if_bridge.h revision ccfaccd726a369b7df72e251710755233d176e5a 
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
54struct __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
76struct __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
92struct __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#define BRIDGE_MODE_UNDEF	0xFFFF  /* mode undefined */
109
110/* Bridge management nested attributes
111 * [IFLA_AF_SPEC] = {
112 *     [IFLA_BRIDGE_FLAGS]
113 *     [IFLA_BRIDGE_MODE]
114 *     [IFLA_BRIDGE_VLAN_INFO]
115 * }
116 */
117enum {
118	IFLA_BRIDGE_FLAGS,
119	IFLA_BRIDGE_MODE,
120	IFLA_BRIDGE_VLAN_INFO,
121	__IFLA_BRIDGE_MAX,
122};
123#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
124
125#define BRIDGE_VLAN_INFO_MASTER	(1<<0)	/* Operate on Bridge device as well */
126#define BRIDGE_VLAN_INFO_PVID	(1<<1)	/* VLAN is PVID, ingress untagged */
127#define BRIDGE_VLAN_INFO_UNTAGGED	(1<<2)	/* VLAN egresses untagged */
128#define BRIDGE_VLAN_INFO_RANGE_BEGIN	(1<<3) /* VLAN is start of vlan range */
129#define BRIDGE_VLAN_INFO_RANGE_END	(1<<4) /* VLAN is end of vlan range */
130#define BRIDGE_VLAN_INFO_BRENTRY	(1<<5) /* Global bridge VLAN entry */
131
132struct bridge_vlan_info {
133	__u16 flags;
134	__u16 vid;
135};
136
137struct bridge_vlan_xstats {
138	__u64 rx_bytes;
139	__u64 rx_packets;
140	__u64 tx_bytes;
141	__u64 tx_packets;
142	__u16 vid;
143	__u16 pad1;
144	__u32 pad2;
145};
146
147/* Bridge multicast database attributes
148 * [MDBA_MDB] = {
149 *     [MDBA_MDB_ENTRY] = {
150 *         [MDBA_MDB_ENTRY_INFO] {
151 *		struct br_mdb_entry
152 *		[MDBA_MDB_EATTR attributes]
153 *         }
154 *     }
155 * }
156 * [MDBA_ROUTER] = {
157 *    [MDBA_ROUTER_PORT] = {
158 *        u32 ifindex
159 *        [MDBA_ROUTER_PATTR attributes]
160 *    }
161 * }
162 */
163enum {
164	MDBA_UNSPEC,
165	MDBA_MDB,
166	MDBA_ROUTER,
167	__MDBA_MAX,
168};
169#define MDBA_MAX (__MDBA_MAX - 1)
170
171enum {
172	MDBA_MDB_UNSPEC,
173	MDBA_MDB_ENTRY,
174	__MDBA_MDB_MAX,
175};
176#define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1)
177
178enum {
179	MDBA_MDB_ENTRY_UNSPEC,
180	MDBA_MDB_ENTRY_INFO,
181	__MDBA_MDB_ENTRY_MAX,
182};
183#define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1)
184
185/* per mdb entry additional attributes */
186enum {
187	MDBA_MDB_EATTR_UNSPEC,
188	MDBA_MDB_EATTR_TIMER,
189	__MDBA_MDB_EATTR_MAX
190};
191#define MDBA_MDB_EATTR_MAX (__MDBA_MDB_EATTR_MAX - 1)
192
193/* multicast router types */
194enum {
195	MDB_RTR_TYPE_DISABLED,
196	MDB_RTR_TYPE_TEMP_QUERY,
197	MDB_RTR_TYPE_PERM,
198	MDB_RTR_TYPE_TEMP
199};
200
201enum {
202	MDBA_ROUTER_UNSPEC,
203	MDBA_ROUTER_PORT,
204	__MDBA_ROUTER_MAX,
205};
206#define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1)
207
208/* router port attributes */
209enum {
210	MDBA_ROUTER_PATTR_UNSPEC,
211	MDBA_ROUTER_PATTR_TIMER,
212	MDBA_ROUTER_PATTR_TYPE,
213	__MDBA_ROUTER_PATTR_MAX
214};
215#define MDBA_ROUTER_PATTR_MAX (__MDBA_ROUTER_PATTR_MAX - 1)
216
217struct br_port_msg {
218	__u8  family;
219	__u32 ifindex;
220};
221
222struct br_mdb_entry {
223	__u32 ifindex;
224#define MDB_TEMPORARY 0
225#define MDB_PERMANENT 1
226	__u8 state;
227#define MDB_FLAGS_OFFLOAD	(1 << 0)
228	__u8 flags;
229	__u16 vid;
230	struct {
231		union {
232			__be32	ip4;
233			struct in6_addr ip6;
234		} u;
235		__be16		proto;
236	} addr;
237};
238
239enum {
240	MDBA_SET_ENTRY_UNSPEC,
241	MDBA_SET_ENTRY,
242	__MDBA_SET_ENTRY_MAX,
243};
244#define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1)
245
246/* Embedded inside LINK_XSTATS_TYPE_BRIDGE */
247enum {
248	BRIDGE_XSTATS_UNSPEC,
249	BRIDGE_XSTATS_VLAN,
250	__BRIDGE_XSTATS_MAX
251};
252#define BRIDGE_XSTATS_MAX (__BRIDGE_XSTATS_MAX - 1)
253
254#endif /* _UAPI_LINUX_IF_BRIDGE_H */
255