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 BIT(0) 134 #define BT_PHY_BR_1M_3SLOT BIT(1) 135 #define BT_PHY_BR_1M_5SLOT BIT(2) 136 #define BT_PHY_EDR_2M_1SLOT BIT(3) 137 #define BT_PHY_EDR_2M_3SLOT BIT(4) 138 #define BT_PHY_EDR_2M_5SLOT BIT(5) 139 #define BT_PHY_EDR_3M_1SLOT BIT(6) 140 #define BT_PHY_EDR_3M_3SLOT BIT(7) 141 #define BT_PHY_EDR_3M_5SLOT BIT(8) 142 #define BT_PHY_LE_1M_TX BIT(9) 143 #define BT_PHY_LE_1M_RX BIT(10) 144 #define BT_PHY_LE_2M_TX BIT(11) 145 #define BT_PHY_LE_2M_RX BIT(12) 146 #define BT_PHY_LE_CODED_TX BIT(13) 147 #define BT_PHY_LE_CODED_RX BIT(14) 148 149 #define BT_PHY_BREDR_MASK (BT_PHY_BR_1M_1SLOT | BT_PHY_BR_1M_3SLOT | \ 150 BT_PHY_BR_1M_5SLOT | BT_PHY_EDR_2M_1SLOT | \ 151 BT_PHY_EDR_2M_3SLOT | BT_PHY_EDR_2M_5SLOT | \ 152 BT_PHY_EDR_3M_1SLOT | BT_PHY_EDR_3M_3SLOT | \ 153 BT_PHY_EDR_3M_5SLOT) 154 #define BT_PHY_LE_MASK (BT_PHY_LE_1M_TX | BT_PHY_LE_1M_RX | \ 155 BT_PHY_LE_2M_TX | BT_PHY_LE_2M_RX | \ 156 BT_PHY_LE_CODED_TX | BT_PHY_LE_CODED_RX) 157 158 #define BT_MODE 15 159 160 #define BT_MODE_BASIC 0x00 161 #define BT_MODE_ERTM 0x01 162 #define BT_MODE_STREAMING 0x02 163 #define BT_MODE_LE_FLOWCTL 0x03 164 #define BT_MODE_EXT_FLOWCTL 0x04 165 166 #define BT_PKT_STATUS 16 167 168 #define BT_SCM_PKT_STATUS 0x03 169 #define BT_SCM_ERROR 0x04 170 171 #define BT_ISO_QOS 17 172 173 #define BT_ISO_QOS_CIG_UNSET 0xff 174 #define BT_ISO_QOS_CIS_UNSET 0xff 175 176 #define BT_ISO_QOS_BIG_UNSET 0xff 177 #define BT_ISO_QOS_BIS_UNSET 0xff 178 179 #define BT_ISO_SYNC_TIMEOUT 0x07d0 /* 20 secs */ 180 181 struct bt_iso_io_qos { 182 __u32 interval; 183 __u16 latency; 184 __u16 sdu; 185 __u8 phys; 186 __u8 rtn; 187 }; 188 189 struct bt_iso_ucast_qos { 190 __u8 cig; 191 __u8 cis; 192 __u8 sca; 193 __u8 packing; 194 __u8 framing; 195 struct bt_iso_io_qos in; 196 struct bt_iso_io_qos out; 197 }; 198 199 struct bt_iso_bcast_qos { 200 __u8 big; 201 __u8 bis; 202 __u8 sync_factor; 203 __u8 packing; 204 __u8 framing; 205 struct bt_iso_io_qos in; 206 struct bt_iso_io_qos out; 207 __u8 encryption; 208 __u8 bcode[16]; 209 __u8 options; 210 __u16 skip; 211 __u16 sync_timeout; 212 __u8 sync_cte_type; 213 __u8 mse; 214 __u16 timeout; 215 }; 216 217 struct bt_iso_qos { 218 union { 219 struct bt_iso_ucast_qos ucast; 220 struct bt_iso_bcast_qos bcast; 221 }; 222 }; 223 224 #define BT_ISO_PHY_1M BIT(0) 225 #define BT_ISO_PHY_2M BIT(1) 226 #define BT_ISO_PHY_CODED BIT(2) 227 #define BT_ISO_PHY_ANY (BT_ISO_PHY_1M | BT_ISO_PHY_2M | \ 228 BT_ISO_PHY_CODED) 229 230 #define BT_CODEC 19 231 232 struct bt_codec_caps { 233 __u8 len; 234 __u8 data[]; 235 } __packed; 236 237 struct bt_codec { 238 __u8 id; 239 __u16 cid; 240 __u16 vid; 241 __u8 data_path; 242 __u8 num_caps; 243 } __packed; 244 245 struct bt_codecs { 246 __u8 num_codecs; 247 struct bt_codec codecs[]; 248 } __packed; 249 250 #define BT_CODEC_CVSD 0x02 251 #define BT_CODEC_TRANSPARENT 0x03 252 #define BT_CODEC_MSBC 0x05 253 254 #define BT_ISO_BASE 20 255 256 /* Socket option value 21 reserved */ 257 258 #define BT_PKT_SEQNUM 22 259 260 #define BT_SCM_PKT_SEQNUM 0x05 261 262 __printf(1, 2) 263 void bt_info(const char *fmt, ...); 264 __printf(1, 2) 265 void bt_warn(const char *fmt, ...); 266 __printf(1, 2) 267 void bt_err(const char *fmt, ...); 268 #if IS_ENABLED(CONFIG_BT_FEATURE_DEBUG) 269 void bt_dbg_set(bool enable); 270 bool bt_dbg_get(void); 271 __printf(1, 2) 272 void bt_dbg(const char *fmt, ...); 273 #endif 274 __printf(1, 2) 275 void bt_warn_ratelimited(const char *fmt, ...); 276 __printf(1, 2) 277 void bt_err_ratelimited(const char *fmt, ...); 278 279 #define BT_INFO(fmt, ...) bt_info(fmt "\n", ##__VA_ARGS__) 280 #define BT_WARN(fmt, ...) bt_warn(fmt "\n", ##__VA_ARGS__) 281 #define BT_ERR(fmt, ...) bt_err(fmt "\n", ##__VA_ARGS__) 282 283 #if IS_ENABLED(CONFIG_BT_FEATURE_DEBUG) 284 #define BT_DBG(fmt, ...) \ 285 bt_dbg("%s:%d: " fmt "\n", __func__, __LINE__, ##__VA_ARGS__) 286 #else 287 #define BT_DBG(fmt, ...) pr_debug(fmt "\n", ##__VA_ARGS__) 288 #endif 289 290 #define bt_dev_name(hdev) ((hdev) ? (hdev)->name : "null") 291 292 #define bt_dev_info(hdev, fmt, ...) \ 293 BT_INFO("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) 294 #define bt_dev_warn(hdev, fmt, ...) \ 295 BT_WARN("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) 296 #define bt_dev_err(hdev, fmt, ...) \ 297 BT_ERR("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) 298 #define bt_dev_dbg(hdev, fmt, ...) \ 299 BT_DBG("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) 300 301 #define bt_dev_warn_ratelimited(hdev, fmt, ...) \ 302 bt_warn_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) 303 #define bt_dev_err_ratelimited(hdev, fmt, ...) \ 304 bt_err_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) 305 306 /* Connection and socket states */ 307 enum bt_sock_state { 308 BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */ 309 BT_OPEN, 310 BT_BOUND, 311 BT_LISTEN, 312 BT_CONNECT, 313 BT_CONNECT2, 314 BT_CONFIG, 315 BT_DISCONN, 316 BT_CLOSED 317 }; 318 319 /* If unused will be removed by compiler */ 320 static inline const char *state_to_string(int state) 321 { 322 switch (state) { 323 case BT_CONNECTED: 324 return "BT_CONNECTED"; 325 case BT_OPEN: 326 return "BT_OPEN"; 327 case BT_BOUND: 328 return "BT_BOUND"; 329 case BT_LISTEN: 330 return "BT_LISTEN"; 331 case BT_CONNECT: 332 return "BT_CONNECT"; 333 case BT_CONNECT2: 334 return "BT_CONNECT2"; 335 case BT_CONFIG: 336 return "BT_CONFIG"; 337 case BT_DISCONN: 338 return "BT_DISCONN"; 339 case BT_CLOSED: 340 return "BT_CLOSED"; 341 } 342 343 return "invalid state"; 344 } 345 346 /* BD Address */ 347 typedef struct { 348 __u8 b[6]; 349 } __packed bdaddr_t; 350 351 /* BD Address type */ 352 #define BDADDR_BREDR 0x00 353 #define BDADDR_LE_PUBLIC 0x01 354 #define BDADDR_LE_RANDOM 0x02 355 356 static inline bool bdaddr_type_is_valid(u8 type) 357 { 358 switch (type) { 359 case BDADDR_BREDR: 360 case BDADDR_LE_PUBLIC: 361 case BDADDR_LE_RANDOM: 362 return true; 363 } 364 365 return false; 366 } 367 368 static inline bool bdaddr_type_is_le(u8 type) 369 { 370 switch (type) { 371 case BDADDR_LE_PUBLIC: 372 case BDADDR_LE_RANDOM: 373 return true; 374 } 375 376 return false; 377 } 378 379 #define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}}) 380 #define BDADDR_NONE (&(bdaddr_t) {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}}) 381 382 /* Copy, swap, convert BD Address */ 383 static inline int bacmp(const bdaddr_t *ba1, const bdaddr_t *ba2) 384 { 385 return memcmp(ba1, ba2, sizeof(bdaddr_t)); 386 } 387 static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src) 388 { 389 memcpy(dst, src, sizeof(bdaddr_t)); 390 } 391 392 void baswap(bdaddr_t *dst, const bdaddr_t *src); 393 394 /* Common socket structures and functions */ 395 396 #define bt_sk(__sk) ((struct bt_sock *) __sk) 397 398 struct bt_sock { 399 struct sock sk; 400 struct list_head accept_q; 401 struct sock *parent; 402 unsigned long flags; 403 void (*skb_msg_name)(struct sk_buff *, void *, int *); 404 void (*skb_put_cmsg)(struct sk_buff *, struct msghdr *, struct sock *); 405 }; 406 407 enum { 408 BT_SK_DEFER_SETUP, 409 BT_SK_SUSPEND, 410 BT_SK_PKT_STATUS, 411 BT_SK_PKT_SEQNUM, 412 }; 413 414 struct bt_sock_list { 415 struct hlist_head head; 416 rwlock_t lock; 417 #ifdef CONFIG_PROC_FS 418 int (* custom_seq_show)(struct seq_file *, void *); 419 #endif 420 }; 421 422 int bt_sock_register(int proto, const struct net_proto_family *ops); 423 void bt_sock_unregister(int proto); 424 void bt_sock_link(struct bt_sock_list *l, struct sock *s); 425 void bt_sock_unlink(struct bt_sock_list *l, struct sock *s); 426 bool bt_sock_linked(struct bt_sock_list *l, struct sock *s); 427 struct sock *bt_sock_alloc(struct net *net, struct socket *sock, 428 struct proto *prot, int proto, gfp_t prio, int kern); 429 int bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, 430 int flags); 431 int bt_sock_stream_recvmsg(struct socket *sock, struct msghdr *msg, 432 size_t len, int flags); 433 __poll_t bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait); 434 int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); 435 int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo); 436 int bt_sock_wait_ready(struct sock *sk, unsigned int msg_flags); 437 438 void bt_accept_enqueue(struct sock *parent, struct sock *sk, bool bh); 439 void bt_accept_unlink(struct sock *sk); 440 struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock); 441 442 /* Skb helpers */ 443 struct l2cap_ctrl { 444 u8 sframe:1, 445 poll:1, 446 final:1, 447 fcs:1, 448 sar:2, 449 super:2; 450 451 u16 reqseq; 452 u16 txseq; 453 u8 retries; 454 __le16 psm; 455 bdaddr_t bdaddr; 456 struct l2cap_chan *chan; 457 }; 458 459 struct hci_dev; 460 461 typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status, u16 opcode); 462 typedef void (*hci_req_complete_skb_t)(struct hci_dev *hdev, u8 status, 463 u16 opcode, struct sk_buff *skb); 464 465 void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status, 466 hci_req_complete_t *req_complete, 467 hci_req_complete_skb_t *req_complete_skb); 468 469 int hci_ethtool_ts_info(unsigned int index, int sk_proto, 470 struct kernel_ethtool_ts_info *ts_info); 471 472 #define HCI_REQ_START BIT(0) 473 #define HCI_REQ_SKB BIT(1) 474 475 struct hci_ctrl { 476 struct sock *sk; 477 u16 opcode; 478 u8 req_flags; 479 u8 req_event; 480 union { 481 hci_req_complete_t req_complete; 482 hci_req_complete_skb_t req_complete_skb; 483 }; 484 }; 485 486 struct mgmt_ctrl { 487 struct hci_dev *hdev; 488 u16 opcode; 489 }; 490 491 struct bt_skb_cb { 492 u8 pkt_type; 493 u8 force_active; 494 u16 expect; 495 u16 pkt_seqnum; 496 u8 incoming:1; 497 u8 pkt_status:2; 498 union { 499 struct l2cap_ctrl l2cap; 500 struct hci_ctrl hci; 501 struct mgmt_ctrl mgmt; 502 struct scm_creds creds; 503 }; 504 }; 505 #define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb)) 506 507 #define hci_skb_pkt_type(skb) bt_cb((skb))->pkt_type 508 #define hci_skb_pkt_status(skb) bt_cb((skb))->pkt_status 509 #define hci_skb_pkt_seqnum(skb) bt_cb((skb))->pkt_seqnum 510 #define hci_skb_expect(skb) bt_cb((skb))->expect 511 #define hci_skb_opcode(skb) bt_cb((skb))->hci.opcode 512 #define hci_skb_event(skb) bt_cb((skb))->hci.req_event 513 #define hci_skb_sk(skb) bt_cb((skb))->hci.sk 514 515 static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how) 516 { 517 struct sk_buff *skb; 518 519 skb = alloc_skb(len + BT_SKB_RESERVE, how); 520 if (skb) 521 skb_reserve(skb, BT_SKB_RESERVE); 522 return skb; 523 } 524 525 static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk, 526 unsigned long len, int nb, int *err) 527 { 528 struct sk_buff *skb; 529 530 skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err); 531 if (skb) 532 skb_reserve(skb, BT_SKB_RESERVE); 533 534 if (!skb && *err) 535 return NULL; 536 537 *err = sock_error(sk); 538 if (*err) 539 goto out; 540 541 if (sk->sk_shutdown) { 542 *err = -ECONNRESET; 543 goto out; 544 } 545 546 return skb; 547 548 out: 549 kfree_skb(skb); 550 return NULL; 551 } 552 553 /* Shall not be called with lock_sock held */ 554 static inline struct sk_buff *bt_skb_sendmsg(struct sock *sk, 555 struct msghdr *msg, 556 size_t len, size_t mtu, 557 size_t headroom, size_t tailroom) 558 { 559 struct sk_buff *skb; 560 size_t size = min_t(size_t, len, mtu); 561 int err; 562 563 skb = bt_skb_send_alloc(sk, size + headroom + tailroom, 564 msg->msg_flags & MSG_DONTWAIT, &err); 565 if (!skb) 566 return ERR_PTR(err); 567 568 skb_reserve(skb, headroom); 569 skb_tailroom_reserve(skb, mtu, tailroom); 570 571 if (!copy_from_iter_full(skb_put(skb, size), size, &msg->msg_iter)) { 572 kfree_skb(skb); 573 return ERR_PTR(-EFAULT); 574 } 575 576 skb->priority = READ_ONCE(sk->sk_priority); 577 578 return skb; 579 } 580 581 /* Similar to bt_skb_sendmsg but can split the msg into multiple fragments 582 * accourding to the MTU. 583 */ 584 static inline struct sk_buff *bt_skb_sendmmsg(struct sock *sk, 585 struct msghdr *msg, 586 size_t len, size_t mtu, 587 size_t headroom, size_t tailroom) 588 { 589 struct sk_buff *skb, **frag; 590 591 skb = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom); 592 if (IS_ERR(skb)) 593 return skb; 594 595 len -= skb->len; 596 if (!len) 597 return skb; 598 599 /* Add remaining data over MTU as continuation fragments */ 600 frag = &skb_shinfo(skb)->frag_list; 601 while (len) { 602 struct sk_buff *tmp; 603 604 tmp = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom); 605 if (IS_ERR(tmp)) { 606 return skb; 607 } 608 609 len -= tmp->len; 610 611 *frag = tmp; 612 frag = &(*frag)->next; 613 } 614 615 return skb; 616 } 617 618 int bt_to_errno(u16 code); 619 __u8 bt_status(int err); 620 621 void hci_sock_set_flag(struct sock *sk, int nr); 622 void hci_sock_clear_flag(struct sock *sk, int nr); 623 int hci_sock_test_flag(struct sock *sk, int nr); 624 unsigned short hci_sock_get_channel(struct sock *sk); 625 u32 hci_sock_get_cookie(struct sock *sk); 626 627 int hci_sock_init(void); 628 void hci_sock_cleanup(void); 629 630 int bt_sysfs_init(void); 631 void bt_sysfs_cleanup(void); 632 633 int bt_procfs_init(struct net *net, const char *name, 634 struct bt_sock_list *sk_list, 635 int (*seq_show)(struct seq_file *, void *)); 636 void bt_procfs_cleanup(struct net *net, const char *name); 637 638 extern struct dentry *bt_debugfs; 639 640 int l2cap_init(void); 641 void l2cap_exit(void); 642 643 #if IS_ENABLED(CONFIG_BT_BREDR) 644 int sco_init(void); 645 void sco_exit(void); 646 #else 647 static inline int sco_init(void) 648 { 649 return 0; 650 } 651 652 static inline void sco_exit(void) 653 { 654 } 655 #endif 656 657 #if IS_ENABLED(CONFIG_BT_LE) 658 int iso_init(void); 659 int iso_exit(void); 660 bool iso_inited(void); 661 #else 662 static inline int iso_init(void) 663 { 664 return 0; 665 } 666 667 static inline int iso_exit(void) 668 { 669 return 0; 670 } 671 672 static inline bool iso_inited(void) 673 { 674 return false; 675 } 676 #endif 677 678 int mgmt_init(void); 679 void mgmt_exit(void); 680 void mgmt_cleanup(struct sock *sk); 681 682 void bt_sock_reclassify_lock(struct sock *sk, int proto); 683 684 #endif /* __BLUETOOTH_H */ 685