ng_bluetooth.c revision 180399 
10Sduke/*
22933Sakulyakh * bluetooth.c
30Sduke */
40Sduke
50Sduke/*-
60Sduke * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
70Sduke * All rights reserved.
80Sduke *
90Sduke * Redistribution and use in source and binary forms, with or without
100Sduke * modification, are permitted provided that the following conditions
110Sduke * are met:
120Sduke * 1. Redistributions of source code must retain the above copyright
130Sduke *    notice, this list of conditions and the following disclaimer.
140Sduke * 2. Redistributions in binary form must reproduce the above copyright
150Sduke *    notice, this list of conditions and the following disclaimer in the
160Sduke *    documentation and/or other materials provided with the distribution.
170Sduke *
180Sduke * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19553Sohair * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20553Sohair * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21553Sohair * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
220Sduke * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
230Sduke * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
240Sduke * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
250Sduke * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
260Sduke * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
270Sduke * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
282933Sakulyakh * SUCH DAMAGE.
290Sduke *
300Sduke * $Id: ng_bluetooth.c,v 1.3 2003/04/26 22:37:31 max Exp $
310Sduke * $FreeBSD: head/sys/netgraph/bluetooth/common/ng_bluetooth.c 180399 2008-07-10 00:15:29Z emax $
320Sduke */
330Sduke
340Sduke#include <sys/param.h>
350Sduke#include <sys/systm.h>
360Sduke#include <sys/errno.h>
370Sduke#include <sys/kernel.h>
380Sduke#include <sys/module.h>
390Sduke#include <sys/sysctl.h>
400Sduke
410Sduke#include <netgraph/bluetooth/include/ng_bluetooth.h>
420Sduke
430Sduke/*
440Sduke * Bluetooth stack sysctl globals
450Sduke */
460Sduke
470Sdukestatic u_int32_t	bluetooth_hci_command_timeout_value  = 5;   /* sec */
480Sdukestatic u_int32_t	bluetooth_hci_connect_timeout_value  = 60;  /* sec */
490Sdukestatic u_int32_t	bluetooth_hci_max_neighbor_age_value = 600; /* sec */
500Sdukestatic u_int32_t	bluetooth_l2cap_rtx_timeout_value    = 60;  /* sec */
510Sdukestatic u_int32_t	bluetooth_l2cap_ertx_timeout_value   = 300; /* sec */
520Sdukestatic u_int32_t	bluetooth_sco_rtx_timeout_value      = 60;  /* sec */
530Sduke
540Sduke/*
550Sduke * Define sysctl tree that shared by other parts of Bluetooth stack
560Sduke */
570Sduke
580SdukeSYSCTL_NODE(_net, OID_AUTO, bluetooth, CTLFLAG_RW, 0, "Bluetooth family");
590SdukeSYSCTL_INT(_net_bluetooth, OID_AUTO, version,
600Sduke	CTLFLAG_RD, 0, NG_BLUETOOTH_VERSION, "");
610Sduke
620Sduke/*
630Sduke * HCI
640Sduke */
650Sduke
660SdukeSYSCTL_NODE(_net_bluetooth, OID_AUTO, hci, CTLFLAG_RW,
670Sduke	0, "Bluetooth HCI family");
680Sduke
690Sdukestatic int
700Sdukebluetooth_set_hci_command_timeout_value(SYSCTL_HANDLER_ARGS)
710Sduke{
720Sduke	u_int32_t	value;
730Sduke	int		error;
740Sduke
750Sduke	value = bluetooth_hci_command_timeout_value;
760Sduke	error = sysctl_handle_int(oidp, &value, 0, req);
770Sduke	if (error == 0 && req->newptr != NULL) {
780Sduke		if (value > 0)
790Sduke			bluetooth_hci_command_timeout_value = value;
800Sduke		else
810Sduke			error = EINVAL;
820Sduke	}
83
84	return (error);
85} /* bluetooth_set_hci_command_timeout_value */
86
87SYSCTL_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
93static int
94bluetooth_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
111SYSCTL_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
117SYSCTL_INT(_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
125SYSCTL_NODE(_net_bluetooth, OID_AUTO, l2cap, CTLFLAG_RW,
126	0, "Bluetooth L2CAP family");
127
128static int
129bluetooth_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
147SYSCTL_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
153static int
154bluetooth_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
171SYSCTL_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
181u_int32_t
182bluetooth_hci_command_timeout(void)
183{
184	return (bluetooth_hci_command_timeout_value * hz);
185} /* bluetooth_hci_command_timeout */
186
187u_int32_t
188bluetooth_hci_connect_timeout(void)
189{
190	return (bluetooth_hci_connect_timeout_value * hz);
191} /* bluetooth_hci_connect_timeout */
192
193u_int32_t
194bluetooth_hci_max_neighbor_age(void)
195{
196	return (bluetooth_hci_max_neighbor_age_value);
197} /* bluetooth_hci_max_neighbor_age */
198
199u_int32_t
200bluetooth_l2cap_rtx_timeout(void)
201{
202	return (bluetooth_l2cap_rtx_timeout_value * hz);
203} /* bluetooth_l2cap_rtx_timeout */
204
205u_int32_t
206bluetooth_l2cap_ertx_timeout(void)
207{
208	return (bluetooth_l2cap_ertx_timeout_value * hz);
209} /* bluetooth_l2cap_ertx_timeout */
210
211u_int32_t
212bluetooth_sco_rtx_timeout(void)
213{
214	return (bluetooth_sco_rtx_timeout_value * hz);
215} /* bluetooth_sco_rtx_timeout */
216
217/*
218 * RFCOMM
219 */
220
221SYSCTL_NODE(_net_bluetooth, OID_AUTO, rfcomm, CTLFLAG_RW,
222	0, "Bluetooth RFCOMM family");
223
224/*
225 * SCO
226 */
227
228SYSCTL_NODE(_net_bluetooth, OID_AUTO, sco, CTLFLAG_RW,
229	0, "Bluetooth SCO family");
230
231static int
232bluetooth_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
249SYSCTL_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
259static int
260bluetooth_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
283static moduledata_t	bluetooth_mod = {
284	"ng_bluetooth",
285	bluetooth_modevent,
286	NULL
287};
288
289DECLARE_MODULE(ng_bluetooth, bluetooth_mod, SI_SUB_PSEUDO, SI_ORDER_ANY);
290MODULE_VERSION(ng_bluetooth, NG_BLUETOOTH_VERSION);
291
292