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Linux 2.6.33-rc6
[cris-mirror.git] / net / bluetooth / bnep / core.c
blobef09c7b3a8585451a9a1f1ec4ec29b5650988019
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 <net/sock.h>
39
40 #include <linux/socket.h>
41 #include <linux/file.h>
42
43 #include <linux/netdevice.h>
44 #include <linux/etherdevice.h>
45 #include <linux/skbuff.h>
46
47 #include <asm/unaligned.h>
48
49 #include <net/bluetooth/bluetooth.h>
50 #include <net/bluetooth/hci_core.h>
51 #include <net/bluetooth/l2cap.h>
52
53 #include "bnep.h"
54
55 #define VERSION "1.3"
56
57 static int compress_src = 1;
58 static int compress_dst = 1;
59
60 static LIST_HEAD(bnep_session_list);
61 static DECLARE_RWSEM(bnep_session_sem);
62
63 static struct bnep_session *__bnep_get_session(u8 *dst)
64 {
65 struct bnep_session *s;
66 struct list_head *p;
67
68 BT_DBG("");
69
70 list_for_each(p, &bnep_session_list) {
71 s = list_entry(p, struct bnep_session, list);
72 if (!compare_ether_addr(dst, s->eh.h_source))
73 return s;
74 }
75 return NULL;
76 }
77
78 static void __bnep_link_session(struct bnep_session *s)
79 {
80 /* It's safe to call __module_get() here because sessions are added
81 by the socket layer which has to hold the reference to this module.
82 */
83 __module_get(THIS_MODULE);
84 list_add(&s->list, &bnep_session_list);
85 }
86
87 static void __bnep_unlink_session(struct bnep_session *s)
88 {
89 list_del(&s->list);
90 module_put(THIS_MODULE);
91 }
92
93 static int bnep_send(struct bnep_session *s, void *data, size_t len)
94 {
95 struct socket *sock = s->sock;
96 struct kvec iv = { data, len };
97
98 return kernel_sendmsg(sock, &s->msg, &iv, 1, len);
99 }
100
101 static int bnep_send_rsp(struct bnep_session *s, u8 ctrl, u16 resp)
102 {
103 struct bnep_control_rsp rsp;
104 rsp.type = BNEP_CONTROL;
105 rsp.ctrl = ctrl;
106 rsp.resp = htons(resp);
107 return bnep_send(s, &rsp, sizeof(rsp));
108 }
109
110 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
111 static inline void bnep_set_default_proto_filter(struct bnep_session *s)
112 {
113 /* (IPv4, ARP) */
114 s->proto_filter[0].start = ETH_P_IP;
115 s->proto_filter[0].end = ETH_P_ARP;
116 /* (RARP, AppleTalk) */
117 s->proto_filter[1].start = ETH_P_RARP;
118 s->proto_filter[1].end = ETH_P_AARP;
119 /* (IPX, IPv6) */
120 s->proto_filter[2].start = ETH_P_IPX;
121 s->proto_filter[2].end = ETH_P_IPV6;
122 }
123 #endif
124
125 static int bnep_ctrl_set_netfilter(struct bnep_session *s, __be16 *data, int len)
126 {
127 int n;
128
129 if (len < 2)
130 return -EILSEQ;
131
132 n = get_unaligned_be16(data);
133 data++; len -= 2;
134
135 if (len < n)
136 return -EILSEQ;
137
138 BT_DBG("filter len %d", n);
139
140 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
141 n /= 4;
142 if (n <= BNEP_MAX_PROTO_FILTERS) {
143 struct bnep_proto_filter *f = s->proto_filter;
144 int i;
145
146 for (i = 0; i < n; i++) {
147 f[i].start = get_unaligned_be16(data++);
148 f[i].end = get_unaligned_be16(data++);
149
150 BT_DBG("proto filter start %d end %d",
151 f[i].start, f[i].end);
152 }
153
154 if (i < BNEP_MAX_PROTO_FILTERS)
155 memset(f + i, 0, sizeof(*f));
156
157 if (n == 0)
158 bnep_set_default_proto_filter(s);
159
160 bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_SUCCESS);
161 } else {
162 bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_FILTER_LIMIT_REACHED);
163 }
164 #else
165 bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_FILTER_UNSUPPORTED_REQ);
166 #endif
167 return 0;
168 }
169
170 static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len)
171 {
172 int n;
173
174 if (len < 2)
175 return -EILSEQ;
176
177 n = get_unaligned_be16(data);
178 data += 2; len -= 2;
179
180 if (len < n)
181 return -EILSEQ;
182
183 BT_DBG("filter len %d", n);
184
185 #ifdef CONFIG_BT_BNEP_MC_FILTER
186 n /= (ETH_ALEN * 2);
187
188 if (n > 0) {
189 s->mc_filter = 0;
190
191 /* Always send broadcast */
192 set_bit(bnep_mc_hash(s->dev->broadcast), (ulong *) &s->mc_filter);
193
194 /* Add address ranges to the multicast hash */
195 for (; n > 0; n--) {
196 u8 a1[6], *a2;
197
198 memcpy(a1, data, ETH_ALEN); data += ETH_ALEN;
199 a2 = data; data += ETH_ALEN;
200
201 BT_DBG("mc filter %s -> %s",
202 batostr((void *) a1), batostr((void *) a2));
203
204 #define INCA(a) { int i = 5; while (i >=0 && ++a[i--] == 0); }
205
206 /* Iterate from a1 to a2 */
207 set_bit(bnep_mc_hash(a1), (ulong *) &s->mc_filter);
208 while (memcmp(a1, a2, 6) < 0 && s->mc_filter != ~0LL) {
209 INCA(a1);
210 set_bit(bnep_mc_hash(a1), (ulong *) &s->mc_filter);
211 }
212 }
213 }
214
215 BT_DBG("mc filter hash 0x%llx", s->mc_filter);
216
217 bnep_send_rsp(s, BNEP_FILTER_MULTI_ADDR_RSP, BNEP_SUCCESS);
218 #else
219 bnep_send_rsp(s, BNEP_FILTER_MULTI_ADDR_RSP, BNEP_FILTER_UNSUPPORTED_REQ);
220 #endif
221 return 0;
222 }
223
224 static int bnep_rx_control(struct bnep_session *s, void *data, int len)
225 {
226 u8 cmd = *(u8 *)data;
227 int err = 0;
228
229 data++; len--;
230
231 switch (cmd) {
232 case BNEP_CMD_NOT_UNDERSTOOD:
233 case BNEP_SETUP_CONN_RSP:
234 case BNEP_FILTER_NET_TYPE_RSP:
235 case BNEP_FILTER_MULTI_ADDR_RSP:
236 /* Ignore these for now */
237 break;
238
239 case BNEP_FILTER_NET_TYPE_SET:
240 err = bnep_ctrl_set_netfilter(s, data, len);
241 break;
242
243 case BNEP_FILTER_MULTI_ADDR_SET:
244 err = bnep_ctrl_set_mcfilter(s, data, len);
245 break;
246
247 case BNEP_SETUP_CONN_REQ:
248 err = bnep_send_rsp(s, BNEP_SETUP_CONN_RSP, BNEP_CONN_NOT_ALLOWED);
249 break;
250
251 default: {
252 u8 pkt[3];
253 pkt[0] = BNEP_CONTROL;
254 pkt[1] = BNEP_CMD_NOT_UNDERSTOOD;
255 pkt[2] = cmd;
256 bnep_send(s, pkt, sizeof(pkt));
257 }
258 break;
259 }
260
261 return err;
262 }
263
264 static int bnep_rx_extension(struct bnep_session *s, struct sk_buff *skb)
265 {
266 struct bnep_ext_hdr *h;
267 int err = 0;
268
269 do {
270 h = (void *) skb->data;
271 if (!skb_pull(skb, sizeof(*h))) {
272 err = -EILSEQ;
273 break;
274 }
275
276 BT_DBG("type 0x%x len %d", h->type, h->len);
277
278 switch (h->type & BNEP_TYPE_MASK) {
279 case BNEP_EXT_CONTROL:
280 bnep_rx_control(s, skb->data, skb->len);
281 break;
282
283 default:
284 /* Unknown extension, skip it. */
285 break;
286 }
287
288 if (!skb_pull(skb, h->len)) {
289 err = -EILSEQ;
290 break;
291 }
292 } while (!err && (h->type & BNEP_EXT_HEADER));
293
294 return err;
295 }
296
297 static u8 __bnep_rx_hlen[] = {
298 ETH_HLEN, /* BNEP_GENERAL */
299 0, /* BNEP_CONTROL */
300 2, /* BNEP_COMPRESSED */
301 ETH_ALEN + 2, /* BNEP_COMPRESSED_SRC_ONLY */
302 ETH_ALEN + 2 /* BNEP_COMPRESSED_DST_ONLY */
303 };
304 #define BNEP_RX_TYPES (sizeof(__bnep_rx_hlen) - 1)
305
306 static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
307 {
308 struct net_device *dev = s->dev;
309 struct sk_buff *nskb;
310 u8 type;
311
312 dev->stats.rx_bytes += skb->len;
313
314 type = *(u8 *) skb->data; skb_pull(skb, 1);
315
316 if ((type & BNEP_TYPE_MASK) > BNEP_RX_TYPES)
317 goto badframe;
318
319 if ((type & BNEP_TYPE_MASK) == BNEP_CONTROL) {
320 bnep_rx_control(s, skb->data, skb->len);
321 kfree_skb(skb);
322 return 0;
323 }
324
325 skb_reset_mac_header(skb);
326
327 /* Verify and pull out header */
328 if (!skb_pull(skb, __bnep_rx_hlen[type & BNEP_TYPE_MASK]))
329 goto badframe;
330
331 s->eh.h_proto = get_unaligned((__be16 *) (skb->data - 2));
332
333 if (type & BNEP_EXT_HEADER) {
334 if (bnep_rx_extension(s, skb) < 0)
335 goto badframe;
336 }
337
338 /* Strip 802.1p header */
339 if (ntohs(s->eh.h_proto) == 0x8100) {
340 if (!skb_pull(skb, 4))
341 goto badframe;
342 s->eh.h_proto = get_unaligned((__be16 *) (skb->data - 2));
343 }
344
345 /* We have to alloc new skb and copy data here :(. Because original skb
346 * may not be modified and because of the alignment requirements. */
347 nskb = alloc_skb(2 + ETH_HLEN + skb->len, GFP_KERNEL);
348 if (!nskb) {
349 dev->stats.rx_dropped++;
350 kfree_skb(skb);
351 return -ENOMEM;
352 }
353 skb_reserve(nskb, 2);
354
355 /* Decompress header and construct ether frame */
356 switch (type & BNEP_TYPE_MASK) {
357 case BNEP_COMPRESSED:
358 memcpy(__skb_put(nskb, ETH_HLEN), &s->eh, ETH_HLEN);
359 break;
360
361 case BNEP_COMPRESSED_SRC_ONLY:
362 memcpy(__skb_put(nskb, ETH_ALEN), s->eh.h_dest, ETH_ALEN);
363 memcpy(__skb_put(nskb, ETH_ALEN), skb_mac_header(skb), ETH_ALEN);
364 put_unaligned(s->eh.h_proto, (__be16 *) __skb_put(nskb, 2));
365 break;
366
367 case BNEP_COMPRESSED_DST_ONLY:
368 memcpy(__skb_put(nskb, ETH_ALEN), skb_mac_header(skb),
369 ETH_ALEN);
370 memcpy(__skb_put(nskb, ETH_ALEN + 2), s->eh.h_source,
371 ETH_ALEN + 2);
372 break;
373
374 case BNEP_GENERAL:
375 memcpy(__skb_put(nskb, ETH_ALEN * 2), skb_mac_header(skb),
376 ETH_ALEN * 2);
377 put_unaligned(s->eh.h_proto, (__be16 *) __skb_put(nskb, 2));
378 break;
379 }
380
381 skb_copy_from_linear_data(skb, __skb_put(nskb, skb->len), skb->len);
382 kfree_skb(skb);
383
384 dev->stats.rx_packets++;
385 nskb->ip_summed = CHECKSUM_NONE;
386 nskb->protocol = eth_type_trans(nskb, dev);
387 netif_rx_ni(nskb);
388 return 0;
389
390 badframe:
391 dev->stats.rx_errors++;
392 kfree_skb(skb);
393 return 0;
394 }
395
396 static u8 __bnep_tx_types[] = {
397 BNEP_GENERAL,
398 BNEP_COMPRESSED_SRC_ONLY,
399 BNEP_COMPRESSED_DST_ONLY,
400 BNEP_COMPRESSED
401 };
402
403 static inline int bnep_tx_frame(struct bnep_session *s, struct sk_buff *skb)
404 {
405 struct ethhdr *eh = (void *) skb->data;
406 struct socket *sock = s->sock;
407 struct kvec iv[3];
408 int len = 0, il = 0;
409 u8 type = 0;
410
411 BT_DBG("skb %p dev %p type %d", skb, skb->dev, skb->pkt_type);
412
413 if (!skb->dev) {
414 /* Control frame sent by us */
415 goto send;
416 }
417
418 iv[il++] = (struct kvec) { &type, 1 };
419 len++;
420
421 if (compress_src && !compare_ether_addr(eh->h_dest, s->eh.h_source))
422 type |= 0x01;
423
424 if (compress_dst && !compare_ether_addr(eh->h_source, s->eh.h_dest))
425 type |= 0x02;
426
427 if (type)
428 skb_pull(skb, ETH_ALEN * 2);
429
430 type = __bnep_tx_types[type];
431 switch (type) {
432 case BNEP_COMPRESSED_SRC_ONLY:
433 iv[il++] = (struct kvec) { eh->h_source, ETH_ALEN };
434 len += ETH_ALEN;
435 break;
436
437 case BNEP_COMPRESSED_DST_ONLY:
438 iv[il++] = (struct kvec) { eh->h_dest, ETH_ALEN };
439 len += ETH_ALEN;
440 break;
441 }
442
443 send:
444 iv[il++] = (struct kvec) { skb->data, skb->len };
445 len += skb->len;
446
447 /* FIXME: linearize skb */
448 {
449 len = kernel_sendmsg(sock, &s->msg, iv, il, len);
450 }
451 kfree_skb(skb);
452
453 if (len > 0) {
454 s->dev->stats.tx_bytes += len;
455 s->dev->stats.tx_packets++;
456 return 0;
457 }
458
459 return len;
460 }
461
462 static int bnep_session(void *arg)
463 {
464 struct bnep_session *s = arg;
465 struct net_device *dev = s->dev;
466 struct sock *sk = s->sock->sk;
467 struct sk_buff *skb;
468 wait_queue_t wait;
469
470 BT_DBG("");
471
472 daemonize("kbnepd %s", dev->name);
473 set_user_nice(current, -15);
474
475 init_waitqueue_entry(&wait, current);
476 add_wait_queue(sk->sk_sleep, &wait);
477 while (!atomic_read(&s->killed)) {
478 set_current_state(TASK_INTERRUPTIBLE);
479
480 // RX
481 while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
482 skb_orphan(skb);
483 bnep_rx_frame(s, skb);
484 }
485
486 if (sk->sk_state != BT_CONNECTED)
487 break;
488
489 // TX
490 while ((skb = skb_dequeue(&sk->sk_write_queue)))
491 if (bnep_tx_frame(s, skb))
492 break;
493 netif_wake_queue(dev);
494
495 schedule();
496 }
497 set_current_state(TASK_RUNNING);
498 remove_wait_queue(sk->sk_sleep, &wait);
499
500 /* Cleanup session */
501 down_write(&bnep_session_sem);
502
503 /* Delete network device */
504 unregister_netdev(dev);
505
506 /* Wakeup user-space polling for socket errors */
507 s->sock->sk->sk_err = EUNATCH;
508
509 wake_up_interruptible(s->sock->sk->sk_sleep);
510
511 /* Release the socket */
512 fput(s->sock->file);
513
514 __bnep_unlink_session(s);
515
516 up_write(&bnep_session_sem);
517 free_netdev(dev);
518 return 0;
519 }
520
521 static struct device *bnep_get_device(struct bnep_session *session)
522 {
523 bdaddr_t *src = &bt_sk(session->sock->sk)->src;
524 bdaddr_t *dst = &bt_sk(session->sock->sk)->dst;
525 struct hci_dev *hdev;
526 struct hci_conn *conn;
527
528 hdev = hci_get_route(dst, src);
529 if (!hdev)
530 return NULL;
531
532 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst);
533
534 hci_dev_put(hdev);
535
536 return conn ? &conn->dev : NULL;
537 }
538
539 static struct device_type bnep_type = {
540 .name = "bluetooth",
541 };
542
543 int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
544 {
545 struct net_device *dev;
546 struct bnep_session *s, *ss;
547 u8 dst[ETH_ALEN], src[ETH_ALEN];
548 int err;
549
550 BT_DBG("");
551
552 baswap((void *) dst, &bt_sk(sock->sk)->dst);
553 baswap((void *) src, &bt_sk(sock->sk)->src);
554
555 /* session struct allocated as private part of net_device */
556 dev = alloc_netdev(sizeof(struct bnep_session),
557 (*req->device) ? req->device : "bnep%d",
558 bnep_net_setup);
559 if (!dev)
560 return -ENOMEM;
561
562 down_write(&bnep_session_sem);
563
564 ss = __bnep_get_session(dst);
565 if (ss && ss->state == BT_CONNECTED) {
566 err = -EEXIST;
567 goto failed;
568 }
569
570 s = netdev_priv(dev);
571
572 /* This is rx header therefore addresses are swapped.
573 * ie eh.h_dest is our local address. */
574 memcpy(s->eh.h_dest, &src, ETH_ALEN);
575 memcpy(s->eh.h_source, &dst, ETH_ALEN);
576 memcpy(dev->dev_addr, s->eh.h_dest, ETH_ALEN);
577
578 s->dev = dev;
579 s->sock = sock;
580 s->role = req->role;
581 s->state = BT_CONNECTED;
582
583 s->msg.msg_flags = MSG_NOSIGNAL;
584
585 #ifdef CONFIG_BT_BNEP_MC_FILTER
586 /* Set default mc filter */
587 set_bit(bnep_mc_hash(dev->broadcast), (ulong *) &s->mc_filter);
588 #endif
589
590 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
591 /* Set default protocol filter */
592 bnep_set_default_proto_filter(s);
593 #endif
594
595 SET_NETDEV_DEV(dev, bnep_get_device(s));
596 SET_NETDEV_DEVTYPE(dev, &bnep_type);
597
598 err = register_netdev(dev);
599 if (err) {
600 goto failed;
601 }
602
603 __bnep_link_session(s);
604
605 err = kernel_thread(bnep_session, s, CLONE_KERNEL);
606 if (err < 0) {
607 /* Session thread start failed, gotta cleanup. */
608 unregister_netdev(dev);
609 __bnep_unlink_session(s);
610 goto failed;
611 }
612
613 up_write(&bnep_session_sem);
614 strcpy(req->device, dev->name);
615 return 0;
616
617 failed:
618 up_write(&bnep_session_sem);
619 free_netdev(dev);
620 return err;
621 }
622
623 int bnep_del_connection(struct bnep_conndel_req *req)
624 {
625 struct bnep_session *s;
626 int err = 0;
627
628 BT_DBG("");
629
630 down_read(&bnep_session_sem);
631
632 s = __bnep_get_session(req->dst);
633 if (s) {
634 /* Wakeup user-space which is polling for socket errors.
635 * This is temporary hack until we have shutdown in L2CAP */
636 s->sock->sk->sk_err = EUNATCH;
637
638 /* Kill session thread */
639 atomic_inc(&s->killed);
640 wake_up_interruptible(s->sock->sk->sk_sleep);
641 } else
642 err = -ENOENT;
643
644 up_read(&bnep_session_sem);
645 return err;
646 }
647
648 static void __bnep_copy_ci(struct bnep_conninfo *ci, struct bnep_session *s)
649 {
650 memcpy(ci->dst, s->eh.h_source, ETH_ALEN);
651 strcpy(ci->device, s->dev->name);
652 ci->flags = s->flags;
653 ci->state = s->state;
654 ci->role = s->role;
655 }
656
657 int bnep_get_connlist(struct bnep_connlist_req *req)
658 {
659 struct list_head *p;
660 int err = 0, n = 0;
661
662 down_read(&bnep_session_sem);
663
664 list_for_each(p, &bnep_session_list) {
665 struct bnep_session *s;
666 struct bnep_conninfo ci;
667
668 s = list_entry(p, struct bnep_session, list);
669
670 __bnep_copy_ci(&ci, s);
671
672 if (copy_to_user(req->ci, &ci, sizeof(ci))) {
673 err = -EFAULT;
674 break;
675 }
676
677 if (++n >= req->cnum)
678 break;
679
680 req->ci++;
681 }
682 req->cnum = n;
683
684 up_read(&bnep_session_sem);
685 return err;
686 }
687
688 int bnep_get_conninfo(struct bnep_conninfo *ci)
689 {
690 struct bnep_session *s;
691 int err = 0;
692
693 down_read(&bnep_session_sem);
694
695 s = __bnep_get_session(ci->dst);
696 if (s)
697 __bnep_copy_ci(ci, s);
698 else
699 err = -ENOENT;
700
701 up_read(&bnep_session_sem);
702 return err;
703 }
704
705 static int __init bnep_init(void)
706 {
707 char flt[50] = "";
708
709 l2cap_load();
710
711 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
712 strcat(flt, "protocol ");
713 #endif
714
715 #ifdef CONFIG_BT_BNEP_MC_FILTER
716 strcat(flt, "multicast");
717 #endif
718
719 BT_INFO("BNEP (Ethernet Emulation) ver %s", VERSION);
720 if (flt[0])
721 BT_INFO("BNEP filters: %s", flt);
722
723 bnep_sock_init();
724 return 0;
725 }
726
727 static void __exit bnep_exit(void)
728 {
729 bnep_sock_cleanup();
730 }
731
732 module_init(bnep_init);
733 module_exit(bnep_exit);
734
735 module_param(compress_src, bool, 0644);
736 MODULE_PARM_DESC(compress_src, "Compress sources headers");
737
738 module_param(compress_dst, bool, 0644);
739 MODULE_PARM_DESC(compress_dst, "Compress destination headers");
740
741 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
742 MODULE_DESCRIPTION("Bluetooth BNEP ver " VERSION);
743 MODULE_VERSION(VERSION);
744 MODULE_LICENSE("GPL");
745 MODULE_ALIAS("bt-proto-4");
CRIS linux kernel tree