Filename: ///usr/////include//linux/if_bridge.h

/* 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_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; }; 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 */ /* Bridge vlan RTM attributes * [BRIDGE_VLANDB_ENTRY] = { * [BRIDGE_VLANDB_ENTRY_INFO] * ... * } */ enum { BRIDGE_VLANDB_UNSPEC, BRIDGE_VLANDB_ENTRY, __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_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) /* 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_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; } 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 * * 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_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; }; #endif /* _LINUX_IF_BRIDGE_H */

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