[mirror_iproute2.git] / include / linux / if_bridge.h

/*
 *	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_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;
};

struct bridge_vlan_xstats {
	__u64 rx_bytes;
	__u64 rx_packets;
	__u64 tx_bytes;
	__u64 tx_packets;
	__u16 vid;
	__u16 pad1;
	__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_MAX
};
#define BRIDGE_XSTATS_MAX (__BRIDGE_XSTATS_MAX - 1)

#endif /* _LINUX_IF_BRIDGE_H */
Commit	Line	Data
08342500 SH	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 _LINUX_IF_BRIDGE_H
	14	#define _LINUX_IF_BRIDGE_H
	15
	16	#include <linux/types.h>
6b2ed935	17	#include <linux/if_ether.h>
e9c4b7c3	18	#include <linux/in6.h>
08342500 SH	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 {
6b2ed935	93	__u8 mac_addr[ETH_ALEN];
08342500 SH	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 */
093f18fd	108	#define BRIDGE_MODE_UNDEF 0xFFFF /* mode undefined */
08342500 SH	109
	110	/* Bridge management nested attributes
	111	* [IFLA_AF_SPEC] = {
	112	* [IFLA_BRIDGE_FLAGS]
	113	* [IFLA_BRIDGE_MODE]
609106d3	114	* [IFLA_BRIDGE_VLAN_INFO]
08342500 SH	115	* }
	116	*/
	117	enum {
	118	IFLA_BRIDGE_FLAGS,
	119	IFLA_BRIDGE_MODE,
609106d3	120	IFLA_BRIDGE_VLAN_INFO,
08342500 SH	121	__IFLA_BRIDGE_MAX,
	122	};
	123	#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
	124
609106d3 SH	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 */
f233410d SH	128	#define BRIDGE_VLAN_INFO_RANGE_BEGIN (1<<3) /* VLAN is start of vlan range */
f233410d SH	129	#define BRIDGE_VLAN_INFO_RANGE_END (1<<4) /* VLAN is end of vlan range */
23e90509	130	#define BRIDGE_VLAN_INFO_BRENTRY (1<<5) /* Global bridge VLAN entry */
609106d3 SH	131
	132	struct bridge_vlan_info {
	133	__u16 flags;
	134	__u16 vid;
	135	};
	136
31ce6e01 SH	137	struct 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
08342500 SH	147	/* Bridge multicast database attributes
	148	* [MDBA_MDB] = {
	149	* [MDBA_MDB_ENTRY] = {
2421ab75 SH	150	* [MDBA_MDB_ENTRY_INFO] {
	151	* struct br_mdb_entry
	152	* [MDBA_MDB_EATTR attributes]
	153	* }
08342500 SH	154	* }
	155	* }
	156	* [MDBA_ROUTER] = {
2421ab75 SH	157	* [MDBA_ROUTER_PORT] = {
	158	* u32 ifindex
	159	* [MDBA_ROUTER_PATTR attributes]
	160	* }
08342500 SH	161	* }
	162	*/
	163	enum {
	164	MDBA_UNSPEC,
	165	MDBA_MDB,
	166	MDBA_ROUTER,
	167	__MDBA_MAX,
	168	};
	169	#define MDBA_MAX (__MDBA_MAX - 1)
	170
	171	enum {
	172	MDBA_MDB_UNSPEC,
	173	MDBA_MDB_ENTRY,
	174	__MDBA_MDB_MAX,
	175	};
	176	#define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1)
	177
	178	enum {
	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
2421ab75 SH	185	/* per mdb entry additional attributes */
	186	enum {
	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 */
	194	enum {
	195	MDB_RTR_TYPE_DISABLED,
	196	MDB_RTR_TYPE_TEMP_QUERY,
	197	MDB_RTR_TYPE_PERM,
	198	MDB_RTR_TYPE_TEMP
	199	};
	200
08342500 SH	201	enum {
	202	MDBA_ROUTER_UNSPEC,
	203	MDBA_ROUTER_PORT,
	204	__MDBA_ROUTER_MAX,
	205	};
	206	#define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1)
	207
2421ab75 SH	208	/* router port attributes */
	209	enum {
	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
08342500	217	struct br_port_msg {
9dca6767	218	__u8 family;
08342500 SH	219	__u32 ifindex;
	220	};
	221
	222	struct br_mdb_entry {
	223	__u32 ifindex;
75e003c2 SH	224	#define MDB_TEMPORARY 0
	225	#define MDB_PERMANENT 1
	226	__u8 state;
8593b2ca SH	227	#define MDB_FLAGS_OFFLOAD (1 << 0)
8593b2ca SH	228	__u8 flags;
a3563ede	229	__u16 vid;
08342500 SH	230	struct {
	231	union {
	232	__be32 ip4;
	233	struct in6_addr ip6;
	234	} u;
	235	__be16 proto;
	236	} addr;
	237	};
	238
9dca6767 CW	239	enum {
	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
31ce6e01 SH	246	/* Embedded inside LINK_XSTATS_TYPE_BRIDGE */
	247	enum {
	248	BRIDGE_XSTATS_UNSPEC,
	249	BRIDGE_XSTATS_VLAN,
	250	__BRIDGE_XSTATS_MAX
	251	};
	252	#define BRIDGE_XSTATS_MAX (__BRIDGE_XSTATS_MAX - 1)
	253
08342500	254	#endif /* _LINUX_IF_BRIDGE_H */