Ron Shaffer | 04fafe4 | 2010-05-28 11:53:45 -0400 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | BlueZ - Bluetooth protocol stack for Linux |
Ron Shaffer | 2d0a034 | 2010-05-28 11:53:46 -0400 | [diff] [blame] | 3 | Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
Ron Shaffer | 04fafe4 | 2010-05-28 11:53:45 -0400 | [diff] [blame] | 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 19 | |
Ron Shaffer | 04fafe4 | 2010-05-28 11:53:45 -0400 | [diff] [blame] | 20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
| 21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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; |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 43 | __u8 ssp_mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | }; |
| 45 | |
| 46 | struct inquiry_entry { |
Andrei Emeltchenko | 70f23020 | 2010-12-01 16:58:25 +0200 | [diff] [blame] | 47 | struct inquiry_entry *next; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | __u32 timestamp; |
| 49 | struct inquiry_data data; |
| 50 | }; |
| 51 | |
| 52 | struct inquiry_cache { |
Andrei Emeltchenko | 70f23020 | 2010-12-01 16:58:25 +0200 | [diff] [blame] | 53 | spinlock_t lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | __u32 timestamp; |
Andrei Emeltchenko | 70f23020 | 2010-12-01 16:58:25 +0200 | [diff] [blame] | 55 | struct inquiry_entry *list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 63 | unsigned int le_num; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | }; |
| 65 | |
Johan Hedberg | f035856 | 2010-05-18 13:20:32 +0200 | [diff] [blame] | 66 | struct bdaddr_list { |
| 67 | struct list_head list; |
| 68 | bdaddr_t bdaddr; |
| 69 | }; |
Johan Hedberg | 2aeb9a1 | 2011-01-04 12:08:51 +0200 | [diff] [blame] | 70 | |
| 71 | struct bt_uuid { |
| 72 | struct list_head list; |
| 73 | u8 uuid[16]; |
Johan Hedberg | 1aff6f0 | 2011-01-13 21:56:52 +0200 | [diff] [blame] | 74 | u8 svc_hint; |
Johan Hedberg | 2aeb9a1 | 2011-01-04 12:08:51 +0200 | [diff] [blame] | 75 | }; |
| 76 | |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 77 | struct link_key { |
| 78 | struct list_head list; |
| 79 | bdaddr_t bdaddr; |
| 80 | u8 type; |
| 81 | u8 val[16]; |
| 82 | u8 pin_len; |
| 83 | }; |
| 84 | |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 85 | struct oob_data { |
| 86 | struct list_head list; |
| 87 | bdaddr_t bdaddr; |
| 88 | u8 hash[16]; |
| 89 | u8 randomizer[16]; |
| 90 | }; |
| 91 | |
Suraj Sumangala | cd4c539 | 2010-07-14 13:02:16 +0530 | [diff] [blame] | 92 | #define NUM_REASSEMBLY 4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | struct hci_dev { |
| 94 | struct list_head list; |
| 95 | spinlock_t lock; |
| 96 | atomic_t refcnt; |
| 97 | |
| 98 | char name[8]; |
| 99 | unsigned long flags; |
| 100 | __u16 id; |
Marcel Holtmann | c13854c | 2010-02-08 15:27:07 +0100 | [diff] [blame] | 101 | __u8 bus; |
Marcel Holtmann | 943da25 | 2010-02-13 02:28:41 +0100 | [diff] [blame] | 102 | __u8 dev_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | bdaddr_t bdaddr; |
Johan Hedberg | 1f6c637 | 2011-03-16 14:29:35 +0200 | [diff] [blame] | 104 | __u8 dev_name[HCI_MAX_NAME_LENGTH]; |
Johan Hedberg | 80a1e1d | 2011-03-28 14:07:23 +0300 | [diff] [blame] | 105 | __u8 eir[HCI_MAX_EIR_LENGTH]; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 106 | __u8 dev_class[3]; |
Johan Hedberg | 1aff6f0 | 2011-01-13 21:56:52 +0200 | [diff] [blame] | 107 | __u8 major_class; |
| 108 | __u8 minor_class; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | __u8 features[8]; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 110 | __u8 commands[64]; |
Marcel Holtmann | 333140b | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 111 | __u8 ssp_mode; |
Marcel Holtmann | 1143e5a | 2006-09-23 09:57:20 +0200 | [diff] [blame] | 112 | __u8 hci_ver; |
| 113 | __u16 hci_rev; |
Johan Hedberg | d5859e2 | 2011-01-25 01:19:58 +0200 | [diff] [blame] | 114 | __u8 lmp_ver; |
Marcel Holtmann | 1143e5a | 2006-09-23 09:57:20 +0200 | [diff] [blame] | 115 | __u16 manufacturer; |
Johan Hedberg | d5859e2 | 2011-01-25 01:19:58 +0200 | [diff] [blame] | 116 | __le16 lmp_subver; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | __u16 voice_setting; |
Johan Hedberg | 17fa4b9 | 2011-01-25 13:28:33 +0200 | [diff] [blame] | 118 | __u8 io_capability; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | |
| 120 | __u16 pkt_type; |
Marcel Holtmann | 5b7f990 | 2007-07-11 09:51:55 +0200 | [diff] [blame] | 121 | __u16 esco_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | __u16 link_policy; |
| 123 | __u16 link_mode; |
| 124 | |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 125 | __u32 idle_timeout; |
| 126 | __u16 sniff_min_interval; |
| 127 | __u16 sniff_max_interval; |
| 128 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | unsigned long quirks; |
| 130 | |
| 131 | atomic_t cmd_cnt; |
| 132 | unsigned int acl_cnt; |
| 133 | unsigned int sco_cnt; |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 134 | unsigned int le_cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | |
| 136 | unsigned int acl_mtu; |
| 137 | unsigned int sco_mtu; |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 138 | unsigned int le_mtu; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | unsigned int acl_pkts; |
| 140 | unsigned int sco_pkts; |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 141 | unsigned int le_pkts; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | unsigned long acl_last_tx; |
| 144 | unsigned long sco_last_tx; |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 145 | unsigned long le_last_tx; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | |
Marcel Holtmann | f48fd9c | 2010-03-20 15:20:04 +0100 | [diff] [blame] | 147 | struct workqueue_struct *workqueue; |
| 148 | |
Johan Hedberg | ab81cbf | 2010-12-15 13:53:18 +0200 | [diff] [blame] | 149 | struct work_struct power_on; |
| 150 | struct work_struct power_off; |
| 151 | struct timer_list off_timer; |
| 152 | |
Ville Tervo | 6bd3232 | 2011-02-16 16:32:41 +0200 | [diff] [blame] | 153 | struct timer_list cmd_timer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | struct tasklet_struct cmd_task; |
| 155 | struct tasklet_struct rx_task; |
| 156 | struct tasklet_struct tx_task; |
| 157 | |
| 158 | struct sk_buff_head rx_q; |
| 159 | struct sk_buff_head raw_q; |
| 160 | struct sk_buff_head cmd_q; |
| 161 | |
| 162 | struct sk_buff *sent_cmd; |
Suraj Sumangala | cd4c539 | 2010-07-14 13:02:16 +0530 | [diff] [blame] | 163 | struct sk_buff *reassembly[NUM_REASSEMBLY]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | |
Thomas Gleixner | a6a67ef | 2009-07-26 08:18:19 +0000 | [diff] [blame] | 165 | struct mutex req_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | wait_queue_head_t req_wait_q; |
| 167 | __u32 req_status; |
| 168 | __u32 req_result; |
Johan Hedberg | a5040ef | 2011-01-10 13:28:59 +0200 | [diff] [blame] | 169 | |
| 170 | __u16 init_last_cmd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | |
| 172 | struct inquiry_cache inq_cache; |
| 173 | struct hci_conn_hash conn_hash; |
David Miller | ea4bd8b | 2010-07-30 21:54:49 -0700 | [diff] [blame] | 174 | struct list_head blacklist; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | |
Johan Hedberg | 2aeb9a1 | 2011-01-04 12:08:51 +0200 | [diff] [blame] | 176 | struct list_head uuids; |
| 177 | |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 178 | struct list_head link_keys; |
| 179 | |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 180 | struct list_head remote_oob_data; |
| 181 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | struct hci_dev_stats stat; |
| 183 | |
| 184 | struct sk_buff_head driver_init; |
| 185 | |
| 186 | void *driver_data; |
| 187 | void *core_data; |
| 188 | |
Andrei Emeltchenko | 70f23020 | 2010-12-01 16:58:25 +0200 | [diff] [blame] | 189 | atomic_t promisc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | |
Marcel Holtmann | ca325f6 | 2010-02-08 16:22:31 +0100 | [diff] [blame] | 191 | struct dentry *debugfs; |
| 192 | |
Marcel Holtmann | a91f2e3 | 2006-07-03 10:02:41 +0200 | [diff] [blame] | 193 | struct device *parent; |
| 194 | struct device dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | |
Marcel Holtmann | 611b30f | 2009-06-08 14:41:38 +0200 | [diff] [blame] | 196 | struct rfkill *rfkill; |
| 197 | |
Andrei Emeltchenko | 70f23020 | 2010-12-01 16:58:25 +0200 | [diff] [blame] | 198 | struct module *owner; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | |
| 200 | int (*open)(struct hci_dev *hdev); |
| 201 | int (*close)(struct hci_dev *hdev); |
| 202 | int (*flush)(struct hci_dev *hdev); |
| 203 | int (*send)(struct sk_buff *skb); |
| 204 | void (*destruct)(struct hci_dev *hdev); |
| 205 | void (*notify)(struct hci_dev *hdev, unsigned int evt); |
| 206 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); |
| 207 | }; |
| 208 | |
| 209 | struct hci_conn { |
| 210 | struct list_head list; |
| 211 | |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 212 | atomic_t refcnt; |
| 213 | spinlock_t lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 215 | bdaddr_t dst; |
| 216 | __u16 handle; |
| 217 | __u16 state; |
| 218 | __u8 mode; |
| 219 | __u8 type; |
| 220 | __u8 out; |
| 221 | __u8 attempt; |
| 222 | __u8 dev_class[3]; |
| 223 | __u8 features[8]; |
| 224 | __u8 ssp_mode; |
| 225 | __u16 interval; |
| 226 | __u16 pkt_type; |
| 227 | __u16 link_policy; |
| 228 | __u32 link_mode; |
Waldemar Rymarkiewicz | 13d3931 | 2011-04-28 12:07:55 +0200 | [diff] [blame] | 229 | __u8 key_type; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 230 | __u8 auth_type; |
| 231 | __u8 sec_level; |
| 232 | __u8 pending_sec_level; |
| 233 | __u8 pin_length; |
| 234 | __u8 io_capability; |
| 235 | __u8 power_save; |
| 236 | __u16 disc_timeout; |
| 237 | unsigned long pend; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 238 | |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 239 | __u8 remote_cap; |
| 240 | __u8 remote_oob; |
| 241 | __u8 remote_auth; |
| 242 | |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 243 | unsigned int sent; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 244 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | struct sk_buff_head data_q; |
| 246 | |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 247 | struct timer_list disc_timer; |
| 248 | struct timer_list idle_timer; |
| 249 | |
Roger Quadros | f3784d8 | 2009-04-23 14:50:54 +0300 | [diff] [blame] | 250 | struct work_struct work_add; |
| 251 | struct work_struct work_del; |
Marcel Holtmann | b219e3a | 2006-07-06 12:38:46 +0200 | [diff] [blame] | 252 | |
| 253 | struct device dev; |
Marcel Holtmann | 9eba32b | 2009-08-22 14:19:26 -0700 | [diff] [blame] | 254 | atomic_t devref; |
Marcel Holtmann | b219e3a | 2006-07-06 12:38:46 +0200 | [diff] [blame] | 255 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | struct hci_dev *hdev; |
| 257 | void *l2cap_data; |
| 258 | void *sco_data; |
| 259 | void *priv; |
| 260 | |
| 261 | struct hci_conn *link; |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 262 | |
| 263 | void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); |
| 264 | void (*security_cfm_cb) (struct hci_conn *conn, u8 status); |
| 265 | void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | }; |
| 267 | |
| 268 | extern struct hci_proto *hci_proto[]; |
| 269 | extern struct list_head hci_dev_list; |
| 270 | extern struct list_head hci_cb_list; |
| 271 | extern rwlock_t hci_dev_list_lock; |
| 272 | extern rwlock_t hci_cb_list_lock; |
| 273 | |
| 274 | /* ----- Inquiry cache ----- */ |
Andrei Emeltchenko | 70f23020 | 2010-12-01 16:58:25 +0200 | [diff] [blame] | 275 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
| 276 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | |
| 278 | #define inquiry_cache_lock(c) spin_lock(&c->lock) |
| 279 | #define inquiry_cache_unlock(c) spin_unlock(&c->lock) |
| 280 | #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) |
| 281 | #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) |
| 282 | |
| 283 | static inline void inquiry_cache_init(struct hci_dev *hdev) |
| 284 | { |
| 285 | struct inquiry_cache *c = &hdev->inq_cache; |
| 286 | spin_lock_init(&c->lock); |
| 287 | c->list = NULL; |
| 288 | } |
| 289 | |
| 290 | static inline int inquiry_cache_empty(struct hci_dev *hdev) |
| 291 | { |
| 292 | struct inquiry_cache *c = &hdev->inq_cache; |
Eric Dumazet | a02cec2 | 2010-09-22 20:43:57 +0000 | [diff] [blame] | 293 | return c->list == NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | static inline long inquiry_cache_age(struct hci_dev *hdev) |
| 297 | { |
| 298 | struct inquiry_cache *c = &hdev->inq_cache; |
| 299 | return jiffies - c->timestamp; |
| 300 | } |
| 301 | |
| 302 | static inline long inquiry_entry_age(struct inquiry_entry *e) |
| 303 | { |
| 304 | return jiffies - e->timestamp; |
| 305 | } |
| 306 | |
| 307 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 308 | void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); |
| 309 | |
| 310 | /* ----- HCI Connections ----- */ |
| 311 | enum { |
| 312 | HCI_CONN_AUTH_PEND, |
| 313 | HCI_CONN_ENCRYPT_PEND, |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 314 | HCI_CONN_RSWITCH_PEND, |
| 315 | HCI_CONN_MODE_CHANGE_PEND, |
Marcel Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 316 | HCI_CONN_SCO_SETUP_PEND, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | }; |
| 318 | |
| 319 | static inline void hci_conn_hash_init(struct hci_dev *hdev) |
| 320 | { |
| 321 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 322 | INIT_LIST_HEAD(&h->list); |
| 323 | spin_lock_init(&h->lock); |
| 324 | h->acl_num = 0; |
| 325 | h->sco_num = 0; |
| 326 | } |
| 327 | |
| 328 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) |
| 329 | { |
| 330 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 331 | list_add(&c->list, &h->list); |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 332 | switch (c->type) { |
| 333 | case ACL_LINK: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | h->acl_num++; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 335 | break; |
| 336 | case LE_LINK: |
| 337 | h->le_num++; |
| 338 | break; |
| 339 | case SCO_LINK: |
| 340 | case ESCO_LINK: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | h->sco_num++; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 342 | break; |
| 343 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | } |
| 345 | |
| 346 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) |
| 347 | { |
| 348 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 349 | list_del(&c->list); |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 350 | switch (c->type) { |
| 351 | case ACL_LINK: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | h->acl_num--; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 353 | break; |
| 354 | case LE_LINK: |
| 355 | h->le_num--; |
| 356 | break; |
| 357 | case SCO_LINK: |
| 358 | case ESCO_LINK: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | h->sco_num--; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 360 | break; |
| 361 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | } |
| 363 | |
| 364 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 365 | __u16 handle) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | { |
| 367 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 368 | struct list_head *p; |
| 369 | struct hci_conn *c; |
| 370 | |
| 371 | list_for_each(p, &h->list) { |
| 372 | c = list_entry(p, struct hci_conn, list); |
| 373 | if (c->handle == handle) |
| 374 | return c; |
| 375 | } |
| 376 | return NULL; |
| 377 | } |
| 378 | |
| 379 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 380 | __u8 type, bdaddr_t *ba) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 381 | { |
| 382 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 383 | struct list_head *p; |
| 384 | struct hci_conn *c; |
| 385 | |
| 386 | list_for_each(p, &h->list) { |
| 387 | c = list_entry(p, struct hci_conn, list); |
| 388 | if (c->type == type && !bacmp(&c->dst, ba)) |
| 389 | return c; |
| 390 | } |
| 391 | return NULL; |
| 392 | } |
| 393 | |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 394 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 395 | __u8 type, __u16 state) |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 396 | { |
| 397 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 398 | struct list_head *p; |
| 399 | struct hci_conn *c; |
| 400 | |
| 401 | list_for_each(p, &h->list) { |
| 402 | c = list_entry(p, struct hci_conn, list); |
| 403 | if (c->type == type && c->state == state) |
| 404 | return c; |
| 405 | } |
| 406 | return NULL; |
| 407 | } |
| 408 | |
| 409 | void hci_acl_connect(struct hci_conn *conn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
| 411 | void hci_add_sco(struct hci_conn *conn, __u16 handle); |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 412 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
Marcel Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 413 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | |
| 415 | 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] | 416 | int hci_conn_del(struct hci_conn *conn); |
| 417 | void hci_conn_hash_flush(struct hci_dev *hdev); |
| 418 | void hci_conn_check_pending(struct hci_dev *hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 420 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type); |
Marcel Holtmann | e7c29cb | 2008-09-09 07:19:20 +0200 | [diff] [blame] | 421 | int hci_conn_check_link_mode(struct hci_conn *conn); |
Marcel Holtmann | 0684e5f | 2009-02-09 02:48:38 +0100 | [diff] [blame] | 422 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | int hci_conn_change_link_key(struct hci_conn *conn); |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 424 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 426 | void hci_conn_enter_active_mode(struct hci_conn *conn); |
| 427 | void hci_conn_enter_sniff_mode(struct hci_conn *conn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | |
Marcel Holtmann | 9eba32b | 2009-08-22 14:19:26 -0700 | [diff] [blame] | 429 | void hci_conn_hold_device(struct hci_conn *conn); |
| 430 | void hci_conn_put_device(struct hci_conn *conn); |
| 431 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | static inline void hci_conn_hold(struct hci_conn *conn) |
| 433 | { |
| 434 | atomic_inc(&conn->refcnt); |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 435 | del_timer(&conn->disc_timer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | } |
| 437 | |
| 438 | static inline void hci_conn_put(struct hci_conn *conn) |
| 439 | { |
| 440 | if (atomic_dec_and_test(&conn->refcnt)) { |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 441 | unsigned long timeo; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | if (conn->type == ACL_LINK) { |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 443 | del_timer(&conn->idle_timer); |
Marcel Holtmann | 6ac5934 | 2006-09-26 09:43:48 +0200 | [diff] [blame] | 444 | if (conn->state == BT_CONNECTED) { |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 445 | timeo = msecs_to_jiffies(conn->disc_timeout); |
Marcel Holtmann | 6ac5934 | 2006-09-26 09:43:48 +0200 | [diff] [blame] | 446 | if (!conn->out) |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 447 | timeo *= 2; |
Marcel Holtmann | 6ac5934 | 2006-09-26 09:43:48 +0200 | [diff] [blame] | 448 | } else |
| 449 | timeo = msecs_to_jiffies(10); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 450 | } else |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 451 | timeo = msecs_to_jiffies(10); |
| 452 | mod_timer(&conn->disc_timer, jiffies + timeo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | } |
| 454 | } |
| 455 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | /* ----- HCI Devices ----- */ |
| 457 | static inline void __hci_dev_put(struct hci_dev *d) |
| 458 | { |
| 459 | if (atomic_dec_and_test(&d->refcnt)) |
| 460 | d->destruct(d); |
| 461 | } |
| 462 | |
| 463 | static inline void hci_dev_put(struct hci_dev *d) |
Ron Shaffer | 04fafe4 | 2010-05-28 11:53:45 -0400 | [diff] [blame] | 464 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | __hci_dev_put(d); |
| 466 | module_put(d->owner); |
| 467 | } |
| 468 | |
| 469 | static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) |
| 470 | { |
| 471 | atomic_inc(&d->refcnt); |
| 472 | return d; |
| 473 | } |
| 474 | |
| 475 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) |
| 476 | { |
| 477 | if (try_module_get(d->owner)) |
| 478 | return __hci_dev_hold(d); |
| 479 | return NULL; |
| 480 | } |
| 481 | |
| 482 | #define hci_dev_lock(d) spin_lock(&d->lock) |
| 483 | #define hci_dev_unlock(d) spin_unlock(&d->lock) |
| 484 | #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) |
| 485 | #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) |
| 486 | |
| 487 | struct hci_dev *hci_dev_get(int index); |
| 488 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); |
| 489 | |
| 490 | struct hci_dev *hci_alloc_dev(void); |
| 491 | void hci_free_dev(struct hci_dev *hdev); |
| 492 | int hci_register_dev(struct hci_dev *hdev); |
| 493 | int hci_unregister_dev(struct hci_dev *hdev); |
| 494 | int hci_suspend_dev(struct hci_dev *hdev); |
| 495 | int hci_resume_dev(struct hci_dev *hdev); |
| 496 | int hci_dev_open(__u16 dev); |
| 497 | int hci_dev_close(__u16 dev); |
| 498 | int hci_dev_reset(__u16 dev); |
| 499 | int hci_dev_reset_stat(__u16 dev); |
| 500 | int hci_dev_cmd(unsigned int cmd, void __user *arg); |
| 501 | int hci_get_dev_list(void __user *arg); |
| 502 | int hci_get_dev_info(void __user *arg); |
| 503 | int hci_get_conn_list(void __user *arg); |
| 504 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); |
Marcel Holtmann | 40be492 | 2008-07-14 20:13:50 +0200 | [diff] [blame] | 505 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 506 | int hci_inquiry(void __user *arg); |
| 507 | |
Johan Hedberg | f035856 | 2010-05-18 13:20:32 +0200 | [diff] [blame] | 508 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 509 | int hci_blacklist_clear(struct hci_dev *hdev); |
| 510 | |
Johan Hedberg | 2aeb9a1 | 2011-01-04 12:08:51 +0200 | [diff] [blame] | 511 | int hci_uuids_clear(struct hci_dev *hdev); |
| 512 | |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 513 | int hci_link_keys_clear(struct hci_dev *hdev); |
| 514 | struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 515 | int hci_add_link_key(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr, |
| 516 | u8 *key, u8 type, u8 pin_len); |
| 517 | int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 518 | |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 519 | int hci_remote_oob_data_clear(struct hci_dev *hdev); |
| 520 | struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, |
| 521 | bdaddr_t *bdaddr); |
| 522 | int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, |
| 523 | u8 *randomizer); |
| 524 | int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 525 | |
Johan Hedberg | ab81cbf | 2010-12-15 13:53:18 +0200 | [diff] [blame] | 526 | void hci_del_off_timer(struct hci_dev *hdev); |
| 527 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
| 529 | |
Marcel Holtmann | 76bca88 | 2009-11-18 00:40:39 +0100 | [diff] [blame] | 530 | int hci_recv_frame(struct sk_buff *skb); |
Marcel Holtmann | ef22201 | 2007-07-11 06:42:04 +0200 | [diff] [blame] | 531 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
Suraj Sumangala | 9981151 | 2010-07-14 13:02:19 +0530 | [diff] [blame] | 532 | int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); |
Marcel Holtmann | ef22201 | 2007-07-11 06:42:04 +0200 | [diff] [blame] | 533 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | int hci_register_sysfs(struct hci_dev *hdev); |
| 535 | void hci_unregister_sysfs(struct hci_dev *hdev); |
Marcel Holtmann | a67e899 | 2009-05-02 18:24:06 -0700 | [diff] [blame] | 536 | void hci_conn_init_sysfs(struct hci_conn *conn); |
Marcel Holtmann | b219e3a | 2006-07-06 12:38:46 +0200 | [diff] [blame] | 537 | void hci_conn_add_sysfs(struct hci_conn *conn); |
| 538 | void hci_conn_del_sysfs(struct hci_conn *conn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | |
Marcel Holtmann | a91f2e3 | 2006-07-03 10:02:41 +0200 | [diff] [blame] | 540 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 541 | |
| 542 | /* ----- LMP capabilities ----- */ |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 543 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
| 544 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) |
| 545 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) |
| 546 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) |
Marcel Holtmann | 5b7f990 | 2007-07-11 09:51:55 +0200 | [diff] [blame] | 547 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 548 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
Andrei Emeltchenko | e702112 | 2011-01-03 11:14:36 +0200 | [diff] [blame] | 549 | #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 550 | #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | |
| 552 | /* ----- HCI protocols ----- */ |
| 553 | struct hci_proto { |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 554 | char *name; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 555 | unsigned int id; |
| 556 | unsigned long flags; |
| 557 | |
| 558 | void *priv; |
| 559 | |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 560 | int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 561 | int (*connect_cfm) (struct hci_conn *conn, __u8 status); |
Marcel Holtmann | 2950f21 | 2009-02-12 14:02:50 +0100 | [diff] [blame] | 562 | int (*disconn_ind) (struct hci_conn *conn); |
| 563 | int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
| 565 | int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 566 | int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 567 | }; |
| 568 | |
| 569 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) |
| 570 | { |
| 571 | register struct hci_proto *hp; |
| 572 | int mask = 0; |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 573 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 574 | hp = hci_proto[HCI_PROTO_L2CAP]; |
| 575 | if (hp && hp->connect_ind) |
| 576 | mask |= hp->connect_ind(hdev, bdaddr, type); |
| 577 | |
| 578 | hp = hci_proto[HCI_PROTO_SCO]; |
| 579 | if (hp && hp->connect_ind) |
| 580 | mask |= hp->connect_ind(hdev, bdaddr, type); |
| 581 | |
| 582 | return mask; |
| 583 | } |
| 584 | |
| 585 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) |
| 586 | { |
| 587 | register struct hci_proto *hp; |
| 588 | |
| 589 | hp = hci_proto[HCI_PROTO_L2CAP]; |
| 590 | if (hp && hp->connect_cfm) |
| 591 | hp->connect_cfm(conn, status); |
| 592 | |
| 593 | hp = hci_proto[HCI_PROTO_SCO]; |
| 594 | if (hp && hp->connect_cfm) |
| 595 | hp->connect_cfm(conn, status); |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 596 | |
| 597 | if (conn->connect_cfm_cb) |
| 598 | conn->connect_cfm_cb(conn, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | } |
| 600 | |
Marcel Holtmann | 2950f21 | 2009-02-12 14:02:50 +0100 | [diff] [blame] | 601 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
| 602 | { |
| 603 | register struct hci_proto *hp; |
| 604 | int reason = 0x13; |
| 605 | |
| 606 | hp = hci_proto[HCI_PROTO_L2CAP]; |
| 607 | if (hp && hp->disconn_ind) |
| 608 | reason = hp->disconn_ind(conn); |
| 609 | |
| 610 | hp = hci_proto[HCI_PROTO_SCO]; |
| 611 | if (hp && hp->disconn_ind) |
| 612 | reason = hp->disconn_ind(conn); |
| 613 | |
| 614 | return reason; |
| 615 | } |
| 616 | |
| 617 | static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | { |
| 619 | register struct hci_proto *hp; |
| 620 | |
| 621 | hp = hci_proto[HCI_PROTO_L2CAP]; |
Marcel Holtmann | 2950f21 | 2009-02-12 14:02:50 +0100 | [diff] [blame] | 622 | if (hp && hp->disconn_cfm) |
| 623 | hp->disconn_cfm(conn, reason); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 624 | |
| 625 | hp = hci_proto[HCI_PROTO_SCO]; |
Marcel Holtmann | 2950f21 | 2009-02-12 14:02:50 +0100 | [diff] [blame] | 626 | if (hp && hp->disconn_cfm) |
| 627 | hp->disconn_cfm(conn, reason); |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 628 | |
| 629 | if (conn->disconn_cfm_cb) |
| 630 | conn->disconn_cfm_cb(conn, reason); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | } |
| 632 | |
| 633 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) |
| 634 | { |
| 635 | register struct hci_proto *hp; |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 636 | __u8 encrypt; |
| 637 | |
| 638 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) |
| 639 | return; |
| 640 | |
| 641 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 642 | |
| 643 | hp = hci_proto[HCI_PROTO_L2CAP]; |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 644 | if (hp && hp->security_cfm) |
| 645 | hp->security_cfm(conn, status, encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 646 | |
| 647 | hp = hci_proto[HCI_PROTO_SCO]; |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 648 | if (hp && hp->security_cfm) |
| 649 | hp->security_cfm(conn, status, encrypt); |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 650 | |
| 651 | if (conn->security_cfm_cb) |
| 652 | conn->security_cfm_cb(conn, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 653 | } |
| 654 | |
Marcel Holtmann | 9719f8a | 2008-07-14 20:13:45 +0200 | [diff] [blame] | 655 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | { |
| 657 | register struct hci_proto *hp; |
| 658 | |
| 659 | hp = hci_proto[HCI_PROTO_L2CAP]; |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 660 | if (hp && hp->security_cfm) |
| 661 | hp->security_cfm(conn, status, encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | |
| 663 | hp = hci_proto[HCI_PROTO_SCO]; |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 664 | if (hp && hp->security_cfm) |
| 665 | hp->security_cfm(conn, status, encrypt); |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 666 | |
| 667 | if (conn->security_cfm_cb) |
| 668 | conn->security_cfm_cb(conn, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 669 | } |
| 670 | |
| 671 | int hci_register_proto(struct hci_proto *hproto); |
| 672 | int hci_unregister_proto(struct hci_proto *hproto); |
| 673 | |
| 674 | /* ----- HCI callbacks ----- */ |
| 675 | struct hci_cb { |
| 676 | struct list_head list; |
| 677 | |
| 678 | char *name; |
| 679 | |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 680 | void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
| 682 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); |
| 683 | }; |
| 684 | |
| 685 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) |
| 686 | { |
| 687 | struct list_head *p; |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 688 | __u8 encrypt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | |
| 690 | hci_proto_auth_cfm(conn, status); |
| 691 | |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 692 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) |
| 693 | return; |
| 694 | |
| 695 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; |
| 696 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | read_lock_bh(&hci_cb_list_lock); |
| 698 | list_for_each(p, &hci_cb_list) { |
| 699 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 700 | if (cb->security_cfm) |
| 701 | cb->security_cfm(conn, status, encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 702 | } |
| 703 | read_unlock_bh(&hci_cb_list_lock); |
| 704 | } |
| 705 | |
| 706 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) |
| 707 | { |
| 708 | struct list_head *p; |
| 709 | |
Marcel Holtmann | 435fef2 | 2009-02-09 03:55:28 +0100 | [diff] [blame] | 710 | if (conn->sec_level == BT_SECURITY_SDP) |
| 711 | conn->sec_level = BT_SECURITY_LOW; |
| 712 | |
Marcel Holtmann | 9719f8a | 2008-07-14 20:13:45 +0200 | [diff] [blame] | 713 | hci_proto_encrypt_cfm(conn, status, encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | |
| 715 | read_lock_bh(&hci_cb_list_lock); |
| 716 | list_for_each(p, &hci_cb_list) { |
| 717 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 718 | if (cb->security_cfm) |
| 719 | cb->security_cfm(conn, status, encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 720 | } |
| 721 | read_unlock_bh(&hci_cb_list_lock); |
| 722 | } |
| 723 | |
| 724 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) |
| 725 | { |
| 726 | struct list_head *p; |
| 727 | |
| 728 | read_lock_bh(&hci_cb_list_lock); |
| 729 | list_for_each(p, &hci_cb_list) { |
| 730 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); |
| 731 | if (cb->key_change_cfm) |
| 732 | cb->key_change_cfm(conn, status); |
| 733 | } |
| 734 | read_unlock_bh(&hci_cb_list_lock); |
| 735 | } |
| 736 | |
| 737 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) |
| 738 | { |
| 739 | struct list_head *p; |
| 740 | |
| 741 | read_lock_bh(&hci_cb_list_lock); |
| 742 | list_for_each(p, &hci_cb_list) { |
| 743 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); |
| 744 | if (cb->role_switch_cfm) |
| 745 | cb->role_switch_cfm(conn, status, role); |
| 746 | } |
| 747 | read_unlock_bh(&hci_cb_list_lock); |
| 748 | } |
| 749 | |
| 750 | int hci_register_cb(struct hci_cb *hcb); |
| 751 | int hci_unregister_cb(struct hci_cb *hcb); |
| 752 | |
| 753 | int hci_register_notifier(struct notifier_block *nb); |
| 754 | int hci_unregister_notifier(struct notifier_block *nb); |
| 755 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 756 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
Gustavo F. Padovan | 9a9c6a3 | 2010-05-01 16:15:43 -0300 | [diff] [blame] | 757 | void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
Gustavo F. Padovan | 0d861d8 | 2010-05-01 16:15:35 -0300 | [diff] [blame] | 758 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 760 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 761 | |
| 762 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); |
| 763 | |
| 764 | /* ----- HCI Sockets ----- */ |
Johan Hedberg | eec8d2b | 2010-12-16 10:17:38 +0200 | [diff] [blame] | 765 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, |
| 766 | struct sock *skip_sk); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | |
Johan Hedberg | 0381101 | 2010-12-08 00:21:06 +0200 | [diff] [blame] | 768 | /* Management interface */ |
| 769 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); |
Johan Hedberg | c71e97b | 2010-12-13 21:07:07 +0200 | [diff] [blame] | 770 | int mgmt_index_added(u16 index); |
| 771 | int mgmt_index_removed(u16 index); |
Johan Hedberg | 5add6af | 2010-12-16 10:00:37 +0200 | [diff] [blame] | 772 | int mgmt_powered(u16 index, u8 powered); |
Johan Hedberg | 73f22f6 | 2010-12-29 16:00:25 +0200 | [diff] [blame] | 773 | int mgmt_discoverable(u16 index, u8 discoverable); |
Johan Hedberg | 9fbcbb4 | 2010-12-30 00:18:33 +0200 | [diff] [blame] | 774 | int mgmt_connectable(u16 index, u8 connectable); |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 775 | int mgmt_new_key(u16 index, struct link_key *key, u8 old_key_type); |
Johan Hedberg | f752054 | 2011-01-20 12:34:39 +0200 | [diff] [blame] | 776 | int mgmt_connected(u16 index, bdaddr_t *bdaddr); |
| 777 | int mgmt_disconnected(u16 index, bdaddr_t *bdaddr); |
Johan Hedberg | 8962ee7 | 2011-01-20 12:40:27 +0200 | [diff] [blame] | 778 | int mgmt_disconnect_failed(u16 index); |
Johan Hedberg | 17d5c04 | 2011-01-22 06:09:08 +0200 | [diff] [blame] | 779 | int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status); |
Waldemar Rymarkiewicz | a770bb5 | 2011-04-28 12:07:59 +0200 | [diff] [blame^] | 780 | int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure); |
Johan Hedberg | 980e1a5 | 2011-01-22 06:10:07 +0200 | [diff] [blame] | 781 | int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); |
| 782 | int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); |
Johan Hedberg | a5c2968 | 2011-02-19 12:05:57 -0300 | [diff] [blame] | 783 | int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value); |
| 784 | int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); |
| 785 | int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, |
| 786 | u8 status); |
Johan Hedberg | 2a61169 | 2011-02-19 12:06:00 -0300 | [diff] [blame] | 787 | int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status); |
Johan Hedberg | b312b161 | 2011-03-16 14:29:37 +0200 | [diff] [blame] | 788 | int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status); |
Szymon Janc | c35938b | 2011-03-22 13:12:21 +0100 | [diff] [blame] | 789 | int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer, |
| 790 | u8 status); |
Johan Hedberg | e17acd4 | 2011-03-30 23:57:16 +0300 | [diff] [blame] | 791 | int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi, |
| 792 | u8 *eir); |
Johan Hedberg | a88a965 | 2011-03-30 13:18:12 +0300 | [diff] [blame] | 793 | int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name); |
Johan Hedberg | 314b238 | 2011-04-27 10:29:57 -0400 | [diff] [blame] | 794 | int mgmt_discovering(u16 index, u8 discovering); |
Johan Hedberg | 0381101 | 2010-12-08 00:21:06 +0200 | [diff] [blame] | 795 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 796 | /* HCI info for socket */ |
| 797 | #define hci_pi(sk) ((struct hci_pinfo *) sk) |
| 798 | |
| 799 | struct hci_pinfo { |
| 800 | struct bt_sock bt; |
| 801 | struct hci_dev *hdev; |
| 802 | struct hci_filter filter; |
| 803 | __u32 cmsg_mask; |
Johan Hedberg | c02178d | 2010-12-08 00:21:05 +0200 | [diff] [blame] | 804 | unsigned short channel; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 805 | }; |
| 806 | |
| 807 | /* HCI security filter */ |
| 808 | #define HCI_SFLT_MAX_OGF 5 |
| 809 | |
| 810 | struct hci_sec_filter { |
| 811 | __u32 type_mask; |
| 812 | __u32 event_mask[2]; |
| 813 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; |
| 814 | }; |
| 815 | |
| 816 | /* ----- HCI requests ----- */ |
| 817 | #define HCI_REQ_DONE 0 |
| 818 | #define HCI_REQ_PEND 1 |
| 819 | #define HCI_REQ_CANCELED 2 |
| 820 | |
Thomas Gleixner | a6a67ef | 2009-07-26 08:18:19 +0000 | [diff] [blame] | 821 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
| 822 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 823 | |
Johan Hedberg | 23bb576 | 2010-12-21 23:01:27 +0200 | [diff] [blame] | 824 | void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 825 | |
Claudio Takahasi | 2ce603e | 2011-02-16 20:44:53 -0200 | [diff] [blame] | 826 | void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, |
| 827 | u16 latency, u16 to_multiplier); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | #endif /* __HCI_CORE_H */ |