xref: /illumos-gate/usr/src/uts/common/inet/ip/rts_opt_data.c (revision 1237e847ddfab21151e04e2e69ab6173b84d30a9)
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 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <sys/types.h>
29 #include <sys/stream.h>
30 #define	_SUN_TPI_VERSION 2
31 #include <sys/tihdr.h>
32 #include <sys/socket.h>
33 #include <sys/xti_xtiopt.h>
34 
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 <netinet/ip_mroute.h>
42 #include <inet/optcom.h>
43 
44 extern int rts_opt_default(queue_t *q, t_scalar_t level, t_scalar_t name,
45     uchar_t *ptr);
46 extern int rts_opt_get(queue_t *q, t_scalar_t level, t_scalar_t name,
47     uchar_t *ptr);
48 extern int rts_opt_set(queue_t *q, uint_t optset_context, int level,
49     int name, uint_t inlen, uchar_t *invalp, uint_t *outlenp,
50     uchar_t *outvalp, void *thisdg_attrs, cred_t *cr, mblk_t *mblk);
51 
52 /*
53  * Table of all known options handled on a RTS protocol stack.
54  *
55  * Note: This table contains options processed by both RTS and IP levels
56  *       and is the superset of options that can be performed on a RTS over IP
57  *       stack.
58  */
59 opdes_t	rts_opt_arr[] = {
60 
61 { SO_DEBUG,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
62 { SO_DONTROUTE,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
63 { SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int),
64 	0 },
65 { SO_BROADCAST,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
66 { SO_REUSEADDR,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
67 { SO_TYPE,	SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
68 { SO_SNDBUF,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
69 { SO_RCVBUF,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
70 { SO_PROTOTYPE,	SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
71 { SO_DOMAIN,	SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 },
72 };
73 
74 /*
75  * Table of all supported levels
76  * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have
77  * any supported options so we need this info separately.
78  *
79  * This is needed only for topmost tpi providers and is used only by
80  * XTI interfaces.
81  */
82 optlevel_t	rts_valid_levels_arr[] = {
83 	XTI_GENERIC,
84 	SOL_SOCKET,
85 	IPPROTO_IP,
86 	IPPROTO_IPV6
87 };
88 
89 #define	RTS_VALID_LEVELS_CNT	A_CNT(rts_valid_levels_arr)
90 
91 #define	RTS_OPT_ARR_CNT		A_CNT(rts_opt_arr)
92 
93 uint_t rts_max_optsize; /* initialized in _init() */
94 
95 /*
96  * Intialize option database object for RTS
97  *
98  * This object represents database of options to search passed to
99  * {sock,tpi}optcom_req() interface routine to take care of option
100  * management and associated methods.
101  */
102 
103 optdb_obj_t rts_opt_obj = {
104 	rts_opt_default,	/* RTS default value function pointer */
105 	rts_opt_get,		/* RTS get function pointer */
106 	rts_opt_set,		/* RTS set function pointer */
107 	B_TRUE,			/* RTS is tpi provider */
108 	RTS_OPT_ARR_CNT,	/* RTS option database count of entries */
109 	rts_opt_arr,		/* RTS option database */
110 	RTS_VALID_LEVELS_CNT,	/* RTS valid level count of entries */
111 	rts_valid_levels_arr	/* RTS valid level array */
112 };
113