1 /* 2 * Linux ethernet bridge 3 * 4 * Authors: 5 * Lennert Buytenhek <[email protected]> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 10 * 2 of the License, or (at your option) any later version. 11 */ 12 13 #ifndef _UAPI_LINUX_IF_BRIDGE_H 14 #define _UAPI_LINUX_IF_BRIDGE_H 15 16 #include <linux/types.h> 17 18 #define SYSFS_BRIDGE_ATTR "bridge" 19 #define SYSFS_BRIDGE_FDB "brforward" 20 #define SYSFS_BRIDGE_PORT_SUBDIR "brif" 21 #define SYSFS_BRIDGE_PORT_ATTR "brport" 22 #define SYSFS_BRIDGE_PORT_LINK "bridge" 23 24 #define BRCTL_VERSION 1 25 26 #define BRCTL_GET_VERSION 0 27 #define BRCTL_GET_BRIDGES 1 28 #define BRCTL_ADD_BRIDGE 2 29 #define BRCTL_DEL_BRIDGE 3 30 #define BRCTL_ADD_IF 4 31 #define BRCTL_DEL_IF 5 32 #define BRCTL_GET_BRIDGE_INFO 6 33 #define BRCTL_GET_PORT_LIST 7 34 #define BRCTL_SET_BRIDGE_FORWARD_DELAY 8 35 #define BRCTL_SET_BRIDGE_HELLO_TIME 9 36 #define BRCTL_SET_BRIDGE_MAX_AGE 10 37 #define BRCTL_SET_AGEING_TIME 11 38 #define BRCTL_SET_GC_INTERVAL 12 39 #define BRCTL_GET_PORT_INFO 13 40 #define BRCTL_SET_BRIDGE_STP_STATE 14 41 #define BRCTL_SET_BRIDGE_PRIORITY 15 42 #define BRCTL_SET_PORT_PRIORITY 16 43 #define BRCTL_SET_PATH_COST 17 44 #define BRCTL_GET_FDB_ENTRIES 18 45 46 #define BR_STATE_DISABLED 0 47 #define BR_STATE_LISTENING 1 48 #define BR_STATE_LEARNING 2 49 #define BR_STATE_FORWARDING 3 50 #define BR_STATE_BLOCKING 4 51 52 struct __bridge_info { 53 __u64 designated_root; 54 __u64 bridge_id; 55 __u32 root_path_cost; 56 __u32 max_age; 57 __u32 hello_time; 58 __u32 forward_delay; 59 __u32 bridge_max_age; 60 __u32 bridge_hello_time; 61 __u32 bridge_forward_delay; 62 __u8 topology_change; 63 __u8 topology_change_detected; 64 __u8 root_port; 65 __u8 stp_enabled; 66 __u32 ageing_time; 67 __u32 gc_interval; 68 __u32 hello_timer_value; 69 __u32 tcn_timer_value; 70 __u32 topology_change_timer_value; 71 __u32 gc_timer_value; 72 }; 73 74 struct __port_info { 75 __u64 designated_root; 76 __u64 designated_bridge; 77 __u16 port_id; 78 __u16 designated_port; 79 __u32 path_cost; 80 __u32 designated_cost; 81 __u8 state; 82 __u8 top_change_ack; 83 __u8 config_pending; 84 __u8 unused0; 85 __u32 message_age_timer_value; 86 __u32 forward_delay_timer_value; 87 __u32 hold_timer_value; 88 }; 89 90 struct __fdb_entry { 91 __u8 mac_addr[6]; 92 __u8 port_no; 93 __u8 is_local; 94 __u32 ageing_timer_value; 95 __u8 port_hi; 96 __u8 pad0; 97 __u16 unused; 98 }; 99 100 /* Bridge Flags */ 101 #define BRIDGE_FLAGS_MASTER 1 /* Bridge command to/from master */ 102 #define BRIDGE_FLAGS_SELF 2 /* Bridge command to/from lowerdev */ 103 104 #define BRIDGE_MODE_VEB 0 /* Default loopback mode */ 105 #define BRIDGE_MODE_VEPA 1 /* 802.1Qbg defined VEPA mode */ 106 107 /* Bridge management nested attributes 108 * [IFLA_AF_SPEC] = { 109 * [IFLA_BRIDGE_FLAGS] 110 * [IFLA_BRIDGE_MODE] 111 * [IFLA_BRIDGE_VLAN_INFO] 112 * } 113 */ 114 enum { 115 IFLA_BRIDGE_FLAGS, 116 IFLA_BRIDGE_MODE, 117 IFLA_BRIDGE_VLAN_INFO, 118 __IFLA_BRIDGE_MAX, 119 }; 120 #define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1) 121 122 #define BRIDGE_VLAN_INFO_MASTER (1<<0) /* Operate on Bridge device as well */ 123 #define BRIDGE_VLAN_INFO_PVID (1<<1) /* VLAN is PVID, ingress untagged */ 124 #define BRIDGE_VLAN_INFO_UNTAGGED (1<<2) /* VLAN egresses untagged */ 125 126 struct bridge_vlan_info { 127 __u16 flags; 128 __u16 vid; 129 }; 130 131 /* Bridge multicast database attributes 132 * [MDBA_MDB] = { 133 * [MDBA_MDB_ENTRY] = { 134 * [MDBA_MDB_ENTRY_INFO] 135 * } 136 * } 137 * [MDBA_ROUTER] = { 138 * [MDBA_ROUTER_PORT] 139 * } 140 */ 141 enum { 142 MDBA_UNSPEC, 143 MDBA_MDB, 144 MDBA_ROUTER, 145 __MDBA_MAX, 146 }; 147 #define MDBA_MAX (__MDBA_MAX - 1) 148 149 enum { 150 MDBA_MDB_UNSPEC, 151 MDBA_MDB_ENTRY, 152 __MDBA_MDB_MAX, 153 }; 154 #define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1) 155 156 enum { 157 MDBA_MDB_ENTRY_UNSPEC, 158 MDBA_MDB_ENTRY_INFO, 159 __MDBA_MDB_ENTRY_MAX, 160 }; 161 #define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1) 162 163 enum { 164 MDBA_ROUTER_UNSPEC, 165 MDBA_ROUTER_PORT, 166 __MDBA_ROUTER_MAX, 167 }; 168 #define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1) 169 170 struct br_port_msg { 171 __u8 family; 172 __u32 ifindex; 173 }; 174 175 struct br_mdb_entry { 176 __u32 ifindex; 177 #define MDB_TEMPORARY 0 178 #define MDB_PERMANENT 1 179 __u8 state; 180 struct { 181 union { 182 __be32 ip4; 183 struct in6_addr ip6; 184 } u; 185 __be16 proto; 186 } addr; 187 }; 188 189 enum { 190 MDBA_SET_ENTRY_UNSPEC, 191 MDBA_SET_ENTRY, 192 __MDBA_SET_ENTRY_MAX, 193 }; 194 #define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1) 195 196 #endif /* _UAPI_LINUX_IF_BRIDGE_H */ 197