zephyr/net/bluetooth/l2cap.h
Andrei Emeltchenko 69f94f2484 Bluetooth: Add skeleton for SMP handling
Add support for Security Manager Protocol fixed channel. SMP handling
would be done in smp.c.

Change-Id: I26d3d098c6b1c3d03aad958d83dfee09e03add1d
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
2016-02-05 20:13:57 -05:00

80 lines
2.7 KiB
C

/* l2cap.h - L2CAP 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.
*/
#define BT_L2CAP_CID_ATT 0x0004
#define BT_L2CAP_CID_LE_SIG 0x0005
#define BT_L2CAP_CID_SMP 0x0006
struct bt_l2cap_hdr {
uint16_t len;
uint16_t cid;
} PACK_STRUCT;
struct bt_l2cap_sig_hdr {
uint8_t code;
uint8_t ident;
uint16_t len;
} PACK_STRUCT;
#define BT_L2CAP_REJ_NOT_UNDERSTOOD 0x0000
#define BT_L2CAP_REJ_MTU_EXCEEDED 0x0001
#define BT_L2CAP_REJ_INVALID_CID 0x0002
#define BT_L2CAP_CMD_REJECT 0x01
struct bt_l2cap_cmd_reject {
uint16_t reason;
uint8_t data[0];
} PACK_STRUCT;
#define BT_L2CAP_CONN_PARAM_REQ 0x12
struct bt_l2cap_conn_param_req {
uint16_t min_interval;
uint16_t max_interval;
uint16_t latency;
uint16_t timeout;
} PACK_STRUCT;
#define BT_L2CAP_CONN_PARAM_RSP 0x13
struct bt_l2cap_conn_param_rsp {
uint16_t result;
} PACK_STRUCT;
/* Prepare an L2CAP PDU to be sent over a connection */
struct bt_buf *bt_l2cap_create_pdu(struct bt_conn *conn, uint16_t cid,
size_t len);
/* Receive a new L2CAP PDU from a connection */
void bt_l2cap_recv(struct bt_conn *conn, struct bt_buf *buf);
/* Perform connection parameter update request */
void bt_l2cap_update_conn_param(struct bt_conn *conn);