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 |
114 | bt_init(void) |
115 | { |
116 | |
117 | bt_lock = mutex_obj_alloc(MUTEX_DEFAULT, IPL_NONE); |
118 | } |
119 | |