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 <linux/interrupt.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 inquiry_entry	*next;
	__u32			timestamp;
	struct inquiry_data	data;
};

struct inquiry_cache {
	__u32			timestamp;
	struct inquiry_entry	*list;
};

struct hci_conn_hash {
	struct list_head list;
	unsigned int     acl_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 svc_hint;
};

struct key_master_id {
	__le16 ediv;
	u8 rand[8];
} __packed;

struct link_key_data {
	bdaddr_t bdaddr;
	u8 type;
	u8 val[16];
	u8 pin_len;
	u8 dlen;
	u8 data[0];
} __packed;

struct link_key {
	struct list_head list;
	bdaddr_t bdaddr;
	u8 type;
	u8 val[16];
	u8 pin_len;
	u8 dlen;
	u8 data[0];
};

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

struct adv_entry {
	struct list_head list;
	bdaddr_t bdaddr;
	u8 bdaddr_type;
};

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

	char		name[8];
	unsigned long	flags;
	__u16		id;
	__u8		bus;
	__u8		dev_type;
	bdaddr_t	bdaddr;
	__u8		dev_name[HCI_MAX_NAME_LENGTH];
	__u8		eir[HCI_MAX_EIR_LENGTH];
	__u8		dev_class[3];
	__u8		major_class;
	__u8		minor_class;
	__u8		features[8];
	__u8		host_features[8];
	__u8		commands[64];
	__u8		ssp_mode;
	__u8		hci_ver;
	__u16		hci_rev;
	__u8		lmp_ver;
	__u16		manufacturer;
	__le16		lmp_subver;
	__u16		voice_setting;
	__u8		io_capability;

	__u16		pkt_type;
	__u16		esco_type;
	__u16		link_policy;
	__u16		link_mode;

	__u32		idle_timeout;
	__u16		sniff_min_interval;
	__u16		sniff_max_interval;

	__u8		amp_status;
	__u32		amp_total_bw;
	__u32		amp_max_bw;
	__u32		amp_min_latency;
	__u32		amp_max_pdu;
	__u8		amp_type;
	__u16		amp_pal_cap;
	__u16		amp_assoc_size;
	__u32		amp_max_flush_to;
	__u32		amp_be_flush_to;

	__u8		flow_ctl_mode;

	unsigned int	auto_accept_delay;

	unsigned long	quirks;

	atomic_t	cmd_cnt;
	unsigned int	acl_cnt;
	unsigned int	sco_cnt;
	unsigned int	le_cnt;

	unsigned int	acl_mtu;
	unsigned int	sco_mtu;
	unsigned int	le_mtu;
	unsigned int	acl_pkts;
	unsigned int	sco_pkts;
	unsigned int	le_pkts;

	__u16		block_len;
	__u16		block_mtu;
	__u16		num_blocks;
	__u16		block_cnt;

	unsigned long	acl_last_tx;
	unsigned long	sco_last_tx;
	unsigned long	le_last_tx;

	struct workqueue_struct	*workqueue;

	struct work_struct	power_on;
	struct delayed_work	power_off;

	__u16			discov_timeout;
	struct delayed_work	discov_off;

	struct delayed_work	service_cache;

	struct timer_list	cmd_timer;

	struct work_struct	rx_work;
	struct work_struct	cmd_work;
	struct work_struct	tx_work;

	struct sk_buff_head	rx_q;
	struct sk_buff_head	raw_q;
	struct sk_buff_head	cmd_q;

	struct sk_buff		*sent_cmd;
	struct sk_buff		*reassembly[NUM_REASSEMBLY];

	struct mutex		req_lock;
	wait_queue_head_t	req_wait_q