kernel/net/ip/ipsecahddi.c

   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  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #pragma ident   "%Z%%M% %I%     %E% SMI"
  27
  28 #include <sys/types.h>
  29 #include <sys/conf.h>
  30 #include <sys/modctl.h>
  31 #include <sys/errno.h>
  32 #include <inet/common.h>
  33 #include <inet/ip.h>
  34 #include <inet/ipsec_impl.h>
  35
  36 #define INET_NAME       "ipsecah"
  37 #define INET_MODSTRTAB  ipsecahinfo
  38 #define INET_DEVSTRTAB  ipinfov6
  39 #define INET_MODDESC    "IPsec AH STREAMS module"
  40 #define INET_DEVDESC    "IPsec AH STREAMS driver"
  41 #define INET_DEVMINOR   0
  42 #define INET_DEVMTFLAGS IP_DEVMTFLAGS   /* since as a driver we're ip */
  43 #define INET_MODMTFLAGS (D_MP|D_MTOCEXCL|D_MTOUTPERIM)
  44
  45 #include "../inetddi.c"
  46
  47 int
  48 _init(void)
  49 {
  50         int     error;
  51
  52         /*
  53          * Note: After mod_install succeeds, another thread can enter
  54          * therefore all initialization is done before it and any
  55          * de-initialization needed done if it fails.
  56          */
  57         if (!ipsecah_ddi_init())
  58                 return (ENOMEM);
  59
  60         error = mod_install(&modlinkage);
  61         if (error != 0)
  62                 ipsecah_ddi_destroy();
  63
  64         return (error);
  65 }
  66
  67 int
  68 _fini(void)
  69 {
  70         int     error;
  71
  72         error = mod_remove(&modlinkage);
  73         if (error != 0)
  74                 return (error);
  75
  76         ipsecah_ddi_destroy();
  77         return (0);
  78 }
  79
  80 int
  81 _info(struct modinfo *modinfop)
  82 {
  83         return (mod_info(&modlinkage, modinfop));
  84 }