1 /* $OpenBSD: rfcomm_socket.c,v 1.1 2007/06/01 02:46:12 uwe Exp $ */
2 /* $NetBSD: rfcomm_socket.c,v 1.7 2007/04/21 06:15:23 plunky Exp $ */
3 /* $DragonFly: src/sys/netbt/rfcomm_socket.c,v 1.1 2007/12/30 20:02:56 hasso Exp $ */
6 * Copyright (c) 2006 Itronix Inc.
9 * Written by Iain Hibbert for Itronix Inc.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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 * 3. The name of Itronix Inc. may not be used to endorse
20 * or promote products derived from this software without specific
21 * prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
27 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
30 * ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
36 #include <sys/cdefs.h>
38 /* load symbolic names */
39 #ifdef BLUETOOTH_DEBUG
44 #include <sys/param.h>
45 #include <sys/domain.h>
46 #include <sys/kernel.h>
49 #include <sys/protosw.h>
50 #include <sys/socket.h>
51 #include <sys/socketvar.h>
52 #include <sys/systm.h>
53 #include <vm/vm_zone.h>
55 #include <netbt/bluetooth.h>
56 #include <netbt/hci.h> /* XXX for EPASSTHROUGH */
57 #include <netbt/rfcomm.h>
59 /****************************************************************************
61 * RFCOMM SOCK_STREAM Sockets - serial line emulation
65 static void rfcomm_connecting(void *);
66 static void rfcomm_connected(void *);
67 static void rfcomm_disconnected(void *, int);
68 static void *rfcomm_newconn(void *, struct sockaddr_bt *, struct sockaddr_bt *);
69 static void rfcomm_complete(void *, int);
70 static void rfcomm_linkmode(void *, int);
71 static void rfcomm_input(void *, struct mbuf *);
73 static const struct btproto rfcomm_proto = {
83 /* sysctl variables */
84 int rfcomm_sendspace = 4096;
85 int rfcomm_recvspace = 4096;
88 * rfcomm_ctloutput(request, socket, level, optname, opt)
92 rfcomm_ctloutput(struct socket *so, struct sockopt *sopt)
94 struct rfcomm_dlc *pcb = (struct rfcomm_dlc *) so->so_pcb;
98 #ifdef notyet /* XXX */
99 DPRINTFN(2, "%s\n", prcorequests[sopt->sopt_dir]);
105 if (sopt->sopt_level != BTPROTO_RFCOMM)
108 switch(sopt->sopt_dir) {
110 m = m_get(M_WAITOK, MT_DATA);
112 m->m_len = rfcomm_getopt(pcb, sopt->sopt_name, mtod(m, void *));
119 err = sooptcopyout(sopt, mtod(m, void *), m->m_len);
123 err = rfcomm_setopt2(pcb, sopt->sopt_name, so, sopt);
135 /**********************************************************************
141 rfcomm_connecting(void *arg)
143 /* struct socket *so = arg; */
145 KKASSERT(arg != NULL);
146 DPRINTF("Connecting\n");
150 rfcomm_connected(void *arg)
152 struct socket *so = arg;
154 KKASSERT(so != NULL);
155 DPRINTF("Connected\n");
160 rfcomm_disconnected(void *arg, int err)
162 struct socket *so = arg;
164 KKASSERT(so != NULL);
165 DPRINTF("Disconnected\n");
168 soisdisconnected(so);
172 rfcomm_newconn(void *arg, struct sockaddr_bt *laddr,
173 struct sockaddr_bt *raddr)
175 struct socket *so = arg;
177 DPRINTF("New Connection\n");
178 so = sonewconn(so, 0);
188 * rfcomm_complete(rfcomm_dlc, length)
190 * length bytes are sent and may be removed from socket buffer
193 rfcomm_complete(void *arg, int length)
195 struct socket *so = arg;
197 sbdrop(&so->so_snd.sb, length);
202 * rfcomm_linkmode(rfcomm_dlc, new)
204 * link mode change notification.
207 rfcomm_linkmode(void *arg, int new)
209 struct socket *so = arg;
212 DPRINTF("auth %s, encrypt %s, secure %s\n",
213 (new & RFCOMM_LM_AUTH ? "on" : "off"),
214 (new & RFCOMM_LM_ENCRYPT ? "on" : "off"),
215 (new & RFCOMM_LM_SECURE ? "on" : "off"));
217 (void)rfcomm_getopt(so->so_pcb, SO_RFCOMM_LM, &mode);
218 if (((mode & RFCOMM_LM_AUTH) && !(new & RFCOMM_LM_AUTH))
219 || ((mode & RFCOMM_LM_ENCRYPT) && !(new & RFCOMM_LM_ENCRYPT))
220 || ((mode & RFCOMM_LM_SECURE) && !(new & RFCOMM_LM_SECURE)))
221 rfcomm_disconnect(so->so_pcb, 0);
225 * rfcomm_input(rfcomm_dlc, mbuf)
228 rfcomm_input(void *arg, struct mbuf *m)
230 struct socket *so = arg;
232 KKASSERT(so != NULL);
234 if (m->m_pkthdr.len > sbspace(&so->so_rcv)) {
235 kprintf("%s: %d bytes dropped (socket buffer full)\n",
236 __func__, m->m_pkthdr.len);
241 DPRINTFN(10, "received %d bytes\n", m->m_pkthdr.len);
243 sbappendstream(&so->so_rcv.sb, m);
248 * Implementation of usrreqs.
251 rfcomm_sdetach(struct socket *so)
253 return rfcomm_detach((struct rfcomm_dlc **)&so->so_pcb);
257 rfcomm_sabort (struct socket *so)
259 struct rfcomm_dlc *pcb = (struct rfcomm_dlc *) so->so_pcb;
261 rfcomm_disconnect(pcb, 0);
262 soisdisconnected(so);
263 return rfcomm_sdetach(so);
267 rfcomm_sdisconnect (struct socket *so)
269 struct rfcomm_dlc *pcb = (struct rfcomm_dlc *) so->so_pcb;
271 soisdisconnecting(so);
272 return rfcomm_disconnect(pcb, so->so_linger);
276 rfcomm_scontrol (struct socket *so, u_long cmd, caddr_t data,
277 struct ifnet *ifp, struct thread *td)
283 rfcomm_sattach (struct socket *so, int proto,
284 struct pru_attach_info *ai)
286 struct rfcomm_dlc *pcb = (struct rfcomm_dlc *) so->so_pcb;
293 * Since we have nothing to add, we attach the DLC
294 * structure directly to our PCB pointer.
296 err = rfcomm_attach((struct rfcomm_dlc **)&so->so_pcb,
301 err = soreserve(so, rfcomm_sendspace, rfcomm_recvspace,NULL);
305 err = rfcomm_rcvd(so->so_pcb, sbspace(&so->so_rcv));
313 rfcomm_sbind (struct socket *so, struct sockaddr *nam,
316 struct rfcomm_dlc *pcb = (struct rfcomm_dlc *) so->so_pcb;
317 struct sockaddr_bt *sa;
319 KKASSERT(nam != NULL);
320 sa = (struct sockaddr_bt *)nam;
322 if (sa->bt_len != sizeof(struct sockaddr_bt))
325 if (sa->bt_family != AF_BLUETOOTH)
328 return rfcomm_bind(pcb, sa);
332 rfcomm_sconnect (struct socket *so, struct sockaddr *nam,
335 struct rfcomm_dlc *pcb = (struct rfcomm_dlc *) so->so_pcb;
336 struct sockaddr_bt *sa;
338 KKASSERT(nam != NULL);
339 sa = (struct sockaddr_bt *)nam;
341 if (sa->bt_len != sizeof(struct sockaddr_bt))
344 if (sa->bt_family != AF_BLUETOOTH)
348 return rfcomm_connect(pcb, sa);
352 rfcomm_speeraddr (struct socket *so, struct sockaddr **nam)
354 struct rfcomm_dlc *pcb = (struct rfcomm_dlc *) so->so_pcb;
355 struct sockaddr_bt *sa, ssa;
359 bzero(sa, sizeof *sa);
360 sa->bt_len = sizeof(struct sockaddr_bt);
361 sa->bt_family = AF_BLUETOOTH;
362 e = rfcomm_peeraddr(pcb, sa);;
363 *nam = dup_sockaddr((struct sockaddr *)sa);
368 rfcomm_ssockaddr (struct socket *so, struct sockaddr **nam)
370 struct rfcomm_dlc *pcb = (struct rfcomm_dlc *) so->so_pcb;
371 struct sockaddr_bt *sa, ssa;
375 bzero(sa, sizeof *sa);
376 sa->bt_len = sizeof(struct sockaddr_bt);
377 sa->bt_family = AF_BLUETOOTH;
378 e = rfcomm_sockaddr(pcb, sa);;
379 *nam = dup_sockaddr((struct sockaddr *)sa);
384 rfcomm_sshutdown (struct socket *so)
391 rfcomm_ssend (struct socket *so, int flags, struct mbuf *m,
392 struct sockaddr *addr, struct mbuf *control, struct thread *td)
394 struct rfcomm_dlc *pcb = (struct rfcomm_dlc *) so->so_pcb;
399 if (control) /* no use for that */
402 m0 = m_copym(m, 0, M_COPYALL, MB_DONTWAIT);
406 sbappendstream(&so->so_snd.sb, m);
408 return rfcomm_send(pcb, m0);
412 rfcomm_saccept(struct socket *so, struct sockaddr **nam)
414 struct rfcomm_dlc *pcb = (struct rfcomm_dlc *) so->so_pcb;
415 struct sockaddr_bt *sa, ssa;
419 bzero(sa, sizeof *sa);
420 sa->bt_len = sizeof(struct sockaddr_bt);
421 sa->bt_family = AF_BLUETOOTH;
422 e = rfcomm_peeraddr(pcb, sa);;
423 *nam = dup_sockaddr((struct sockaddr *)sa);
428 rfcomm_slisten(struct socket *so, struct thread *td)
430 struct rfcomm_dlc *pcb = (struct rfcomm_dlc *) so->so_pcb;
431 return rfcomm_listen(pcb);
435 rfcomm_srcvd(struct socket *so, int flags)
437 struct rfcomm_dlc *pcb = (struct rfcomm_dlc *) so->so_pcb;
438 return rfcomm_rcvd(pcb, sbspace(&so->so_rcv));
441 struct pr_usrreqs rfcomm_usrreqs = {
442 .pru_abort = rfcomm_sabort,
443 .pru_accept = rfcomm_saccept,
444 .pru_attach = rfcomm_sattach,
445 .pru_bind = rfcomm_sbind,
446 .pru_connect = rfcomm_sconnect,
447 .pru_connect2 = pru_connect2_notsupp,
448 .pru_control = rfcomm_scontrol,
449 .pru_detach = rfcomm_sdetach,
450 .pru_disconnect = rfcomm_sdisconnect,
451 .pru_listen = rfcomm_slisten,
452 .pru_peeraddr = rfcomm_speeraddr,
453 .pru_rcvd = rfcomm_srcvd,
454 .pru_rcvoob = pru_rcvoob_notsupp,
455 .pru_send = rfcomm_ssend,
456 .pru_sense = pru_sense_null,
457 .pru_shutdown = rfcomm_sshutdown,
458 .pru_sockaddr = rfcomm_ssockaddr,
459 .pru_sosend = sosend,
460 .pru_soreceive = soreceive,