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Merge branch 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[cris-mirror.git] / net / bluetooth / bnep / core.c
blob5868597534e529b4c33d1e603cbe38bed740a4ad
1 /*
2 BNEP implementation for Linux Bluetooth stack (BlueZ).
3 Copyright (C) 2001-2002 Inventel Systemes
4 Written 2001-2002 by
5 Clément Moreau <clement.moreau@inventel.fr>
6 David Libault <david.libault@inventel.fr>
7
8 Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com>
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License version 2 as
12 published by the Free Software Foundation;
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
17 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
18 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
21 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22
23 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
24 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
25 SOFTWARE IS DISCLAIMED.
26 */
27
28 #include <linux/module.h>
29
30 #include <linux/kernel.h>
31 #include <linux/sched.h>
32 #include <linux/signal.h>
33 #include <linux/init.h>
34 #include <linux/wait.h>
35 #include <linux/freezer.h>
36 #include <linux/errno.h>
37 #include <linux/net.h>
38 #include <linux/slab.h>
39 #include <net/sock.h>
40
41 #include <linux/socket.h>
42 #include <linux/file.h>
43
44 #include <linux/netdevice.h>
45 #include <linux/etherdevice.h>
46 #include <linux/skbuff.h>
47
48 #include <asm/unaligned.h>
49
50 #include <net/bluetooth/bluetooth.h>
51 #include <net/bluetooth/hci_core.h>
52 #include <net/bluetooth/l2cap.h>
53
54 #include "bnep.h"
55
56 #define VERSION "1.3"
57
58 static int compress_src = 1;
59 static int compress_dst = 1;
60
61 static LIST_HEAD(bnep_session_list);
62 static DECLARE_RWSEM(bnep_session_sem);
63
64 static struct bnep_session *__bnep_get_session(u8 *dst)
65 {
66 struct bnep_session *s;
67 struct list_head *p;
68
69 BT_DBG("");
70
71 list_for_each(p, &bnep_session_list) {
72 s = list_entry(p, struct bnep_session, list);
73 if (!compare_ether_addr(dst, s->eh.h_source))
74 return s;
75 }
76 return NULL;
77 }
78
79 static void __bnep_link_session(struct bnep_session *s)
80 {
81 /* It's safe to call __module_get() here because sessions are added
82 by the socket layer which has to hold the reference to this module.
83 */
84 __module_get(THIS_MODULE);
85 list_add(&s->list, &bnep_session_list);
86 }
87
88 static void __bnep_unlink_session(struct bnep_session *s)
89 {
90 list_del(&s->list);
91 module_put(THIS_MODULE);
92 }
93
94 static int bnep_send(struct bnep_session *s, void *data, size_t len)
95 {
96 struct socket *sock = s->sock;
97 struct kvec iv = { data, len };
98
99 return kernel_sendmsg(sock, &s->msg, &iv, 1, len);
100 }
101
102 static int bnep_send_rsp(struct bnep_session *s, u8 ctrl, u16 resp)
103 {
104 struct bnep_control_rsp rsp;
105 rsp.type = BNEP_CONTROL;
106 rsp.ctrl = ctrl;
107 rsp.resp = htons(resp);
108 return bnep_send(s, &rsp, sizeof(rsp));
109 }
110
111 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
112 static inline void bnep_set_default_proto_filter(struct bnep_session *s)
113 {
114 /* (IPv4, ARP) */
115 s->proto_filter[0].start = ETH_P_IP;
116 s->proto_filter[0].end = ETH_P_ARP;
117 /* (RARP, AppleTalk) */
118 s->proto_filter[1].start = ETH_P_RARP;
119 s->proto_filter[1].end = ETH_P_AARP;
120 /* (IPX, IPv6) */
121 s->proto_filter[2].start = ETH_P_IPX;
122 s->proto_filter[2].end = ETH_P_IPV6;
123 }
124 #endif
125
126 static int bnep_ctrl_set_netfilter(struct bnep_session *s, __be16 *data, int len)
127 {
128 int n;
129
130 if (len < 2)
131 return -EILSEQ;
132
133 n = get_unaligned_be16(data);
134 data++; len -= 2;
135
136 if (len < n)
137 return -EILSEQ;
138
139 BT_DBG("filter len %d", n);
140
141 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
142 n /= 4;
143 if (n <= BNEP_MAX_PROTO_FILTERS) {
144 struct bnep_proto_filter *f = s->proto_filter;
145 int i;
146
147 for (i = 0; i < n; i++) {
148 f[i].start = get_unaligned_be16(data++);
149 f[i].end = get_unaligned_be16(data++);
150
151 BT_DBG("proto filter start %d end %d",
152 f[i].start, f[i].end);
153 }
154
155 if (i < BNEP_MAX_PROTO_FILTERS)
156 memset(f + i, 0, sizeof(*f));
157
158 if (n == 0)
159 bnep_set_default_proto_filter(s);
160
161 bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_SUCCESS);
162 } else {
163 bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_FILTER_LIMIT_REACHED);
164 }
165 #else
166 bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_FILTER_UNSUPPORTED_REQ);
167 #endif
168 return 0;
169 }
170
171 static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len)
172 {
173 int n;
174
175 if (len < 2)
176 return -EILSEQ;
177
178 n = get_unaligned_be16(data);
179 data += 2; len -= 2;
180
181 if (len < n)
182 return -EILSEQ;
183
184 BT_DBG("filter len %d", n);
185
186 #ifdef CONFIG_BT_BNEP_MC_FILTER
187 n /= (ETH_ALEN * 2);
188
189 if (n > 0) {
190 s->mc_filter = 0;
191
192 /* Always send broadcast */
193 set_bit(bnep_mc_hash(s->dev->broadcast), (ulong *) &s->mc_filter);
194
195 /* Add address ranges to the multicast hash */
196 for (; n > 0; n--) {
197 u8 a1[6], *a2;
198
199 memcpy(a1, data, ETH_ALEN); data += ETH_ALEN;
200 a2 = data; data += ETH_ALEN;
201
202 BT_DBG("mc filter %s -> %s",
203 batostr((void *) a1), batostr((void *) a2));
204
205 #define INCA(a) { int i = 5; while (i >=0 && ++a[i--] == 0); }
206
207 /* Iterate from a1 to a2 */
208 set_bit(bnep_mc_hash(a1), (ulong *) &s->mc_filter);
209 while (memcmp(a1, a2, 6) < 0 && s->mc_filter != ~0LL) {
210 INCA(a1);
211 set_bit(bnep_mc_hash(a1), (ulong *) &s->mc_filter);
212 }
213 }
214 }
215
216 BT_DBG("mc filter hash 0x%llx", s->mc_filter);
217
218 bnep_send_rsp(s, BNEP_FILTER_MULTI_ADDR_RSP, BNEP_SUCCESS);
219 #else
220 bnep_send_rsp(s, BNEP_FILTER_MULTI_ADDR_RSP, BNEP_FILTER_UNSUPPORTED_REQ);
221 #endif
222 return 0;
223 }
224
225 static int bnep_rx_control(struct bnep_session *s, void *data, int len)
226 {
227 u8 cmd = *(u8 *)data;
228 int err = 0;
229
230 data++; len--;
231
232 switch (cmd) {
233 case BNEP_CMD_NOT_UNDERSTOOD:
234 case BNEP_SETUP_CONN_RSP:
235 case BNEP_FILTER_NET_TYPE_RSP:
236 case BNEP_FILTER_MULTI_ADDR_RSP:
237 /* Ignore these for now */
238 break;
239
240 case BNEP_FILTER_NET_TYPE_SET:
241 err = bnep_ctrl_set_netfilter(s, data, len);
242 break;
243
244 case BNEP_FILTER_MULTI_ADDR_SET:
245 err = bnep_ctrl_set_mcfilter(s, data, len);
246 break;
247
248 case BNEP_SETUP_CONN_REQ:
249 err = bnep_send_rsp(s, BNEP_SETUP_CONN_RSP, BNEP_CONN_NOT_ALLOWED);
250 break;
251
252 default: {
253 u8 pkt[3];
254 pkt[0] = BNEP_CONTROL;
255 pkt[1] = BNEP_CMD_NOT_UNDERSTOOD;
256 pkt[2] = cmd;
257 bnep_send(s, pkt, sizeof(pkt));
258 }
259 break;
260 }
261
262 return err;
263 }
264
265 static int bnep_rx_extension(struct bnep_session *s, struct sk_buff *skb)
266 {
267 struct bnep_ext_hdr *h;
268 int err = 0;
269
270 do {
271 h = (void *) skb->data;
272 if (!skb_pull(skb, sizeof(*h))) {
273 err = -EILSEQ;
274 break;
275 }
276
277 BT_DBG("type 0x%x len %d", h->type, h->len);
278
279 switch (h->type & BNEP_TYPE_MASK) {
280 case BNEP_EXT_CONTROL:
281 bnep_rx_control(s, skb->data, skb->len);
282 break;
283
284 default:
285 /* Unknown extension, skip it. */
286 break;
287 }
288
289 if (!skb_pull(skb, h->len)) {
290 err = -EILSEQ;
291 break;
292 }
293 } while (!err && (h->type & BNEP_EXT_HEADER));
294
295 return err;
296 }
297
298 static u8 __bnep_rx_hlen[] = {
299 ETH_HLEN, /* BNEP_GENERAL */
300 0, /* BNEP_CONTROL */
301 2, /* BNEP_COMPRESSED */
302 ETH_ALEN + 2, /* BNEP_COMPRESSED_SRC_ONLY */
303 ETH_ALEN + 2 /* BNEP_COMPRESSED_DST_ONLY */
304 };
305 #define BNEP_RX_TYPES (sizeof(__bnep_rx_hlen) - 1)
306
307 static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
308 {
309 struct net_device *dev = s->dev;
310 struct sk_buff *nskb;
311 u8 type;
312
313 dev->stats.rx_bytes += skb->len;
314
315 type = *(u8 *) skb->data; skb_pull(skb, 1);
316
317 if ((type & BNEP_TYPE_MASK) > BNEP_RX_TYPES)
318 goto badframe;
319
320 if ((type & BNEP_TYPE_MASK) == BNEP_CONTROL) {
321 bnep_rx_control(s, skb->data, skb->len);
322 kfree_skb(skb);
323 return 0;
324 }
325
326 skb_reset_mac_header(skb);
327
328 /* Verify and pull out header */
329 if (!skb_pull(skb, __bnep_rx_hlen[type & BNEP_TYPE_MASK]))
330 goto badframe;
331
332 s->eh.h_proto = get_unaligned((__be16 *) (skb->data - 2));
333
334 if (type & BNEP_EXT_HEADER) {
335 if (bnep_rx_extension(s, skb) < 0)
336 goto badframe;
337 }
338
339 /* Strip 802.1p header */
340 if (ntohs(s->eh.h_proto) == 0x8100) {
341 if (!skb_pull(skb, 4))
342 goto badframe;
343 s->eh.h_proto = get_unaligned((__be16 *) (skb->data - 2));
344 }
345
346 /* We have to alloc new skb and copy data here :(. Because original skb
347 * may not be modified and because of the alignment requirements. */
348 nskb = alloc_skb(2 + ETH_HLEN + skb->len, GFP_KERNEL);
349 if (!nskb) {
350 dev->stats.rx_dropped++;
351 kfree_skb(skb);
352 return -ENOMEM;
353 }
354 skb_reserve(nskb, 2);
355
356 /* Decompress header and construct ether frame */
357 switch (type & BNEP_TYPE_MASK) {
358 case BNEP_COMPRESSED:
359 memcpy(__skb_put(nskb, ETH_HLEN), &s->eh, ETH_HLEN);
360 break;
361
362 case BNEP_COMPRESSED_SRC_ONLY:
363 memcpy(__skb_put(nskb, ETH_ALEN), s->eh.h_dest, ETH_ALEN);
364 memcpy(__skb_put(nskb, ETH_ALEN), skb_mac_header(skb), ETH_ALEN);
365 put_unaligned(s->eh.h_proto, (__be16 *) __skb_put(nskb, 2));
366 break;
367
368 case BNEP_COMPRESSED_DST_ONLY:
369 memcpy(__skb_put(nskb, ETH_ALEN), skb_mac_header(skb),
370 ETH_ALEN);
371 memcpy(__skb_put(nskb, ETH_ALEN + 2), s->eh.h_source,
372 ETH_ALEN + 2);
373 break;
374
375 case BNEP_GENERAL:
376 memcpy(__skb_put(nskb, ETH_ALEN * 2), skb_mac_header(skb),
377 ETH_ALEN * 2);
378 put_unaligned(s->eh.h_proto, (__be16 *) __skb_put(nskb, 2));
379 break;
380 }
381
382 skb_copy_from_linear_data(skb, __skb_put(nskb, skb->len), skb->len);
383 kfree_skb(skb);
384
385 dev->stats.rx_packets++;
386 nskb->ip_summed = CHECKSUM_NONE;
387 nskb->protocol = eth_type_trans(nskb, dev);
388 netif_rx_ni(nskb);
389 return 0;
390
391 badframe:
392 dev->stats.rx_errors++;
393 kfree_skb(skb);
394 return 0;
395 }
396
397 static u8 __bnep_tx_types[] = {
398 BNEP_GENERAL,
399 BNEP_COMPRESSED_SRC_ONLY,
400 BNEP_COMPRESSED_DST_ONLY,
401 BNEP_COMPRESSED
402 };
403
404 static inline int bnep_tx_frame(struct bnep_session *s, struct sk_buff *skb)
405 {
406 struct ethhdr *eh = (void *) skb->data;
407 struct socket *sock = s->sock;
408 struct kvec iv[3];
409 int len = 0, il = 0;
410 u8 type = 0;
411
412 BT_DBG("skb %p dev %p type %d", skb, skb->dev, skb->pkt_type);
413
414 if (!skb->dev) {
415 /* Control frame sent by us */
416 goto send;
417 }
418
419 iv[il++] = (struct kvec) { &type, 1 };
420 len++;
421
422 if (compress_src && !compare_ether_addr(eh->h_dest, s->eh.h_source))
423 type |= 0x01;
424
425 if (compress_dst && !compare_ether_addr(eh->h_source, s->eh.h_dest))
426 type |= 0x02;
427
428 if (type)
429 skb_pull(skb, ETH_ALEN * 2);
430
431 type = __bnep_tx_types[type];
432 switch (type) {
433 case BNEP_COMPRESSED_SRC_ONLY:
434 iv[il++] = (struct kvec) { eh->h_source, ETH_ALEN };
435 len += ETH_ALEN;
436 break;
437
438 case BNEP_COMPRESSED_DST_ONLY:
439 iv[il++] = (struct kvec) { eh->h_dest, ETH_ALEN };
440 len += ETH_ALEN;
441 break;
442 }
443
444 send:
445 iv[il++] = (struct kvec) { skb->data, skb->len };
446 len += skb->len;
447
448 /* FIXME: linearize skb */
449 {
450 len = kernel_sendmsg(sock, &s->msg, iv, il, len);
451 }
452 kfree_skb(skb);
453
454 if (len > 0) {
455 s->dev->stats.tx_bytes += len;
456 s->dev->stats.tx_packets++;
457 return 0;
458 }
459
460 return len;
461 }
462
463 static int bnep_session(void *arg)
464 {
465 struct bnep_session *s = arg;
466 struct net_device *dev = s->dev;
467 struct sock *sk = s->sock->sk;
468 struct sk_buff *skb;
469 wait_queue_t wait;
470
471 BT_DBG("");
472
473 daemonize("kbnepd %s", dev->name);
474 set_user_nice(current, -15);
475
476 init_waitqueue_entry(&wait, current);
477 add_wait_queue(sk_sleep(sk), &wait);
478 while (!atomic_read(&s->killed)) {
479 set_current_state(TASK_INTERRUPTIBLE);
480
481 // RX
482 while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
483 skb_orphan(skb);
484 bnep_rx_frame(s, skb);
485 }
486
487 if (sk->sk_state != BT_CONNECTED)
488 break;
489
490 // TX
491 while ((skb = skb_dequeue(&sk->sk_write_queue)))
492 if (bnep_tx_frame(s, skb))
493 break;
494 netif_wake_queue(dev);
495
496 schedule();
497 }
498 set_current_state(TASK_RUNNING);
499 remove_wait_queue(sk_sleep(sk), &wait);
500
501 /* Cleanup session */
502 down_write(&bnep_session_sem);
503
504 /* Delete network device */
505 unregister_netdev(dev);
506
507 /* Wakeup user-space polling for socket errors */
508 s->sock->sk->sk_err = EUNATCH;
509
510 wake_up_interruptible(sk_sleep(s->sock->sk));
511
512 /* Release the socket */
513 fput(s->sock->file);
514
515 __bnep_unlink_session(s);
516
517 up_write(&bnep_session_sem);
518 free_netdev(dev);
519 return 0;
520 }
521
522 static struct device *bnep_get_device(struct bnep_session *session)
523 {
524 bdaddr_t *src = &bt_sk(session->sock->sk)->src;
525 bdaddr_t *dst = &bt_sk(session->sock->sk)->dst;
526 struct hci_dev *hdev;
527 struct hci_conn *conn;
528
529 hdev = hci_get_route(dst, src);
530 if (!hdev)
531 return NULL;
532
533 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst);
534
535 hci_dev_put(hdev);
536
537 return conn ? &conn->dev : NULL;
538 }
539
540 static struct device_type bnep_type = {
541 .name = "bluetooth",
542 };
543
544 int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
545 {
546 struct net_device *dev;
547 struct bnep_session *s, *ss;
548 u8 dst[ETH_ALEN], src[ETH_ALEN];
549 int err;
550
551 BT_DBG("");
552
553 baswap((void *) dst, &bt_sk(sock->sk)->dst);
554 baswap((void *) src, &bt_sk(sock->sk)->src);
555
556 /* session struct allocated as private part of net_device */
557 dev = alloc_netdev(sizeof(struct bnep_session),
558 (*req->device) ? req->device : "bnep%d",
559 bnep_net_setup);
560 if (!dev)
561 return -ENOMEM;
562
563 down_write(&bnep_session_sem);
564
565 ss = __bnep_get_session(dst);
566 if (ss && ss->state == BT_CONNECTED) {
567 err = -EEXIST;
568 goto failed;
569 }
570
571 s = netdev_priv(dev);
572
573 /* This is rx header therefore addresses are swapped.
574 * ie eh.h_dest is our local address. */
575 memcpy(s->eh.h_dest, &src, ETH_ALEN);
576 memcpy(s->eh.h_source, &dst, ETH_ALEN);
577 memcpy(dev->dev_addr, s->eh.h_dest, ETH_ALEN);
578
579 s->dev = dev;
580 s->sock = sock;
581 s->role = req->role;
582 s->state = BT_CONNECTED;
583
584 s->msg.msg_flags = MSG_NOSIGNAL;
585
586 #ifdef CONFIG_BT_BNEP_MC_FILTER
587 /* Set default mc filter */
588 set_bit(bnep_mc_hash(dev->broadcast), (ulong *) &s->mc_filter);
589 #endif
590
591 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
592 /* Set default protocol filter */
593 bnep_set_default_proto_filter(s);
594 #endif
595
596 SET_NETDEV_DEV(dev, bnep_get_device(s));
597 SET_NETDEV_DEVTYPE(dev, &bnep_type);
598
599 err = register_netdev(dev);
600 if (err) {
601 goto failed;
602 }
603
604 __bnep_link_session(s);
605
606 err = kernel_thread(bnep_session, s, CLONE_KERNEL);
607 if (err < 0) {
608 /* Session thread start failed, gotta cleanup. */
609 unregister_netdev(dev);
610 __bnep_unlink_session(s);
611 goto failed;
612 }
613
614 up_write(&bnep_session_sem);
615 strcpy(req->device, dev->name);
616 return 0;
617
618 failed:
619 up_write(&bnep_session_sem);
620 free_netdev(dev);
621 return err;
622 }
623
624 int bnep_del_connection(struct bnep_conndel_req *req)
625 {
626 struct bnep_session *s;
627 int err = 0;
628
629 BT_DBG("");
630
631 down_read(&bnep_session_sem);
632
633 s = __bnep_get_session(req->dst);
634 if (s) {
635 /* Wakeup user-space which is polling for socket errors.
636 * This is temporary hack until we have shutdown in L2CAP */
637 s->sock->sk->sk_err = EUNATCH;
638
639 /* Kill session thread */
640 atomic_inc(&s->killed);
641 wake_up_interruptible(sk_sleep(s->sock->sk));
642 } else
643 err = -ENOENT;
644
645 up_read(&bnep_session_sem);
646 return err;
647 }
648
649 static void __bnep_copy_ci(struct bnep_conninfo *ci, struct bnep_session *s)
650 {
651 memset(ci, 0, sizeof(*ci));
652 memcpy(ci->dst, s->eh.h_source, ETH_ALEN);
653 strcpy(ci->device, s->dev->name);
654 ci->flags = s->flags;
655 ci->state = s->state;
656 ci->role = s->role;
657 }
658
659 int bnep_get_connlist(struct bnep_connlist_req *req)
660 {
661 struct list_head *p;
662 int err = 0, n = 0;
663
664 down_read(&bnep_session_sem);
665
666 list_for_each(p, &bnep_session_list) {
667 struct bnep_session *s;
668 struct bnep_conninfo ci;
669
670 s = list_entry(p, struct bnep_session, list);
671
672 __bnep_copy_ci(&ci, s);
673
674 if (copy_to_user(req->ci, &ci, sizeof(ci))) {
675 err = -EFAULT;
676 break;
677 }
678
679 if (++n >= req->cnum)
680 break;
681
682 req->ci++;
683 }
684 req->cnum = n;
685
686 up_read(&bnep_session_sem);
687 return err;
688 }
689
690 int bnep_get_conninfo(struct bnep_conninfo *ci)
691 {
692 struct bnep_session *s;
693 int err = 0;
694
695 down_read(&bnep_session_sem);
696
697 s = __bnep_get_session(ci->dst);
698 if (s)
699 __bnep_copy_ci(ci, s);
700 else
701 err = -ENOENT;
702
703 up_read(&bnep_session_sem);
704 return err;
705 }
706
707 static int __init bnep_init(void)
708 {
709 char flt[50] = "";
710
711 l2cap_load();
712
713 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
714 strcat(flt, "protocol ");
715 #endif
716
717 #ifdef CONFIG_BT_BNEP_MC_FILTER
718 strcat(flt, "multicast");
719 #endif
720
721 BT_INFO("BNEP (Ethernet Emulation) ver %s", VERSION);
722 if (flt[0])
723 BT_INFO("BNEP filters: %s", flt);
724
725 bnep_sock_init();
726 return 0;
727 }
728
729 static void __exit bnep_exit(void)
730 {
731 bnep_sock_cleanup();
732 }
733
734 module_init(bnep_init);
735 module_exit(bnep_exit);
736
737 module_param(compress_src, bool, 0644);
738 MODULE_PARM_DESC(compress_src, "Compress sources headers");
739
740 module_param(compress_dst, bool, 0644);
741 MODULE_PARM_DESC(compress_dst, "Compress destination headers");
742
743 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
744 MODULE_DESCRIPTION("Bluetooth BNEP ver " VERSION);
745 MODULE_VERSION(VERSION);
746 MODULE_LICENSE("GPL");
747 MODULE_ALIAS("bt-proto-4");
CRIS linux kernel tree