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 * $FreeBSD$
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 <netgraph/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 static u_int32_t bluetooth_sco_rtx_timeout_value = 60; /* sec */
53
54 /*
55 * Define sysctl tree that shared by other parts of Bluetooth stack
56 */
57
58 SYSCTL_NODE(_net, OID_AUTO, bluetooth, CTLFLAG_RW, 0, "Bluetooth family");
59 SYSCTL_INT(_net_bluetooth, OID_AUTO, version,
60 CTLFLAG_RD, SYSCTL_NULL_INT_PTR, NG_BLUETOOTH_VERSION, "Version of the stack");
61
62 /*
63 * HCI
64 */
65
66 SYSCTL_NODE(_net_bluetooth, OID_AUTO, hci, CTLFLAG_RW,
67 0, "Bluetooth HCI family");
68
69 static int
bluetooth_set_hci_command_timeout_value(SYSCTL_HANDLER_ARGS)70 bluetooth_set_hci_command_timeout_value(SYSCTL_HANDLER_ARGS)
71 {
72 u_int32_t value;
73 int error;
74
75 value = bluetooth_hci_command_timeout_value;
76 error = sysctl_handle_int(oidp, &value, 0, req);
77 if (error == 0 && req->newptr != NULL) {
78 if (value > 0)
79 bluetooth_hci_command_timeout_value = value;
80 else
81 error = EINVAL;
82 }
83
84 return (error);
85 } /* bluetooth_set_hci_command_timeout_value */
86
87 SYSCTL_PROC(_net_bluetooth_hci, OID_AUTO, command_timeout,
88 CTLTYPE_INT | CTLFLAG_RW,
89 &bluetooth_hci_command_timeout_value, 5,
90 bluetooth_set_hci_command_timeout_value,
91 "I", "HCI command timeout (sec)");
92
93 static int
bluetooth_set_hci_connect_timeout_value(SYSCTL_HANDLER_ARGS)94 bluetooth_set_hci_connect_timeout_value(SYSCTL_HANDLER_ARGS)
95 {
96 u_int32_t value;
97 int error;
98
99 value = bluetooth_hci_connect_timeout_value;
100 error = sysctl_handle_int(oidp, &value, 0, req);
101 if (error == 0 && req->newptr != NULL) {
102 if (0 < value && value <= bluetooth_l2cap_rtx_timeout_value)
103 bluetooth_hci_connect_timeout_value = value;
104 else
105 error = EINVAL;
106 }
107
108 return (error);
109 } /* bluetooth_set_hci_connect_timeout_value */
110
111 SYSCTL_PROC(_net_bluetooth_hci, OID_AUTO, connection_timeout,
112 CTLTYPE_INT | CTLFLAG_RW,
113 &bluetooth_hci_connect_timeout_value, 60,
114 bluetooth_set_hci_connect_timeout_value,
115 "I", "HCI connect timeout (sec)");
116
117 SYSCTL_UINT(_net_bluetooth_hci, OID_AUTO, max_neighbor_age, CTLFLAG_RW,
118 &bluetooth_hci_max_neighbor_age_value, 600,
119 "Maximal HCI neighbor cache entry age (sec)");
120
121 /*
122 * L2CAP
123 */
124
125 SYSCTL_NODE(_net_bluetooth, OID_AUTO, l2cap, CTLFLAG_RW,
126 0, "Bluetooth L2CAP family");
127
128 static int
bluetooth_set_l2cap_rtx_timeout_value(SYSCTL_HANDLER_ARGS)129 bluetooth_set_l2cap_rtx_timeout_value(SYSCTL_HANDLER_ARGS)
130 {
131 u_int32_t value;
132 int error;
133
134 value = bluetooth_l2cap_rtx_timeout_value;
135 error = sysctl_handle_int(oidp, &value, 0, req);
136 if (error == 0 && req->newptr != NULL) {
137 if (bluetooth_hci_connect_timeout_value <= value &&
138 value <= bluetooth_l2cap_ertx_timeout_value)
139 bluetooth_l2cap_rtx_timeout_value = value;
140 else
141 error = EINVAL;
142 }
143
144 return (error);
145 } /* bluetooth_set_l2cap_rtx_timeout_value */
146
147 SYSCTL_PROC(_net_bluetooth_l2cap, OID_AUTO, rtx_timeout,
148 CTLTYPE_INT | CTLFLAG_RW,
149 &bluetooth_l2cap_rtx_timeout_value, 60,
150 bluetooth_set_l2cap_rtx_timeout_value,
151 "I", "L2CAP RTX timeout (sec)");
152
153 static int
bluetooth_set_l2cap_ertx_timeout_value(SYSCTL_HANDLER_ARGS)154 bluetooth_set_l2cap_ertx_timeout_value(SYSCTL_HANDLER_ARGS)
155 {
156 u_int32_t value;
157 int error;
158
159 value = bluetooth_l2cap_ertx_timeout_value;
160 error = sysctl_handle_int(oidp, &value, 0, req);
161 if (error == 0 && req->newptr != NULL) {
162 if (value >= bluetooth_l2cap_rtx_timeout_value)
163 bluetooth_l2cap_ertx_timeout_value = value;
164 else
165 error = EINVAL;
166 }
167
168 return (error);
169 } /* bluetooth_set_l2cap_ertx_timeout_value */
170
171 SYSCTL_PROC(_net_bluetooth_l2cap, OID_AUTO, ertx_timeout,
172 CTLTYPE_INT | CTLFLAG_RW,
173 &bluetooth_l2cap_ertx_timeout_value, 300,
174 bluetooth_set_l2cap_ertx_timeout_value,
175 "I", "L2CAP ERTX timeout (sec)");
176
177 /*
178 * Return various sysctl values
179 */
180
181 u_int32_t
bluetooth_hci_command_timeout(void)182 bluetooth_hci_command_timeout(void)
183 {
184 return (bluetooth_hci_command_timeout_value * hz);
185 } /* bluetooth_hci_command_timeout */
186
187 u_int32_t
bluetooth_hci_connect_timeout(void)188 bluetooth_hci_connect_timeout(void)
189 {
190 return (bluetooth_hci_connect_timeout_value * hz);
191 } /* bluetooth_hci_connect_timeout */
192
193 u_int32_t
bluetooth_hci_max_neighbor_age(void)194 bluetooth_hci_max_neighbor_age(void)
195 {
196 return (bluetooth_hci_max_neighbor_age_value);
197 } /* bluetooth_hci_max_neighbor_age */
198
199 u_int32_t
bluetooth_l2cap_rtx_timeout(void)200 bluetooth_l2cap_rtx_timeout(void)
201 {
202 return (bluetooth_l2cap_rtx_timeout_value * hz);
203 } /* bluetooth_l2cap_rtx_timeout */
204
205 u_int32_t
bluetooth_l2cap_ertx_timeout(void)206 bluetooth_l2cap_ertx_timeout(void)
207 {
208 return (bluetooth_l2cap_ertx_timeout_value * hz);
209 } /* bluetooth_l2cap_ertx_timeout */
210
211 u_int32_t
bluetooth_sco_rtx_timeout(void)212 bluetooth_sco_rtx_timeout(void)
213 {
214 return (bluetooth_sco_rtx_timeout_value * hz);
215 } /* bluetooth_sco_rtx_timeout */
216
217 /*
218 * RFCOMM
219 */
220
221 SYSCTL_NODE(_net_bluetooth, OID_AUTO, rfcomm, CTLFLAG_RW,
222 0, "Bluetooth RFCOMM family");
223
224 /*
225 * SCO
226 */
227
228 SYSCTL_NODE(_net_bluetooth, OID_AUTO, sco, CTLFLAG_RW,
229 0, "Bluetooth SCO family");
230
231 static int
bluetooth_set_sco_rtx_timeout_value(SYSCTL_HANDLER_ARGS)232 bluetooth_set_sco_rtx_timeout_value(SYSCTL_HANDLER_ARGS)
233 {
234 u_int32_t value;
235 int error;
236
237 value = bluetooth_sco_rtx_timeout_value;
238 error = sysctl_handle_int(oidp, &value, 0, req);
239 if (error == 0 && req->newptr != NULL) {
240 if (bluetooth_hci_connect_timeout_value <= value)
241 bluetooth_sco_rtx_timeout_value = value;
242 else
243 error = EINVAL;
244 }
245
246 return (error);
247 } /* bluetooth_set_sco_rtx_timeout_value */
248
249 SYSCTL_PROC(_net_bluetooth_sco, OID_AUTO, rtx_timeout,
250 CTLTYPE_INT | CTLFLAG_RW,
251 &bluetooth_sco_rtx_timeout_value, 60,
252 bluetooth_set_sco_rtx_timeout_value,
253 "I", "SCO RTX timeout (sec)");
254
255 /*
256 * Handle loading and unloading for this code.
257 */
258
259 static int
bluetooth_modevent(module_t mod,int event,void * data)260 bluetooth_modevent(module_t mod, int event, void *data)
261 {
262 int error = 0;
263
264 switch (event) {
265 case MOD_LOAD:
266 break;
267
268 case MOD_UNLOAD:
269 break;
270
271 default:
272 error = EOPNOTSUPP;
273 break;
274 }
275
276 return (error);
277 } /* bluetooth_modevent */
278
279 /*
280 * Module
281 */
282
283 static moduledata_t bluetooth_mod = {
284 "ng_bluetooth",
285 bluetooth_modevent,
286 NULL
287 };
288
289 DECLARE_MODULE(ng_bluetooth, bluetooth_mod, SI_SUB_PSEUDO, SI_ORDER_ANY);
290 MODULE_VERSION(ng_bluetooth, NG_BLUETOOTH_VERSION);
291
292