/* * *  BlueZ - Bluetooth protocol stack for Linux * *  Copyright (C) 2000-2001  Qualcomm Incorporated *  Copyright (C) 2002-2003  Maxim Krasnyansky <maxk@qualcomm.com> *  Copyright (C) 2002-2007  Marcel Holtmann <marcel@holtmann.org> * * *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA * */#ifndef __L2CAP_H#define __L2CAP_H#ifdef __cplusplusextern "C" {#endif#include <sys/socket.h>/* L2CAP defaults */#define L2CAP_DEFAULT_MTU	672#define L2CAP_DEFAULT_FLUSH_TO	0xFFFF#define L2CAP_CONN_TIMEOUT	(HZ * 40)/* L2CAP socket address */struct sockaddr_l2 {	sa_family_t	l2_family;	unsigned short	l2_psm;	bdaddr_t	l2_bdaddr;};/* L2CAP socket options */#define L2CAP_OPTIONS	0x01struct l2cap_options {	uint16_t	omtu;	uint16_t	imtu;	uint16_t	flush_to;	uint8_t		mode;};#define L2CAP_CONNINFO	0x02struct l2cap_conninfo {	uint16_t	hci_handle;	uint8_t		dev_class[3];};#define L2CAP_LM	0x03#define L2CAP_LM_MASTER		0x0001#define L2CAP_LM_AUTH		0x0002#define L2CAP_LM_ENCRYPT	0x0004#define L2CAP_LM_TRUSTED	0x0008#define L2CAP_LM_RELIABLE	0x0010#define L2CAP_LM_SECURE		0x0020/* L2CAP command codes */#define L2CAP_COMMAND_REJ	0x01#define L2CAP_CONN_REQ		0x02#define L2CAP_CONN_RSP		0x03#define L2CAP_CONF_REQ		0x04#define L2CAP_CONF_RSP		0x05#define L2CAP_DISCONN_REQ	0x06#define L2CAP_DISCONN_RSP	0x07#define L2CAP_ECHO_REQ		0x08#define L2CAP_ECHO_RSP		0x09#define L2CAP_INFO_REQ		0x0a#define L2CAP_INFO_RSP		0x0b/* L2CAP structures */typedef struct {	uint16_t	len;	uint16_t	cid;} __attribute__ ((packed)) l2cap_hdr;#define L2CAP_HDR_SIZE 4typedef struct {	uint8_t		code;	uint8_t		ident;	uint16_t	len;} __attribute__ ((packed)) l2cap_cmd_hdr;#define L2CAP_CMD_HDR_SIZE 4typedef struct {	uint16_t	reason;} __attribute__ ((packed)) l2cap_cmd_rej;#define L2CAP_CMD_REJ_SIZE 2typedef struct {	uint16_t	psm;	uint16_t	scid;} __attribute__ ((packed)) l2cap_conn_req;#define L2CAP_CONN_REQ_SIZE 4typedef struct {	uint16_t	dcid;	uint16_t	scid;	uint16_t	result;	uint16_t	status;} __attribute__ ((packed)) l2cap_conn_rsp;#define L2CAP_CONN_RSP_SIZE 8/* connect result */#define L2CAP_CR_SUCCESS	0x0000#define L2CAP_CR_PEND		0x0001#define L2CAP_CR_BAD_PSM	0x0002#define L2CAP_CR_SEC_BLOCK	0x0003#define L2CAP_CR_NO_MEM		0x0004/* connect status */#define L2CAP_CS_NO_INFO	0x0000#define L2CAP_CS_AUTHEN_PEND	0x0001#define L2CAP_CS_AUTHOR_PEND	0x0002typedef struct {	uint16_t	dcid;	uint16_t	flags;	uint8_t		data[0];} __attribute__ ((packed)) l2cap_conf_req;#define L2CAP_CONF_REQ_SIZE 4typedef struct {	uint16_t	scid;	uint16_t	flags;	uint16_t	result;	uint8_t		data[0];} __attribute__ ((packed)) l2cap_conf_rsp;#define L2CAP_CONF_RSP_SIZE 6#define L2CAP_CONF_SUCCESS	0x0000#define L2CAP_CONF_UNACCEPT	0x0001#define L2CAP_CONF_REJECT	0x0002#define L2CAP_CONF_UNKNOWN	0x0003typedef struct {	uint8_t		type;	uint8_t		len;	uint8_t		val[0];} __attribute__ ((packed)) l2cap_conf_opt;#define L2CAP_CONF_OPT_SIZE 2#define L2CAP_CONF_MTU		0x01#define L2CAP_CONF_FLUSH_TO	0x02#define L2CAP_CONF_QOS		0x03#define L2CAP_CONF_RFC		0x04#define L2CAP_CONF_RFC_MODE	0x04#define L2CAP_CONF_MAX_SIZE	22#define L2CAP_MODE_BASIC	0x00#define L2CAP_MODE_RETRANS	0x01#define L2CAP_MODE_FLOWCTL	0x02typedef struct {	uint16_t	dcid;	uint16_t	scid;} __attribute__ ((packed)) l2cap_disconn_req;#define L2CAP_DISCONN_REQ_SIZE 4typedef struct {	uint16_t	dcid;	uint16_t	scid;} __attribute__ ((packed)) l2cap_disconn_rsp;#define L2CAP_DISCONN_RSP_SIZE 4typedef struct {	uint16_t	type;} __attribute__ ((packed)) l2cap_info_req;#define L2CAP_INFO_REQ_SIZE 2typedef struct {	uint16_t	type;	uint16_t	result;	uint8_t		data[0];} __attribute__ ((packed)) l2cap_info_rsp;#define L2CAP_INFO_RSP_SIZE 4/* info type */#define L2CAP_IT_CL_MTU		0x0001#define L2CAP_IT_FEAT_MASK	0x0002/* info result */#define L2CAP_IR_SUCCESS	0x0000#define L2CAP_IR_NOTSUPP	0x0001#ifdef __cplusplus}#endif#endif /* __L2CAP_H */