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 | |
Luiz Augusto von Dentz | 5e59b79 | 2011-11-01 10:58:57 +0200 | [diff] [blame] | 30 | /* HCI priority */ |
| 31 | #define HCI_PRIO_MAX 7 |
| 32 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | /* HCI Core structures */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | struct inquiry_data { |
| 35 | bdaddr_t bdaddr; |
| 36 | __u8 pscan_rep_mode; |
| 37 | __u8 pscan_period_mode; |
| 38 | __u8 pscan_mode; |
| 39 | __u8 dev_class[3]; |
Marcel Holtmann | 1ebb925 | 2005-11-08 09:57:21 -0800 | [diff] [blame] | 40 | __le16 clock_offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | __s8 rssi; |
Marcel Holtmann | 41a9621 | 2008-07-14 20:13:48 +0200 | [diff] [blame] | 42 | __u8 ssp_mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | }; |
| 44 | |
| 45 | struct inquiry_entry { |
Johan Hedberg | 561aafb | 2012-01-04 13:31:59 +0200 | [diff] [blame] | 46 | struct list_head all; /* inq_cache.all */ |
| 47 | struct list_head list; /* unknown or resolve */ |
| 48 | enum { |
| 49 | NAME_NOT_KNOWN, |
| 50 | NAME_NEEDED, |
| 51 | NAME_PENDING, |
| 52 | NAME_KNOWN, |
| 53 | } name_state; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | __u32 timestamp; |
| 55 | struct inquiry_data data; |
| 56 | }; |
| 57 | |
Johan Hedberg | 3088351 | 2012-01-04 14:16:21 +0200 | [diff] [blame] | 58 | struct discovery_state { |
Gustavo F. Padovan | f64b993 | 2012-03-06 23:48:33 -0300 | [diff] [blame] | 59 | int type; |
Johan Hedberg | ff9ef57 | 2012-01-04 14:23:45 +0200 | [diff] [blame] | 60 | enum { |
| 61 | DISCOVERY_STOPPED, |
| 62 | DISCOVERY_STARTING, |
Andre Guedes | 343f935 | 2012-02-17 20:39:37 -0300 | [diff] [blame] | 63 | DISCOVERY_FINDING, |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 64 | DISCOVERY_RESOLVING, |
Johan Hedberg | ff9ef57 | 2012-01-04 14:23:45 +0200 | [diff] [blame] | 65 | DISCOVERY_STOPPING, |
| 66 | } state; |
Gustavo Padovan | c3c7ea6 | 2012-05-23 04:04:20 -0300 | [diff] [blame] | 67 | struct list_head all; /* All devices found during inquiry */ |
Gustavo F. Padovan | f64b993 | 2012-03-06 23:48:33 -0300 | [diff] [blame] | 68 | struct list_head unknown; /* Name state not known */ |
| 69 | struct list_head resolve; /* Name needs to be resolved */ |
| 70 | __u32 timestamp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | }; |
| 72 | |
| 73 | struct hci_conn_hash { |
| 74 | struct list_head list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | unsigned int acl_num; |
Andrei Emeltchenko | bd1eb66 | 2012-10-10 17:38:30 +0300 | [diff] [blame] | 76 | unsigned int amp_num; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | 83be8ec | 2013-01-27 00:31:29 +0200 | [diff] [blame] | 89 | u8 size; |
Johan Hedberg | 1aff6f0 | 2011-01-13 21:56:52 +0200 | [diff] [blame] | 90 | u8 svc_hint; |
Johan Hedberg | 2aeb9a1 | 2011-01-04 12:08:51 +0200 | [diff] [blame] | 91 | }; |
| 92 | |
Vinicius Costa Gomes | b899efa | 2012-02-02 21:08:00 -0300 | [diff] [blame] | 93 | struct smp_ltk { |
| 94 | struct list_head list; |
| 95 | bdaddr_t bdaddr; |
| 96 | u8 bdaddr_type; |
| 97 | u8 authenticated; |
| 98 | u8 type; |
| 99 | u8 enc_size; |
| 100 | __le16 ediv; |
| 101 | u8 rand[8]; |
| 102 | u8 val[16]; |
| 103 | } __packed; |
| 104 | |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 105 | struct link_key { |
| 106 | struct list_head list; |
| 107 | bdaddr_t bdaddr; |
| 108 | u8 type; |
Andrei Emeltchenko | 9b3b446 | 2012-05-23 11:31:20 +0300 | [diff] [blame] | 109 | u8 val[HCI_LINK_KEY_SIZE]; |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 110 | u8 pin_len; |
| 111 | }; |
| 112 | |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 113 | struct oob_data { |
| 114 | struct list_head list; |
| 115 | bdaddr_t bdaddr; |
| 116 | u8 hash[16]; |
| 117 | u8 randomizer[16]; |
| 118 | }; |
| 119 | |
Andre Guedes | 7ba8b4b | 2012-02-03 17:47:59 -0300 | [diff] [blame] | 120 | struct le_scan_params { |
| 121 | u8 type; |
| 122 | u16 interval; |
| 123 | u16 window; |
Andre Guedes | 28b75a8 | 2012-02-03 17:48:00 -0300 | [diff] [blame] | 124 | int timeout; |
Andre Guedes | 7ba8b4b | 2012-02-03 17:47:59 -0300 | [diff] [blame] | 125 | }; |
| 126 | |
Johan Hedberg | 490c5ba | 2012-02-22 19:19:09 +0200 | [diff] [blame] | 127 | #define HCI_MAX_SHORT_NAME_LENGTH 10 |
| 128 | |
Andrei Emeltchenko | 903e454 | 2012-09-27 17:26:09 +0300 | [diff] [blame] | 129 | struct amp_assoc { |
| 130 | __u16 len; |
| 131 | __u16 offset; |
Andrei Emeltchenko | 93c284e | 2012-09-27 17:26:20 +0300 | [diff] [blame] | 132 | __u16 rem_len; |
| 133 | __u16 len_so_far; |
Andrei Emeltchenko | 903e454 | 2012-09-27 17:26:09 +0300 | [diff] [blame] | 134 | __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; |
| 135 | }; |
| 136 | |
Suraj Sumangala | cd4c539 | 2010-07-14 13:02:16 +0530 | [diff] [blame] | 137 | #define NUM_REASSEMBLY 4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | struct hci_dev { |
| 139 | struct list_head list; |
Gustavo F. Padovan | 09fd0de | 2011-06-17 13:03:21 -0300 | [diff] [blame] | 140 | struct mutex lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | |
| 142 | char name[8]; |
| 143 | unsigned long flags; |
| 144 | __u16 id; |
Marcel Holtmann | c13854c | 2010-02-08 15:27:07 +0100 | [diff] [blame] | 145 | __u8 bus; |
Marcel Holtmann | 943da25 | 2010-02-13 02:28:41 +0100 | [diff] [blame] | 146 | __u8 dev_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | bdaddr_t bdaddr; |
Johan Hedberg | 1f6c637 | 2011-03-16 14:29:35 +0200 | [diff] [blame] | 148 | __u8 dev_name[HCI_MAX_NAME_LENGTH]; |
Johan Hedberg | 490c5ba | 2012-02-22 19:19:09 +0200 | [diff] [blame] | 149 | __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; |
Johan Hedberg | 80a1e1d | 2011-03-28 14:07:23 +0300 | [diff] [blame] | 150 | __u8 eir[HCI_MAX_EIR_LENGTH]; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 151 | __u8 dev_class[3]; |
Johan Hedberg | 1aff6f0 | 2011-01-13 21:56:52 +0200 | [diff] [blame] | 152 | __u8 major_class; |
| 153 | __u8 minor_class; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | __u8 features[8]; |
Andre Guedes | 59e2940 | 2011-12-30 10:34:03 -0300 | [diff] [blame] | 155 | __u8 host_features[8]; |
Johan Hedberg | 60e7732 | 2013-01-22 14:01:59 +0200 | [diff] [blame] | 156 | __u8 le_features[8]; |
Johan Hedberg | cf1d081 | 2013-01-22 14:02:00 +0200 | [diff] [blame] | 157 | __u8 le_white_list_size; |
Johan Hedberg | 9b008c0 | 2013-01-22 14:02:01 +0200 | [diff] [blame] | 158 | __u8 le_states[8]; |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 159 | __u8 commands[64]; |
Marcel Holtmann | 1143e5a | 2006-09-23 09:57:20 +0200 | [diff] [blame] | 160 | __u8 hci_ver; |
| 161 | __u16 hci_rev; |
Johan Hedberg | d5859e2 | 2011-01-25 01:19:58 +0200 | [diff] [blame] | 162 | __u8 lmp_ver; |
Marcel Holtmann | 1143e5a | 2006-09-23 09:57:20 +0200 | [diff] [blame] | 163 | __u16 manufacturer; |
Andrei Emeltchenko | 7d69230 | 2012-03-09 11:46:49 +0200 | [diff] [blame] | 164 | __u16 lmp_subver; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | __u16 voice_setting; |
Johan Hedberg | 17fa4b9 | 2011-01-25 13:28:33 +0200 | [diff] [blame] | 166 | __u8 io_capability; |
Marcel Holtmann | 91c4e9b | 2012-03-11 19:27:21 -0700 | [diff] [blame] | 167 | __s8 inq_tx_power; |
Marcel Holtmann | 2b9be13 | 2012-03-11 19:32:12 -0700 | [diff] [blame] | 168 | __u16 devid_source; |
| 169 | __u16 devid_vendor; |
| 170 | __u16 devid_product; |
| 171 | __u16 devid_version; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | |
| 173 | __u16 pkt_type; |
Marcel Holtmann | 5b7f990 | 2007-07-11 09:51:55 +0200 | [diff] [blame] | 174 | __u16 esco_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | __u16 link_policy; |
| 176 | __u16 link_mode; |
| 177 | |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 178 | __u32 idle_timeout; |
| 179 | __u16 sniff_min_interval; |
| 180 | __u16 sniff_max_interval; |
| 181 | |
Andrei Emeltchenko | 928abaa | 2011-10-12 10:53:57 +0300 | [diff] [blame] | 182 | __u8 amp_status; |
| 183 | __u32 amp_total_bw; |
| 184 | __u32 amp_max_bw; |
| 185 | __u32 amp_min_latency; |
| 186 | __u32 amp_max_pdu; |
| 187 | __u8 amp_type; |
| 188 | __u16 amp_pal_cap; |
| 189 | __u16 amp_assoc_size; |
| 190 | __u32 amp_max_flush_to; |
| 191 | __u32 amp_be_flush_to; |
| 192 | |
Andrei Emeltchenko | 903e454 | 2012-09-27 17:26:09 +0300 | [diff] [blame] | 193 | struct amp_assoc loc_assoc; |
| 194 | |
Andrei Emeltchenko | 1e89cff | 2011-11-24 14:52:02 +0200 | [diff] [blame] | 195 | __u8 flow_ctl_mode; |
| 196 | |
Johan Hedberg | 9f61656 | 2011-04-28 11:28:54 -0700 | [diff] [blame] | 197 | unsigned int auto_accept_delay; |
| 198 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | unsigned long quirks; |
| 200 | |
| 201 | atomic_t cmd_cnt; |
| 202 | unsigned int acl_cnt; |
| 203 | unsigned int sco_cnt; |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 204 | unsigned int le_cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | |
| 206 | unsigned int acl_mtu; |
| 207 | unsigned int sco_mtu; |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 208 | unsigned int le_mtu; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | unsigned int acl_pkts; |
| 210 | unsigned int sco_pkts; |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 211 | unsigned int le_pkts; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | |
Andrei Emeltchenko | 350ee4c | 2011-12-07 15:56:51 +0200 | [diff] [blame] | 213 | __u16 block_len; |
| 214 | __u16 block_mtu; |
| 215 | __u16 num_blocks; |
| 216 | __u16 block_cnt; |
| 217 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 218 | unsigned long acl_last_tx; |
| 219 | unsigned long sco_last_tx; |
Ville Tervo | 6ed58ec | 2011-02-10 22:38:48 -0300 | [diff] [blame] | 220 | unsigned long le_last_tx; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 221 | |
Marcel Holtmann | f48fd9c | 2010-03-20 15:20:04 +0100 | [diff] [blame] | 222 | struct workqueue_struct *workqueue; |
Johan Hedberg | 6ead1bb | 2013-01-14 22:33:50 +0200 | [diff] [blame] | 223 | struct workqueue_struct *req_workqueue; |
Marcel Holtmann | f48fd9c | 2010-03-20 15:20:04 +0100 | [diff] [blame] | 224 | |
Johan Hedberg | ab81cbf | 2010-12-15 13:53:18 +0200 | [diff] [blame] | 225 | struct work_struct power_on; |
Johan Hedberg | 3243553 | 2011-11-07 22:16:04 +0200 | [diff] [blame] | 226 | struct delayed_work power_off; |
Johan Hedberg | ab81cbf | 2010-12-15 13:53:18 +0200 | [diff] [blame] | 227 | |
Johan Hedberg | 16ab91a | 2011-11-07 22:16:02 +0200 | [diff] [blame] | 228 | __u16 discov_timeout; |
| 229 | struct delayed_work discov_off; |
| 230 | |
Johan Hedberg | 7d78525 | 2011-12-15 00:47:39 +0200 | [diff] [blame] | 231 | struct delayed_work service_cache; |
| 232 | |
Ville Tervo | 6bd3232 | 2011-02-16 16:32:41 +0200 | [diff] [blame] | 233 | struct timer_list cmd_timer; |
Marcel Holtmann | b78752c | 2010-08-08 23:06:53 -0400 | [diff] [blame] | 234 | |
| 235 | struct work_struct rx_work; |
Gustavo F. Padovan | c347b76 | 2011-12-14 23:53:47 -0200 | [diff] [blame] | 236 | struct work_struct cmd_work; |
Gustavo F. Padovan | 3eff45e | 2011-12-15 00:50:02 -0200 | [diff] [blame] | 237 | struct work_struct tx_work; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | |
| 239 | struct sk_buff_head rx_q; |
| 240 | struct sk_buff_head raw_q; |
| 241 | struct sk_buff_head cmd_q; |
| 242 | |
| 243 | struct sk_buff *sent_cmd; |
Suraj Sumangala | cd4c539 | 2010-07-14 13:02:16 +0530 | [diff] [blame] | 244 | struct sk_buff *reassembly[NUM_REASSEMBLY]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | |
Thomas Gleixner | a6a67ef | 2009-07-26 08:18:19 +0000 | [diff] [blame] | 246 | struct mutex req_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | wait_queue_head_t req_wait_q; |
| 248 | __u32 req_status; |
| 249 | __u32 req_result; |
Johan Hedberg | a5040ef | 2011-01-10 13:28:59 +0200 | [diff] [blame] | 250 | |
| 251 | __u16 init_last_cmd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | |
Johan Hedberg | 2e58ef3 | 2011-11-08 20:40:15 +0200 | [diff] [blame] | 253 | struct list_head mgmt_pending; |
| 254 | |
Johan Hedberg | 3088351 | 2012-01-04 14:16:21 +0200 | [diff] [blame] | 255 | struct discovery_state discovery; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | struct hci_conn_hash conn_hash; |
David Miller | ea4bd8b | 2010-07-30 21:54:49 -0700 | [diff] [blame] | 257 | struct list_head blacklist; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | |
Johan Hedberg | 2aeb9a1 | 2011-01-04 12:08:51 +0200 | [diff] [blame] | 259 | struct list_head uuids; |
| 260 | |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 261 | struct list_head link_keys; |
| 262 | |
Vinicius Costa Gomes | b899efa | 2012-02-02 21:08:00 -0300 | [diff] [blame] | 263 | struct list_head long_term_keys; |
| 264 | |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 265 | struct list_head remote_oob_data; |
| 266 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | struct hci_dev_stats stat; |
| 268 | |
| 269 | struct sk_buff_head driver_init; |
| 270 | |
Andrei Emeltchenko | 70f23020 | 2010-12-01 16:58:25 +0200 | [diff] [blame] | 271 | atomic_t promisc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | |
Marcel Holtmann | ca325f6 | 2010-02-08 16:22:31 +0100 | [diff] [blame] | 273 | struct dentry *debugfs; |
| 274 | |
Marcel Holtmann | a91f2e3 | 2006-07-03 10:02:41 +0200 | [diff] [blame] | 275 | struct device dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | |
Marcel Holtmann | 611b30f | 2009-06-08 14:41:38 +0200 | [diff] [blame] | 277 | struct rfkill *rfkill; |
| 278 | |
Andre Guedes | d23264a | 2011-11-25 20:53:38 -0300 | [diff] [blame] | 279 | unsigned long dev_flags; |
| 280 | |
Andre Guedes | 7ba8b4b | 2012-02-03 17:47:59 -0300 | [diff] [blame] | 281 | struct delayed_work le_scan_disable; |
| 282 | |
Andre Guedes | 28b75a8 | 2012-02-03 17:48:00 -0300 | [diff] [blame] | 283 | struct work_struct le_scan; |
| 284 | struct le_scan_params le_scan_params; |
| 285 | |
Johan Hedberg | 8fa1909 | 2012-10-19 20:57:49 +0300 | [diff] [blame] | 286 | __s8 adv_tx_power; |
Johan Hedberg | 3f0f524 | 2012-11-08 01:23:00 +0100 | [diff] [blame] | 287 | __u8 adv_data[HCI_MAX_AD_LENGTH]; |
| 288 | __u8 adv_data_len; |
Johan Hedberg | 8fa1909 | 2012-10-19 20:57:49 +0300 | [diff] [blame] | 289 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | int (*open)(struct hci_dev *hdev); |
| 291 | int (*close)(struct hci_dev *hdev); |
| 292 | int (*flush)(struct hci_dev *hdev); |
| 293 | int (*send)(struct sk_buff *skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | void (*notify)(struct hci_dev *hdev, unsigned int evt); |
| 295 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); |
| 296 | }; |
| 297 | |
Andrei Emeltchenko | 53502d6 | 2012-10-10 17:38:27 +0300 | [diff] [blame] | 298 | #define HCI_PHY_HANDLE(handle) (handle & 0xff) |
| 299 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | struct hci_conn { |
| 301 | struct list_head list; |
| 302 | |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 303 | atomic_t refcnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 305 | bdaddr_t dst; |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 306 | __u8 dst_type; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 307 | __u16 handle; |
| 308 | __u16 state; |
| 309 | __u8 mode; |
| 310 | __u8 type; |
Johan Hedberg | a0c808b | 2012-01-16 09:49:58 +0200 | [diff] [blame] | 311 | bool out; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 312 | __u8 attempt; |
| 313 | __u8 dev_class[3]; |
| 314 | __u8 features[8]; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 315 | __u16 interval; |
| 316 | __u16 pkt_type; |
| 317 | __u16 link_policy; |
| 318 | __u32 link_mode; |
Waldemar Rymarkiewicz | 13d3931 | 2011-04-28 12:07:55 +0200 | [diff] [blame] | 319 | __u8 key_type; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 320 | __u8 auth_type; |
| 321 | __u8 sec_level; |
| 322 | __u8 pending_sec_level; |
| 323 | __u8 pin_length; |
Vinicius Costa Gomes | 726b4ff | 2011-07-08 18:31:45 -0300 | [diff] [blame] | 324 | __u8 enc_key_size; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 325 | __u8 io_capability; |
Johan Hedberg | 92a2525 | 2012-09-06 18:39:26 +0300 | [diff] [blame] | 326 | __u32 passkey_notify; |
| 327 | __u8 passkey_entered; |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 328 | __u16 disc_timeout; |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 329 | unsigned long flags; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 330 | |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 331 | __u8 remote_cap; |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 332 | __u8 remote_auth; |
Andrei Emeltchenko | 3161ae1 | 2012-09-27 17:26:11 +0300 | [diff] [blame] | 333 | __u8 remote_id; |
Vishal Agarwal | 6ec5bca | 2012-04-16 14:44:44 +0530 | [diff] [blame] | 334 | bool flush_key; |
Johan Hedberg | 03b555e | 2011-01-04 15:40:05 +0200 | [diff] [blame] | 335 | |
Szymon Janc | adc4266 | 2011-02-17 16:42:00 +0100 | [diff] [blame] | 336 | unsigned int sent; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 337 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | struct sk_buff_head data_q; |
Gustavo F. Padovan | 2c33c06 | 2011-12-14 13:02:51 -0200 | [diff] [blame] | 339 | struct list_head chan_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | |
Gustavo F. Padovan | 19c40e3 | 2011-06-17 13:03:21 -0300 | [diff] [blame] | 341 | struct delayed_work disc_work; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 342 | struct timer_list idle_timer; |
Johan Hedberg | 9f61656 | 2011-04-28 11:28:54 -0700 | [diff] [blame] | 343 | struct timer_list auto_accept_timer; |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 344 | |
Marcel Holtmann | b219e3a | 2006-07-06 12:38:46 +0200 | [diff] [blame] | 345 | struct device dev; |
Marcel Holtmann | 9eba32b | 2009-08-22 14:19:26 -0700 | [diff] [blame] | 346 | atomic_t devref; |
Marcel Holtmann | b219e3a | 2006-07-06 12:38:46 +0200 | [diff] [blame] | 347 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 348 | struct hci_dev *hdev; |
| 349 | void *l2cap_data; |
| 350 | void *sco_data; |
Brian Gix | 2b64d15 | 2011-12-21 16:12:12 -0800 | [diff] [blame] | 351 | void *smp_conn; |
Andrei Emeltchenko | 9740e49 | 2012-05-29 13:59:02 +0300 | [diff] [blame] | 352 | struct amp_mgr *amp_mgr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | |
| 354 | struct hci_conn *link; |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 355 | |
| 356 | void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); |
| 357 | void (*security_cfm_cb) (struct hci_conn *conn, u8 status); |
| 358 | void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 359 | }; |
| 360 | |
Luiz Augusto von Dentz | 73d80de | 2011-11-02 15:52:01 +0200 | [diff] [blame] | 361 | struct hci_chan { |
| 362 | struct list_head list; |
Andrei Emeltchenko | 42c4e53 | 2012-10-10 17:38:28 +0300 | [diff] [blame] | 363 | __u16 handle; |
Luiz Augusto von Dentz | 73d80de | 2011-11-02 15:52:01 +0200 | [diff] [blame] | 364 | struct hci_conn *conn; |
| 365 | struct sk_buff_head data_q; |
| 366 | unsigned int sent; |
Mat Martineau | 168df8e | 2012-10-23 15:24:13 -0700 | [diff] [blame] | 367 | __u8 state; |
Luiz Augusto von Dentz | 73d80de | 2011-11-02 15:52:01 +0200 | [diff] [blame] | 368 | }; |
| 369 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | extern struct list_head hci_dev_list; |
| 371 | extern struct list_head hci_cb_list; |
| 372 | extern rwlock_t hci_dev_list_lock; |
| 373 | extern rwlock_t hci_cb_list_lock; |
| 374 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 375 | /* ----- HCI interface to upper protocols ----- */ |
| 376 | extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); |
Andrei Emeltchenko | 9e66463 | 2012-07-24 16:06:15 +0300 | [diff] [blame] | 377 | extern void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 378 | extern int l2cap_disconn_ind(struct hci_conn *hcon); |
Andrei Emeltchenko | 9e66463 | 2012-07-24 16:06:15 +0300 | [diff] [blame] | 379 | extern void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 380 | extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); |
Gustavo Padovan | c3c7ea6 | 2012-05-23 04:04:20 -0300 | [diff] [blame] | 381 | extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, |
| 382 | u16 flags); |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 383 | |
Frédéric Dalleau | 20714bf | 2012-11-21 10:51:12 +0100 | [diff] [blame] | 384 | extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); |
Andrei Emeltchenko | 9e66463 | 2012-07-24 16:06:15 +0300 | [diff] [blame] | 385 | extern void sco_connect_cfm(struct hci_conn *hcon, __u8 status); |
| 386 | extern void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 387 | extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); |
| 388 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | /* ----- Inquiry cache ----- */ |
Andrei Emeltchenko | 70f23020 | 2010-12-01 16:58:25 +0200 | [diff] [blame] | 390 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
| 391 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | |
Johan Hedberg | 3088351 | 2012-01-04 14:16:21 +0200 | [diff] [blame] | 393 | static inline void discovery_init(struct hci_dev *hdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | { |
Johan Hedberg | ff9ef57 | 2012-01-04 14:23:45 +0200 | [diff] [blame] | 395 | hdev->discovery.state = DISCOVERY_STOPPED; |
Johan Hedberg | 3088351 | 2012-01-04 14:16:21 +0200 | [diff] [blame] | 396 | INIT_LIST_HEAD(&hdev->discovery.all); |
| 397 | INIT_LIST_HEAD(&hdev->discovery.unknown); |
| 398 | INIT_LIST_HEAD(&hdev->discovery.resolve); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | } |
| 400 | |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 401 | bool hci_discovery_active(struct hci_dev *hdev); |
| 402 | |
Johan Hedberg | ff9ef57 | 2012-01-04 14:23:45 +0200 | [diff] [blame] | 403 | void hci_discovery_set_state(struct hci_dev *hdev, int state); |
| 404 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | static inline int inquiry_cache_empty(struct hci_dev *hdev) |
| 406 | { |
Johan Hedberg | 3088351 | 2012-01-04 14:16:21 +0200 | [diff] [blame] | 407 | return list_empty(&hdev->discovery.all); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | static inline long inquiry_cache_age(struct hci_dev *hdev) |
| 411 | { |
Johan Hedberg | 3088351 | 2012-01-04 14:16:21 +0200 | [diff] [blame] | 412 | struct discovery_state *c = &hdev->discovery; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | return jiffies - c->timestamp; |
| 414 | } |
| 415 | |
| 416 | static inline long inquiry_entry_age(struct inquiry_entry *e) |
| 417 | { |
| 418 | return jiffies - e->timestamp; |
| 419 | } |
| 420 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 421 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 422 | bdaddr_t *bdaddr); |
Johan Hedberg | 561aafb | 2012-01-04 13:31:59 +0200 | [diff] [blame] | 423 | struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 424 | bdaddr_t *bdaddr); |
Johan Hedberg | 30dc78e | 2012-01-04 15:44:20 +0200 | [diff] [blame] | 425 | struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 426 | bdaddr_t *bdaddr, |
| 427 | int state); |
Johan Hedberg | a3d4e20 | 2012-01-09 00:53:02 +0200 | [diff] [blame] | 428 | void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 429 | struct inquiry_entry *ie); |
Johan Hedberg | 3175405 | 2012-01-04 13:39:52 +0200 | [diff] [blame] | 430 | bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 431 | bool name_known, bool *ssp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | |
| 433 | /* ----- HCI Connections ----- */ |
| 434 | enum { |
| 435 | HCI_CONN_AUTH_PEND, |
Waldemar Rymarkiewicz | 19f8def | 2011-05-31 15:49:25 +0200 | [diff] [blame] | 436 | HCI_CONN_REAUTH_PEND, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | HCI_CONN_ENCRYPT_PEND, |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 438 | HCI_CONN_RSWITCH_PEND, |
| 439 | HCI_CONN_MODE_CHANGE_PEND, |
Marcel Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 440 | HCI_CONN_SCO_SETUP_PEND, |
Vinicius Costa Gomes | d26a234 | 2011-08-19 21:06:51 -0300 | [diff] [blame] | 441 | HCI_CONN_LE_SMP_PEND, |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 442 | HCI_CONN_MGMT_CONNECTED, |
Johan Hedberg | 58a681e | 2012-01-16 06:47:28 +0200 | [diff] [blame] | 443 | HCI_CONN_SSP_ENABLED, |
| 444 | HCI_CONN_POWER_SAVE, |
| 445 | HCI_CONN_REMOTE_OOB, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | }; |
| 447 | |
Johan Hedberg | aa64a8b | 2012-01-18 21:33:12 +0200 | [diff] [blame] | 448 | static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) |
| 449 | { |
| 450 | struct hci_dev *hdev = conn->hdev; |
Gustavo Padovan | c3c7ea6 | 2012-05-23 04:04:20 -0300 | [diff] [blame] | 451 | return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && |
| 452 | test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); |
Johan Hedberg | aa64a8b | 2012-01-18 21:33:12 +0200 | [diff] [blame] | 453 | } |
| 454 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) |
| 456 | { |
| 457 | struct hci_conn_hash *h = &hdev->conn_hash; |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 458 | list_add_rcu(&c->list, &h->list); |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 459 | switch (c->type) { |
| 460 | case ACL_LINK: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | h->acl_num++; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 462 | break; |
Andrei Emeltchenko | bd1eb66 | 2012-10-10 17:38:30 +0300 | [diff] [blame] | 463 | case AMP_LINK: |
| 464 | h->amp_num++; |
| 465 | break; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 466 | case LE_LINK: |
| 467 | h->le_num++; |
| 468 | break; |
| 469 | case SCO_LINK: |
| 470 | case ESCO_LINK: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 471 | h->sco_num++; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 472 | break; |
| 473 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | } |
| 475 | |
| 476 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) |
| 477 | { |
| 478 | struct hci_conn_hash *h = &hdev->conn_hash; |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 479 | |
| 480 | list_del_rcu(&c->list); |
| 481 | synchronize_rcu(); |
| 482 | |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 483 | switch (c->type) { |
| 484 | case ACL_LINK: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | h->acl_num--; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 486 | break; |
Andrei Emeltchenko | bd1eb66 | 2012-10-10 17:38:30 +0300 | [diff] [blame] | 487 | case AMP_LINK: |
| 488 | h->amp_num--; |
| 489 | break; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 490 | case LE_LINK: |
| 491 | h->le_num--; |
| 492 | break; |
| 493 | case SCO_LINK: |
| 494 | case ESCO_LINK: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | h->sco_num--; |
Ville Tervo | fcd89c0 | 2011-02-10 22:38:47 -0300 | [diff] [blame] | 496 | break; |
| 497 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | } |
| 499 | |
Luiz Augusto von Dentz | 52087a7 | 2011-08-17 16:23:00 +0300 | [diff] [blame] | 500 | static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) |
| 501 | { |
| 502 | struct hci_conn_hash *h = &hdev->conn_hash; |
| 503 | switch (type) { |
| 504 | case ACL_LINK: |
| 505 | return h->acl_num; |
Andrei Emeltchenko | bd1eb66 | 2012-10-10 17:38:30 +0300 | [diff] [blame] | 506 | case AMP_LINK: |
| 507 | return h->amp_num; |
Luiz Augusto von Dentz | 52087a7 | 2011-08-17 16:23:00 +0300 | [diff] [blame] | 508 | case LE_LINK: |
| 509 | return h->le_num; |
| 510 | case SCO_LINK: |
| 511 | case ESCO_LINK: |
| 512 | return h->sco_num; |
| 513 | default: |
| 514 | return 0; |
| 515 | } |
| 516 | } |
| 517 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | 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] | 519 | __u16 handle) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | { |
| 521 | struct hci_conn_hash *h = &hdev->conn_hash; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | struct hci_conn *c; |
| 523 | |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 524 | rcu_read_lock(); |
| 525 | |
| 526 | list_for_each_entry_rcu(c, &h->list, list) { |
| 527 | if (c->handle == handle) { |
| 528 | rcu_read_unlock(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 529 | return c; |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 530 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | } |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 532 | rcu_read_unlock(); |
| 533 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | return NULL; |
| 535 | } |
| 536 | |
| 537 | 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] | 538 | __u8 type, bdaddr_t *ba) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | { |
| 540 | struct hci_conn_hash *h = &hdev->conn_hash; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 541 | struct hci_conn *c; |
| 542 | |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 543 | rcu_read_lock(); |
| 544 | |
| 545 | list_for_each_entry_rcu(c, &h->list, list) { |
| 546 | if (c->type == type && !bacmp(&c->dst, ba)) { |
| 547 | rcu_read_unlock(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 548 | return c; |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 549 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 550 | } |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 551 | |
| 552 | rcu_read_unlock(); |
| 553 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 554 | return NULL; |
| 555 | } |
| 556 | |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 557 | 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] | 558 | __u8 type, __u16 state) |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 559 | { |
| 560 | struct hci_conn_hash *h = &hdev->conn_hash; |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 561 | struct hci_conn *c; |
| 562 | |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 563 | rcu_read_lock(); |
| 564 | |
| 565 | list_for_each_entry_rcu(c, &h->list, list) { |
| 566 | if (c->type == type && c->state == state) { |
| 567 | rcu_read_unlock(); |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 568 | return c; |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 569 | } |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 570 | } |
Gustavo F. Padovan | bf4c632 | 2011-12-14 22:54:12 -0200 | [diff] [blame] | 571 | |
| 572 | rcu_read_unlock(); |
| 573 | |
Marcel Holtmann | 4c67bc7 | 2006-10-15 17:30:56 +0200 | [diff] [blame] | 574 | return NULL; |
| 575 | } |
| 576 | |
Andre Guedes | bed7174 | 2013-01-30 11:50:56 -0300 | [diff] [blame] | 577 | void hci_disconnect(struct hci_conn *conn, __u8 reason); |
Marcel Holtmann | b6a0dc8 | 2007-10-20 14:55:10 +0200 | [diff] [blame] | 578 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
Marcel Holtmann | e73439d | 2010-07-26 10:06:00 -0400 | [diff] [blame] | 579 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 580 | |
| 581 | 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] | 582 | int hci_conn_del(struct hci_conn *conn); |
| 583 | void hci_conn_hash_flush(struct hci_dev *hdev); |
| 584 | void hci_conn_check_pending(struct hci_dev *hdev); |
Frédéric Dalleau | 20714bf | 2012-11-21 10:51:12 +0100 | [diff] [blame] | 585 | void hci_conn_accept(struct hci_conn *conn, int mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 586 | |
Luiz Augusto von Dentz | 73d80de | 2011-11-02 15:52:01 +0200 | [diff] [blame] | 587 | struct hci_chan *hci_chan_create(struct hci_conn *conn); |
Andrei Emeltchenko | 9472007 | 2012-09-06 15:05:43 +0300 | [diff] [blame] | 588 | void hci_chan_del(struct hci_chan *chan); |
Gustavo F. Padovan | 2c33c06 | 2011-12-14 13:02:51 -0200 | [diff] [blame] | 589 | void hci_chan_list_flush(struct hci_conn *conn); |
Andrei Emeltchenko | 42c4e53 | 2012-10-10 17:38:28 +0300 | [diff] [blame] | 590 | struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); |
Luiz Augusto von Dentz | 73d80de | 2011-11-02 15:52:01 +0200 | [diff] [blame] | 591 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 592 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, |
Andre Guedes | b12f62c | 2012-04-24 21:02:54 -0300 | [diff] [blame] | 593 | __u8 dst_type, __u8 sec_level, __u8 auth_type); |
Marcel Holtmann | e7c29cb | 2008-09-09 07:19:20 +0200 | [diff] [blame] | 594 | int hci_conn_check_link_mode(struct hci_conn *conn); |
Waldemar Rymarkiewicz | b3b1b06 | 2011-05-06 09:42:31 +0200 | [diff] [blame] | 595 | int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); |
Marcel Holtmann | 0684e5f | 2009-02-09 02:48:38 +0100 | [diff] [blame] | 596 | 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] | 597 | int hci_conn_change_link_key(struct hci_conn *conn); |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 598 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | |
Jaikumar Ganesh | 14b12d0 | 2011-05-23 18:06:04 -0700 | [diff] [blame] | 600 | 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] | 601 | |
Marcel Holtmann | 9eba32b | 2009-08-22 14:19:26 -0700 | [diff] [blame] | 602 | void hci_conn_hold_device(struct hci_conn *conn); |
| 603 | void hci_conn_put_device(struct hci_conn *conn); |
| 604 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 605 | static inline void hci_conn_hold(struct hci_conn *conn) |
| 606 | { |
Andrei Emeltchenko | 71becf0 | 2012-07-19 17:03:42 +0300 | [diff] [blame] | 607 | BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); |
Andrei Emeltchenko | 38b3fef | 2012-06-15 11:50:28 +0300 | [diff] [blame] | 608 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | atomic_inc(&conn->refcnt); |
Andre Guedes | 2f304d1 | 2012-01-27 19:42:02 -0300 | [diff] [blame] | 610 | cancel_delayed_work(&conn->disc_work); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 611 | } |
| 612 | |
| 613 | static inline void hci_conn_put(struct hci_conn *conn) |
| 614 | { |
Andrei Emeltchenko | 71becf0 | 2012-07-19 17:03:42 +0300 | [diff] [blame] | 615 | BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); |
Andrei Emeltchenko | 38b3fef | 2012-06-15 11:50:28 +0300 | [diff] [blame] | 616 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 617 | if (atomic_dec_and_test(&conn->refcnt)) { |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 618 | unsigned long timeo; |
Andrei Emeltchenko | 716e4ab | 2012-10-10 17:38:31 +0300 | [diff] [blame] | 619 | |
| 620 | switch (conn->type) { |
| 621 | case ACL_LINK: |
| 622 | case LE_LINK: |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 623 | del_timer(&conn->idle_timer); |
Marcel Holtmann | 6ac5934 | 2006-09-26 09:43:48 +0200 | [diff] [blame] | 624 | if (conn->state == BT_CONNECTED) { |
Andrei Emeltchenko | 5f246e8 | 2012-06-11 11:13:07 +0300 | [diff] [blame] | 625 | timeo = conn->disc_timeout; |
Marcel Holtmann | 6ac5934 | 2006-09-26 09:43:48 +0200 | [diff] [blame] | 626 | if (!conn->out) |
Marcel Holtmann | 052b30b | 2009-04-26 20:01:22 +0200 | [diff] [blame] | 627 | timeo *= 2; |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 628 | } else { |
Marcel Holtmann | 6ac5934 | 2006-09-26 09:43:48 +0200 | [diff] [blame] | 629 | timeo = msecs_to_jiffies(10); |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 630 | } |
Andrei Emeltchenko | 716e4ab | 2012-10-10 17:38:31 +0300 | [diff] [blame] | 631 | break; |
| 632 | |
| 633 | case AMP_LINK: |
| 634 | timeo = conn->disc_timeout; |
| 635 | break; |
| 636 | |
| 637 | default: |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 638 | timeo = msecs_to_jiffies(10); |
Andrei Emeltchenko | 716e4ab | 2012-10-10 17:38:31 +0300 | [diff] [blame] | 639 | break; |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 640 | } |
Andrei Emeltchenko | 716e4ab | 2012-10-10 17:38:31 +0300 | [diff] [blame] | 641 | |
Andre Guedes | 2f304d1 | 2012-01-27 19:42:02 -0300 | [diff] [blame] | 642 | cancel_delayed_work(&conn->disc_work); |
Gustavo F. Padovan | 19c40e3 | 2011-06-17 13:03:21 -0300 | [diff] [blame] | 643 | queue_delayed_work(conn->hdev->workqueue, |
Andrei Emeltchenko | 716e4ab | 2012-10-10 17:38:31 +0300 | [diff] [blame] | 644 | &conn->disc_work, timeo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 645 | } |
| 646 | } |
| 647 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 648 | /* ----- HCI Devices ----- */ |
David Herrmann | dc946bd | 2012-01-07 15:47:24 +0100 | [diff] [blame] | 649 | static inline void hci_dev_put(struct hci_dev *d) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 650 | { |
Andrei Emeltchenko | 376261a | 2012-09-06 15:05:45 +0300 | [diff] [blame] | 651 | BT_DBG("%s orig refcnt %d", d->name, |
| 652 | atomic_read(&d->dev.kobj.kref.refcount)); |
| 653 | |
David Herrmann | 4c724c7 | 2012-01-07 15:47:23 +0100 | [diff] [blame] | 654 | put_device(&d->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | } |
| 656 | |
David Herrmann | dc946bd | 2012-01-07 15:47:24 +0100 | [diff] [blame] | 657 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 658 | { |
Andrei Emeltchenko | 376261a | 2012-09-06 15:05:45 +0300 | [diff] [blame] | 659 | BT_DBG("%s orig refcnt %d", d->name, |
| 660 | atomic_read(&d->dev.kobj.kref.refcount)); |
| 661 | |
David Herrmann | 4c724c7 | 2012-01-07 15:47:23 +0100 | [diff] [blame] | 662 | get_device(&d->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 663 | return d; |
| 664 | } |
| 665 | |
Gustavo F. Padovan | 09fd0de | 2011-06-17 13:03:21 -0300 | [diff] [blame] | 666 | #define hci_dev_lock(d) mutex_lock(&d->lock) |
| 667 | #define hci_dev_unlock(d) mutex_unlock(&d->lock) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 668 | |
David Herrmann | aa2b86d | 2012-02-09 21:58:30 +0100 | [diff] [blame] | 669 | #define to_hci_dev(d) container_of(d, struct hci_dev, dev) |
David Herrmann | 3dc0732 | 2012-02-09 21:58:33 +0100 | [diff] [blame] | 670 | #define to_hci_conn(c) container_of(c, struct hci_conn, dev) |
David Herrmann | aa2b86d | 2012-02-09 21:58:30 +0100 | [diff] [blame] | 671 | |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 672 | static inline void *hci_get_drvdata(struct hci_dev *hdev) |
| 673 | { |
| 674 | return dev_get_drvdata(&hdev->dev); |
| 675 | } |
| 676 | |
| 677 | static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) |
| 678 | { |
| 679 | dev_set_drvdata(&hdev->dev, data); |
| 680 | } |
| 681 | |
Andrei Emeltchenko | 8598d06 | 2012-05-29 13:59:09 +0300 | [diff] [blame] | 682 | /* hci_dev_list shall be locked */ |
| 683 | static inline uint8_t __hci_num_ctrl(void) |
| 684 | { |
| 685 | uint8_t count = 0; |
| 686 | struct list_head *p; |
| 687 | |
| 688 | list_for_each(p, &hci_dev_list) { |
| 689 | count++; |
| 690 | } |
| 691 | |
| 692 | return count; |
| 693 | } |
| 694 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 695 | struct hci_dev *hci_dev_get(int index); |
Johan Hedberg | 0c0afed | 2012-11-01 13:27:26 +0200 | [diff] [blame] | 696 | struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | |
| 698 | struct hci_dev *hci_alloc_dev(void); |
| 699 | void hci_free_dev(struct hci_dev *hdev); |
| 700 | int hci_register_dev(struct hci_dev *hdev); |
David Herrmann | 5973563 | 2011-10-26 10:43:19 +0200 | [diff] [blame] | 701 | void hci_unregister_dev(struct hci_dev *hdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 702 | int hci_suspend_dev(struct hci_dev *hdev); |
| 703 | int hci_resume_dev(struct hci_dev *hdev); |
| 704 | int hci_dev_open(__u16 dev); |
| 705 | int hci_dev_close(__u16 dev); |
| 706 | int hci_dev_reset(__u16 dev); |
| 707 | int hci_dev_reset_stat(__u16 dev); |
| 708 | int hci_dev_cmd(unsigned int cmd, void __user *arg); |
| 709 | int hci_get_dev_list(void __user *arg); |
| 710 | int hci_get_dev_info(void __user *arg); |
| 711 | int hci_get_conn_list(void __user *arg); |
| 712 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); |
Marcel Holtmann | 40be492 | 2008-07-14 20:13:50 +0200 | [diff] [blame] | 713 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | int hci_inquiry(void __user *arg); |
| 715 | |
Gustavo Padovan | c3c7ea6 | 2012-05-23 04:04:20 -0300 | [diff] [blame] | 716 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, |
| 717 | bdaddr_t *bdaddr); |
Johan Hedberg | f035856 | 2010-05-18 13:20:32 +0200 | [diff] [blame] | 718 | int hci_blacklist_clear(struct hci_dev *hdev); |
Johan Hedberg | 88c1fe4 | 2012-02-09 15:56:11 +0200 | [diff] [blame] | 719 | int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
| 720 | 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] | 721 | |
Johan Hedberg | 2aeb9a1 | 2011-01-04 12:08:51 +0200 | [diff] [blame] | 722 | int hci_uuids_clear(struct hci_dev *hdev); |
| 723 | |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 724 | int hci_link_keys_clear(struct hci_dev *hdev); |
| 725 | 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] | 726 | int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 727 | bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); |
Vinicius Costa Gomes | c9839a1 | 2012-02-02 21:08:01 -0300 | [diff] [blame] | 728 | struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); |
| 729 | int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, |
Andrei Emeltchenko | 9a00665 | 2012-03-09 12:12:12 +0200 | [diff] [blame] | 730 | int new_key, u8 authenticated, u8 tk[16], u8 enc_size, |
| 731 | __le16 ediv, u8 rand[8]); |
Vinicius Costa Gomes | c9839a1 | 2012-02-02 21:08:01 -0300 | [diff] [blame] | 732 | struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 733 | u8 addr_type); |
Vinicius Costa Gomes | b899efa | 2012-02-02 21:08:00 -0300 | [diff] [blame] | 734 | int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); |
Vinicius Costa Gomes | b899efa | 2012-02-02 21:08:00 -0300 | [diff] [blame] | 735 | int hci_smp_ltks_clear(struct hci_dev *hdev); |
Johan Hedberg | 55ed8ca1 | 2011-01-17 14:41:05 +0200 | [diff] [blame] | 736 | int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 737 | |
Szymon Janc | 2763eda | 2011-03-22 13:12:22 +0100 | [diff] [blame] | 738 | int hci_remote_oob_data_clear(struct hci_dev *hdev); |
| 739 | struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, |
| 740 | bdaddr_t *bdaddr); |
| 741 | int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, |
| 742 | u8 *randomizer); |
| 743 | int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); |
| 744 | |
Johan Hedberg | 3f0f524 | 2012-11-08 01:23:00 +0100 | [diff] [blame] | 745 | int hci_update_ad(struct hci_dev *hdev); |
| 746 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 747 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
| 748 | |
Marcel Holtmann | 76bca88 | 2009-11-18 00:40:39 +0100 | [diff] [blame] | 749 | int hci_recv_frame(struct sk_buff *skb); |
Marcel Holtmann | ef22201 | 2007-07-11 06:42:04 +0200 | [diff] [blame] | 750 | 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] | 751 | 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] | 752 | |
David Herrmann | 0ac7e70 | 2011-10-08 14:58:47 +0200 | [diff] [blame] | 753 | void hci_init_sysfs(struct hci_dev *hdev); |
David Herrmann | ce24297 | 2011-10-08 14:58:48 +0200 | [diff] [blame] | 754 | int hci_add_sysfs(struct hci_dev *hdev); |
| 755 | void hci_del_sysfs(struct hci_dev *hdev); |
Marcel Holtmann | a67e899 | 2009-05-02 18:24:06 -0700 | [diff] [blame] | 756 | void hci_conn_init_sysfs(struct hci_conn *conn); |
Marcel Holtmann | b219e3a | 2006-07-06 12:38:46 +0200 | [diff] [blame] | 757 | void hci_conn_add_sysfs(struct hci_conn *conn); |
| 758 | void hci_conn_del_sysfs(struct hci_conn *conn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | |
David Herrmann | 6935e0f | 2012-03-09 15:53:42 +0100 | [diff] [blame] | 760 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 761 | |
| 762 | /* ----- LMP capabilities ----- */ |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 763 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) |
Johan Hedberg | 761f09e | 2012-10-24 21:12:00 +0300 | [diff] [blame] | 764 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
| 765 | #define lmp_hold_capable(dev) ((dev)->features[0] & LMP_HOLD) |
Marcel Holtmann | 04837f6 | 2006-07-03 10:02:33 +0200 | [diff] [blame] | 766 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) |
Johan Hedberg | 761f09e | 2012-10-24 21:12:00 +0300 | [diff] [blame] | 767 | #define lmp_park_capable(dev) ((dev)->features[1] & LMP_PARK) |
| 768 | #define lmp_inq_rssi_capable(dev) ((dev)->features[3] & LMP_RSSI_INQ) |
Marcel Holtmann | 5b7f990 | 2007-07-11 09:51:55 +0200 | [diff] [blame] | 769 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
Johan Hedberg | 761f09e | 2012-10-24 21:12:00 +0300 | [diff] [blame] | 770 | #define lmp_bredr_capable(dev) (!((dev)->features[4] & LMP_NO_BREDR)) |
| 771 | #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) |
| 772 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) |
| 773 | #define lmp_pause_enc_capable(dev) ((dev)->features[5] & LMP_PAUSE_ENC) |
| 774 | #define lmp_ext_inq_capable(dev) ((dev)->features[6] & LMP_EXT_INQ) |
Gustavo Padovan | ffa88e0 | 2012-11-23 16:50:51 -0200 | [diff] [blame] | 775 | #define lmp_le_br_capable(dev) !!((dev)->features[6] & LMP_SIMUL_LE_BR) |
Marcel Holtmann | 769be97 | 2008-07-14 20:13:49 +0200 | [diff] [blame] | 776 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
Andrei Emeltchenko | e702112 | 2011-01-03 11:14:36 +0200 | [diff] [blame] | 777 | #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) |
Johan Hedberg | 761f09e | 2012-10-24 21:12:00 +0300 | [diff] [blame] | 778 | #define lmp_lsto_capable(dev) ((dev)->features[7] & LMP_LSTO) |
| 779 | #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[7] & LMP_INQ_TX_PWR) |
| 780 | #define lmp_ext_feat_capable(dev) ((dev)->features[7] & LMP_EXTFEATURES) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | |
Andre Guedes | eead27d | 2011-06-30 19:20:55 -0300 | [diff] [blame] | 782 | /* ----- Extended LMP capabilities ----- */ |
Johan Hedberg | 6b4b73e | 2012-10-25 00:09:52 +0300 | [diff] [blame] | 783 | #define lmp_host_ssp_capable(dev) ((dev)->host_features[0] & LMP_HOST_SSP) |
Gustavo Padovan | ffa88e0 | 2012-11-23 16:50:51 -0200 | [diff] [blame] | 784 | #define lmp_host_le_capable(dev) !!((dev)->host_features[0] & LMP_HOST_LE) |
| 785 | #define lmp_host_le_br_capable(dev) !!((dev)->host_features[0] & LMP_HOST_LE_BREDR) |
Andre Guedes | eead27d | 2011-06-30 19:20:55 -0300 | [diff] [blame] | 786 | |
Andrei Emeltchenko | 5d05416 | 2012-11-29 17:46:05 +0200 | [diff] [blame] | 787 | /* returns true if at least one AMP active */ |
| 788 | static inline bool hci_amp_capable(void) |
| 789 | { |
| 790 | struct hci_dev *hdev; |
| 791 | bool ret = false; |
| 792 | |
| 793 | read_lock(&hci_dev_list_lock); |
| 794 | list_for_each_entry(hdev, &hci_dev_list, list) |
| 795 | if (hdev->amp_type == HCI_AMP && |
| 796 | test_bit(HCI_UP, &hdev->flags)) |
| 797 | ret = true; |
| 798 | read_unlock(&hci_dev_list_lock); |
| 799 | |
| 800 | return ret; |
| 801 | } |
| 802 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | /* ----- HCI protocols ----- */ |
Frédéric Dalleau | 20714bf | 2012-11-21 10:51:12 +0100 | [diff] [blame] | 804 | #define HCI_PROTO_DEFER 0x01 |
| 805 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 806 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Frédéric Dalleau | 20714bf | 2012-11-21 10:51:12 +0100 | [diff] [blame] | 807 | __u8 type, __u8 *flags) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 808 | { |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 809 | switch (type) { |
| 810 | case ACL_LINK: |
| 811 | return l2cap_connect_ind(hdev, bdaddr); |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 812 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 813 | case SCO_LINK: |
| 814 | case ESCO_LINK: |
Frédéric Dalleau | 20714bf | 2012-11-21 10:51:12 +0100 | [diff] [blame] | 815 | return sco_connect_ind(hdev, bdaddr, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 816 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 817 | default: |
| 818 | BT_ERR("unknown link type %d", type); |
| 819 | return -EINVAL; |
| 820 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | } |
| 822 | |
| 823 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) |
| 824 | { |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 825 | switch (conn->type) { |
| 826 | case ACL_LINK: |
| 827 | case LE_LINK: |
| 828 | l2cap_connect_cfm(conn, status); |
| 829 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 830 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 831 | case SCO_LINK: |
| 832 | case ESCO_LINK: |
| 833 | sco_connect_cfm(conn, status); |
| 834 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 835 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 836 | default: |
| 837 | BT_ERR("unknown link type %d", conn->type); |
| 838 | break; |
| 839 | } |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 840 | |
| 841 | if (conn->connect_cfm_cb) |
| 842 | conn->connect_cfm_cb(conn, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 843 | } |
| 844 | |
Marcel Holtmann | 2950f21 | 2009-02-12 14:02:50 +0100 | [diff] [blame] | 845 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
| 846 | { |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 847 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
| 848 | return HCI_ERROR_REMOTE_USER_TERM; |
Marcel Holtmann | 2950f21 | 2009-02-12 14:02:50 +0100 | [diff] [blame] | 849 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 850 | return l2cap_disconn_ind(conn); |
Marcel Holtmann | 2950f21 | 2009-02-12 14:02:50 +0100 | [diff] [blame] | 851 | } |
| 852 | |
| 853 | 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] | 854 | { |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 855 | switch (conn->type) { |
| 856 | case ACL_LINK: |
| 857 | case LE_LINK: |
| 858 | l2cap_disconn_cfm(conn, reason); |
| 859 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 860 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 861 | case SCO_LINK: |
| 862 | case ESCO_LINK: |
| 863 | sco_disconn_cfm(conn, reason); |
| 864 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 865 | |
Andrei Emeltchenko | bd1eb66 | 2012-10-10 17:38:30 +0300 | [diff] [blame] | 866 | /* L2CAP would be handled for BREDR chan */ |
| 867 | case AMP_LINK: |
| 868 | break; |
| 869 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 870 | default: |
| 871 | BT_ERR("unknown link type %d", conn->type); |
| 872 | break; |
| 873 | } |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 874 | |
| 875 | if (conn->disconn_cfm_cb) |
| 876 | conn->disconn_cfm_cb(conn, reason); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 877 | } |
| 878 | |
| 879 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) |
| 880 | { |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 881 | __u8 encrypt; |
| 882 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 883 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
| 884 | return; |
| 885 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 886 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 887 | return; |
| 888 | |
| 889 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 890 | l2cap_security_cfm(conn, status, encrypt); |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 891 | |
| 892 | if (conn->security_cfm_cb) |
| 893 | conn->security_cfm_cb(conn, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 894 | } |
| 895 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 896 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, |
| 897 | __u8 encrypt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 898 | { |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 899 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
| 900 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 901 | |
Ulisses Furquim | 686ebf2 | 2011-12-21 10:11:33 -0200 | [diff] [blame] | 902 | l2cap_security_cfm(conn, status, encrypt); |
Johan Hedberg | e9a416b | 2011-02-19 12:05:56 -0300 | [diff] [blame] | 903 | |
| 904 | if (conn->security_cfm_cb) |
| 905 | conn->security_cfm_cb(conn, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 906 | } |
| 907 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 908 | /* ----- HCI callbacks ----- */ |
| 909 | struct hci_cb { |
| 910 | struct list_head list; |
| 911 | |
| 912 | char *name; |
| 913 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 914 | void (*security_cfm) (struct hci_conn *conn, __u8 status, |
| 915 | __u8 encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 916 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
| 917 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); |
| 918 | }; |
| 919 | |
| 920 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) |
| 921 | { |
Denis Kirjanov | 711584e | 2012-10-22 17:22:01 +0400 | [diff] [blame] | 922 | struct hci_cb *cb; |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 923 | __u8 encrypt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 924 | |
| 925 | hci_proto_auth_cfm(conn, status); |
| 926 | |
Johan Hedberg | 51a8efd | 2012-01-16 06:10:31 +0200 | [diff] [blame] | 927 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 928 | return; |
| 929 | |
| 930 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; |
| 931 | |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 932 | read_lock(&hci_cb_list_lock); |
Denis Kirjanov | 711584e | 2012-10-22 17:22:01 +0400 | [diff] [blame] | 933 | list_for_each_entry(cb, &hci_cb_list, list) { |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 934 | if (cb->security_cfm) |
| 935 | cb->security_cfm(conn, status, encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 936 | } |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 937 | read_unlock(&hci_cb_list_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 938 | } |
| 939 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 940 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, |
| 941 | __u8 encrypt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 942 | { |
Denis Kirjanov | 711584e | 2012-10-22 17:22:01 +0400 | [diff] [blame] | 943 | struct hci_cb *cb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 944 | |
Marcel Holtmann | 435fef2 | 2009-02-09 03:55:28 +0100 | [diff] [blame] | 945 | if (conn->sec_level == BT_SECURITY_SDP) |
| 946 | conn->sec_level = BT_SECURITY_LOW; |
| 947 | |
Vinicius Costa Gomes | 88167ae | 2011-06-09 18:50:51 -0300 | [diff] [blame] | 948 | if (conn->pending_sec_level > conn->sec_level) |
| 949 | conn->sec_level = conn->pending_sec_level; |
| 950 | |
Marcel Holtmann | 9719f8a | 2008-07-14 20:13:45 +0200 | [diff] [blame] | 951 | hci_proto_encrypt_cfm(conn, status, encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 952 | |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 953 | read_lock(&hci_cb_list_lock); |
Denis Kirjanov | 711584e | 2012-10-22 17:22:01 +0400 | [diff] [blame] | 954 | list_for_each_entry(cb, &hci_cb_list, list) { |
Marcel Holtmann | 8c1b235 | 2009-01-15 21:58:04 +0100 | [diff] [blame] | 955 | if (cb->security_cfm) |
| 956 | cb->security_cfm(conn, status, encrypt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 957 | } |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 958 | read_unlock(&hci_cb_list_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | } |
| 960 | |
| 961 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) |
| 962 | { |
Denis Kirjanov | 711584e | 2012-10-22 17:22:01 +0400 | [diff] [blame] | 963 | struct hci_cb *cb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 964 | |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 965 | read_lock(&hci_cb_list_lock); |
Denis Kirjanov | 711584e | 2012-10-22 17:22:01 +0400 | [diff] [blame] | 966 | list_for_each_entry(cb, &hci_cb_list, list) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | if (cb->key_change_cfm) |
| 968 | cb->key_change_cfm(conn, status); |
| 969 | } |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 970 | read_unlock(&hci_cb_list_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 971 | } |
| 972 | |
Waldemar Rymarkiewicz | 5a9d0a3 | 2011-06-07 11:18:06 +0200 | [diff] [blame] | 973 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, |
| 974 | __u8 role) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | { |
Denis Kirjanov | 711584e | 2012-10-22 17:22:01 +0400 | [diff] [blame] | 976 | struct hci_cb *cb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 977 | |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 978 | read_lock(&hci_cb_list_lock); |
Denis Kirjanov | 711584e | 2012-10-22 17:22:01 +0400 | [diff] [blame] | 979 | list_for_each_entry(cb, &hci_cb_list, list) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 980 | if (cb->role_switch_cfm) |
| 981 | cb->role_switch_cfm(conn, status, role); |
| 982 | } |
Gustavo F. Padovan | f20d09d | 2011-12-22 16:30:27 -0200 | [diff] [blame] | 983 | read_unlock(&hci_cb_list_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 984 | } |
| 985 | |
Johan Hedberg | 6759a67 | 2012-01-15 20:51:14 +0200 | [diff] [blame] | 986 | static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) |
| 987 | { |
Johan Hedberg | 84d9d07 | 2012-03-26 14:21:41 +0300 | [diff] [blame] | 988 | size_t parsed = 0; |
Johan Hedberg | 6759a67 | 2012-01-15 20:51:14 +0200 | [diff] [blame] | 989 | |
Johan Hedberg | 6c0c331 | 2012-03-26 14:21:42 +0300 | [diff] [blame] | 990 | if (data_len < 2) |
| 991 | return false; |
| 992 | |
Johan Hedberg | 84d9d07 | 2012-03-26 14:21:41 +0300 | [diff] [blame] | 993 | while (parsed < data_len - 1) { |
| 994 | u8 field_len = data[0]; |
Johan Hedberg | 6759a67 | 2012-01-15 20:51:14 +0200 | [diff] [blame] | 995 | |
| 996 | if (field_len == 0) |
| 997 | break; |
| 998 | |
| 999 | parsed += field_len + 1; |
| 1000 | |
| 1001 | if (parsed > data_len) |
| 1002 | break; |
| 1003 | |
| 1004 | if (data[1] == type) |
| 1005 | return true; |
| 1006 | |
| 1007 | data += field_len + 1; |
| 1008 | } |
| 1009 | |
| 1010 | return false; |
| 1011 | } |
| 1012 | |
Vishal Agarwal | 9d939d9 | 2012-04-26 19:19:56 +0530 | [diff] [blame] | 1013 | static inline size_t eir_get_length(u8 *eir, size_t eir_len) |
| 1014 | { |
| 1015 | size_t parsed = 0; |
| 1016 | |
| 1017 | while (parsed < eir_len) { |
| 1018 | u8 field_len = eir[0]; |
| 1019 | |
| 1020 | if (field_len == 0) |
| 1021 | return parsed; |
| 1022 | |
| 1023 | parsed += field_len + 1; |
| 1024 | eir += field_len + 1; |
| 1025 | } |
| 1026 | |
| 1027 | return eir_len; |
| 1028 | } |
| 1029 | |
Johan Hedberg | 1dc0609 | 2012-01-15 21:01:23 +0200 | [diff] [blame] | 1030 | static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1031 | u8 data_len) |
Johan Hedberg | 1dc0609 | 2012-01-15 21:01:23 +0200 | [diff] [blame] | 1032 | { |
| 1033 | eir[eir_len++] = sizeof(type) + data_len; |
| 1034 | eir[eir_len++] = type; |
| 1035 | memcpy(&eir[eir_len], data, data_len); |
| 1036 | eir_len += data_len; |
| 1037 | |
| 1038 | return eir_len; |
| 1039 | } |
| 1040 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1041 | int hci_register_cb(struct hci_cb *hcb); |
| 1042 | int hci_unregister_cb(struct hci_cb *hcb); |
| 1043 | |
Johan Hedberg | 3119ae9 | 2013-03-05 20:37:44 +0200 | [diff] [blame^] | 1044 | struct hci_request { |
| 1045 | struct hci_dev *hdev; |
| 1046 | struct sk_buff_head cmd_q; |
| 1047 | }; |
| 1048 | |
| 1049 | void hci_req_init(struct hci_request *req, struct hci_dev *hdev); |
| 1050 | int hci_req_run(struct hci_request *req, hci_req_complete_t complete); |
| 1051 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1052 | 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] | 1053 | 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] | 1054 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1055 | |
Marcel Holtmann | a9de924 | 2007-10-20 13:33:56 +0200 | [diff] [blame] | 1056 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1057 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1058 | /* ----- HCI Sockets ----- */ |
Marcel Holtmann | 470fe1b | 2012-02-20 14:50:30 +0100 | [diff] [blame] | 1059 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); |
| 1060 | void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); |
Marcel Holtmann | cd82e61 | 2012-02-20 20:34:38 +0100 | [diff] [blame] | 1061 | void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1062 | |
Marcel Holtmann | 040030e | 2012-02-20 14:50:37 +0100 | [diff] [blame] | 1063 | void hci_sock_dev_event(struct hci_dev *hdev, int event); |
| 1064 | |
Johan Hedberg | 0381101 | 2010-12-08 00:21:06 +0200 | [diff] [blame] | 1065 | /* Management interface */ |
Andre Guedes | 591f47f | 2012-04-24 21:02:49 -0300 | [diff] [blame] | 1066 | #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) |
| 1067 | #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ |
| 1068 | BIT(BDADDR_LE_RANDOM)) |
| 1069 | #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ |
| 1070 | BIT(BDADDR_LE_PUBLIC) | \ |
| 1071 | BIT(BDADDR_LE_RANDOM)) |
Andre Guedes | f39799f | 2012-02-17 20:39:35 -0300 | [diff] [blame] | 1072 | |
Johan Hedberg | 0381101 | 2010-12-08 00:21:06 +0200 | [diff] [blame] | 1073 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 1074 | int mgmt_index_added(struct hci_dev *hdev); |
| 1075 | int mgmt_index_removed(struct hci_dev *hdev); |
| 1076 | int mgmt_powered(struct hci_dev *hdev, u8 powered); |
| 1077 | int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); |
| 1078 | int mgmt_connectable(struct hci_dev *hdev, u8 connectable); |
| 1079 | int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); |
| 1080 | int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, |
Vishal Agarwal | 745c0ce | 2012-04-13 17:43:22 +0530 | [diff] [blame] | 1081 | bool persistent); |
Johan Hedberg | afc747a | 2012-01-15 18:11:07 +0200 | [diff] [blame] | 1082 | int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1083 | u8 addr_type, u32 flags, u8 *name, u8 name_len, |
| 1084 | u8 *dev_class); |
Johan Hedberg | afc747a | 2012-01-15 18:11:07 +0200 | [diff] [blame] | 1085 | int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Mikel Astiz | f0d6a0e | 2012-08-09 09:52:30 +0200 | [diff] [blame] | 1086 | u8 link_type, u8 addr_type, u8 reason); |
Johan Hedberg | 88c3df1 | 2012-02-09 14:27:38 +0200 | [diff] [blame] | 1087 | int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1088 | u8 link_type, u8 addr_type, u8 status); |
Johan Hedberg | 48264f0 | 2011-11-09 13:58:58 +0200 | [diff] [blame] | 1089 | int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1090 | u8 addr_type, u8 status); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 1091 | int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); |
| 1092 | int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1093 | u8 status); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 1094 | int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1095 | u8 status); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 1096 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1097 | u8 link_type, u8 addr_type, __le32 value, |
| 1098 | u8 confirm_hint); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 1099 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1100 | u8 link_type, u8 addr_type, u8 status); |
Johan Hedberg | 272d90d | 2012-02-09 15:26:12 +0200 | [diff] [blame] | 1101 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1102 | u8 link_type, u8 addr_type, u8 status); |
Johan Hedberg | 272d90d | 2012-02-09 15:26:12 +0200 | [diff] [blame] | 1103 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1104 | u8 link_type, u8 addr_type); |
Brian Gix | 604086b | 2011-11-23 08:28:33 -0800 | [diff] [blame] | 1105 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1106 | u8 link_type, u8 addr_type, u8 status); |
Johan Hedberg | 272d90d | 2012-02-09 15:26:12 +0200 | [diff] [blame] | 1107 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1108 | u8 link_type, u8 addr_type, u8 status); |
Johan Hedberg | 92a2525 | 2012-09-06 18:39:26 +0300 | [diff] [blame] | 1109 | int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| 1110 | u8 link_type, u8 addr_type, u32 passkey, |
| 1111 | u8 entered); |
Johan Hedberg | bab73cb | 2012-02-09 16:07:29 +0200 | [diff] [blame] | 1112 | int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1113 | u8 addr_type, u8 status); |
Johan Hedberg | 33ef95e | 2012-02-16 23:56:27 +0200 | [diff] [blame] | 1114 | int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); |
Johan Hedberg | c0ecddc | 2012-02-22 12:38:31 +0200 | [diff] [blame] | 1115 | int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); |
Marcel Holtmann | 7f9a903 | 2012-02-22 18:38:01 +0100 | [diff] [blame] | 1116 | int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1117 | u8 status); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 1118 | int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); |
| 1119 | int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1120 | u8 *randomizer, u8 status); |
Johan Hedberg | 06199cf | 2012-02-22 16:37:11 +0200 | [diff] [blame] | 1121 | int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); |
Johan Hedberg | 48264f0 | 2011-11-09 13:58:58 +0200 | [diff] [blame] | 1122 | int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1123 | u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, |
| 1124 | u8 ssp, u8 *eir, u16 eir_len); |
Johan Hedberg | b644ba3 | 2012-01-17 21:48:47 +0200 | [diff] [blame] | 1125 | int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1126 | u8 addr_type, s8 rssi, u8 *name, u8 name_len); |
Andre Guedes | 7a13510 | 2011-11-09 17:14:25 -0300 | [diff] [blame] | 1127 | int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status); |
Andre Guedes | e6d465c | 2011-11-09 17:14:26 -0300 | [diff] [blame] | 1128 | int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status); |
Johan Hedberg | 744cf19 | 2011-11-08 20:40:14 +0200 | [diff] [blame] | 1129 | int mgmt_discovering(struct hci_dev *hdev, u8 discovering); |
Andre Guedes | 5e0452c | 2012-02-17 20:39:38 -0300 | [diff] [blame] | 1130 | int mgmt_interleaved_discovery(struct hci_dev *hdev); |
Johan Hedberg | 88c1fe4 | 2012-02-09 15:56:11 +0200 | [diff] [blame] | 1131 | int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
| 1132 | int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
Andrei Emeltchenko | bb4b2a9 | 2012-07-19 17:03:40 +0300 | [diff] [blame] | 1133 | bool mgmt_valid_hdev(struct hci_dev *hdev); |
Vinicius Costa Gomes | 346af67 | 2012-02-02 21:08:02 -0300 | [diff] [blame] | 1134 | int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); |
| 1135 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1136 | /* HCI info for socket */ |
| 1137 | #define hci_pi(sk) ((struct hci_pinfo *) sk) |
| 1138 | |
| 1139 | struct hci_pinfo { |
| 1140 | struct bt_sock bt; |
| 1141 | struct hci_dev *hdev; |
| 1142 | struct hci_filter filter; |
| 1143 | __u32 cmsg_mask; |
Johan Hedberg | c02178d | 2010-12-08 00:21:05 +0200 | [diff] [blame] | 1144 | unsigned short channel; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1145 | }; |
| 1146 | |
| 1147 | /* HCI security filter */ |
| 1148 | #define HCI_SFLT_MAX_OGF 5 |
| 1149 | |
| 1150 | struct hci_sec_filter { |
| 1151 | __u32 type_mask; |
| 1152 | __u32 event_mask[2]; |
| 1153 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; |
| 1154 | }; |
| 1155 | |
| 1156 | /* ----- HCI requests ----- */ |
| 1157 | #define HCI_REQ_DONE 0 |
| 1158 | #define HCI_REQ_PEND 1 |
| 1159 | #define HCI_REQ_CANCELED 2 |
| 1160 | |
Thomas Gleixner | a6a67ef | 2009-07-26 08:18:19 +0000 | [diff] [blame] | 1161 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
| 1162 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1163 | |
Johan Hedberg | 23bb576 | 2010-12-21 23:01:27 +0200 | [diff] [blame] | 1164 | void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1165 | |
Claudio Takahasi | 2ce603e | 2011-02-16 20:44:53 -0200 | [diff] [blame] | 1166 | void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, |
| 1167 | u16 latency, u16 to_multiplier); |
Vinicius Costa Gomes | a7a595f | 2011-06-09 18:50:47 -0300 | [diff] [blame] | 1168 | void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], |
| 1169 | __u8 ltk[16]); |
Andre Guedes | 2519a1f | 2011-11-07 11:45:24 -0300 | [diff] [blame] | 1170 | int hci_do_inquiry(struct hci_dev *hdev, u8 length); |
Andre Guedes | 023d5049 | 2011-11-04 14:16:52 -0300 | [diff] [blame] | 1171 | int hci_cancel_inquiry(struct hci_dev *hdev); |
Andre Guedes | 28b75a8 | 2012-02-03 17:48:00 -0300 | [diff] [blame] | 1172 | int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window, |
Gustavo F. Padovan | 0412468 | 2012-03-08 01:25:00 -0300 | [diff] [blame] | 1173 | int timeout); |
Andre Guedes | 7dbfac1 | 2012-03-15 16:52:07 -0300 | [diff] [blame] | 1174 | int hci_cancel_le_scan(struct hci_dev *hdev); |
Andre Guedes | 2519a1f | 2011-11-07 11:45:24 -0300 | [diff] [blame] | 1175 | |
Andre Guedes | 31f7956 | 2012-04-24 21:02:53 -0300 | [diff] [blame] | 1176 | u8 bdaddr_to_le(u8 bdaddr_type); |
| 1177 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1178 | #endif /* __HCI_CORE_H */ |