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 | |
Alexey Dobriyan | a6b7a40 | 2011-06-06 10:43:46 +0000 | [diff] [blame] | 28 | #include <linux/interrupt.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | #include <net/bluetooth/hci.h> |
| 30 | |
Luiz Augusto von Dentz | 5e59b79 | 2011-11-01 10:58:57 +0200 | [diff] [blame] | 31 | /* HCI priority */ |
| 32 | #define HCI_PRIO_MAX 7 |
| 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 { |
Johan Hedberg | 561aafb | 2012-01-04 13:31:59 +0200 | [diff] [blame] | 47 | struct list_head all; /* inq_cache.all */ |
| 48 | struct list_head list; /* unknown or resolve */ |
| 49 | enum { |
| 50 | NAME_NOT_KNOWN, |
| 51 | NAME_NEEDED, |
| 52 | NAME_PENDING, |
| 53 | NAME_KNOWN, |
| 54 | } name_state; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | __u32 timestamp; |
| 56 | struct inquiry_data data; |
| 57 | }; |
| 58 | |
Johan Hedberg | 3088351 | 2012-01-04 14:16:21 +0200 | [diff] [blame] | 59 | struct discovery_state { |
Johan Hedberg | ff9ef57 | 2012-01-04 14:23:45 +0200 | [diff] [blame] | 60 | enum { |
| 61 | DISCOVERY_STOPPED, |
| 62 | DISCOVERY_STARTING, |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 63 | DISCOVERY_INQUIRY, |
Andre Guedes | c599008 | 2012-02-03 17:47:57 -0300 | [diff] [blame] | 64 | DISCOVERY_LE_SCAN, |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 65 | DISCOVERY_RESOLVING, |
Johan Hedberg | ff9ef57 | 2012-01-04 14:23:45 +0200 | [diff] [blame] | 66 | DISCOVERY_STOPPING, |
| 67 | } state; |
Johan Hedberg | 561aafb | 2012-01-04 13:31:59 +0200 | [diff] [blame] | 68 | struct list_head all; /* All devices found during inquiry */ |
| 69 | struct list_head unknown; /* Name state not known */ |
| 70 | struct list_head resolve; /* Name needs to be resolved */ |
| 71 | __u32 timestamp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | }; |
| 73 | |
| 74 | struct hci_conn_hash { |
| 75 | struct list_head list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | unsigned int acl_num; |
| 77 | unsigned int sco_num; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 78 | unsigned int le_num; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | }; |
| 80 | |
Johan Hedberg | f035856 | 2010-05-18 13:20:32 +0200 | [diff] [blame] | 81 | struct bdaddr_list { |
| 82 | struct list_head list; |
| 83 | bdaddr_t bdaddr; |
| 84 | }; |
Johan Hedberg | 2aeb9a1 | 2011-01-04 12:08:51 +0200 | [diff] [blame] | 85 | |
| 86 | struct bt_uuid { |
| 87 | struct list_head list; |
| 88 | u8 uuid[16]; |
Johan Hedberg | 1aff6f0 | 2011-01-13 21:56:52 +0200 | [diff] [blame] | 89 | u8 svc_hint; |
Johan Hedberg | 2aeb9a1 | 2011-01-04 12:08:51 +0200 | [diff] [blame] | 90 | }; |
| 91 | |
Vinicius Costa Gomes | b899efa | 2012-02-02 21:08:00 -0300 | [diff] [blame] | 92 | struct smp_ltk { |
| 93 | struct list_head list; |
| 94 | bdaddr_t bdaddr; |
| 95 | u8 bdaddr_type; |
| 96 | u8 authenticated; |
| 97 | u8 type; |
| 98 | u8 enc_size; |
| 99 | __le16 ediv; |
| 100 | u8 rand[8]; |
| 101 | u8 val[16]; |
| 102 | } __packed; |
| 103 | |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 104 | struct link_key { |
| 105 | struct list_head list; |
| 106 | bdaddr_t bdaddr; |
| 107 | u8 type; |
| 108 | u8 val[16]; |
| 109 | u8 pin_len; |
| 110 | }; |
| 111 | |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 112 | struct oob_data { |
| 113 | struct list_head list; |
| 114 | bdaddr_t bdaddr; |
| 115 | u8 hash[16]; |
| 116 | u8 randomizer[16]; |
| 117 | }; |
| 118 | |
Andre Guedes | 76c8686 | 2011-05-26 16:23:50 -0300 | [diff] [blame] | 119 | struct adv_entry { |
| 120 | struct list_head list; |
| 121 | bdaddr_t bdaddr; |
| 122 | u8 bdaddr_type; |
| 123 | }; |
| 124 | |
Andre Guedes | 7ba8b4b | 2012-02-03 17:47:59 -0300 | [diff] [blame] | 125 | struct le_scan_params { |
| 126 | u8 type; |
| 127 | u16 interval; |
| 128 | u16 window; |
Andre Guedes | 28b75a8 | 2012-02-03 17:48:00 -0300 | [diff] [blame] | 129 | int timeout; |
Andre Guedes | 7ba8b4b | 2012-02-03 17:47:59 -0300 | [diff] [blame] | 130 | }; |
| 131 | |
Suraj Sumangala | cd4c539 | 2010-07-14 13:02:16 +0530 | [diff] [blame] | 132 | #define NUM_REASSEMBLY 4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | struct hci_dev { |
| 134 | struct list_head list; |
Gustavo F. Padovan | 09fd0de | 2011-06-17 13:03:21 -0300 | [diff] [blame] | 135 | struct mutex lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | |
| 137 | char name[8]; |
| 138 | unsigned long flags; |
| 139 | __u16 id; |
Marcel Holtmann | c13854c | 2010-02-08 15:27:07 +0100 | [diff] [blame] | 140 | __u8 bus; |
Marcel Holtmann | 943da25 | 2010-02-13 02:28:41 +0100 | [diff] [blame] | 141 | __u8 dev_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | bdaddr_t bdaddr; |
Johan Hedberg | 1f6c637 | 2011-03-16 14:29:35 +0200 | [diff] [blame] | 143 | __u8 dev_name[HCI_MAX_NAME_LENGTH]; |
Johan Hedberg | 80a1e1d | 2011-03-28 14:07:23 +0300 | [diff] [blame] | 144 | __u8 eir[HCI_MAX_EIR_LENGTH]; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 145 | __u8 dev_class[3]; |
Johan Hedberg | 1aff6f0 | 2011-01-13 21:56:52 +0200 | [diff] [blame] | 146 | __u8 major_class; |
| 147 | __u8 minor_class; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | __u8 features[8]; |
Andre Guedes | 59e2940 | 2011-12-30 10:34:03 -0300 | [diff] [blame] | 149 | __u8 host_features[8]; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 150 | __u8 commands[64]; |
Marcel Holtmann | 1143e5a | 2006-09-23 09:57:20 +0200 | [diff] [blame] | 151 | __u8 hci_ver; |
| 152 | __u16 hci_rev; |
Johan Hedberg | d5859e2 | 2011-01-25 01:19:58 +0200 | [diff] [blame] | 153 | __u8 lmp_ver; |
Marcel Holtmann | 1143e5a | 2006-09-23 09:57:20 +0200 | [diff] [blame] | 154 | __u16 manufacturer; |
Johan Hedberg | d5859e2 | 2011-01-25 01:19:58 +0200 | [diff] [blame] | 155 | __le16 lmp_subver; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | __u16 voice_setting; |
Johan Hedberg | 17fa4b9 | 2011-01-25 13:28:33 +0200 | [diff] [blame] | 157 | __u8 io_capability; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | |
| 159 | __u16 pkt_type; |
Marcel Holtmann | 5b7f990 | 2007-07-11 09:51:55 +0200 | [diff] [blame] | 160 | __u16 esco_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | __u16 link_policy; |
| 162 | __u16 link_mode; |
| 163 | |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 164 | __u32 idle_timeout; |
| 165 | __u16 sniff_min_interval; |
| 166 | __u16 sniff_max_interval; |
| 167 | |
Andrei Emeltchenko | 928abaa | 2011-10-12 10:53:57 +0300 | [diff] [blame] | 168 | __u8 amp_status; |
| 169 | __u32 amp_total_bw; |
| 170 | __u32 amp_max_bw; |
| 171 | __u32 amp_min_latency; |
| 172 | __u32 amp_max_pdu; |
| 173 | __u8 amp_type; |
| 174 | __u16 amp_pal_cap; |
| 175 | __u16 amp_assoc_size; |
| 176 | __u32 amp_max_flush_to; |
| 177 | __u32 amp_be_flush_to; |
| 178 | |
Andrei Emeltchenko | 1e89cff | 2011-11-24 14:52:02 +0200 | [diff] [blame] | 179 | __u8 flow_ctl_mode; |
| 180 | |
Johan Hedberg | 9f61656 | 2011-04-28 11:28:54 -0700 | [diff] [blame] | 181 | unsigned int auto_accept_delay; |
| 182 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | unsigned long quirks; |
| 184 | |
| 185 | atomic_t cmd_cnt; |
| 186 | unsigned int acl_cnt; |
| 187 | unsigned int sco_cnt; |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 188 | unsigned int le_cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | |
| 190 | unsigned int acl_mtu; |
| 191 | unsigned int sco_mtu; |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 192 | unsigned int le_mtu; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | unsigned int acl_pkts; |
| 194 | unsigned int sco_pkts; |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 195 | unsigned int le_pkts; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | |
Andrei Emeltchenko | 350ee4c | 2011-12-07 15:56:51 +0200 | [diff] [blame] | 197 | __u16 block_len; |
| 198 | __u16 block_mtu; |
| 199 | __u16 num_blocks; |
| 200 | __u16 block_cnt; |
| 201 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | unsigned long acl_last_tx; |
| 203 | unsigned long sco_last_tx; |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 204 | unsigned long le_last_tx; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | |
Marcel Holtmann | f48fd9c | 2010-03-20 15:20:04 +0100 | [diff] [blame] | 206 | struct workqueue_struct *workqueue; |
| 207 | |
Johan Hedberg | ab81cbf | 2010-12-15 13:53:18 +0200 | [diff] [blame] | 208 | struct work_struct power_on; |
Johan Hedberg | 3243553 | 2011-11-07 22:16:04 +0200 | [diff] [blame] | 209 | struct delayed_work power_off; |
Johan Hedberg | ab81cbf | 2010-12-15 13:53:18 +0200 | [diff] [blame] | 210 | |
Johan Hedberg | 16ab91a | 2011-11-07 22:16:02 +0200 | [diff] [blame] | 211 | __u16 discov_timeout; |
| 212 | struct delayed_work discov_off; |
| 213 | |
Johan Hedberg | 7d78525 | 2011-12-15 00:47:39 +0200 | [diff] [blame] | 214 | struct delayed_work service_cache; |
| 215 | |
Ville Tervo | 6bd3232 | 2011-02-16 16:32:41 +0200 | [diff] [blame] | 216 | struct timer_list cmd_timer; |
Marcel Holtmann | b78752c | 2010-08-08 23:06:53 -0400 | [diff] [blame] | 217 | |
| 218 | struct work_struct rx_work; |
Gustavo F. Padovan | c347b76 | 2011-12-14 23:53:47 -0200 | [diff] [blame] | 219 | struct work_struct cmd_work; |
Gustavo F. Padovan | 3eff45e | 2011-12-15 00:50:02 -0200 | [diff] [blame] | 220 | struct work_struct tx_work; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 221 | |
| 222 | struct sk_buff_head rx_q; |
| 223 | struct sk_buff_head raw_q; |
| 224 | struct sk_buff_head cmd_q; |
| 225 | |
| 226 | struct sk_buff *sent_cmd; |
Suraj Sumangala | cd4c539 | 2010-07-14 13:02:16 +0530 | [diff] [blame] | 227 | struct sk_buff *reassembly[NUM_REASSEMBLY]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | |
Thomas Gleixner | a6a67ef | 2009-07-26 08:18:19 +0000 | [diff] [blame] | 229 | struct mutex req_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 230 | wait_queue_head_t req_wait_q; |
| 231 | __u32 req_status; |
| 232 | __u32 req_result; |
Johan Hedberg | a5040ef | 2011-01-10 13:28:59 +0200 | [diff] [blame] | 233 | |
| 234 | __u16 init_last_cmd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 235 | |
Johan Hedberg | 2e58ef3 | 2011-11-08 20:40:15 +0200 | [diff] [blame] | 236 | struct list_head mgmt_pending; |
| 237 | |
Johan Hedberg | 3088351 | 2012-01-04 14:16:21 +0200 | [diff] [blame] | 238 | struct discovery_state discovery; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | struct hci_conn_hash conn_hash; |
David Miller | ea4bd8b | 2010-07-30 21:54:49 -0700 | [diff] [blame] | 240 | struct list_head blacklist; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | |
Johan Hedberg | 2aeb9a1 | 2011-01-04 12:08:51 +0200 | [diff] [blame] | 242 | struct list_head uuids; |
| 243 | |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 244 | struct list_head link_keys; |
| 245 | |
Vinicius Costa Gomes | b899efa | 2012-02-02 21:08:00 -0300 | [diff] [blame] | 246 | struct list_head long_term_keys; |
| 247 | |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 248 | struct list_head remote_oob_data; |
| 249 | |
Andre Guedes | 76c8686 | 2011-05-26 16:23:50 -0300 | [diff] [blame] | 250 | struct list_head adv_entries; |
Gustavo F. Padovan | db323f2 | 2011-06-20 16:39:29 -0300 | [diff] [blame] | 251 | struct delayed_work adv_work; |
Andre Guedes | 76c8686 | 2011-05-26 16:23:50 -0300 | [diff] [blame] | 252 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | struct hci_dev_stats stat; |
| 254 | |
| 255 | struct sk_buff_head driver_init; |
| 256 | |
| 257 | void *driver_data; |
| 258 | void *core_data; |
| 259 | |
Andrei Emeltchenko | 70f23020 | 2010-12-01 16:58:25 +0200 | [diff] [blame] | 260 | atomic_t promisc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | |
Marcel Holtmann | ca325f6 | 2010-02-08 16:22:31 +0100 | [diff] [blame] | 262 | struct dentry *debugfs; |
| 263 | |
Marcel Holtmann | a91f2e3 | 2006-07-03 10:02:41 +0200 | [diff] [blame] | 264 | struct device *parent; |
| 265 | struct device dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | |
Marcel Holtmann | 611b30f | 2009-06-08 14:41:38 +0200 | [diff] [blame] | 267 | struct rfkill *rfkill; |
| 268 | |
Andre Guedes | d23264a | 2011-11-25 20:53:38 -0300 | [diff] [blame] | 269 | unsigned long dev_flags; |
| 270 | |
Andre Guedes | 7ba8b4b | 2012-02-03 17:47:59 -0300 | [diff] [blame] | 271 | struct delayed_work le_scan_disable; |
| 272 | |
Andre Guedes | 28b75a8 | 2012-02-03 17:48:00 -0300 | [diff] [blame] | 273 | struct work_struct le_scan; |
| 274 | struct le_scan_params le_scan_params; |
| 275 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | int (*open)(struct hci_dev *hdev); |
| 277 | int (*close)(struct hci_dev *hdev); |
| 278 | int (*flush)(struct hci_dev *hdev); |
| 279 | int (*send)(struct sk_buff *skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | void (*notify)(struct hci_dev *hdev, unsigned int evt); |
| 281 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); |
| 282 | }; |
| 283 | |
| 284 | struct hci_conn { |
| 285 | struct list_head list; |
| 286 | |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 287 | atomic_t refcnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 289 | bdaddr_t dst; |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 290 | __u8 dst_type; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 291 | __u16 handle; |
| 292 | __u16 state; |
| 293 | __u8 mode; |
| 294 | __u8 type; |
Johan Hedberg | a0c808b | 2012-01-16 09:49:58 +0200 | [diff] [blame] | 295 | bool out; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 296 | __u8 attempt; |
| 297 | __u8 dev_class[3]; |
| 298 | __u8 features[8]; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 299 | __u16 interval; |
| 300 | __u16 pkt_type; |
| 301 | __u16 link_policy; |
| 302 | __u32 link_mode; |
Waldemar Rymarkiewicz | 13d3931 | 2011-04-28 12:07:55 +0200 | [diff] [blame] | 303 | __u8 key_type; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 304 | __u8 auth_type; |
| 305 | __u8 sec_level; |
| 306 | __u8 pending_sec_level; |
| 307 | __u8 pin_length; |
Vinicius Costa Gomes | 726b4ff | 2011-07-08 18:31:45 -0300 | [diff] [blame] | 308 | __u8 enc_key_size; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 309 | __u8 io_capability; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 310 | __u16 disc_timeout; |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 311 | unsigned long flags; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 312 | |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 313 | __u8 remote_cap; |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 314 | __u8 remote_auth; |
| 315 | |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 316 | unsigned int sent; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 317 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | struct sk_buff_head data_q; |
Gustavo F. Padovan | 2c33c06 | 2011-12-14 13:02:51 -0200 | [diff] [blame] | 319 | struct list_head chan_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | |
Gustavo F. Padovan | 19c40e3 | 2011-06-17 13:03:21 -0300 | [diff] [blame] | 321 | struct delayed_work disc_work; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 322 | struct timer_list idle_timer; |
Johan Hedberg | 9f61656 | 2011-04-28 11:28:54 -0700 | [diff] [blame] | 323 | struct timer_list auto_accept_timer; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 324 | |
Marcel Holtmann | b219e3a | 2006-07-06 12:38:46 +0200 | [diff] [blame] | 325 | struct device dev; |
Marcel Holtmann | 9eba32b | 2009-08-22 14:19:26 -0700 | [diff] [blame] | 326 | atomic_t devref; |
Marcel Holtmann | b219e3a | 2006-07-06 12:38:46 +0200 | [diff] [blame] | 327 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | struct hci_dev *hdev; |
| 329 | void *l2cap_data; |
| 330 | void *sco_data; |
Brian Gix | 2b64d15 | 2011-12-21 16:12:12 -0800 | [diff] [blame] | 331 | void *smp_conn; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | |
| 333 | struct hci_conn *link; |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 334 | |
| 335 | void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); |
| 336 | void (*security_cfm_cb) (struct hci_conn *conn, u8 status); |
| 337 | void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | }; |
| 339 | |
Luiz Augusto von Dentz | 73d80de | 2011-11-02 15:52:01 +0200 | [diff] [blame] | 340 | struct hci_chan { |
| 341 | struct list_head list; |
| 342 | |
| 343 | struct hci_conn *conn; |
| 344 | struct sk_buff_head data_q; |
| 345 | unsigned int sent; |
| 346 | }; |
| 347 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 348 | extern struct list_head hci_dev_list; |
| 349 | extern struct list_head hci_cb_list; |
| 350 | extern rwlock_t hci_dev_list_lock; |
| 351 | extern rwlock_t hci_cb_list_lock; |
| 352 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 353 | /* ----- HCI interface to upper protocols ----- */ |
| 354 | extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 355 | extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status); |
| 356 | extern int l2cap_disconn_ind(struct hci_conn *hcon); |
| 357 | extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); |
| 358 | extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); |
| 359 | extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); |
| 360 | |
| 361 | extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 362 | extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status); |
| 363 | extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); |
| 364 | extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); |
| 365 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | /* ----- Inquiry cache ----- */ |
Andrei Emeltchenko | 70f23020 | 2010-12-01 16:58:25 +0200 | [diff] [blame] | 367 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
| 368 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | |
Johan Hedberg | 3088351 | 2012-01-04 14:16:21 +0200 | [diff] [blame] | 370 | static inline void discovery_init(struct hci_dev *hdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | { |
Johan Hedberg | ff9ef57 | 2012-01-04 14:23:45 +0200 | [diff] [blame] | 372 | hdev->discovery.state = DISCOVERY_STOPPED; |
Johan Hedberg | 3088351 | 2012-01-04 14:16:21 +0200 | [diff] [blame] | 373 | INIT_LIST_HEAD(&hdev->discovery.all); |
| 374 | INIT_LIST_HEAD(&hdev->discovery.unknown); |
| 375 | INIT_LIST_HEAD(&hdev->discovery.resolve); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 376 | } |
| 377 | |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 378 | bool hci_discovery_active(struct hci_dev *hdev); |
| 379 | |
Johan Hedberg | ff9ef57 | 2012-01-04 14:23:45 +0200 | [diff] [blame] | 380 | void hci_discovery_set_state(struct hci_dev *hdev, int state); |
| 381 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 382 | static inline int inquiry_cache_empty(struct hci_dev *hdev) |
| 383 | { |
Johan Hedberg | 3088351 | 2012-01-04 14:16:21 +0200 | [diff] [blame] | 384 | return list_empty(&hdev->discovery.all); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | } |
| 386 | |
| 387 | static inline long inquiry_cache_age(struct hci_dev *hdev) |
| 388 | { |
Johan Hedberg | 3088351 | 2012-01-04 14:16:21 +0200 | [diff] [blame] | 389 | struct discovery_state *c = &hdev->discovery; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | return jiffies - c->timestamp; |
| 391 | } |
| 392 | |
| 393 | static inline long inquiry_entry_age(struct inquiry_entry *e) |
| 394 | { |
| 395 | return jiffies - e->timestamp; |
| 396 | } |
| 397 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 398 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, |
| 399 | bdaddr_t *bdaddr); |
Johan Hedberg | 561aafb | 2012-01-04 13:31:59 +0200 | [diff] [blame] | 400 | struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, |
| 401 | bdaddr_t *bdaddr); |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 402 | struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, |
| 403 | bdaddr_t *bdaddr, |
| 404 | int state); |
Johan Hedberg | a3d4e20 | 2012-01-09 00:53:02 +0200 | [diff] [blame] | 405 | void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, |
| 406 | struct inquiry_entry *ie); |
Johan Hedberg | 3175405 | 2012-01-04 13:39:52 +0200 | [diff] [blame] | 407 | bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, |
Johan Hedberg | 561aafb | 2012-01-04 13:31:59 +0200 | [diff] [blame] | 408 | bool name_known); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | |
| 410 | /* ----- HCI Connections ----- */ |
| 411 | enum { |
| 412 | HCI_CONN_AUTH_PEND, |
Waldemar Rymarkiewicz | 19f8def | 2011-05-31 15:49:25 +0200 | [diff] [blame] | 413 | HCI_CONN_REAUTH_PEND, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | HCI_CONN_ENCRYPT_PEND, |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 415 | HCI_CONN_RSWITCH_PEND, |
| 416 | HCI_CONN_MODE_CHANGE_PEND, |
Marcel Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 417 | HCI_CONN_SCO_SETUP_PEND, |
Vinicius Costa Gomes | d26a234 | 2011-08-19 21:06:51 -0300 | [diff] [blame] | 418 | HCI_CONN_LE_SMP_PEND, |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 419 | HCI_CONN_MGMT_CONNECTED, |
Johan Hedberg | 58a681e | 2012-01-16 06:47:28 +0200 | [diff] [blame] | 420 | HCI_CONN_SSP_ENABLED, |
| 421 | HCI_CONN_POWER_SAVE, |
| 422 | HCI_CONN_REMOTE_OOB, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | }; |
| 424 | |
Johan Hedberg | aa64a8b | 2012-01-18 21:33:12 +0200 | [diff] [blame] | 425 | static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) |
| 426 | { |
| 427 | struct hci_dev *hdev = conn->hdev; |
| 428 | return (test_bit(HCI_SSP_ENABLED, &hdev->flags) && |
| 429 | test_bit(HCI_CONN_SSP_ENABLED, &conn->flags)); |
| 430 | } |
| 431 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | static inline void hci_conn_hash_init(struct hci_dev *hdev) |
| 433 | { |
| 434 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 435 | INIT_LIST_HEAD(&h->list); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | h->acl_num = 0; |
| 437 | h->sco_num = 0; |
Gustavo F. Padovan | dc8ed67 | 2011-12-14 20:56:12 -0200 | [diff] [blame] | 438 | h->le_num = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) |
| 442 | { |
| 443 | struct hci_conn_hash *h = &hdev->conn_hash; |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 444 | list_add_rcu(&c->list, &h->list); |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 445 | switch (c->type) { |
| 446 | case ACL_LINK: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | h->acl_num++; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 448 | break; |
| 449 | case LE_LINK: |
| 450 | h->le_num++; |
| 451 | break; |
| 452 | case SCO_LINK: |
| 453 | case ESCO_LINK: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | h->sco_num++; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 455 | break; |
| 456 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | } |
| 458 | |
| 459 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) |
| 460 | { |
| 461 | struct hci_conn_hash *h = &hdev->conn_hash; |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 462 | |
| 463 | list_del_rcu(&c->list); |
| 464 | synchronize_rcu(); |
| 465 | |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 466 | switch (c->type) { |
| 467 | case ACL_LINK: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | h->acl_num--; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 469 | break; |
| 470 | case LE_LINK: |
| 471 | h->le_num--; |
| 472 | break; |
| 473 | case SCO_LINK: |
| 474 | case ESCO_LINK: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 475 | h->sco_num--; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 476 | break; |
| 477 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 478 | } |
| 479 | |
Luiz Augusto von Dentz | 52087a7 | 2011-08-17 16:23:00 +0300 | [diff] [blame] | 480 | static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) |
| 481 | { |
| 482 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 483 | switch (type) { |
| 484 | case ACL_LINK: |
| 485 | return h->acl_num; |
| 486 | case LE_LINK: |
| 487 | return h->le_num; |
| 488 | case SCO_LINK: |
| 489 | case ESCO_LINK: |
| 490 | return h->sco_num; |
| 491 | default: |
| 492 | return 0; |
| 493 | } |
| 494 | } |
| 495 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | 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] | 497 | __u16 handle) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | { |
| 499 | struct hci_conn_hash *h = &hdev->conn_hash; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | struct hci_conn *c; |
| 501 | |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 502 | rcu_read_lock(); |
| 503 | |
| 504 | list_for_each_entry_rcu(c, &h->list, list) { |
| 505 | if (c->handle == handle) { |
| 506 | rcu_read_unlock(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | return c; |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 508 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 509 | } |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 510 | rcu_read_unlock(); |
| 511 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | return NULL; |
| 513 | } |
| 514 | |
| 515 | 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] | 516 | __u8 type, bdaddr_t *ba) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 517 | { |
| 518 | struct hci_conn_hash *h = &hdev->conn_hash; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | struct hci_conn *c; |
| 520 | |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 521 | rcu_read_lock(); |
| 522 | |
| 523 | list_for_each_entry_rcu(c, &h->list, list) { |
| 524 | if (c->type == type && !bacmp(&c->dst, ba)) { |
| 525 | rcu_read_unlock(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 526 | return c; |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 527 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | } |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 529 | |
| 530 | rcu_read_unlock(); |
| 531 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | return NULL; |
| 533 | } |
| 534 | |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 535 | 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] | 536 | __u8 type, __u16 state) |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 537 | { |
| 538 | struct hci_conn_hash *h = &hdev->conn_hash; |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 539 | struct hci_conn *c; |
| 540 | |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 541 | rcu_read_lock(); |
| 542 | |
| 543 | list_for_each_entry_rcu(c, &h->list, list) { |
| 544 | if (c->type == type && c->state == state) { |
| 545 | rcu_read_unlock(); |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 546 | return c; |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 547 | } |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 548 | } |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 549 | |
| 550 | rcu_read_unlock(); |
| 551 | |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 552 | return NULL; |
| 553 | } |
| 554 | |
| 555 | void hci_acl_connect(struct hci_conn *conn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
| 557 | void hci_add_sco(struct hci_conn *conn, __u16 handle); |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 558 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
Marcel Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 559 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | |
| 561 | 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] | 562 | int hci_conn_del(struct hci_conn *conn); |
| 563 | void hci_conn_hash_flush(struct hci_dev *hdev); |
| 564 | void hci_conn_check_pending(struct hci_dev *hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | |
Luiz Augusto von Dentz | 73d80de | 2011-11-02 15:52:01 +0200 | [diff] [blame] | 566 | struct hci_chan *hci_chan_create(struct hci_conn *conn); |
| 567 | int hci_chan_del(struct hci_chan *chan); |
Gustavo F. Padovan | 2c33c06 | 2011-12-14 13:02:51 -0200 | [diff] [blame] | 568 | void hci_chan_list_flush(struct hci_conn *conn); |
Luiz Augusto von Dentz | 73d80de | 2011-11-02 15:52:01 +0200 | [diff] [blame] | 569 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 570 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, |
| 571 | __u8 sec_level, __u8 auth_type); |
Marcel Holtmann | e7c29cb | 2008-09-09 07:19:20 +0200 | [diff] [blame] | 572 | int hci_conn_check_link_mode(struct hci_conn *conn); |
Waldemar Rymarkiewicz | b3b1b06 | 2011-05-06 09:42:31 +0200 | [diff] [blame] | 573 | int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); |
Marcel Holtmann | 0684e5f | 2009-02-09 02:48:38 +0100 | [diff] [blame] | 574 | 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] | 575 | int hci_conn_change_link_key(struct hci_conn *conn); |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 576 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 577 | |
Jaikumar Ganesh | 14b12d0 | 2011-05-23 18:06:04 -0700 | [diff] [blame] | 578 | void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | |
Marcel Holtmann | 9eba32b | 2009-08-22 14:19:26 -0700 | [diff] [blame] | 580 | void hci_conn_hold_device(struct hci_conn *conn); |
| 581 | void hci_conn_put_device(struct hci_conn *conn); |
| 582 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | static inline void hci_conn_hold(struct hci_conn *conn) |
| 584 | { |
| 585 | atomic_inc(&conn->refcnt); |
Andre Guedes | 2f304d1 | 2012-01-27 19:42:02 -0300 | [diff] [blame] | 586 | cancel_delayed_work(&conn->disc_work); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | } |
| 588 | |
| 589 | static inline void hci_conn_put(struct hci_conn *conn) |
| 590 | { |
| 591 | if (atomic_dec_and_test(&conn->refcnt)) { |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 592 | unsigned long timeo; |
Vinicius Costa Gomes | 454d48f | 2011-08-19 21:06:52 -0300 | [diff] [blame] | 593 | if (conn->type == ACL_LINK || conn->type == LE_LINK) { |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 594 | del_timer(&conn->idle_timer); |
Marcel Holtmann | 6ac5934 | 2006-09-26 09:43:48 +0200 | [diff] [blame] | 595 | if (conn->state == BT_CONNECTED) { |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 596 | timeo = msecs_to_jiffies(conn->disc_timeout); |
Marcel Holtmann | 6ac5934 | 2006-09-26 09:43:48 +0200 | [diff] [blame] | 597 | if (!conn->out) |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 598 | timeo *= 2; |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 599 | } else { |
Marcel Holtmann | 6ac5934 | 2006-09-26 09:43:48 +0200 | [diff] [blame] | 600 | timeo = msecs_to_jiffies(10); |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 601 | } |
| 602 | } else { |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 603 | timeo = msecs_to_jiffies(10); |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 604 | } |
Andre Guedes | 2f304d1 | 2012-01-27 19:42:02 -0300 | [diff] [blame] | 605 | cancel_delayed_work(&conn->disc_work); |
Gustavo F. Padovan | 19c40e3 | 2011-06-17 13:03:21 -0300 | [diff] [blame] | 606 | queue_delayed_work(conn->hdev->workqueue, |
Vinicius Costa Gomes | 1931782 | 2012-01-04 11:57:17 -0300 | [diff] [blame] | 607 | &conn->disc_work, timeo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | } |
| 609 | } |
| 610 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 611 | /* ----- HCI Devices ----- */ |
David Herrmann | dc946bd | 2012-01-07 15:47:24 +0100 | [diff] [blame] | 612 | static inline void hci_dev_put(struct hci_dev *d) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 613 | { |
David Herrmann | 4c724c7 | 2012-01-07 15:47:23 +0100 | [diff] [blame] | 614 | put_device(&d->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | } |
| 616 | |
David Herrmann | dc946bd | 2012-01-07 15:47:24 +0100 | [diff] [blame] | 617 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | { |
David Herrmann | 4c724c7 | 2012-01-07 15:47:23 +0100 | [diff] [blame] | 619 | get_device(&d->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 620 | return d; |
| 621 | } |
| 622 | |
Gustavo F. Padovan | 09fd0de | 2011-06-17 13:03:21 -0300 | [diff] [blame] | 623 | #define hci_dev_lock(d) mutex_lock(&d->lock) |
| 624 | #define hci_dev_unlock(d) mutex_unlock(&d->lock) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 625 | |
| 626 | struct hci_dev *hci_dev_get(int index); |
| 627 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); |
| 628 | |
| 629 | struct hci_dev *hci_alloc_dev(void); |
| 630 | void hci_free_dev(struct hci_dev *hdev); |
| 631 | int hci_register_dev(struct hci_dev *hdev); |
David Herrmann | 5973563 | 2011-10-26 10:43:19 +0200 | [diff] [blame] | 632 | void hci_unregister_dev(struct hci_dev *hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 633 | int hci_suspend_dev(struct hci_dev *hdev); |
| 634 | int hci_resume_dev(struct hci_dev *hdev); |
| 635 | int hci_dev_open(__u16 dev); |
| 636 | int hci_dev_close(__u16 dev); |
| 637 | int hci_dev_reset(__u16 dev); |
| 638 | int hci_dev_reset_stat(__u16 dev); |
| 639 | int hci_dev_cmd(unsigned int cmd, void __user *arg); |
| 640 | int hci_get_dev_list(void __user *arg); |
| 641 | int hci_get_dev_info(void __user *arg); |
| 642 | int hci_get_conn_list(void __user *arg); |
| 643 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); |
Marcel Holtmann | 40be492 | 2008-07-14 20:13:50 +0200 | [diff] [blame] | 644 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 645 | int hci_inquiry(void __user *arg); |
| 646 | |
Johan Hedberg | f035856 | 2010-05-18 13:20:32 +0200 | [diff] [blame] | 647 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 648 | int hci_blacklist_clear(struct hci_dev *hdev); |
Johan Hedberg | 88c1fe4 | 2012-02-09 15:56:11 +0200 | [diff] [blame^] | 649 | int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
| 650 | int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
Johan Hedberg | f035856 | 2010-05-18 13:20:32 +0200 | [diff] [blame] | 651 | |
Johan Hedberg | 2aeb9a1 | 2011-01-04 12:08:51 +0200 | [diff] [blame] | 652 | int hci_uuids_clear(struct hci_dev *hdev); |
| 653 | |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 654 | int hci_link_keys_clear(struct hci_dev *hdev); |
| 655 | struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
Johan Hedberg | d25e28a | 2011-04-28 11:28:59 -0700 | [diff] [blame] | 656 | int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, |
| 657 | bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); |
Vinicius Costa Gomes | c9839a1 | 2012-02-02 21:08:01 -0300 | [diff] [blame] | 658 | struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); |
| 659 | int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, |
| 660 | int new_key, u8 authenticated, u8 tk[16], |
| 661 | u8 enc_size, u16 ediv, u8 rand[8]); |
| 662 | struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| 663 | u8 addr_type); |
Vinicius Costa Gomes | b899efa | 2012-02-02 21:08:00 -0300 | [diff] [blame] | 664 | int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); |
Vinicius Costa Gomes | b899efa | 2012-02-02 21:08:00 -0300 | [diff] [blame] | 665 | int hci_smp_ltks_clear(struct hci_dev *hdev); |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 666 | int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 667 | |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 668 | int hci_remote_oob_data_clear(struct hci_dev *hdev); |
| 669 | struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, |
| 670 | bdaddr_t *bdaddr); |
| 671 | int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, |
| 672 | u8 *randomizer); |
| 673 | int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 674 | |
Andre Guedes | 3581508 | 2011-05-26 16:23:53 -0300 | [diff] [blame] | 675 | #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ |
Andre Guedes | 76c8686 | 2011-05-26 16:23:50 -0300 | [diff] [blame] | 676 | int hci_adv_entries_clear(struct hci_dev *hdev); |
| 677 | struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 678 | int hci_add_adv_entry(struct hci_dev *hdev, |
| 679 | struct hci_ev_le_advertising_info *ev); |
| 680 | |
Johan Hedberg | ab81cbf | 2010-12-15 13:53:18 +0200 | [diff] [blame] | 681 | void hci_del_off_timer(struct hci_dev *hdev); |
| 682 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
| 684 | |
Marcel Holtmann | 76bca88 | 2009-11-18 00:40:39 +0100 | [diff] [blame] | 685 | int hci_recv_frame(struct sk_buff *skb); |
Marcel Holtmann | ef22201 | 2007-07-11 06:42:04 +0200 | [diff] [blame] | 686 | 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] | 687 | 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] | 688 | |
David Herrmann | 0ac7e70 | 2011-10-08 14:58:47 +0200 | [diff] [blame] | 689 | void hci_init_sysfs(struct hci_dev *hdev); |
David Herrmann | ce24297 | 2011-10-08 14:58:48 +0200 | [diff] [blame] | 690 | int hci_add_sysfs(struct hci_dev *hdev); |
| 691 | void hci_del_sysfs(struct hci_dev *hdev); |
Marcel Holtmann | a67e899 | 2009-05-02 18:24:06 -0700 | [diff] [blame] | 692 | void hci_conn_init_sysfs(struct hci_conn *conn); |
Marcel Holtmann | b219e3a | 2006-07-06 12:38:46 +0200 | [diff] [blame] | 693 | void hci_conn_add_sysfs(struct hci_conn *conn); |
| 694 | void hci_conn_del_sysfs(struct hci_conn *conn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 695 | |
Marcel Holtmann | a91f2e3 | 2006-07-03 10:02:41 +0200 | [diff] [blame] | 696 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | |
| 698 | /* ----- LMP capabilities ----- */ |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 699 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
| 700 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) |
| 701 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) |
| 702 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) |
Marcel Holtmann | 5b7f990 | 2007-07-11 09:51:55 +0200 | [diff] [blame] | 703 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 704 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
Andrei Emeltchenko | e702112 | 2011-01-03 11:14:36 +0200 | [diff] [blame] | 705 | #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 706 | #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 707 | |
Andre Guedes | eead27d | 2011-06-30 19:20:55 -0300 | [diff] [blame] | 708 | /* ----- Extended LMP capabilities ----- */ |
Andre Guedes | 59e2940 | 2011-12-30 10:34:03 -0300 | [diff] [blame] | 709 | #define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE) |
Andre Guedes | eead27d | 2011-06-30 19:20:55 -0300 | [diff] [blame] | 710 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | /* ----- HCI protocols ----- */ |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 712 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| 713 | __u8 type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | { |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 715 | switch (type) { |
| 716 | case ACL_LINK: |
| 717 | return l2cap_connect_ind(hdev, bdaddr); |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 718 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 719 | case SCO_LINK: |
| 720 | case ESCO_LINK: |
| 721 | return sco_connect_ind(hdev, bdaddr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 722 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 723 | default: |
| 724 | BT_ERR("unknown link type %d", type); |
| 725 | return -EINVAL; |
| 726 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | } |
| 728 | |
| 729 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) |
| 730 | { |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 731 | switch (conn->type) { |
| 732 | case ACL_LINK: |
| 733 | case LE_LINK: |
| 734 | l2cap_connect_cfm(conn, status); |
| 735 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 737 | case SCO_LINK: |
| 738 | case ESCO_LINK: |
| 739 | sco_connect_cfm(conn, status); |
| 740 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 741 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 742 | default: |
| 743 | BT_ERR("unknown link type %d", conn->type); |
| 744 | break; |
| 745 | } |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 746 | |
| 747 | if (conn->connect_cfm_cb) |
| 748 | conn->connect_cfm_cb(conn, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 749 | } |
| 750 | |
Marcel Holtmann | 2950f21 | 2009-02-12 14:02:50 +0100 | [diff] [blame] | 751 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
| 752 | { |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 753 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
| 754 | return HCI_ERROR_REMOTE_USER_TERM; |
Marcel Holtmann | 2950f21 | 2009-02-12 14:02:50 +0100 | [diff] [blame] | 755 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 756 | return l2cap_disconn_ind(conn); |
Marcel Holtmann | 2950f21 | 2009-02-12 14:02:50 +0100 | [diff] [blame] | 757 | } |
| 758 | |
| 759 | 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] | 760 | { |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 761 | switch (conn->type) { |
| 762 | case ACL_LINK: |
| 763 | case LE_LINK: |
| 764 | l2cap_disconn_cfm(conn, reason); |
| 765 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 767 | case SCO_LINK: |
| 768 | case ESCO_LINK: |
| 769 | sco_disconn_cfm(conn, reason); |
| 770 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 771 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 772 | default: |
| 773 | BT_ERR("unknown link type %d", conn->type); |
| 774 | break; |
| 775 | } |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 776 | |
| 777 | if (conn->disconn_cfm_cb) |
| 778 | conn->disconn_cfm_cb(conn, reason); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 779 | } |
| 780 | |
| 781 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) |
| 782 | { |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 783 | __u8 encrypt; |
| 784 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 785 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
| 786 | return; |
| 787 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 788 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 789 | return; |
| 790 | |
| 791 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 792 | l2cap_security_cfm(conn, status, encrypt); |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 793 | |
| 794 | if (conn->security_cfm_cb) |
| 795 | conn->security_cfm_cb(conn, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 796 | } |
| 797 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 798 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, |
| 799 | __u8 encrypt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 800 | { |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 801 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
| 802 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 804 | l2cap_security_cfm(conn, status, encrypt); |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 805 | |
| 806 | if (conn->security_cfm_cb) |
| 807 | conn->security_cfm_cb(conn, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 808 | } |
| 809 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | /* ----- HCI callbacks ----- */ |
| 811 | struct hci_cb { |
| 812 | struct list_head list; |
| 813 | |
| 814 | char *name; |
| 815 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 816 | void (*security_cfm) (struct hci_conn *conn, __u8 status, |
| 817 | __u8 encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 818 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
| 819 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); |
| 820 | }; |
| 821 | |
| 822 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) |
| 823 | { |
| 824 | struct list_head *p; |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 825 | __u8 encrypt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | |
| 827 | hci_proto_auth_cfm(conn, status); |
| 828 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 829 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 830 | return; |
| 831 | |
| 832 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; |
| 833 | |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 834 | read_lock(&hci_cb_list_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 835 | list_for_each(p, &hci_cb_list) { |
| 836 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 837 | if (cb->security_cfm) |
| 838 | cb->security_cfm(conn, status, encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 839 | } |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 840 | read_unlock(&hci_cb_list_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 841 | } |
| 842 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 843 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, |
| 844 | __u8 encrypt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 845 | { |
| 846 | struct list_head *p; |
| 847 | |
Marcel Holtmann | 435fef2 | 2009-02-09 03:55:28 +0100 | [diff] [blame] | 848 | if (conn->sec_level == BT_SECURITY_SDP) |
| 849 | conn->sec_level = BT_SECURITY_LOW; |
| 850 | |
Vinicius Costa Gomes | 88167ae | 2011-06-09 18:50:51 -0300 | [diff] [blame] | 851 | if (conn->pending_sec_level > conn->sec_level) |
| 852 | conn->sec_level = conn->pending_sec_level; |
| 853 | |
Marcel Holtmann | 9719f8a | 2008-07-14 20:13:45 +0200 | [diff] [blame] | 854 | hci_proto_encrypt_cfm(conn, status, encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 855 | |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 856 | read_lock(&hci_cb_list_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 857 | list_for_each(p, &hci_cb_list) { |
| 858 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 859 | if (cb->security_cfm) |
| 860 | cb->security_cfm(conn, status, encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 861 | } |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 862 | read_unlock(&hci_cb_list_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 863 | } |
| 864 | |
| 865 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) |
| 866 | { |
| 867 | struct list_head *p; |
| 868 | |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 869 | read_lock(&hci_cb_list_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 870 | list_for_each(p, &hci_cb_list) { |
| 871 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); |
| 872 | if (cb->key_change_cfm) |
| 873 | cb->key_change_cfm(conn, status); |
| 874 | } |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 875 | read_unlock(&hci_cb_list_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 876 | } |
| 877 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 878 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, |
| 879 | __u8 role) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 880 | { |
| 881 | struct list_head *p; |
| 882 | |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 883 | read_lock(&hci_cb_list_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 884 | list_for_each(p, &hci_cb_list) { |
| 885 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); |
| 886 | if (cb->role_switch_cfm) |
| 887 | cb->role_switch_cfm(conn, status, role); |
| 888 | } |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 889 | read_unlock(&hci_cb_list_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 890 | } |
| 891 | |
Johan Hedberg | 6759a67 | 2012-01-15 20:51:14 +0200 | [diff] [blame] | 892 | static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) |
| 893 | { |
| 894 | u8 field_len; |
| 895 | size_t parsed; |
| 896 | |
| 897 | for (parsed = 0; parsed < data_len - 1; parsed += field_len) { |
| 898 | field_len = data[0]; |
| 899 | |
| 900 | if (field_len == 0) |
| 901 | break; |
| 902 | |
| 903 | parsed += field_len + 1; |
| 904 | |
| 905 | if (parsed > data_len) |
| 906 | break; |
| 907 | |
| 908 | if (data[1] == type) |
| 909 | return true; |
| 910 | |
| 911 | data += field_len + 1; |
| 912 | } |
| 913 | |
| 914 | return false; |
| 915 | } |
| 916 | |
Johan Hedberg | 1dc0609 | 2012-01-15 21:01:23 +0200 | [diff] [blame] | 917 | static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, |
| 918 | u8 data_len) |
| 919 | { |
| 920 | eir[eir_len++] = sizeof(type) + data_len; |
| 921 | eir[eir_len++] = type; |
| 922 | memcpy(&eir[eir_len], data, data_len); |
| 923 | eir_len += data_len; |
| 924 | |
| 925 | return eir_len; |
| 926 | } |
| 927 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 928 | int hci_register_cb(struct hci_cb *hcb); |
| 929 | int hci_unregister_cb(struct hci_cb *hcb); |
| 930 | |
| 931 | int hci_register_notifier(struct notifier_block *nb); |
| 932 | int hci_unregister_notifier(struct notifier_block *nb); |
| 933 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 934 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
Luiz Augusto von Dentz | 73d80de | 2011-11-02 15:52:01 +0200 | [diff] [blame] | 935 | void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); |
Gustavo F. Padovan | 0d861d8 | 2010-05-01 16:15:35 -0300 | [diff] [blame] | 936 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 937 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 938 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 939 | |
| 940 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); |
| 941 | |
| 942 | /* ----- HCI Sockets ----- */ |
Johan Hedberg | eec8d2b | 2010-12-16 10:17:38 +0200 | [diff] [blame] | 943 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, |
| 944 | struct sock *skip_sk); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 945 | |
Johan Hedberg | 0381101 | 2010-12-08 00:21:06 +0200 | [diff] [blame] | 946 | /* Management interface */ |
| 947 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 948 | int mgmt_index_added(struct hci_dev *hdev); |
| 949 | int mgmt_index_removed(struct hci_dev *hdev); |
| 950 | int mgmt_powered(struct hci_dev *hdev, u8 powered); |
| 951 | int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); |
| 952 | int mgmt_connectable(struct hci_dev *hdev, u8 connectable); |
| 953 | int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); |
| 954 | int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, |
| 955 | u8 persistent); |
Johan Hedberg | afc747a | 2012-01-15 18:11:07 +0200 | [diff] [blame] | 956 | int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 957 | u8 addr_type, u8 *name, u8 name_len, |
| 958 | u8 *dev_class); |
Johan Hedberg | afc747a | 2012-01-15 18:11:07 +0200 | [diff] [blame] | 959 | int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| 960 | u8 link_type, u8 addr_type); |
Johan Hedberg | 88c3df1 | 2012-02-09 14:27:38 +0200 | [diff] [blame] | 961 | int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| 962 | u8 link_type, u8 addr_type, u8 status); |
Johan Hedberg | 48264f0 | 2011-11-09 13:58:58 +0200 | [diff] [blame] | 963 | int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
| 964 | u8 addr_type, u8 status); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 965 | int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); |
| 966 | int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Szymon Janc | c35938b | 2011-03-22 13:12:21 +0100 | [diff] [blame] | 967 | u8 status); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 968 | int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| 969 | u8 status); |
| 970 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Johan Hedberg | 272d90d | 2012-02-09 15:26:12 +0200 | [diff] [blame] | 971 | u8 link_type, u8 addr_type, __le32 value, |
| 972 | u8 confirm_hint); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 973 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Johan Hedberg | 272d90d | 2012-02-09 15:26:12 +0200 | [diff] [blame] | 974 | u8 link_type, u8 addr_type, u8 status); |
| 975 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| 976 | u8 link_type, u8 addr_type, u8 status); |
| 977 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| 978 | u8 link_type, u8 addr_type); |
Brian Gix | 604086b | 2011-11-23 08:28:33 -0800 | [diff] [blame] | 979 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Johan Hedberg | 272d90d | 2012-02-09 15:26:12 +0200 | [diff] [blame] | 980 | u8 link_type, u8 addr_type, u8 status); |
| 981 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| 982 | u8 link_type, u8 addr_type, u8 status); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 983 | int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status); |
| 984 | int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); |
| 985 | int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, |
| 986 | u8 *randomizer, u8 status); |
Johan Hedberg | 48264f0 | 2011-11-09 13:58:58 +0200 | [diff] [blame] | 987 | int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
Johan Hedberg | 561aafb | 2012-01-04 13:31:59 +0200 | [diff] [blame] | 988 | u8 addr_type, u8 *dev_class, s8 rssi, |
Johan Hedberg | e319d2e | 2012-01-15 19:51:59 +0200 | [diff] [blame] | 989 | u8 cfm_name, u8 *eir, u16 eir_len); |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 990 | int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
| 991 | u8 addr_type, s8 rssi, u8 *name, u8 name_len); |
Andre Guedes | 7a13510 | 2011-11-09 17:14:25 -0300 | [diff] [blame] | 992 | int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status); |
Andre Guedes | e6d465c | 2011-11-09 17:14:26 -0300 | [diff] [blame] | 993 | int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 994 | int mgmt_discovering(struct hci_dev *hdev, u8 discovering); |
Johan Hedberg | 88c1fe4 | 2012-02-09 15:56:11 +0200 | [diff] [blame^] | 995 | int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
| 996 | int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
Johan Hedberg | 0381101 | 2010-12-08 00:21:06 +0200 | [diff] [blame] | 997 | |
Vinicius Costa Gomes | 346af67 | 2012-02-02 21:08:02 -0300 | [diff] [blame] | 998 | int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); |
| 999 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | /* HCI info for socket */ |
| 1001 | #define hci_pi(sk) ((struct hci_pinfo *) sk) |
| 1002 | |
Johan Hedberg | 14c0b60 | 2011-12-15 00:47:37 +0200 | [diff] [blame] | 1003 | /* HCI socket flags */ |
| 1004 | #define HCI_PI_MGMT_INIT 0 |
| 1005 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1006 | struct hci_pinfo { |
| 1007 | struct bt_sock bt; |
| 1008 | struct hci_dev *hdev; |
| 1009 | struct hci_filter filter; |
| 1010 | __u32 cmsg_mask; |
Johan Hedberg | c02178d | 2010-12-08 00:21:05 +0200 | [diff] [blame] | 1011 | unsigned short channel; |
Johan Hedberg | 14c0b60 | 2011-12-15 00:47:37 +0200 | [diff] [blame] | 1012 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1013 | }; |
| 1014 | |
| 1015 | /* HCI security filter */ |
| 1016 | #define HCI_SFLT_MAX_OGF 5 |
| 1017 | |
| 1018 | struct hci_sec_filter { |
| 1019 | __u32 type_mask; |
| 1020 | __u32 event_mask[2]; |
| 1021 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; |
| 1022 | }; |
| 1023 | |
| 1024 | /* ----- HCI requests ----- */ |
| 1025 | #define HCI_REQ_DONE 0 |
| 1026 | #define HCI_REQ_PEND 1 |
| 1027 | #define HCI_REQ_CANCELED 2 |
| 1028 | |
Thomas Gleixner | a6a67ef | 2009-07-26 08:18:19 +0000 | [diff] [blame] | 1029 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
| 1030 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1031 | |
Johan Hedberg | 23bb576 | 2010-12-21 23:01:27 +0200 | [diff] [blame] | 1032 | void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1033 | |
Claudio Takahasi | 2ce603e | 2011-02-16 20:44:53 -0200 | [diff] [blame] | 1034 | void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, |
| 1035 | u16 latency, u16 to_multiplier); |
Vinicius Costa Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 1036 | void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], |
| 1037 | __u8 ltk[16]); |
| 1038 | void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); |
| 1039 | void hci_le_ltk_neg_reply(struct hci_conn *conn); |
| 1040 | |
Andre Guedes | 2519a1f | 2011-11-07 11:45:24 -0300 | [diff] [blame] | 1041 | int hci_do_inquiry(struct hci_dev *hdev, u8 length); |
Andre Guedes | 023d5049 | 2011-11-04 14:16:52 -0300 | [diff] [blame] | 1042 | int hci_cancel_inquiry(struct hci_dev *hdev); |
Andre Guedes | 28b75a8 | 2012-02-03 17:48:00 -0300 | [diff] [blame] | 1043 | int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window, |
| 1044 | int timeout); |
Andre Guedes | 2519a1f | 2011-11-07 11:45:24 -0300 | [diff] [blame] | 1045 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1046 | #endif /* __HCI_CORE_H */ |