zephyr/net/bluetooth/hci_core.h
Johan Hedberg a4ecff8dad Bluetooth: Rename cmd_stack/fiber/queue to cmd_tx_stack/fiber/queue
To prepare for a dedicated Command Complete/Status processing fiber,
add 'tx' to the existing names to differentiate from the 'rx' in the
upcoming names.

Change-Id: I59e0ba34502e4a2341396f81bfb5829c296b35a5
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-02-05 20:14:03 -05:00

107 lines
3.3 KiB
C

/* hci_core.h - Bluetooth HCI core access */
/*
* Copyright (c) 2015 Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2) Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3) Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/* LMP feature helpers */
#define lmp_bredr_capable(dev) (!((dev).features[4] & BT_LMP_NO_BREDR))
#define lmp_le_capable(dev) ((dev).features[4] & BT_LMP_LE)
/* State tracking for the local Bluetooth controller */
struct bt_dev {
/* Local Bluetooth Device Address */
uint8_t bdaddr[6];
/* Controller version & manufacturer information */
uint8_t hci_version;
uint16_t hci_revision;
uint16_t manufacturer;
/* BR/EDR features page 0 */
uint8_t features[8];
/* LE features */
uint8_t le_features[8];
/* Advertising state */
uint8_t adv_enable;
/* Scanning state */
uint8_t scan_enable;
/* Controller buffer information */
uint8_t le_pkts;
uint16_t le_mtu;
struct nano_sem le_pkts_sem;
/* Number of commands controller can accept */
uint8_t ncmd;
struct nano_sem ncmd_sem;
/* Last sent HCI command */
struct bt_buf *sent_cmd;
/* Queue for incoming HCI events & ACL data */
struct nano_fifo rx_queue;
/* Queue for outgoing HCI commands */
struct nano_fifo cmd_tx_queue;
/* Registered HCI driver */
struct bt_driver *drv;
};
struct bt_ltk {
uint64_t rand;
uint16_t ediv;
uint8_t val[16];
};
struct bt_keys {
uint8_t bdaddr[6];
uint8_t bdaddr_type;
struct bt_ltk slave_ltk;
};
struct bt_keys *bt_keys_create(uint8_t bdaddr[6], uint8_t bdaddr_type);
struct bt_keys *bt_keys_find(uint8_t bdaddr[6], uint8_t bdaddr_type);
void bt_keys_clear(struct bt_keys *keys);
struct bt_buf *bt_hci_cmd_create(uint16_t opcode, uint8_t param_len);
int bt_hci_cmd_send(uint16_t opcode, struct bt_buf *buf);
int bt_hci_cmd_send_sync(uint16_t opcode, struct bt_buf *buf,
struct bt_buf **rsp);
/* The helper is only safe to be called from internal fibers as it's
* not multi-threading safe
*/
const char *bt_bdaddr_str(const uint8_t bdaddr[6]);