xref: /illumos-gate/usr/src/uts/common/inet/ip/spdsock_opt_data.c (revision 4eaa471005973e11a6110b69fe990530b3b95a38)
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