| /* |
| * 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_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; |
| }; |
| |
| struct bridge_vlan_xstats { |
| __u64 rx_bytes; |
| __u64 rx_packets; |
| __u64 tx_bytes; |
| __u64 tx_packets; |
| __u16 vid; |
| __u16 pad1; |
| __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_queries[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_queries[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 */ |