xref: /titanic_41/usr/src/cmd/dlmgmtd/dlmgmt_impl.h (revision 2876fe8aae833926eecc6a2388b29b674c5cee5c)
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 /*
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
35 extern "C" {
36 #endif
37 
38 #include <door.h>
39 #include <libdllink.h>
40 
41 /*
42  * datalink attribute structure
43  */
44 typedef struct dlmgmt_linkattr_s {
45 	struct dlmgmt_linkattr_s	*lp_next;
46 	struct dlmgmt_linkattr_s	*lp_prev;
47 	char				lp_name[MAXLINKATTRLEN];
48 	void				*lp_val;
49 	dladm_datatype_t		lp_type;
50 	uint_t				lp_sz;
51 	boolean_t			lp_linkprop;
52 } dlmgmt_linkattr_t;
53 
54 /*
55  * datalink structure
56  */
57 typedef struct dlmgmt_link_s {
58 	dlmgmt_linkattr_t	*ll_head;
59 	char			ll_link[MAXLINKNAMELEN];
60 	datalink_class_t	ll_class;
61 	uint32_t		ll_media;
62 	datalink_id_t		ll_linkid;
63 	avl_node_t		ll_node_by_name;
64 	avl_node_t		ll_node_by_id;
65 	uint32_t		ll_flags;
66 	uint32_t		ll_gen;		/* generation number */
67 } dlmgmt_link_t;
68 
69 /*
70  * datalink configuration request structure
71  */
72 typedef struct dlmgmt_dlconf_s {
73 	dlmgmt_linkattr_t	*ld_head;
74 	char			ld_link[MAXLINKNAMELEN];
75 	datalink_id_t		ld_linkid;
76 	datalink_class_t	ld_class;
77 	uint32_t		ld_media;
78 	int			ld_id;
79 	uint32_t		ld_gen;
80 	avl_node_t		ld_node;
81 } dlmgmt_dlconf_t;
82 
83 extern boolean_t	debug;
84 extern const char	*progname;
85 extern dladm_handle_t	dld_handle;
86 
87 extern avl_tree_t	dlmgmt_name_avl;
88 extern avl_tree_t	dlmgmt_id_avl;
89 extern avl_tree_t	dlmgmt_dlconf_avl;
90 
91 boolean_t	linkattr_equal(dlmgmt_linkattr_t **, const char *, void *,
92 		    size_t);
93 int		linkattr_unset(dlmgmt_linkattr_t **, const char *);
94 int		linkattr_set(dlmgmt_linkattr_t **, const char *, void *,
95 		    size_t, dladm_datatype_t);
96 int		linkattr_get(dlmgmt_linkattr_t **, const char *, void **,
97 		    size_t *, dladm_datatype_t *);
98 int		linkprop_getnext(dlmgmt_linkattr_t **, const char *,
99 		    char **, void **, size_t *, dladm_datatype_t *);
100 
101 void		link_destroy(dlmgmt_link_t *);
102 dlmgmt_link_t	*link_by_id(datalink_id_t);
103 dlmgmt_link_t	*link_by_name(const char *);
104 int		dlmgmt_create_common(const char *, datalink_class_t,
105 		    uint32_t, uint32_t, dlmgmt_link_t **);
106 int		dlmgmt_destroy_common(dlmgmt_link_t *, uint32_t);
107 void		dlmgmt_getattr_common(dlmgmt_linkattr_t **, const char *,
108 		    dlmgmt_getattr_retval_t *);
109 
110 void		dlmgmt_advance(dlmgmt_link_t *);
111 void		dlmgmt_table_lock(boolean_t);
112 void		dlmgmt_table_unlock();
113 
114 int		dlconf_create(const char *, datalink_id_t, datalink_class_t,
115 		    uint32_t, dlmgmt_dlconf_t **);
116 void		dlconf_destroy(dlmgmt_dlconf_t *);
117 void		dlmgmt_advance_dlconfid(dlmgmt_dlconf_t *);
118 void		dlmgmt_dlconf_table_lock(boolean_t);
119 void		dlmgmt_dlconf_table_unlock(void);
120 
121 int		dlmgmt_generate_name(const char *, char *, size_t);
122 
123 int		dlmgmt_linktable_init(void);
124 void		dlmgmt_linktable_fini(void);
125 
126 void		dlmgmt_handler(void *, char *, size_t, door_desc_t *, uint_t);
127 void		dlmgmt_log(int, const char *, ...);
128 int		dlmgmt_write_db_entry(datalink_id_t, uint32_t);
129 int		dlmgmt_delete_db_entry(datalink_id_t, uint32_t);
130 int 		dlmgmt_db_init(void);
131 
132 #define	DLMGMT_TMPFS_DIR	"/etc/svc/volatile/dladm"
133 
134 #ifdef  __cplusplus
135 }
136 #endif
137 
138 #endif	/* _DLMGMT_IMPL_H */
139