98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/* conn.h - Bluetooth connection handling */
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/*
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* Copyright (c) 2015 Intel Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if defined(CONFIG_BLUETOOTH_DEBUG)
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#define BT_CONN_TX_STACK_SIZE 1024
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#else
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#define BT_CONN_TX_STACK_SIZE 256
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#endif
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enum {
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BT_CONN_DISCONNECTED,
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BT_CONN_CONNECTED,
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};
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/* L2CAP signaling channel specific context */
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struct bt_conn_l2cap {
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uint8_t ident;
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};
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struct bt_conn {
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struct bt_dev *dev;
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uint16_t handle;
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bt_addr_le_t src;
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bt_addr_le_t dst;
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uint8_t encrypt;
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uint16_t rx_len;
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struct bt_buf *rx;
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/* Queue for outgoing ACL data */
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struct nano_fifo tx_queue;
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/* Fixed channel contexts */
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struct bt_conn_l2cap l2cap;
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void *att;
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void *smp;
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uint8_t le_conn_interval;
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uint8_t ref;
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uint8_t state;
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char tx_stack[BT_CONN_TX_STACK_SIZE];
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};
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/* Process incoming data for a connection */
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void bt_conn_recv(struct bt_conn *conn, struct bt_buf *buf, uint8_t flags);
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/* Send data over a connection */
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void bt_conn_send(struct bt_conn *conn, struct bt_buf *buf);
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/* Add a new connection */
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struct bt_conn *bt_conn_add(struct bt_dev *dev, uint16_t handle);
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/* Delete an existing connection */
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void bt_conn_del(struct bt_conn *conn);
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/* Look up an existing connection */
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struct bt_conn *bt_conn_lookup(uint16_t handle);
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/* Increment conn reference count */
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struct bt_conn *bt_conn_get(struct bt_conn *conn);
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/* Decrement conn reference count */
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void bt_conn_put(struct bt_conn *conn);
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