hci_request.h (5242B)
1/* 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 23#include <asm/unaligned.h> 24 25#define HCI_REQ_DONE 0 26#define HCI_REQ_PEND 1 27#define HCI_REQ_CANCELED 2 28 29#define hci_req_sync_lock(hdev) mutex_lock(&hdev->req_lock) 30#define hci_req_sync_unlock(hdev) mutex_unlock(&hdev->req_lock) 31 32#define HCI_REQ_DONE 0 33#define HCI_REQ_PEND 1 34#define HCI_REQ_CANCELED 2 35 36struct hci_request { 37 struct hci_dev *hdev; 38 struct sk_buff_head cmd_q; 39 40 /* If something goes wrong when building the HCI request, the error 41 * value is stored in this field. 42 */ 43 int err; 44}; 45 46void hci_req_init(struct hci_request *req, struct hci_dev *hdev); 47void hci_req_purge(struct hci_request *req); 48bool hci_req_status_pend(struct hci_dev *hdev); 49int hci_req_run(struct hci_request *req, hci_req_complete_t complete); 50int hci_req_run_skb(struct hci_request *req, hci_req_complete_skb_t complete); 51void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode, 52 struct sk_buff *skb); 53void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, 54 const void *param); 55void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, 56 const void *param, u8 event); 57void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status, 58 hci_req_complete_t *req_complete, 59 hci_req_complete_skb_t *req_complete_skb); 60 61int hci_req_sync(struct hci_dev *hdev, int (*req)(struct hci_request *req, 62 unsigned long opt), 63 unsigned long opt, u32 timeout, u8 *hci_status); 64int __hci_req_sync(struct hci_dev *hdev, int (*func)(struct hci_request *req, 65 unsigned long opt), 66 unsigned long opt, u32 timeout, u8 *hci_status); 67 68struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, u32 plen, 69 const void *param); 70 71int __hci_req_hci_power_on(struct hci_dev *hdev); 72 73void __hci_req_write_fast_connectable(struct hci_request *req, bool enable); 74void __hci_req_update_name(struct hci_request *req); 75void __hci_req_update_eir(struct hci_request *req); 76 77void hci_req_add_le_scan_disable(struct hci_request *req, bool rpa_le_conn); 78void hci_req_add_le_passive_scan(struct hci_request *req); 79 80void hci_req_prepare_suspend(struct hci_dev *hdev, enum suspended_state next); 81 82void hci_req_disable_address_resolution(struct hci_dev *hdev); 83void hci_req_reenable_advertising(struct hci_dev *hdev); 84void __hci_req_enable_advertising(struct hci_request *req); 85void __hci_req_disable_advertising(struct hci_request *req); 86void __hci_req_update_adv_data(struct hci_request *req, u8 instance); 87int hci_req_update_adv_data(struct hci_dev *hdev, u8 instance); 88void __hci_req_update_scan_rsp_data(struct hci_request *req, u8 instance); 89 90int __hci_req_schedule_adv_instance(struct hci_request *req, u8 instance, 91 bool force); 92void hci_req_clear_adv_instance(struct hci_dev *hdev, struct sock *sk, 93 struct hci_request *req, u8 instance, 94 bool force); 95 96int __hci_req_setup_ext_adv_instance(struct hci_request *req, u8 instance); 97int __hci_req_start_ext_adv(struct hci_request *req, u8 instance); 98int __hci_req_enable_ext_advertising(struct hci_request *req, u8 instance); 99int __hci_req_disable_ext_adv_instance(struct hci_request *req, u8 instance); 100int __hci_req_remove_ext_adv_instance(struct hci_request *req, u8 instance); 101void __hci_req_clear_ext_adv_sets(struct hci_request *req); 102int hci_get_random_address(struct hci_dev *hdev, bool require_privacy, 103 bool use_rpa, struct adv_info *adv_instance, 104 u8 *own_addr_type, bdaddr_t *rand_addr); 105 106void __hci_req_update_class(struct hci_request *req); 107 108/* Returns true if HCI commands were queued */ 109bool hci_req_stop_discovery(struct hci_request *req); 110 111int hci_req_configure_datapath(struct hci_dev *hdev, struct bt_codec *codec); 112 113static inline void hci_req_update_scan(struct hci_dev *hdev) 114{ 115 queue_work(hdev->req_workqueue, &hdev->scan_update); 116} 117 118void __hci_req_update_scan(struct hci_request *req); 119 120int hci_update_random_address(struct hci_request *req, bool require_privacy, 121 bool use_rpa, u8 *own_addr_type); 122 123int hci_abort_conn(struct hci_conn *conn, u8 reason); 124void __hci_abort_conn(struct hci_request *req, struct hci_conn *conn, 125 u8 reason); 126 127void hci_request_setup(struct hci_dev *hdev); 128void hci_request_cancel_all(struct hci_dev *hdev);