Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | BlueZ - Bluetooth protocol stack for Linux |
| 3 | Copyright (C) 2000-2001 Qualcomm Incorporated |
| 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <net/bluetooth/hci.h> |
| 29 | |
| 30 | /* HCI upper protocols */ |
| 31 | #define HCI_PROTO_L2CAP 0 |
| 32 | #define HCI_PROTO_SCO 1 |
| 33 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | /* HCI Core structures */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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]; |
Marcel Holtmann | 1ebb925 | 2005-11-08 09:57:21 -0800 | [diff] [blame] | 41 | __le16 clock_offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | __s8 rssi; |
| 43 | }; |
| 44 | |
| 45 | struct inquiry_entry { |
| 46 | struct inquiry_entry *next; |
| 47 | __u32 timestamp; |
| 48 | struct inquiry_data data; |
| 49 | }; |
| 50 | |
| 51 | struct inquiry_cache { |
| 52 | spinlock_t lock; |
| 53 | __u32 timestamp; |
| 54 | struct inquiry_entry *list; |
| 55 | }; |
| 56 | |
| 57 | struct hci_conn_hash { |
| 58 | struct list_head list; |
| 59 | spinlock_t lock; |
| 60 | unsigned int acl_num; |
| 61 | unsigned int sco_num; |
| 62 | }; |
| 63 | |
| 64 | struct hci_dev { |
| 65 | struct list_head list; |
| 66 | spinlock_t lock; |
| 67 | atomic_t refcnt; |
| 68 | |
| 69 | char name[8]; |
| 70 | unsigned long flags; |
| 71 | __u16 id; |
| 72 | __u8 type; |
| 73 | bdaddr_t bdaddr; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 74 | __u8 dev_name[248]; |
| 75 | __u8 dev_class[3]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | __u8 features[8]; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 77 | __u8 commands[64]; |
Marcel Holtmann | 1143e5a | 2006-09-23 09:57:20 +0200 | [diff] [blame] | 78 | __u8 hci_ver; |
| 79 | __u16 hci_rev; |
| 80 | __u16 manufacturer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | __u16 voice_setting; |
| 82 | |
| 83 | __u16 pkt_type; |
Marcel Holtmann | 5b7f9909 | 2007-07-11 09:51:55 +0200 | [diff] [blame] | 84 | __u16 esco_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | __u16 link_policy; |
| 86 | __u16 link_mode; |
| 87 | |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 88 | __u32 idle_timeout; |
| 89 | __u16 sniff_min_interval; |
| 90 | __u16 sniff_max_interval; |
| 91 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | unsigned long quirks; |
| 93 | |
| 94 | atomic_t cmd_cnt; |
| 95 | unsigned int acl_cnt; |
| 96 | unsigned int sco_cnt; |
| 97 | |
| 98 | unsigned int acl_mtu; |
| 99 | unsigned int sco_mtu; |
| 100 | unsigned int acl_pkts; |
| 101 | unsigned int sco_pkts; |
| 102 | |
| 103 | unsigned long cmd_last_tx; |
| 104 | unsigned long acl_last_tx; |
| 105 | unsigned long sco_last_tx; |
| 106 | |
| 107 | struct tasklet_struct cmd_task; |
| 108 | struct tasklet_struct rx_task; |
| 109 | struct tasklet_struct tx_task; |
| 110 | |
| 111 | struct sk_buff_head rx_q; |
| 112 | struct sk_buff_head raw_q; |
| 113 | struct sk_buff_head cmd_q; |
| 114 | |
| 115 | struct sk_buff *sent_cmd; |
Marcel Holtmann | ef22201 | 2007-07-11 06:42:04 +0200 | [diff] [blame] | 116 | struct sk_buff *reassembly[3]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | |
| 118 | struct semaphore req_lock; |
| 119 | wait_queue_head_t req_wait_q; |
| 120 | __u32 req_status; |
| 121 | __u32 req_result; |
| 122 | |
| 123 | struct inquiry_cache inq_cache; |
| 124 | struct hci_conn_hash conn_hash; |
| 125 | |
| 126 | struct hci_dev_stats stat; |
| 127 | |
| 128 | struct sk_buff_head driver_init; |
| 129 | |
| 130 | void *driver_data; |
| 131 | void *core_data; |
| 132 | |
| 133 | atomic_t promisc; |
| 134 | |
Marcel Holtmann | a91f2e3 | 2006-07-03 10:02:41 +0200 | [diff] [blame] | 135 | struct device *parent; |
| 136 | struct device dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | |
| 138 | struct module *owner; |
| 139 | |
| 140 | int (*open)(struct hci_dev *hdev); |
| 141 | int (*close)(struct hci_dev *hdev); |
| 142 | int (*flush)(struct hci_dev *hdev); |
| 143 | int (*send)(struct sk_buff *skb); |
| 144 | void (*destruct)(struct hci_dev *hdev); |
| 145 | void (*notify)(struct hci_dev *hdev, unsigned int evt); |
| 146 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); |
| 147 | }; |
| 148 | |
| 149 | struct hci_conn { |
| 150 | struct list_head list; |
| 151 | |
| 152 | atomic_t refcnt; |
| 153 | spinlock_t lock; |
| 154 | |
| 155 | bdaddr_t dst; |
| 156 | __u16 handle; |
| 157 | __u16 state; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 158 | __u8 mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | __u8 type; |
| 160 | __u8 out; |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 161 | __u8 attempt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | __u8 dev_class[3]; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 163 | __u8 features[8]; |
| 164 | __u16 interval; |
| 165 | __u16 link_policy; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | __u32 link_mode; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 167 | __u8 power_save; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | unsigned long pend; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 169 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | unsigned int sent; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 171 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | struct sk_buff_head data_q; |
| 173 | |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 174 | struct timer_list disc_timer; |
| 175 | struct timer_list idle_timer; |
| 176 | |
Marcel Holtmann | b219e3a | 2006-07-06 12:38:46 +0200 | [diff] [blame] | 177 | struct work_struct work; |
| 178 | |
| 179 | struct device dev; |
| 180 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | struct hci_dev *hdev; |
| 182 | void *l2cap_data; |
| 183 | void *sco_data; |
| 184 | void *priv; |
| 185 | |
| 186 | struct hci_conn *link; |
| 187 | }; |
| 188 | |
| 189 | extern struct hci_proto *hci_proto[]; |
| 190 | extern struct list_head hci_dev_list; |
| 191 | extern struct list_head hci_cb_list; |
| 192 | extern rwlock_t hci_dev_list_lock; |
| 193 | extern rwlock_t hci_cb_list_lock; |
| 194 | |
| 195 | /* ----- Inquiry cache ----- */ |
| 196 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) // 30 seconds |
| 197 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) // 60 seconds |
| 198 | |
| 199 | #define inquiry_cache_lock(c) spin_lock(&c->lock) |
| 200 | #define inquiry_cache_unlock(c) spin_unlock(&c->lock) |
| 201 | #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) |
| 202 | #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) |
| 203 | |
| 204 | static inline void inquiry_cache_init(struct hci_dev *hdev) |
| 205 | { |
| 206 | struct inquiry_cache *c = &hdev->inq_cache; |
| 207 | spin_lock_init(&c->lock); |
| 208 | c->list = NULL; |
| 209 | } |
| 210 | |
| 211 | static inline int inquiry_cache_empty(struct hci_dev *hdev) |
| 212 | { |
| 213 | struct inquiry_cache *c = &hdev->inq_cache; |
| 214 | return (c->list == NULL); |
| 215 | } |
| 216 | |
| 217 | static inline long inquiry_cache_age(struct hci_dev *hdev) |
| 218 | { |
| 219 | struct inquiry_cache *c = &hdev->inq_cache; |
| 220 | return jiffies - c->timestamp; |
| 221 | } |
| 222 | |
| 223 | static inline long inquiry_entry_age(struct inquiry_entry *e) |
| 224 | { |
| 225 | return jiffies - e->timestamp; |
| 226 | } |
| 227 | |
| 228 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 229 | void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); |
| 230 | |
| 231 | /* ----- HCI Connections ----- */ |
| 232 | enum { |
| 233 | HCI_CONN_AUTH_PEND, |
| 234 | HCI_CONN_ENCRYPT_PEND, |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 235 | HCI_CONN_RSWITCH_PEND, |
| 236 | HCI_CONN_MODE_CHANGE_PEND, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | }; |
| 238 | |
| 239 | static inline void hci_conn_hash_init(struct hci_dev *hdev) |
| 240 | { |
| 241 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 242 | INIT_LIST_HEAD(&h->list); |
| 243 | spin_lock_init(&h->lock); |
| 244 | h->acl_num = 0; |
| 245 | h->sco_num = 0; |
| 246 | } |
| 247 | |
| 248 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) |
| 249 | { |
| 250 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 251 | list_add(&c->list, &h->list); |
| 252 | if (c->type == ACL_LINK) |
| 253 | h->acl_num++; |
| 254 | else |
| 255 | h->sco_num++; |
| 256 | } |
| 257 | |
| 258 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) |
| 259 | { |
| 260 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 261 | list_del(&c->list); |
| 262 | if (c->type == ACL_LINK) |
| 263 | h->acl_num--; |
| 264 | else |
| 265 | h->sco_num--; |
| 266 | } |
| 267 | |
| 268 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, |
| 269 | __u16 handle) |
| 270 | { |
| 271 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 272 | struct list_head *p; |
| 273 | struct hci_conn *c; |
| 274 | |
| 275 | list_for_each(p, &h->list) { |
| 276 | c = list_entry(p, struct hci_conn, list); |
| 277 | if (c->handle == handle) |
| 278 | return c; |
| 279 | } |
| 280 | return NULL; |
| 281 | } |
| 282 | |
| 283 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, |
| 284 | __u8 type, bdaddr_t *ba) |
| 285 | { |
| 286 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 287 | struct list_head *p; |
| 288 | struct hci_conn *c; |
| 289 | |
| 290 | list_for_each(p, &h->list) { |
| 291 | c = list_entry(p, struct hci_conn, list); |
| 292 | if (c->type == type && !bacmp(&c->dst, ba)) |
| 293 | return c; |
| 294 | } |
| 295 | return NULL; |
| 296 | } |
| 297 | |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 298 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
| 299 | __u8 type, __u16 state) |
| 300 | { |
| 301 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 302 | struct list_head *p; |
| 303 | struct hci_conn *c; |
| 304 | |
| 305 | list_for_each(p, &h->list) { |
| 306 | c = list_entry(p, struct hci_conn, list); |
| 307 | if (c->type == type && c->state == state) |
| 308 | return c; |
| 309 | } |
| 310 | return NULL; |
| 311 | } |
| 312 | |
| 313 | void hci_acl_connect(struct hci_conn *conn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
| 315 | void hci_add_sco(struct hci_conn *conn, __u16 handle); |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame^] | 316 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | |
| 318 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 319 | int hci_conn_del(struct hci_conn *conn); |
| 320 | void hci_conn_hash_flush(struct hci_dev *hdev); |
| 321 | void hci_conn_check_pending(struct hci_dev *hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | |
| 323 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *src); |
| 324 | int hci_conn_auth(struct hci_conn *conn); |
| 325 | int hci_conn_encrypt(struct hci_conn *conn); |
| 326 | int hci_conn_change_link_key(struct hci_conn *conn); |
| 327 | int hci_conn_switch_role(struct hci_conn *conn, uint8_t role); |
| 328 | |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 329 | void hci_conn_enter_active_mode(struct hci_conn *conn); |
| 330 | void hci_conn_enter_sniff_mode(struct hci_conn *conn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | |
| 332 | static inline void hci_conn_hold(struct hci_conn *conn) |
| 333 | { |
| 334 | atomic_inc(&conn->refcnt); |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 335 | del_timer(&conn->disc_timer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | } |
| 337 | |
| 338 | static inline void hci_conn_put(struct hci_conn *conn) |
| 339 | { |
| 340 | if (atomic_dec_and_test(&conn->refcnt)) { |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 341 | unsigned long timeo; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | if (conn->type == ACL_LINK) { |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 343 | del_timer(&conn->idle_timer); |
Marcel Holtmann | 6ac5934 | 2006-09-26 09:43:48 +0200 | [diff] [blame] | 344 | if (conn->state == BT_CONNECTED) { |
| 345 | timeo = msecs_to_jiffies(HCI_DISCONN_TIMEOUT); |
| 346 | if (!conn->out) |
| 347 | timeo *= 2; |
| 348 | } else |
| 349 | timeo = msecs_to_jiffies(10); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | } else |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 351 | timeo = msecs_to_jiffies(10); |
| 352 | mod_timer(&conn->disc_timer, jiffies + timeo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | } |
| 354 | } |
| 355 | |
| 356 | /* ----- HCI tasks ----- */ |
| 357 | static inline void hci_sched_cmd(struct hci_dev *hdev) |
| 358 | { |
| 359 | tasklet_schedule(&hdev->cmd_task); |
| 360 | } |
| 361 | |
| 362 | static inline void hci_sched_rx(struct hci_dev *hdev) |
| 363 | { |
| 364 | tasklet_schedule(&hdev->rx_task); |
| 365 | } |
| 366 | |
| 367 | static inline void hci_sched_tx(struct hci_dev *hdev) |
| 368 | { |
| 369 | tasklet_schedule(&hdev->tx_task); |
| 370 | } |
| 371 | |
| 372 | /* ----- HCI Devices ----- */ |
| 373 | static inline void __hci_dev_put(struct hci_dev *d) |
| 374 | { |
| 375 | if (atomic_dec_and_test(&d->refcnt)) |
| 376 | d->destruct(d); |
| 377 | } |
| 378 | |
| 379 | static inline void hci_dev_put(struct hci_dev *d) |
| 380 | { |
| 381 | __hci_dev_put(d); |
| 382 | module_put(d->owner); |
| 383 | } |
| 384 | |
| 385 | static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) |
| 386 | { |
| 387 | atomic_inc(&d->refcnt); |
| 388 | return d; |
| 389 | } |
| 390 | |
| 391 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) |
| 392 | { |
| 393 | if (try_module_get(d->owner)) |
| 394 | return __hci_dev_hold(d); |
| 395 | return NULL; |
| 396 | } |
| 397 | |
| 398 | #define hci_dev_lock(d) spin_lock(&d->lock) |
| 399 | #define hci_dev_unlock(d) spin_unlock(&d->lock) |
| 400 | #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) |
| 401 | #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) |
| 402 | |
| 403 | struct hci_dev *hci_dev_get(int index); |
| 404 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); |
| 405 | |
| 406 | struct hci_dev *hci_alloc_dev(void); |
| 407 | void hci_free_dev(struct hci_dev *hdev); |
| 408 | int hci_register_dev(struct hci_dev *hdev); |
| 409 | int hci_unregister_dev(struct hci_dev *hdev); |
| 410 | int hci_suspend_dev(struct hci_dev *hdev); |
| 411 | int hci_resume_dev(struct hci_dev *hdev); |
| 412 | int hci_dev_open(__u16 dev); |
| 413 | int hci_dev_close(__u16 dev); |
| 414 | int hci_dev_reset(__u16 dev); |
| 415 | int hci_dev_reset_stat(__u16 dev); |
| 416 | int hci_dev_cmd(unsigned int cmd, void __user *arg); |
| 417 | int hci_get_dev_list(void __user *arg); |
| 418 | int hci_get_dev_info(void __user *arg); |
| 419 | int hci_get_conn_list(void __user *arg); |
| 420 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); |
| 421 | int hci_inquiry(void __user *arg); |
| 422 | |
| 423 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
| 424 | |
| 425 | /* Receive frame from HCI drivers */ |
| 426 | static inline int hci_recv_frame(struct sk_buff *skb) |
| 427 | { |
| 428 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
| 429 | if (!hdev || (!test_bit(HCI_UP, &hdev->flags) |
| 430 | && !test_bit(HCI_INIT, &hdev->flags))) { |
| 431 | kfree_skb(skb); |
| 432 | return -ENXIO; |
| 433 | } |
| 434 | |
| 435 | /* Incomming skb */ |
| 436 | bt_cb(skb)->incoming = 1; |
| 437 | |
| 438 | /* Time stamp */ |
Patrick McHardy | a61bbcf | 2005-08-14 17:24:31 -0700 | [diff] [blame] | 439 | __net_timestamp(skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | |
| 441 | /* Queue frame for rx task */ |
| 442 | skb_queue_tail(&hdev->rx_q, skb); |
| 443 | hci_sched_rx(hdev); |
| 444 | return 0; |
| 445 | } |
| 446 | |
Marcel Holtmann | ef22201 | 2007-07-11 06:42:04 +0200 | [diff] [blame] | 447 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
| 448 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | int hci_register_sysfs(struct hci_dev *hdev); |
| 450 | void hci_unregister_sysfs(struct hci_dev *hdev); |
Marcel Holtmann | b219e3a | 2006-07-06 12:38:46 +0200 | [diff] [blame] | 451 | void hci_conn_add_sysfs(struct hci_conn *conn); |
| 452 | void hci_conn_del_sysfs(struct hci_conn *conn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | |
Marcel Holtmann | a91f2e3 | 2006-07-03 10:02:41 +0200 | [diff] [blame] | 454 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | |
| 456 | /* ----- LMP capabilities ----- */ |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 457 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
| 458 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) |
| 459 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) |
| 460 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) |
Marcel Holtmann | 5b7f9909 | 2007-07-11 09:51:55 +0200 | [diff] [blame] | 461 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | |
| 463 | /* ----- HCI protocols ----- */ |
| 464 | struct hci_proto { |
| 465 | char *name; |
| 466 | unsigned int id; |
| 467 | unsigned long flags; |
| 468 | |
| 469 | void *priv; |
| 470 | |
| 471 | int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type); |
| 472 | int (*connect_cfm) (struct hci_conn *conn, __u8 status); |
| 473 | int (*disconn_ind) (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 (*auth_cfm) (struct hci_conn *conn, __u8 status); |
| 477 | int (*encrypt_cfm) (struct hci_conn *conn, __u8 status); |
| 478 | }; |
| 479 | |
| 480 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) |
| 481 | { |
| 482 | register struct hci_proto *hp; |
| 483 | int mask = 0; |
| 484 | |
| 485 | hp = hci_proto[HCI_PROTO_L2CAP]; |
| 486 | if (hp && hp->connect_ind) |
| 487 | mask |= hp->connect_ind(hdev, bdaddr, type); |
| 488 | |
| 489 | hp = hci_proto[HCI_PROTO_SCO]; |
| 490 | if (hp && hp->connect_ind) |
| 491 | mask |= hp->connect_ind(hdev, bdaddr, type); |
| 492 | |
| 493 | return mask; |
| 494 | } |
| 495 | |
| 496 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) |
| 497 | { |
| 498 | register struct hci_proto *hp; |
| 499 | |
| 500 | hp = hci_proto[HCI_PROTO_L2CAP]; |
| 501 | if (hp && hp->connect_cfm) |
| 502 | hp->connect_cfm(conn, status); |
| 503 | |
| 504 | hp = hci_proto[HCI_PROTO_SCO]; |
| 505 | if (hp && hp->connect_cfm) |
| 506 | hp->connect_cfm(conn, status); |
| 507 | } |
| 508 | |
| 509 | static inline void hci_proto_disconn_ind(struct hci_conn *conn, __u8 reason) |
| 510 | { |
| 511 | register struct hci_proto *hp; |
| 512 | |
| 513 | hp = hci_proto[HCI_PROTO_L2CAP]; |
| 514 | if (hp && hp->disconn_ind) |
| 515 | hp->disconn_ind(conn, reason); |
| 516 | |
| 517 | hp = hci_proto[HCI_PROTO_SCO]; |
| 518 | if (hp && hp->disconn_ind) |
| 519 | hp->disconn_ind(conn, reason); |
| 520 | } |
| 521 | |
| 522 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) |
| 523 | { |
| 524 | register struct hci_proto *hp; |
| 525 | |
| 526 | hp = hci_proto[HCI_PROTO_L2CAP]; |
| 527 | if (hp && hp->auth_cfm) |
| 528 | hp->auth_cfm(conn, status); |
| 529 | |
| 530 | hp = hci_proto[HCI_PROTO_SCO]; |
| 531 | if (hp && hp->auth_cfm) |
| 532 | hp->auth_cfm(conn, status); |
| 533 | } |
| 534 | |
| 535 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status) |
| 536 | { |
| 537 | register struct hci_proto *hp; |
| 538 | |
| 539 | hp = hci_proto[HCI_PROTO_L2CAP]; |
| 540 | if (hp && hp->encrypt_cfm) |
| 541 | hp->encrypt_cfm(conn, status); |
| 542 | |
| 543 | hp = hci_proto[HCI_PROTO_SCO]; |
| 544 | if (hp && hp->encrypt_cfm) |
| 545 | hp->encrypt_cfm(conn, status); |
| 546 | } |
| 547 | |
| 548 | int hci_register_proto(struct hci_proto *hproto); |
| 549 | int hci_unregister_proto(struct hci_proto *hproto); |
| 550 | |
| 551 | /* ----- HCI callbacks ----- */ |
| 552 | struct hci_cb { |
| 553 | struct list_head list; |
| 554 | |
| 555 | char *name; |
| 556 | |
| 557 | void (*auth_cfm) (struct hci_conn *conn, __u8 status); |
| 558 | void (*encrypt_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); |
| 559 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
| 560 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); |
| 561 | }; |
| 562 | |
| 563 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) |
| 564 | { |
| 565 | struct list_head *p; |
| 566 | |
| 567 | hci_proto_auth_cfm(conn, status); |
| 568 | |
| 569 | read_lock_bh(&hci_cb_list_lock); |
| 570 | list_for_each(p, &hci_cb_list) { |
| 571 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); |
| 572 | if (cb->auth_cfm) |
| 573 | cb->auth_cfm(conn, status); |
| 574 | } |
| 575 | read_unlock_bh(&hci_cb_list_lock); |
| 576 | } |
| 577 | |
| 578 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) |
| 579 | { |
| 580 | struct list_head *p; |
| 581 | |
| 582 | hci_proto_encrypt_cfm(conn, status); |
| 583 | |
| 584 | read_lock_bh(&hci_cb_list_lock); |
| 585 | list_for_each(p, &hci_cb_list) { |
| 586 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); |
| 587 | if (cb->encrypt_cfm) |
| 588 | cb->encrypt_cfm(conn, status, encrypt); |
| 589 | } |
| 590 | read_unlock_bh(&hci_cb_list_lock); |
| 591 | } |
| 592 | |
| 593 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) |
| 594 | { |
| 595 | struct list_head *p; |
| 596 | |
| 597 | read_lock_bh(&hci_cb_list_lock); |
| 598 | list_for_each(p, &hci_cb_list) { |
| 599 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); |
| 600 | if (cb->key_change_cfm) |
| 601 | cb->key_change_cfm(conn, status); |
| 602 | } |
| 603 | read_unlock_bh(&hci_cb_list_lock); |
| 604 | } |
| 605 | |
| 606 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) |
| 607 | { |
| 608 | struct list_head *p; |
| 609 | |
| 610 | read_lock_bh(&hci_cb_list_lock); |
| 611 | list_for_each(p, &hci_cb_list) { |
| 612 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); |
| 613 | if (cb->role_switch_cfm) |
| 614 | cb->role_switch_cfm(conn, status, role); |
| 615 | } |
| 616 | read_unlock_bh(&hci_cb_list_lock); |
| 617 | } |
| 618 | |
| 619 | int hci_register_cb(struct hci_cb *hcb); |
| 620 | int hci_unregister_cb(struct hci_cb *hcb); |
| 621 | |
| 622 | int hci_register_notifier(struct notifier_block *nb); |
| 623 | int hci_unregister_notifier(struct notifier_block *nb); |
| 624 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 625 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 626 | int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
| 627 | int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
| 628 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 629 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | |
| 631 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); |
| 632 | |
| 633 | /* ----- HCI Sockets ----- */ |
| 634 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); |
| 635 | |
| 636 | /* HCI info for socket */ |
| 637 | #define hci_pi(sk) ((struct hci_pinfo *) sk) |
| 638 | |
| 639 | struct hci_pinfo { |
| 640 | struct bt_sock bt; |
| 641 | struct hci_dev *hdev; |
| 642 | struct hci_filter filter; |
| 643 | __u32 cmsg_mask; |
| 644 | }; |
| 645 | |
| 646 | /* HCI security filter */ |
| 647 | #define HCI_SFLT_MAX_OGF 5 |
| 648 | |
| 649 | struct hci_sec_filter { |
| 650 | __u32 type_mask; |
| 651 | __u32 event_mask[2]; |
| 652 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; |
| 653 | }; |
| 654 | |
| 655 | /* ----- HCI requests ----- */ |
| 656 | #define HCI_REQ_DONE 0 |
| 657 | #define HCI_REQ_PEND 1 |
| 658 | #define HCI_REQ_CANCELED 2 |
| 659 | |
| 660 | #define hci_req_lock(d) down(&d->req_lock) |
| 661 | #define hci_req_unlock(d) up(&d->req_lock) |
| 662 | |
| 663 | void hci_req_complete(struct hci_dev *hdev, int result); |
| 664 | |
| 665 | #endif /* __HCI_CORE_H */ |