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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 *	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>
#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 */
#define BRIDGE_MODE_UNDEF	0xFFFF  /* mode undefined */

/* 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_VLAN_TUNNEL_INFO,
	IFLA_BRIDGE_MRP,
	IFLA_BRIDGE_CFM,
	IFLA_BRIDGE_MST,
	__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 */
#define BRIDGE_VLAN_INFO_RANGE_BEGIN	(1<<3) /* VLAN is start of vlan range */
#define BRIDGE_VLAN_INFO_RANGE_END	(1<<4) /* VLAN is end of vlan range */
#define BRIDGE_VLAN_INFO_BRENTRY	(1<<5) /* Global bridge VLAN entry */
#define BRIDGE_VLAN_INFO_ONLY_OPTS	(1<<6) /* Skip create/delete/flags */

struct bridge_vlan_info {
	__u16 flags;
	__u16 vid;
};

enum {
	IFLA_BRIDGE_VLAN_TUNNEL_UNSPEC,
	IFLA_BRIDGE_VLAN_TUNNEL_ID,
	IFLA_BRIDGE_VLAN_TUNNEL_VID,
	IFLA_BRIDGE_VLAN_TUNNEL_FLAGS,
	__IFLA_BRIDGE_VLAN_TUNNEL_MAX,
};

#define IFLA_BRIDGE_VLAN_TUNNEL_MAX (__IFLA_BRIDGE_VLAN_TUNNEL_MAX - 1)

struct bridge_vlan_xstats {
	__u64 rx_bytes;
	__u64 rx_packets;
	__u64 tx_bytes;
	__u64 tx_packets;
	__u16 vid;
	__u16 flags;
	__u32 pad2;
};

enum {
	IFLA_BRIDGE_MRP_UNSPEC,
	IFLA_BRIDGE_MRP_INSTANCE,
	IFLA_BRIDGE_MRP_PORT_STATE,
	IFLA_BRIDGE_MRP_PORT_ROLE,
	IFLA_BRIDGE_MRP_RING_STATE,
	IFLA_BRIDGE_MRP_RING_ROLE,
	IFLA_BRIDGE_MRP_START_TEST,
	IFLA_BRIDGE_MRP_INFO,
	IFLA_BRIDGE_MRP_IN_ROLE,
	IFLA_BRIDGE_MRP_IN_STATE,
	IFLA_BRIDGE_MRP_START_IN_TEST,
	__IFLA_BRIDGE_MRP_MAX,
};

#define IFLA_BRIDGE_MRP_MAX (__IFLA_BRIDGE_MRP_MAX - 1)

enum {
	IFLA_BRIDGE_MRP_INSTANCE_UNSPEC,
	IFLA_BRIDGE_MRP_INSTANCE_RING_ID,
	IFLA_BRIDGE_MRP_INSTANCE_P_IFINDEX,
	IFLA_BRIDGE_MRP_INSTANCE_S_IFINDEX,
	IFLA_BRIDGE_MRP_INSTANCE_PRIO,
	__IFLA_BRIDGE_MRP_INSTANCE_MAX,
};

#define IFLA_BRIDGE_MRP_INSTANCE_MAX (__IFLA_BRIDGE_MRP_INSTANCE_MAX - 1)

enum {
	IFLA_BRIDGE_MRP_PORT_STATE_UNSPEC,
	IFLA_BRIDGE_MRP_PORT_STATE_STATE,
	__IFLA_BRIDGE_MRP_PORT_STATE_MAX,
};

#define IFLA_BRIDGE_MRP_PORT_STATE_MAX (__IFLA_BRIDGE_MRP_PORT_STATE_MAX - 1)

enum {
	IFLA_BRIDGE_MRP_PORT_ROLE_UNSPEC,
	IFLA_BRIDGE_MRP_PORT_ROLE_ROLE,
	__IFLA_BRIDGE_MRP_PORT_ROLE_MAX,
};

#define IFLA_BRIDGE_MRP_PORT_ROLE_MAX (__IFLA_BRIDGE_MRP_PORT_ROLE_MAX - 1)

enum {
	IFLA_BRIDGE_MRP_RING_STATE_UNSPEC,
	IFLA_BRIDGE_MRP_RING_STATE_RING_ID,
	IFLA_BRIDGE_MRP_RING_STATE_STATE,
	__IFLA_BRIDGE_MRP_RING_STATE_MAX,
};

#define IFLA_BRIDGE_MRP_RING_STATE_MAX (__IFLA_BRIDGE_MRP_RING_STATE_MAX - 1)

enum {
	IFLA_BRIDGE_MRP_RING_ROLE_UNSPEC,
	IFLA_BRIDGE_MRP_RING_ROLE_RING_ID,
	IFLA_BRIDGE_MRP_RING_ROLE_ROLE,
	__IFLA_BRIDGE_MRP_RING_ROLE_MAX,
};

#define IFLA_BRIDGE_MRP_RING_ROLE_MAX (__IFLA_BRIDGE_MRP_RING_ROLE_MAX - 1)

enum {
	IFLA_BRIDGE_MRP_START_TEST_UNSPEC,
	IFLA_BRIDGE_MRP_START_TEST_RING_ID,
	IFLA_BRIDGE_MRP_START_TEST_INTERVAL,
	IFLA_BRIDGE_MRP_START_TEST_MAX_MISS,
	IFLA_BRIDGE_MRP_START_TEST_PERIOD,
	IFLA_BRIDGE_MRP_START_TEST_MONITOR,
	__IFLA_BRIDGE_MRP_START_TEST_MAX,
};

#define IFLA_BRIDGE_MRP_START_TEST_MAX (__IFLA_BRIDGE_MRP_START_TEST_MAX - 1)

enum {
	IFLA_BRIDGE_MRP_INFO_UNSPEC,
	IFLA_BRIDGE_MRP_INFO_RING_ID,
	IFLA_BRIDGE_MRP_INFO_P_IFINDEX,
	IFLA_BRIDGE_MRP_INFO_S_IFINDEX,
	IFLA_BRIDGE_MRP_INFO_PRIO,
	IFLA_BRIDGE_MRP_INFO_RING_STATE,
	IFLA_BRIDGE_MRP_INFO_RING_ROLE,
	IFLA_BRIDGE_MRP_INFO_TEST_INTERVAL,
	IFLA_BRIDGE_MRP_INFO_TEST_MAX_MISS,
	IFLA_BRIDGE_MRP_INFO_TEST_MONITOR,
	IFLA_BRIDGE_MRP_INFO_I_IFINDEX,
	IFLA_BRIDGE_MRP_INFO_IN_STATE,
	IFLA_BRIDGE_MRP_INFO_IN_ROLE,
	IFLA_BRIDGE_MRP_INFO_IN_TEST_INTERVAL,
	IFLA_BRIDGE_MRP_INFO_IN_TEST_MAX_MISS,
	__IFLA_BRIDGE_MRP_INFO_MAX,
};

#define IFLA_BRIDGE_MRP_INFO_MAX (__IFLA_BRIDGE_MRP_INFO_MAX - 1)

enum {
	IFLA_BRIDGE_MRP_IN_STATE_UNSPEC,
	IFLA_BRIDGE_MRP_IN_STATE_IN_ID,
	IFLA_BRIDGE_MRP_IN_STATE_STATE,
	__IFLA_BRIDGE_MRP_IN_STATE_MAX,
};

#define IFLA_BRIDGE_MRP_IN_STATE_MAX (__IFLA_BRIDGE_MRP_IN_STATE_MAX - 1)

enum {
	IFLA_BRIDGE_MRP_IN_ROLE_UNSPEC,
	IFLA_BRIDGE_MRP_IN_ROLE_RING_ID,
	IFLA_BRIDGE_MRP_IN_ROLE_IN_ID,
	IFLA_BRIDGE_MRP_IN_ROLE_ROLE,
	IFLA_BRIDGE_MRP_IN_ROLE_I_IFINDEX,
	__IFLA_BRIDGE_MRP_IN_ROLE_MAX,
};

#define IFLA_BRIDGE_MRP_IN_ROLE_MAX (__IFLA_BRIDGE_MRP_IN_ROLE_MAX - 1)

enum {
	IFLA_BRIDGE_MRP_START_IN_TEST_UNSPEC,
	IFLA_BRIDGE_MRP_START_IN_TEST_IN_ID,
	IFLA_BRIDGE_MRP_START_IN_TEST_INTERVAL,
	IFLA_BRIDGE_MRP_START_IN_TEST_MAX_MISS,
	IFLA_BRIDGE_MRP_START_IN_TEST_PERIOD,
	__IFLA_BRIDGE_MRP_START_IN_TEST_MAX,
};

#define IFLA_BRIDGE_MRP_START_IN_TEST_MAX (__IFLA_BRIDGE_MRP_START_IN_TEST_MAX - 1)

struct br_mrp_instance {
	__u32 ring_id;
	__u32 p_ifindex;
	__u32 s_ifindex;
	__u16 prio;
};

struct br_mrp_ring_state {
	__u32 ring_id;
	__u32 ring_state;
};

struct br_mrp_ring_role {
	__u32 ring_id;
	__u32 ring_role;
};

struct br_mrp_start_test {
	__u32 ring_id;
	__u32 interval;
	__u32 max_miss;
	__u32 period;
	__u32 monitor;
};

struct br_mrp_in_state {
	__u32 in_state;
	__u16 in_id;
};

struct br_mrp_in_role {
	__u32 ring_id;
	__u32 in_role;
	__u32 i_ifindex;
	__u16 in_id;
};

struct br_mrp_start_in_test {
	__u32 interval;
	__u32 max_miss;
	__u32 period;
	__u16 in_id;
};

enum {
	IFLA_BRIDGE_CFM_UNSPEC,
	IFLA_BRIDGE_CFM_MEP_CREATE,
	IFLA_BRIDGE_CFM_MEP_DELETE,
	IFLA_BRIDGE_CFM_MEP_CONFIG,
	IFLA_BRIDGE_CFM_CC_CONFIG,
	IFLA_BRIDGE_CFM_CC_PEER_MEP_ADD,
	IFLA_BRIDGE_CFM_CC_PEER_MEP_REMOVE,
	IFLA_BRIDGE_CFM_CC_RDI,
	IFLA_BRIDGE_CFM_CC_CCM_TX,
	IFLA_BRIDGE_CFM_MEP_CREATE_INFO,
	IFLA_BRIDGE_CFM_MEP_CONFIG_INFO,
	IFLA_BRIDGE_CFM_CC_CONFIG_INFO,
	IFLA_BRIDGE_CFM_CC_RDI_INFO,
	IFLA_BRIDGE_CFM_CC_CCM_TX_INFO,
	IFLA_BRIDGE_CFM_CC_PEER_MEP_INFO,
	IFLA_BRIDGE_CFM_MEP_STATUS_INFO,
	IFLA_BRIDGE_CFM_CC_PEER_STATUS_INFO,
	__IFLA_BRIDGE_CFM_MAX,
};

#define IFLA_BRIDGE_CFM_MAX (__IFLA_BRIDGE_CFM_MAX - 1)

enum {
	IFLA_BRIDGE_CFM_MEP_CREATE_UNSPEC,
	IFLA_BRIDGE_CFM_MEP_CREATE_INSTANCE,
	IFLA_BRIDGE_CFM_MEP_CREATE_DOMAIN,
	IFLA_BRIDGE_CFM_MEP_CREATE_DIRECTION,
	IFLA_BRIDGE_CFM_MEP_CREATE_IFINDEX,
	__IFLA_BRIDGE_CFM_MEP_CREATE_MAX,
};

#define IFLA_BRIDGE_CFM_MEP_CREATE_MAX (__IFLA_BRIDGE_CFM_MEP_CREATE_MAX - 1)

enum {
	IFLA_BRIDGE_CFM_MEP_DELETE_UNSPEC,
	IFLA_BRIDGE_CFM_MEP_DELETE_INSTANCE,
	__IFLA_BRIDGE_CFM_MEP_DELETE_MAX,
};

#define IFLA_BRIDGE_CFM_MEP_DELETE_MAX (__IFLA_BRIDGE_CFM_MEP_DELETE_MAX - 1)

enum {
	IFLA_BRIDGE_CFM_MEP_CONFIG_UNSPEC,
	IFLA_BRIDGE_CFM_MEP_CONFIG_INSTANCE,
	IFLA_BRIDGE_CFM_MEP_CONFIG_UNICAST_MAC,
	IFLA_BRIDGE_CFM_MEP_CONFIG_MDLEVEL,
	IFLA_BRIDGE_CFM_MEP_CONFIG_MEPID,
	__IFLA_BRIDGE_CFM_MEP_CONFIG_MAX,
};

#define IFLA_BRIDGE_CFM_MEP_CONFIG_MAX (__IFLA_BRIDGE_CFM_MEP_CONFIG_MAX - 1)

enum {
	IFLA_BRIDGE_CFM_CC_CONFIG_UNSPEC,
	IFLA_BRIDGE_CFM_CC_CONFIG_INSTANCE,
	IFLA_BRIDGE_CFM_CC_CONFIG_ENABLE,
	IFLA_BRIDGE_CFM_CC_CONFIG_EXP_INTERVAL,
	IFLA_BRIDGE_CFM_CC_CONFIG_EXP_MAID,
	__IFLA_BRIDGE_CFM_CC_CONFIG_MAX,
};

#define IFLA_BRIDGE_CFM_CC_CONFIG_MAX (__IFLA_BRIDGE_CFM_CC_CONFIG_MAX - 1)

enum {
	IFLA_BRIDGE_CFM_CC_PEER_MEP_UNSPEC,
	IFLA_BRIDGE_CFM_CC_PEER_MEP_INSTANCE,
	IFLA_BRIDGE_CFM_CC_PEER_MEPID,
	__IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX,
};

#define IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX (__IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX - 1)

enum {
	IFLA_BRIDGE_CFM_CC_RDI_UNSPEC,
	IFLA_BRIDGE_CFM_CC_RDI_INSTANCE,
	IFLA_BRIDGE_CFM_CC_RDI_RDI,
	__IFLA_BRIDGE_CFM_CC_RDI_MAX,
};

#define IFLA_BRIDGE_CFM_CC_RDI_MAX (__IFLA_BRIDGE_CFM_CC_RDI_MAX - 1)

enum {
	IFLA_BRIDGE_CFM_CC_CCM_TX_UNSPEC,
	IFLA_BRIDGE_CFM_CC_CCM_TX_INSTANCE,
	IFLA_BRIDGE_CFM_CC_CCM_TX_DMAC,
	IFLA_BRIDGE_CFM_CC_CCM_TX_SEQ_NO_UPDATE,
	IFLA_BRIDGE_CFM_CC_CCM_TX_PERIOD,
	IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV,
	IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV_VALUE,
	IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV,
	IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV_VALUE,
	__IFLA_BRIDGE_CFM_CC_CCM_TX_MAX,
};

#define IFLA_BRIDGE_CFM_CC_CCM_TX_MAX (__IFLA_BRIDGE_CFM_CC_CCM_TX_MAX - 1)

enum {
	IFLA_BRIDGE_CFM_MEP_STATUS_UNSPEC,
	IFLA_BRIDGE_CFM_MEP_STATUS_INSTANCE,
	IFLA_BRIDGE_CFM_MEP_STATUS_OPCODE_UNEXP_SEEN,
	IFLA_BRIDGE_CFM_MEP_STATUS_VERSION_UNEXP_SEEN,
	IFLA_BRIDGE_CFM_MEP_STATUS_RX_LEVEL_LOW_SEEN,
	__IFLA_BRIDGE_CFM_MEP_STATUS_MAX,
};

#define IFLA_BRIDGE_CFM_MEP_STATUS_MAX (__IFLA_BRIDGE_CFM_MEP_STATUS_MAX - 1)

enum {
	IFLA_BRIDGE_CFM_CC_PEER_STATUS_UNSPEC,
	IFLA_BRIDGE_CFM_CC_PEER_STATUS_INSTANCE,
	IFLA_BRIDGE_CFM_CC_PEER_STATUS_PEER_MEPID,
	IFLA_BRIDGE_CFM_CC_PEER_STATUS_CCM_DEFECT,
	IFLA_BRIDGE_CFM_CC_PEER_STATUS_RDI,
	IFLA_BRIDGE_CFM_CC_PEER_STATUS_PORT_TLV_VALUE,
	IFLA_BRIDGE_CFM_CC_PEER_STATUS_IF_TLV_VALUE,
	IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEEN,
	IFLA_BRIDGE_CFM_CC_PEER_STATUS_TLV_SEEN,
	IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEQ_UNEXP_SEEN,
	__IFLA_BRIDGE_CFM_CC_PEER_STATUS_MAX,
};

#define IFLA_BRIDGE_CFM_CC_PEER_STATUS_MAX (__IFLA_BRIDGE_CFM_CC_PEER_STATUS_MAX - 1)

enum {
	IFLA_BRIDGE_MST_UNSPEC,
	IFLA_BRIDGE_MST_ENTRY,
	__IFLA_BRIDGE_MST_MAX,
};
#define IFLA_BRIDGE_MST_MAX (__IFLA_BRIDGE_MST_MAX - 1)

enum {
	IFLA_BRIDGE_MST_ENTRY_UNSPEC,
	IFLA_BRIDGE_MST_ENTRY_MSTI,
	IFLA_BRIDGE_MST_ENTRY_STATE,
	__IFLA_BRIDGE_MST_ENTRY_MAX,
};
#define IFLA_BRIDGE_MST_ENTRY_MAX (__IFLA_BRIDGE_MST_ENTRY_MAX - 1)

struct bridge_stp_xstats {
	__u64 transition_blk;
	__u64 transition_fwd;
	__u64 rx_bpdu;
	__u64 tx_bpdu;
	__u64 rx_tcn;
	__u64 tx_tcn;
};

/* Bridge vlan RTM header */
struct br_vlan_msg {
	__u8 family;
	__u8 reserved1;
	__u16 reserved2;
	__u32 ifindex;
};

enum {
	BRIDGE_VLANDB_DUMP_UNSPEC,
	BRIDGE_VLANDB_DUMP_FLAGS,
	__BRIDGE_VLANDB_DUMP_MAX,
};
#define BRIDGE_VLANDB_DUMP_MAX (__BRIDGE_VLANDB_DUMP_MAX - 1)

/* flags used in BRIDGE_VLANDB_DUMP_FLAGS attribute to affect dumps */
#define BRIDGE_VLANDB_DUMPF_STATS	(1 << 0) /* Include stats in the dump */
#define BRIDGE_VLANDB_DUMPF_GLOBAL	(1 << 1) /* Dump global vlan options only */

/* Bridge vlan RTM attributes
 * [BRIDGE_VLANDB_ENTRY] = {
 *     [BRIDGE_VLANDB_ENTRY_INFO]
 *     ...
 * }
 * [BRIDGE_VLANDB_GLOBAL_OPTIONS] = {
 *     [BRIDGE_VLANDB_GOPTS_ID]
 *     ...
 * }
 */
enum {
	BRIDGE_VLANDB_UNSPEC,
	BRIDGE_VLANDB_ENTRY,
	BRIDGE_VLANDB_GLOBAL_OPTIONS,
	__BRIDGE_VLANDB_MAX,
};
#define BRIDGE_VLANDB_MAX (__BRIDGE_VLANDB_MAX - 1)

enum {
	BRIDGE_VLANDB_ENTRY_UNSPEC,
	BRIDGE_VLANDB_ENTRY_INFO,
	BRIDGE_VLANDB_ENTRY_RANGE,
	BRIDGE_VLANDB_ENTRY_STATE,
	BRIDGE_VLANDB_ENTRY_TUNNEL_INFO,
	BRIDGE_VLANDB_ENTRY_STATS,
	BRIDGE_VLANDB_ENTRY_MCAST_ROUTER,
	__BRIDGE_VLANDB_ENTRY_MAX,
};
#define BRIDGE_VLANDB_ENTRY_MAX (__BRIDGE_VLANDB_ENTRY_MAX - 1)

/* [BRIDGE_VLANDB_ENTRY] = {
 *     [BRIDGE_VLANDB_ENTRY_TUNNEL_INFO] = {
 *         [BRIDGE_VLANDB_TINFO_ID]
 *         ...
 *     }
 * }
 */
enum {
	BRIDGE_VLANDB_TINFO_UNSPEC,
	BRIDGE_VLANDB_TINFO_ID,
	BRIDGE_VLANDB_TINFO_CMD,
	__BRIDGE_VLANDB_TINFO_MAX,
};
#define BRIDGE_VLANDB_TINFO_MAX (__BRIDGE_VLANDB_TINFO_MAX - 1)

/* [BRIDGE_VLANDB_ENTRY] = {
 *     [BRIDGE_VLANDB_ENTRY_STATS] = {
 *         [BRIDGE_VLANDB_STATS_RX_BYTES]
 *         ...
 *     }
 *     ...
 * }
 */
enum {
	BRIDGE_VLANDB_STATS_UNSPEC,
	BRIDGE_VLANDB_STATS_RX_BYTES,
	BRIDGE_VLANDB_STATS_RX_PACKETS,
	BRIDGE_VLANDB_STATS_TX_BYTES,
	BRIDGE_VLANDB_STATS_TX_PACKETS,
	BRIDGE_VLANDB_STATS_PAD,
	__BRIDGE_VLANDB_STATS_MAX,
};
#define BRIDGE_VLANDB_STATS_MAX (__BRIDGE_VLANDB_STATS_MAX - 1)

enum {
	BRIDGE_VLANDB_GOPTS_UNSPEC,
	BRIDGE_VLANDB_GOPTS_ID,
	BRIDGE_VLANDB_GOPTS_RANGE,
	BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING,
	BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION,
	BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION,
	BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT,
	BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_CNT,
	BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_INTVL,
	BRIDGE_VLANDB_GOPTS_PAD,
	BRIDGE_VLANDB_GOPTS_MCAST_MEMBERSHIP_INTVL,
	BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_INTVL,
	BRIDGE_VLANDB_GOPTS_MCAST_QUERY_INTVL,
	BRIDGE_VLANDB_GOPTS_MCAST_QUERY_RESPONSE_INTVL,
	BRIDGE_VLANDB_GOPTS_MCAST_STARTUP_QUERY_INTVL,
	BRIDGE_VLANDB_GOPTS_MCAST_QUERIER,
	BRIDGE_VLANDB_GOPTS_MCAST_ROUTER_PORTS,
	BRIDGE_VLANDB_GOPTS_MCAST_QUERIER_STATE,
	BRIDGE_VLANDB_GOPTS_MSTI,
	__BRIDGE_VLANDB_GOPTS_MAX
};
#define BRIDGE_VLANDB_GOPTS_MAX (__BRIDGE_VLANDB_GOPTS_MAX - 1)

/* Bridge multicast database attributes
 * [MDBA_MDB] = {
 *     [MDBA_MDB_ENTRY] = {
 *         [MDBA_MDB_ENTRY_INFO] {
 *		struct br_mdb_entry
 *		[MDBA_MDB_EATTR attributes]
 *         }
 *     }
 * }
 * [MDBA_ROUTER] = {
 *    [MDBA_ROUTER_PORT] = {
 *        u32 ifindex
 *        [MDBA_ROUTER_PATTR attributes]
 *    }
 * }
 */
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)

/* per mdb entry additional attributes */
enum {
	MDBA_MDB_EATTR_UNSPEC,
	MDBA_MDB_EATTR_TIMER,
	MDBA_MDB_EATTR_SRC_LIST,
	MDBA_MDB_EATTR_GROUP_MODE,
	MDBA_MDB_EATTR_SOURCE,
	MDBA_MDB_EATTR_RTPROT,
	__MDBA_MDB_EATTR_MAX
};
#define MDBA_MDB_EATTR_MAX (__MDBA_MDB_EATTR_MAX - 1)

/* per mdb entry source */
enum {
	MDBA_MDB_SRCLIST_UNSPEC,
	MDBA_MDB_SRCLIST_ENTRY,
	__MDBA_MDB_SRCLIST_MAX
};
#define MDBA_MDB_SRCLIST_MAX (__MDBA_MDB_SRCLIST_MAX - 1)

/* per mdb entry per source attributes
 * these are embedded in MDBA_MDB_SRCLIST_ENTRY
 */
enum {
	MDBA_MDB_SRCATTR_UNSPEC,
	MDBA_MDB_SRCATTR_ADDRESS,
	MDBA_MDB_SRCATTR_TIMER,
	__MDBA_MDB_SRCATTR_MAX
};
#define MDBA_MDB_SRCATTR_MAX (__MDBA_MDB_SRCATTR_MAX - 1)

/* multicast router types */
enum {
	MDB_RTR_TYPE_DISABLED,
	MDB_RTR_TYPE_TEMP_QUERY,
	MDB_RTR_TYPE_PERM,
	MDB_RTR_TYPE_TEMP
};

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

/* router port attributes */
enum {
	MDBA_ROUTER_PATTR_UNSPEC,
	MDBA_ROUTER_PATTR_TIMER,
	MDBA_ROUTER_PATTR_TYPE,
	MDBA_ROUTER_PATTR_INET_TIMER,
	MDBA_ROUTER_PATTR_INET6_TIMER,
	MDBA_ROUTER_PATTR_VID,
	__MDBA_ROUTER_PATTR_MAX
};
#define MDBA_ROUTER_PATTR_MAX (__MDBA_ROUTER_PATTR_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;
#define MDB_FLAGS_OFFLOAD	(1 << 0)
#define MDB_FLAGS_FAST_LEAVE	(1 << 1)
#define MDB_FLAGS_STAR_EXCL	(1 << 2)
#define MDB_FLAGS_BLOCKED	(1 << 3)
	__u8 flags;
	__u16 vid;
	struct {
		union {
			__be32	ip4;
			struct in6_addr ip6;
			unsigned char mac_addr[ETH_ALEN];
		} u;
		__be16		proto;
	} addr;
};

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

/* [MDBA_SET_ENTRY_ATTRS] = {
 *    [MDBE_ATTR_xxx]
 *    ...
 * }
 */
enum {
	MDBE_ATTR_UNSPEC,
	MDBE_ATTR_SOURCE,
	__MDBE_ATTR_MAX,
};
#define MDBE_ATTR_MAX (__MDBE_ATTR_MAX - 1)

/* Embedded inside LINK_XSTATS_TYPE_BRIDGE */
enum {
	BRIDGE_XSTATS_UNSPEC,
	BRIDGE_XSTATS_VLAN,
	BRIDGE_XSTATS_MCAST,
	BRIDGE_XSTATS_PAD,
	BRIDGE_XSTATS_STP,
	__BRIDGE_XSTATS_MAX
};
#define BRIDGE_XSTATS_MAX (__BRIDGE_XSTATS_MAX - 1)

enum {
	BR_MCAST_DIR_RX,
	BR_MCAST_DIR_TX,
	BR_MCAST_DIR_SIZE
};

/* IGMP/MLD statistics */
struct br_mcast_stats {
	__u64 igmp_v1queries[BR_MCAST_DIR_SIZE];
	__u64 igmp_v2queries[BR_MCAST_DIR_SIZE];
	__u64 igmp_v3queries[BR_MCAST_DIR_SIZE];
	__u64 igmp_leaves[BR_MCAST_DIR_SIZE];
	__u64 igmp_v1reports[BR_MCAST_DIR_SIZE];
	__u64 igmp_v2reports[BR_MCAST_DIR_SIZE];
	__u64 igmp_v3reports[BR_MCAST_DIR_SIZE];
	__u64 igmp_parse_errors;

__u64 mld_v1queries[BR_MCAST_DIR_SIZE];
	__u64 mld_v2queries[BR_MCAST_DIR_SIZE];
	__u64 mld_leaves[BR_MCAST_DIR_SIZE];
	__u64 mld_v1reports[BR_MCAST_DIR_SIZE];
	__u64 mld_v2reports[BR_MCAST_DIR_SIZE];
	__u64 mld_parse_errors;

__u64 mcast_bytes[BR_MCAST_DIR_SIZE];
	__u64 mcast_packets[BR_MCAST_DIR_SIZE];
};

/* bridge boolean options
 * BR_BOOLOPT_NO_LL_LEARN - disable learning from link-local packets
 * BR_BOOLOPT_MCAST_VLAN_SNOOPING - control vlan multicast snooping
 *
 * IMPORTANT: if adding a new option do not forget to handle
 *            it in br_boolopt_toggle/get and bridge sysfs
 */
enum br_boolopt_id {
	BR_BOOLOPT_NO_LL_LEARN,
	BR_BOOLOPT_MCAST_VLAN_SNOOPING,
	BR_BOOLOPT_MST_ENABLE,
	BR_BOOLOPT_MAX
};

/* struct br_boolopt_multi - change multiple bridge boolean options
 *
 * @optval: new option values (bit per option)
 * @optmask: options to change (bit per option)
 */
struct br_boolopt_multi {
	__u32 optval;
	__u32 optmask;
};

enum {
	BRIDGE_QUERIER_UNSPEC,
	BRIDGE_QUERIER_IP_ADDRESS,
	BRIDGE_QUERIER_IP_PORT,
	BRIDGE_QUERIER_IP_OTHER_TIMER,
	BRIDGE_QUERIER_PAD,
	BRIDGE_QUERIER_IPV6_ADDRESS,
	BRIDGE_QUERIER_IPV6_PORT,
	BRIDGE_QUERIER_IPV6_OTHER_TIMER,
	__BRIDGE_QUERIER_MAX
};
#define BRIDGE_QUERIER_MAX (__BRIDGE_QUERIER_MAX - 1)
#endif /* _LINUX_IF_BRIDGE_H */

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✏️ if_bridge.h