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