1 /* $NetBSD: bt_proto.c,v 1.16 2016/01/21 15:41:30 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2005 Iain Hibbert.
5 * Copyright (c) 2006 Itronix Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of Itronix Inc. may not be used to endorse
17 * or promote products derived from this software without specific
18 * prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
24 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
27 * ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: bt_proto.c,v 1.16 2016/01/21 15:41:30 riastradh Exp $");
35
36 #include <sys/param.h>
37 #include <sys/domain.h>
38 #include <sys/kernel.h>
39 #include <sys/protosw.h>
40 #include <sys/socket.h>
41 #include <sys/systm.h>
42
43 #include <net/route.h>
44
45 #include <netbt/bluetooth.h>
46 #include <netbt/hci.h>
47 #include <netbt/l2cap.h>
48 #include <netbt/rfcomm.h>
49 #include <netbt/sco.h>
50
51 DOMAIN_DEFINE(btdomain); /* forward declare and add to link set */
52
53 static void bt_init(void);
54
55 PR_WRAP_CTLOUTPUT(hci_ctloutput)
56 PR_WRAP_CTLOUTPUT(sco_ctloutput)
57 PR_WRAP_CTLOUTPUT(l2cap_ctloutput)
58 PR_WRAP_CTLOUTPUT(rfcomm_ctloutput)
59
60 #define hci_ctloutput hci_ctloutput_wrapper
61 #define sco_ctloutput sco_ctloutput_wrapper
62 #define l2cap_ctloutput l2cap_ctloutput_wrapper
63 #define rfcomm_ctloutput rfcomm_ctloutput_wrapper
64
65 static const struct protosw btsw[] = {
66 { /* raw HCI commands */
67 .pr_type = SOCK_RAW,
68 .pr_domain = &btdomain,
69 .pr_protocol = BTPROTO_HCI,
70 .pr_flags = (PR_ADDR | PR_ATOMIC),
71 .pr_init = hci_init,
72 .pr_ctloutput = hci_ctloutput,
73 .pr_usrreqs = &hci_usrreqs,
74 },
75 { /* HCI SCO data (audio) */
76 .pr_type = SOCK_SEQPACKET,
77 .pr_domain = &btdomain,
78 .pr_protocol = BTPROTO_SCO,
79 .pr_flags = (PR_CONNREQUIRED | PR_ATOMIC | PR_LISTEN),
80 .pr_ctloutput = sco_ctloutput,
81 .pr_usrreqs = &sco_usrreqs,
82 },
83 { /* L2CAP Connection Oriented */
84 .pr_type = SOCK_SEQPACKET,
85 .pr_domain = &btdomain,
86 .pr_protocol = BTPROTO_L2CAP,
87 .pr_flags = (PR_CONNREQUIRED | PR_ATOMIC | PR_LISTEN),
88 .pr_ctloutput = l2cap_ctloutput,
89 .pr_usrreqs = &l2cap_usrreqs,
90 .pr_init = l2cap_init,
91 },
92 { /* RFCOMM */
93 .pr_type = SOCK_STREAM,
94 .pr_domain = &btdomain,
95 .pr_protocol = BTPROTO_RFCOMM,
96 .pr_flags = (PR_CONNREQUIRED | PR_LISTEN | PR_WANTRCVD),
97 .pr_ctloutput = rfcomm_ctloutput,
98 .pr_usrreqs = &rfcomm_usrreqs,
99 .pr_init = rfcomm_init,
100 },
101 };
102
103 struct domain btdomain = {
104 .dom_family = AF_BLUETOOTH,
105 .dom_name = "bluetooth",
106 .dom_init = bt_init,
107 .dom_protosw = btsw,
108 .dom_protoswNPROTOSW = &btsw[__arraycount(btsw)],
109 };
110
111 kmutex_t *bt_lock;
112
113 static void
bt_init(void)114 bt_init(void)
115 {
116
117 bt_lock = mutex_obj_alloc(MUTEX_DEFAULT, IPL_NONE);
118 }
119