blob: b2d044bdc732f9ba47f22557459e69e1ec6e5654 [file] [log] [blame]
Johan Hedberg0857dd32014-12-19 13:40:20 +02001/*
2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (C) 2014 Intel Corporation
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License version 2 as
7 published by the Free Software Foundation;
8
9 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
10 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
11 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
12 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
13 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
14 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17
18 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
19 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
20 SOFTWARE IS DISCLAIMED.
21*/
22
Johan Hedbergb5044302015-11-10 09:44:55 +020023#define hci_req_sync_lock(hdev) mutex_lock(&hdev->req_lock)
24#define hci_req_sync_unlock(hdev) mutex_unlock(&hdev->req_lock)
Johan Hedbergbe91cd02015-11-10 09:44:54 +020025
Johan Hedberg0857dd32014-12-19 13:40:20 +020026struct hci_request {
27 struct hci_dev *hdev;
28 struct sk_buff_head cmd_q;
29
30 /* If something goes wrong when building the HCI request, the error
31 * value is stored in this field.
32 */
33 int err;
34};
35
36void hci_req_init(struct hci_request *req, struct hci_dev *hdev);
37int hci_req_run(struct hci_request *req, hci_req_complete_t complete);
Johan Hedberge62144872015-04-02 13:41:08 +030038int hci_req_run_skb(struct hci_request *req, hci_req_complete_skb_t complete);
Johan Hedberg0857dd32014-12-19 13:40:20 +020039void hci_req_add(struct hci_request *req, u16 opcode, u32 plen,
40 const void *param);
41void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen,
42 const void *param, u8 event);
Johan Hedberge62144872015-04-02 13:41:08 +030043void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status,
44 hci_req_complete_t *req_complete,
45 hci_req_complete_skb_t *req_complete_skb);
Johan Hedberg0857dd32014-12-19 13:40:20 +020046
Johan Hedberga1d01db2015-11-11 08:11:25 +020047int hci_req_sync(struct hci_dev *hdev, int (*req)(struct hci_request *req,
48 unsigned long opt),
Johan Hedberg4ebeee22015-11-11 08:11:19 +020049 unsigned long opt, u32 timeout, u8 *hci_status);
Johan Hedberga1d01db2015-11-11 08:11:25 +020050int __hci_req_sync(struct hci_dev *hdev, int (*func)(struct hci_request *req,
51 unsigned long opt),
Johan Hedberg4ebeee22015-11-11 08:11:19 +020052 unsigned long opt, u32 timeout, u8 *hci_status);
Johan Hedbergb5044302015-11-10 09:44:55 +020053void hci_req_sync_cancel(struct hci_dev *hdev, int err);
Johan Hedbergbe91cd02015-11-10 09:44:54 +020054
Johan Hedberg0857dd32014-12-19 13:40:20 +020055struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, u32 plen,
56 const void *param);
57
Johan Hedberg2ff13892015-11-25 16:15:44 +020058int __hci_req_hci_power_on(struct hci_dev *hdev);
59
Johan Hedbergbf943cb2015-11-25 16:15:43 +020060void __hci_req_write_fast_connectable(struct hci_request *req, bool enable);
Johan Hedberg00cf5042015-11-25 16:15:41 +020061void __hci_req_update_name(struct hci_request *req);
Johan Hedbergb1a89172015-11-25 16:15:42 +020062void __hci_req_update_eir(struct hci_request *req);
Johan Hedberg00cf5042015-11-25 16:15:41 +020063
Johan Hedberg0857dd32014-12-19 13:40:20 +020064void hci_req_add_le_scan_disable(struct hci_request *req);
65void hci_req_add_le_passive_scan(struct hci_request *req);
66
Johan Hedbergf2252572015-11-18 12:49:20 +020067void hci_req_reenable_advertising(struct hci_dev *hdev);
68void __hci_req_enable_advertising(struct hci_request *req);
69void __hci_req_disable_advertising(struct hci_request *req);
Johan Hedbergcab054a2015-11-30 11:21:45 +020070void __hci_req_update_adv_data(struct hci_request *req, u8 instance);
71int hci_req_update_adv_data(struct hci_dev *hdev, u8 instance);
72void __hci_req_update_scan_rsp_data(struct hci_request *req, u8 instance);
Johan Hedbergf2252572015-11-18 12:49:20 +020073
74int __hci_req_schedule_adv_instance(struct hci_request *req, u8 instance,
75 bool force);
76void hci_req_clear_adv_instance(struct hci_dev *hdev, struct hci_request *req,
77 u8 instance, bool force);
78
Johan Hedberg14bf5ea2015-11-22 19:00:22 +020079void __hci_req_update_class(struct hci_request *req);
80
Johan Hedberg2154d3f2015-11-11 08:30:45 +020081/* Returns true if HCI commands were queued */
82bool hci_req_stop_discovery(struct hci_request *req);
83
Johan Hedberg01b1cb82015-11-16 12:52:21 +020084static inline void hci_req_update_scan(struct hci_dev *hdev)
85{
86 queue_work(hdev->req_workqueue, &hdev->scan_update);
87}
88
89void __hci_req_update_scan(struct hci_request *req);
Johan Hedberg0857dd32014-12-19 13:40:20 +020090
91int hci_update_random_address(struct hci_request *req, bool require_privacy,
Johan Hedberg82a37ad2016-03-09 17:30:34 +020092 bool use_rpa, u8 *own_addr_type);
Johan Hedberg2cf22212014-12-19 22:26:00 +020093
Johan Hedbergdcc0f0d2015-10-22 10:49:37 +030094int hci_abort_conn(struct hci_conn *conn, u8 reason);
95void __hci_abort_conn(struct hci_request *req, struct hci_conn *conn,
96 u8 reason);
Johan Hedberg5fc16cc2015-11-11 08:11:16 +020097
Johan Hedberg2e93e532015-11-11 08:11:17 +020098static inline void hci_update_background_scan(struct hci_dev *hdev)
99{
100 queue_work(hdev->req_workqueue, &hdev->bg_scan_update);
101}
102
Johan Hedberg5fc16cc2015-11-11 08:11:16 +0200103void hci_request_setup(struct hci_dev *hdev);
104void hci_request_cancel_all(struct hci_dev *hdev);