1 /*
2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (C) 2000-2001 Qualcomm Incorporated
4 Copyright 2023 NXP
5
6 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License version 2 as
10 published by the Free Software Foundation;
11
12 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
13 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
15 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
16 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
17 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
19 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20
21 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
22 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
23 SOFTWARE IS DISCLAIMED.
24 */
25
26 #ifndef __BLUETOOTH_H
27 #define __BLUETOOTH_H
28
29 #include <linux/poll.h>
30 #include <net/sock.h>
31 #include <linux/seq_file.h>
32
33 #define BT_SUBSYS_VERSION 2
34 #define BT_SUBSYS_REVISION 22
35
36 #ifndef AF_BLUETOOTH
37 #define AF_BLUETOOTH 31
38 #define PF_BLUETOOTH AF_BLUETOOTH
39 #endif
40
41 /* Bluetooth versions */
42 #define BLUETOOTH_VER_1_1 1
43 #define BLUETOOTH_VER_1_2 2
44 #define BLUETOOTH_VER_2_0 3
45 #define BLUETOOTH_VER_2_1 4
46 #define BLUETOOTH_VER_4_0 6
47
48 /* Reserv for core and drivers use */
49 #define BT_SKB_RESERVE 8
50
51 #define BTPROTO_L2CAP 0
52 #define BTPROTO_HCI 1
53 #define BTPROTO_SCO 2
54 #define BTPROTO_RFCOMM 3
55 #define BTPROTO_BNEP 4
56 #define BTPROTO_CMTP 5
57 #define BTPROTO_HIDP 6
58 #define BTPROTO_AVDTP 7
59 #define BTPROTO_ISO 8
60 #define BTPROTO_LAST BTPROTO_ISO
61
62 #define SOL_HCI 0
63 #define SOL_L2CAP 6
64 #define SOL_SCO 17
65 #define SOL_RFCOMM 18
66
67 #define BT_SECURITY 4
68 struct bt_security {
69 __u8 level;
70 __u8 key_size;
71 };
72 #define BT_SECURITY_SDP 0
73 #define BT_SECURITY_LOW 1
74 #define BT_SECURITY_MEDIUM 2
75 #define BT_SECURITY_HIGH 3
76 #define BT_SECURITY_FIPS 4
77
78 #define BT_DEFER_SETUP 7
79
80 #define BT_FLUSHABLE 8
81
82 #define BT_FLUSHABLE_OFF 0
83 #define BT_FLUSHABLE_ON 1
84
85 #define BT_POWER 9
86 struct bt_power {
87 __u8 force_active;
88 };
89 #define BT_POWER_FORCE_ACTIVE_OFF 0
90 #define BT_POWER_FORCE_ACTIVE_ON 1
91
92 #define BT_CHANNEL_POLICY 10
93
94 /* BR/EDR only (default policy)
95 * AMP controllers cannot be used.
96 * Channel move requests from the remote device are denied.
97 * If the L2CAP channel is currently using AMP, move the channel to BR/EDR.
98 */
99 #define BT_CHANNEL_POLICY_BREDR_ONLY 0
100
101 /* BR/EDR Preferred
102 * Allow use of AMP controllers.
103 * If the L2CAP channel is currently on AMP, move it to BR/EDR.
104 * Channel move requests from the remote device are allowed.
105 */
106 #define BT_CHANNEL_POLICY_BREDR_PREFERRED 1
107
108 /* AMP Preferred
109 * Allow use of AMP controllers
110 * If the L2CAP channel is currently on BR/EDR and AMP controller
111 * resources are available, initiate a channel move to AMP.
112 * Channel move requests from the remote device are allowed.
113 * If the L2CAP socket has not been connected yet, try to create
114 * and configure the channel directly on an AMP controller rather
115 * than BR/EDR.
116 */
117 #define BT_CHANNEL_POLICY_AMP_PREFERRED 2
118
119 #define BT_VOICE 11
120 struct bt_voice {
121 __u16 setting;
122 };
123
124 #define BT_VOICE_TRANSPARENT 0x0003
125 #define BT_VOICE_CVSD_16BIT 0x0060
126 #define BT_VOICE_TRANSPARENT_16BIT 0x0063
127
128 #define BT_SNDMTU 12
129 #define BT_RCVMTU 13
130 #define BT_PHY 14
131
132 #define BT_PHY_BR_1M_1SLOT 0x00000001
133 #define BT_PHY_BR_1M_3SLOT 0x00000002
134 #define BT_PHY_BR_1M_5SLOT 0x00000004
135 #define BT_PHY_EDR_2M_1SLOT 0x00000008
136 #define BT_PHY_EDR_2M_3SLOT 0x00000010
137 #define BT_PHY_EDR_2M_5SLOT 0x00000020
138 #define BT_PHY_EDR_3M_1SLOT 0x00000040
139 #define BT_PHY_EDR_3M_3SLOT 0x00000080
140 #define BT_PHY_EDR_3M_5SLOT 0x00000100
141 #define BT_PHY_LE_1M_TX 0x00000200
142 #define BT_PHY_LE_1M_RX 0x00000400
143 #define BT_PHY_LE_2M_TX 0x00000800
144 #define BT_PHY_LE_2M_RX 0x00001000
145 #define BT_PHY_LE_CODED_TX 0x00002000
146 #define BT_PHY_LE_CODED_RX 0x00004000
147
148 #define BT_MODE 15
149
150 #define BT_MODE_BASIC 0x00
151 #define BT_MODE_ERTM 0x01
152 #define BT_MODE_STREAMING 0x02
153 #define BT_MODE_LE_FLOWCTL 0x03
154 #define BT_MODE_EXT_FLOWCTL 0x04
155
156 #define BT_PKT_STATUS 16
157
158 #define BT_SCM_PKT_STATUS 0x03
159
160 #define BT_ISO_QOS 17
161
162 #define BT_ISO_QOS_CIG_UNSET 0xff
163 #define BT_ISO_QOS_CIS_UNSET 0xff
164
165 #define BT_ISO_QOS_BIG_UNSET 0xff
166 #define BT_ISO_QOS_BIS_UNSET 0xff
167
168 #define BT_ISO_SYNC_TIMEOUT 0x07d0 /* 20 secs */
169
170 struct bt_iso_io_qos {
171 __u32 interval;
172 __u16 latency;
173 __u16 sdu;
174 __u8 phy;
175 __u8 rtn;
176 };
177
178 struct bt_iso_ucast_qos {
179 __u8 cig;
180 __u8 cis;
181 __u8 sca;
182 __u8 packing;
183 __u8 framing;
184 struct bt_iso_io_qos in;
185 struct bt_iso_io_qos out;
186 };
187
188 struct bt_iso_bcast_qos {
189 __u8 big;
190 __u8 bis;
191 __u8 sync_factor;
192 __u8 packing;
193 __u8 framing;
194 struct bt_iso_io_qos in;
195 struct bt_iso_io_qos out;
196 __u8 encryption;
197 __u8 bcode[16];
198 __u8 options;
199 __u16 skip;
200 __u16 sync_timeout;
201 __u8 sync_cte_type;
202 __u8 mse;
203 __u16 timeout;
204 };
205
206 struct bt_iso_qos {
207 union {
208 struct bt_iso_ucast_qos ucast;
209 struct bt_iso_bcast_qos bcast;
210 };
211 };
212
213 #define BT_ISO_PHY_1M 0x01
214 #define BT_ISO_PHY_2M 0x02
215 #define BT_ISO_PHY_CODED 0x04
216 #define BT_ISO_PHY_ANY (BT_ISO_PHY_1M | BT_ISO_PHY_2M | \
217 BT_ISO_PHY_CODED)
218
219 #define BT_CODEC 19
220
221 struct bt_codec_caps {
222 __u8 len;
223 __u8 data[];
224 } __packed;
225
226 struct bt_codec {
227 __u8 id;
228 __u16 cid;
229 __u16 vid;
230 __u8 data_path;
231 __u8 num_caps;
232 } __packed;
233
234 struct bt_codecs {
235 __u8 num_codecs;
236 struct bt_codec codecs[];
237 } __packed;
238
239 #define BT_CODEC_CVSD 0x02
240 #define BT_CODEC_TRANSPARENT 0x03
241 #define BT_CODEC_MSBC 0x05
242
243 #define BT_ISO_BASE 20
244
245 __printf(1, 2)
246 void bt_info(const char *fmt, ...);
247 __printf(1, 2)
248 void bt_warn(const char *fmt, ...);
249 __printf(1, 2)
250 void bt_err(const char *fmt, ...);
251 #if IS_ENABLED(CONFIG_BT_FEATURE_DEBUG)
252 void bt_dbg_set(bool enable);
253 bool bt_dbg_get(void);
254 __printf(1, 2)
255 void bt_dbg(const char *fmt, ...);
256 #endif
257 __printf(1, 2)
258 void bt_warn_ratelimited(const char *fmt, ...);
259 __printf(1, 2)
260 void bt_err_ratelimited(const char *fmt, ...);
261
262 #define BT_INFO(fmt, ...) bt_info(fmt "\n", ##__VA_ARGS__)
263 #define BT_WARN(fmt, ...) bt_warn(fmt "\n", ##__VA_ARGS__)
264 #define BT_ERR(fmt, ...) bt_err(fmt "\n", ##__VA_ARGS__)
265
266 #if IS_ENABLED(CONFIG_BT_FEATURE_DEBUG)
267 #define BT_DBG(fmt, ...) bt_dbg(fmt "\n", ##__VA_ARGS__)
268 #else
269 #define BT_DBG(fmt, ...) pr_debug(fmt "\n", ##__VA_ARGS__)
270 #endif
271
272 #define bt_dev_name(hdev) ((hdev) ? (hdev)->name : "null")
273
274 #define bt_dev_info(hdev, fmt, ...) \
275 BT_INFO("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
276 #define bt_dev_warn(hdev, fmt, ...) \
277 BT_WARN("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
278 #define bt_dev_err(hdev, fmt, ...) \
279 BT_ERR("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
280 #define bt_dev_dbg(hdev, fmt, ...) \
281 BT_DBG("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
282
283 #define bt_dev_warn_ratelimited(hdev, fmt, ...) \
284 bt_warn_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
285 #define bt_dev_err_ratelimited(hdev, fmt, ...) \
286 bt_err_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
287
288 /* Connection and socket states */
289 enum {
290 BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
291 BT_OPEN,
292 BT_BOUND,
293 BT_LISTEN,
294 BT_CONNECT,
295 BT_CONNECT2,
296 BT_CONFIG,
297 BT_DISCONN,
298 BT_CLOSED
299 };
300
301 /* If unused will be removed by compiler */
state_to_string(int state)302 static inline const char *state_to_string(int state)
303 {
304 switch (state) {
305 case BT_CONNECTED:
306 return "BT_CONNECTED";
307 case BT_OPEN:
308 return "BT_OPEN";
309 case BT_BOUND:
310 return "BT_BOUND";
311 case BT_LISTEN:
312 return "BT_LISTEN";
313 case BT_CONNECT:
314 return "BT_CONNECT";
315 case BT_CONNECT2:
316 return "BT_CONNECT2";
317 case BT_CONFIG:
318 return "BT_CONFIG";
319 case BT_DISCONN:
320 return "BT_DISCONN";
321 case BT_CLOSED:
322 return "BT_CLOSED";
323 }
324
325 return "invalid state";
326 }
327
328 /* BD Address */
329 typedef struct {
330 __u8 b[6];
331 } __packed bdaddr_t;
332
333 /* BD Address type */
334 #define BDADDR_BREDR 0x00
335 #define BDADDR_LE_PUBLIC 0x01
336 #define BDADDR_LE_RANDOM 0x02
337
bdaddr_type_is_valid(u8 type)338 static inline bool bdaddr_type_is_valid(u8 type)
339 {
340 switch (type) {
341 case BDADDR_BREDR:
342 case BDADDR_LE_PUBLIC:
343 case BDADDR_LE_RANDOM:
344 return true;
345 }
346
347 return false;
348 }
349
bdaddr_type_is_le(u8 type)350 static inline bool bdaddr_type_is_le(u8 type)
351 {
352 switch (type) {
353 case BDADDR_LE_PUBLIC:
354 case BDADDR_LE_RANDOM:
355 return true;
356 }
357
358 return false;
359 }
360
361 #define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
362 #define BDADDR_NONE (&(bdaddr_t) {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}})
363
364 /* Copy, swap, convert BD Address */
bacmp(const bdaddr_t * ba1,const bdaddr_t * ba2)365 static inline int bacmp(const bdaddr_t *ba1, const bdaddr_t *ba2)
366 {
367 return memcmp(ba1, ba2, sizeof(bdaddr_t));
368 }
bacpy(bdaddr_t * dst,const bdaddr_t * src)369 static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src)
370 {
371 memcpy(dst, src, sizeof(bdaddr_t));
372 }
373
374 void baswap(bdaddr_t *dst, const bdaddr_t *src);
375
376 /* Common socket structures and functions */
377
378 #define bt_sk(__sk) ((struct bt_sock *) __sk)
379
380 struct bt_sock {
381 struct sock sk;
382 struct list_head accept_q;
383 struct sock *parent;
384 unsigned long flags;
385 void (*skb_msg_name)(struct sk_buff *, void *, int *);
386 void (*skb_put_cmsg)(struct sk_buff *, struct msghdr *, struct sock *);
387 };
388
389 enum {
390 BT_SK_DEFER_SETUP,
391 BT_SK_SUSPEND,
392 BT_SK_PKT_STATUS
393 };
394
395 struct bt_sock_list {
396 struct hlist_head head;
397 rwlock_t lock;
398 #ifdef CONFIG_PROC_FS
399 int (* custom_seq_show)(struct seq_file *, void *);
400 #endif
401 };
402
403 int bt_sock_register(int proto, const struct net_proto_family *ops);
404 void bt_sock_unregister(int proto);
405 void bt_sock_link(struct bt_sock_list *l, struct sock *s);
406 void bt_sock_unlink(struct bt_sock_list *l, struct sock *s);
407 bool bt_sock_linked(struct bt_sock_list *l, struct sock *s);
408 struct sock *bt_sock_alloc(struct net *net, struct socket *sock,
409 struct proto *prot, int proto, gfp_t prio, int kern);
410 int bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
411 int flags);
412 int bt_sock_stream_recvmsg(struct socket *sock, struct msghdr *msg,
413 size_t len, int flags);
414 __poll_t bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait);
415 int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
416 int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
417 int bt_sock_wait_ready(struct sock *sk, unsigned int msg_flags);
418
419 void bt_accept_enqueue(struct sock *parent, struct sock *sk, bool bh);
420 void bt_accept_unlink(struct sock *sk);
421 struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock);
422
423 /* Skb helpers */
424 struct l2cap_ctrl {
425 u8 sframe:1,
426 poll:1,
427 final:1,
428 fcs:1,
429 sar:2,
430 super:2;
431
432 u16 reqseq;
433 u16 txseq;
434 u8 retries;
435 __le16 psm;
436 bdaddr_t bdaddr;
437 struct l2cap_chan *chan;
438 };
439
440 struct hci_dev;
441
442 typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status, u16 opcode);
443 typedef void (*hci_req_complete_skb_t)(struct hci_dev *hdev, u8 status,
444 u16 opcode, struct sk_buff *skb);
445
446 #define HCI_REQ_START BIT(0)
447 #define HCI_REQ_SKB BIT(1)
448
449 struct hci_ctrl {
450 struct sock *sk;
451 u16 opcode;
452 u8 req_flags;
453 u8 req_event;
454 union {
455 hci_req_complete_t req_complete;
456 hci_req_complete_skb_t req_complete_skb;
457 };
458 };
459
460 struct mgmt_ctrl {
461 struct hci_dev *hdev;
462 u16 opcode;
463 };
464
465 struct bt_skb_cb {
466 u8 pkt_type;
467 u8 force_active;
468 u16 expect;
469 u8 incoming:1;
470 u8 pkt_status:2;
471 union {
472 struct l2cap_ctrl l2cap;
473 struct hci_ctrl hci;
474 struct mgmt_ctrl mgmt;
475 struct scm_creds creds;
476 };
477 };
478 #define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))
479
480 #define hci_skb_pkt_type(skb) bt_cb((skb))->pkt_type
481 #define hci_skb_pkt_status(skb) bt_cb((skb))->pkt_status
482 #define hci_skb_expect(skb) bt_cb((skb))->expect
483 #define hci_skb_opcode(skb) bt_cb((skb))->hci.opcode
484 #define hci_skb_event(skb) bt_cb((skb))->hci.req_event
485 #define hci_skb_sk(skb) bt_cb((skb))->hci.sk
486
bt_skb_alloc(unsigned int len,gfp_t how)487 static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
488 {
489 struct sk_buff *skb;
490
491 skb = alloc_skb(len + BT_SKB_RESERVE, how);
492 if (skb)
493 skb_reserve(skb, BT_SKB_RESERVE);
494 return skb;
495 }
496
bt_skb_send_alloc(struct sock * sk,unsigned long len,int nb,int * err)497 static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk,
498 unsigned long len, int nb, int *err)
499 {
500 struct sk_buff *skb;
501
502 skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err);
503 if (skb)
504 skb_reserve(skb, BT_SKB_RESERVE);
505
506 if (!skb && *err)
507 return NULL;
508
509 *err = sock_error(sk);
510 if (*err)
511 goto out;
512
513 if (sk->sk_shutdown) {
514 *err = -ECONNRESET;
515 goto out;
516 }
517
518 return skb;
519
520 out:
521 kfree_skb(skb);
522 return NULL;
523 }
524
525 /* Shall not be called with lock_sock held */
bt_skb_sendmsg(struct sock * sk,struct msghdr * msg,size_t len,size_t mtu,size_t headroom,size_t tailroom)526 static inline struct sk_buff *bt_skb_sendmsg(struct sock *sk,
527 struct msghdr *msg,
528 size_t len, size_t mtu,
529 size_t headroom, size_t tailroom)
530 {
531 struct sk_buff *skb;
532 size_t size = min_t(size_t, len, mtu);
533 int err;
534
535 skb = bt_skb_send_alloc(sk, size + headroom + tailroom,
536 msg->msg_flags & MSG_DONTWAIT, &err);
537 if (!skb)
538 return ERR_PTR(err);
539
540 skb_reserve(skb, headroom);
541 skb_tailroom_reserve(skb, mtu, tailroom);
542
543 if (!copy_from_iter_full(skb_put(skb, size), size, &msg->msg_iter)) {
544 kfree_skb(skb);
545 return ERR_PTR(-EFAULT);
546 }
547
548 skb->priority = sk->sk_priority;
549
550 return skb;
551 }
552
553 /* Similar to bt_skb_sendmsg but can split the msg into multiple fragments
554 * accourding to the MTU.
555 */
bt_skb_sendmmsg(struct sock * sk,struct msghdr * msg,size_t len,size_t mtu,size_t headroom,size_t tailroom)556 static inline struct sk_buff *bt_skb_sendmmsg(struct sock *sk,
557 struct msghdr *msg,
558 size_t len, size_t mtu,
559 size_t headroom, size_t tailroom)
560 {
561 struct sk_buff *skb, **frag;
562
563 skb = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom);
564 if (IS_ERR(skb))
565 return skb;
566
567 len -= skb->len;
568 if (!len)
569 return skb;
570
571 /* Add remaining data over MTU as continuation fragments */
572 frag = &skb_shinfo(skb)->frag_list;
573 while (len) {
574 struct sk_buff *tmp;
575
576 tmp = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom);
577 if (IS_ERR(tmp)) {
578 return skb;
579 }
580
581 len -= tmp->len;
582
583 *frag = tmp;
584 frag = &(*frag)->next;
585 }
586
587 return skb;
588 }
589
bt_copy_from_sockptr(void * dst,size_t dst_size,sockptr_t src,size_t src_size)590 static inline int bt_copy_from_sockptr(void *dst, size_t dst_size,
591 sockptr_t src, size_t src_size)
592 {
593 if (dst_size > src_size)
594 return -EINVAL;
595
596 return copy_from_sockptr(dst, src, dst_size);
597 }
598
599 int bt_to_errno(u16 code);
600 __u8 bt_status(int err);
601
602 void hci_sock_set_flag(struct sock *sk, int nr);
603 void hci_sock_clear_flag(struct sock *sk, int nr);
604 int hci_sock_test_flag(struct sock *sk, int nr);
605 unsigned short hci_sock_get_channel(struct sock *sk);
606 u32 hci_sock_get_cookie(struct sock *sk);
607
608 int hci_sock_init(void);
609 void hci_sock_cleanup(void);
610
611 int bt_sysfs_init(void);
612 void bt_sysfs_cleanup(void);
613
614 int bt_procfs_init(struct net *net, const char *name,
615 struct bt_sock_list *sk_list,
616 int (*seq_show)(struct seq_file *, void *));
617 void bt_procfs_cleanup(struct net *net, const char *name);
618
619 extern struct dentry *bt_debugfs;
620
621 int l2cap_init(void);
622 void l2cap_exit(void);
623
624 #if IS_ENABLED(CONFIG_BT_BREDR)
625 int sco_init(void);
626 void sco_exit(void);
627 #else
sco_init(void)628 static inline int sco_init(void)
629 {
630 return 0;
631 }
632
sco_exit(void)633 static inline void sco_exit(void)
634 {
635 }
636 #endif
637
638 #if IS_ENABLED(CONFIG_BT_LE)
639 int iso_init(void);
640 int iso_exit(void);
641 bool iso_enabled(void);
642 #else
iso_init(void)643 static inline int iso_init(void)
644 {
645 return 0;
646 }
647
iso_exit(void)648 static inline int iso_exit(void)
649 {
650 return 0;
651 }
652
iso_enabled(void)653 static inline bool iso_enabled(void)
654 {
655 return false;
656 }
657 #endif
658
659 int mgmt_init(void);
660 void mgmt_exit(void);
661 void mgmt_cleanup(struct sock *sk);
662
663 void bt_sock_reclassify_lock(struct sock *sk, int proto);
664
665 #endif /* __BLUETOOTH_H */
666