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      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 2007 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #include <sys/types.h>
     30 #include <sys/stream.h>
     31 #define	_SUN_TPI_VERSION 1
     32 #include <sys/tihdr.h>
     33 #include <sys/socket.h>
     34 #include <sys/xti_xtiopt.h>
     35 
     36 #include <net/pfpolicy.h>
     37 #include <inet/common.h>
     38 #include <netinet/ip6.h>
     39 #include <inet/ip.h>
     40 
     41 #include <netinet/in.h>
     42 #include <netinet/tcp.h>
     43 #include <inet/optcom.h>
     44 #include <inet/ipsec_impl.h>
     45 #include <inet/spdsock.h>
     46 
     47 /*
     48  * Table of all known options handled on a spdsock (PF_KEY) protocol stack.
     49  *
     50  * Note: This table contains options processed by both SPDSOCK and IP levels
     51  *       and is the superset of options that can be performed on a SPDSOCK over
     52  *	 IP stack.
     53  */
     54 
     55 opdes_t spdsock_opt_arr[] = {
     56 	{ SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, OP_PASSNEXT,
     57 	    (t_uscalar_t)sizeof (int), 0 },
     58 	{ SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, OP_PASSNEXT,
     59 	    (t_uscalar_t)sizeof (int), 0 },
     60 };
     61 
     62 /*
     63  * Table of all supported levels
     64  * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have
     65  * any supported options so we need this info separately.
     66  *
     67  * This is needed only for topmost tpi providers.
     68  */
     69 optlevel_t	spdsock_valid_levels_arr[] = {
     70 	SOL_SOCKET
     71 };
     72 
     73 #define	SPDSOCK_VALID_LEVELS_CNT	A_CNT(spdsock_valid_levels_arr)
     74 
     75 #define	SPDSOCK_OPT_ARR_CNT		A_CNT(spdsock_opt_arr)
     76 
     77 uint_t spdsock_max_optsize; /* initialized in spdsock_ddi_init() */
     78 
     79 /*
     80  * Intialize option database object for SPDSOCK
     81  *
     82  * This object represents database of options to search passed to
     83  * {sock,tpi}optcom_req() interface routine to take care of option
     84  * management and associated methods.
     85  */
     86 
     87 optdb_obj_t spdsock_opt_obj = {
     88 	NULL,			/* SPDSOCK default value function pointer */
     89 	spdsock_opt_get,	/* SPDSOCK get function pointer */
     90 	spdsock_opt_set,	/* SPDSOCK set function pointer */
     91 	B_TRUE,			/* SPDSOCK is tpi provider */
     92 	SPDSOCK_OPT_ARR_CNT,	/* SPDSOCK option database count of entries */
     93 	spdsock_opt_arr,	/* SPDSOCK option database */
     94 	SPDSOCK_VALID_LEVELS_CNT, /* SPDSOCK valid level count of entries */
     95 	spdsock_valid_levels_arr  /* SPDSOCK valid level array */
     96 };
     97