141 lines
5.2 KiB
C
141 lines
5.2 KiB
C
/*
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BlueZ - Bluetooth protocol stack for Linux
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Copyright (C) 2014 Intel Corporation
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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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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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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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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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SOFTWARE IS DISCLAIMED.
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*/
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#include <asm/unaligned.h>
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#define hci_req_sync_lock(hdev) mutex_lock(&hdev->req_lock)
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#define hci_req_sync_unlock(hdev) mutex_unlock(&hdev->req_lock)
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struct hci_request {
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struct hci_dev *hdev;
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struct sk_buff_head cmd_q;
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/* If something goes wrong when building the HCI request, the error
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* value is stored in this field.
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*/
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int err;
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};
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void hci_req_init(struct hci_request *req, struct hci_dev *hdev);
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void hci_req_purge(struct hci_request *req);
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bool hci_req_status_pend(struct hci_dev *hdev);
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int hci_req_run(struct hci_request *req, hci_req_complete_t complete);
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int hci_req_run_skb(struct hci_request *req, hci_req_complete_skb_t complete);
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void hci_req_add(struct hci_request *req, u16 opcode, u32 plen,
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const void *param);
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void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen,
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const void *param, u8 event);
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void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status,
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hci_req_complete_t *req_complete,
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hci_req_complete_skb_t *req_complete_skb);
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int hci_req_sync(struct hci_dev *hdev, int (*req)(struct hci_request *req,
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unsigned long opt),
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unsigned long opt, u32 timeout, u8 *hci_status);
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int __hci_req_sync(struct hci_dev *hdev, int (*func)(struct hci_request *req,
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unsigned long opt),
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unsigned long opt, u32 timeout, u8 *hci_status);
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void hci_req_sync_cancel(struct hci_dev *hdev, int err);
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struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, u32 plen,
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const void *param);
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int __hci_req_hci_power_on(struct hci_dev *hdev);
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void __hci_req_write_fast_connectable(struct hci_request *req, bool enable);
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void __hci_req_update_name(struct hci_request *req);
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void __hci_req_update_eir(struct hci_request *req);
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void hci_req_add_le_scan_disable(struct hci_request *req);
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void hci_req_add_le_passive_scan(struct hci_request *req);
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void hci_req_reenable_advertising(struct hci_dev *hdev);
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void __hci_req_enable_advertising(struct hci_request *req);
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void __hci_req_disable_advertising(struct hci_request *req);
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void __hci_req_update_adv_data(struct hci_request *req, u8 instance);
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int hci_req_update_adv_data(struct hci_dev *hdev, u8 instance);
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void __hci_req_update_scan_rsp_data(struct hci_request *req, u8 instance);
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int __hci_req_schedule_adv_instance(struct hci_request *req, u8 instance,
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bool force);
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void hci_req_clear_adv_instance(struct hci_dev *hdev, struct sock *sk,
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struct hci_request *req, u8 instance,
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bool force);
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int __hci_req_setup_ext_adv_instance(struct hci_request *req, u8 instance);
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int __hci_req_start_ext_adv(struct hci_request *req, u8 instance);
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int __hci_req_enable_ext_advertising(struct hci_request *req, u8 instance);
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void __hci_req_clear_ext_adv_sets(struct hci_request *req);
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int hci_get_random_address(struct hci_dev *hdev, bool require_privacy,
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bool use_rpa, struct adv_info *adv_instance,
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u8 *own_addr_type, bdaddr_t *rand_addr);
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void __hci_req_update_class(struct hci_request *req);
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/* Returns true if HCI commands were queued */
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bool hci_req_stop_discovery(struct hci_request *req);
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static inline void hci_req_update_scan(struct hci_dev *hdev)
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{
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queue_work(hdev->req_workqueue, &hdev->scan_update);
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}
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void __hci_req_update_scan(struct hci_request *req);
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int hci_update_random_address(struct hci_request *req, bool require_privacy,
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bool use_rpa, u8 *own_addr_type);
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int hci_abort_conn(struct hci_conn *conn, u8 reason);
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void __hci_abort_conn(struct hci_request *req, struct hci_conn *conn,
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u8 reason);
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static inline void hci_update_background_scan(struct hci_dev *hdev)
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{
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queue_work(hdev->req_workqueue, &hdev->bg_scan_update);
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}
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void hci_request_setup(struct hci_dev *hdev);
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void hci_request_cancel_all(struct hci_dev *hdev);
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u8 append_local_name(struct hci_dev *hdev, u8 *ptr, u8 ad_len);
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static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type,
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u8 *data, u8 data_len)
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{
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eir[eir_len++] = sizeof(type) + data_len;
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eir[eir_len++] = type;
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memcpy(&eir[eir_len], data, data_len);
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eir_len += data_len;
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return eir_len;
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}
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static inline u16 eir_append_le16(u8 *eir, u16 eir_len, u8 type, u16 data)
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{
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eir[eir_len++] = sizeof(type) + sizeof(data);
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eir[eir_len++] = type;
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put_unaligned_le16(data, &eir[eir_len]);
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eir_len += sizeof(data);
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return eir_len;
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}
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