mirror of
https://github.com/zephyrproject-rtos/zephyr
synced 2025-09-16 08:23:08 +00:00
c533552497
The debug logs may cause a considerable overhead to stack utilization (especially with printf). Increasing the fiber stack sizes when debug is enabled decreases the chance of stack overflow. Change-Id: I26e96c6516e0c1210e787cc5491fd5d59cbc75db Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
128 lines
3.5 KiB
C
128 lines
3.5 KiB
C
/* conn.h - Bluetooth connection handling */
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
#if defined(CONFIG_BLUETOOTH_DEBUG)
|
|
#define BT_CONN_TX_STACK_SIZE 1024
|
|
#define BT_CONN_RX_STACK_SIZE 2048
|
|
#else
|
|
#define BT_CONN_TX_STACK_SIZE 256
|
|
#define BT_CONN_RX_STACK_SIZE 1024
|
|
#endif
|
|
|
|
enum {
|
|
BT_CONN_DISCONNECTED,
|
|
BT_CONN_CONNECTED,
|
|
};
|
|
|
|
/* L2CAP signaling channel specific context */
|
|
struct bt_conn_l2cap {
|
|
uint8_t ident;
|
|
};
|
|
|
|
/* ATT channel specific context */
|
|
struct bt_conn_att {
|
|
};
|
|
|
|
/* SMP channel specific context */
|
|
struct bt_conn_smp {
|
|
/* Pairing Request PDU */
|
|
uint8_t preq[7];
|
|
|
|
/* Pairing Response PDU */
|
|
uint8_t prsp[7];
|
|
|
|
/* Pairing Confirm PDU */
|
|
uint8_t pcnf[16];
|
|
|
|
/* Local random number */
|
|
uint8_t prnd[16];
|
|
|
|
/* Remote random number */
|
|
uint8_t rrnd[16];
|
|
|
|
/* Temporary key */
|
|
uint8_t tk[16];
|
|
};
|
|
|
|
struct bt_conn {
|
|
struct bt_dev *dev;
|
|
uint16_t handle;
|
|
|
|
uint8_t dst[6];
|
|
uint8_t dst_type;
|
|
|
|
uint16_t rx_len;
|
|
struct bt_buf *rx;
|
|
|
|
/* Queue for outgoing ACL data */
|
|
struct nano_fifo tx_queue;
|
|
struct nano_fifo rx_queue;
|
|
|
|
/* Fixed channel contexts */
|
|
struct bt_conn_l2cap l2cap;
|
|
struct bt_conn_att att;
|
|
struct bt_conn_smp smp;
|
|
|
|
uint8_t le_conn_interval;
|
|
|
|
uint8_t ref;
|
|
|
|
uint8_t state;
|
|
|
|
char tx_stack[BT_CONN_TX_STACK_SIZE];
|
|
char rx_stack[BT_CONN_RX_STACK_SIZE];
|
|
};
|
|
|
|
/* Prepare a new buffer to be sent over the connection */
|
|
struct bt_buf *bt_conn_create_pdu(struct bt_conn *conn);
|
|
|
|
/* Process incoming data for a connection */
|
|
void bt_conn_recv(struct bt_conn *conn, struct bt_buf *buf, uint8_t flags);
|
|
|
|
/* Send data over a connection */
|
|
void bt_conn_send(struct bt_conn *conn, struct bt_buf *buf);
|
|
|
|
/* Add a new connection */
|
|
struct bt_conn *bt_conn_add(struct bt_dev *dev, uint16_t handle);
|
|
|
|
/* Delete an existing connection */
|
|
void bt_conn_del(struct bt_conn *conn);
|
|
|
|
/* Look up an existing connection */
|
|
struct bt_conn *bt_conn_lookup(uint16_t handle);
|
|
|
|
/* Increment conn reference count */
|
|
struct bt_conn *bt_conn_get(struct bt_conn *conn);
|
|
|
|
/* Decrement conn reference count */
|
|
void bt_conn_put(struct bt_conn *conn);
|