kernel/net/ip/spdsock_opt_data.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 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include <sys/types.h>
  28 #include <sys/stream.h>
  29 #define _SUN_TPI_VERSION 1
  30 #include <sys/tihdr.h>
  31 #include <sys/socket.h>
  32 #include <sys/xti_xtiopt.h>
  33
  34 #include <net/pfpolicy.h>
  35 #include <inet/common.h>
  36 #include <netinet/ip6.h>
  37 #include <inet/ip.h>
  38
  39 #include <netinet/in.h>
  40 #include <netinet/tcp.h>
  41 #include <inet/optcom.h>
  42 #include <inet/ipsec_impl.h>
  43 #include <inet/spdsock.h>
  44
  45 /*
  46  * Table of all known options handled on a spdsock (PF_KEY) protocol stack.
  47  *
  48  * Note: This table contains options processed by both SPDSOCK and IP levels
  49  *       and is the superset of options that can be performed on a SPDSOCK over
  50  *       IP stack.
  51  */
  52
  53 opdes_t spdsock_opt_arr[] = {
  54         { SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, 0,
  55             (t_uscalar_t)sizeof (int), 0 },
  56         { SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, 0,
  57             (t_uscalar_t)sizeof (int), 0 },
  58 };
  59
  60 /*
  61  * Table of all supported levels
  62  * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have
  63  * any supported options so we need this info separately.
  64  *
  65  * This is needed only for topmost tpi providers.
  66  */
  67 optlevel_t      spdsock_valid_levels_arr[] = {
  68         SOL_SOCKET
  69 };
  70
  71 #define SPDSOCK_VALID_LEVELS_CNT        A_CNT(spdsock_valid_levels_arr)
  72
  73 #define SPDSOCK_OPT_ARR_CNT             A_CNT(spdsock_opt_arr)
  74
  75 uint_t spdsock_max_optsize; /* initialized in spdsock_ddi_init() */
  76
  77 /*
  78  * Intialize option database object for SPDSOCK
  79  *
  80  * This object represents database of options to search passed to
  81  * {sock,tpi}optcom_req() interface routine to take care of option
  82  * management and associated methods.
  83  */
  84
  85 optdb_obj_t spdsock_opt_obj = {
  86         NULL,                   /* SPDSOCK default value function pointer */
  87         spdsock_opt_get,        /* SPDSOCK get function pointer */
  88         spdsock_opt_set,        /* SPDSOCK set function pointer */
  89         SPDSOCK_OPT_ARR_CNT,    /* SPDSOCK option database count of entries */
  90         spdsock_opt_arr,        /* SPDSOCK option database */
  91         SPDSOCK_VALID_LEVELS_CNT, /* SPDSOCK valid level count of entries */
  92         spdsock_valid_levels_arr  /* SPDSOCK valid level array */
  93 };