1 /* 2 * Linux ethernet bridge 3 * 4 * Authors: 5 * Lennert Buytenhek <buytenh@gnu.org> 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 #include <linux/if_ether.h> 18 #include <linux/in6.h> 19 20 #define SYSFS_BRIDGE_ATTR "bridge" 21 #define SYSFS_BRIDGE_FDB "brforward" 22 #define SYSFS_BRIDGE_PORT_SUBDIR "brif" 23 #define SYSFS_BRIDGE_PORT_ATTR "brport" 24 #define SYSFS_BRIDGE_PORT_LINK "bridge" 25 26 #define BRCTL_VERSION 1 27 28 #define BRCTL_GET_VERSION 0 29 #define BRCTL_GET_BRIDGES 1 30 #define BRCTL_ADD_BRIDGE 2 31 #define BRCTL_DEL_BRIDGE 3 32 #define BRCTL_ADD_IF 4 33 #define BRCTL_DEL_IF 5 34 #define BRCTL_GET_BRIDGE_INFO 6 35 #define BRCTL_GET_PORT_LIST 7 36 #define BRCTL_SET_BRIDGE_FORWARD_DELAY 8 37 #define BRCTL_SET_BRIDGE_HELLO_TIME 9 38 #define BRCTL_SET_BRIDGE_MAX_AGE 10 39 #define BRCTL_SET_AGEING_TIME 11 40 #define BRCTL_SET_GC_INTERVAL 12 41 #define BRCTL_GET_PORT_INFO 13 42 #define BRCTL_SET_BRIDGE_STP_STATE 14 43 #define BRCTL_SET_BRIDGE_PRIORITY 15 44 #define BRCTL_SET_PORT_PRIORITY 16 45 #define BRCTL_SET_PATH_COST 17 46 #define BRCTL_GET_FDB_ENTRIES 18 47 48 #define BR_STATE_DISABLED 0 49 #define BR_STATE_LISTENING 1 50 #define BR_STATE_LEARNING 2 51 #define BR_STATE_FORWARDING 3 52 #define BR_STATE_BLOCKING 4 53 54 struct __bridge_info { 55 __u64 designated_root; 56 __u64 bridge_id; 57 __u32 root_path_cost; 58 __u32 max_age; 59 __u32 hello_time; 60 __u32 forward_delay; 61 __u32 bridge_max_age; 62 __u32 bridge_hello_time; 63 __u32 bridge_forward_delay; 64 __u8 topology_change; 65 __u8 topology_change_detected; 66 __u8 root_port; 67 __u8 stp_enabled; 68 __u32 ageing_time; 69 __u32 gc_interval; 70 __u32 hello_timer_value; 71 __u32 tcn_timer_value; 72 __u32 topology_change_timer_value; 73 __u32 gc_timer_value; 74 }; 75 76 struct __port_info { 77 __u64 designated_root; 78 __u64 designated_bridge; 79 __u16 port_id; 80 __u16 designated_port; 81 __u32 path_cost; 82 __u32 designated_cost; 83 __u8 state; 84 __u8 top_change_ack; 85 __u8 config_pending; 86 __u8 unused0; 87 __u32 message_age_timer_value; 88 __u32 forward_delay_timer_value; 89 __u32 hold_timer_value; 90 }; 91 92 struct __fdb_entry { 93 __u8 mac_addr[ETH_ALEN]; 94 __u8 port_no; 95 __u8 is_local; 96 __u32 ageing_timer_value; 97 __u8 port_hi; 98 __u8 pad0; 99 __u16 unused; 100 }; 101 102 /* Bridge Flags */ 103 #define BRIDGE_FLAGS_MASTER 1 /* Bridge command to/from master */ 104 #define BRIDGE_FLAGS_SELF 2 /* Bridge command to/from lowerdev */ 105 106 #define BRIDGE_MODE_VEB 0 /* Default loopback mode */ 107 #define BRIDGE_MODE_VEPA 1 /* 802.1Qbg defined VEPA mode */ 108 109 /* Bridge management nested attributes 110 * [IFLA_AF_SPEC] = { 111 * [IFLA_BRIDGE_FLAGS] 112 * [IFLA_BRIDGE_MODE] 113 * [IFLA_BRIDGE_VLAN_INFO] 114 * } 115 */ 116 enum { 117 IFLA_BRIDGE_FLAGS, 118 IFLA_BRIDGE_MODE, 119 IFLA_BRIDGE_VLAN_INFO, 120 __IFLA_BRIDGE_MAX, 121 }; 122 #define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1) 123 124 #define BRIDGE_VLAN_INFO_MASTER (1<<0) /* Operate on Bridge device as well */ 125 #define BRIDGE_VLAN_INFO_PVID (1<<1) /* VLAN is PVID, ingress untagged */ 126 #define BRIDGE_VLAN_INFO_UNTAGGED (1<<2) /* VLAN egresses untagged */ 127 128 struct bridge_vlan_info { 129 __u16 flags; 130 __u16 vid; 131 }; 132 133 /* Bridge multicast database attributes 134 * [MDBA_MDB] = { 135 * [MDBA_MDB_ENTRY] = { 136 * [MDBA_MDB_ENTRY_INFO] 137 * } 138 * } 139 * [MDBA_ROUTER] = { 140 * [MDBA_ROUTER_PORT] 141 * } 142 */ 143 enum { 144 MDBA_UNSPEC, 145 MDBA_MDB, 146 MDBA_ROUTER, 147 __MDBA_MAX, 148 }; 149 #define MDBA_MAX (__MDBA_MAX - 1) 150 151 enum { 152 MDBA_MDB_UNSPEC, 153 MDBA_MDB_ENTRY, 154 __MDBA_MDB_MAX, 155 }; 156 #define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1) 157 158 enum { 159 MDBA_MDB_ENTRY_UNSPEC, 160 MDBA_MDB_ENTRY_INFO, 161 __MDBA_MDB_ENTRY_MAX, 162 }; 163 #define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1) 164 165 enum { 166 MDBA_ROUTER_UNSPEC, 167 MDBA_ROUTER_PORT, 168 __MDBA_ROUTER_MAX, 169 }; 170 #define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1) 171 172 struct br_port_msg { 173 __u8 family; 174 __u32 ifindex; 175 }; 176 177 struct br_mdb_entry { 178 __u32 ifindex; 179 #define MDB_TEMPORARY 0 180 #define MDB_PERMANENT 1 181 __u8 state; 182 struct { 183 union { 184 __be32 ip4; 185 struct in6_addr ip6; 186 } u; 187 __be16 proto; 188 } addr; 189 }; 190 191 enum { 192 MDBA_SET_ENTRY_UNSPEC, 193 MDBA_SET_ENTRY, 194 __MDBA_SET_ENTRY_MAX, 195 }; 196 #define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1) 197 198 #endif /* _UAPI_LINUX_IF_BRIDGE_H */ 199