1 /*
2 * bluetooth.c
3 */
4
5 /*-
6 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $Id: ng_bluetooth.c,v 1.3 2003/04/26 22:37:31 max Exp $
31 * $FreeBSD: src/sys/netgraph/bluetooth/common/ng_bluetooth.c,v 1.7 2007/06/04 18:25:07 dwmalone Exp $
32 */
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/errno.h>
37 #include <sys/kernel.h>
38 #include <sys/module.h>
39 #include <sys/sysctl.h>
40
41 #include <netgraph7/bluetooth/include/ng_bluetooth.h>
42
43 /*
44 * Bluetooth stack sysctl globals
45 */
46
47 static u_int32_t bluetooth_hci_command_timeout_value = 5; /* sec */
48 static u_int32_t bluetooth_hci_connect_timeout_value = 60; /* sec */
49 static u_int32_t bluetooth_hci_max_neighbor_age_value = 600; /* sec */
50 static u_int32_t bluetooth_l2cap_rtx_timeout_value = 60; /* sec */
51 static u_int32_t bluetooth_l2cap_ertx_timeout_value = 300; /* sec */
52
53 /*
54 * Define sysctl tree that shared by other parts of Bluetooth stack
55 */
56
57 SYSCTL_NODE(_net, OID_AUTO, bluetooth, CTLFLAG_RW, 0, "Bluetooth family");
58 SYSCTL_INT(_net_bluetooth, OID_AUTO, version,
59 CTLFLAG_RD, 0, NG_BLUETOOTH_VERSION, "");
60
61 /*
62 * HCI
63 */
64
65 SYSCTL_NODE(_net_bluetooth, OID_AUTO, hci, CTLFLAG_RW,
66 0, "Bluetooth HCI family");
67
68 static int
bluetooth_set_hci_command_timeout_value(SYSCTL_HANDLER_ARGS)69 bluetooth_set_hci_command_timeout_value(SYSCTL_HANDLER_ARGS)
70 {
71 u_int32_t value;
72 int error;
73
74 value = bluetooth_hci_command_timeout_value;
75 error = sysctl_handle_int(oidp, &value, 0, req);
76 if (error == 0 && req->newptr != NULL) {
77 if (value > 0)
78 bluetooth_hci_command_timeout_value = value;
79 else
80 error = EINVAL;
81 }
82
83 return (error);
84 } /* bluetooth_set_hci_command_timeout_value */
85
86 SYSCTL_PROC(_net_bluetooth_hci, OID_AUTO, command_timeout,
87 CTLTYPE_INT | CTLFLAG_RW,
88 &bluetooth_hci_command_timeout_value, 5,
89 bluetooth_set_hci_command_timeout_value,
90 "I", "HCI command timeout (sec)");
91
92 static int
bluetooth_set_hci_connect_timeout_value(SYSCTL_HANDLER_ARGS)93 bluetooth_set_hci_connect_timeout_value(SYSCTL_HANDLER_ARGS)
94 {
95 u_int32_t value;
96 int error;
97
98 value = bluetooth_hci_connect_timeout_value;
99 error = sysctl_handle_int(oidp, &value, 0, req);
100 if (error == 0 && req->newptr != NULL) {
101 if (0 < value && value <= bluetooth_l2cap_rtx_timeout_value)
102 bluetooth_hci_connect_timeout_value = value;
103 else
104 error = EINVAL;
105 }
106
107 return (error);
108 } /* bluetooth_set_hci_connect_timeout_value */
109
110 SYSCTL_PROC(_net_bluetooth_hci, OID_AUTO, connection_timeout,
111 CTLTYPE_INT | CTLFLAG_RW,
112 &bluetooth_hci_connect_timeout_value, 60,
113 bluetooth_set_hci_connect_timeout_value,
114 "I", "HCI connect timeout (sec)");
115
116 SYSCTL_INT(_net_bluetooth_hci, OID_AUTO, max_neighbor_age, CTLFLAG_RW,
117 &bluetooth_hci_max_neighbor_age_value, 600,
118 "Maximal HCI neighbor cache entry age (sec)");
119
120 /*
121 * L2CAP
122 */
123
124 SYSCTL_NODE(_net_bluetooth, OID_AUTO, l2cap, CTLFLAG_RW,
125 0, "Bluetooth L2CAP family");
126
127 static int
bluetooth_set_l2cap_rtx_timeout_value(SYSCTL_HANDLER_ARGS)128 bluetooth_set_l2cap_rtx_timeout_value(SYSCTL_HANDLER_ARGS)
129 {
130 u_int32_t value;
131 int error;
132
133 value = bluetooth_l2cap_rtx_timeout_value;
134 error = sysctl_handle_int(oidp, &value, 0, req);
135 if (error == 0 && req->newptr != NULL) {
136 if (bluetooth_hci_connect_timeout_value <= value &&
137 value <= bluetooth_l2cap_ertx_timeout_value)
138 bluetooth_l2cap_rtx_timeout_value = value;
139 else
140 error = EINVAL;
141 }
142
143 return (error);
144 } /* bluetooth_set_l2cap_rtx_timeout_value */
145
146 SYSCTL_PROC(_net_bluetooth_l2cap, OID_AUTO, rtx_timeout,
147 CTLTYPE_INT | CTLFLAG_RW,
148 &bluetooth_l2cap_rtx_timeout_value, 60,
149 bluetooth_set_l2cap_rtx_timeout_value,
150 "I", "L2CAP RTX timeout (sec)");
151
152 static int
bluetooth_set_l2cap_ertx_timeout_value(SYSCTL_HANDLER_ARGS)153 bluetooth_set_l2cap_ertx_timeout_value(SYSCTL_HANDLER_ARGS)
154 {
155 u_int32_t value;
156 int error;
157
158 value = bluetooth_l2cap_ertx_timeout_value;
159 error = sysctl_handle_int(oidp, &value, 0, req);
160 if (error == 0 && req->newptr != NULL) {
161 if (value >= bluetooth_l2cap_rtx_timeout_value)
162 bluetooth_l2cap_ertx_timeout_value = value;
163 else
164 error = EINVAL;
165 }
166
167 return (error);
168 } /* bluetooth_set_l2cap_ertx_timeout_value */
169
170 SYSCTL_PROC(_net_bluetooth_l2cap, OID_AUTO, ertx_timeout,
171 CTLTYPE_INT | CTLFLAG_RW,
172 &bluetooth_l2cap_ertx_timeout_value, 300,
173 bluetooth_set_l2cap_ertx_timeout_value,
174 "I", "L2CAP ERTX timeout (sec)");
175
176 /*
177 * Return various sysctl values
178 */
179
180 u_int32_t
bluetooth_hci_command_timeout(void)181 bluetooth_hci_command_timeout(void)
182 {
183 return (bluetooth_hci_command_timeout_value * hz);
184 } /* bluetooth_hci_command_timeout */
185
186 u_int32_t
bluetooth_hci_connect_timeout(void)187 bluetooth_hci_connect_timeout(void)
188 {
189 return (bluetooth_hci_connect_timeout_value * hz);
190 } /* bluetooth_hci_connect_timeout */
191
192 u_int32_t
bluetooth_hci_max_neighbor_age(void)193 bluetooth_hci_max_neighbor_age(void)
194 {
195 return (bluetooth_hci_max_neighbor_age_value);
196 } /* bluetooth_hci_max_neighbor_age */
197
198 u_int32_t
bluetooth_l2cap_rtx_timeout(void)199 bluetooth_l2cap_rtx_timeout(void)
200 {
201 return (bluetooth_l2cap_rtx_timeout_value * hz);
202 } /* bluetooth_l2cap_rtx_timeout */
203
204 u_int32_t
bluetooth_l2cap_ertx_timeout(void)205 bluetooth_l2cap_ertx_timeout(void)
206 {
207 return (bluetooth_l2cap_ertx_timeout_value * hz);
208 } /* bluetooth_l2cap_ertx_timeout */
209
210 /*
211 * RFCOMM
212 */
213
214 SYSCTL_NODE(_net_bluetooth, OID_AUTO, rfcomm, CTLFLAG_RW,
215 0, "Bluetooth RFCOMM family");
216
217 /*
218 * Handle loading and unloading for this code.
219 */
220
221 static int
bluetooth_modevent(module_t mod,int event,void * data)222 bluetooth_modevent(module_t mod, int event, void *data)
223 {
224 int error = 0;
225
226 switch (event) {
227 case MOD_LOAD:
228 break;
229
230 case MOD_UNLOAD:
231 break;
232
233 default:
234 error = EOPNOTSUPP;
235 break;
236 }
237
238 return (error);
239 } /* bluetooth_modevent */
240
241 /*
242 * Module
243 */
244
245 static moduledata_t bluetooth_mod = {
246 "ng_bluetooth",
247 bluetooth_modevent,
248 NULL
249 };
250
251 DECLARE_MODULE(ng_bluetooth, bluetooth_mod, SI_SUB_PSEUDO, SI_ORDER_ANY);
252 MODULE_VERSION(ng_bluetooth, NG_BLUETOOTH_VERSION);
253
254