[thirdparty/lldpd.git] / include / linux / if_bridge.h

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 *	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_VLAN_TUNNEL_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;
};

enum {
	IFLA_BRIDGE_VLAN_TUNNEL_UNSPEC,
	IFLA_BRIDGE_VLAN_TUNNEL_ID,
	IFLA_BRIDGE_VLAN_TUNNEL_VID,
	IFLA_BRIDGE_VLAN_TUNNEL_FLAGS,
	__IFLA_BRIDGE_VLAN_TUNNEL_MAX,
};

#define IFLA_BRIDGE_VLAN_TUNNEL_MAX (__IFLA_BRIDGE_VLAN_TUNNEL_MAX - 1)

struct bridge_vlan_xstats {
	__u64 rx_bytes;
	__u64 rx_packets;
	__u64 tx_bytes;
	__u64 tx_packets;
	__u16 vid;
	__u16 flags;
	__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_v1queries[BR_MCAST_DIR_SIZE];
	__u64 igmp_v2queries[BR_MCAST_DIR_SIZE];
	__u64 igmp_v3queries[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_v1queries[BR_MCAST_DIR_SIZE];
	__u64 mld_v2queries[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 */
Commit	Line	Data
a192a2e9	1	/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2516cfb1 VB	2	/*
	3	* Linux ethernet bridge
	4	*
	5	* Authors:
	6	* Lennert Buytenhek <buytenh@gnu.org>
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License
	10	* as published by the Free Software Foundation; either version
	11	* 2 of the License, or (at your option) any later version.
	12	*/
	13
	14	#ifndef _LINUX_IF_BRIDGE_H
	15	#define _LINUX_IF_BRIDGE_H
	16
	17	#include <linux/types.h>
a192a2e9 VB	18	#include <linux/if_ether.h>
a192a2e9 VB	19	#include <linux/in6.h>
2516cfb1 VB	20
	21	#define SYSFS_BRIDGE_ATTR "bridge"
	22	#define SYSFS_BRIDGE_FDB "brforward"
	23	#define SYSFS_BRIDGE_PORT_SUBDIR "brif"
	24	#define SYSFS_BRIDGE_PORT_ATTR "brport"
	25	#define SYSFS_BRIDGE_PORT_LINK "bridge"
	26
	27	#define BRCTL_VERSION 1
	28
	29	#define BRCTL_GET_VERSION 0
	30	#define BRCTL_GET_BRIDGES 1
	31	#define BRCTL_ADD_BRIDGE 2
	32	#define BRCTL_DEL_BRIDGE 3
	33	#define BRCTL_ADD_IF 4
	34	#define BRCTL_DEL_IF 5
	35	#define BRCTL_GET_BRIDGE_INFO 6
	36	#define BRCTL_GET_PORT_LIST 7
	37	#define BRCTL_SET_BRIDGE_FORWARD_DELAY 8
	38	#define BRCTL_SET_BRIDGE_HELLO_TIME 9
	39	#define BRCTL_SET_BRIDGE_MAX_AGE 10
	40	#define BRCTL_SET_AGEING_TIME 11
	41	#define BRCTL_SET_GC_INTERVAL 12
	42	#define BRCTL_GET_PORT_INFO 13
	43	#define BRCTL_SET_BRIDGE_STP_STATE 14
	44	#define BRCTL_SET_BRIDGE_PRIORITY 15
	45	#define BRCTL_SET_PORT_PRIORITY 16
	46	#define BRCTL_SET_PATH_COST 17
	47	#define BRCTL_GET_FDB_ENTRIES 18
	48
	49	#define BR_STATE_DISABLED 0
	50	#define BR_STATE_LISTENING 1
	51	#define BR_STATE_LEARNING 2
	52	#define BR_STATE_FORWARDING 3
	53	#define BR_STATE_BLOCKING 4
	54
	55	struct __bridge_info {
	56	__u64 designated_root;
	57	__u64 bridge_id;
	58	__u32 root_path_cost;
	59	__u32 max_age;
	60	__u32 hello_time;
	61	__u32 forward_delay;
	62	__u32 bridge_max_age;
	63	__u32 bridge_hello_time;
	64	__u32 bridge_forward_delay;
	65	__u8 topology_change;
	66	__u8 topology_change_detected;
	67	__u8 root_port;
	68	__u8 stp_enabled;
	69	__u32 ageing_time;
	70	__u32 gc_interval;
	71	__u32 hello_timer_value;
	72	__u32 tcn_timer_value;
	73	__u32 topology_change_timer_value;
	74	__u32 gc_timer_value;
	75	};
	76
	77	struct __port_info {
	78	__u64 designated_root;
	79	__u64 designated_bridge;
	80	__u16 port_id;
	81	__u16 designated_port;
	82	__u32 path_cost;
	83	__u32 designated_cost;
84	__u8 state;
85	__u8 top_change_ack;
86	__u8 config_pending;
87	__u8 unused0;
88	__u32 message_age_timer_value;
89	__u32 forward_delay_timer_value;
90	__u32 hold_timer_value;
91	};
92
93	struct __fdb_entry {
a192a2e9	94	__u8 mac_addr[ETH_ALEN];
2516cfb1 VB	95	__u8 port_no;
	96	__u8 is_local;
	97	__u32 ageing_timer_value;
	98	__u8 port_hi;
	99	__u8 pad0;
	100	__u16 unused;
	101	};
	102
a192a2e9 VB	103	/* Bridge Flags */
	104	#define BRIDGE_FLAGS_MASTER 1 /* Bridge command to/from master */
	105	#define BRIDGE_FLAGS_SELF 2 /* Bridge command to/from lowerdev */
2516cfb1	106
a192a2e9 VB	107	#define BRIDGE_MODE_VEB 0 /* Default loopback mode */
	108	#define BRIDGE_MODE_VEPA 1 /* 802.1Qbg defined VEPA mode */
	109	#define BRIDGE_MODE_UNDEF 0xFFFF /* mode undefined */
	110
	111	/* Bridge management nested attributes
	112	* [IFLA_AF_SPEC] = {
	113	* [IFLA_BRIDGE_FLAGS]
	114	* [IFLA_BRIDGE_MODE]
	115	* [IFLA_BRIDGE_VLAN_INFO]
	116	* }
	117	*/
	118	enum {
	119	IFLA_BRIDGE_FLAGS,
	120	IFLA_BRIDGE_MODE,
	121	IFLA_BRIDGE_VLAN_INFO,
	122	IFLA_BRIDGE_VLAN_TUNNEL_INFO,
	123	__IFLA_BRIDGE_MAX,
	124	};
	125	#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
	126
	127	#define BRIDGE_VLAN_INFO_MASTER (1<<0) /* Operate on Bridge device as well */
	128	#define BRIDGE_VLAN_INFO_PVID (1<<1) /* VLAN is PVID, ingress untagged */
	129	#define BRIDGE_VLAN_INFO_UNTAGGED (1<<2) /* VLAN egresses untagged */
	130	#define BRIDGE_VLAN_INFO_RANGE_BEGIN (1<<3) /* VLAN is start of vlan range */
	131	#define BRIDGE_VLAN_INFO_RANGE_END (1<<4) /* VLAN is end of vlan range */
	132	#define BRIDGE_VLAN_INFO_BRENTRY (1<<5) /* Global bridge VLAN entry */
	133
	134	struct bridge_vlan_info {
	135	__u16 flags;
	136	__u16 vid;
	137	};
	138
	139	enum {
	140	IFLA_BRIDGE_VLAN_TUNNEL_UNSPEC,
	141	IFLA_BRIDGE_VLAN_TUNNEL_ID,
	142	IFLA_BRIDGE_VLAN_TUNNEL_VID,
	143	IFLA_BRIDGE_VLAN_TUNNEL_FLAGS,
	144	__IFLA_BRIDGE_VLAN_TUNNEL_MAX,
	145	};
	146
	147	#define IFLA_BRIDGE_VLAN_TUNNEL_MAX (__IFLA_BRIDGE_VLAN_TUNNEL_MAX - 1)
	148
	149	struct bridge_vlan_xstats {
	150	__u64 rx_bytes;
	151	__u64 rx_packets;
	152	__u64 tx_bytes;
	153	__u64 tx_packets;
	154	__u16 vid;
	155	__u16 flags;
	156	__u32 pad2;
	157	};
	158
	159	/* Bridge multicast database attributes
	160	* [MDBA_MDB] = {
	161	* [MDBA_MDB_ENTRY] = {
	162	* [MDBA_MDB_ENTRY_INFO] {
	163	* struct br_mdb_entry
	164	* [MDBA_MDB_EATTR attributes]
	165	* }
	166	* }
	167	* }
	168	* [MDBA_ROUTER] = {
	169	* [MDBA_ROUTER_PORT] = {
	170	* u32 ifindex
171	* [MDBA_ROUTER_PATTR attributes]
172	* }
173	* }
174	*/
175	enum {
176	MDBA_UNSPEC,
177	MDBA_MDB,
178	MDBA_ROUTER,
179	__MDBA_MAX,
180	};
181	#define MDBA_MAX (__MDBA_MAX - 1)
182
183	enum {
184	MDBA_MDB_UNSPEC,
185	MDBA_MDB_ENTRY,
186	__MDBA_MDB_MAX,
187	};
188	#define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1)
189
190	enum {
191	MDBA_MDB_ENTRY_UNSPEC,
192	MDBA_MDB_ENTRY_INFO,
193	__MDBA_MDB_ENTRY_MAX,
194	};
195	#define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1)
196
197	/* per mdb entry additional attributes */
198	enum {
199	MDBA_MDB_EATTR_UNSPEC,
200	MDBA_MDB_EATTR_TIMER,
201	__MDBA_MDB_EATTR_MAX
202	};
203	#define MDBA_MDB_EATTR_MAX (__MDBA_MDB_EATTR_MAX - 1)
204
205	/* multicast router types */
206	enum {
207	MDB_RTR_TYPE_DISABLED,
208	MDB_RTR_TYPE_TEMP_QUERY,
209	MDB_RTR_TYPE_PERM,
210	MDB_RTR_TYPE_TEMP
211	};
212
213	enum {
214	MDBA_ROUTER_UNSPEC,
215	MDBA_ROUTER_PORT,
216	__MDBA_ROUTER_MAX,
217	};
218	#define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1)
219
220	/* router port attributes */
221	enum {
222	MDBA_ROUTER_PATTR_UNSPEC,
223	MDBA_ROUTER_PATTR_TIMER,
224	MDBA_ROUTER_PATTR_TYPE,
225	__MDBA_ROUTER_PATTR_MAX
226	};
227	#define MDBA_ROUTER_PATTR_MAX (__MDBA_ROUTER_PATTR_MAX - 1)
228
229	struct br_port_msg {
230	__u8 family;
231	__u32 ifindex;
232	};
233
234	struct br_mdb_entry {
235	__u32 ifindex;
236	#define MDB_TEMPORARY 0
237	#define MDB_PERMANENT 1
238	__u8 state;
239	#define MDB_FLAGS_OFFLOAD (1 << 0)
240	__u8 flags;
241	__u16 vid;
242	struct {
243	union {
244	__be32 ip4;
245	struct in6_addr ip6;
246	} u;
247	__be16 proto;
248	} addr;
249	};
250
251	enum {
252	MDBA_SET_ENTRY_UNSPEC,
253	MDBA_SET_ENTRY,
254	__MDBA_SET_ENTRY_MAX,
255	};
256	#define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1)
257
258	/* Embedded inside LINK_XSTATS_TYPE_BRIDGE */
259	enum {
260	BRIDGE_XSTATS_UNSPEC,
261	BRIDGE_XSTATS_VLAN,
262	BRIDGE_XSTATS_MCAST,
263	BRIDGE_XSTATS_PAD,
264	__BRIDGE_XSTATS_MAX
265	};
266	#define BRIDGE_XSTATS_MAX (__BRIDGE_XSTATS_MAX - 1)
267
268	enum {
269	BR_MCAST_DIR_RX,
270	BR_MCAST_DIR_TX,
271	BR_MCAST_DIR_SIZE
272	};
273
274	/* IGMP/MLD statistics */
275	struct br_mcast_stats {
276	__u64 igmp_v1queries[BR_MCAST_DIR_SIZE];
277	__u64 igmp_v2queries[BR_MCAST_DIR_SIZE];
278	__u64 igmp_v3queries[BR_MCAST_DIR_SIZE];
279	__u64 igmp_leaves[BR_MCAST_DIR_SIZE];
280	__u64 igmp_v1reports[BR_MCAST_DIR_SIZE];
281	__u64 igmp_v2reports[BR_MCAST_DIR_SIZE];
282	__u64 igmp_v3reports[BR_MCAST_DIR_SIZE];
283	__u64 igmp_parse_errors;
284
285	__u64 mld_v1queries[BR_MCAST_DIR_SIZE];
286	__u64 mld_v2queries[BR_MCAST_DIR_SIZE];
287	__u64 mld_leaves[BR_MCAST_DIR_SIZE];
288	__u64 mld_v1reports[BR_MCAST_DIR_SIZE];
289	__u64 mld_v2reports[BR_MCAST_DIR_SIZE];
290	__u64 mld_parse_errors;
291
292	__u64 mcast_bytes[BR_MCAST_DIR_SIZE];
293	__u64 mcast_packets[BR_MCAST_DIR_SIZE];
294	};
295	#endif /* _LINUX_IF_BRIDGE_H */