xref: /freebsd/sys/netgraph/bluetooth/socket/ng_btsocket.c (revision 644ca0846da3492bf286201fd9a81659d044f589)
1878ed226SJulian Elischer /*
2878ed226SJulian Elischer  * ng_btsocket.c
3c398230bSWarner Losh  */
4c398230bSWarner Losh 
5c398230bSWarner Losh /*-
6fe267a55SPedro F. Giffuni  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
7fe267a55SPedro F. Giffuni  *
8878ed226SJulian Elischer  * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
9878ed226SJulian Elischer  * All rights reserved.
10878ed226SJulian Elischer  *
11878ed226SJulian Elischer  * Redistribution and use in source and binary forms, with or without
12878ed226SJulian Elischer  * modification, are permitted provided that the following conditions
13878ed226SJulian Elischer  * are met:
14878ed226SJulian Elischer  * 1. Redistributions of source code must retain the above copyright
15878ed226SJulian Elischer  *    notice, this list of conditions and the following disclaimer.
16878ed226SJulian Elischer  * 2. Redistributions in binary form must reproduce the above copyright
17878ed226SJulian Elischer  *    notice, this list of conditions and the following disclaimer in the
18878ed226SJulian Elischer  *    documentation and/or other materials provided with the distribution.
19878ed226SJulian Elischer  *
20878ed226SJulian Elischer  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21878ed226SJulian Elischer  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22878ed226SJulian Elischer  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23878ed226SJulian Elischer  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24878ed226SJulian Elischer  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25878ed226SJulian Elischer  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26878ed226SJulian Elischer  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27878ed226SJulian Elischer  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28878ed226SJulian Elischer  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29878ed226SJulian Elischer  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30878ed226SJulian Elischer  * SUCH DAMAGE.
31878ed226SJulian Elischer  *
320986ab12SMaksim Yevmenkin  * $Id: ng_btsocket.c,v 1.4 2003/09/14 23:29:06 max Exp $
33878ed226SJulian Elischer  * $FreeBSD$
34878ed226SJulian Elischer  */
35878ed226SJulian Elischer 
36878ed226SJulian Elischer #include <sys/param.h>
37878ed226SJulian Elischer #include <sys/systm.h>
380986ab12SMaksim Yevmenkin #include <sys/bitstring.h>
39878ed226SJulian Elischer #include <sys/errno.h>
40878ed226SJulian Elischer #include <sys/domain.h>
41878ed226SJulian Elischer #include <sys/kernel.h>
42878ed226SJulian Elischer #include <sys/lock.h>
4321da5727SMaksim Yevmenkin #include <sys/mbuf.h>
44878ed226SJulian Elischer #include <sys/mutex.h>
45878ed226SJulian Elischer #include <sys/protosw.h>
46878ed226SJulian Elischer #include <sys/socket.h>
47878ed226SJulian Elischer #include <sys/socketvar.h>
48878ed226SJulian Elischer #include <sys/sysctl.h>
49f2bb1caeSJulian Elischer #include <sys/taskqueue.h>
50d0728d71SRobert Watson 
51719fb725SCraig Rodrigues #include <net/vnet.h>
52719fb725SCraig Rodrigues 
53878ed226SJulian Elischer #include <netgraph/ng_message.h>
54878ed226SJulian Elischer #include <netgraph/netgraph.h>
55b84b10f9SMaksim Yevmenkin #include <netgraph/bluetooth/include/ng_bluetooth.h>
56b84b10f9SMaksim Yevmenkin #include <netgraph/bluetooth/include/ng_hci.h>
57b84b10f9SMaksim Yevmenkin #include <netgraph/bluetooth/include/ng_l2cap.h>
58b84b10f9SMaksim Yevmenkin #include <netgraph/bluetooth/include/ng_btsocket.h>
59b84b10f9SMaksim Yevmenkin #include <netgraph/bluetooth/include/ng_btsocket_hci_raw.h>
60b84b10f9SMaksim Yevmenkin #include <netgraph/bluetooth/include/ng_btsocket_l2cap.h>
61b84b10f9SMaksim Yevmenkin #include <netgraph/bluetooth/include/ng_btsocket_rfcomm.h>
6248698a83SMaksim Yevmenkin #include <netgraph/bluetooth/include/ng_btsocket_sco.h>
63878ed226SJulian Elischer 
64878ed226SJulian Elischer static int			ng_btsocket_modevent (module_t, int, void *);
65d0728d71SRobert Watson static struct domain		ng_btsocket_domain;
66878ed226SJulian Elischer 
67878ed226SJulian Elischer /*
68878ed226SJulian Elischer  * Bluetooth raw HCI sockets
69878ed226SJulian Elischer  */
70878ed226SJulian Elischer 
71878ed226SJulian Elischer static struct pr_usrreqs	ng_btsocket_hci_raw_usrreqs = {
72756d52a1SPoul-Henning Kamp 	.pru_abort =		ng_btsocket_hci_raw_abort,
73756d52a1SPoul-Henning Kamp 	.pru_attach =		ng_btsocket_hci_raw_attach,
74756d52a1SPoul-Henning Kamp 	.pru_bind =		ng_btsocket_hci_raw_bind,
75756d52a1SPoul-Henning Kamp 	.pru_connect =		ng_btsocket_hci_raw_connect,
76756d52a1SPoul-Henning Kamp 	.pru_control =		ng_btsocket_hci_raw_control,
77756d52a1SPoul-Henning Kamp 	.pru_detach =		ng_btsocket_hci_raw_detach,
78756d52a1SPoul-Henning Kamp 	.pru_disconnect =	ng_btsocket_hci_raw_disconnect,
79756d52a1SPoul-Henning Kamp 	.pru_peeraddr =		ng_btsocket_hci_raw_peeraddr,
80756d52a1SPoul-Henning Kamp 	.pru_send =		ng_btsocket_hci_raw_send,
81756d52a1SPoul-Henning Kamp 	.pru_shutdown =		NULL,
82756d52a1SPoul-Henning Kamp 	.pru_sockaddr =		ng_btsocket_hci_raw_sockaddr,
83a152f8a3SRobert Watson 	.pru_close =		ng_btsocket_hci_raw_close,
84878ed226SJulian Elischer };
85878ed226SJulian Elischer 
86878ed226SJulian Elischer /*
87878ed226SJulian Elischer  * Bluetooth raw L2CAP sockets
88878ed226SJulian Elischer  */
89878ed226SJulian Elischer 
90878ed226SJulian Elischer static struct pr_usrreqs	ng_btsocket_l2cap_raw_usrreqs = {
91756d52a1SPoul-Henning Kamp 	.pru_abort =		ng_btsocket_l2cap_raw_abort,
92756d52a1SPoul-Henning Kamp 	.pru_attach =		ng_btsocket_l2cap_raw_attach,
93756d52a1SPoul-Henning Kamp 	.pru_bind =		ng_btsocket_l2cap_raw_bind,
94756d52a1SPoul-Henning Kamp 	.pru_connect =		ng_btsocket_l2cap_raw_connect,
95756d52a1SPoul-Henning Kamp 	.pru_control =		ng_btsocket_l2cap_raw_control,
96756d52a1SPoul-Henning Kamp 	.pru_detach =		ng_btsocket_l2cap_raw_detach,
97756d52a1SPoul-Henning Kamp 	.pru_disconnect =	ng_btsocket_l2cap_raw_disconnect,
98756d52a1SPoul-Henning Kamp 	.pru_peeraddr =		ng_btsocket_l2cap_raw_peeraddr,
99756d52a1SPoul-Henning Kamp 	.pru_send =		ng_btsocket_l2cap_raw_send,
100756d52a1SPoul-Henning Kamp 	.pru_shutdown =		NULL,
101756d52a1SPoul-Henning Kamp 	.pru_sockaddr =		ng_btsocket_l2cap_raw_sockaddr,
102a152f8a3SRobert Watson 	.pru_close =		ng_btsocket_l2cap_raw_close,
103878ed226SJulian Elischer };
104878ed226SJulian Elischer 
105878ed226SJulian Elischer /*
106878ed226SJulian Elischer  * Bluetooth SEQPACKET L2CAP sockets
107878ed226SJulian Elischer  */
108878ed226SJulian Elischer 
109878ed226SJulian Elischer static struct pr_usrreqs	ng_btsocket_l2cap_usrreqs = {
110756d52a1SPoul-Henning Kamp 	.pru_abort =		ng_btsocket_l2cap_abort,
111756d52a1SPoul-Henning Kamp 	.pru_accept =		ng_btsocket_l2cap_accept,
112756d52a1SPoul-Henning Kamp 	.pru_attach =		ng_btsocket_l2cap_attach,
113756d52a1SPoul-Henning Kamp 	.pru_bind =		ng_btsocket_l2cap_bind,
114756d52a1SPoul-Henning Kamp 	.pru_connect =		ng_btsocket_l2cap_connect,
115756d52a1SPoul-Henning Kamp 	.pru_control =		ng_btsocket_l2cap_control,
116756d52a1SPoul-Henning Kamp 	.pru_detach =		ng_btsocket_l2cap_detach,
117756d52a1SPoul-Henning Kamp 	.pru_disconnect =	ng_btsocket_l2cap_disconnect,
118756d52a1SPoul-Henning Kamp         .pru_listen =		ng_btsocket_l2cap_listen,
119756d52a1SPoul-Henning Kamp 	.pru_peeraddr =		ng_btsocket_l2cap_peeraddr,
120756d52a1SPoul-Henning Kamp 	.pru_send =		ng_btsocket_l2cap_send,
121756d52a1SPoul-Henning Kamp 	.pru_shutdown =		NULL,
122756d52a1SPoul-Henning Kamp 	.pru_sockaddr =		ng_btsocket_l2cap_sockaddr,
123a152f8a3SRobert Watson 	.pru_close =		ng_btsocket_l2cap_close,
124878ed226SJulian Elischer };
125878ed226SJulian Elischer 
126878ed226SJulian Elischer /*
127f2bb1caeSJulian Elischer  * Bluetooth STREAM RFCOMM sockets
128f2bb1caeSJulian Elischer  */
129f2bb1caeSJulian Elischer 
130f2bb1caeSJulian Elischer static struct pr_usrreqs	ng_btsocket_rfcomm_usrreqs = {
131756d52a1SPoul-Henning Kamp 	.pru_abort =		ng_btsocket_rfcomm_abort,
132756d52a1SPoul-Henning Kamp 	.pru_accept =		ng_btsocket_rfcomm_accept,
133756d52a1SPoul-Henning Kamp 	.pru_attach =		ng_btsocket_rfcomm_attach,
134756d52a1SPoul-Henning Kamp 	.pru_bind =		ng_btsocket_rfcomm_bind,
135756d52a1SPoul-Henning Kamp 	.pru_connect =		ng_btsocket_rfcomm_connect,
136756d52a1SPoul-Henning Kamp 	.pru_control =		ng_btsocket_rfcomm_control,
137756d52a1SPoul-Henning Kamp 	.pru_detach =		ng_btsocket_rfcomm_detach,
138756d52a1SPoul-Henning Kamp 	.pru_disconnect =	ng_btsocket_rfcomm_disconnect,
139756d52a1SPoul-Henning Kamp         .pru_listen =		ng_btsocket_rfcomm_listen,
140756d52a1SPoul-Henning Kamp 	.pru_peeraddr =		ng_btsocket_rfcomm_peeraddr,
141756d52a1SPoul-Henning Kamp 	.pru_send =		ng_btsocket_rfcomm_send,
142756d52a1SPoul-Henning Kamp 	.pru_shutdown =		NULL,
143756d52a1SPoul-Henning Kamp 	.pru_sockaddr =		ng_btsocket_rfcomm_sockaddr,
144a152f8a3SRobert Watson 	.pru_close =		ng_btsocket_rfcomm_close,
145f2bb1caeSJulian Elischer };
146f2bb1caeSJulian Elischer 
147f2bb1caeSJulian Elischer /*
14848698a83SMaksim Yevmenkin  * Bluetooth SEQPACKET SCO sockets
14948698a83SMaksim Yevmenkin  */
15048698a83SMaksim Yevmenkin 
15148698a83SMaksim Yevmenkin static struct pr_usrreqs	ng_btsocket_sco_usrreqs = {
15248698a83SMaksim Yevmenkin 	.pru_abort =		ng_btsocket_sco_abort,
15348698a83SMaksim Yevmenkin 	.pru_accept =		ng_btsocket_sco_accept,
15448698a83SMaksim Yevmenkin 	.pru_attach =		ng_btsocket_sco_attach,
15548698a83SMaksim Yevmenkin 	.pru_bind =		ng_btsocket_sco_bind,
15648698a83SMaksim Yevmenkin 	.pru_connect =		ng_btsocket_sco_connect,
15748698a83SMaksim Yevmenkin 	.pru_control =		ng_btsocket_sco_control,
15848698a83SMaksim Yevmenkin 	.pru_detach =		ng_btsocket_sco_detach,
15948698a83SMaksim Yevmenkin 	.pru_disconnect =	ng_btsocket_sco_disconnect,
16048698a83SMaksim Yevmenkin 	.pru_listen =		ng_btsocket_sco_listen,
16148698a83SMaksim Yevmenkin 	.pru_peeraddr =		ng_btsocket_sco_peeraddr,
16248698a83SMaksim Yevmenkin 	.pru_send =		ng_btsocket_sco_send,
16348698a83SMaksim Yevmenkin 	.pru_shutdown =		NULL,
16448698a83SMaksim Yevmenkin 	.pru_sockaddr =		ng_btsocket_sco_sockaddr,
16548698a83SMaksim Yevmenkin 	.pru_close =		ng_btsocket_sco_close,
16648698a83SMaksim Yevmenkin };
16748698a83SMaksim Yevmenkin 
16848698a83SMaksim Yevmenkin /*
169878ed226SJulian Elischer  * Definitions of protocols supported in the BLUETOOTH domain
170878ed226SJulian Elischer  */
171878ed226SJulian Elischer 
172878ed226SJulian Elischer static struct protosw		ng_btsocket_protosw[] = {
173878ed226SJulian Elischer {
174303989a2SRuslan Ermilov 	.pr_type =		SOCK_RAW,
175303989a2SRuslan Ermilov 	.pr_domain =		&ng_btsocket_domain,
176303989a2SRuslan Ermilov 	.pr_protocol =		BLUETOOTH_PROTO_HCI,
177303989a2SRuslan Ermilov 	.pr_flags =		PR_ATOMIC|PR_ADDR,
178303989a2SRuslan Ermilov 	.pr_ctloutput =		ng_btsocket_hci_raw_ctloutput,
179303989a2SRuslan Ermilov 	.pr_usrreqs =		&ng_btsocket_hci_raw_usrreqs,
180878ed226SJulian Elischer },
181878ed226SJulian Elischer {
182303989a2SRuslan Ermilov 	.pr_type =		SOCK_RAW,
183303989a2SRuslan Ermilov 	.pr_domain =		&ng_btsocket_domain,
184303989a2SRuslan Ermilov 	.pr_protocol =		BLUETOOTH_PROTO_L2CAP,
185303989a2SRuslan Ermilov 	.pr_flags =		PR_ATOMIC|PR_ADDR,
186303989a2SRuslan Ermilov 	.pr_usrreqs =		&ng_btsocket_l2cap_raw_usrreqs,
187878ed226SJulian Elischer },
188878ed226SJulian Elischer {
189303989a2SRuslan Ermilov 	.pr_type =		SOCK_SEQPACKET,
190303989a2SRuslan Ermilov 	.pr_domain =		&ng_btsocket_domain,
191303989a2SRuslan Ermilov 	.pr_protocol =		BLUETOOTH_PROTO_L2CAP,
192303989a2SRuslan Ermilov 	.pr_flags =		PR_ATOMIC|PR_CONNREQUIRED,
193303989a2SRuslan Ermilov 	.pr_ctloutput =		ng_btsocket_l2cap_ctloutput,
194303989a2SRuslan Ermilov 	.pr_usrreqs =		&ng_btsocket_l2cap_usrreqs,
195f2bb1caeSJulian Elischer },
196f2bb1caeSJulian Elischer {
197303989a2SRuslan Ermilov 	.pr_type =		SOCK_STREAM,
198303989a2SRuslan Ermilov 	.pr_domain =		&ng_btsocket_domain,
199303989a2SRuslan Ermilov 	.pr_protocol =		BLUETOOTH_PROTO_RFCOMM,
200303989a2SRuslan Ermilov 	.pr_flags =		PR_CONNREQUIRED,
201303989a2SRuslan Ermilov 	.pr_ctloutput =		ng_btsocket_rfcomm_ctloutput,
202303989a2SRuslan Ermilov 	.pr_usrreqs =		&ng_btsocket_rfcomm_usrreqs,
20348698a83SMaksim Yevmenkin },
20448698a83SMaksim Yevmenkin {
20548698a83SMaksim Yevmenkin 	.pr_type =		SOCK_SEQPACKET,
20648698a83SMaksim Yevmenkin 	.pr_domain =		&ng_btsocket_domain,
20748698a83SMaksim Yevmenkin 	.pr_protocol =		BLUETOOTH_PROTO_SCO,
20848698a83SMaksim Yevmenkin 	.pr_flags =		PR_ATOMIC|PR_CONNREQUIRED,
20948698a83SMaksim Yevmenkin 	.pr_ctloutput =		ng_btsocket_sco_ctloutput,
21048698a83SMaksim Yevmenkin 	.pr_usrreqs =		&ng_btsocket_sco_usrreqs,
21148698a83SMaksim Yevmenkin },
212878ed226SJulian Elischer };
2138dfea464SPedro F. Giffuni 
214878ed226SJulian Elischer #define ng_btsocket_protosw_end \
2158dfea464SPedro F. Giffuni 	&ng_btsocket_protosw[nitems(ng_btsocket_protosw)]
216878ed226SJulian Elischer 
217878ed226SJulian Elischer /*
218878ed226SJulian Elischer  * BLUETOOTH domain
219878ed226SJulian Elischer  */
220878ed226SJulian Elischer 
221d0728d71SRobert Watson static struct domain ng_btsocket_domain = {
222303989a2SRuslan Ermilov 	.dom_family =		AF_BLUETOOTH,
223303989a2SRuslan Ermilov 	.dom_name =		"bluetooth",
224303989a2SRuslan Ermilov 	.dom_protosw =		ng_btsocket_protosw,
225303989a2SRuslan Ermilov 	.dom_protoswNPROTOSW =	ng_btsocket_protosw_end
226878ed226SJulian Elischer };
227878ed226SJulian Elischer 
228878ed226SJulian Elischer /*
229878ed226SJulian Elischer  * Socket sysctl tree
230878ed226SJulian Elischer  */
231878ed226SJulian Elischer 
2327029da5cSPawel Biernacki SYSCTL_NODE(_net_bluetooth_hci, OID_AUTO, sockets,
2337029da5cSPawel Biernacki     CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
2347029da5cSPawel Biernacki     "Bluetooth HCI sockets family");
2357029da5cSPawel Biernacki SYSCTL_NODE(_net_bluetooth_l2cap, OID_AUTO, sockets,
2367029da5cSPawel Biernacki     CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
2377029da5cSPawel Biernacki     "Bluetooth L2CAP sockets family");
2387029da5cSPawel Biernacki SYSCTL_NODE(_net_bluetooth_rfcomm, OID_AUTO, sockets,
2397029da5cSPawel Biernacki     CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
2407029da5cSPawel Biernacki     "Bluetooth RFCOMM sockets family");
2417029da5cSPawel Biernacki SYSCTL_NODE(_net_bluetooth_sco, OID_AUTO, sockets,
2427029da5cSPawel Biernacki     CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
2437029da5cSPawel Biernacki     "Bluetooth SCO sockets family");
244878ed226SJulian Elischer 
245878ed226SJulian Elischer /*
246878ed226SJulian Elischer  * Module
247878ed226SJulian Elischer  */
248878ed226SJulian Elischer 
249878ed226SJulian Elischer static moduledata_t	ng_btsocket_mod = {
250878ed226SJulian Elischer 	"ng_btsocket",
251878ed226SJulian Elischer 	ng_btsocket_modevent,
252878ed226SJulian Elischer 	NULL
253878ed226SJulian Elischer };
254878ed226SJulian Elischer 
2554f240affSMax Laier DECLARE_MODULE(ng_btsocket, ng_btsocket_mod, SI_SUB_PROTO_DOMAIN,
2564f240affSMax Laier 	SI_ORDER_ANY);
257878ed226SJulian Elischer MODULE_VERSION(ng_btsocket, NG_BLUETOOTH_VERSION);
258878ed226SJulian Elischer MODULE_DEPEND(ng_btsocket, ng_bluetooth, NG_BLUETOOTH_VERSION,
259878ed226SJulian Elischer 	NG_BLUETOOTH_VERSION, NG_BLUETOOTH_VERSION);
260878ed226SJulian Elischer MODULE_DEPEND(ng_btsocket, netgraph, NG_ABI_VERSION,
261878ed226SJulian Elischer 	NG_ABI_VERSION, NG_ABI_VERSION);
262878ed226SJulian Elischer 
263878ed226SJulian Elischer /*
264878ed226SJulian Elischer  * Handle loading and unloading for this node type.
265878ed226SJulian Elischer  * This is to handle auxiliary linkages (e.g protocol domain addition).
266878ed226SJulian Elischer  */
267878ed226SJulian Elischer 
268878ed226SJulian Elischer static int
269878ed226SJulian Elischer ng_btsocket_modevent(module_t mod, int event, void *data)
270878ed226SJulian Elischer {
271878ed226SJulian Elischer 	int	error = 0;
272878ed226SJulian Elischer 
273878ed226SJulian Elischer 	switch (event) {
274878ed226SJulian Elischer 	case MOD_LOAD:
275878ed226SJulian Elischer 		break;
276878ed226SJulian Elischer 
277878ed226SJulian Elischer 	case MOD_UNLOAD:
278878ed226SJulian Elischer 		/* XXX can't unload protocol domain yet */
279878ed226SJulian Elischer 		error = EBUSY;
280878ed226SJulian Elischer 		break;
281878ed226SJulian Elischer 
282878ed226SJulian Elischer 	default:
283878ed226SJulian Elischer 		error = EOPNOTSUPP;
284878ed226SJulian Elischer 		break;
285878ed226SJulian Elischer 	}
286878ed226SJulian Elischer 
287878ed226SJulian Elischer 	return (error);
288878ed226SJulian Elischer } /* ng_btsocket_modevent */
289878ed226SJulian Elischer 
290*644ca084SGleb Smirnoff DOMAIN_SET(ng_btsocket_);
291