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 2010 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /*
28 * Copyright 2012 David Hoeppner. All rights reserved.
29 */
30
31 /*
32 * This file contains functions related to getting and setting options
33 * thought the getsockopt and setsockopt socket functions.
34 */
35
36 #include <sys/types.h>
37 #include <sys/stream.h>
38 #define _SUN_TPI_VERSION 2
39 #include <sys/tihdr.h>
40 #include <sys/xti_xtiopt.h>
41 #include <sys/xti_inet.h>
42 #include <sys/policy.h>
43
44 #include <inet/common.h>
45 #include <inet/ip.h>
46 #include <inet/optcom.h>
47 #include <netinet/ip.h>
48
49 #include <sys/cmn_err.h>
50
51 #include "dccp_impl.h"
52
53 static int dccp_opt_default(queue_t *, int, int, uchar_t *);
54
55 /*
56 * Supported options.
57 */
58 opdes_t dccp_opt_arr[] = {
59 { SO_DEBUG, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 },
60 };
61
62 /*
63 * Supported levels.
64 */
65 optlevel_t dccp_valid_levels_arr[] = {
66 SOL_SOCKET,
67 };
68
69 #define DCCP_OPT_ARR_CNT A_CNT(dccp_opt_arr)
70 #define DCCP_VALID_LEVELS_CNT A_CNT(dccp_valid_levels_arr)
71
72 uint_t dccp_max_optsize;
73
74 /*
75 * Options database object.
76 */
77 optdb_obj_t dccp_opt_obj = {
78 dccp_opt_default,
79 dccp_tpi_opt_get,
80 dccp_tpi_opt_set,
81 DCCP_OPT_ARR_CNT,
82 dccp_opt_arr,
83 DCCP_VALID_LEVELS_CNT,
84 dccp_valid_levels_arr,
85 };
86
87 /*
88 * Default value for certain options.
89 */
90 int
91 dccp_opt_default(queue_t *q, int level, int name, uchar_t *ptr)
92 {
93 dccp_stack_t *dccps = Q_TO_DCCP(q)->dccp_dccps;
94 int32_t *il = (int32_t *)ptr;
95
96 return (sizeof (int));
97 }
98
99 int
100 dccp_opt_get(conn_t *connp, int level, int name, uchar_t *ptr)
101 {
102 dccp_t *dccp = connp->conn_dccp;
103 conn_opt_arg_t coas;
104 int retval;
105
106 coas.coa_connp = connp;
107 coas.coa_ixa = connp->conn_ixa;
108 coas.coa_ipp = &connp->conn_xmit_ipp;
109 coas.coa_ancillary = B_FALSE;
110 coas.coa_changed = 0;
111
112 switch (level) {
113 case SOL_SOCKET:
114 break;
115 case IPPROTO_TCP:
116 break;
117 case IPPROTO_IP:
118 break;
119 case IPPROTO_IPV6:
120 break;
121 }
122
123 mutex_enter(&connp->conn_lock);
124 retval = conn_opt_get(&coas, level, name, ptr);
125 mutex_exit(&connp->conn_lock);
126
127 return (retval);
128 }
129
130 /* ARGSUSED */
131 int
132 dccp_opt_set(conn_t *connp, uint_t optset_context, int level, int name,
133 uint_t inlen, uchar_t *invalp, uint_t *outlenp, uchar_t *outvalp,
134 void *thisdg_attrs, cred_t *cr)
135 {
136 dccp_t *dccp = connp->conn_dccp;
137 dccp_stack_t *dccps = dccp->dccp_dccps;
138 conn_opt_arg_t coas;
139 int *i1 = (int *)invalp;
140 int error;
141
142 coas.coa_connp = connp;
143 coas.coa_ancillary = B_FALSE;
144 coas.coa_changed = 0;
145
146 error = conn_opt_set(&coas, level, name, inlen, invalp,
147 B_FALSE, cr);
148 if (error !=0) {
149 *outlenp = 0;
150 return (error);
151 }
152
153 return (0);
154 }