xref: /illumos-gate/usr/src/cmd/picl/plugins/sun4v/lib/snmp/pdu.h (revision 2983dda76a6d296fdb560c88114fe41caad1b84f)
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 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_PDU_H
28 #define	_PDU_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 typedef uint_t	oid;
37 
38 /*
39  * SNMP PDU variable list
40  */
41 typedef struct pdu_varlist {
42 	struct pdu_varlist *nextvar;
43 	oid	*name;
44 	size_t	name_len;		/* number of subids in the name */
45 	union {
46 		uint_t	*uiptr;		/* unused except while parsing */
47 		int	*iptr;
48 		uchar_t	*str;
49 		oid	*objid;
50 	} val;
51 	size_t	val_len;		/* in bytes even if val is objid */
52 	uchar_t	type;
53 } pdu_varlist_t;
54 
55 /*
56  * Essential snmp message/PDU fields
57  */
58 typedef struct snmp_pdu {
59 	int	version;
60 	uchar_t	*community;
61 	size_t	community_len;
62 	int	command;
63 	int	reqid;
64 	int	errstat;	/* shared with non-repeaters for GETBULK */
65 	int	errindex;	/* shared with max-repetitions for GETBULK */
66 	pdu_varlist_t	*vars;
67 
68 	uchar_t	*req_pkt;	/* not really part of PDU */
69 	size_t	req_pktsz;	/* not really part of PDU */
70 	uchar_t	*reply_pkt;	/* not really part of PDU */
71 	size_t	reply_pktsz;	/* not really part of PDU */
72 } snmp_pdu_t;
73 #define	non_repeaters	errstat
74 #define	max_repetitions	errindex
75 
76 /*
77  * Supported SNMP versions
78  */
79 #define	SNMP_VERSION_1		0
80 #define	SNMP_VERSION_2c		1
81 
82 /*
83  * Community strings for supported PDUs
84  */
85 #define	SNMP_DEF_COMMUNITY	"public"
86 #define	SNMP_DEF_COMMUNITY_LEN	6
87 
88 /*
89  * PDU types (not all are supported)
90  */
91 #define	SNMP_MSG_GET		(ASN_CONTEXT | ASN_CONSTRUCTOR | (uchar_t)0x0)
92 #define	SNMP_MSG_GETNEXT	(ASN_CONTEXT | ASN_CONSTRUCTOR | (uchar_t)0x1)
93 #define	SNMP_MSG_RESPONSE	(ASN_CONTEXT | ASN_CONSTRUCTOR | (uchar_t)0x2)
94 #define	SNMP_MSG_SET		(ASN_CONTEXT | ASN_CONSTRUCTOR | (uchar_t)0x3)
95 #define	SNMP_MSG_TRAP		(ASN_CONTEXT | ASN_CONSTRUCTOR | (uchar_t)0x4)
96 #define	SNMP_MSG_GETBULK	(ASN_CONTEXT | ASN_CONSTRUCTOR | (uchar_t)0x5)
97 #define	SNMP_MSG_INFORM		(ASN_CONTEXT | ASN_CONSTRUCTOR | (uchar_t)0x6)
98 #define	SNMP_MSG_TRAP2		(ASN_CONTEXT | ASN_CONSTRUCTOR | (uchar_t)0x7)
99 #define	SNMP_MSG_REPORT		(ASN_CONTEXT | ASN_CONSTRUCTOR | (uchar_t)0x8)
100 
101 /*
102  * Exception values (not all are supported)
103  */
104 #define	SNMP_NOSUCHOBJECT	(ASN_CONTEXT | ASN_PRIMITIVE | (uchar_t)0x0)
105 #define	SNMP_NOSUCHINSTANCE	(ASN_CONTEXT | ASN_PRIMITIVE | (uchar_t)0x1)
106 #define	SNMP_ENDOFMIBVIEW	(ASN_CONTEXT | ASN_PRIMITIVE | (uchar_t)0x2)
107 
108 /*
109  * Error codes (not all are supported)
110  */
111 #define	SNMP_ERR_NOERROR		(0)
112 #define	SNMP_ERR_TOOBIG			(1)
113 #define	SNMP_ERR_NOSUCHNAME		(2)
114 #define	SNMP_ERR_BADVALUE		(3)
115 #define	SNMP_ERR_READONLY		(4)
116 #define	SNMP_ERR_GENERR			(5)
117 #define	SNMP_ERR_NOACCESS		(6)
118 #define	SNMP_ERR_WRONGTYPE		(7)
119 #define	SNMP_ERR_WRONGLENGTH		(8)
120 #define	SNMP_ERR_WRONGENCODING		(9)
121 #define	SNMP_ERR_WRONGVALUE		(10)
122 #define	SNMP_ERR_NOCREATION		(11)
123 #define	SNMP_ERR_INCONSISTENTVALUE	(12)
124 #define	SNMP_ERR_RESOURCEUNAVAILABLE	(13)
125 #define	SNMP_ERR_COMMITFAILED		(14)
126 #define	SNMP_ERR_UNDOFAILED		(15)
127 #define	SNMP_ERR_AUTHORIZATIONERROR	(16)
128 #define	SNMP_ERR_NOTWRITABLE		(17)
129 #define	SNMP_ERR_INCONSISTENTNAME	(18)
130 
131 /*
132  * Default values
133  */
134 #define	SNMP_DEF_NON_REPEATERS		0
135 #define	SNMP_DEF_MAX_REPETITIONS	25
136 #define	SNMP_DEF_PKTBUF_SZ		2048
137 #define	SNMP_PKTBUF_BLKSZ		1024
138 #define	SNMP_MAX_ERR    		18
139 #define	MIN_SUBIDS_IN_OID		2
140 #define	MAX_SUBIDS_IN_OID		128
141 
142 /*
143  * Exported interfaces used by other parts of snmplib
144  */
145 snmp_pdu_t	*snmp_create_pdu(int, int, char *, int, int);
146 int		snmp_make_packet(snmp_pdu_t *);
147 snmp_pdu_t	*snmp_parse_reply(int, uchar_t *, size_t);
148 void		snmp_free_pdu(snmp_pdu_t *);
149 
150 /*
151  * Imported from elsewhere
152  */
153 int		snmp_get_reqid(void);
154 
155 #ifdef	__cplusplus
156 }
157 #endif
158 
159 #endif	/* _PDU_H */
160