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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  * 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 };
     93