1 /*
2 * ng_btsocket.c
3 */
4
5 /*-
6 * SPDX-License-Identifier: BSD-2-Clause
7 *
8 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $Id: ng_btsocket.c,v 1.4 2003/09/14 23:29:06 max Exp $
33 */
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/bitstring.h>
38 #include <sys/errno.h>
39 #include <sys/domain.h>
40 #include <sys/kernel.h>
41 #include <sys/lock.h>
42 #include <sys/mbuf.h>
43 #include <sys/mutex.h>
44 #include <sys/protosw.h>
45 #include <sys/socket.h>
46 #include <sys/socketvar.h>
47 #include <sys/sysctl.h>
48 #include <sys/taskqueue.h>
49
50 #include <net/vnet.h>
51
52 #include <netgraph/ng_message.h>
53 #include <netgraph/netgraph.h>
54 #include <netgraph/bluetooth/include/ng_bluetooth.h>
55 #include <netgraph/bluetooth/include/ng_hci.h>
56 #include <netgraph/bluetooth/include/ng_l2cap.h>
57 #include <netgraph/bluetooth/include/ng_btsocket.h>
58 #include <netgraph/bluetooth/include/ng_btsocket_hci_raw.h>
59 #include <netgraph/bluetooth/include/ng_btsocket_l2cap.h>
60 #include <netgraph/bluetooth/include/ng_btsocket_rfcomm.h>
61 #include <netgraph/bluetooth/include/ng_btsocket_sco.h>
62
63 static int ng_btsocket_modevent (module_t, int, void *);
64
65 /*
66 * Definitions of protocols supported in the BLUETOOTH domain
67 */
68
69 /* Bluetooth raw HCI sockets */
70 static struct protosw ng_btsocket_hci_raw_protosw = {
71 .pr_type = SOCK_RAW,
72 .pr_protocol = BLUETOOTH_PROTO_HCI,
73 .pr_flags = PR_ATOMIC|PR_ADDR,
74 .pr_ctloutput = ng_btsocket_hci_raw_ctloutput,
75 .pr_abort = ng_btsocket_hci_raw_abort,
76 .pr_attach = ng_btsocket_hci_raw_attach,
77 .pr_bind = ng_btsocket_hci_raw_bind,
78 .pr_connect = ng_btsocket_hci_raw_connect,
79 .pr_control = ng_btsocket_hci_raw_control,
80 .pr_detach = ng_btsocket_hci_raw_detach,
81 .pr_disconnect = ng_btsocket_hci_raw_disconnect,
82 .pr_peeraddr = ng_btsocket_hci_raw_sockaddr,
83 .pr_send = ng_btsocket_hci_raw_send,
84 .pr_sockaddr = ng_btsocket_hci_raw_sockaddr,
85 .pr_close = ng_btsocket_hci_raw_close,
86 };
87
88 /* Bluetooth raw L2CAP sockets */
89 static struct protosw ng_btsocket_l2cap_raw_protosw = {
90 .pr_type = SOCK_RAW,
91 .pr_protocol = BLUETOOTH_PROTO_L2CAP,
92 .pr_flags = PR_ATOMIC|PR_ADDR,
93 .pr_abort = ng_btsocket_l2cap_raw_abort,
94 .pr_attach = ng_btsocket_l2cap_raw_attach,
95 .pr_bind = ng_btsocket_l2cap_raw_bind,
96 .pr_connect = ng_btsocket_l2cap_raw_connect,
97 .pr_control = ng_btsocket_l2cap_raw_control,
98 .pr_detach = ng_btsocket_l2cap_raw_detach,
99 .pr_disconnect = ng_btsocket_l2cap_raw_disconnect,
100 .pr_peeraddr = ng_btsocket_l2cap_raw_peeraddr,
101 .pr_send = ng_btsocket_l2cap_raw_send,
102 .pr_sockaddr = ng_btsocket_l2cap_raw_sockaddr,
103 .pr_close = ng_btsocket_l2cap_raw_close,
104 };
105
106 /* Bluetooth SEQPACKET L2CAP sockets */
107 static struct protosw ng_btsocket_l2cap_protosw = {
108 .pr_type = SOCK_SEQPACKET,
109 .pr_protocol = BLUETOOTH_PROTO_L2CAP,
110 .pr_flags = PR_ATOMIC|PR_CONNREQUIRED,
111 .pr_ctloutput = ng_btsocket_l2cap_ctloutput,
112 .pr_abort = ng_btsocket_l2cap_abort,
113 .pr_accept = ng_btsocket_l2cap_peeraddr,
114 .pr_attach = ng_btsocket_l2cap_attach,
115 .pr_bind = ng_btsocket_l2cap_bind,
116 .pr_connect = ng_btsocket_l2cap_connect,
117 .pr_control = ng_btsocket_l2cap_control,
118 .pr_detach = ng_btsocket_l2cap_detach,
119 .pr_disconnect = ng_btsocket_l2cap_disconnect,
120 .pr_listen = ng_btsocket_l2cap_listen,
121 .pr_peeraddr = ng_btsocket_l2cap_peeraddr,
122 .pr_send = ng_btsocket_l2cap_send,
123 .pr_sockaddr = ng_btsocket_l2cap_sockaddr,
124 .pr_close = ng_btsocket_l2cap_close,
125 };
126
127 /* Bluetooth STREAM RFCOMM sockets */
128 static struct protosw ng_btsocket_rfcomm_protosw = {
129 .pr_type = SOCK_STREAM,
130 .pr_protocol = BLUETOOTH_PROTO_RFCOMM,
131 .pr_flags = PR_CONNREQUIRED,
132 .pr_ctloutput = ng_btsocket_rfcomm_ctloutput,
133 .pr_abort = ng_btsocket_rfcomm_abort,
134 .pr_accept = ng_btsocket_rfcomm_peeraddr,
135 .pr_attach = ng_btsocket_rfcomm_attach,
136 .pr_bind = ng_btsocket_rfcomm_bind,
137 .pr_connect = ng_btsocket_rfcomm_connect,
138 .pr_control = ng_btsocket_rfcomm_control,
139 .pr_detach = ng_btsocket_rfcomm_detach,
140 .pr_disconnect = ng_btsocket_rfcomm_disconnect,
141 .pr_listen = ng_btsocket_rfcomm_listen,
142 .pr_peeraddr = ng_btsocket_rfcomm_peeraddr,
143 .pr_send = ng_btsocket_rfcomm_send,
144 .pr_sockaddr = ng_btsocket_rfcomm_sockaddr,
145 .pr_close = ng_btsocket_rfcomm_close,
146 };
147
148 /* Bluetooth SEQPACKET SCO sockets */
149 static struct protosw ng_btsocket_sco_protosw = {
150 .pr_type = SOCK_SEQPACKET,
151 .pr_protocol = BLUETOOTH_PROTO_SCO,
152 .pr_flags = PR_ATOMIC|PR_CONNREQUIRED,
153 .pr_ctloutput = ng_btsocket_sco_ctloutput,
154 .pr_abort = ng_btsocket_sco_abort,
155 .pr_accept = ng_btsocket_sco_peeraddr,
156 .pr_attach = ng_btsocket_sco_attach,
157 .pr_bind = ng_btsocket_sco_bind,
158 .pr_connect = ng_btsocket_sco_connect,
159 .pr_control = ng_btsocket_sco_control,
160 .pr_detach = ng_btsocket_sco_detach,
161 .pr_disconnect = ng_btsocket_sco_disconnect,
162 .pr_listen = ng_btsocket_sco_listen,
163 .pr_peeraddr = ng_btsocket_sco_peeraddr,
164 .pr_send = ng_btsocket_sco_send,
165 .pr_sockaddr = ng_btsocket_sco_sockaddr,
166 .pr_close = ng_btsocket_sco_close,
167 };
168
169 /*
170 * BLUETOOTH domain
171 */
172
173 static struct domain ng_btsocket_domain = {
174 .dom_family = AF_BLUETOOTH,
175 .dom_name = "bluetooth",
176 .dom_nprotosw = 5,
177 .dom_protosw = {
178 &ng_btsocket_hci_raw_protosw,
179 &ng_btsocket_l2cap_raw_protosw,
180 &ng_btsocket_l2cap_protosw,
181 &ng_btsocket_rfcomm_protosw,
182 &ng_btsocket_sco_protosw,
183 },
184 };
185
186 /*
187 * Socket sysctl tree
188 */
189
190 SYSCTL_NODE(_net_bluetooth_hci, OID_AUTO, sockets,
191 CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
192 "Bluetooth HCI sockets family");
193 SYSCTL_NODE(_net_bluetooth_l2cap, OID_AUTO, sockets,
194 CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
195 "Bluetooth L2CAP sockets family");
196 SYSCTL_NODE(_net_bluetooth_rfcomm, OID_AUTO, sockets,
197 CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
198 "Bluetooth RFCOMM sockets family");
199 SYSCTL_NODE(_net_bluetooth_sco, OID_AUTO, sockets,
200 CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
201 "Bluetooth SCO sockets family");
202
203 /*
204 * Module
205 */
206
207 static moduledata_t ng_btsocket_mod = {
208 "ng_btsocket",
209 ng_btsocket_modevent,
210 NULL
211 };
212
213 DECLARE_MODULE(ng_btsocket, ng_btsocket_mod, SI_SUB_PROTO_DOMAIN,
214 SI_ORDER_ANY);
215 MODULE_VERSION(ng_btsocket, NG_BLUETOOTH_VERSION);
216 MODULE_DEPEND(ng_btsocket, ng_bluetooth, NG_BLUETOOTH_VERSION,
217 NG_BLUETOOTH_VERSION, NG_BLUETOOTH_VERSION);
218 MODULE_DEPEND(ng_btsocket, netgraph, NG_ABI_VERSION,
219 NG_ABI_VERSION, NG_ABI_VERSION);
220
221 /*
222 * Handle loading and unloading for this node type.
223 * This is to handle auxiliary linkages (e.g protocol domain addition).
224 */
225
226 static int
ng_btsocket_modevent(module_t mod,int event,void * data)227 ng_btsocket_modevent(module_t mod, int event, void *data)
228 {
229 int error = 0;
230
231 switch (event) {
232 case MOD_LOAD:
233 break;
234
235 case MOD_UNLOAD:
236 /* XXX can't unload protocol domain yet */
237 error = EBUSY;
238 break;
239
240 default:
241 error = EOPNOTSUPP;
242 break;
243 }
244
245 return (error);
246 } /* ng_btsocket_modevent */
247
248 DOMAIN_SET(ng_btsocket_);
249