l2cap_con.h

bluetooth 驱动

/*
 * l2cap_con.h -- Implementation of Bluetooth Logical Link Control 
 *                and Adaption Protocol (L2CAP), Connection Manager   
 *
 * Copyright (C) 2000, 2001  Axis Communications AB
 *
 * Author: Mattias Agren <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Exceptionally, Axis Communications AB grants discretionary and
 * conditional permissions for additional use of the text contained
 * in the company's release of the AXIS OpenBT Stack under the
 * provisions set forth hereunder.
 *
 * Provided that, if you use the AXIS OpenBT Stack with other files,
 * that do not implement functionality as specified in the Bluetooth
 * System specification, to produce an executable, this does not by
 * itself cause the resulting executable to be covered by the GNU
 * General Public License. Your use of that executable is in no way
 * restricted on account of using the AXIS OpenBT Stack code with it.
 *
 * This exception does not however invalidate any other reasons why
 * the executable file might be covered by the provisions of the GNU
 * General Public License.
 *
 * $Id: l2cap_con.h,v 1.7 2001/04/27 10:16:09 mattiasagren Exp $
 *
 */

#ifndef L2CAP_CON_H
#define L2CAP_CON_H

/****************** INCLUDE FILES SECTION ***********************************/

#ifdef __KERNEL__
#include <linux/bluetooth/btcommon.h>
#include <linux/types.h>
#else
#include "btcommon.h"
#endif

/****************** CONSTANT AND MACRO SECTION ******************************/

/* internal test of connection manager */
#define L2CAP_SELFTEST 0

/****************** TYPE DEFINITION SECTION *********************************/

/* con->c_flags */
#define FLAG_WAKEMEUP  0x0001 /* wake up con->wq */
#define FLAG_RETURNNOW 0x0002 /* return immediately, used when setting up 
				 baseband */
#define FLAG_DONTSLEEP 0x0004 /* used when e.g ertx_timeout calls disc req */

/* con->c_status */
#define CSTATUS_SUCCESS      0 /* return status success to upper caller */
#define CSTATUS_FAILED       1 /* return status failed to upper caller */
#define CSTATUS_RTX_TIMEOUT  2 /* resend request */
#define CSTATUS_ERTX_TIMEOUT 3 /* disconnect link */
#define CSTATUS_MAX_NO_RTX   4
#define CSTATUS_CMDREJECT    5

/****************** EXPORTED FUNCTION DECLARATION SECTION *******************/


/*********************************************************************/
/*---------------------- INIT AND SHUTDOWN --------------------------*/
/*********************************************************************/

void init_con_list(void);
void free_con_list(void);

l2cap_con* create_con(u16 hci_hdl, CID lcid, CID rcid);
s32 delete_con(l2cap_con *con);

void insert_con(l2cap_con *con);
void reset_con(l2cap_con* con);
l2cap_con* get_first_con(void);
l2cap_con* get_next_con(l2cap_con* con);

void init_flow(flow *f);

/*******************************************************************/
/*-------------------------- ACTIONS ------------------------------*/
/*******************************************************************/

l2cap_con* get_rcon(CID rcid);
l2cap_con* get_lcon(CID lcid);
l2cap_con* get_con(BD_ADDR bd, s32 STATE);
l2cap_con* get_con_hcihdl(u16 hdl);
l2cap_con* check_remote_cid(u16 hdl, CID remote_cid);

u16 get_cid(void);
void show_con(const u8* head, l2cap_con* con);
void show_list(void);
s32 count_con(u16 hci_hdl);


#if L2CAP_SELFTEST
void test_conlist(void);
s32 remove_rcid(CID rcid);
#endif

s32 l2cap_sprint_con(u8 *buf, l2cap_con* con);
s32 l2cap_sprint_active(u8 *buf);

#endif
/****************** END OF FILE l2cap_con.h *********************************/