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/* * 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/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[6]; __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_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 */ 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; }; /* 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_MAX }; #define MDBA_MDB_EATTR_MAX (__MDBA_MDB_EATTR_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) __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_MAX, }; #define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1) /* Embedded inside LINK_XSTATS_TYPE_BRIDGE */ enum { BRIDGE_XSTATS_UNSPEC, BRIDGE_XSTATS_VLAN, BRIDGE_XSTATS_MCAST, BRIDGE_XSTATS_PAD, __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]; }; #endif /* _LINUX_IF_BRIDGE_H */