usr/src/uts/common/io/ppp/spppasyn/spppasyn_mod.c

   1 /*
   2  * spppasyn_mod.c - modload support for PPP AHDLC STREAMS module
   3  *
   4  * Copyright (c) 2011 Bayard G. Bell. All rights reserved.
   5  * Use is subject to license terms.
   6  *
   7  * CONTRIBUTOR MAKES NO REPRESENTATION OR WARRANTIES ABOUT THE SUITABILITY
   8  * OF THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
   9  * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  10  * PARTICULAR PURPOSE, OR NON-INFRINGEMENT.  CONTRIBUTOR SHALL NOT BE LIABLE
  11  * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
  12  * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES
  13  *
  14  * Permission to use, copy, modify, and distribute this software and its
  15  * documentation is hereby granted, provided that the above copyright
  16  * notice appears in all copies.
  17  *
  18  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  19  * Use is subject to license terms.
  20  *
  21  * Permission to use, copy, modify, and distribute this software and its
  22  * documentation is hereby granted, provided that the above copyright
  23  * notice appears in all copies.
  24  *
  25  * SUN MAKES NO REPRESENTATION OR WARRANTIES ABOUT THE SUITABILITY OF
  26  * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
  27  * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  28  * PARTICULAR PURPOSE, OR NON-INFRINGEMENT.  SUN SHALL NOT BE LIABLE FOR
  29  * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
  30  * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES
  31  *
  32  * Copyright (c) 1994 The Australian National University.
  33  * All rights reserved.
  34  *
  35  * Permission to use, copy, modify, and distribute this software and its
  36  * documentation is hereby granted, provided that the above copyright
  37  * notice appears in all copies.  This software is provided without any
  38  * warranty, express or implied. The Australian National University
  39  * makes no representations about the suitability of this software for
  40  * any purpose.
  41  *
  42  * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
  43  * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
  44  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
  45  * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY
  46  * OF SUCH DAMAGE.
  47  *
  48  * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
  49  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
  50  * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  51  * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
  52  * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
  53  * OR MODIFICATIONS.
  54  *
  55  * $Id: ppp_mod.c,v 1.3 1999/02/26 10:53:28 paulus Exp $
  56  */
  57
  58 #include <sys/types.h>
  59 #include <sys/conf.h>
  60 #include <sys/ddi.h>
  61 #include <sys/conf.h>
  62 #include <sys/modctl.h>
  63 #include <net/pppio.h>
  64
  65 /*
  66  * Globals for PPP AHDLC loadable module wrapper
  67  */
  68 extern struct streamtab spppasyn_tab;
  69 extern const char spppasyn_module_description[];
  70
  71 /*
  72  * Module linkage information for the kernel.
  73  */
  74 static struct fmodsw mod_fsw = {
  75         AHDLC_MOD_NAME,                                 /* f_name */
  76         &spppasyn_tab,                                  /* f_str */
  77         D_MP | D_MTPERQ                                 /* f_flag */
  78 };
  79
  80 static struct modlstrmod modlstrmod = {
  81         &mod_strmodops,                         /* strmod_modops */
  82         (char *)spppasyn_module_description,    /* strmod_linkinfo */
  83         &mod_fsw                                /* strmod_fmodsw */
  84 };
  85
  86 static struct modlinkage modlinkage = {
  87         MODREV_1,                       /* ml_rev, has to be MODREV_1 */
  88         &modlstrmod,                    /* ml_linkage, NULL-terminated list */
  89         NULL                            /*  of linkage structures */
  90 };
  91
  92 int
  93 _init(void)
  94 {
  95         return (mod_install(&modlinkage));
  96 }
  97
  98 int
  99 _fini(void)
 100 {
 101         return (mod_remove(&modlinkage));
 102 }
 103
 104 int
 105 _info(struct modinfo *modinfop)
 106 {
 107         return (mod_info(&modlinkage, modinfop));
 108 }