/*
 *
 *  BlueZ - Bluetooth protocol stack for Linux
 *
 *  Copyright (C) 2009-2010  Marcel Holtmann <marcel@holtmann.org>
 *  Copyright (C) 2009-2010  Nokia Corporation
 *  Copyright (C) 2010  Intel Corporation
 *
 *
 *  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 BLUETOOTH_H
#define BLUETOOTH_H

#include <stdint.h>
#include <string.h>
#include <endian.h>
#include <byteswap.h>
#include <sys/socket.h>

#include <glib.h>

#define BTPROTO_L2CAP		0
#define BTPROTO_HCI		1
#define BTPROTO_RFCOMM		3

#define SOL_HCI		0
#define SOL_L2CAP	6
#define SOL_RFCOMM	18

#ifndef SOL_BLUETOOTH
#define SOL_BLUETOOTH	274
#endif

#define BT_SECURITY	4
struct bt_security {
	uint8_t level;
};
#define BT_SECURITY_SDP		0
#define BT_SECURITY_LOW		1
#define BT_SECURITY_MEDIUM	2
#define BT_SECURITY_HIGH	3

#define BT_DEFER_SETUP	7

/* Byte order conversions */
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define htobs(d)  (d)
#define htobl(d)  (d)
#define btohs(d)  (d)
#define btohl(d)  (d)
#elif __BYTE_ORDER == __BIG_ENDIAN
#define htobs(d)  bswap_16(d)
#define htobl(d)  bswap_32(d)
#define btohs(d)  bswap_16(d)
#define btohl(d)  bswap_32(d)
#else
#error "Unknown byte order"
#endif

/* BD Address */
typedef struct {
	uint8_t b[6];
} __attribute__((packed)) bdaddr_t;

/* Copy, swap, convert BD Address */
static inline int bacmp(const bdaddr_t *ba1, const bdaddr_t *ba2)
{
	return memcmp(ba1, ba2, sizeof(bdaddr_t));
}

static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src)
{
	memcpy(dst, src, sizeof(bdaddr_t));
}

/* RFCOMM socket address */
struct sockaddr_rc {
	sa_family_t	rc_family;
	bdaddr_t	rc_bdaddr;
	uint8_t		rc_channel;
};

/* RFCOMM socket options */
#define RFCOMM_CONNINFO	0x02
struct rfcomm_conninfo {
	uint16_t	hci_handle;
	uint8_t		dev_class[3];
};

#define RFCOMM_LM	0x03
#define RFCOMM_LM_MASTER	0x0001
#define RFCOMM_LM_AUTH		0x0002
#define RFCOMM_LM_ENCRYPT	0x0004
#define RFCOMM_LM_TRUSTED	0x0008
#define RFCOMM_LM_RELIABLE	0x0010
#define RFCOMM_LM_SECURE	0x0020

/* L2CAP socket address */
struct sockaddr_l2 {
	sa_family_t	l2_family;
	unsigned short	l2_psm;
	bdaddr_t	l2_bdaddr;
	unsigned short	l2_cid;
};

/* L2CAP socket options */
#define L2CAP_OPTIONS	0x01
struct l2cap_options {
	uint16_t	omtu;
	uint16_t	imtu;
	uint16_t	flush_to;
	uint8_t		mode;
	uint8_t		fcs;
};

#define L2CAP_CONNINFO	0x02
struct 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

#define L2CAP_MODE_BASIC	0x00
#define L2CAP_MODE_RETRANS	0x01
#define L2CAP_MODE_FLOWCTL	0x02
#define L2CAP_MODE_ERTM		0x03
#define L2CAP_MODE_STREAMING	0x04

/* hci.h */

/* HCI device flags */
enum {
	HCI_UP,
	HCI_INIT,
	HCI_RUNNING,

	HCI_PSCAN,
	HCI_ISCAN,
	HCI_AUTH,
	HCI_ENCRYPT,
	HCI_INQUIRY,

	HCI_RAW,
};

#define HCIGETDEVINFO	_IOR('H', 211, int)

/* Ioctl requests structures */
struct hci_dev_stats {
	uint32_t err_rx;
	uint32_t err_tx;
	uint32_t cmd_tx;
	uint32_t evt_rx;
	uint32_t acl_tx;
	uint32_t acl_rx;
	uint32_t sco_tx;
	uint32_t sco_rx;
	uint32_t byte_rx;
	uint32_t byte_tx;
};

struct hci_dev_info {
	uint16_t dev_id;
	char     name[8];

	bdaddr_t bdaddr;

	uint32_t flags;
	uint8_t  type;

	uint8_t  features[8];

	uint32_t pkt_type;
	uint32_t link_policy;
	uint32_t link_mode;

	uint16_t acl_mtu;
	uint16_t acl_pkts;
	uint16_t sco_mtu;
	uint16_t sco_pkts;

	struct   hci_dev_stats stat;
};

int devid2ba(int dev_id, bdaddr_t *bdaddr);
void baswap(bdaddr_t *dst, const bdaddr_t *src);
int ba2str(const bdaddr_t *ba, char *str);
int str2ba(const char *str, bdaddr_t *ba);

#endif