dlmgmt_impl.h revision 6263:60af2e048340 
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 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/*
30 * Functions to maintain a table of datalink configuration information.
31 */
32
33#ifndef	_DLMGMT_IMPL_H
34#define	_DLMGMT_IMPL_H
35
36#ifdef  __cplusplus
37extern "C" {
38#endif
39
40#include <door.h>
41#include <libdllink.h>
42
43/*
44 * datalink attribute structure
45 */
46typedef struct dlmgmt_linkattr_s {
47	struct dlmgmt_linkattr_s	*lp_next;
48	struct dlmgmt_linkattr_s	*lp_prev;
49	char				lp_name[MAXLINKATTRLEN];
50	void				*lp_val;
51	dladm_datatype_t		lp_type;
52	uint_t				lp_sz;
53} dlmgmt_linkattr_t;
54
55/*
56 * datalink structure
57 */
58typedef struct dlmgmt_link_s {
59	dlmgmt_linkattr_t	*ll_head;
60	char			ll_link[MAXLINKNAMELEN];
61	datalink_class_t	ll_class;
62	uint32_t		ll_media;
63	datalink_id_t		ll_linkid;
64	avl_node_t		ll_node_by_name;
65	avl_node_t		ll_node_by_id;
66	uint32_t		ll_flags;
67	uint32_t		ll_gen;		/* generation number */
68} dlmgmt_link_t;
69
70/*
71 * datalink configuration request structure
72 */
73typedef struct dlmgmt_dlconf_s {
74	dlmgmt_linkattr_t	*ld_head;
75	char			ld_link[MAXLINKNAMELEN];
76	datalink_id_t		ld_linkid;
77	datalink_class_t	ld_class;
78	uint32_t		ld_media;
79	int			ld_id;
80	uint32_t		ld_gen;
81	avl_node_t		ld_node;
82} dlmgmt_dlconf_t;
83
84extern boolean_t	debug;
85extern const char	*progname;
86
87extern avl_tree_t	dlmgmt_name_avl;
88extern avl_tree_t	dlmgmt_id_avl;
89extern avl_tree_t	dlmgmt_dlconf_avl;
90
91boolean_t	linkattr_equal(dlmgmt_linkattr_t **, const char *, void *,
92		    size_t);
93int		linkattr_unset(dlmgmt_linkattr_t **, const char *);
94int		linkattr_set(dlmgmt_linkattr_t **, const char *, void *,
95		    size_t, dladm_datatype_t);
96int		linkattr_get(dlmgmt_linkattr_t **, const char *, void **,
97		    size_t *, dladm_datatype_t *);
98
99void		link_destroy(dlmgmt_link_t *);
100dlmgmt_link_t	*link_by_id(datalink_id_t);
101dlmgmt_link_t	*link_by_name(const char *);
102int		dlmgmt_create_common(const char *, datalink_class_t,
103		    uint32_t, uint32_t, dlmgmt_link_t **);
104int		dlmgmt_destroy_common(dlmgmt_link_t *, uint32_t);
105void		dlmgmt_getattr_common(dlmgmt_linkattr_t **, const char *,
106		    dlmgmt_getattr_retval_t *);
107
108void		dlmgmt_advance(dlmgmt_link_t *);
109void		dlmgmt_table_lock(boolean_t);
110void		dlmgmt_table_unlock();
111
112int		dlconf_create(const char *, datalink_id_t, datalink_class_t,
113		    uint32_t, dlmgmt_dlconf_t **);
114void		dlconf_destroy(dlmgmt_dlconf_t *);
115void		dlmgmt_advance_dlconfid(dlmgmt_dlconf_t *);
116void		dlmgmt_dlconf_table_lock(boolean_t);
117void		dlmgmt_dlconf_table_unlock(void);
118
119int		dlmgmt_generate_name(const char *, char *, size_t);
120
121int		dlmgmt_linktable_init(void);
122void		dlmgmt_linktable_fini(void);
123
124void		dlmgmt_handler(void *, char *, size_t, door_desc_t *, uint_t);
125void		dlmgmt_log(int, const char *, ...);
126int		dlmgmt_write_db_entry(datalink_id_t, uint32_t);
127int		dlmgmt_delete_db_entry(datalink_id_t, uint32_t);
128int 		dlmgmt_db_init(void);
129
130#define	DLMGMT_TMPFS_DIR	"/etc/svc/volatile/dladm"
131
132#ifdef  __cplusplus
133}
134#endif
135
136#endif	/* _DLMGMT_IMPL_H */
137