2010-05-28 23:53:45 +08:00
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/*
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2005-04-17 06:20:36 +08:00
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BlueZ - Bluetooth protocol stack for Linux
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2010-05-28 23:53:46 +08:00
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Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
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2005-04-17 06:20:36 +08:00
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Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2 as
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published by the Free Software Foundation;
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
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2010-05-28 23:53:45 +08:00
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CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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2005-04-17 06:20:36 +08:00
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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2010-05-28 23:53:45 +08:00
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ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
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COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
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2005-04-17 06:20:36 +08:00
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SOFTWARE IS DISCLAIMED.
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*/
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#ifndef __HCI_CORE_H
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#define __HCI_CORE_H
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2011-06-06 18:43:46 +08:00
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#include <linux/interrupt.h>
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2005-04-17 06:20:36 +08:00
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#include <net/bluetooth/hci.h>
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2011-11-01 16:58:57 +08:00
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/* HCI priority */
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#define HCI_PRIO_MAX 7
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2005-04-17 06:20:36 +08:00
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/* HCI Core structures */
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struct inquiry_data {
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bdaddr_t bdaddr;
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__u8 pscan_rep_mode;
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__u8 pscan_period_mode;
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__u8 pscan_mode;
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__u8 dev_class[3];
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2005-11-09 01:57:21 +08:00
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__le16 clock_offset;
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2005-04-17 06:20:36 +08:00
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__s8 rssi;
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2008-07-15 02:13:48 +08:00
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__u8 ssp_mode;
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2005-04-17 06:20:36 +08:00
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};
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struct inquiry_entry {
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2012-01-04 19:31:59 +08:00
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struct list_head all; /* inq_cache.all */
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struct list_head list; /* unknown or resolve */
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enum {
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NAME_NOT_KNOWN,
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NAME_NEEDED,
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NAME_PENDING,
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NAME_KNOWN,
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} name_state;
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2005-04-17 06:20:36 +08:00
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__u32 timestamp;
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struct inquiry_data data;
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};
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2012-01-04 20:16:21 +08:00
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struct discovery_state {
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2012-01-04 20:23:45 +08:00
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enum {
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DISCOVERY_STOPPED,
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DISCOVERY_STARTING,
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2012-01-04 21:44:20 +08:00
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DISCOVERY_INQUIRY,
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2012-02-04 04:47:57 +08:00
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DISCOVERY_LE_SCAN,
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2012-01-04 21:44:20 +08:00
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DISCOVERY_RESOLVING,
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2012-01-04 20:23:45 +08:00
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DISCOVERY_STOPPING,
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} state;
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2012-01-04 19:31:59 +08:00
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struct list_head all; /* All devices found during inquiry */
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struct list_head unknown; /* Name state not known */
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struct list_head resolve; /* Name needs to be resolved */
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__u32 timestamp;
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2005-04-17 06:20:36 +08:00
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};
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struct hci_conn_hash {
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struct list_head list;
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unsigned int acl_num;
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unsigned int sco_num;
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2011-02-11 09:38:47 +08:00
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unsigned int le_num;
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2005-04-17 06:20:36 +08:00
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};
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2010-05-18 19:20:32 +08:00
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struct bdaddr_list {
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struct list_head list;
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bdaddr_t bdaddr;
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};
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2011-01-04 18:08:51 +08:00
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struct bt_uuid {
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struct list_head list;
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u8 uuid[16];
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2011-01-14 03:56:52 +08:00
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u8 svc_hint;
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2011-01-04 18:08:51 +08:00
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};
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2012-02-03 08:08:00 +08:00
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struct smp_ltk {
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struct list_head list;
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bdaddr_t bdaddr;
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u8 bdaddr_type;
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u8 authenticated;
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u8 type;
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u8 enc_size;
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__le16 ediv;
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u8 rand[8];
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u8 val[16];
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} __packed;
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2011-01-17 20:41:05 +08:00
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struct link_key {
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struct list_head list;
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bdaddr_t bdaddr;
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u8 type;
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u8 val[16];
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u8 pin_len;
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};
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2011-03-22 20:12:22 +08:00
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struct oob_data {
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struct list_head list;
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bdaddr_t bdaddr;
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u8 hash[16];
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u8 randomizer[16];
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};
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2011-05-27 03:23:50 +08:00
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struct adv_entry {
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struct list_head list;
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bdaddr_t bdaddr;
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u8 bdaddr_type;
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};
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2012-02-04 04:47:59 +08:00
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struct le_scan_params {
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u8 type;
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u16 interval;
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u16 window;
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2012-02-04 04:48:00 +08:00
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int timeout;
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2012-02-04 04:47:59 +08:00
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};
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2010-07-14 15:32:16 +08:00
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#define NUM_REASSEMBLY 4
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2005-04-17 06:20:36 +08:00
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struct hci_dev {
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struct list_head list;
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2011-06-18 00:03:21 +08:00
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struct mutex lock;
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2005-04-17 06:20:36 +08:00
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char name[8];
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unsigned long flags;
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__u16 id;
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2010-02-08 22:27:07 +08:00
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__u8 bus;
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2010-02-13 09:28:41 +08:00
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__u8 dev_type;
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2005-04-17 06:20:36 +08:00
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bdaddr_t bdaddr;
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2011-03-16 20:29:35 +08:00
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__u8 dev_name[HCI_MAX_NAME_LENGTH];
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2011-03-28 19:07:23 +08:00
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__u8 eir[HCI_MAX_EIR_LENGTH];
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2007-10-20 19:33:56 +08:00
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__u8 dev_class[3];
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2011-01-14 03:56:52 +08:00
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__u8 major_class;
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__u8 minor_class;
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2005-04-17 06:20:36 +08:00
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__u8 features[8];
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2011-12-30 21:34:03 +08:00
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__u8 host_features[8];
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2007-10-20 19:33:56 +08:00
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__u8 commands[64];
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2006-09-23 15:57:20 +08:00
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__u8 hci_ver;
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__u16 hci_rev;
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2011-01-25 07:19:58 +08:00
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__u8 lmp_ver;
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2006-09-23 15:57:20 +08:00
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__u16 manufacturer;
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2011-01-25 07:19:58 +08:00
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__le16 lmp_subver;
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2005-04-17 06:20:36 +08:00
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__u16 voice_setting;
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2011-01-25 19:28:33 +08:00
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__u8 io_capability;
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2005-04-17 06:20:36 +08:00
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__u16 pkt_type;
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2007-07-11 15:51:55 +08:00
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__u16 esco_type;
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2005-04-17 06:20:36 +08:00
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__u16 link_policy;
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__u16 link_mode;
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2006-07-03 16:02:33 +08:00
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__u32 idle_timeout;
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__u16 sniff_min_interval;
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__u16 sniff_max_interval;
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2011-10-12 15:53:57 +08:00
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__u8 amp_status;
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__u32 amp_total_bw;
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__u32 amp_max_bw;
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__u32 amp_min_latency;
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__u32 amp_max_pdu;
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__u8 amp_type;
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__u16 amp_pal_cap;
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__u16 amp_assoc_size;
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__u32 amp_max_flush_to;
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__u32 amp_be_flush_to;
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2011-11-24 20:52:02 +08:00
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__u8 flow_ctl_mode;
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2011-04-29 02:28:54 +08:00
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unsigned int auto_accept_delay;
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2005-04-17 06:20:36 +08:00
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unsigned long quirks;
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atomic_t cmd_cnt;
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unsigned int acl_cnt;
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unsigned int sco_cnt;
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2011-02-11 09:38:48 +08:00
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unsigned int le_cnt;
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2005-04-17 06:20:36 +08:00
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unsigned int acl_mtu;
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unsigned int sco_mtu;
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2011-02-11 09:38:48 +08:00
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unsigned int le_mtu;
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2005-04-17 06:20:36 +08:00
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unsigned int acl_pkts;
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unsigned int sco_pkts;
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2011-02-11 09:38:48 +08:00
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unsigned int le_pkts;
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2005-04-17 06:20:36 +08:00
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2011-12-07 21:56:51 +08:00
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__u16 block_len;
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__u16 block_mtu;
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__u16 num_blocks;
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__u16 block_cnt;
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2005-04-17 06:20:36 +08:00
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unsigned long acl_last_tx;
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unsigned long sco_last_tx;
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2011-02-11 09:38:48 +08:00
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unsigned long le_last_tx;
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2005-04-17 06:20:36 +08:00
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2010-03-20 22:20:04 +08:00
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struct workqueue_struct *workqueue;
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2010-12-15 19:53:18 +08:00
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struct work_struct power_on;
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2011-11-08 04:16:04 +08:00
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struct delayed_work power_off;
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2010-12-15 19:53:18 +08:00
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2011-11-08 04:16:02 +08:00
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__u16 discov_timeout;
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struct delayed_work discov_off;
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2011-12-15 06:47:39 +08:00
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struct delayed_work service_cache;
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2011-02-16 22:32:41 +08:00
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struct timer_list cmd_timer;
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2010-08-09 11:06:53 +08:00
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struct work_struct rx_work;
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2011-12-15 09:53:47 +08:00
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struct work_struct cmd_work;
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2011-12-15 10:50:02 +08:00
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struct work_struct tx_work;
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2005-04-17 06:20:36 +08:00
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struct sk_buff_head rx_q;
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struct sk_buff_head raw_q;
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struct sk_buff_head cmd_q;
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struct sk_buff *sent_cmd;
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2010-07-14 15:32:16 +08:00
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struct sk_buff *reassembly[NUM_REASSEMBLY];
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2005-04-17 06:20:36 +08:00
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2009-07-26 16:18:19 +08:00
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struct mutex req_lock;
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2005-04-17 06:20:36 +08:00
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wait_queue_head_t req_wait_q;
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__u32 req_status;
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__u32 req_result;
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2011-01-10 19:28:59 +08:00
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__u16 init_last_cmd;
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2005-04-17 06:20:36 +08:00
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2011-11-09 02:40:15 +08:00
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struct list_head mgmt_pending;
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2012-01-04 20:16:21 +08:00
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struct discovery_state discovery;
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2005-04-17 06:20:36 +08:00
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struct hci_conn_hash conn_hash;
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2010-07-31 12:54:49 +08:00
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struct list_head blacklist;
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2005-04-17 06:20:36 +08:00
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2011-01-04 18:08:51 +08:00
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struct list_head uuids;
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2011-01-17 20:41:05 +08:00
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struct list_head link_keys;
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2012-02-03 08:08:00 +08:00
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struct list_head long_term_keys;
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2011-03-22 20:12:22 +08:00
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struct list_head remote_oob_data;
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2011-05-27 03:23:50 +08:00
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struct list_head adv_entries;
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2011-06-21 03:39:29 +08:00
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struct delayed_work adv_work;
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2011-05-27 03:23:50 +08:00
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2005-04-17 06:20:36 +08:00
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struct hci_dev_stats stat;
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struct sk_buff_head driver_init;
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void *driver_data;
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void *core_data;
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2010-12-01 22:58:25 +08:00
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atomic_t promisc;
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2005-04-17 06:20:36 +08:00
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2010-02-08 23:22:31 +08:00
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struct dentry *debugfs;
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2006-07-03 16:02:41 +08:00
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struct device *parent;
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struct device dev;
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2005-04-17 06:20:36 +08:00
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2009-06-08 20:41:38 +08:00
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struct rfkill *rfkill;
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2011-11-26 07:53:38 +08:00
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unsigned long dev_flags;
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2012-02-04 04:47:59 +08:00
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struct delayed_work le_scan_disable;
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2012-02-04 04:48:00 +08:00
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struct work_struct le_scan;
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struct le_scan_params le_scan_params;
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2005-04-17 06:20:36 +08:00
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int (*open)(struct hci_dev *hdev);
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int (*close)(struct hci_dev *hdev);
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int (*flush)(struct hci_dev *hdev);
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int (*send)(struct sk_buff *skb);
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void (*notify)(struct hci_dev *hdev, unsigned int evt);
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int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
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};
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struct hci_conn {
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struct list_head list;
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2011-02-17 23:42:00 +08:00
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atomic_t refcnt;
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bdaddr_t dst;
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2011-06-07 17:18:06 +08:00
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__u8 dst_type;
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2011-02-17 23:42:00 +08:00
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__u16 handle;
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__u16 state;
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__u8 mode;
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__u8 type;
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2012-01-16 15:49:58 +08:00
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bool out;
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2011-02-17 23:42:00 +08:00
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__u8 attempt;
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__u8 dev_class[3];
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__u8 features[8];
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__u16 interval;
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__u16 pkt_type;
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__u16 link_policy;
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__u32 link_mode;
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2011-04-28 18:07:55 +08:00
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__u8 key_type;
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2011-02-17 23:42:00 +08:00
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__u8 auth_type;
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__u8 sec_level;
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__u8 pending_sec_level;
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__u8 pin_length;
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2011-07-09 05:31:45 +08:00
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__u8 enc_key_size;
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2011-02-17 23:42:00 +08:00
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__u8 io_capability;
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__u16 disc_timeout;
|
2012-01-16 12:10:31 +08:00
|
|
|
unsigned long flags;
|
2006-07-03 16:02:33 +08:00
|
|
|
|
2011-01-04 21:40:05 +08:00
|
|
|
__u8 remote_cap;
|
|
|
|
__u8 remote_auth;
|
|
|
|
|
2011-02-17 23:42:00 +08:00
|
|
|
unsigned int sent;
|
2006-07-03 16:02:33 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
struct sk_buff_head data_q;
|
2011-12-14 23:02:51 +08:00
|
|
|
struct list_head chan_list;
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2011-06-18 00:03:21 +08:00
|
|
|
struct delayed_work disc_work;
|
2006-07-03 16:02:33 +08:00
|
|
|
struct timer_list idle_timer;
|
2011-04-29 02:28:54 +08:00
|
|
|
struct timer_list auto_accept_timer;
|
2006-07-03 16:02:33 +08:00
|
|
|
|
2006-07-06 18:38:46 +08:00
|
|
|
struct device dev;
|
2009-08-23 05:19:26 +08:00
|
|
|
atomic_t devref;
|
2006-07-06 18:38:46 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
struct hci_dev *hdev;
|
|
|
|
void *l2cap_data;
|
|
|
|
void *sco_data;
|
2011-12-22 08:12:12 +08:00
|
|
|
void *smp_conn;
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
struct hci_conn *link;
|
2011-02-19 23:05:56 +08:00
|
|
|
|
|
|
|
void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
|
|
|
|
void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
|
|
|
|
void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
|
2005-04-17 06:20:36 +08:00
|
|
|
};
|
|
|
|
|
2011-11-02 21:52:01 +08:00
|
|
|
struct hci_chan {
|
|
|
|
struct list_head list;
|
|
|
|
|
|
|
|
struct hci_conn *conn;
|
|
|
|
struct sk_buff_head data_q;
|
|
|
|
unsigned int sent;
|
|
|
|
};
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
extern struct list_head hci_dev_list;
|
|
|
|
extern struct list_head hci_cb_list;
|
|
|
|
extern rwlock_t hci_dev_list_lock;
|
|
|
|
extern rwlock_t hci_cb_list_lock;
|
|
|
|
|
2011-12-21 20:11:33 +08:00
|
|
|
/* ----- HCI interface to upper protocols ----- */
|
|
|
|
extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
|
|
|
extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status);
|
|
|
|
extern int l2cap_disconn_ind(struct hci_conn *hcon);
|
|
|
|
extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason);
|
|
|
|
extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt);
|
|
|
|
extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
|
|
|
|
|
|
|
|
extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
|
|
|
extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status);
|
|
|
|
extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason);
|
|
|
|
extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
/* ----- Inquiry cache ----- */
|
2010-12-01 22:58:25 +08:00
|
|
|
#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
|
|
|
|
#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2012-01-04 20:16:21 +08:00
|
|
|
static inline void discovery_init(struct hci_dev *hdev)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
2012-01-04 20:23:45 +08:00
|
|
|
hdev->discovery.state = DISCOVERY_STOPPED;
|
2012-01-04 20:16:21 +08:00
|
|
|
INIT_LIST_HEAD(&hdev->discovery.all);
|
|
|
|
INIT_LIST_HEAD(&hdev->discovery.unknown);
|
|
|
|
INIT_LIST_HEAD(&hdev->discovery.resolve);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2012-01-04 21:44:20 +08:00
|
|
|
bool hci_discovery_active(struct hci_dev *hdev);
|
|
|
|
|
2012-01-04 20:23:45 +08:00
|
|
|
void hci_discovery_set_state(struct hci_dev *hdev, int state);
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
static inline int inquiry_cache_empty(struct hci_dev *hdev)
|
|
|
|
{
|
2012-01-04 20:16:21 +08:00
|
|
|
return list_empty(&hdev->discovery.all);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline long inquiry_cache_age(struct hci_dev *hdev)
|
|
|
|
{
|
2012-01-04 20:16:21 +08:00
|
|
|
struct discovery_state *c = &hdev->discovery;
|
2005-04-17 06:20:36 +08:00
|
|
|
return jiffies - c->timestamp;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline long inquiry_entry_age(struct inquiry_entry *e)
|
|
|
|
{
|
|
|
|
return jiffies - e->timestamp;
|
|
|
|
}
|
|
|
|
|
2011-06-07 17:18:06 +08:00
|
|
|
struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
|
|
|
|
bdaddr_t *bdaddr);
|
2012-01-04 19:31:59 +08:00
|
|
|
struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
|
|
|
|
bdaddr_t *bdaddr);
|
2012-01-04 21:44:20 +08:00
|
|
|
struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
|
|
|
|
bdaddr_t *bdaddr,
|
|
|
|
int state);
|
2012-01-09 06:53:02 +08:00
|
|
|
void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
|
|
|
|
struct inquiry_entry *ie);
|
2012-01-04 19:39:52 +08:00
|
|
|
bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
|
2012-01-04 19:31:59 +08:00
|
|
|
bool name_known);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
/* ----- HCI Connections ----- */
|
|
|
|
enum {
|
|
|
|
HCI_CONN_AUTH_PEND,
|
2011-05-31 21:49:25 +08:00
|
|
|
HCI_CONN_REAUTH_PEND,
|
2005-04-17 06:20:36 +08:00
|
|
|
HCI_CONN_ENCRYPT_PEND,
|
2006-07-03 16:02:33 +08:00
|
|
|
HCI_CONN_RSWITCH_PEND,
|
|
|
|
HCI_CONN_MODE_CHANGE_PEND,
|
2010-07-26 22:06:00 +08:00
|
|
|
HCI_CONN_SCO_SETUP_PEND,
|
2011-08-20 08:06:51 +08:00
|
|
|
HCI_CONN_LE_SMP_PEND,
|
2012-01-18 03:48:47 +08:00
|
|
|
HCI_CONN_MGMT_CONNECTED,
|
2012-01-16 12:47:28 +08:00
|
|
|
HCI_CONN_SSP_ENABLED,
|
|
|
|
HCI_CONN_POWER_SAVE,
|
|
|
|
HCI_CONN_REMOTE_OOB,
|
2005-04-17 06:20:36 +08:00
|
|
|
};
|
|
|
|
|
2012-01-19 03:33:12 +08:00
|
|
|
static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
|
|
|
|
{
|
|
|
|
struct hci_dev *hdev = conn->hdev;
|
|
|
|
return (test_bit(HCI_SSP_ENABLED, &hdev->flags) &&
|
|
|
|
test_bit(HCI_CONN_SSP_ENABLED, &conn->flags));
|
|
|
|
}
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
static inline void hci_conn_hash_init(struct hci_dev *hdev)
|
|
|
|
{
|
|
|
|
struct hci_conn_hash *h = &hdev->conn_hash;
|
|
|
|
INIT_LIST_HEAD(&h->list);
|
|
|
|
h->acl_num = 0;
|
|
|
|
h->sco_num = 0;
|
2011-12-15 06:56:12 +08:00
|
|
|
h->le_num = 0;
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
|
|
|
|
{
|
|
|
|
struct hci_conn_hash *h = &hdev->conn_hash;
|
2011-12-15 08:54:12 +08:00
|
|
|
list_add_rcu(&c->list, &h->list);
|
2011-02-11 09:38:47 +08:00
|
|
|
switch (c->type) {
|
|
|
|
case ACL_LINK:
|
2005-04-17 06:20:36 +08:00
|
|
|
h->acl_num++;
|
2011-02-11 09:38:47 +08:00
|
|
|
break;
|
|
|
|
case LE_LINK:
|
|
|
|
h->le_num++;
|
|
|
|
break;
|
|
|
|
case SCO_LINK:
|
|
|
|
case ESCO_LINK:
|
2005-04-17 06:20:36 +08:00
|
|
|
h->sco_num++;
|
2011-02-11 09:38:47 +08:00
|
|
|
break;
|
|
|
|
}
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
|
|
|
|
{
|
|
|
|
struct hci_conn_hash *h = &hdev->conn_hash;
|
2011-12-15 08:54:12 +08:00
|
|
|
|
|
|
|
list_del_rcu(&c->list);
|
|
|
|
synchronize_rcu();
|
|
|
|
|
2011-02-11 09:38:47 +08:00
|
|
|
switch (c->type) {
|
|
|
|
case ACL_LINK:
|
2005-04-17 06:20:36 +08:00
|
|
|
h->acl_num--;
|
2011-02-11 09:38:47 +08:00
|
|
|
break;
|
|
|
|
case LE_LINK:
|
|
|
|
h->le_num--;
|
|
|
|
break;
|
|
|
|
case SCO_LINK:
|
|
|
|
case ESCO_LINK:
|
2005-04-17 06:20:36 +08:00
|
|
|
h->sco_num--;
|
2011-02-11 09:38:47 +08:00
|
|
|
break;
|
|
|
|
}
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2011-08-17 21:23:00 +08:00
|
|
|
static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
|
|
|
|
{
|
|
|
|
struct hci_conn_hash *h = &hdev->conn_hash;
|
|
|
|
switch (type) {
|
|
|
|
case ACL_LINK:
|
|
|
|
return h->acl_num;
|
|
|
|
case LE_LINK:
|
|
|
|
return h->le_num;
|
|
|
|
case SCO_LINK:
|
|
|
|
case ESCO_LINK:
|
|
|
|
return h->sco_num;
|
|
|
|
default:
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
|
2011-02-17 23:42:00 +08:00
|
|
|
__u16 handle)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct hci_conn_hash *h = &hdev->conn_hash;
|
|
|
|
struct hci_conn *c;
|
|
|
|
|
2011-12-15 08:54:12 +08:00
|
|
|
rcu_read_lock();
|
|
|
|
|
|
|
|
list_for_each_entry_rcu(c, &h->list, list) {
|
|
|
|
if (c->handle == handle) {
|
|
|
|
rcu_read_unlock();
|
2005-04-17 06:20:36 +08:00
|
|
|
return c;
|
2011-12-15 08:54:12 +08:00
|
|
|
}
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
2011-12-15 08:54:12 +08:00
|
|
|
rcu_read_unlock();
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
|
2011-02-17 23:42:00 +08:00
|
|
|
__u8 type, bdaddr_t *ba)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct hci_conn_hash *h = &hdev->conn_hash;
|
|
|
|
struct hci_conn *c;
|
|
|
|
|
2011-12-15 08:54:12 +08:00
|
|
|
rcu_read_lock();
|
|
|
|
|
|
|
|
list_for_each_entry_rcu(c, &h->list, list) {
|
|
|
|
if (c->type == type && !bacmp(&c->dst, ba)) {
|
|
|
|
rcu_read_unlock();
|
2005-04-17 06:20:36 +08:00
|
|
|
return c;
|
2011-12-15 08:54:12 +08:00
|
|
|
}
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
2011-12-15 08:54:12 +08:00
|
|
|
|
|
|
|
rcu_read_unlock();
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2006-10-15 23:30:56 +08:00
|
|
|
static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
|
2011-02-17 23:42:00 +08:00
|
|
|
__u8 type, __u16 state)
|
2006-10-15 23:30:56 +08:00
|
|
|
{
|
|
|
|
struct hci_conn_hash *h = &hdev->conn_hash;
|
|
|
|
struct hci_conn *c;
|
|
|
|
|
2011-12-15 08:54:12 +08:00
|
|
|
rcu_read_lock();
|
|
|
|
|
|
|
|
list_for_each_entry_rcu(c, &h->list, list) {
|
|
|
|
if (c->type == type && c->state == state) {
|
|
|
|
rcu_read_unlock();
|
2006-10-15 23:30:56 +08:00
|
|
|
return c;
|
2011-12-15 08:54:12 +08:00
|
|
|
}
|
2006-10-15 23:30:56 +08:00
|
|
|
}
|
2011-11-02 21:52:01 +08:00
|
|
|
|
2011-12-15 08:54:12 +08:00
|
|
|
rcu_read_unlock();
|
2011-11-02 21:52:01 +08:00
|
|
|
|
2006-10-15 23:30:56 +08:00
|
|
|
return NULL;
|
2011-11-02 21:52:01 +08:00
|
|
|
}
|
|
|
|
|
2006-10-15 23:30:56 +08:00
|
|
|
void hci_acl_connect(struct hci_conn *conn);
|
2005-04-17 06:20:36 +08:00
|
|
|
void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
|
|
|
|
void hci_add_sco(struct hci_conn *conn, __u16 handle);
|
2007-10-20 20:55:10 +08:00
|
|
|
void hci_setup_sync(struct hci_conn *conn, __u16 handle);
|
2010-07-26 22:06:00 +08:00
|
|
|
void hci_sco_setup(struct hci_conn *conn, __u8 status);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
|
2007-10-20 19:33:56 +08:00
|
|
|
int hci_conn_del(struct hci_conn *conn);
|
|
|
|
void hci_conn_hash_flush(struct hci_dev *hdev);
|
|
|
|
void hci_conn_check_pending(struct hci_dev *hdev);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2011-11-02 21:52:01 +08:00
|
|
|
struct hci_chan *hci_chan_create(struct hci_conn *conn);
|
|
|
|
int hci_chan_del(struct hci_chan *chan);
|
2011-12-14 23:02:51 +08:00
|
|
|
void hci_chan_list_flush(struct hci_conn *conn);
|
2011-11-02 21:52:01 +08:00
|
|
|
|
2011-06-07 17:18:06 +08:00
|
|
|
struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
|
|
|
|
__u8 sec_level, __u8 auth_type);
|
2008-09-09 13:19:20 +08:00
|
|
|
int hci_conn_check_link_mode(struct hci_conn *conn);
|
2011-05-06 15:42:31 +08:00
|
|
|
int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
|
2009-02-09 09:48:38 +08:00
|
|
|
int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
|
2005-04-17 06:20:36 +08:00
|
|
|
int hci_conn_change_link_key(struct hci_conn *conn);
|
2009-01-16 04:58:04 +08:00
|
|
|
int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2011-05-24 09:06:04 +08:00
|
|
|
void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2009-08-23 05:19:26 +08:00
|
|
|
void hci_conn_hold_device(struct hci_conn *conn);
|
|
|
|
void hci_conn_put_device(struct hci_conn *conn);
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
static inline void hci_conn_hold(struct hci_conn *conn)
|
|
|
|
{
|
|
|
|
atomic_inc(&conn->refcnt);
|
2012-01-28 06:42:02 +08:00
|
|
|
cancel_delayed_work(&conn->disc_work);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void hci_conn_put(struct hci_conn *conn)
|
|
|
|
{
|
|
|
|
if (atomic_dec_and_test(&conn->refcnt)) {
|
2006-07-03 16:02:33 +08:00
|
|
|
unsigned long timeo;
|
2011-08-20 08:06:52 +08:00
|
|
|
if (conn->type == ACL_LINK || conn->type == LE_LINK) {
|
2006-07-03 16:02:33 +08:00
|
|
|
del_timer(&conn->idle_timer);
|
2006-09-26 15:43:48 +08:00
|
|
|
if (conn->state == BT_CONNECTED) {
|
2009-04-27 02:01:22 +08:00
|
|
|
timeo = msecs_to_jiffies(conn->disc_timeout);
|
2006-09-26 15:43:48 +08:00
|
|
|
if (!conn->out)
|
2009-04-27 02:01:22 +08:00
|
|
|
timeo *= 2;
|
2011-06-07 17:18:06 +08:00
|
|
|
} else {
|
2006-09-26 15:43:48 +08:00
|
|
|
timeo = msecs_to_jiffies(10);
|
2011-06-07 17:18:06 +08:00
|
|
|
}
|
|
|
|
} else {
|
2006-07-03 16:02:33 +08:00
|
|
|
timeo = msecs_to_jiffies(10);
|
2011-06-07 17:18:06 +08:00
|
|
|
}
|
2012-01-28 06:42:02 +08:00
|
|
|
cancel_delayed_work(&conn->disc_work);
|
2011-06-18 00:03:21 +08:00
|
|
|
queue_delayed_work(conn->hdev->workqueue,
|
2012-01-04 22:57:17 +08:00
|
|
|
&conn->disc_work, timeo);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ----- HCI Devices ----- */
|
2012-01-07 22:47:24 +08:00
|
|
|
static inline void hci_dev_put(struct hci_dev *d)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
2012-01-07 22:47:23 +08:00
|
|
|
put_device(&d->dev);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2012-01-07 22:47:24 +08:00
|
|
|
static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
2012-01-07 22:47:23 +08:00
|
|
|
get_device(&d->dev);
|
2005-04-17 06:20:36 +08:00
|
|
|
return d;
|
|
|
|
}
|
|
|
|
|
2011-06-18 00:03:21 +08:00
|
|
|
#define hci_dev_lock(d) mutex_lock(&d->lock)
|
|
|
|
#define hci_dev_unlock(d) mutex_unlock(&d->lock)
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
struct hci_dev *hci_dev_get(int index);
|
|
|
|
struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
|
|
|
|
|
|
|
|
struct hci_dev *hci_alloc_dev(void);
|
|
|
|
void hci_free_dev(struct hci_dev *hdev);
|
|
|
|
int hci_register_dev(struct hci_dev *hdev);
|
2011-10-26 16:43:19 +08:00
|
|
|
void hci_unregister_dev(struct hci_dev *hdev);
|
2005-04-17 06:20:36 +08:00
|
|
|
int hci_suspend_dev(struct hci_dev *hdev);
|
|
|
|
int hci_resume_dev(struct hci_dev *hdev);
|
|
|
|
int hci_dev_open(__u16 dev);
|
|
|
|
int hci_dev_close(__u16 dev);
|
|
|
|
int hci_dev_reset(__u16 dev);
|
|
|
|
int hci_dev_reset_stat(__u16 dev);
|
|
|
|
int hci_dev_cmd(unsigned int cmd, void __user *arg);
|
|
|
|
int hci_get_dev_list(void __user *arg);
|
|
|
|
int hci_get_dev_info(void __user *arg);
|
|
|
|
int hci_get_conn_list(void __user *arg);
|
|
|
|
int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
|
2008-07-15 02:13:50 +08:00
|
|
|
int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
|
2005-04-17 06:20:36 +08:00
|
|
|
int hci_inquiry(void __user *arg);
|
|
|
|
|
2010-05-18 19:20:32 +08:00
|
|
|
struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
|
|
|
int hci_blacklist_clear(struct hci_dev *hdev);
|
2011-06-15 17:01:14 +08:00
|
|
|
int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
|
|
|
int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
2010-05-18 19:20:32 +08:00
|
|
|
|
2011-01-04 18:08:51 +08:00
|
|
|
int hci_uuids_clear(struct hci_dev *hdev);
|
|
|
|
|
2011-01-17 20:41:05 +08:00
|
|
|
int hci_link_keys_clear(struct hci_dev *hdev);
|
|
|
|
struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
2011-04-29 02:28:59 +08:00
|
|
|
int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
|
|
|
|
bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
|
2012-02-03 08:08:01 +08:00
|
|
|
struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
|
|
|
|
int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type,
|
|
|
|
int new_key, u8 authenticated, u8 tk[16],
|
|
|
|
u8 enc_size, u16 ediv, u8 rand[8]);
|
|
|
|
struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
|
|
|
|
u8 addr_type);
|
2012-02-03 08:08:00 +08:00
|
|
|
int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
|
|
|
int hci_smp_ltks_clear(struct hci_dev *hdev);
|
2011-01-17 20:41:05 +08:00
|
|
|
int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
|
|
|
|
2011-03-22 20:12:22 +08:00
|
|
|
int hci_remote_oob_data_clear(struct hci_dev *hdev);
|
|
|
|
struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
|
|
|
|
bdaddr_t *bdaddr);
|
|
|
|
int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
|
|
|
|
u8 *randomizer);
|
|
|
|
int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
|
|
|
|
2011-05-27 03:23:53 +08:00
|
|
|
#define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
|
2011-05-27 03:23:50 +08:00
|
|
|
int hci_adv_entries_clear(struct hci_dev *hdev);
|
|
|
|
struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
|
|
|
int hci_add_adv_entry(struct hci_dev *hdev,
|
|
|
|
struct hci_ev_le_advertising_info *ev);
|
|
|
|
|
2010-12-15 19:53:18 +08:00
|
|
|
void hci_del_off_timer(struct hci_dev *hdev);
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
|
|
|
|
|
2009-11-18 07:40:39 +08:00
|
|
|
int hci_recv_frame(struct sk_buff *skb);
|
2007-07-11 12:42:04 +08:00
|
|
|
int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
|
2010-07-14 15:32:19 +08:00
|
|
|
int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
|
2007-07-11 12:42:04 +08:00
|
|
|
|
2011-10-08 20:58:47 +08:00
|
|
|
void hci_init_sysfs(struct hci_dev *hdev);
|
2011-10-08 20:58:48 +08:00
|
|
|
int hci_add_sysfs(struct hci_dev *hdev);
|
|
|
|
void hci_del_sysfs(struct hci_dev *hdev);
|
2009-05-03 09:24:06 +08:00
|
|
|
void hci_conn_init_sysfs(struct hci_conn *conn);
|
2006-07-06 18:38:46 +08:00
|
|
|
void hci_conn_add_sysfs(struct hci_conn *conn);
|
|
|
|
void hci_conn_del_sysfs(struct hci_conn *conn);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2006-07-03 16:02:41 +08:00
|
|
|
#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
/* ----- LMP capabilities ----- */
|
2006-07-03 16:02:33 +08:00
|
|
|
#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
|
|
|
|
#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
|
|
|
|
#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
|
|
|
|
#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
|
2007-07-11 15:51:55 +08:00
|
|
|
#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
|
2008-07-15 02:13:49 +08:00
|
|
|
#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
|
2011-01-03 17:14:36 +08:00
|
|
|
#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
|
2011-02-11 09:38:48 +08:00
|
|
|
#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2011-07-01 06:20:55 +08:00
|
|
|
/* ----- Extended LMP capabilities ----- */
|
2011-12-30 21:34:03 +08:00
|
|
|
#define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE)
|
2011-07-01 06:20:55 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
/* ----- HCI protocols ----- */
|
2011-06-07 17:18:06 +08:00
|
|
|
static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
|
|
|
|
__u8 type)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
2011-12-21 20:11:33 +08:00
|
|
|
switch (type) {
|
|
|
|
case ACL_LINK:
|
|
|
|
return l2cap_connect_ind(hdev, bdaddr);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2011-12-21 20:11:33 +08:00
|
|
|
case SCO_LINK:
|
|
|
|
case ESCO_LINK:
|
|
|
|
return sco_connect_ind(hdev, bdaddr);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2011-12-21 20:11:33 +08:00
|
|
|
default:
|
|
|
|
BT_ERR("unknown link type %d", type);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
|
|
|
|
{
|
2011-12-21 20:11:33 +08:00
|
|
|
switch (conn->type) {
|
|
|
|
case ACL_LINK:
|
|
|
|
case LE_LINK:
|
|
|
|
l2cap_connect_cfm(conn, status);
|
|
|
|
break;
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2011-12-21 20:11:33 +08:00
|
|
|
case SCO_LINK:
|
|
|
|
case ESCO_LINK:
|
|
|
|
sco_connect_cfm(conn, status);
|
|
|
|
break;
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2011-12-21 20:11:33 +08:00
|
|
|
default:
|
|
|
|
BT_ERR("unknown link type %d", conn->type);
|
|
|
|
break;
|
|
|
|
}
|
2011-02-19 23:05:56 +08:00
|
|
|
|
|
|
|
if (conn->connect_cfm_cb)
|
|
|
|
conn->connect_cfm_cb(conn, status);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2009-02-12 21:02:50 +08:00
|
|
|
static inline int hci_proto_disconn_ind(struct hci_conn *conn)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
2011-12-21 20:11:33 +08:00
|
|
|
if (conn->type != ACL_LINK && conn->type != LE_LINK)
|
|
|
|
return HCI_ERROR_REMOTE_USER_TERM;
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2011-12-21 20:11:33 +08:00
|
|
|
return l2cap_disconn_ind(conn);
|
2009-02-12 21:02:50 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
|
|
|
|
{
|
2011-12-21 20:11:33 +08:00
|
|
|
switch (conn->type) {
|
|
|
|
case ACL_LINK:
|
|
|
|
case LE_LINK:
|
|
|
|
l2cap_disconn_cfm(conn, reason);
|
|
|
|
break;
|
2009-02-12 21:02:50 +08:00
|
|
|
|
2011-12-21 20:11:33 +08:00
|
|
|
case SCO_LINK:
|
|
|
|
case ESCO_LINK:
|
|
|
|
sco_disconn_cfm(conn, reason);
|
|
|
|
break;
|
2009-02-12 21:02:50 +08:00
|
|
|
|
2011-12-21 20:11:33 +08:00
|
|
|
default:
|
|
|
|
BT_ERR("unknown link type %d", conn->type);
|
|
|
|
break;
|
|
|
|
}
|
2011-02-19 23:05:56 +08:00
|
|
|
|
|
|
|
if (conn->disconn_cfm_cb)
|
|
|
|
conn->disconn_cfm_cb(conn, reason);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
|
|
|
|
{
|
2009-01-16 04:58:04 +08:00
|
|
|
__u8 encrypt;
|
|
|
|
|
2011-12-21 20:11:33 +08:00
|
|
|
if (conn->type != ACL_LINK && conn->type != LE_LINK)
|
|
|
|
return;
|
|
|
|
|
2012-01-16 12:10:31 +08:00
|
|
|
if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
|
2009-01-16 04:58:04 +08:00
|
|
|
return;
|
|
|
|
|
|
|
|
encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
|
2011-12-21 20:11:33 +08:00
|
|
|
l2cap_security_cfm(conn, status, encrypt);
|
2011-02-19 23:05:56 +08:00
|
|
|
|
|
|
|
if (conn->security_cfm_cb)
|
|
|
|
conn->security_cfm_cb(conn, status);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2011-06-07 17:18:06 +08:00
|
|
|
static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
|
|
|
|
__u8 encrypt)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
2011-12-21 20:11:33 +08:00
|
|
|
if (conn->type != ACL_LINK && conn->type != LE_LINK)
|
|
|
|
return;
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2011-12-21 20:11:33 +08:00
|
|
|
l2cap_security_cfm(conn, status, encrypt);
|
2011-02-19 23:05:56 +08:00
|
|
|
|
|
|
|
if (conn->security_cfm_cb)
|
|
|
|
conn->security_cfm_cb(conn, status);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* ----- HCI callbacks ----- */
|
|
|
|
struct hci_cb {
|
|
|
|
struct list_head list;
|
|
|
|
|
|
|
|
char *name;
|
|
|
|
|
2011-06-07 17:18:06 +08:00
|
|
|
void (*security_cfm) (struct hci_conn *conn, __u8 status,
|
|
|
|
__u8 encrypt);
|
2005-04-17 06:20:36 +08:00
|
|
|
void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
|
|
|
|
void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
|
|
|
|
};
|
|
|
|
|
|
|
|
static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
|
|
|
|
{
|
|
|
|
struct list_head *p;
|
2009-01-16 04:58:04 +08:00
|
|
|
__u8 encrypt;
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
hci_proto_auth_cfm(conn, status);
|
|
|
|
|
2012-01-16 12:10:31 +08:00
|
|
|
if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
|
2009-01-16 04:58:04 +08:00
|
|
|
return;
|
|
|
|
|
|
|
|
encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
|
|
|
|
|
2011-12-23 02:30:27 +08:00
|
|
|
read_lock(&hci_cb_list_lock);
|
2005-04-17 06:20:36 +08:00
|
|
|
list_for_each(p, &hci_cb_list) {
|
|
|
|
struct hci_cb *cb = list_entry(p, struct hci_cb, list);
|
2009-01-16 04:58:04 +08:00
|
|
|
if (cb->security_cfm)
|
|
|
|
cb->security_cfm(conn, status, encrypt);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
2011-12-23 02:30:27 +08:00
|
|
|
read_unlock(&hci_cb_list_lock);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2011-06-07 17:18:06 +08:00
|
|
|
static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
|
|
|
|
__u8 encrypt)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct list_head *p;
|
|
|
|
|
2009-02-09 10:55:28 +08:00
|
|
|
if (conn->sec_level == BT_SECURITY_SDP)
|
|
|
|
conn->sec_level = BT_SECURITY_LOW;
|
|
|
|
|
2011-06-10 05:50:51 +08:00
|
|
|
if (conn->pending_sec_level > conn->sec_level)
|
|
|
|
conn->sec_level = conn->pending_sec_level;
|
|
|
|
|
2008-07-15 02:13:45 +08:00
|
|
|
hci_proto_encrypt_cfm(conn, status, encrypt);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2011-12-23 02:30:27 +08:00
|
|
|
read_lock(&hci_cb_list_lock);
|
2005-04-17 06:20:36 +08:00
|
|
|
list_for_each(p, &hci_cb_list) {
|
|
|
|
struct hci_cb *cb = list_entry(p, struct hci_cb, list);
|
2009-01-16 04:58:04 +08:00
|
|
|
if (cb->security_cfm)
|
|
|
|
cb->security_cfm(conn, status, encrypt);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
2011-12-23 02:30:27 +08:00
|
|
|
read_unlock(&hci_cb_list_lock);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
|
|
|
|
{
|
|
|
|
struct list_head *p;
|
|
|
|
|
2011-12-23 02:30:27 +08:00
|
|
|
read_lock(&hci_cb_list_lock);
|
2005-04-17 06:20:36 +08:00
|
|
|
list_for_each(p, &hci_cb_list) {
|
|
|
|
struct hci_cb *cb = list_entry(p, struct hci_cb, list);
|
|
|
|
if (cb->key_change_cfm)
|
|
|
|
cb->key_change_cfm(conn, status);
|
|
|
|
}
|
2011-12-23 02:30:27 +08:00
|
|
|
read_unlock(&hci_cb_list_lock);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2011-06-07 17:18:06 +08:00
|
|
|
static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
|
|
|
|
__u8 role)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct list_head *p;
|
|
|
|
|
2011-12-23 02:30:27 +08:00
|
|
|
read_lock(&hci_cb_list_lock);
|
2005-04-17 06:20:36 +08:00
|
|
|
list_for_each(p, &hci_cb_list) {
|
|
|
|
struct hci_cb *cb = list_entry(p, struct hci_cb, list);
|
|
|
|
if (cb->role_switch_cfm)
|
|
|
|
cb->role_switch_cfm(conn, status, role);
|
|
|
|
}
|
2011-12-23 02:30:27 +08:00
|
|
|
read_unlock(&hci_cb_list_lock);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2012-01-16 02:51:14 +08:00
|
|
|
static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type)
|
|
|
|
{
|
|
|
|
u8 field_len;
|
|
|
|
size_t parsed;
|
|
|
|
|
|
|
|
for (parsed = 0; parsed < data_len - 1; parsed += field_len) {
|
|
|
|
field_len = data[0];
|
|
|
|
|
|
|
|
if (field_len == 0)
|
|
|
|
break;
|
|
|
|
|
|
|
|
parsed += field_len + 1;
|
|
|
|
|
|
|
|
if (parsed > data_len)
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (data[1] == type)
|
|
|
|
return true;
|
|
|
|
|
|
|
|
data += field_len + 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2012-01-16 03:01:23 +08:00
|
|
|
static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
|
|
|
|
u8 data_len)
|
|
|
|
{
|
|
|
|
eir[eir_len++] = sizeof(type) + data_len;
|
|
|
|
eir[eir_len++] = type;
|
|
|
|
memcpy(&eir[eir_len], data, data_len);
|
|
|
|
eir_len += data_len;
|
|
|
|
|
|
|
|
return eir_len;
|
|
|
|
}
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
int hci_register_cb(struct hci_cb *hcb);
|
|
|
|
int hci_unregister_cb(struct hci_cb *hcb);
|
|
|
|
|
|
|
|
int hci_register_notifier(struct notifier_block *nb);
|
|
|
|
int hci_unregister_notifier(struct notifier_block *nb);
|
|
|
|
|
2007-10-20 19:33:56 +08:00
|
|
|
int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
|
2011-11-02 21:52:01 +08:00
|
|
|
void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
|
2010-05-02 03:15:35 +08:00
|
|
|
void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2007-10-20 19:33:56 +08:00
|
|
|
void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
|
|
|
|
|
|
|
|
/* ----- HCI Sockets ----- */
|
2010-12-16 16:17:38 +08:00
|
|
|
void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
|
|
|
|
struct sock *skip_sk);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2010-12-08 06:21:06 +08:00
|
|
|
/* Management interface */
|
|
|
|
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
|
2011-11-09 02:40:14 +08:00
|
|
|
int mgmt_index_added(struct hci_dev *hdev);
|
|
|
|
int mgmt_index_removed(struct hci_dev *hdev);
|
|
|
|
int mgmt_powered(struct hci_dev *hdev, u8 powered);
|
|
|
|
int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
|
|
|
|
int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
|
|
|
|
int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
|
|
|
|
int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
|
|
|
|
u8 persistent);
|
2012-01-16 00:11:07 +08:00
|
|
|
int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
|
2012-01-18 03:48:47 +08:00
|
|
|
u8 addr_type, u8 *name, u8 name_len,
|
|
|
|
u8 *dev_class);
|
2012-01-16 00:11:07 +08:00
|
|
|
int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
|
|
|
|
u8 link_type, u8 addr_type);
|
2012-02-09 20:27:38 +08:00
|
|
|
int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
|
|
|
|
u8 link_type, u8 addr_type, u8 status);
|
2011-11-09 19:58:58 +08:00
|
|
|
int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
|
|
|
|
u8 addr_type, u8 status);
|
2011-11-09 02:40:14 +08:00
|
|
|
int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
|
|
|
|
int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
|
2011-03-22 20:12:21 +08:00
|
|
|
u8 status);
|
2011-11-09 02:40:14 +08:00
|
|
|
int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
|
|
|
|
u8 status);
|
|
|
|
int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
|
|
|
|
__le32 value, u8 confirm_hint);
|
|
|
|
int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
|
|
|
|
u8 status);
|
|
|
|
int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
|
|
|
|
bdaddr_t *bdaddr, u8 status);
|
2011-11-24 00:28:33 +08:00
|
|
|
int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
|
|
|
int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
|
|
|
|
u8 status);
|
|
|
|
int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev,
|
|
|
|
bdaddr_t *bdaddr, u8 status);
|
2011-11-09 02:40:14 +08:00
|
|
|
int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
|
|
|
|
int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
|
|
|
|
int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
|
|
|
|
u8 *randomizer, u8 status);
|
2011-11-09 19:58:58 +08:00
|
|
|
int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
|
2012-01-04 19:31:59 +08:00
|
|
|
u8 addr_type, u8 *dev_class, s8 rssi,
|
2012-01-16 01:51:59 +08:00
|
|
|
u8 cfm_name, u8 *eir, u16 eir_len);
|
2012-01-18 03:48:47 +08:00
|
|
|
int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
|
|
|
|
u8 addr_type, s8 rssi, u8 *name, u8 name_len);
|
2011-11-10 04:14:25 +08:00
|
|
|
int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
|
2011-11-10 04:14:26 +08:00
|
|
|
int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
|
2011-11-09 02:40:14 +08:00
|
|
|
int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
|
|
|
|
int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
|
|
|
int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
|
2010-12-08 06:21:06 +08:00
|
|
|
|
2012-02-03 08:08:02 +08:00
|
|
|
int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent);
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
/* HCI info for socket */
|
|
|
|
#define hci_pi(sk) ((struct hci_pinfo *) sk)
|
|
|
|
|
2011-12-15 06:47:37 +08:00
|
|
|
/* HCI socket flags */
|
|
|
|
#define HCI_PI_MGMT_INIT 0
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
struct hci_pinfo {
|
|
|
|
struct bt_sock bt;
|
|
|
|
struct hci_dev *hdev;
|
|
|
|
struct hci_filter filter;
|
|
|
|
__u32 cmsg_mask;
|
2010-12-08 06:21:05 +08:00
|
|
|
unsigned short channel;
|
2011-12-15 06:47:37 +08:00
|
|
|
unsigned long flags;
|
2005-04-17 06:20:36 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
/* HCI security filter */
|
|
|
|
#define HCI_SFLT_MAX_OGF 5
|
|
|
|
|
|
|
|
struct hci_sec_filter {
|
|
|
|
__u32 type_mask;
|
|
|
|
__u32 event_mask[2];
|
|
|
|
__u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
|
|
|
|
};
|
|
|
|
|
|
|
|
/* ----- HCI requests ----- */
|
|
|
|
#define HCI_REQ_DONE 0
|
|
|
|
#define HCI_REQ_PEND 1
|
|
|
|
#define HCI_REQ_CANCELED 2
|
|
|
|
|
2009-07-26 16:18:19 +08:00
|
|
|
#define hci_req_lock(d) mutex_lock(&d->req_lock)
|
|
|
|
#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2010-12-22 05:01:27 +08:00
|
|
|
void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2011-02-17 06:44:53 +08:00
|
|
|
void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
|
|
|
|
u16 latency, u16 to_multiplier);
|
2011-06-10 05:50:47 +08:00
|
|
|
void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
|
|
|
|
__u8 ltk[16]);
|
|
|
|
void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
|
|
|
|
void hci_le_ltk_neg_reply(struct hci_conn *conn);
|
|
|
|
|
2011-11-07 22:45:24 +08:00
|
|
|
int hci_do_inquiry(struct hci_dev *hdev, u8 length);
|
2011-11-05 01:16:52 +08:00
|
|
|
int hci_cancel_inquiry(struct hci_dev *hdev);
|
2012-02-04 04:48:00 +08:00
|
|
|
int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window,
|
|
|
|
int timeout);
|
2011-11-07 22:45:24 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
#endif /* __HCI_CORE_H */
|