/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *
 *  BlueZ - Bluetooth protocol stack for Linux
 *
 *  Copyright (C) 2002-2003  Maxim Krasnyansky <maxk@qualcomm.com>
 *  Copyright (C) 2002-2010  Marcel Holtmann <marcel@holtmann.org>
 *
 *
 */

#ifndef __BNEP_H
#define __BNEP_H

#ifdef __cplusplus
extern "C" {
#endif

#include <bluetooth/bluetooth.h>

#ifndef ETH_ALEN
#define ETH_ALEN	6		/* from <net/ethernet.h> */
#endif

/* BNEP UUIDs */
#define BNEP_BASE_UUID 0x0000000000001000800000805F9B34FB
#define BNEP_UUID16    0x02
#define BNEP_UUID32    0x04
#define BNEP_UUID128   0x16

#define BNEP_SVC_PANU  0x1115
#define BNEP_SVC_NAP   0x1116
#define BNEP_SVC_GN    0x1117

/* BNEP packet types */
#define BNEP_GENERAL               0x00
#define BNEP_CONTROL               0x01
#define BNEP_COMPRESSED            0x02
#define BNEP_COMPRESSED_SRC_ONLY   0x03
#define BNEP_COMPRESSED_DST_ONLY   0x04

/* BNEP control types */
#define BNEP_CMD_NOT_UNDERSTOOD    0x00
#define BNEP_SETUP_CONN_REQ        0x01
#define BNEP_SETUP_CONN_RSP        0x02
#define BNEP_FILTER_NET_TYPE_SET   0x03
#define BNEP_FILTER_NET_TYPE_RSP   0x04
#define BNEP_FILTER_MULT_ADDR_SET  0x05
#define BNEP_FILTER_MULT_ADDR_RSP  0x06

/* BNEP response messages */
#define BNEP_SUCCESS               0x00

#define BNEP_CONN_INVALID_DST      0x01
#define BNEP_CONN_INVALID_SRC      0x02
#define BNEP_CONN_INVALID_SVC      0x03
#define BNEP_CONN_NOT_ALLOWED      0x04

#define BNEP_FILTER_UNSUPPORTED_REQ    0x01
#define BNEP_FILTER_INVALID_RANGE      0x02
#define BNEP_FILTER_INVALID_MCADDR     0x02
#define BNEP_FILTER_LIMIT_REACHED      0x03
#define BNEP_FILTER_DENIED_SECURITY    0x04

/* L2CAP settings */
#define BNEP_MTU         1691
#define BNEP_FLUSH_TO    0xffff
#define BNEP_CONNECT_TO  15
#define BNEP_FILTER_TO   15

#ifndef BNEP_PSM
#define BNEP_PSM	 0x0f
#endif

/* BNEP headers */
#define BNEP_TYPE_MASK	 0x7f
#define BNEP_EXT_HEADER	 0x80

struct bnep_setup_conn_req {
	uint8_t  type;
	uint8_t  ctrl;
	uint8_t  uuid_size;
	uint8_t  service[0];
} __attribute__((packed));

struct bnep_set_filter_req {
	uint8_t  type;
	uint8_t  ctrl;
	uint16_t len;
	uint8_t  list[0];
} __attribute__((packed));

struct bnep_ctrl_cmd_not_understood_cmd {
	uint8_t type;
	uint8_t ctrl;
	uint8_t unkn_ctrl;
} __attribute__((packed));

struct bnep_control_rsp {
	uint8_t  type;
	uint8_t  ctrl;
	uint16_t resp;
} __attribute__((packed));

struct bnep_ext_hdr {
	uint8_t  type;
	uint8_t  len;
	uint8_t  data[0];
} __attribute__((packed));

/* BNEP ioctl defines */
#define BNEPCONNADD	_IOW('B', 200, int)
#define BNEPCONNDEL	_IOW('B', 201, int)
#define BNEPGETCONNLIST	_IOR('B', 210, int)
#define BNEPGETCONNINFO	_IOR('B', 211, int)
#define BNEPGETSUPPFEAT	_IOR('B', 212, int)

#define BNEP_SETUP_RESPONSE	0

struct bnep_connadd_req {
	int      sock;		/* Connected socket */
	uint32_t flags;
	uint16_t role;
	char     device[16];	/* Name of the Ethernet device */
};

struct bnep_conndel_req {
	uint32_t flags;
	uint8_t  dst[ETH_ALEN];
};

struct bnep_conninfo {
	uint32_t flags;
	uint16_t role;
	uint16_t state;
	uint8_t  dst[ETH_ALEN];
	char     device[16];
};

struct bnep_connlist_req {
	uint32_t cnum;
	struct bnep_conninfo *ci;
};

#ifdef __cplusplus
}
#endif

#endif /* __BNEP_H */