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 #include <linux/ethtool.h>
33
34 #define BT_SUBSYS_VERSION 2
35 #define BT_SUBSYS_REVISION 22
36
37 #ifndef AF_BLUETOOTH
38 #define AF_BLUETOOTH 31
39 #define PF_BLUETOOTH AF_BLUETOOTH
40 #endif
41
42 /* Bluetooth versions */
43 #define BLUETOOTH_VER_1_1 1
44 #define BLUETOOTH_VER_1_2 2
45 #define BLUETOOTH_VER_2_0 3
46 #define BLUETOOTH_VER_2_1 4
47 #define BLUETOOTH_VER_4_0 6
48
49 /* Reserv for core and drivers use */
50 #define BT_SKB_RESERVE 8
51
52 #define BTPROTO_L2CAP 0
53 #define BTPROTO_HCI 1
54 #define BTPROTO_SCO 2
55 #define BTPROTO_RFCOMM 3
56 #define BTPROTO_BNEP 4
57 #define BTPROTO_CMTP 5
58 #define BTPROTO_HIDP 6
59 #define BTPROTO_AVDTP 7
60 #define BTPROTO_ISO 8
61 #define BTPROTO_LAST BTPROTO_ISO
62
63 #define SOL_HCI 0
64 #define SOL_L2CAP 6
65 #define SOL_SCO 17
66 #define SOL_RFCOMM 18
67
68 #define BT_SECURITY 4
69 struct bt_security {
70 __u8 level;
71 __u8 key_size;
72 };
73 #define BT_SECURITY_SDP 0
74 #define BT_SECURITY_LOW 1
75 #define BT_SECURITY_MEDIUM 2
76 #define BT_SECURITY_HIGH 3
77 #define BT_SECURITY_FIPS 4
78
79 #define BT_DEFER_SETUP 7
80
81 #define BT_FLUSHABLE 8
82
83 #define BT_FLUSHABLE_OFF 0
84 #define BT_FLUSHABLE_ON 1
85
86 #define BT_POWER 9
87 struct bt_power {
88 __u8 force_active;
89 };
90 #define BT_POWER_FORCE_ACTIVE_OFF 0
91 #define BT_POWER_FORCE_ACTIVE_ON 1
92
93 #define BT_CHANNEL_POLICY 10
94
95 /* BR/EDR only (default policy)
96 * AMP controllers cannot be used.
97 * Channel move requests from the remote device are denied.
98 * If the L2CAP channel is currently using AMP, move the channel to BR/EDR.
99 */
100 #define BT_CHANNEL_POLICY_BREDR_ONLY 0
101
102 /* BR/EDR Preferred
103 * Allow use of AMP controllers.
104 * If the L2CAP channel is currently on AMP, move it to BR/EDR.
105 * Channel move requests from the remote device are allowed.
106 */
107 #define BT_CHANNEL_POLICY_BREDR_PREFERRED 1
108
109 /* AMP Preferred
110 * Allow use of AMP controllers
111 * If the L2CAP channel is currently on BR/EDR and AMP controller
112 * resources are available, initiate a channel move to AMP.
113 * Channel move requests from the remote device are allowed.
114 * If the L2CAP socket has not been connected yet, try to create
115 * and configure the channel directly on an AMP controller rather
116 * than BR/EDR.
117 */
118 #define BT_CHANNEL_POLICY_AMP_PREFERRED 2
119
120 #define BT_VOICE 11
121 struct bt_voice {
122 __u16 setting;
123 };
124
125 #define BT_VOICE_TRANSPARENT 0x0003
126 #define BT_VOICE_CVSD_16BIT 0x0060
127 #define BT_VOICE_TRANSPARENT_16BIT 0x0063
128
129 #define BT_SNDMTU 12
130 #define BT_RCVMTU 13
131 #define BT_PHY 14
132
133 #define BT_PHY_BR_1M_1SLOT 0x00000001
134 #define BT_PHY_BR_1M_3SLOT 0x00000002
135 #define BT_PHY_BR_1M_5SLOT 0x00000004
136 #define BT_PHY_EDR_2M_1SLOT 0x00000008
137 #define BT_PHY_EDR_2M_3SLOT 0x00000010
138 #define BT_PHY_EDR_2M_5SLOT 0x00000020
139 #define BT_PHY_EDR_3M_1SLOT 0x00000040
140 #define BT_PHY_EDR_3M_3SLOT 0x00000080
141 #define BT_PHY_EDR_3M_5SLOT 0x00000100
142 #define BT_PHY_LE_1M_TX 0x00000200
143 #define BT_PHY_LE_1M_RX 0x00000400
144 #define BT_PHY_LE_2M_TX 0x00000800
145 #define BT_PHY_LE_2M_RX 0x00001000
146 #define BT_PHY_LE_CODED_TX 0x00002000
147 #define BT_PHY_LE_CODED_RX 0x00004000
148
149 #define BT_MODE 15
150
151 #define BT_MODE_BASIC 0x00
152 #define BT_MODE_ERTM 0x01
153 #define BT_MODE_STREAMING 0x02
154 #define BT_MODE_LE_FLOWCTL 0x03
155 #define BT_MODE_EXT_FLOWCTL 0x04
156
157 #define BT_PKT_STATUS 16
158
159 #define BT_SCM_PKT_STATUS 0x03
160 #define BT_SCM_ERROR 0x04
161
162 #define BT_ISO_QOS 17
163
164 #define BT_ISO_QOS_CIG_UNSET 0xff
165 #define BT_ISO_QOS_CIS_UNSET 0xff
166
167 #define BT_ISO_QOS_BIG_UNSET 0xff
168 #define BT_ISO_QOS_BIS_UNSET 0xff
169
170 #define BT_ISO_SYNC_TIMEOUT 0x07d0 /* 20 secs */
171
172 struct bt_iso_io_qos {
173 __u32 interval;
174 __u16 latency;
175 __u16 sdu;
176 __u8 phy;
177 __u8 rtn;
178 };
179
180 struct bt_iso_ucast_qos {
181 __u8 cig;
182 __u8 cis;
183 __u8 sca;
184 __u8 packing;
185 __u8 framing;
186 struct bt_iso_io_qos in;
187 struct bt_iso_io_qos out;
188 };
189
190 struct bt_iso_bcast_qos {
191 __u8 big;
192 __u8 bis;
193 __u8 sync_factor;
194 __u8 packing;
195 __u8 framing;
196 struct bt_iso_io_qos in;
197 struct bt_iso_io_qos out;
198 __u8 encryption;
199 __u8 bcode[16];
200 __u8 options;
201 __u16 skip;
202 __u16 sync_timeout;
203 __u8 sync_cte_type;
204 __u8 mse;
205 __u16 timeout;
206 };
207
208 struct bt_iso_qos {
209 union {
210 struct bt_iso_ucast_qos ucast;
211 struct bt_iso_bcast_qos bcast;
212 };
213 };
214
215 #define BT_ISO_PHY_1M 0x01
216 #define BT_ISO_PHY_2M 0x02
217 #define BT_ISO_PHY_CODED 0x04
218 #define BT_ISO_PHY_ANY (BT_ISO_PHY_1M | BT_ISO_PHY_2M | \
219 BT_ISO_PHY_CODED)
220
221 #define BT_CODEC 19
222
223 struct bt_codec_caps {
224 __u8 len;
225 __u8 data[];
226 } __packed;
227
228 struct bt_codec {
229 __u8 id;
230 __u16 cid;
231 __u16 vid;
232 __u8 data_path;
233 __u8 num_caps;
234 } __packed;
235
236 struct bt_codecs {
237 __u8 num_codecs;
238 struct bt_codec codecs[];
239 } __packed;
240
241 #define BT_CODEC_CVSD 0x02
242 #define BT_CODEC_TRANSPARENT 0x03
243 #define BT_CODEC_MSBC 0x05
244
245 #define BT_ISO_BASE 20
246
247 /* Socket option value 21 reserved */
248
249 #define BT_PKT_SEQNUM 22
250
251 #define BT_SCM_PKT_SEQNUM 0x05
252
253 __printf(1, 2)
254 void bt_info(const char *fmt, ...);
255 __printf(1, 2)
256 void bt_warn(const char *fmt, ...);
257 __printf(1, 2)
258 void bt_err(const char *fmt, ...);
259 #if IS_ENABLED(CONFIG_BT_FEATURE_DEBUG)
260 void bt_dbg_set(bool enable);
261 bool bt_dbg_get(void);
262 __printf(1, 2)
263 void bt_dbg(const char *fmt, ...);
264 #endif
265 __printf(1, 2)
266 void bt_warn_ratelimited(const char *fmt, ...);
267 __printf(1, 2)
268 void bt_err_ratelimited(const char *fmt, ...);
269
270 #define BT_INFO(fmt, ...) bt_info(fmt "\n", ##__VA_ARGS__)
271 #define BT_WARN(fmt, ...) bt_warn(fmt "\n", ##__VA_ARGS__)
272 #define BT_ERR(fmt, ...) bt_err(fmt "\n", ##__VA_ARGS__)
273
274 #if IS_ENABLED(CONFIG_BT_FEATURE_DEBUG)
275 #define BT_DBG(fmt, ...) bt_dbg(fmt "\n", ##__VA_ARGS__)
276 #else
277 #define BT_DBG(fmt, ...) pr_debug(fmt "\n", ##__VA_ARGS__)
278 #endif
279
280 #define bt_dev_name(hdev) ((hdev) ? (hdev)->name : "null")
281
282 #define bt_dev_info(hdev, fmt, ...) \
283 BT_INFO("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
284 #define bt_dev_warn(hdev, fmt, ...) \
285 BT_WARN("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
286 #define bt_dev_err(hdev, fmt, ...) \
287 BT_ERR("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
288 #define bt_dev_dbg(hdev, fmt, ...) \
289 BT_DBG("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
290
291 #define bt_dev_warn_ratelimited(hdev, fmt, ...) \
292 bt_warn_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
293 #define bt_dev_err_ratelimited(hdev, fmt, ...) \
294 bt_err_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
295
296 /* Connection and socket states */
297 enum bt_sock_state {
298 BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
299 BT_OPEN,
300 BT_BOUND,
301 BT_LISTEN,
302 BT_CONNECT,
303 BT_CONNECT2,
304 BT_CONFIG,
305 BT_DISCONN,
306 BT_CLOSED
307 };
308
309 /* If unused will be removed by compiler */
state_to_string(int state)310 static inline const char *state_to_string(int state)
311 {
312 switch (state) {
313 case BT_CONNECTED:
314 return "BT_CONNECTED";
315 case BT_OPEN:
316 return "BT_OPEN";
317 case BT_BOUND:
318 return "BT_BOUND";
319 case BT_LISTEN:
320 return "BT_LISTEN";
321 case BT_CONNECT:
322 return "BT_CONNECT";
323 case BT_CONNECT2:
324 return "BT_CONNECT2";
325 case BT_CONFIG:
326 return "BT_CONFIG";
327 case BT_DISCONN:
328 return "BT_DISCONN";
329 case BT_CLOSED:
330 return "BT_CLOSED";
331 }
332
333 return "invalid state";
334 }
335
336 /* BD Address */
337 typedef struct {
338 __u8 b[6];
339 } __packed bdaddr_t;
340
341 /* BD Address type */
342 #define BDADDR_BREDR 0x00
343 #define BDADDR_LE_PUBLIC 0x01
344 #define BDADDR_LE_RANDOM 0x02
345
bdaddr_type_is_valid(u8 type)346 static inline bool bdaddr_type_is_valid(u8 type)
347 {
348 switch (type) {
349 case BDADDR_BREDR:
350 case BDADDR_LE_PUBLIC:
351 case BDADDR_LE_RANDOM:
352 return true;
353 }
354
355 return false;
356 }
357
bdaddr_type_is_le(u8 type)358 static inline bool bdaddr_type_is_le(u8 type)
359 {
360 switch (type) {
361 case BDADDR_LE_PUBLIC:
362 case BDADDR_LE_RANDOM:
363 return true;
364 }
365
366 return false;
367 }
368
369 #define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
370 #define BDADDR_NONE (&(bdaddr_t) {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}})
371
372 /* Copy, swap, convert BD Address */
bacmp(const bdaddr_t * ba1,const bdaddr_t * ba2)373 static inline int bacmp(const bdaddr_t *ba1, const bdaddr_t *ba2)
374 {
375 return memcmp(ba1, ba2, sizeof(bdaddr_t));
376 }
bacpy(bdaddr_t * dst,const bdaddr_t * src)377 static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src)
378 {
379 memcpy(dst, src, sizeof(bdaddr_t));
380 }
381
382 void baswap(bdaddr_t *dst, const bdaddr_t *src);
383
384 /* Common socket structures and functions */
385
386 #define bt_sk(__sk) ((struct bt_sock *) __sk)
387
388 struct bt_sock {
389 struct sock sk;
390 struct list_head accept_q;
391 struct sock *parent;
392 unsigned long flags;
393 void (*skb_msg_name)(struct sk_buff *, void *, int *);
394 void (*skb_put_cmsg)(struct sk_buff *, struct msghdr *, struct sock *);
395 };
396
397 enum {
398 BT_SK_DEFER_SETUP,
399 BT_SK_SUSPEND,
400 BT_SK_PKT_STATUS,
401 BT_SK_PKT_SEQNUM,
402 };
403
404 struct bt_sock_list {
405 struct hlist_head head;
406 rwlock_t lock;
407 #ifdef CONFIG_PROC_FS
408 int (* custom_seq_show)(struct seq_file *, void *);
409 #endif
410 };
411
412 int bt_sock_register(int proto, const struct net_proto_family *ops);
413 void bt_sock_unregister(int proto);
414 void bt_sock_link(struct bt_sock_list *l, struct sock *s);
415 void bt_sock_unlink(struct bt_sock_list *l, struct sock *s);
416 bool bt_sock_linked(struct bt_sock_list *l, struct sock *s);
417 struct sock *bt_sock_alloc(struct net *net, struct socket *sock,
418 struct proto *prot, int proto, gfp_t prio, int kern);
419 int bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
420 int flags);
421 int bt_sock_stream_recvmsg(struct socket *sock, struct msghdr *msg,
422 size_t len, int flags);
423 __poll_t bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait);
424 int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
425 int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
426 int bt_sock_wait_ready(struct sock *sk, unsigned int msg_flags);
427
428 void bt_accept_enqueue(struct sock *parent, struct sock *sk, bool bh);
429 void bt_accept_unlink(struct sock *sk);
430 struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock);
431
432 /* Skb helpers */
433 struct l2cap_ctrl {
434 u8 sframe:1,
435 poll:1,
436 final:1,
437 fcs:1,
438 sar:2,
439 super:2;
440
441 u16 reqseq;
442 u16 txseq;
443 u8 retries;
444 __le16 psm;
445 bdaddr_t bdaddr;
446 struct l2cap_chan *chan;
447 };
448
449 struct hci_dev;
450
451 typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status, u16 opcode);
452 typedef void (*hci_req_complete_skb_t)(struct hci_dev *hdev, u8 status,
453 u16 opcode, struct sk_buff *skb);
454
455 void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status,
456 hci_req_complete_t *req_complete,
457 hci_req_complete_skb_t *req_complete_skb);
458
459 int hci_ethtool_ts_info(unsigned int index, int sk_proto,
460 struct kernel_ethtool_ts_info *ts_info);
461
462 #define HCI_REQ_START BIT(0)
463 #define HCI_REQ_SKB BIT(1)
464
465 struct hci_ctrl {
466 struct sock *sk;
467 u16 opcode;
468 u8 req_flags;
469 u8 req_event;
470 union {
471 hci_req_complete_t req_complete;
472 hci_req_complete_skb_t req_complete_skb;
473 };
474 };
475
476 struct mgmt_ctrl {
477 struct hci_dev *hdev;
478 u16 opcode;
479 };
480
481 struct bt_skb_cb {
482 u8 pkt_type;
483 u8 force_active;
484 u16 expect;
485 u16 pkt_seqnum;
486 u8 incoming:1;
487 u8 pkt_status:2;
488 union {
489 struct l2cap_ctrl l2cap;
490 struct hci_ctrl hci;
491 struct mgmt_ctrl mgmt;
492 struct scm_creds creds;
493 };
494 };
495 #define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))
496
497 #define hci_skb_pkt_type(skb) bt_cb((skb))->pkt_type
498 #define hci_skb_pkt_status(skb) bt_cb((skb))->pkt_status
499 #define hci_skb_pkt_seqnum(skb) bt_cb((skb))->pkt_seqnum
500 #define hci_skb_expect(skb) bt_cb((skb))->expect
501 #define hci_skb_opcode(skb) bt_cb((skb))->hci.opcode
502 #define hci_skb_event(skb) bt_cb((skb))->hci.req_event
503 #define hci_skb_sk(skb) bt_cb((skb))->hci.sk
504
bt_skb_alloc(unsigned int len,gfp_t how)505 static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
506 {
507 struct sk_buff *skb;
508
509 skb = alloc_skb(len + BT_SKB_RESERVE, how);
510 if (skb)
511 skb_reserve(skb, BT_SKB_RESERVE);
512 return skb;
513 }
514
bt_skb_send_alloc(struct sock * sk,unsigned long len,int nb,int * err)515 static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk,
516 unsigned long len, int nb, int *err)
517 {
518 struct sk_buff *skb;
519
520 skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err);
521 if (skb)
522 skb_reserve(skb, BT_SKB_RESERVE);
523
524 if (!skb && *err)
525 return NULL;
526
527 *err = sock_error(sk);
528 if (*err)
529 goto out;
530
531 if (sk->sk_shutdown) {
532 *err = -ECONNRESET;
533 goto out;
534 }
535
536 return skb;
537
538 out:
539 kfree_skb(skb);
540 return NULL;
541 }
542
543 /* 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)544 static inline struct sk_buff *bt_skb_sendmsg(struct sock *sk,
545 struct msghdr *msg,
546 size_t len, size_t mtu,
547 size_t headroom, size_t tailroom)
548 {
549 struct sk_buff *skb;
550 size_t size = min_t(size_t, len, mtu);
551 int err;
552
553 skb = bt_skb_send_alloc(sk, size + headroom + tailroom,
554 msg->msg_flags & MSG_DONTWAIT, &err);
555 if (!skb)
556 return ERR_PTR(err);
557
558 skb_reserve(skb, headroom);
559 skb_tailroom_reserve(skb, mtu, tailroom);
560
561 if (!copy_from_iter_full(skb_put(skb, size), size, &msg->msg_iter)) {
562 kfree_skb(skb);
563 return ERR_PTR(-EFAULT);
564 }
565
566 skb->priority = READ_ONCE(sk->sk_priority);
567
568 return skb;
569 }
570
571 /* Similar to bt_skb_sendmsg but can split the msg into multiple fragments
572 * accourding to the MTU.
573 */
bt_skb_sendmmsg(struct sock * sk,struct msghdr * msg,size_t len,size_t mtu,size_t headroom,size_t tailroom)574 static inline struct sk_buff *bt_skb_sendmmsg(struct sock *sk,
575 struct msghdr *msg,
576 size_t len, size_t mtu,
577 size_t headroom, size_t tailroom)
578 {
579 struct sk_buff *skb, **frag;
580
581 skb = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom);
582 if (IS_ERR(skb))
583 return skb;
584
585 len -= skb->len;
586 if (!len)
587 return skb;
588
589 /* Add remaining data over MTU as continuation fragments */
590 frag = &skb_shinfo(skb)->frag_list;
591 while (len) {
592 struct sk_buff *tmp;
593
594 tmp = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom);
595 if (IS_ERR(tmp)) {
596 return skb;
597 }
598
599 len -= tmp->len;
600
601 *frag = tmp;
602 frag = &(*frag)->next;
603 }
604
605 return skb;
606 }
607
608 int bt_to_errno(u16 code);
609 __u8 bt_status(int err);
610
611 void hci_sock_set_flag(struct sock *sk, int nr);
612 void hci_sock_clear_flag(struct sock *sk, int nr);
613 int hci_sock_test_flag(struct sock *sk, int nr);
614 unsigned short hci_sock_get_channel(struct sock *sk);
615 u32 hci_sock_get_cookie(struct sock *sk);
616
617 int hci_sock_init(void);
618 void hci_sock_cleanup(void);
619
620 int bt_sysfs_init(void);
621 void bt_sysfs_cleanup(void);
622
623 int bt_procfs_init(struct net *net, const char *name,
624 struct bt_sock_list *sk_list,
625 int (*seq_show)(struct seq_file *, void *));
626 void bt_procfs_cleanup(struct net *net, const char *name);
627
628 extern struct dentry *bt_debugfs;
629
630 int l2cap_init(void);
631 void l2cap_exit(void);
632
633 #if IS_ENABLED(CONFIG_BT_BREDR)
634 int sco_init(void);
635 void sco_exit(void);
636 #else
sco_init(void)637 static inline int sco_init(void)
638 {
639 return 0;
640 }
641
sco_exit(void)642 static inline void sco_exit(void)
643 {
644 }
645 #endif
646
647 #if IS_ENABLED(CONFIG_BT_LE)
648 int iso_init(void);
649 int iso_exit(void);
650 bool iso_enabled(void);
651 #else
iso_init(void)652 static inline int iso_init(void)
653 {
654 return 0;
655 }
656
iso_exit(void)657 static inline int iso_exit(void)
658 {
659 return 0;
660 }
661
iso_enabled(void)662 static inline bool iso_enabled(void)
663 {
664 return false;
665 }
666 #endif
667
668 int mgmt_init(void);
669 void mgmt_exit(void);
670 void mgmt_cleanup(struct sock *sk);
671
672 void bt_sock_reclassify_lock(struct sock *sk, int proto);
673
674 #endif /* __BLUETOOTH_H */
675