include/rpcsvc/svc_dg_priv.h

   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 */