dlmgmt_impl.h revision 9107:a47dcdb19715 
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/*
28 * Functions to maintain a table of datalink configuration information.
29 */
30
31#ifndef	_DLMGMT_IMPL_H
32#define	_DLMGMT_IMPL_H
33
34#ifdef  __cplusplus
35extern "C" {
36#endif
37
38#include <door.h>
39#include <libdllink.h>
40#include <sys/avl.h>
41
42/*
43 * datalink attribute structure
44 */
45typedef struct dlmgmt_linkattr_s {
46	struct dlmgmt_linkattr_s	*lp_next;
47	struct dlmgmt_linkattr_s	*lp_prev;
48	char				lp_name[MAXLINKATTRLEN];
49	void				*lp_val;
50	dladm_datatype_t		lp_type;
51	uint_t				lp_sz;
52	boolean_t			lp_linkprop;
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;
86extern dladm_handle_t	dld_handle;
87
88extern avl_tree_t	dlmgmt_name_avl;
89extern avl_tree_t	dlmgmt_id_avl;
90extern avl_tree_t	dlmgmt_dlconf_avl;
91
92boolean_t	linkattr_equal(dlmgmt_linkattr_t **, const char *, void *,
93		    size_t);
94int		linkattr_unset(dlmgmt_linkattr_t **, const char *);
95int		linkattr_set(dlmgmt_linkattr_t **, const char *, void *,
96		    size_t, dladm_datatype_t);
97int		linkattr_get(dlmgmt_linkattr_t **, const char *, void **,
98		    size_t *, dladm_datatype_t *);
99int		linkprop_getnext(dlmgmt_linkattr_t **, const char *,
100		    char **, void **, size_t *, dladm_datatype_t *);
101
102void		link_destroy(dlmgmt_link_t *);
103dlmgmt_link_t	*link_by_id(datalink_id_t);
104dlmgmt_link_t	*link_by_name(const char *);
105int		dlmgmt_create_common(const char *, datalink_class_t,
106		    uint32_t, uint32_t, dlmgmt_link_t **);
107int		dlmgmt_destroy_common(dlmgmt_link_t *, uint32_t);
108void		dlmgmt_getattr_common(dlmgmt_linkattr_t **, const char *,
109		    dlmgmt_getattr_retval_t *);
110
111void		dlmgmt_advance(dlmgmt_link_t *);
112void		dlmgmt_table_lock(boolean_t);
113void		dlmgmt_table_unlock();
114
115int		dlconf_create(const char *, datalink_id_t, datalink_class_t,
116		    uint32_t, dlmgmt_dlconf_t **);
117void		dlconf_destroy(dlmgmt_dlconf_t *);
118void		dlmgmt_advance_dlconfid(dlmgmt_dlconf_t *);
119void		dlmgmt_dlconf_table_lock(boolean_t);
120void		dlmgmt_dlconf_table_unlock(void);
121
122int		dlmgmt_generate_name(const char *, char *, size_t);
123
124int		dlmgmt_linktable_init(void);
125void		dlmgmt_linktable_fini(void);
126
127void		dlmgmt_handler(void *, char *, size_t, door_desc_t *, uint_t);
128void		dlmgmt_log(int, const char *, ...);
129int		dlmgmt_write_db_entry(datalink_id_t, uint32_t);
130int		dlmgmt_delete_db_entry(datalink_id_t, uint32_t);
131int 		dlmgmt_db_init(void);
132
133#define	DLMGMT_TMPFS_DIR	"/etc/svc/volatile/dladm"
134
135#ifdef  __cplusplus
136}
137#endif
138
139#endif	/* _DLMGMT_IMPL_H */
140