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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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a580c76d53
The first per-vlan option added is state, it is needed for EVPN and for per-vlan STP. The state allows to control the forwarding on per-vlan basis. The vlan state is considered only if the port state is forwarding in order to avoid conflicts and be consistent. br_allowed_egress is called only when the state is forwarding, but the ingress case is a bit more complicated due to the fact that we may have the transition between port:BR_STATE_FORWARDING -> vlan:BR_STATE_LEARNING which should still allow the bridge to learn from the packet after vlan filtering and it will be dropped after that. Also to optimize the pvid state check we keep a copy in the vlan group to avoid one lookup. The state members are modified with *_ONCE() to annotate the lockless access. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
359 lines
7.9 KiB
C
359 lines
7.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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/*
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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 _UAPI_LINUX_IF_BRIDGE_H
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#define _UAPI_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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#define BRIDGE_VLAN_INFO_ONLY_OPTS (1<<6) /* Skip create/delete/flags */
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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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struct bridge_stp_xstats {
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__u64 transition_blk;
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__u64 transition_fwd;
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__u64 rx_bpdu;
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__u64 tx_bpdu;
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__u64 rx_tcn;
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__u64 tx_tcn;
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};
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/* Bridge vlan RTM header */
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struct br_vlan_msg {
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__u8 family;
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__u8 reserved1;
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__u16 reserved2;
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__u32 ifindex;
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};
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/* Bridge vlan RTM attributes
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* [BRIDGE_VLANDB_ENTRY] = {
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* [BRIDGE_VLANDB_ENTRY_INFO]
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* ...
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* }
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*/
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enum {
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BRIDGE_VLANDB_UNSPEC,
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BRIDGE_VLANDB_ENTRY,
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__BRIDGE_VLANDB_MAX,
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};
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#define BRIDGE_VLANDB_MAX (__BRIDGE_VLANDB_MAX - 1)
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enum {
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BRIDGE_VLANDB_ENTRY_UNSPEC,
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BRIDGE_VLANDB_ENTRY_INFO,
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BRIDGE_VLANDB_ENTRY_RANGE,
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BRIDGE_VLANDB_ENTRY_STATE,
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__BRIDGE_VLANDB_ENTRY_MAX,
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};
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#define BRIDGE_VLANDB_ENTRY_MAX (__BRIDGE_VLANDB_ENTRY_MAX - 1)
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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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#define MDB_FLAGS_FAST_LEAVE (1 << 1)
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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_STP,
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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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/* bridge boolean options
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* BR_BOOLOPT_NO_LL_LEARN - disable learning from link-local packets
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*
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* IMPORTANT: if adding a new option do not forget to handle
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* it in br_boolopt_toggle/get and bridge sysfs
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*/
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enum br_boolopt_id {
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BR_BOOLOPT_NO_LL_LEARN,
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BR_BOOLOPT_MAX
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};
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/* struct br_boolopt_multi - change multiple bridge boolean options
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*
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* @optval: new option values (bit per option)
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* @optmask: options to change (bit per option)
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*/
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struct br_boolopt_multi {
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__u32 optval;
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__u32 optmask;
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};
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#endif /* _UAPI_LINUX_IF_BRIDGE_H */
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