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