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295 lines
6.5 KiB
C
295 lines
6.5 KiB
C
/*
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* Linux ethernet bridge
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*
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* Authors:
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* Lennert Buytenhek <buytenh@gnu.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _LINUX_IF_BRIDGE_H
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#define _LINUX_IF_BRIDGE_H
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#include <linux/types.h>
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#include <linux/if_ether.h>
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#include <linux/in6.h>
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#define SYSFS_BRIDGE_ATTR "bridge"
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#define SYSFS_BRIDGE_FDB "brforward"
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#define SYSFS_BRIDGE_PORT_SUBDIR "brif"
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#define SYSFS_BRIDGE_PORT_ATTR "brport"
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#define SYSFS_BRIDGE_PORT_LINK "bridge"
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#define BRCTL_VERSION 1
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#define BRCTL_GET_VERSION 0
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#define BRCTL_GET_BRIDGES 1
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#define BRCTL_ADD_BRIDGE 2
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#define BRCTL_DEL_BRIDGE 3
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#define BRCTL_ADD_IF 4
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#define BRCTL_DEL_IF 5
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#define BRCTL_GET_BRIDGE_INFO 6
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#define BRCTL_GET_PORT_LIST 7
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#define BRCTL_SET_BRIDGE_FORWARD_DELAY 8
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#define BRCTL_SET_BRIDGE_HELLO_TIME 9
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#define BRCTL_SET_BRIDGE_MAX_AGE 10
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#define BRCTL_SET_AGEING_TIME 11
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#define BRCTL_SET_GC_INTERVAL 12
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#define BRCTL_GET_PORT_INFO 13
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#define BRCTL_SET_BRIDGE_STP_STATE 14
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#define BRCTL_SET_BRIDGE_PRIORITY 15
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#define BRCTL_SET_PORT_PRIORITY 16
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#define BRCTL_SET_PATH_COST 17
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#define BRCTL_GET_FDB_ENTRIES 18
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#define BR_STATE_DISABLED 0
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#define BR_STATE_LISTENING 1
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#define BR_STATE_LEARNING 2
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#define BR_STATE_FORWARDING 3
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#define BR_STATE_BLOCKING 4
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struct __bridge_info {
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__u64 designated_root;
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__u64 bridge_id;
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__u32 root_path_cost;
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__u32 max_age;
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__u32 hello_time;
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__u32 forward_delay;
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__u32 bridge_max_age;
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__u32 bridge_hello_time;
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__u32 bridge_forward_delay;
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__u8 topology_change;
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__u8 topology_change_detected;
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__u8 root_port;
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__u8 stp_enabled;
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__u32 ageing_time;
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__u32 gc_interval;
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__u32 hello_timer_value;
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__u32 tcn_timer_value;
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__u32 topology_change_timer_value;
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__u32 gc_timer_value;
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};
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struct __port_info {
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__u64 designated_root;
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__u64 designated_bridge;
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__u16 port_id;
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__u16 designated_port;
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__u32 path_cost;
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__u32 designated_cost;
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__u8 state;
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__u8 top_change_ack;
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__u8 config_pending;
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__u8 unused0;
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__u32 message_age_timer_value;
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__u32 forward_delay_timer_value;
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__u32 hold_timer_value;
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};
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struct __fdb_entry {
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__u8 mac_addr[ETH_ALEN];
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__u8 port_no;
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__u8 is_local;
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__u32 ageing_timer_value;
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__u8 port_hi;
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__u8 pad0;
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__u16 unused;
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};
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/* Bridge Flags */
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#define BRIDGE_FLAGS_MASTER 1 /* Bridge command to/from master */
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#define BRIDGE_FLAGS_SELF 2 /* Bridge command to/from lowerdev */
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#define BRIDGE_MODE_VEB 0 /* Default loopback mode */
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#define BRIDGE_MODE_VEPA 1 /* 802.1Qbg defined VEPA mode */
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#define BRIDGE_MODE_UNDEF 0xFFFF /* mode undefined */
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/* Bridge management nested attributes
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* [IFLA_AF_SPEC] = {
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* [IFLA_BRIDGE_FLAGS]
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* [IFLA_BRIDGE_MODE]
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* [IFLA_BRIDGE_VLAN_INFO]
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* }
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*/
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enum {
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IFLA_BRIDGE_FLAGS,
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IFLA_BRIDGE_MODE,
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IFLA_BRIDGE_VLAN_INFO,
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IFLA_BRIDGE_VLAN_TUNNEL_INFO,
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__IFLA_BRIDGE_MAX,
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};
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#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
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#define BRIDGE_VLAN_INFO_MASTER (1<<0) /* Operate on Bridge device as well */
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#define BRIDGE_VLAN_INFO_PVID (1<<1) /* VLAN is PVID, ingress untagged */
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#define BRIDGE_VLAN_INFO_UNTAGGED (1<<2) /* VLAN egresses untagged */
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#define BRIDGE_VLAN_INFO_RANGE_BEGIN (1<<3) /* VLAN is start of vlan range */
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#define BRIDGE_VLAN_INFO_RANGE_END (1<<4) /* VLAN is end of vlan range */
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#define BRIDGE_VLAN_INFO_BRENTRY (1<<5) /* Global bridge VLAN entry */
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struct bridge_vlan_info {
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__u16 flags;
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__u16 vid;
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};
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enum {
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IFLA_BRIDGE_VLAN_TUNNEL_UNSPEC,
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IFLA_BRIDGE_VLAN_TUNNEL_ID,
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IFLA_BRIDGE_VLAN_TUNNEL_VID,
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IFLA_BRIDGE_VLAN_TUNNEL_FLAGS,
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__IFLA_BRIDGE_VLAN_TUNNEL_MAX,
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};
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#define IFLA_BRIDGE_VLAN_TUNNEL_MAX (__IFLA_BRIDGE_VLAN_TUNNEL_MAX - 1)
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struct bridge_vlan_xstats {
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__u64 rx_bytes;
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__u64 rx_packets;
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__u64 tx_bytes;
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__u64 tx_packets;
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__u16 vid;
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__u16 flags;
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__u32 pad2;
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};
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/* Bridge multicast database attributes
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* [MDBA_MDB] = {
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* [MDBA_MDB_ENTRY] = {
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* [MDBA_MDB_ENTRY_INFO] {
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* struct br_mdb_entry
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* [MDBA_MDB_EATTR attributes]
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* }
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* }
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* }
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* [MDBA_ROUTER] = {
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* [MDBA_ROUTER_PORT] = {
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* u32 ifindex
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* [MDBA_ROUTER_PATTR attributes]
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* }
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* }
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*/
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enum {
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MDBA_UNSPEC,
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MDBA_MDB,
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MDBA_ROUTER,
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__MDBA_MAX,
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};
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#define MDBA_MAX (__MDBA_MAX - 1)
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enum {
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MDBA_MDB_UNSPEC,
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MDBA_MDB_ENTRY,
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__MDBA_MDB_MAX,
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};
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#define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1)
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enum {
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MDBA_MDB_ENTRY_UNSPEC,
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MDBA_MDB_ENTRY_INFO,
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__MDBA_MDB_ENTRY_MAX,
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};
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#define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1)
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/* per mdb entry additional attributes */
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enum {
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MDBA_MDB_EATTR_UNSPEC,
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MDBA_MDB_EATTR_TIMER,
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__MDBA_MDB_EATTR_MAX
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};
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#define MDBA_MDB_EATTR_MAX (__MDBA_MDB_EATTR_MAX - 1)
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/* multicast router types */
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enum {
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MDB_RTR_TYPE_DISABLED,
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MDB_RTR_TYPE_TEMP_QUERY,
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MDB_RTR_TYPE_PERM,
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MDB_RTR_TYPE_TEMP
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};
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enum {
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MDBA_ROUTER_UNSPEC,
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MDBA_ROUTER_PORT,
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__MDBA_ROUTER_MAX,
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};
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#define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1)
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/* router port attributes */
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enum {
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MDBA_ROUTER_PATTR_UNSPEC,
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MDBA_ROUTER_PATTR_TIMER,
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MDBA_ROUTER_PATTR_TYPE,
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__MDBA_ROUTER_PATTR_MAX
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};
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#define MDBA_ROUTER_PATTR_MAX (__MDBA_ROUTER_PATTR_MAX - 1)
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struct br_port_msg {
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__u8 family;
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__u32 ifindex;
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};
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struct br_mdb_entry {
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__u32 ifindex;
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#define MDB_TEMPORARY 0
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#define MDB_PERMANENT 1
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__u8 state;
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#define MDB_FLAGS_OFFLOAD (1 << 0)
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__u8 flags;
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__u16 vid;
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struct {
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union {
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__be32 ip4;
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struct in6_addr ip6;
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} u;
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__be16 proto;
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} addr;
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};
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enum {
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MDBA_SET_ENTRY_UNSPEC,
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MDBA_SET_ENTRY,
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__MDBA_SET_ENTRY_MAX,
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};
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#define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1)
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/* Embedded inside LINK_XSTATS_TYPE_BRIDGE */
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enum {
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BRIDGE_XSTATS_UNSPEC,
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BRIDGE_XSTATS_VLAN,
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BRIDGE_XSTATS_MCAST,
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BRIDGE_XSTATS_PAD,
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__BRIDGE_XSTATS_MAX
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};
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#define BRIDGE_XSTATS_MAX (__BRIDGE_XSTATS_MAX - 1)
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enum {
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BR_MCAST_DIR_RX,
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BR_MCAST_DIR_TX,
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BR_MCAST_DIR_SIZE
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};
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/* IGMP/MLD statistics */
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struct br_mcast_stats {
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__u64 igmp_v1queries[BR_MCAST_DIR_SIZE];
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__u64 igmp_v2queries[BR_MCAST_DIR_SIZE];
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__u64 igmp_v3queries[BR_MCAST_DIR_SIZE];
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__u64 igmp_leaves[BR_MCAST_DIR_SIZE];
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__u64 igmp_v1reports[BR_MCAST_DIR_SIZE];
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__u64 igmp_v2reports[BR_MCAST_DIR_SIZE];
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__u64 igmp_v3reports[BR_MCAST_DIR_SIZE];
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__u64 igmp_parse_errors;
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__u64 mld_v1queries[BR_MCAST_DIR_SIZE];
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__u64 mld_v2queries[BR_MCAST_DIR_SIZE];
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__u64 mld_leaves[BR_MCAST_DIR_SIZE];
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__u64 mld_v1reports[BR_MCAST_DIR_SIZE];
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__u64 mld_v2reports[BR_MCAST_DIR_SIZE];
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__u64 mld_parse_errors;
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__u64 mcast_bytes[BR_MCAST_DIR_SIZE];
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__u64 mcast_packets[BR_MCAST_DIR_SIZE];
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};
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#endif /* _LINUX_IF_BRIDGE_H */
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