2 * Copyright (c) 2006 Itronix Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of Itronix Inc. may not be used to endorse
14 * or promote products derived from this software without specific
15 * prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
29 * $OpenBSD: sco_socket.c,v 1.1 2007/06/01 02:46:12 uwe Exp $
30 * $NetBSD: sco_socket.c,v 1.9 2007/04/21 06:15:23 plunky Exp $
33 /* load symbolic names */
34 #ifdef BLUETOOTH_DEBUG
39 #include <sys/param.h>
40 #include <sys/domain.h>
41 #include <sys/kernel.h>
44 #include <sys/protosw.h>
45 #include <sys/socket.h>
46 #include <sys/socketvar.h>
47 #include <sys/systm.h>
50 #include <sys/msgport2.h>
52 #include <netbt/bluetooth.h>
53 #include <netbt/hci.h>
54 #include <netbt/sco.h>
56 /*******************************************************************************
58 * SCO SOCK_SEQPACKET sockets - low latency audio data
61 static void sco_connecting(void *);
62 static void sco_connected(void *);
63 static void sco_disconnected(void *, int);
64 static void *sco_newconn(void *, struct sockaddr_bt *, struct sockaddr_bt *);
65 static void sco_complete(void *, int);
66 static void sco_linkmode(void *, int);
67 static void sco_input(void *, struct mbuf *);
69 static const struct btproto sco_proto = {
79 int sco_sendspace = 4096;
80 int sco_recvspace = 4096;
83 * get/set socket options
86 sco_ctloutput(netmsg_t msg)
88 struct socket *so = msg->ctloutput.base.nm_so;
89 struct sockopt *sopt = msg->ctloutput.nm_sopt;
90 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
94 #ifdef notyet /* XXX */
95 DPRINTFN(2, "req %s\n", prcorequests[req]);
103 if (sopt->sopt_level != BTPROTO_SCO) {
108 switch(sopt->sopt_dir) {
110 m = m_get(MB_WAIT, MT_DATA);
111 m->m_len = sco_getopt(pcb, sopt->sopt_name, mtod(m, uint8_t *));
118 /* XXX There are possible memory leaks (Griffin) */
119 soopt_from_kbuf(sopt, mtod(m, void *), m->m_len);
123 m = m_get(M_WAITOK, MT_DATA);
125 err = soopt_to_kbuf(sopt, mtod(m,void*), m->m_len, m->m_len);
133 err = sco_setopt(pcb, sopt->sopt_name, mtod(m, uint8_t *));
142 lwkt_replymsg(&msg->ctloutput.base.lmsg, err);
145 /*****************************************************************************
147 * SCO Protocol socket callbacks
151 sco_connecting(void *arg)
153 struct socket *so = arg;
155 DPRINTF("Connecting\n");
160 sco_connected(void *arg)
162 struct socket *so = arg;
164 DPRINTF("Connected\n");
169 sco_disconnected(void *arg, int err)
171 struct socket *so = arg;
173 DPRINTF("Disconnected (%d)\n", err);
176 soisdisconnected(so);
180 sco_newconn(void *arg, struct sockaddr_bt *laddr,
181 struct sockaddr_bt *raddr)
183 struct socket *so = arg;
185 DPRINTF("New Connection\n");
186 so = sonewconn(so, 0);
195 sco_complete(void *arg, int num)
197 struct socket *so = arg;
200 sbdroprecord(&so->so_snd.sb);
206 sco_linkmode(void *arg, int mode)
211 sco_input(void *arg, struct mbuf *m)
213 struct socket *so = arg;
216 * since this data is time sensitive, if the buffer
217 * is full we just dump data until the latest one
221 while (m->m_pkthdr.len > sbspace(&so->so_rcv))
222 sbdroprecord(&so->so_rcv.sb);
224 DPRINTFN(10, "received %d bytes\n", m->m_pkthdr.len);
226 sbappendrecord(&so->so_rcv.sb, m);
231 * Implementation of usrreqs.
234 sco_sdetach(netmsg_t msg)
236 struct socket *so = msg->detach.base.nm_so;;
239 error = sco_detach((struct sco_pcb **)&so->so_pcb);
240 lwkt_replymsg(&msg->detach.base.lmsg, error);
244 * NOTE: (so) is referenced from soabort*() and netmsg_pru_abort()
245 * will sofree() it when we return.
248 sco_sabort (netmsg_t msg)
250 struct socket *so = msg->abort.base.nm_so;
251 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
253 sco_disconnect(pcb, 0);
254 soisdisconnected(so);
256 /* msg invalid now */
260 sco_sdisconnect (netmsg_t msg)
262 struct socket *so = msg->abort.base.nm_so;
263 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
266 soisdisconnecting(so);
268 error = sco_disconnect(pcb, so->so_linger);
269 lwkt_replymsg(&msg->disconnect.base.lmsg, error);
273 sco_sattach(netmsg_t msg)
275 struct socket *so = msg->attach.base.nm_so;
276 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
282 error = soreserve(so, sco_sendspace, sco_recvspace,NULL);
284 error = sco_attach((struct sco_pcb **)&so->so_pcb,
288 lwkt_replymsg(&msg->attach.base.lmsg, error);
292 sco_sbind(netmsg_t msg)
294 struct socket *so = msg->bind.base.nm_so;
295 struct sockaddr *nam = msg->bind.nm_nam;
296 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
297 struct sockaddr_bt *sa;
300 KKASSERT(nam != NULL);
301 sa = (struct sockaddr_bt *)nam;
303 if (sa->bt_len != sizeof(struct sockaddr_bt)) {
305 } else if (sa->bt_family != AF_BLUETOOTH) {
306 error = EAFNOSUPPORT;
308 error = sco_bind(pcb, sa);
310 lwkt_replymsg(&msg->bind.base.lmsg, error);
314 sco_sconnect(netmsg_t msg)
316 struct socket *so = msg->connect.base.nm_so;
317 struct sockaddr *nam = msg->connect.nm_nam;
318 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
319 struct sockaddr_bt *sa;
322 KKASSERT(nam != NULL);
323 sa = (struct sockaddr_bt *)nam;
325 if (sa->bt_len != sizeof(struct sockaddr_bt)) {
327 } else if (sa->bt_family != AF_BLUETOOTH) {
328 error = EAFNOSUPPORT;
331 error = sco_connect(pcb, sa);
333 lwkt_replymsg(&msg->connect.base.lmsg, error);
337 sco_speeraddr(netmsg_t msg)
339 struct socket *so = msg->peeraddr.base.nm_so;
340 struct sockaddr **nam = msg->peeraddr.nm_nam;
341 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
342 struct sockaddr_bt *sa, ssa;
346 bzero(sa, sizeof *sa);
347 sa->bt_len = sizeof(struct sockaddr_bt);
348 sa->bt_family = AF_BLUETOOTH;
349 error = sco_peeraddr(pcb, sa);
350 *nam = dup_sockaddr((struct sockaddr *)sa);
351 lwkt_replymsg(&msg->peeraddr.base.lmsg, error);
355 sco_ssockaddr(netmsg_t msg)
357 struct socket *so = msg->sockaddr.base.nm_so;
358 struct sockaddr **nam = msg->sockaddr.nm_nam;
359 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
360 struct sockaddr_bt *sa, ssa;
364 bzero(sa, sizeof *sa);
365 sa->bt_len = sizeof(struct sockaddr_bt);
366 sa->bt_family = AF_BLUETOOTH;
367 error = sco_sockaddr(pcb, sa);
368 *nam = dup_sockaddr((struct sockaddr *)sa);
370 lwkt_replymsg(&msg->sockaddr.base.lmsg, error);
374 sco_sshutdown(netmsg_t msg)
376 socantsendmore(msg->shutdown.base.nm_so);
377 lwkt_replymsg(&msg->shutdown.base.lmsg, 0);
381 sco_ssend(netmsg_t msg)
383 struct socket *so = msg->send.base.nm_so;
384 struct mbuf *m = msg->send.nm_m;
385 struct mbuf *control = msg->send.nm_control;
386 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
391 if (m->m_pkthdr.len == 0)
394 if (m->m_pkthdr.len > pcb->sp_mtu) {
399 m0 = m_copym(m, 0, M_COPYALL, MB_DONTWAIT);
405 /* no use for that */
411 sbappendrecord(&so->so_snd.sb, m);
412 error = sco_send(pcb, m0);
419 lwkt_replymsg(&msg->send.base.lmsg, error);
423 sco_saccept(netmsg_t msg)
425 struct socket *so = msg->accept.base.nm_so;
426 struct sockaddr **nam = msg->accept.nm_nam;
427 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
428 struct sockaddr_bt *sa, ssa;
432 bzero(sa, sizeof *sa);
433 sa->bt_len = sizeof(struct sockaddr_bt);
434 sa->bt_family = AF_BLUETOOTH;
435 error = sco_peeraddr(pcb, sa);
436 *nam = dup_sockaddr((struct sockaddr *)sa);
438 lwkt_replymsg(&msg->accept.base.lmsg, error);
442 sco_slisten(netmsg_t msg)
444 struct socket *so = msg->listen.base.nm_so;
445 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
448 error = sco_listen(pcb);
449 lwkt_replymsg(&msg->accept.base.lmsg, error);
452 struct pr_usrreqs sco_usrreqs = {
453 .pru_abort = sco_sabort,
454 .pru_accept = sco_saccept,
455 .pru_attach = sco_sattach,
456 .pru_bind = sco_sbind,
457 .pru_connect = sco_sconnect,
458 .pru_connect2 = pr_generic_notsupp,
459 .pru_control = pr_generic_notsupp,
460 .pru_detach = sco_sdetach,
461 .pru_disconnect = sco_sdisconnect,
462 .pru_listen = sco_slisten,
463 .pru_peeraddr = sco_speeraddr,
464 .pru_rcvd = pr_generic_notsupp,
465 .pru_rcvoob = pr_generic_notsupp,
466 .pru_send = sco_ssend,
467 .pru_sense = pru_sense_null,
468 .pru_shutdown = sco_sshutdown,
469 .pru_sockaddr = sco_ssockaddr,
470 .pru_sosend = sosend,
471 .pru_soreceive = soreceive