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>
42 #include <sys/malloc.h> /* for M_NOWAIT */
45 #include <sys/protosw.h>
46 #include <sys/socket.h>
47 #include <sys/socketvar.h>
48 #include <sys/systm.h>
51 #include <sys/msgport2.h>
53 #include <netbt/bluetooth.h>
54 #include <netbt/hci.h>
55 #include <netbt/sco.h>
57 /*******************************************************************************
59 * SCO SOCK_SEQPACKET sockets - low latency audio data
62 static void sco_connecting(void *);
63 static void sco_connected(void *);
64 static void sco_disconnected(void *, int);
65 static void *sco_newconn(void *, struct sockaddr_bt *, struct sockaddr_bt *);
66 static void sco_complete(void *, int);
67 static void sco_linkmode(void *, int);
68 static void sco_input(void *, struct mbuf *);
70 static const struct btproto sco_proto = {
80 int sco_sendspace = 4096;
81 int sco_recvspace = 4096;
84 * get/set socket options
87 sco_ctloutput(netmsg_t msg)
89 struct socket *so = msg->ctloutput.base.nm_so;
90 struct sockopt *sopt = msg->ctloutput.nm_sopt;
91 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
95 #ifdef notyet /* XXX */
96 DPRINTFN(2, "req %s\n", prcorequests[req]);
104 if (sopt->sopt_level != BTPROTO_SCO) {
109 switch(sopt->sopt_dir) {
111 m = m_get(M_WAITOK, MT_DATA);
112 m->m_len = sco_getopt(pcb, sopt->sopt_name, mtod(m, uint8_t *));
119 /* XXX There are possible memory leaks (Griffin) */
120 soopt_from_kbuf(sopt, mtod(m, void *), m->m_len);
124 m = m_get(M_WAITOK, MT_DATA);
126 err = soopt_to_kbuf(sopt, mtod(m,void*), m->m_len, m->m_len);
134 err = sco_setopt(pcb, sopt->sopt_name, mtod(m, uint8_t *));
143 lwkt_replymsg(&msg->ctloutput.base.lmsg, err);
146 /*****************************************************************************
148 * SCO Protocol socket callbacks
152 sco_connecting(void *arg)
154 struct socket *so = arg;
156 DPRINTF("Connecting\n");
161 sco_connected(void *arg)
163 struct socket *so = arg;
165 DPRINTF("Connected\n");
170 sco_disconnected(void *arg, int err)
172 struct socket *so = arg;
174 DPRINTF("Disconnected (%d)\n", err);
177 soisdisconnected(so);
181 sco_newconn(void *arg, struct sockaddr_bt *laddr,
182 struct sockaddr_bt *raddr)
184 struct socket *so = arg;
186 DPRINTF("New Connection\n");
187 so = sonewconn(so, 0);
196 sco_complete(void *arg, int num)
198 struct socket *so = arg;
201 sbdroprecord(&so->so_snd.sb);
207 sco_linkmode(void *arg, int mode)
212 sco_input(void *arg, struct mbuf *m)
214 struct socket *so = arg;
217 * since this data is time sensitive, if the buffer
218 * is full we just dump data until the latest one
222 while (m->m_pkthdr.len > sbspace(&so->so_rcv))
223 sbdroprecord(&so->so_rcv.sb);
225 DPRINTFN(10, "received %d bytes\n", m->m_pkthdr.len);
227 sbappendrecord(&so->so_rcv.sb, m);
232 * Implementation of usrreqs.
235 sco_sdetach(netmsg_t msg)
237 struct socket *so = msg->detach.base.nm_so;
240 error = sco_detach((struct sco_pcb **)&so->so_pcb);
241 lwkt_replymsg(&msg->detach.base.lmsg, error);
245 * NOTE: (so) is referenced from soabort*() and netmsg_pru_abort()
246 * will sofree() it when we return.
249 sco_sabort (netmsg_t msg)
251 struct socket *so = msg->abort.base.nm_so;
252 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
254 sco_disconnect(pcb, 0);
255 soisdisconnected(so);
257 /* msg invalid now */
261 sco_sdisconnect (netmsg_t msg)
263 struct socket *so = msg->abort.base.nm_so;
264 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
267 soisdisconnecting(so);
269 error = sco_disconnect(pcb, so->so_linger);
270 lwkt_replymsg(&msg->disconnect.base.lmsg, error);
274 sco_sattach(netmsg_t msg)
276 struct socket *so = msg->attach.base.nm_so;
277 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
283 error = soreserve(so, sco_sendspace, sco_recvspace,NULL);
285 error = sco_attach((struct sco_pcb **)&so->so_pcb,
289 lwkt_replymsg(&msg->attach.base.lmsg, error);
293 sco_sbind(netmsg_t msg)
295 struct socket *so = msg->bind.base.nm_so;
296 struct sockaddr *nam = msg->bind.nm_nam;
297 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
298 struct sockaddr_bt *sa;
301 KKASSERT(nam != NULL);
302 sa = (struct sockaddr_bt *)nam;
304 if (sa->bt_len != sizeof(struct sockaddr_bt)) {
306 } else if (sa->bt_family != AF_BLUETOOTH) {
307 error = EAFNOSUPPORT;
309 error = sco_bind(pcb, sa);
311 lwkt_replymsg(&msg->bind.base.lmsg, error);
315 sco_sconnect(netmsg_t msg)
317 struct socket *so = msg->connect.base.nm_so;
318 struct sockaddr *nam = msg->connect.nm_nam;
319 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
320 struct sockaddr_bt *sa;
323 KKASSERT(nam != NULL);
324 sa = (struct sockaddr_bt *)nam;
326 if (sa->bt_len != sizeof(struct sockaddr_bt)) {
328 } else if (sa->bt_family != AF_BLUETOOTH) {
329 error = EAFNOSUPPORT;
332 error = sco_connect(pcb, sa);
334 lwkt_replymsg(&msg->connect.base.lmsg, error);
338 sco_speeraddr(netmsg_t msg)
340 struct socket *so = msg->peeraddr.base.nm_so;
341 struct sockaddr **nam = msg->peeraddr.nm_nam;
342 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
343 struct sockaddr_bt *sa, ssa;
347 bzero(sa, sizeof *sa);
348 sa->bt_len = sizeof(struct sockaddr_bt);
349 sa->bt_family = AF_BLUETOOTH;
350 error = sco_peeraddr(pcb, sa);
351 *nam = dup_sockaddr((struct sockaddr *)sa);
352 lwkt_replymsg(&msg->peeraddr.base.lmsg, error);
356 sco_ssockaddr(netmsg_t msg)
358 struct socket *so = msg->sockaddr.base.nm_so;
359 struct sockaddr **nam = msg->sockaddr.nm_nam;
360 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
361 struct sockaddr_bt *sa, ssa;
365 bzero(sa, sizeof *sa);
366 sa->bt_len = sizeof(struct sockaddr_bt);
367 sa->bt_family = AF_BLUETOOTH;
368 error = sco_sockaddr(pcb, sa);
369 *nam = dup_sockaddr((struct sockaddr *)sa);
371 lwkt_replymsg(&msg->sockaddr.base.lmsg, error);
375 sco_sshutdown(netmsg_t msg)
377 socantsendmore(msg->shutdown.base.nm_so);
378 lwkt_replymsg(&msg->shutdown.base.lmsg, 0);
382 sco_ssend(netmsg_t msg)
384 struct socket *so = msg->send.base.nm_so;
385 struct mbuf *m = msg->send.nm_m;
386 struct mbuf *control = msg->send.nm_control;
387 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
392 if (m->m_pkthdr.len == 0)
395 if (m->m_pkthdr.len > pcb->sp_mtu) {
400 m0 = m_copym(m, 0, M_COPYALL, M_NOWAIT);
406 /* no use for that */
412 sbappendrecord(&so->so_snd.sb, m);
413 error = sco_send(pcb, m0);
420 lwkt_replymsg(&msg->send.base.lmsg, error);
424 sco_saccept(netmsg_t msg)
426 struct socket *so = msg->accept.base.nm_so;
427 struct sockaddr **nam = msg->accept.nm_nam;
428 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
429 struct sockaddr_bt *sa, ssa;
433 bzero(sa, sizeof *sa);
434 sa->bt_len = sizeof(struct sockaddr_bt);
435 sa->bt_family = AF_BLUETOOTH;
436 error = sco_peeraddr(pcb, sa);
437 *nam = dup_sockaddr((struct sockaddr *)sa);
439 lwkt_replymsg(&msg->accept.base.lmsg, error);
443 sco_slisten(netmsg_t msg)
445 struct socket *so = msg->listen.base.nm_so;
446 struct sco_pcb *pcb = (struct sco_pcb *)so->so_pcb;
449 error = sco_listen(pcb);
450 lwkt_replymsg(&msg->accept.base.lmsg, error);
453 struct pr_usrreqs sco_usrreqs = {
454 .pru_abort = sco_sabort,
455 .pru_accept = sco_saccept,
456 .pru_attach = sco_sattach,
457 .pru_bind = sco_sbind,
458 .pru_connect = sco_sconnect,
459 .pru_connect2 = pr_generic_notsupp,
460 .pru_control = pr_generic_notsupp,
461 .pru_detach = sco_sdetach,
462 .pru_disconnect = sco_sdisconnect,
463 .pru_listen = sco_slisten,
464 .pru_peeraddr = sco_speeraddr,
465 .pru_rcvd = pr_generic_notsupp,
466 .pru_rcvoob = pr_generic_notsupp,
467 .pru_send = sco_ssend,
468 .pru_sense = pru_sense_null,
469 .pru_shutdown = sco_sshutdown,
470 .pru_sockaddr = sco_ssockaddr,
471 .pru_sosend = sosend,
472 .pru_soreceive = soreceive