1 /* 2 BlueZ - Bluetooth protocol stack for Linux 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. 4 5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License version 2 as 9 published by the Free Software Foundation; 10 11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 22 SOFTWARE IS DISCLAIMED. 23 */ 24 25 #ifndef __HCI_CORE_H 26 #define __HCI_CORE_H 27 28 #include <net/bluetooth/hci.h> 29 30 /* HCI upper protocols */ 31 #define HCI_PROTO_L2CAP 0 32 #define HCI_PROTO_SCO 1 33 34 /* HCI Core structures */ 35 struct inquiry_data { 36 bdaddr_t bdaddr; 37 __u8 pscan_rep_mode; 38 __u8 pscan_period_mode; 39 __u8 pscan_mode; 40 __u8 dev_class[3]; 41 __le16 clock_offset; 42 __s8 rssi; 43 __u8 ssp_mode; 44 }; 45 46 struct inquiry_entry { 47 struct inquiry_entry *next; 48 __u32 timestamp; 49 struct inquiry_data data; 50 }; 51 52 struct inquiry_cache { 53 spinlock_t lock; 54 __u32 timestamp; 55 struct inquiry_entry *list; 56 }; 57 58 struct hci_conn_hash { 59 struct list_head list; 60 spinlock_t lock; 61 unsigned int acl_num; 62 unsigned int sco_num; 63 }; 64 65 struct bdaddr_list { 66 struct list_head list; 67 bdaddr_t bdaddr; 68 }; 69 #define NUM_REASSEMBLY 4 70 struct hci_dev { 71 struct list_head list; 72 spinlock_t lock; 73 atomic_t refcnt; 74 75 char name[8]; 76 unsigned long flags; 77 __u16 id; 78 __u8 bus; 79 __u8 dev_type; 80 bdaddr_t bdaddr; 81 __u8 dev_name[248]; 82 __u8 dev_class[3]; 83 __u8 features[8]; 84 __u8 commands[64]; 85 __u8 ssp_mode; 86 __u8 hci_ver; 87 __u16 hci_rev; 88 __u16 manufacturer; 89 __u16 voice_setting; 90 91 __u16 pkt_type; 92 __u16 esco_type; 93 __u16 link_policy; 94 __u16 link_mode; 95 96 __u32 idle_timeout; 97 __u16 sniff_min_interval; 98 __u16 sniff_max_interval; 99 100 unsigned long quirks; 101 102 atomic_t cmd_cnt; 103 unsigned int acl_cnt; 104 unsigned int sco_cnt; 105 106 unsigned int acl_mtu; 107 unsigned int sco_mtu; 108 unsigned int acl_pkts; 109 unsigned int sco_pkts; 110 111 unsigned long cmd_last_tx; 112 unsigned long acl_last_tx; 113 unsigned long sco_last_tx; 114 115 struct workqueue_struct *workqueue; 116 117 struct tasklet_struct cmd_task; 118 struct tasklet_struct rx_task; 119 struct tasklet_struct tx_task; 120 121 struct sk_buff_head rx_q; 122 struct sk_buff_head raw_q; 123 struct sk_buff_head cmd_q; 124 125 struct sk_buff *sent_cmd; 126 struct sk_buff *reassembly[NUM_REASSEMBLY]; 127 128 struct mutex req_lock; 129 wait_queue_head_t req_wait_q; 130 __u32 req_status; 131 __u32 req_result; 132 __u16 req_last_cmd; 133 134 struct inquiry_cache inq_cache; 135 struct hci_conn_hash conn_hash; 136 struct list_head blacklist; 137 138 struct hci_dev_stats stat; 139 140 struct sk_buff_head driver_init; 141 142 void *driver_data; 143 void *core_data; 144 145 atomic_t promisc; 146 147 struct dentry *debugfs; 148 149 struct device *parent; 150 struct device dev; 151 152 struct rfkill *rfkill; 153 154 struct module *owner; 155 156 int (*open)(struct hci_dev *hdev); 157 int (*close)(struct hci_dev *hdev); 158 int (*flush)(struct hci_dev *hdev); 159 int (*send)(struct sk_buff *skb); 160 void (*destruct)(struct hci_dev *hdev); 161 void (*notify)(struct hci_dev *hdev, unsigned int evt); 162 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); 163 }; 164 165 struct hci_conn { 166 struct list_head list; 167 168 atomic_t refcnt; 169 spinlock_t lock; 170 171 bdaddr_t dst; 172 __u16 handle; 173 __u16 state; 174 __u8 mode; 175 __u8 type; 176 __u8 out; 177 __u8 attempt; 178 __u8 dev_class[3]; 179 __u8 features[8]; 180 __u8 ssp_mode; 181 __u16 interval; 182 __u16 pkt_type; 183 __u16 link_policy; 184 __u32 link_mode; 185 __u8 auth_type; 186 __u8 sec_level; 187 __u8 pending_sec_level; 188 __u8 power_save; 189 __u16 disc_timeout; 190 unsigned long pend; 191 192 unsigned int sent; 193 194 struct sk_buff_head data_q; 195 196 struct timer_list disc_timer; 197 struct timer_list idle_timer; 198 199 struct work_struct work_add; 200 struct work_struct work_del; 201 202 struct device dev; 203 atomic_t devref; 204 205 struct hci_dev *hdev; 206 void *l2cap_data; 207 void *sco_data; 208 void *priv; 209 210 struct hci_conn *link; 211 }; 212 213 extern struct hci_proto *hci_proto[]; 214 extern struct list_head hci_dev_list; 215 extern struct list_head hci_cb_list; 216 extern rwlock_t hci_dev_list_lock; 217 extern rwlock_t hci_cb_list_lock; 218 219 /* ----- Inquiry cache ----- */ 220 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 221 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 222 223 #define inquiry_cache_lock(c) spin_lock(&c->lock) 224 #define inquiry_cache_unlock(c) spin_unlock(&c->lock) 225 #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) 226 #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) 227 228 static inline void inquiry_cache_init(struct hci_dev *hdev) 229 { 230 struct inquiry_cache *c = &hdev->inq_cache; 231 spin_lock_init(&c->lock); 232 c->list = NULL; 233 } 234 235 static inline int inquiry_cache_empty(struct hci_dev *hdev) 236 { 237 struct inquiry_cache *c = &hdev->inq_cache; 238 return c->list == NULL; 239 } 240 241 static inline long inquiry_cache_age(struct hci_dev *hdev) 242 { 243 struct inquiry_cache *c = &hdev->inq_cache; 244 return jiffies - c->timestamp; 245 } 246 247 static inline long inquiry_entry_age(struct inquiry_entry *e) 248 { 249 return jiffies - e->timestamp; 250 } 251 252 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 253 void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); 254 255 /* ----- HCI Connections ----- */ 256 enum { 257 HCI_CONN_AUTH_PEND, 258 HCI_CONN_ENCRYPT_PEND, 259 HCI_CONN_RSWITCH_PEND, 260 HCI_CONN_MODE_CHANGE_PEND, 261 HCI_CONN_SCO_SETUP_PEND, 262 }; 263 264 static inline void hci_conn_hash_init(struct hci_dev *hdev) 265 { 266 struct hci_conn_hash *h = &hdev->conn_hash; 267 INIT_LIST_HEAD(&h->list); 268 spin_lock_init(&h->lock); 269 h->acl_num = 0; 270 h->sco_num = 0; 271 } 272 273 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 274 { 275 struct hci_conn_hash *h = &hdev->conn_hash; 276 list_add(&c->list, &h->list); 277 if (c->type == ACL_LINK) 278 h->acl_num++; 279 else 280 h->sco_num++; 281 } 282 283 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 284 { 285 struct hci_conn_hash *h = &hdev->conn_hash; 286 list_del(&c->list); 287 if (c->type == ACL_LINK) 288 h->acl_num--; 289 else 290 h->sco_num--; 291 } 292 293 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 294 __u16 handle) 295 { 296 struct hci_conn_hash *h = &hdev->conn_hash; 297 struct list_head *p; 298 struct hci_conn *c; 299 300 list_for_each(p, &h->list) { 301 c = list_entry(p, struct hci_conn, list); 302 if (c->handle == handle) 303 return c; 304 } 305 return NULL; 306 } 307 308 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 309 __u8 type, bdaddr_t *ba) 310 { 311 struct hci_conn_hash *h = &hdev->conn_hash; 312 struct list_head *p; 313 struct hci_conn *c; 314 315 list_for_each(p, &h->list) { 316 c = list_entry(p, struct hci_conn, list); 317 if (c->type == type && !bacmp(&c->dst, ba)) 318 return c; 319 } 320 return NULL; 321 } 322 323 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 324 __u8 type, __u16 state) 325 { 326 struct hci_conn_hash *h = &hdev->conn_hash; 327 struct list_head *p; 328 struct hci_conn *c; 329 330 list_for_each(p, &h->list) { 331 c = list_entry(p, struct hci_conn, list); 332 if (c->type == type && c->state == state) 333 return c; 334 } 335 return NULL; 336 } 337 338 void hci_acl_connect(struct hci_conn *conn); 339 void hci_acl_disconn(struct hci_conn *conn, __u8 reason); 340 void hci_add_sco(struct hci_conn *conn, __u16 handle); 341 void hci_setup_sync(struct hci_conn *conn, __u16 handle); 342 void hci_sco_setup(struct hci_conn *conn, __u8 status); 343 344 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); 345 int hci_conn_del(struct hci_conn *conn); 346 void hci_conn_hash_flush(struct hci_dev *hdev); 347 void hci_conn_check_pending(struct hci_dev *hdev); 348 349 struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type); 350 int hci_conn_check_link_mode(struct hci_conn *conn); 351 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); 352 int hci_conn_change_link_key(struct hci_conn *conn); 353 int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 354 355 void hci_conn_enter_active_mode(struct hci_conn *conn); 356 void hci_conn_enter_sniff_mode(struct hci_conn *conn); 357 358 void hci_conn_hold_device(struct hci_conn *conn); 359 void hci_conn_put_device(struct hci_conn *conn); 360 361 static inline void hci_conn_hold(struct hci_conn *conn) 362 { 363 atomic_inc(&conn->refcnt); 364 del_timer(&conn->disc_timer); 365 } 366 367 static inline void hci_conn_put(struct hci_conn *conn) 368 { 369 if (atomic_dec_and_test(&conn->refcnt)) { 370 unsigned long timeo; 371 if (conn->type == ACL_LINK) { 372 del_timer(&conn->idle_timer); 373 if (conn->state == BT_CONNECTED) { 374 timeo = msecs_to_jiffies(conn->disc_timeout); 375 if (!conn->out) 376 timeo *= 2; 377 } else 378 timeo = msecs_to_jiffies(10); 379 } else 380 timeo = msecs_to_jiffies(10); 381 mod_timer(&conn->disc_timer, jiffies + timeo); 382 } 383 } 384 385 /* ----- HCI Devices ----- */ 386 static inline void __hci_dev_put(struct hci_dev *d) 387 { 388 if (atomic_dec_and_test(&d->refcnt)) 389 d->destruct(d); 390 } 391 392 static inline void hci_dev_put(struct hci_dev *d) 393 { 394 __hci_dev_put(d); 395 module_put(d->owner); 396 } 397 398 static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) 399 { 400 atomic_inc(&d->refcnt); 401 return d; 402 } 403 404 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 405 { 406 if (try_module_get(d->owner)) 407 return __hci_dev_hold(d); 408 return NULL; 409 } 410 411 #define hci_dev_lock(d) spin_lock(&d->lock) 412 #define hci_dev_unlock(d) spin_unlock(&d->lock) 413 #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) 414 #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) 415 416 struct hci_dev *hci_dev_get(int index); 417 struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); 418 419 struct hci_dev *hci_alloc_dev(void); 420 void hci_free_dev(struct hci_dev *hdev); 421 int hci_register_dev(struct hci_dev *hdev); 422 int hci_unregister_dev(struct hci_dev *hdev); 423 int hci_suspend_dev(struct hci_dev *hdev); 424 int hci_resume_dev(struct hci_dev *hdev); 425 int hci_dev_open(__u16 dev); 426 int hci_dev_close(__u16 dev); 427 int hci_dev_reset(__u16 dev); 428 int hci_dev_reset_stat(__u16 dev); 429 int hci_dev_cmd(unsigned int cmd, void __user *arg); 430 int hci_get_dev_list(void __user *arg); 431 int hci_get_dev_info(void __user *arg); 432 int hci_get_conn_list(void __user *arg); 433 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 434 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 435 int hci_inquiry(void __user *arg); 436 437 struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); 438 int hci_blacklist_clear(struct hci_dev *hdev); 439 440 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 441 442 int hci_recv_frame(struct sk_buff *skb); 443 int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); 444 int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); 445 446 int hci_register_sysfs(struct hci_dev *hdev); 447 void hci_unregister_sysfs(struct hci_dev *hdev); 448 void hci_conn_init_sysfs(struct hci_conn *conn); 449 void hci_conn_add_sysfs(struct hci_conn *conn); 450 void hci_conn_del_sysfs(struct hci_conn *conn); 451 452 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) 453 454 /* ----- LMP capabilities ----- */ 455 #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) 456 #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) 457 #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) 458 #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) 459 #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) 460 #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) 461 462 /* ----- HCI protocols ----- */ 463 struct hci_proto { 464 char *name; 465 unsigned int id; 466 unsigned long flags; 467 468 void *priv; 469 470 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type); 471 int (*connect_cfm) (struct hci_conn *conn, __u8 status); 472 int (*disconn_ind) (struct hci_conn *conn); 473 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); 474 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags); 475 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); 476 int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); 477 }; 478 479 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) 480 { 481 register struct hci_proto *hp; 482 int mask = 0; 483 484 hp = hci_proto[HCI_PROTO_L2CAP]; 485 if (hp && hp->connect_ind) 486 mask |= hp->connect_ind(hdev, bdaddr, type); 487 488 hp = hci_proto[HCI_PROTO_SCO]; 489 if (hp && hp->connect_ind) 490 mask |= hp->connect_ind(hdev, bdaddr, type); 491 492 return mask; 493 } 494 495 static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) 496 { 497 register struct hci_proto *hp; 498 499 hp = hci_proto[HCI_PROTO_L2CAP]; 500 if (hp && hp->connect_cfm) 501 hp->connect_cfm(conn, status); 502 503 hp = hci_proto[HCI_PROTO_SCO]; 504 if (hp && hp->connect_cfm) 505 hp->connect_cfm(conn, status); 506 } 507 508 static inline int hci_proto_disconn_ind(struct hci_conn *conn) 509 { 510 register struct hci_proto *hp; 511 int reason = 0x13; 512 513 hp = hci_proto[HCI_PROTO_L2CAP]; 514 if (hp && hp->disconn_ind) 515 reason = hp->disconn_ind(conn); 516 517 hp = hci_proto[HCI_PROTO_SCO]; 518 if (hp && hp->disconn_ind) 519 reason = hp->disconn_ind(conn); 520 521 return reason; 522 } 523 524 static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) 525 { 526 register struct hci_proto *hp; 527 528 hp = hci_proto[HCI_PROTO_L2CAP]; 529 if (hp && hp->disconn_cfm) 530 hp->disconn_cfm(conn, reason); 531 532 hp = hci_proto[HCI_PROTO_SCO]; 533 if (hp && hp->disconn_cfm) 534 hp->disconn_cfm(conn, reason); 535 } 536 537 static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) 538 { 539 register struct hci_proto *hp; 540 __u8 encrypt; 541 542 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 543 return; 544 545 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 546 547 hp = hci_proto[HCI_PROTO_L2CAP]; 548 if (hp && hp->security_cfm) 549 hp->security_cfm(conn, status, encrypt); 550 551 hp = hci_proto[HCI_PROTO_SCO]; 552 if (hp && hp->security_cfm) 553 hp->security_cfm(conn, status, encrypt); 554 } 555 556 static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) 557 { 558 register struct hci_proto *hp; 559 560 hp = hci_proto[HCI_PROTO_L2CAP]; 561 if (hp && hp->security_cfm) 562 hp->security_cfm(conn, status, encrypt); 563 564 hp = hci_proto[HCI_PROTO_SCO]; 565 if (hp && hp->security_cfm) 566 hp->security_cfm(conn, status, encrypt); 567 } 568 569 int hci_register_proto(struct hci_proto *hproto); 570 int hci_unregister_proto(struct hci_proto *hproto); 571 572 /* ----- HCI callbacks ----- */ 573 struct hci_cb { 574 struct list_head list; 575 576 char *name; 577 578 void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); 579 void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 580 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 581 }; 582 583 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 584 { 585 struct list_head *p; 586 __u8 encrypt; 587 588 hci_proto_auth_cfm(conn, status); 589 590 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) 591 return; 592 593 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; 594 595 read_lock_bh(&hci_cb_list_lock); 596 list_for_each(p, &hci_cb_list) { 597 struct hci_cb *cb = list_entry(p, struct hci_cb, list); 598 if (cb->security_cfm) 599 cb->security_cfm(conn, status, encrypt); 600 } 601 read_unlock_bh(&hci_cb_list_lock); 602 } 603 604 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) 605 { 606 struct list_head *p; 607 608 if (conn->sec_level == BT_SECURITY_SDP) 609 conn->sec_level = BT_SECURITY_LOW; 610 611 hci_proto_encrypt_cfm(conn, status, encrypt); 612 613 read_lock_bh(&hci_cb_list_lock); 614 list_for_each(p, &hci_cb_list) { 615 struct hci_cb *cb = list_entry(p, struct hci_cb, list); 616 if (cb->security_cfm) 617 cb->security_cfm(conn, status, encrypt); 618 } 619 read_unlock_bh(&hci_cb_list_lock); 620 } 621 622 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 623 { 624 struct list_head *p; 625 626 read_lock_bh(&hci_cb_list_lock); 627 list_for_each(p, &hci_cb_list) { 628 struct hci_cb *cb = list_entry(p, struct hci_cb, list); 629 if (cb->key_change_cfm) 630 cb->key_change_cfm(conn, status); 631 } 632 read_unlock_bh(&hci_cb_list_lock); 633 } 634 635 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) 636 { 637 struct list_head *p; 638 639 read_lock_bh(&hci_cb_list_lock); 640 list_for_each(p, &hci_cb_list) { 641 struct hci_cb *cb = list_entry(p, struct hci_cb, list); 642 if (cb->role_switch_cfm) 643 cb->role_switch_cfm(conn, status, role); 644 } 645 read_unlock_bh(&hci_cb_list_lock); 646 } 647 648 int hci_register_cb(struct hci_cb *hcb); 649 int hci_unregister_cb(struct hci_cb *hcb); 650 651 int hci_register_notifier(struct notifier_block *nb); 652 int hci_unregister_notifier(struct notifier_block *nb); 653 654 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); 655 void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); 656 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 657 658 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 659 660 void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); 661 662 /* ----- HCI Sockets ----- */ 663 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 664 665 /* Management interface */ 666 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); 667 int mgmt_index_added(u16 index); 668 int mgmt_index_removed(u16 index); 669 670 /* HCI info for socket */ 671 #define hci_pi(sk) ((struct hci_pinfo *) sk) 672 673 struct hci_pinfo { 674 struct bt_sock bt; 675 struct hci_dev *hdev; 676 struct hci_filter filter; 677 __u32 cmsg_mask; 678 unsigned short channel; 679 }; 680 681 /* HCI security filter */ 682 #define HCI_SFLT_MAX_OGF 5 683 684 struct hci_sec_filter { 685 __u32 type_mask; 686 __u32 event_mask[2]; 687 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; 688 }; 689 690 /* ----- HCI requests ----- */ 691 #define HCI_REQ_DONE 0 692 #define HCI_REQ_PEND 1 693 #define HCI_REQ_CANCELED 2 694 695 #define hci_req_lock(d) mutex_lock(&d->req_lock) 696 #define hci_req_unlock(d) mutex_unlock(&d->req_lock) 697 698 void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); 699 700 #endif /* __HCI_CORE_H */ 701