path: root/include/net/bluetooth/hci_core.h

/*
   BlueZ - Bluetooth protocol stack for Linux
   Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.

   Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License version 2 as
   published by the Free Software Foundation;

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
   SOFTWARE IS DISCLAIMED.
*/

#ifndef __HCI_CORE_H
#define __HCI_CORE_H

#include <net/bluetooth/hci.h>

/* HCI priority */
#define HCI_PRIO_MAX	7

/* HCI Core structures */
struct inquiry_data {
	bdaddr_t	bdaddr;
	__u8		pscan_rep_mode;
	__u8		pscan_period_mode;
	__u8		pscan_mode;
	__u8		dev_class[3];
	__le16		clock_offset;
	__s8		rssi;
	__u8		ssp_mode;
};

struct inquiry_entry {
	struct list_head	all;		/* inq_cache.all */
	struct list_head	list;		/* unknown or resolve */
	enum {
		NAME_NOT_KNOWN,
		NAME_NEEDED,
		NAME_PENDING,
		NAME_KNOWN,
	} name_state;
	__u32			timestamp;
	struct inquiry_data	data;
};

struct discovery_state {
	int			type;
	enum {
		DISCOVERY_STOPPED,
		DISCOVERY_STARTING,
		DISCOVERY_FINDING,
		DISCOVERY_RESOLVING,
		DISCOVERY_STOPPING,
	} state;
	struct list_head	all;	/* All devices found during inquiry */
	struct list_head	unknown;	/* Name state not known */
	struct list_head	resolve;	/* Name needs to be resolved */
	__u32			timestamp;
};

struct hci_conn_hash {
	struct list_head list;
	unsigned int     acl_num;
	unsigned int     amp_num;
	unsigned int     sco_num;
	unsigned int     le_num;
};

struct bdaddr_list {
	struct list_head list;
	bdaddr_t bdaddr;
};

struct bt_uuid {
	struct list_head list;
	u8 uuid[16];
	u8 size;
	u8 svc_hint;
};

struct smp_ltk {
	struct list_head list;
	bdaddr_t bdaddr;
	u8 bdaddr_type;
	u8 authenticated;
	u8 type;
	u8 enc_size;
	__le16 ediv;
	u8 rand[8];
	u8 val[16];
} __packed;

struct link_key {
	struct list_head list;
	bdaddr_t bdaddr;
	u8 type;
	u8 val[HCI_LINK_KEY_SIZE];
	u8 pin_len;
};

struct oob_data {
	struct list_head list;
	bdaddr_t bdaddr;
	u8 hash[16];
	u8 randomizer[16];
};

struct le_scan_params {
	u8 type;
	u16 interval;
	u16 window;
	int timeout;
};

#define HCI_MAX_SHORT_NAME_LENGTH	10

struct amp_assoc {
	__u16	len;
	__u16	offset;
	__u16	rem_len;
	__u16	len_so_far;
	__u8	data[HCI_MAX_AMP_ASSOC_SIZE];
};

#define HCI_MAX_PAGES	3

#define NUM_REASSEMBLY 4
struct hci_dev {
	struct list_head list;
	struct mutex	lock;

	char		name[8];