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header cleaning: don't include smp_lock.h when not used
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / bluetooth / bnep / core.c
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 /*
29 * $Id: core.c,v 1.20 2002/08/04 21:23:58 maxk Exp $
30 */
31
32 #include <linux/module.h>
33
34 #include <linux/kernel.h>
35 #include <linux/sched.h>
36 #include <linux/signal.h>
37 #include <linux/init.h>
38 #include <linux/wait.h>
39 #include <linux/errno.h>
40 #include <linux/net.h>
41 #include <net/sock.h>
42
43 #include <linux/socket.h>
44 #include <linux/file.h>
45
46 #include <linux/netdevice.h>
47 #include <linux/etherdevice.h>
48 #include <linux/skbuff.h>
49
50 #include <asm/unaligned.h>
51
52 #include <net/bluetooth/bluetooth.h>
53 #include <net/bluetooth/hci_core.h>
54 #include <net/bluetooth/l2cap.h>
55
56 #include "bnep.h"
57
58 #ifndef CONFIG_BT_BNEP_DEBUG
59 #undef BT_DBG
60 #define BT_DBG(D...)
61 #endif
62
63 #define VERSION "1.2"
64
65 static LIST_HEAD(bnep_session_list);
66 static DECLARE_RWSEM(bnep_session_sem);
67
68 static struct bnep_session *__bnep_get_session(u8 *dst)
69 {
70 struct bnep_session *s;
71 struct list_head *p;
72
73 BT_DBG("");
74
75 list_for_each(p, &bnep_session_list) {
76 s = list_entry(p, struct bnep_session, list);
77 if (!compare_ether_addr(dst, s->eh.h_source))
78 return s;
79 }
80 return NULL;
81 }
82
83 static void __bnep_link_session(struct bnep_session *s)
84 {
85 /* It's safe to call __module_get() here because sessions are added
86 by the socket layer which has to hold the refference to this module.
87 */
88 __module_get(THIS_MODULE);
89 list_add(&s->list, &bnep_session_list);
90 }
91
92 static void __bnep_unlink_session(struct bnep_session *s)
93 {
94 list_del(&s->list);
95 module_put(THIS_MODULE);
96 }
97
98 static int bnep_send(struct bnep_session *s, void *data, size_t len)
99 {
100 struct socket *sock = s->sock;
101 struct kvec iv = { data, len };
102
103 return kernel_sendmsg(sock, &s->msg, &iv, 1, len);
104 }
105
106 static int bnep_send_rsp(struct bnep_session *s, u8 ctrl, u16 resp)
107 {
108 struct bnep_control_rsp rsp;
109 rsp.type = BNEP_CONTROL;
110 rsp.ctrl = ctrl;
111 rsp.resp = htons(resp);
112 return bnep_send(s, &rsp, sizeof(rsp));
113 }
114
115 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
116 static inline void bnep_set_default_proto_filter(struct bnep_session *s)
117 {
118 /* (IPv4, ARP) */
119 s->proto_filter[0].start = ETH_P_IP;
120 s->proto_filter[0].end = ETH_P_ARP;
121 /* (RARP, AppleTalk) */
122 s->proto_filter[1].start = ETH_P_RARP;
123 s->proto_filter[1].end = ETH_P_AARP;
124 /* (IPX, IPv6) */
125 s->proto_filter[2].start = ETH_P_IPX;
126 s->proto_filter[2].end = ETH_P_IPV6;
127 }
128 #endif
129
130 static int bnep_ctrl_set_netfilter(struct bnep_session *s, __be16 *data, int len)
131 {
132 int n;
133
134 if (len < 2)
135 return -EILSEQ;
136
137 n = ntohs(get_unaligned(data));
138 data++; len -= 2;
139
140 if (len < n)
141 return -EILSEQ;
142
143 BT_DBG("filter len %d", n);
144
145 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
146 n /= 4;
147 if (n <= BNEP_MAX_PROTO_FILTERS) {
148 struct bnep_proto_filter *f = s->proto_filter;
149 int i;
150
151 for (i = 0; i < n; i++) {
152 f[i].start = ntohs(get_unaligned(data++));
153 f[i].end = ntohs(get_unaligned(data++));
154
155 BT_DBG("proto filter start %d end %d",
156 f[i].start, f[i].end);
157 }
158
159 if (i < BNEP_MAX_PROTO_FILTERS)
160 memset(f + i, 0, sizeof(*f));
161
162 if (n == 0)
163 bnep_set_default_proto_filter(s);
164
165 bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_SUCCESS);
166 } else {
167 bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_FILTER_LIMIT_REACHED);
168 }
169 #else
170 bnep_send_rsp(s, BNEP_FILTER_NET_TYPE_RSP, BNEP_FILTER_UNSUPPORTED_REQ);
171 #endif
172 return 0;
173 }
174
175 static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len)
176 {
177 int n;
178
179 if (len < 2)
180 return -EILSEQ;
181
182 n = ntohs(get_unaligned((__be16 *) data));
183 data += 2; len -= 2;
184
185 if (len < n)
186 return -EILSEQ;
187
188 BT_DBG("filter len %d", n);
189
190 #ifdef CONFIG_BT_BNEP_MC_FILTER
191 n /= (ETH_ALEN * 2);
192
193 if (n > 0) {
194 s->mc_filter = 0;
195
196 /* Always send broadcast */
197 set_bit(bnep_mc_hash(s->dev->broadcast), (ulong *) &s->mc_filter);
198
199 /* Add address ranges to the multicast hash */
200 for (; n > 0; n--) {
201 u8 a1[6], *a2;
202
203 memcpy(a1, data, ETH_ALEN); data += ETH_ALEN;
204 a2 = data; data += ETH_ALEN;
205
206 BT_DBG("mc filter %s -> %s",
207 batostr((void *) a1), batostr((void *) a2));
208
209 #define INCA(a) { int i = 5; while (i >=0 && ++a[i--] == 0); }
210
211 /* Iterate from a1 to a2 */
212 set_bit(bnep_mc_hash(a1), (ulong *) &s->mc_filter);
213 while (memcmp(a1, a2, 6) < 0 && s->mc_filter != ~0LL) {
214 INCA(a1);
215 set_bit(bnep_mc_hash(a1), (ulong *) &s->mc_filter);
216 }
217 }
218 }
219
220 BT_DBG("mc filter hash 0x%llx", s->mc_filter);
221
222 bnep_send_rsp(s, BNEP_FILTER_MULTI_ADDR_RSP, BNEP_SUCCESS);
223 #else
224 bnep_send_rsp(s, BNEP_FILTER_MULTI_ADDR_RSP, BNEP_FILTER_UNSUPPORTED_REQ);
225 #endif
226 return 0;
227 }
228
229 static int bnep_rx_control(struct bnep_session *s, void *data, int len)
230 {
231 u8 cmd = *(u8 *)data;
232 int err = 0;
233
234 data++; len--;
235
236 switch (cmd) {
237 case BNEP_CMD_NOT_UNDERSTOOD:
238 case BNEP_SETUP_CONN_REQ:
239 case BNEP_SETUP_CONN_RSP:
240 case BNEP_FILTER_NET_TYPE_RSP:
241 case BNEP_FILTER_MULTI_ADDR_RSP:
242 /* Ignore these for now */
243 break;
244
245 case BNEP_FILTER_NET_TYPE_SET:
246 err = bnep_ctrl_set_netfilter(s, data, len);
247 break;
248
249 case BNEP_FILTER_MULTI_ADDR_SET:
250 err = bnep_ctrl_set_mcfilter(s, data, len);
251 break;
252
253 default: {
254 u8 pkt[3];
255 pkt[0] = BNEP_CONTROL;
256 pkt[1] = BNEP_CMD_NOT_UNDERSTOOD;
257 pkt[2] = cmd;
258 bnep_send(s, pkt, sizeof(pkt));
259 }
260 break;
261 }
262
263 return err;
264 }
265
266 static int bnep_rx_extension(struct bnep_session *s, struct sk_buff *skb)
267 {
268 struct bnep_ext_hdr *h;
269 int err = 0;
270
271 do {
272 h = (void *) skb->data;
273 if (!skb_pull(skb, sizeof(*h))) {
274 err = -EILSEQ;
275 break;
276 }
277
278 BT_DBG("type 0x%x len %d", h->type, h->len);
279
280 switch (h->type & BNEP_TYPE_MASK) {
281 case BNEP_EXT_CONTROL:
282 bnep_rx_control(s, skb->data, skb->len);
283 break;
284
285 default:
286 /* Unknown extension, skip it. */
287 break;
288 }
289
290 if (!skb_pull(skb, h->len)) {
291 err = -EILSEQ;
292 break;
293 }
294 } while (!err && (h->type & BNEP_EXT_HEADER));
295
296 return err;
297 }
298
299 static u8 __bnep_rx_hlen[] = {
300 ETH_HLEN, /* BNEP_GENERAL */
301 0, /* BNEP_CONTROL */
302 2, /* BNEP_COMPRESSED */
303 ETH_ALEN + 2, /* BNEP_COMPRESSED_SRC_ONLY */
304 ETH_ALEN + 2 /* BNEP_COMPRESSED_DST_ONLY */
305 };
306 #define BNEP_RX_TYPES (sizeof(__bnep_rx_hlen) - 1)
307
308 static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
309 {
310 struct net_device *dev = s->dev;
311 struct sk_buff *nskb;
312 u8 type;
313
314 dev->last_rx = jiffies;
315 s->stats.rx_bytes += skb->len;
316
317 type = *(u8 *) skb->data; skb_pull(skb, 1);
318
319 if ((type & BNEP_TYPE_MASK) > BNEP_RX_TYPES)
320 goto badframe;
321
322 if ((type & BNEP_TYPE_MASK) == BNEP_CONTROL) {
323 bnep_rx_control(s, skb->data, skb->len);
324 kfree_skb(skb);
325 return 0;
326 }
327
328 skb_reset_mac_header(skb);
329
330 /* Verify and pull out header */
331 if (!skb_pull(skb, __bnep_rx_hlen[type & BNEP_TYPE_MASK]))
332 goto badframe;
333
334 s->eh.h_proto = get_unaligned((__be16 *) (skb->data - 2));
335
336 if (type & BNEP_EXT_HEADER) {
337 if (bnep_rx_extension(s, skb) < 0)
338 goto badframe;
339 }
340
341 /* Strip 802.1p header */
342 if (ntohs(s->eh.h_proto) == 0x8100) {
343 if (!skb_pull(skb, 4))
344 goto badframe;
345 s->eh.h_proto = get_unaligned((__be16 *) (skb->data - 2));
346 }
347
348 /* We have to alloc new skb and copy data here :(. Because original skb
349 * may not be modified and because of the alignment requirements. */
350 nskb = alloc_skb(2 + ETH_HLEN + skb->len, GFP_KERNEL);
351 if (!nskb) {
352 s->stats.rx_dropped++;
353 kfree_skb(skb);
354 return -ENOMEM;
355 }
356 skb_reserve(nskb, 2);
357
358 /* Decompress header and construct ether frame */
359 switch (type & BNEP_TYPE_MASK) {
360 case BNEP_COMPRESSED:
361 memcpy(__skb_put(nskb, ETH_HLEN), &s->eh, ETH_HLEN);
362 break;
363
364 case BNEP_COMPRESSED_SRC_ONLY:
365 memcpy(__skb_put(nskb, ETH_ALEN), s->eh.h_dest, ETH_ALEN);
366 memcpy(__skb_put(nskb, ETH_ALEN), skb_mac_header(skb), ETH_ALEN);
367 put_unaligned(s->eh.h_proto, (__be16 *) __skb_put(nskb, 2));
368 break;
369
370 case BNEP_COMPRESSED_DST_ONLY:
371 memcpy(__skb_put(nskb, ETH_ALEN), skb_mac_header(skb),
372 ETH_ALEN);
373 memcpy(__skb_put(nskb, ETH_ALEN + 2), s->eh.h_source,
374 ETH_ALEN + 2);
375 break;
376
377 case BNEP_GENERAL:
378 memcpy(__skb_put(nskb, ETH_ALEN * 2), skb_mac_header(skb),
379 ETH_ALEN * 2);
380 put_unaligned(s->eh.h_proto, (__be16 *) __skb_put(nskb, 2));
381 break;
382 }
383
384 skb_copy_from_linear_data(skb, __skb_put(nskb, skb->len), skb->len);
385 kfree_skb(skb);
386
387 s->stats.rx_packets++;
388 nskb->ip_summed = CHECKSUM_NONE;
389 nskb->protocol = eth_type_trans(nskb, dev);
390 netif_rx_ni(nskb);
391 return 0;
392
393 badframe:
394 s->stats.rx_errors++;
395 kfree_skb(skb);
396 return 0;
397 }
398
399 static u8 __bnep_tx_types[] = {
400 BNEP_GENERAL,
401 BNEP_COMPRESSED_SRC_ONLY,
402 BNEP_COMPRESSED_DST_ONLY,
403 BNEP_COMPRESSED
404 };
405
406 static inline int bnep_tx_frame(struct bnep_session *s, struct sk_buff *skb)
407 {
408 struct ethhdr *eh = (void *) skb->data;
409 struct socket *sock = s->sock;
410 struct kvec iv[3];
411 int len = 0, il = 0;
412 u8 type = 0;
413
414 BT_DBG("skb %p dev %p type %d", skb, skb->dev, skb->pkt_type);
415
416 if (!skb->dev) {
417 /* Control frame sent by us */
418 goto send;
419 }
420
421 iv[il++] = (struct kvec) { &type, 1 };
422 len++;
423
424 if (!compare_ether_addr(eh->h_dest, s->eh.h_source))
425 type |= 0x01;
426
427 if (!compare_ether_addr(eh->h_source, s->eh.h_dest))
428 type |= 0x02;
429
430 if (type)
431 skb_pull(skb, ETH_ALEN * 2);
432
433 type = __bnep_tx_types[type];
434 switch (type) {
435 case BNEP_COMPRESSED_SRC_ONLY:
436 iv[il++] = (struct kvec) { eh->h_source, ETH_ALEN };
437 len += ETH_ALEN;
438 break;
439
440 case BNEP_COMPRESSED_DST_ONLY:
441 iv[il++] = (struct kvec) { eh->h_dest, ETH_ALEN };
442 len += ETH_ALEN;
443 break;
444 }
445
446 send:
447 iv[il++] = (struct kvec) { skb->data, skb->len };
448 len += skb->len;
449
450 /* FIXME: linearize skb */
451 {
452 len = kernel_sendmsg(sock, &s->msg, iv, il, len);
453 }
454 kfree_skb(skb);
455
456 if (len > 0) {
457 s->stats.tx_bytes += len;
458 s->stats.tx_packets++;
459 return 0;
460 }
461
462 return len;
463 }
464
465 static int bnep_session(void *arg)
466 {
467 struct bnep_session *s = arg;
468 struct net_device *dev = s->dev;
469 struct sock *sk = s->sock->sk;
470 struct sk_buff *skb;
471 wait_queue_t wait;
472
473 BT_DBG("");
474
475 daemonize("kbnepd %s", dev->name);
476 set_user_nice(current, -15);
477 current->flags |= PF_NOFREEZE;
478
479 init_waitqueue_entry(&wait, current);
480 add_wait_queue(sk->sk_sleep, &wait);
481 while (!atomic_read(&s->killed)) {
482 set_current_state(TASK_INTERRUPTIBLE);
483
484 // RX
485 while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
486 skb_orphan(skb);
487 bnep_rx_frame(s, skb);
488 }
489
490 if (sk->sk_state != BT_CONNECTED)
491 break;
492
493 // TX
494 while ((skb = skb_dequeue(&sk->sk_write_queue)))
495 if (bnep_tx_frame(s, skb))
496 break;
497 netif_wake_queue(dev);
498
499 schedule();
500 }
501 set_current_state(TASK_RUNNING);
502 remove_wait_queue(sk->sk_sleep, &wait);
503
504 /* Cleanup session */
505 down_write(&bnep_session_sem);
506
507 /* Delete network device */
508 unregister_netdev(dev);
509
510 /* Release the socket */
511 fput(s->sock->file);
512
513 __bnep_unlink_session(s);
514
515 up_write(&bnep_session_sem);
516 free_netdev(dev);
517 return 0;
518 }
519
520 static struct device *bnep_get_device(struct bnep_session *session)
521 {
522 bdaddr_t *src = &bt_sk(session->sock->sk)->src;
523 bdaddr_t *dst = &bt_sk(session->sock->sk)->dst;
524 struct hci_dev *hdev;
525 struct hci_conn *conn;
526
527 hdev = hci_get_route(dst, src);
528 if (!hdev)
529 return NULL;
530
531 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst);
532
533 hci_dev_put(hdev);
534
535 return conn ? &conn->dev : NULL;
536 }
537
538 int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
539 {
540 struct net_device *dev;
541 struct bnep_session *s, *ss;
542 u8 dst[ETH_ALEN], src[ETH_ALEN];
543 int err;
544
545 BT_DBG("");
546
547 baswap((void *) dst, &bt_sk(sock->sk)->dst);
548 baswap((void *) src, &bt_sk(sock->sk)->src);
549
550 /* session struct allocated as private part of net_device */
551 dev = alloc_netdev(sizeof(struct bnep_session),
552 (*req->device) ? req->device : "bnep%d",
553 bnep_net_setup);
554 if (!dev)
555 return -ENOMEM;
556
557 down_write(&bnep_session_sem);
558
559 ss = __bnep_get_session(dst);
560 if (ss && ss->state == BT_CONNECTED) {
561 err = -EEXIST;
562 goto failed;
563 }
564
565 s = dev->priv;
566
567 /* This is rx header therefore addresses are swapped.
568 * ie eh.h_dest is our local address. */
569 memcpy(s->eh.h_dest, &src, ETH_ALEN);
570 memcpy(s->eh.h_source, &dst, ETH_ALEN);
571 memcpy(dev->dev_addr, s->eh.h_dest, ETH_ALEN);
572
573 s->dev = dev;
574 s->sock = sock;
575 s->role = req->role;
576 s->state = BT_CONNECTED;
577
578 s->msg.msg_flags = MSG_NOSIGNAL;
579
580 #ifdef CONFIG_BT_BNEP_MC_FILTER
581 /* Set default mc filter */
582 set_bit(bnep_mc_hash(dev->broadcast), (ulong *) &s->mc_filter);
583 #endif
584
585 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
586 /* Set default protocol filter */
587 bnep_set_default_proto_filter(s);
588 #endif
589
590 SET_NETDEV_DEV(dev, bnep_get_device(s));
591
592 err = register_netdev(dev);
593 if (err) {
594 goto failed;
595 }
596
597 __bnep_link_session(s);
598
599 err = kernel_thread(bnep_session, s, CLONE_KERNEL);
600 if (err < 0) {
601 /* Session thread start failed, gotta cleanup. */
602 unregister_netdev(dev);
603 __bnep_unlink_session(s);
604 goto failed;
605 }
606
607 up_write(&bnep_session_sem);
608 strcpy(req->device, dev->name);
609 return 0;
610
611 failed:
612 up_write(&bnep_session_sem);
613 free_netdev(dev);
614 return err;
615 }
616
617 int bnep_del_connection(struct bnep_conndel_req *req)
618 {
619 struct bnep_session *s;
620 int err = 0;
621
622 BT_DBG("");
623
624 down_read(&bnep_session_sem);
625
626 s = __bnep_get_session(req->dst);
627 if (s) {
628 /* Wakeup user-space which is polling for socket errors.
629 * This is temporary hack untill we have shutdown in L2CAP */
630 s->sock->sk->sk_err = EUNATCH;
631
632 /* Kill session thread */
633 atomic_inc(&s->killed);
634 wake_up_interruptible(s->sock->sk->sk_sleep);
635 } else
636 err = -ENOENT;
637
638 up_read(&bnep_session_sem);
639 return err;
640 }
641
642 static void __bnep_copy_ci(struct bnep_conninfo *ci, struct bnep_session *s)
643 {
644 memcpy(ci->dst, s->eh.h_source, ETH_ALEN);
645 strcpy(ci->device, s->dev->name);
646 ci->flags = s->flags;
647 ci->state = s->state;
648 ci->role = s->role;
649 }
650
651 int bnep_get_connlist(struct bnep_connlist_req *req)
652 {
653 struct list_head *p;
654 int err = 0, n = 0;
655
656 down_read(&bnep_session_sem);
657
658 list_for_each(p, &bnep_session_list) {
659 struct bnep_session *s;
660 struct bnep_conninfo ci;
661
662 s = list_entry(p, struct bnep_session, list);
663
664 __bnep_copy_ci(&ci, s);
665
666 if (copy_to_user(req->ci, &ci, sizeof(ci))) {
667 err = -EFAULT;
668 break;
669 }
670
671 if (++n >= req->cnum)
672 break;
673
674 req->ci++;
675 }
676 req->cnum = n;
677
678 up_read(&bnep_session_sem);
679 return err;
680 }
681
682 int bnep_get_conninfo(struct bnep_conninfo *ci)
683 {
684 struct bnep_session *s;
685 int err = 0;
686
687 down_read(&bnep_session_sem);
688
689 s = __bnep_get_session(ci->dst);
690 if (s)
691 __bnep_copy_ci(ci, s);
692 else
693 err = -ENOENT;
694
695 up_read(&bnep_session_sem);
696 return err;
697 }
698
699 static int __init bnep_init(void)
700 {
701 char flt[50] = "";
702
703 l2cap_load();
704
705 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
706 strcat(flt, "protocol ");
707 #endif
708
709 #ifdef CONFIG_BT_BNEP_MC_FILTER
710 strcat(flt, "multicast");
711 #endif
712
713 BT_INFO("BNEP (Ethernet Emulation) ver %s", VERSION);
714 if (flt[0])
715 BT_INFO("BNEP filters: %s", flt);
716
717 bnep_sock_init();
718 return 0;
719 }
720
721 static void __exit bnep_exit(void)
722 {
723 bnep_sock_cleanup();
724 }
725
726 module_init(bnep_init);
727 module_exit(bnep_exit);
728
729 MODULE_AUTHOR("David Libault <david.libault@inventel.fr>, Maxim Krasnyansky <maxk@qualcomm.com>");
730 MODULE_DESCRIPTION("Bluetooth BNEP ver " VERSION);
731 MODULE_VERSION(VERSION);
732 MODULE_LICENSE("GPL");
733 MODULE_ALIAS("bt-proto-4");
kernel source for telekom puls (alcatel/mediatek)