRIDGE_FLAGS,
        IFLA_BRIDGE_MODE,
        IFLA_BRIDGE_VLAN_INFO,
        __IFLA_BRIDGE_MAX,
};
#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)

#define BRIDGE_VLAN_INFO_MASTER (1<<0)  /* Operate on Bridge device as well */
#define BRIDGE_VLAN_INFO_PVID   (1<<1)  /* VLAN is PVID, ingress untagged */
#define BRIDGE_VLAN_INFO_UNTAGGED       (1<<2)  /* VLAN egresses untagged */

struct bridge_vlan_info {
        __u16 flags;
        __u16 vid;
};

/* Bridge multicast database attributes
 * [MDBA_MDB] = {
 *     [MDBA_MDB_ENTRY] = {
 *         [MDBA_MDB_ENTRY_INFO]
 *     }
 * }
 * [MDBA_ROUTER] = {
 *    [MDBA_ROUTER_PORT]
 * }
 */
enum {
        MDBA_UNSPEC,
        MDBA_MDB,
        MDBA_ROUTER,
        __MDBA_MAX,
};
#define MDBA_MAX (__MDBA_MAX - 1)

enum {
        MDBA_MDB_UNSPEC,
        MDBA_MDB_ENTRY,
        __MDBA_MDB_MAX,
};
#define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1)

enum {
        MDBA_MDB_ENTRY_UNSPEC,
        MDBA_MDB_ENTRY_INFO,
        __MDBA_MDB_ENTRY_MAX,
};
#define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1)

enum {
        MDBA_ROUTER_UNSPEC,
        MDBA_ROUTER_PORT,
        __MDBA_ROUTER_MAX,
};
#define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1)

struct br_port_msg {
        __u8  family;
        __u32 ifindex;
};

struct br_mdb_entry {
        __u32 ifindex;
#define MDB_TEMPORARY 0
#define MDB_PERMANENT 1
        __u8 state;
        struct {
                union {
                        __be32  ip4;
                        struct in6_addr ip6;
                } u;
                __be16          proto;
        } addr;
};

enum {
        MDBA_SET_ENTRY_UNSPEC,
        MDBA_SET_ENTRY,
        __MDBA_SET_ENTRY_MAX,
};
#define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1)

#endif /* _UAPI_LINUX_IF_BRIDGE_H */