xref: /illumos-gate/usr/src/head/rpcsvc/svc_dg_priv.h (revision 6e270ca8)
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 #ifndef _SVC_DG_PRIV_H
28 #define	_SVC_DG_PRIV_H
29 
30 /*
31  * The svc_dg_data private datastructure shared by some services
32  * for nefarious reasons.  THIS IS NOT AN INTERFACE. DO NOT USE.
33  */
34 
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38 
39 /*
40  * The size of the option header should include sufficient space for
41  * a ucred; we reserve 32 words as before we had ucreds and we allocate
42  * sizeof (svc_dg_data) + ucred_size().  Of course, opts must be declared
43  * last so it can use the additional memory.
44  */
45 #define	MAX_OPT_WORDS	32
46 
47 /*
48  * kept in xprt->xp_p2
49  */
50 struct svc_dg_data {
51 	/* Note: optbuf must be the first field, used by ti_opts.c code */
52 	struct	netbuf optbuf;			/* netbuf for options */
53 	uint_t	 su_iosz;			/* size of send.recv buffer */
54 	uint32_t	su_xid;			/* transaction id */
55 	XDR	su_xdrs;			/* XDR handle */
56 	char	su_verfbody[MAX_AUTH_BYTES];	/* verifier body */
57 	char	*su_cache;			/* cached data, NULL if none */
58 	struct t_unitdata   su_tudata;		/* tu_data for recv */
59 	int	opts[MAX_OPT_WORDS];		/* options: MUST BE LAST */
60 };
61 
62 #define	get_svc_dg_data(xprt)	((struct svc_dg_data *)((xprt)->xp_p2))
63 
64 #ifdef __cplusplus
65 }
66 #endif
67 
68 #endif /* _SVC_DG_PRIV_H */
69