dls.h revision 5733:df23d322484c 
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 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_SYS_DLS_H
27#define	_SYS_DLS_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#include <sys/types.h>
32#include <sys/stream.h>
33#include <sys/mac.h>
34
35/*
36 * Data-Link Services Module
37 */
38
39#ifdef	__cplusplus
40extern "C" {
41#endif
42
43/*
44 * Module name.
45 */
46#define	DLS_MODULE_NAME	"dls"
47
48/*
49 * Data-Link Services Information (text emitted by modinfo(1m))
50 */
51#define	DLS_INFO	"Data-Link Services v%I%"
52
53/*
54 * Macros for converting ppas to instance #s, Vlan ID, or minor.
55 */
56#define	DLS_PPA2INST(ppa)	((int)((ppa) % 1000))
57#define	DLS_PPA2VID(ppa)	((uint16_t)((ppa) / 1000))
58#define	DLS_PPA2MINOR(ppa)	((minor_t)((DLS_PPA2INST(ppa)) + 1))
59
60/*
61 * Maps a (VID, INST) pair to ppa
62 */
63#define	DLS_VIDINST2PPA(vid, inst)	((minor_t)((vid) * 1000 + (inst)))
64
65/*
66 * Converts a minor to an instance#; makes sense only when minor <= 1000.
67 */
68#define	DLS_MINOR2INST(minor)	((int)((minor) - 1))
69
70#ifdef	_KERNEL
71
72extern int	dls_create(const char *, const char *);
73extern int	dls_destroy(const char *);
74
75typedef	struct dls_t	*dls_channel_t;
76
77extern int	dls_open(const char *, dls_channel_t *);
78extern void	dls_close(dls_channel_t);
79
80extern mac_handle_t	dls_mac(dls_channel_t);
81extern uint16_t		dls_vid(dls_channel_t);
82
83#define	DLS_SAP_LLC	0
84#define	DLS_SAP_PROMISC	(1 << 16)
85
86extern int	dls_bind(dls_channel_t, uint32_t);
87extern void	dls_unbind(dls_channel_t);
88
89#define	DLS_PROMISC_SAP		0x00000001
90#define	DLS_PROMISC_MULTI	0x00000002
91#define	DLS_PROMISC_PHYS	0x00000004
92
93extern int	dls_promisc(dls_channel_t, uint32_t);
94
95extern int	dls_multicst_add(dls_channel_t, const uint8_t *);
96extern int	dls_multicst_remove(dls_channel_t, const uint8_t *);
97
98extern mblk_t	*dls_header(dls_channel_t, const uint8_t *, uint16_t, uint_t,
99    mblk_t **);
100extern int	dls_header_info(dls_channel_t, mblk_t *, mac_header_info_t *);
101
102typedef	void	(*dls_rx_t)(void *, mac_resource_handle_t, mblk_t *,
103    mac_header_info_t *);
104
105extern void	dls_rx_set(dls_channel_t, dls_rx_t, void *);
106
107extern mblk_t		*dls_tx(dls_channel_t, mblk_t *);
108
109extern boolean_t	dls_active_set(dls_channel_t);
110extern void		dls_active_clear(dls_channel_t);
111
112extern dev_info_t	*dls_finddevinfo(dev_t);
113extern int		dls_ppa_from_minor(minor_t, t_uscalar_t *);
114#endif	/* _KERNEL */
115
116#ifdef	__cplusplus
117}
118#endif
119
120#endif	/* _SYS_DLS_H */
121