1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _NET_BRIDGE_H
28#define	_NET_BRIDGE_H
29
30/*
31 * Private communication interface between bridging related daemons and kernel
32 * layer-two (Ethernet) bridging module.
33 */
34
35#include <sys/param.h>
36#include <sys/dld.h>
37#include <sys/ethernet.h>
38
39#ifdef __cplusplus
40extern "C" {
41#endif
42
43/* Specified by IEEE 802.1d */
44#define	BRIDGE_GROUP_ADDRESS	{ 0x01, 0x80, 0xC2, 0, 0, 0 }
45
46/* The constant below is "BRG" in hex. */
47#define	_BRIOC(n)	(0x42524700 + (n))
48
49#define	BRIOC_NEWBRIDGE	_BRIOC(1)	/* Create bridge; bridge_newbridge_t */
50#define	BRIOC_ADDLINK	_BRIOC(2)	/* Add link to bridge; linkid+name */
51#define	BRIOC_REMLINK	_BRIOC(3)	/* Remove link from bridge; linkid */
52#define	BRIOC_SETSTATE	_BRIOC(4)	/* bridge_setstate_t */
53#define	BRIOC_SETPVID	_BRIOC(5)	/* bridge_setpvid_t */
54#define	BRIOC_VLANENAB	_BRIOC(6)	/* bridge_vlanenab_t */
55#define	BRIOC_FLUSHFWD	_BRIOC(7)	/* bridge_flushfwd_t */
56#define	BRIOC_LISTFWD	_BRIOC(8)	/* bridge_listfwd_t */
57#define	BRIOC_TABLEMAX	_BRIOC(8)	/* uint32_t */
58
59#define	BRIDGE_CTL	"bridgectl"
60#define	BRIDGE_CTLPATH	"/dev/" BRIDGE_CTL
61
62typedef struct bridge_newbridge_s {
63	datalink_id_t	bnb_linkid;		/* bridge link ID */
64	char		bnb_name[MAXNAMELEN];	/* bridge name */
65} bridge_newbridge_t;
66
67typedef enum bridge_state_e {
68	BLS_BLOCKLISTEN,		/* blocking or listening state */
69	BLS_LEARNING,			/* learning state */
70	BLS_FORWARDING			/* forwarding state */
71} bridge_state_t;
72
73typedef struct bridge_setstate_s {
74	datalink_id_t	bss_linkid;
75	bridge_state_t	bss_state;
76} bridge_setstate_t;
77
78typedef struct bridge_setpvid_s {
79	datalink_id_t	bsv_linkid;
80	uint_t		bsv_vlan;
81} bridge_setpvid_t;
82
83typedef struct bridge_vlanenab_s {
84	datalink_id_t	bve_linkid;
85	uint_t		bve_vlan;
86	boolean_t	bve_onoff;
87} bridge_vlanenab_t;
88
89typedef struct bridge_flushfwd_s {
90	datalink_id_t	bff_linkid;
91	boolean_t	bff_exclude;
92} bridge_flushfwd_t;
93
94typedef struct bridge_listfwd_s {
95	char		blf_name[MAXNAMELEN];	/* bridge name */
96	ether_addr_t	blf_dest;
97	uint16_t	blf_trill_nick;
98	uint_t		blf_ms_age;
99	boolean_t	blf_is_local;
100	datalink_id_t	blf_linkid;
101} bridge_listfwd_t;
102
103/* Upward control messages */
104typedef struct bridge_ctl_s {
105	datalink_id_t	bc_linkid;
106	boolean_t	bc_failed;	/* Max SDU mismatch */
107} bridge_ctl_t;
108
109/* GLDv3 control ioctls used by Bridging */
110#define	BRIDGE_IOC_LISTFWD	BRIDGEIOC(1)
111
112#ifdef __cplusplus
113}
114#endif
115
116#endif /* _NET_BRIDGE_H */
117